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dce_v10_0.c

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linux-6.19.14/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c C
   1/*
   2 * Copyright 2014 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#include <drm/drm_edid.h>
  25#include <drm/drm_fourcc.h>
  26#include <drm/drm_modeset_helper.h>
  27#include <drm/drm_modeset_helper_vtables.h>
  28#include <drm/drm_vblank.h>
  29
  30#include "amdgpu.h"
  31#include "amdgpu_pm.h"
  32#include "amdgpu_i2c.h"
  33#include "vid.h"
  34#include "atom.h"
  35#include "amdgpu_atombios.h"
  36#include "atombios_crtc.h"
  37#include "atombios_encoders.h"
  38#include "amdgpu_pll.h"
  39#include "amdgpu_connectors.h"
  40#include "amdgpu_display.h"
  41#include "dce_v10_0.h"
  42
  43#include "dce/dce_10_0_d.h"
  44#include "dce/dce_10_0_sh_mask.h"
  45#include "dce/dce_10_0_enum.h"
  46#include "oss/oss_3_0_d.h"
  47#include "oss/oss_3_0_sh_mask.h"
  48#include "gmc/gmc_8_1_d.h"
  49#include "gmc/gmc_8_1_sh_mask.h"
  50
  51#include "ivsrcid/ivsrcid_vislands30.h"
  52
  53static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev);
  54static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev);
  55static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
  56
  57static const u32 crtc_offsets[] = {
  58	CRTC0_REGISTER_OFFSET,
  59	CRTC1_REGISTER_OFFSET,
  60	CRTC2_REGISTER_OFFSET,
  61	CRTC3_REGISTER_OFFSET,
  62	CRTC4_REGISTER_OFFSET,
  63	CRTC5_REGISTER_OFFSET,
  64	CRTC6_REGISTER_OFFSET
  65};
  66
  67static const u32 hpd_offsets[] = {
  68	HPD0_REGISTER_OFFSET,
  69	HPD1_REGISTER_OFFSET,
  70	HPD2_REGISTER_OFFSET,
  71	HPD3_REGISTER_OFFSET,
  72	HPD4_REGISTER_OFFSET,
  73	HPD5_REGISTER_OFFSET
  74};
  75
  76static const uint32_t dig_offsets[] = {
  77	DIG0_REGISTER_OFFSET,
  78	DIG1_REGISTER_OFFSET,
  79	DIG2_REGISTER_OFFSET,
  80	DIG3_REGISTER_OFFSET,
  81	DIG4_REGISTER_OFFSET,
  82	DIG5_REGISTER_OFFSET,
  83	DIG6_REGISTER_OFFSET
  84};
  85
  86static const struct {
  87	uint32_t        reg;
  88	uint32_t        vblank;
  89	uint32_t        vline;
  90	uint32_t        hpd;
  91
  92} interrupt_status_offsets[] = { {
  93	.reg = mmDISP_INTERRUPT_STATUS,
  94	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  95	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  96	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  97}, {
  98	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  99	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
 100	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
 101	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
 102}, {
 103	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
 104	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
 105	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
 106	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
 107}, {
 108	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
 109	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
 110	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
 111	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
 112}, {
 113	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
 114	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
 115	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
 116	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
 117}, {
 118	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
 119	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
 120	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
 121	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
 122} };
 123
 124static const u32 golden_settings_tonga_a11[] = {
 125	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 126	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 127	mmFBC_MISC, 0x1f311fff, 0x12300000,
 128	mmHDMI_CONTROL, 0x31000111, 0x00000011,
 129};
 130
 131static const u32 tonga_mgcg_cgcg_init[] = {
 132	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 133	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 134};
 135
 136static const u32 golden_settings_fiji_a10[] = {
 137	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
 138	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
 139	mmFBC_MISC, 0x1f311fff, 0x12300000,
 140	mmHDMI_CONTROL, 0x31000111, 0x00000011,
 141};
 142
 143static const u32 fiji_mgcg_cgcg_init[] = {
 144	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
 145	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
 146};
 147
 148static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
 149{
 150	switch (adev->asic_type) {
 151	case CHIP_FIJI:
 152		amdgpu_device_program_register_sequence(adev,
 153							fiji_mgcg_cgcg_init,
 154							ARRAY_SIZE(fiji_mgcg_cgcg_init));
 155		amdgpu_device_program_register_sequence(adev,
 156							golden_settings_fiji_a10,
 157							ARRAY_SIZE(golden_settings_fiji_a10));
 158		break;
 159	case CHIP_TONGA:
 160		amdgpu_device_program_register_sequence(adev,
 161							tonga_mgcg_cgcg_init,
 162							ARRAY_SIZE(tonga_mgcg_cgcg_init));
 163		amdgpu_device_program_register_sequence(adev,
 164							golden_settings_tonga_a11,
 165							ARRAY_SIZE(golden_settings_tonga_a11));
 166		break;
 167	default:
 168		break;
 169	}
 170}
 171
 172static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
 173				     u32 block_offset, u32 reg)
 174{
 175	unsigned long flags;
 176	u32 r;
 177
 178	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 179	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 180	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
 181	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 182
 183	return r;
 184}
 185
 186static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 187				      u32 block_offset, u32 reg, u32 v)
 188{
 189	unsigned long flags;
 190
 191	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
 192	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
 193	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
 194	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
 195}
 196
 197static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
 198{
 199	if (crtc >= adev->mode_info.num_crtc)
 200		return 0;
 201	else
 202		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 203}
 204
 205static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
 206{
 207	unsigned i;
 208
 209	/* Enable pflip interrupts */
 210	for (i = 0; i < adev->mode_info.num_crtc; i++)
 211		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
 212}
 213
 214static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
 215{
 216	unsigned i;
 217
 218	/* Disable pflip interrupts */
 219	for (i = 0; i < adev->mode_info.num_crtc; i++)
 220		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
 221}
 222
 223/**
 224 * dce_v10_0_page_flip - pageflip callback.
 225 *
 226 * @adev: amdgpu_device pointer
 227 * @crtc_id: crtc to cleanup pageflip on
 228 * @crtc_base: new address of the crtc (GPU MC address)
 229 * @async: asynchronous flip
 230 *
 231 * Triggers the actual pageflip by updating the primary
 232 * surface base address.
 233 */
 234static void dce_v10_0_page_flip(struct amdgpu_device *adev,
 235				int crtc_id, u64 crtc_base, bool async)
 236{
 237	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
 238	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
 239	u32 tmp;
 240
 241	/* flip at hsync for async, default is vsync */
 242	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
 243	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
 244			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
 245	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 246	/* update pitch */
 247	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
 248	       fb->pitches[0] / fb->format->cpp[0]);
 249	/* update the primary scanout address */
 250	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
 251	       upper_32_bits(crtc_base));
 252	/* writing to the low address triggers the update */
 253	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
 254	       lower_32_bits(crtc_base));
 255	/* post the write */
 256	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
 257}
 258
 259static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 260					u32 *vbl, u32 *position)
 261{
 262	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
 263		return -EINVAL;
 264
 265	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
 266	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
 267
 268	return 0;
 269}
 270
 271/**
 272 * dce_v10_0_hpd_sense - hpd sense callback.
 273 *
 274 * @adev: amdgpu_device pointer
 275 * @hpd: hpd (hotplug detect) pin
 276 *
 277 * Checks if a digital monitor is connected (evergreen+).
 278 * Returns true if connected, false if not connected.
 279 */
 280static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
 281			       enum amdgpu_hpd_id hpd)
 282{
 283	bool connected = false;
 284
 285	if (hpd >= adev->mode_info.num_hpd)
 286		return connected;
 287
 288	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
 289	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
 290		connected = true;
 291
 292	return connected;
 293}
 294
 295/**
 296 * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
 297 *
 298 * @adev: amdgpu_device pointer
 299 * @hpd: hpd (hotplug detect) pin
 300 *
 301 * Set the polarity of the hpd pin (evergreen+).
 302 */
 303static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
 304				      enum amdgpu_hpd_id hpd)
 305{
 306	u32 tmp;
 307	bool connected = dce_v10_0_hpd_sense(adev, hpd);
 308
 309	if (hpd >= adev->mode_info.num_hpd)
 310		return;
 311
 312	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
 313	if (connected)
 314		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
 315	else
 316		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
 317	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
 318}
 319
 320/**
 321 * dce_v10_0_hpd_init - hpd setup callback.
 322 *
 323 * @adev: amdgpu_device pointer
 324 *
 325 * Setup the hpd pins used by the card (evergreen+).
 326 * Enable the pin, set the polarity, and enable the hpd interrupts.
 327 */
 328static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
 329{
 330	struct drm_device *dev = adev_to_drm(adev);
 331	struct drm_connector *connector;
 332	struct drm_connector_list_iter iter;
 333	u32 tmp;
 334
 335	drm_connector_list_iter_begin(dev, &iter);
 336	drm_for_each_connector_iter(connector, &iter) {
 337		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 338
 339		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 340			continue;
 341
 342		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 343		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 344			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 345			 * aux dp channel on imac and help (but not completely fix)
 346			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 347			 * also avoid interrupt storms during dpms.
 348			 */
 349			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 350			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
 351			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 352			continue;
 353		}
 354
 355		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 356		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
 357		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 358
 359		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 360		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 361				    DC_HPD_CONNECT_INT_DELAY,
 362				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
 363		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
 364				    DC_HPD_DISCONNECT_INT_DELAY,
 365				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
 366		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 367
 368		dce_v10_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
 369		dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
 370		amdgpu_irq_get(adev, &adev->hpd_irq,
 371			       amdgpu_connector->hpd.hpd);
 372	}
 373	drm_connector_list_iter_end(&iter);
 374}
 375
 376/**
 377 * dce_v10_0_hpd_fini - hpd tear down callback.
 378 *
 379 * @adev: amdgpu_device pointer
 380 *
 381 * Tear down the hpd pins used by the card (evergreen+).
 382 * Disable the hpd interrupts.
 383 */
 384static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
 385{
 386	struct drm_device *dev = adev_to_drm(adev);
 387	struct drm_connector *connector;
 388	struct drm_connector_list_iter iter;
 389	u32 tmp;
 390
 391	drm_connector_list_iter_begin(dev, &iter);
 392	drm_for_each_connector_iter(connector, &iter) {
 393		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 394
 395		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
 396			continue;
 397
 398		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
 399		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
 400		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
 401
 402		amdgpu_irq_put(adev, &adev->hpd_irq,
 403			       amdgpu_connector->hpd.hpd);
 404	}
 405	drm_connector_list_iter_end(&iter);
 406}
 407
 408static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
 409{
 410	return mmDC_GPIO_HPD_A;
 411}
 412
 413static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
 414{
 415	u32 crtc_hung = 0;
 416	u32 crtc_status[6];
 417	u32 i, j, tmp;
 418
 419	for (i = 0; i < adev->mode_info.num_crtc; i++) {
 420		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 421		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
 422			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 423			crtc_hung |= (1 << i);
 424		}
 425	}
 426
 427	for (j = 0; j < 10; j++) {
 428		for (i = 0; i < adev->mode_info.num_crtc; i++) {
 429			if (crtc_hung & (1 << i)) {
 430				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
 431				if (tmp != crtc_status[i])
 432					crtc_hung &= ~(1 << i);
 433			}
 434		}
 435		if (crtc_hung == 0)
 436			return false;
 437		udelay(100);
 438	}
 439
 440	return true;
 441}
 442
 443static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
 444					   bool render)
 445{
 446	u32 tmp;
 447
 448	/* Lockout access through VGA aperture*/
 449	tmp = RREG32(mmVGA_HDP_CONTROL);
 450	if (render)
 451		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
 452	else
 453		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 454	WREG32(mmVGA_HDP_CONTROL, tmp);
 455
 456	/* disable VGA render */
 457	tmp = RREG32(mmVGA_RENDER_CONTROL);
 458	if (render)
 459		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
 460	else
 461		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 462	WREG32(mmVGA_RENDER_CONTROL, tmp);
 463}
 464
 465static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev)
 466{
 467	int num_crtc = 0;
 468
 469	switch (adev->asic_type) {
 470	case CHIP_FIJI:
 471	case CHIP_TONGA:
 472		num_crtc = 6;
 473		break;
 474	default:
 475		num_crtc = 0;
 476	}
 477	return num_crtc;
 478}
 479
 480void dce_v10_0_disable_dce(struct amdgpu_device *adev)
 481{
 482	/*Disable VGA render and enabled crtc, if has DCE engine*/
 483	if (amdgpu_atombios_has_dce_engine_info(adev)) {
 484		u32 tmp;
 485		int crtc_enabled, i;
 486
 487		dce_v10_0_set_vga_render_state(adev, false);
 488
 489		/*Disable crtc*/
 490		for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) {
 491			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
 492									 CRTC_CONTROL, CRTC_MASTER_EN);
 493			if (crtc_enabled) {
 494				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
 495				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
 496				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
 497				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
 498				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
 499			}
 500		}
 501	}
 502}
 503
 504static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
 505{
 506	struct drm_device *dev = encoder->dev;
 507	struct amdgpu_device *adev = drm_to_adev(dev);
 508	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
 509	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
 510	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
 511	int bpc = 0;
 512	u32 tmp = 0;
 513	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
 514
 515	if (connector) {
 516		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 517		bpc = amdgpu_connector_get_monitor_bpc(connector);
 518		dither = amdgpu_connector->dither;
 519	}
 520
 521	/* LVDS/eDP FMT is set up by atom */
 522	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 523		return;
 524
 525	/* not needed for analog */
 526	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 527	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 528		return;
 529
 530	if (bpc == 0)
 531		return;
 532
 533	switch (bpc) {
 534	case 6:
 535		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 536			/* XXX sort out optimal dither settings */
 537			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 538			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 539			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 540			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
 541		} else {
 542			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 543			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
 544		}
 545		break;
 546	case 8:
 547		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 548			/* XXX sort out optimal dither settings */
 549			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 550			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 551			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 552			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 553			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
 554		} else {
 555			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 556			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
 557		}
 558		break;
 559	case 10:
 560		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
 561			/* XXX sort out optimal dither settings */
 562			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
 563			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
 564			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
 565			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
 566			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
 567		} else {
 568			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
 569			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
 570		}
 571		break;
 572	default:
 573		/* not needed */
 574		break;
 575	}
 576
 577	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
 578}
 579
 580
 581/* display watermark setup */
 582/**
 583 * dce_v10_0_line_buffer_adjust - Set up the line buffer
 584 *
 585 * @adev: amdgpu_device pointer
 586 * @amdgpu_crtc: the selected display controller
 587 * @mode: the current display mode on the selected display
 588 * controller
 589 *
 590 * Setup up the line buffer allocation for
 591 * the selected display controller (CIK).
 592 * Returns the line buffer size in pixels.
 593 */
 594static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
 595				       struct amdgpu_crtc *amdgpu_crtc,
 596				       struct drm_display_mode *mode)
 597{
 598	u32 tmp, buffer_alloc, i, mem_cfg;
 599	u32 pipe_offset = amdgpu_crtc->crtc_id;
 600	/*
 601	 * Line Buffer Setup
 602	 * There are 6 line buffers, one for each display controllers.
 603	 * There are 3 partitions per LB. Select the number of partitions
 604	 * to enable based on the display width.  For display widths larger
 605	 * than 4096, you need use to use 2 display controllers and combine
 606	 * them using the stereo blender.
 607	 */
 608	if (amdgpu_crtc->base.enabled && mode) {
 609		if (mode->crtc_hdisplay < 1920) {
 610			mem_cfg = 1;
 611			buffer_alloc = 2;
 612		} else if (mode->crtc_hdisplay < 2560) {
 613			mem_cfg = 2;
 614			buffer_alloc = 2;
 615		} else if (mode->crtc_hdisplay < 4096) {
 616			mem_cfg = 0;
 617			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 618		} else {
 619			DRM_DEBUG_KMS("Mode too big for LB!\n");
 620			mem_cfg = 0;
 621			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
 622		}
 623	} else {
 624		mem_cfg = 1;
 625		buffer_alloc = 0;
 626	}
 627
 628	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
 629	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
 630	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
 631
 632	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 633	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
 634	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
 635
 636	for (i = 0; i < adev->usec_timeout; i++) {
 637		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
 638		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
 639			break;
 640		udelay(1);
 641	}
 642
 643	if (amdgpu_crtc->base.enabled && mode) {
 644		switch (mem_cfg) {
 645		case 0:
 646		default:
 647			return 4096 * 2;
 648		case 1:
 649			return 1920 * 2;
 650		case 2:
 651			return 2560 * 2;
 652		}
 653	}
 654
 655	/* controller not enabled, so no lb used */
 656	return 0;
 657}
 658
 659/**
 660 * cik_get_number_of_dram_channels - get the number of dram channels
 661 *
 662 * @adev: amdgpu_device pointer
 663 *
 664 * Look up the number of video ram channels (CIK).
 665 * Used for display watermark bandwidth calculations
 666 * Returns the number of dram channels
 667 */
 668static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
 669{
 670	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
 671
 672	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 673	case 0:
 674	default:
 675		return 1;
 676	case 1:
 677		return 2;
 678	case 2:
 679		return 4;
 680	case 3:
 681		return 8;
 682	case 4:
 683		return 3;
 684	case 5:
 685		return 6;
 686	case 6:
 687		return 10;
 688	case 7:
 689		return 12;
 690	case 8:
 691		return 16;
 692	}
 693}
 694
 695struct dce10_wm_params {
 696	u32 dram_channels; /* number of dram channels */
 697	u32 yclk;          /* bandwidth per dram data pin in kHz */
 698	u32 sclk;          /* engine clock in kHz */
 699	u32 disp_clk;      /* display clock in kHz */
 700	u32 src_width;     /* viewport width */
 701	u32 active_time;   /* active display time in ns */
 702	u32 blank_time;    /* blank time in ns */
 703	bool interlaced;    /* mode is interlaced */
 704	fixed20_12 vsc;    /* vertical scale ratio */
 705	u32 num_heads;     /* number of active crtcs */
 706	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 707	u32 lb_size;       /* line buffer allocated to pipe */
 708	u32 vtaps;         /* vertical scaler taps */
 709};
 710
 711/**
 712 * dce_v10_0_dram_bandwidth - get the dram bandwidth
 713 *
 714 * @wm: watermark calculation data
 715 *
 716 * Calculate the raw dram bandwidth (CIK).
 717 * Used for display watermark bandwidth calculations
 718 * Returns the dram bandwidth in MBytes/s
 719 */
 720static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
 721{
 722	/* Calculate raw DRAM Bandwidth */
 723	fixed20_12 dram_efficiency; /* 0.7 */
 724	fixed20_12 yclk, dram_channels, bandwidth;
 725	fixed20_12 a;
 726
 727	a.full = dfixed_const(1000);
 728	yclk.full = dfixed_const(wm->yclk);
 729	yclk.full = dfixed_div(yclk, a);
 730	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 731	a.full = dfixed_const(10);
 732	dram_efficiency.full = dfixed_const(7);
 733	dram_efficiency.full = dfixed_div(dram_efficiency, a);
 734	bandwidth.full = dfixed_mul(dram_channels, yclk);
 735	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 736
 737	return dfixed_trunc(bandwidth);
 738}
 739
 740/**
 741 * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
 742 *
 743 * @wm: watermark calculation data
 744 *
 745 * Calculate the dram bandwidth used for display (CIK).
 746 * Used for display watermark bandwidth calculations
 747 * Returns the dram bandwidth for display in MBytes/s
 748 */
 749static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 750{
 751	/* Calculate DRAM Bandwidth and the part allocated to display. */
 752	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 753	fixed20_12 yclk, dram_channels, bandwidth;
 754	fixed20_12 a;
 755
 756	a.full = dfixed_const(1000);
 757	yclk.full = dfixed_const(wm->yclk);
 758	yclk.full = dfixed_div(yclk, a);
 759	dram_channels.full = dfixed_const(wm->dram_channels * 4);
 760	a.full = dfixed_const(10);
 761	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 762	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 763	bandwidth.full = dfixed_mul(dram_channels, yclk);
 764	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 765
 766	return dfixed_trunc(bandwidth);
 767}
 768
 769/**
 770 * dce_v10_0_data_return_bandwidth - get the data return bandwidth
 771 *
 772 * @wm: watermark calculation data
 773 *
 774 * Calculate the data return bandwidth used for display (CIK).
 775 * Used for display watermark bandwidth calculations
 776 * Returns the data return bandwidth in MBytes/s
 777 */
 778static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
 779{
 780	/* Calculate the display Data return Bandwidth */
 781	fixed20_12 return_efficiency; /* 0.8 */
 782	fixed20_12 sclk, bandwidth;
 783	fixed20_12 a;
 784
 785	a.full = dfixed_const(1000);
 786	sclk.full = dfixed_const(wm->sclk);
 787	sclk.full = dfixed_div(sclk, a);
 788	a.full = dfixed_const(10);
 789	return_efficiency.full = dfixed_const(8);
 790	return_efficiency.full = dfixed_div(return_efficiency, a);
 791	a.full = dfixed_const(32);
 792	bandwidth.full = dfixed_mul(a, sclk);
 793	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 794
 795	return dfixed_trunc(bandwidth);
 796}
 797
 798/**
 799 * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
 800 *
 801 * @wm: watermark calculation data
 802 *
 803 * Calculate the dmif bandwidth used for display (CIK).
 804 * Used for display watermark bandwidth calculations
 805 * Returns the dmif bandwidth in MBytes/s
 806 */
 807static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
 808{
 809	/* Calculate the DMIF Request Bandwidth */
 810	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 811	fixed20_12 disp_clk, bandwidth;
 812	fixed20_12 a, b;
 813
 814	a.full = dfixed_const(1000);
 815	disp_clk.full = dfixed_const(wm->disp_clk);
 816	disp_clk.full = dfixed_div(disp_clk, a);
 817	a.full = dfixed_const(32);
 818	b.full = dfixed_mul(a, disp_clk);
 819
 820	a.full = dfixed_const(10);
 821	disp_clk_request_efficiency.full = dfixed_const(8);
 822	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 823
 824	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
 825
 826	return dfixed_trunc(bandwidth);
 827}
 828
 829/**
 830 * dce_v10_0_available_bandwidth - get the min available bandwidth
 831 *
 832 * @wm: watermark calculation data
 833 *
 834 * Calculate the min available bandwidth used for display (CIK).
 835 * Used for display watermark bandwidth calculations
 836 * Returns the min available bandwidth in MBytes/s
 837 */
 838static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
 839{
 840	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 841	u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
 842	u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
 843	u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
 844
 845	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 846}
 847
 848/**
 849 * dce_v10_0_average_bandwidth - get the average available bandwidth
 850 *
 851 * @wm: watermark calculation data
 852 *
 853 * Calculate the average available bandwidth used for display (CIK).
 854 * Used for display watermark bandwidth calculations
 855 * Returns the average available bandwidth in MBytes/s
 856 */
 857static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
 858{
 859	/* Calculate the display mode Average Bandwidth
 860	 * DisplayMode should contain the source and destination dimensions,
 861	 * timing, etc.
 862	 */
 863	fixed20_12 bpp;
 864	fixed20_12 line_time;
 865	fixed20_12 src_width;
 866	fixed20_12 bandwidth;
 867	fixed20_12 a;
 868
 869	a.full = dfixed_const(1000);
 870	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 871	line_time.full = dfixed_div(line_time, a);
 872	bpp.full = dfixed_const(wm->bytes_per_pixel);
 873	src_width.full = dfixed_const(wm->src_width);
 874	bandwidth.full = dfixed_mul(src_width, bpp);
 875	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 876	bandwidth.full = dfixed_div(bandwidth, line_time);
 877
 878	return dfixed_trunc(bandwidth);
 879}
 880
 881/**
 882 * dce_v10_0_latency_watermark - get the latency watermark
 883 *
 884 * @wm: watermark calculation data
 885 *
 886 * Calculate the latency watermark (CIK).
 887 * Used for display watermark bandwidth calculations
 888 * Returns the latency watermark in ns
 889 */
 890static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
 891{
 892	/* First calculate the latency in ns */
 893	u32 mc_latency = 2000; /* 2000 ns. */
 894	u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
 895	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 896	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 897	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 898	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 899		(wm->num_heads * cursor_line_pair_return_time);
 900	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 901	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 902	u32 tmp, dmif_size = 12288;
 903	fixed20_12 a, b, c;
 904
 905	if (wm->num_heads == 0)
 906		return 0;
 907
 908	a.full = dfixed_const(2);
 909	b.full = dfixed_const(1);
 910	if ((wm->vsc.full > a.full) ||
 911	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 912	    (wm->vtaps >= 5) ||
 913	    ((wm->vsc.full >= a.full) && wm->interlaced))
 914		max_src_lines_per_dst_line = 4;
 915	else
 916		max_src_lines_per_dst_line = 2;
 917
 918	a.full = dfixed_const(available_bandwidth);
 919	b.full = dfixed_const(wm->num_heads);
 920	a.full = dfixed_div(a, b);
 921	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
 922	tmp = min(dfixed_trunc(a), tmp);
 923
 924	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
 925
 926	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 927	b.full = dfixed_const(1000);
 928	c.full = dfixed_const(lb_fill_bw);
 929	b.full = dfixed_div(c, b);
 930	a.full = dfixed_div(a, b);
 931	line_fill_time = dfixed_trunc(a);
 932
 933	if (line_fill_time < wm->active_time)
 934		return latency;
 935	else
 936		return latency + (line_fill_time - wm->active_time);
 937
 938}
 939
 940/**
 941 * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
 942 * average and available dram bandwidth
 943 *
 944 * @wm: watermark calculation data
 945 *
 946 * Check if the display average bandwidth fits in the display
 947 * dram bandwidth (CIK).
 948 * Used for display watermark bandwidth calculations
 949 * Returns true if the display fits, false if not.
 950 */
 951static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
 952{
 953	if (dce_v10_0_average_bandwidth(wm) <=
 954	    (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
 955		return true;
 956	else
 957		return false;
 958}
 959
 960/**
 961 * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
 962 * average and available bandwidth
 963 *
 964 * @wm: watermark calculation data
 965 *
 966 * Check if the display average bandwidth fits in the display
 967 * available bandwidth (CIK).
 968 * Used for display watermark bandwidth calculations
 969 * Returns true if the display fits, false if not.
 970 */
 971static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
 972{
 973	if (dce_v10_0_average_bandwidth(wm) <=
 974	    (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
 975		return true;
 976	else
 977		return false;
 978}
 979
 980/**
 981 * dce_v10_0_check_latency_hiding - check latency hiding
 982 *
 983 * @wm: watermark calculation data
 984 *
 985 * Check latency hiding (CIK).
 986 * Used for display watermark bandwidth calculations
 987 * Returns true if the display fits, false if not.
 988 */
 989static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
 990{
 991	u32 lb_partitions = wm->lb_size / wm->src_width;
 992	u32 line_time = wm->active_time + wm->blank_time;
 993	u32 latency_tolerant_lines;
 994	u32 latency_hiding;
 995	fixed20_12 a;
 996
 997	a.full = dfixed_const(1);
 998	if (wm->vsc.full > a.full)
 999		latency_tolerant_lines = 1;
1000	else {
1001		if (lb_partitions <= (wm->vtaps + 1))
1002			latency_tolerant_lines = 1;
1003		else
1004			latency_tolerant_lines = 2;
1005	}
1006
1007	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1008
1009	if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1010		return true;
1011	else
1012		return false;
1013}
1014
1015/**
1016 * dce_v10_0_program_watermarks - program display watermarks
1017 *
1018 * @adev: amdgpu_device pointer
1019 * @amdgpu_crtc: the selected display controller
1020 * @lb_size: line buffer size
1021 * @num_heads: number of display controllers in use
1022 *
1023 * Calculate and program the display watermarks for the
1024 * selected display controller (CIK).
1025 */
1026static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1027					struct amdgpu_crtc *amdgpu_crtc,
1028					u32 lb_size, u32 num_heads)
1029{
1030	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1031	struct dce10_wm_params wm_low, wm_high;
1032	u32 active_time;
1033	u32 line_time = 0;
1034	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1035	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1036
1037	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1038		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1039					    (u32)mode->clock);
1040		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1041					  (u32)mode->clock);
1042		line_time = min_t(u32, line_time, 65535);
1043
1044		/* watermark for high clocks */
1045		if (adev->pm.dpm_enabled) {
1046			wm_high.yclk =
1047				amdgpu_dpm_get_mclk(adev, false) * 10;
1048			wm_high.sclk =
1049				amdgpu_dpm_get_sclk(adev, false) * 10;
1050		} else {
1051			wm_high.yclk = adev->pm.current_mclk * 10;
1052			wm_high.sclk = adev->pm.current_sclk * 10;
1053		}
1054
1055		wm_high.disp_clk = mode->clock;
1056		wm_high.src_width = mode->crtc_hdisplay;
1057		wm_high.active_time = active_time;
1058		wm_high.blank_time = line_time - wm_high.active_time;
1059		wm_high.interlaced = false;
1060		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1061			wm_high.interlaced = true;
1062		wm_high.vsc = amdgpu_crtc->vsc;
1063		wm_high.vtaps = 1;
1064		if (amdgpu_crtc->rmx_type != RMX_OFF)
1065			wm_high.vtaps = 2;
1066		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1067		wm_high.lb_size = lb_size;
1068		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1069		wm_high.num_heads = num_heads;
1070
1071		/* set for high clocks */
1072		latency_watermark_a = min_t(u32, dce_v10_0_latency_watermark(&wm_high), 65535);
1073
1074		/* possibly force display priority to high */
1075		/* should really do this at mode validation time... */
1076		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1077		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1078		    !dce_v10_0_check_latency_hiding(&wm_high) ||
1079		    (adev->mode_info.disp_priority == 2)) {
1080			DRM_DEBUG_KMS("force priority to high\n");
1081		}
1082
1083		/* watermark for low clocks */
1084		if (adev->pm.dpm_enabled) {
1085			wm_low.yclk =
1086				amdgpu_dpm_get_mclk(adev, true) * 10;
1087			wm_low.sclk =
1088				amdgpu_dpm_get_sclk(adev, true) * 10;
1089		} else {
1090			wm_low.yclk = adev->pm.current_mclk * 10;
1091			wm_low.sclk = adev->pm.current_sclk * 10;
1092		}
1093
1094		wm_low.disp_clk = mode->clock;
1095		wm_low.src_width = mode->crtc_hdisplay;
1096		wm_low.active_time = active_time;
1097		wm_low.blank_time = line_time - wm_low.active_time;
1098		wm_low.interlaced = false;
1099		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1100			wm_low.interlaced = true;
1101		wm_low.vsc = amdgpu_crtc->vsc;
1102		wm_low.vtaps = 1;
1103		if (amdgpu_crtc->rmx_type != RMX_OFF)
1104			wm_low.vtaps = 2;
1105		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1106		wm_low.lb_size = lb_size;
1107		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1108		wm_low.num_heads = num_heads;
1109
1110		/* set for low clocks */
1111		latency_watermark_b = min_t(u32, dce_v10_0_latency_watermark(&wm_low), 65535);
1112
1113		/* possibly force display priority to high */
1114		/* should really do this at mode validation time... */
1115		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1116		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1117		    !dce_v10_0_check_latency_hiding(&wm_low) ||
1118		    (adev->mode_info.disp_priority == 2)) {
1119			DRM_DEBUG_KMS("force priority to high\n");
1120		}
1121		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1122	}
1123
1124	/* select wm A */
1125	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1126	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1127	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1128	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1129	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1130	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1131	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1132	/* select wm B */
1133	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1134	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1135	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1136	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1137	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1138	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1139	/* restore original selection */
1140	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1141
1142	/* save values for DPM */
1143	amdgpu_crtc->line_time = line_time;
1144
1145	/* Save number of lines the linebuffer leads before the scanout */
1146	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1147}
1148
1149/**
1150 * dce_v10_0_bandwidth_update - program display watermarks
1151 *
1152 * @adev: amdgpu_device pointer
1153 *
1154 * Calculate and program the display watermarks and line
1155 * buffer allocation (CIK).
1156 */
1157static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1158{
1159	struct drm_display_mode *mode = NULL;
1160	u32 num_heads = 0, lb_size;
1161	int i;
1162
1163	amdgpu_display_update_priority(adev);
1164
1165	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1166		if (adev->mode_info.crtcs[i]->base.enabled)
1167			num_heads++;
1168	}
1169	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1170		mode = &adev->mode_info.crtcs[i]->base.mode;
1171		lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1172		dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1173					    lb_size, num_heads);
1174	}
1175}
1176
1177static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1178{
1179	int i;
1180	u32 offset, tmp;
1181
1182	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1183		offset = adev->mode_info.audio.pin[i].offset;
1184		tmp = RREG32_AUDIO_ENDPT(offset,
1185					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1186		if (((tmp &
1187		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1188		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1189			adev->mode_info.audio.pin[i].connected = false;
1190		else
1191			adev->mode_info.audio.pin[i].connected = true;
1192	}
1193}
1194
1195static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1196{
1197	int i;
1198
1199	dce_v10_0_audio_get_connected_pins(adev);
1200
1201	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1202		if (adev->mode_info.audio.pin[i].connected)
1203			return &adev->mode_info.audio.pin[i];
1204	}
1205	DRM_ERROR("No connected audio pins found!\n");
1206	return NULL;
1207}
1208
1209static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1210{
1211	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1212	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1213	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1214	u32 tmp;
1215
1216	if (!dig || !dig->afmt || !dig->afmt->pin)
1217		return;
1218
1219	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1220	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1221	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1222}
1223
1224static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1225						struct drm_display_mode *mode)
1226{
1227	struct drm_device *dev = encoder->dev;
1228	struct amdgpu_device *adev = drm_to_adev(dev);
1229	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1230	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1231	struct drm_connector *connector;
1232	struct drm_connector_list_iter iter;
1233	struct amdgpu_connector *amdgpu_connector = NULL;
1234	u32 tmp;
1235	int interlace = 0;
1236
1237	if (!dig || !dig->afmt || !dig->afmt->pin)
1238		return;
1239
1240	drm_connector_list_iter_begin(dev, &iter);
1241	drm_for_each_connector_iter(connector, &iter) {
1242		if (connector->encoder == encoder) {
1243			amdgpu_connector = to_amdgpu_connector(connector);
1244			break;
1245		}
1246	}
1247	drm_connector_list_iter_end(&iter);
1248
1249	if (!amdgpu_connector) {
1250		DRM_ERROR("Couldn't find encoder's connector\n");
1251		return;
1252	}
1253
1254	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1255		interlace = 1;
1256	if (connector->latency_present[interlace]) {
1257		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1258				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1259		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1260				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1261	} else {
1262		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1263				    VIDEO_LIPSYNC, 0);
1264		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1265				    AUDIO_LIPSYNC, 0);
1266	}
1267	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1268			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1269}
1270
1271static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1272{
1273	struct drm_device *dev = encoder->dev;
1274	struct amdgpu_device *adev = drm_to_adev(dev);
1275	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1276	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1277	struct drm_connector *connector;
1278	struct drm_connector_list_iter iter;
1279	struct amdgpu_connector *amdgpu_connector = NULL;
1280	u32 tmp;
1281	u8 *sadb = NULL;
1282	int sad_count;
1283
1284	if (!dig || !dig->afmt || !dig->afmt->pin)
1285		return;
1286
1287	drm_connector_list_iter_begin(dev, &iter);
1288	drm_for_each_connector_iter(connector, &iter) {
1289		if (connector->encoder == encoder) {
1290			amdgpu_connector = to_amdgpu_connector(connector);
1291			break;
1292		}
1293	}
1294	drm_connector_list_iter_end(&iter);
1295
1296	if (!amdgpu_connector) {
1297		DRM_ERROR("Couldn't find encoder's connector\n");
1298		return;
1299	}
1300
1301	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1302	if (sad_count < 0) {
1303		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1304		sad_count = 0;
1305	}
1306
1307	/* program the speaker allocation */
1308	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1309				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1310	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1311			    DP_CONNECTION, 0);
1312	/* set HDMI mode */
1313	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1314			    HDMI_CONNECTION, 1);
1315	if (sad_count)
1316		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1317				    SPEAKER_ALLOCATION, sadb[0]);
1318	else
1319		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1320				    SPEAKER_ALLOCATION, 5); /* stereo */
1321	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1322			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1323
1324	kfree(sadb);
1325}
1326
1327static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1328{
1329	struct drm_device *dev = encoder->dev;
1330	struct amdgpu_device *adev = drm_to_adev(dev);
1331	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1332	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1333	struct drm_connector *connector;
1334	struct drm_connector_list_iter iter;
1335	struct amdgpu_connector *amdgpu_connector = NULL;
1336	struct cea_sad *sads;
1337	int i, sad_count;
1338
1339	static const u16 eld_reg_to_type[][2] = {
1340		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1341		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1342		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1343		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1344		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1345		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1346		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1347		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1348		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1349		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1350		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1351		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1352	};
1353
1354	if (!dig || !dig->afmt || !dig->afmt->pin)
1355		return;
1356
1357	drm_connector_list_iter_begin(dev, &iter);
1358	drm_for_each_connector_iter(connector, &iter) {
1359		if (connector->encoder == encoder) {
1360			amdgpu_connector = to_amdgpu_connector(connector);
1361			break;
1362		}
1363	}
1364	drm_connector_list_iter_end(&iter);
1365
1366	if (!amdgpu_connector) {
1367		DRM_ERROR("Couldn't find encoder's connector\n");
1368		return;
1369	}
1370
1371	sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1372	if (sad_count < 0)
1373		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1374	if (sad_count <= 0)
1375		return;
1376	BUG_ON(!sads);
1377
1378	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1379		u32 tmp = 0;
1380		u8 stereo_freqs = 0;
1381		int max_channels = -1;
1382		int j;
1383
1384		for (j = 0; j < sad_count; j++) {
1385			struct cea_sad *sad = &sads[j];
1386
1387			if (sad->format == eld_reg_to_type[i][1]) {
1388				if (sad->channels > max_channels) {
1389					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1390							    MAX_CHANNELS, sad->channels);
1391					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1392							    DESCRIPTOR_BYTE_2, sad->byte2);
1393					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1394							    SUPPORTED_FREQUENCIES, sad->freq);
1395					max_channels = sad->channels;
1396				}
1397
1398				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1399					stereo_freqs |= sad->freq;
1400				else
1401					break;
1402			}
1403		}
1404
1405		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1406				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1407		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1408	}
1409
1410	kfree(sads);
1411}
1412
1413static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1414				  struct amdgpu_audio_pin *pin,
1415				  bool enable)
1416{
1417	if (!pin)
1418		return;
1419
1420	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1421			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1422}
1423
1424static const u32 pin_offsets[] = {
1425	AUD0_REGISTER_OFFSET,
1426	AUD1_REGISTER_OFFSET,
1427	AUD2_REGISTER_OFFSET,
1428	AUD3_REGISTER_OFFSET,
1429	AUD4_REGISTER_OFFSET,
1430	AUD5_REGISTER_OFFSET,
1431	AUD6_REGISTER_OFFSET,
1432};
1433
1434static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1435{
1436	int i;
1437
1438	if (!amdgpu_audio)
1439		return 0;
1440
1441	adev->mode_info.audio.enabled = true;
1442
1443	adev->mode_info.audio.num_pins = 7;
1444
1445	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1446		adev->mode_info.audio.pin[i].channels = -1;
1447		adev->mode_info.audio.pin[i].rate = -1;
1448		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1449		adev->mode_info.audio.pin[i].status_bits = 0;
1450		adev->mode_info.audio.pin[i].category_code = 0;
1451		adev->mode_info.audio.pin[i].connected = false;
1452		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1453		adev->mode_info.audio.pin[i].id = i;
1454		/* disable audio.  it will be set up later */
1455		/* XXX remove once we switch to ip funcs */
1456		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1457	}
1458
1459	return 0;
1460}
1461
1462static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1463{
1464	if (!amdgpu_audio)
1465		return;
1466
1467	if (!adev->mode_info.audio.enabled)
1468		return;
1469
1470	adev->mode_info.audio.enabled = false;
1471}
1472
1473/*
1474 * update the N and CTS parameters for a given pixel clock rate
1475 */
1476static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1477{
1478	struct drm_device *dev = encoder->dev;
1479	struct amdgpu_device *adev = drm_to_adev(dev);
1480	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1481	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1482	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1483	u32 tmp;
1484
1485	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1486	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1487	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1488	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1489	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1490	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1491
1492	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1493	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1494	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1495	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1496	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1497	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1498
1499	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1500	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1501	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1502	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1503	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1504	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1505
1506}
1507
1508/*
1509 * build a HDMI Video Info Frame
1510 */
1511static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1512					       void *buffer, size_t size)
1513{
1514	struct drm_device *dev = encoder->dev;
1515	struct amdgpu_device *adev = drm_to_adev(dev);
1516	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1517	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1518	uint8_t *frame = buffer + 3;
1519	uint8_t *header = buffer;
1520
1521	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1522		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1523	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1524		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1525	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1526		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1527	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1528		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1529}
1530
1531static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1532{
1533	struct drm_device *dev = encoder->dev;
1534	struct amdgpu_device *adev = drm_to_adev(dev);
1535	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1536	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1537	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1538	u32 dto_phase = 24 * 1000;
1539	u32 dto_modulo = clock;
1540	u32 tmp;
1541
1542	if (!dig || !dig->afmt)
1543		return;
1544
1545	/* XXX two dtos; generally use dto0 for hdmi */
1546	/* Express [24MHz / target pixel clock] as an exact rational
1547	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1548	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1549	 */
1550	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1551	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1552			    amdgpu_crtc->crtc_id);
1553	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1554	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1555	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1556}
1557
1558/*
1559 * update the info frames with the data from the current display mode
1560 */
1561static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1562				  struct drm_display_mode *mode)
1563{
1564	struct drm_device *dev = encoder->dev;
1565	struct amdgpu_device *adev = drm_to_adev(dev);
1566	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1567	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1568	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1569	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1570	struct hdmi_avi_infoframe frame;
1571	ssize_t err;
1572	u32 tmp;
1573	int bpc = 8;
1574
1575	if (!dig || !dig->afmt)
1576		return;
1577
1578	/* Silent, r600_hdmi_enable will raise WARN for us */
1579	if (!dig->afmt->enabled)
1580		return;
1581
1582	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1583	if (encoder->crtc) {
1584		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1585		bpc = amdgpu_crtc->bpc;
1586	}
1587
1588	/* disable audio prior to setting up hw */
1589	dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1590	dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1591
1592	dce_v10_0_audio_set_dto(encoder, mode->clock);
1593
1594	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1595	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1596	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1597
1598	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1599
1600	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1601	switch (bpc) {
1602	case 0:
1603	case 6:
1604	case 8:
1605	case 16:
1606	default:
1607		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1608		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1609		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1610			  connector->name, bpc);
1611		break;
1612	case 10:
1613		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1614		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1615		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1616			  connector->name);
1617		break;
1618	case 12:
1619		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1620		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1621		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1622			  connector->name);
1623		break;
1624	}
1625	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1626
1627	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1628	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1629	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1630	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1631	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1632
1633	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1634	/* enable audio info frames (frames won't be set until audio is enabled) */
1635	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1636	/* required for audio info values to be updated */
1637	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1638	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1639
1640	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1641	/* required for audio info values to be updated */
1642	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1643	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1644
1645	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1646	/* anything other than 0 */
1647	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1648	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1649
1650	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1651
1652	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1653	/* set the default audio delay */
1654	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1655	/* should be suffient for all audio modes and small enough for all hblanks */
1656	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1657	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1658
1659	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1660	/* allow 60958 channel status fields to be updated */
1661	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1662	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1663
1664	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1665	if (bpc > 8)
1666		/* clear SW CTS value */
1667		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1668	else
1669		/* select SW CTS value */
1670		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1671	/* allow hw to sent ACR packets when required */
1672	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1673	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1674
1675	dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1676
1677	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1678	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1679	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1680
1681	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1682	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1683	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1684
1685	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1686	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1687	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1688	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1689	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1690	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1691	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1692	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1693
1694	dce_v10_0_audio_write_speaker_allocation(encoder);
1695
1696	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1697	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1698
1699	dce_v10_0_afmt_audio_select_pin(encoder);
1700	dce_v10_0_audio_write_sad_regs(encoder);
1701	dce_v10_0_audio_write_latency_fields(encoder, mode);
1702
1703	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1704	if (err < 0) {
1705		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1706		return;
1707	}
1708
1709	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1710	if (err < 0) {
1711		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1712		return;
1713	}
1714
1715	dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1716
1717	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1718	/* enable AVI info frames */
1719	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1720	/* required for audio info values to be updated */
1721	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1722	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1723
1724	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1725	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1726	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1727
1728	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1729	/* send audio packets */
1730	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1731	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1732
1733	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1734	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1735	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1736	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1737
1738	/* enable audio after to setting up hw */
1739	dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1740}
1741
1742static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1743{
1744	struct drm_device *dev = encoder->dev;
1745	struct amdgpu_device *adev = drm_to_adev(dev);
1746	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1747	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1748
1749	if (!dig || !dig->afmt)
1750		return;
1751
1752	/* Silent, r600_hdmi_enable will raise WARN for us */
1753	if (enable && dig->afmt->enabled)
1754		return;
1755	if (!enable && !dig->afmt->enabled)
1756		return;
1757
1758	if (!enable && dig->afmt->pin) {
1759		dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1760		dig->afmt->pin = NULL;
1761	}
1762
1763	dig->afmt->enabled = enable;
1764
1765	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1766		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1767}
1768
1769static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1770{
1771	int i;
1772
1773	for (i = 0; i < adev->mode_info.num_dig; i++)
1774		adev->mode_info.afmt[i] = NULL;
1775
1776	/* DCE10 has audio blocks tied to DIG encoders */
1777	for (i = 0; i < adev->mode_info.num_dig; i++) {
1778		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1779		if (adev->mode_info.afmt[i]) {
1780			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1781			adev->mode_info.afmt[i]->id = i;
1782		} else {
1783			int j;
1784			for (j = 0; j < i; j++) {
1785				kfree(adev->mode_info.afmt[j]);
1786				adev->mode_info.afmt[j] = NULL;
1787			}
1788			return -ENOMEM;
1789		}
1790	}
1791	return 0;
1792}
1793
1794static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
1795{
1796	int i;
1797
1798	for (i = 0; i < adev->mode_info.num_dig; i++) {
1799		kfree(adev->mode_info.afmt[i]);
1800		adev->mode_info.afmt[i] = NULL;
1801	}
1802}
1803
1804static const u32 vga_control_regs[6] = {
1805	mmD1VGA_CONTROL,
1806	mmD2VGA_CONTROL,
1807	mmD3VGA_CONTROL,
1808	mmD4VGA_CONTROL,
1809	mmD5VGA_CONTROL,
1810	mmD6VGA_CONTROL,
1811};
1812
1813static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
1814{
1815	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1816	struct drm_device *dev = crtc->dev;
1817	struct amdgpu_device *adev = drm_to_adev(dev);
1818	u32 vga_control;
1819
1820	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1821	if (enable)
1822		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1823	else
1824		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1825}
1826
1827static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
1828{
1829	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1830	struct drm_device *dev = crtc->dev;
1831	struct amdgpu_device *adev = drm_to_adev(dev);
1832
1833	if (enable)
1834		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1835	else
1836		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1837}
1838
1839static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
1840				     struct drm_framebuffer *fb,
1841				     int x, int y, int atomic)
1842{
1843	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1844	struct drm_device *dev = crtc->dev;
1845	struct amdgpu_device *adev = drm_to_adev(dev);
1846	struct drm_framebuffer *target_fb;
1847	struct drm_gem_object *obj;
1848	struct amdgpu_bo *abo;
1849	uint64_t fb_location, tiling_flags;
1850	uint32_t fb_format, fb_pitch_pixels;
1851	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1852	u32 pipe_config;
1853	u32 tmp, viewport_w, viewport_h;
1854	int r;
1855	bool bypass_lut = false;
1856
1857	/* no fb bound */
1858	if (!atomic && !crtc->primary->fb) {
1859		DRM_DEBUG_KMS("No FB bound\n");
1860		return 0;
1861	}
1862
1863	if (atomic)
1864		target_fb = fb;
1865	else
1866		target_fb = crtc->primary->fb;
1867
1868	/* If atomic, assume fb object is pinned & idle & fenced and
1869	 * just update base pointers
1870	 */
1871	obj = target_fb->obj[0];
1872	abo = gem_to_amdgpu_bo(obj);
1873	r = amdgpu_bo_reserve(abo, false);
1874	if (unlikely(r != 0))
1875		return r;
1876
1877	if (!atomic) {
1878		abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1879		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1880		if (unlikely(r != 0)) {
1881			amdgpu_bo_unreserve(abo);
1882			return -EINVAL;
1883		}
1884	}
1885	fb_location = amdgpu_bo_gpu_offset(abo);
1886
1887	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1888	amdgpu_bo_unreserve(abo);
1889
1890	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1891
1892	switch (target_fb->format->format) {
1893	case DRM_FORMAT_C8:
1894		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1895		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1896		break;
1897	case DRM_FORMAT_XRGB4444:
1898	case DRM_FORMAT_ARGB4444:
1899		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1900		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1901#ifdef __BIG_ENDIAN
1902		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1903					ENDIAN_8IN16);
1904#endif
1905		break;
1906	case DRM_FORMAT_XRGB1555:
1907	case DRM_FORMAT_ARGB1555:
1908		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1909		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1910#ifdef __BIG_ENDIAN
1911		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1912					ENDIAN_8IN16);
1913#endif
1914		break;
1915	case DRM_FORMAT_BGRX5551:
1916	case DRM_FORMAT_BGRA5551:
1917		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1918		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1919#ifdef __BIG_ENDIAN
1920		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1921					ENDIAN_8IN16);
1922#endif
1923		break;
1924	case DRM_FORMAT_RGB565:
1925		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1926		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1927#ifdef __BIG_ENDIAN
1928		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1929					ENDIAN_8IN16);
1930#endif
1931		break;
1932	case DRM_FORMAT_XRGB8888:
1933	case DRM_FORMAT_ARGB8888:
1934		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1935		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1936#ifdef __BIG_ENDIAN
1937		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1938					ENDIAN_8IN32);
1939#endif
1940		break;
1941	case DRM_FORMAT_XRGB2101010:
1942	case DRM_FORMAT_ARGB2101010:
1943		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1944		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1945#ifdef __BIG_ENDIAN
1946		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1947					ENDIAN_8IN32);
1948#endif
1949		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1950		bypass_lut = true;
1951		break;
1952	case DRM_FORMAT_BGRX1010102:
1953	case DRM_FORMAT_BGRA1010102:
1954		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1955		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1956#ifdef __BIG_ENDIAN
1957		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1958					ENDIAN_8IN32);
1959#endif
1960		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1961		bypass_lut = true;
1962		break;
1963	case DRM_FORMAT_XBGR8888:
1964	case DRM_FORMAT_ABGR8888:
1965		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1966		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1967		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
1968		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
1969#ifdef __BIG_ENDIAN
1970		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971					ENDIAN_8IN32);
1972#endif
1973		break;
1974	default:
1975		DRM_ERROR("Unsupported screen format %p4cc\n",
1976			  &target_fb->format->format);
1977		return -EINVAL;
1978	}
1979
1980	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1981		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1982
1983		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1984		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1985		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1986		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1987		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1988
1989		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1990		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
1991					  ARRAY_2D_TILED_THIN1);
1992		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
1993					  tile_split);
1994		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
1995		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
1996		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
1997					  mtaspect);
1998		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
1999					  ADDR_SURF_MICRO_TILING_DISPLAY);
2000	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2001		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2002					  ARRAY_1D_TILED_THIN1);
2003	}
2004
2005	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2006				  pipe_config);
2007
2008	dce_v10_0_vga_enable(crtc, false);
2009
2010	/* Make sure surface address is updated at vertical blank rather than
2011	 * horizontal blank
2012	 */
2013	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2014	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2015			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2016	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2017
2018	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2019	       upper_32_bits(fb_location));
2020	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2021	       upper_32_bits(fb_location));
2022	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2023	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2024	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2025	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2026	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2027	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2028
2029	/*
2030	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2031	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2032	 * retain the full precision throughout the pipeline.
2033	 */
2034	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2035	if (bypass_lut)
2036		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2037	else
2038		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2039	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2040
2041	if (bypass_lut)
2042		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2043
2044	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2045	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2046	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2047	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2048	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2049	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2050
2051	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2052	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2053
2054	dce_v10_0_grph_enable(crtc, true);
2055
2056	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2057	       target_fb->height);
2058
2059	x &= ~3;
2060	y &= ~1;
2061	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2062	       (x << 16) | y);
2063	viewport_w = crtc->mode.hdisplay;
2064	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2065	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2066	       (viewport_w << 16) | viewport_h);
2067
2068	/* set pageflip to happen anywhere in vblank interval */
2069	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2070
2071	if (!atomic && fb && fb != crtc->primary->fb) {
2072		abo = gem_to_amdgpu_bo(fb->obj[0]);
2073		r = amdgpu_bo_reserve(abo, true);
2074		if (unlikely(r != 0))
2075			return r;
2076		amdgpu_bo_unpin(abo);
2077		amdgpu_bo_unreserve(abo);
2078	}
2079
2080	/* Bytes per pixel may have changed */
2081	dce_v10_0_bandwidth_update(adev);
2082
2083	return 0;
2084}
2085
2086static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2087				     struct drm_display_mode *mode)
2088{
2089	struct drm_device *dev = crtc->dev;
2090	struct amdgpu_device *adev = drm_to_adev(dev);
2091	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2092	u32 tmp;
2093
2094	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2095	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2096		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2097	else
2098		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2099	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2100}
2101
2102static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2103{
2104	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2105	struct drm_device *dev = crtc->dev;
2106	struct amdgpu_device *adev = drm_to_adev(dev);
2107	u16 *r, *g, *b;
2108	int i;
2109	u32 tmp;
2110
2111	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2112
2113	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2114	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2115	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2116	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2117
2118	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2119	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2120	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2121
2122	tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2123	tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2124	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2125
2126	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2127	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2128	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2129	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2130
2131	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2132
2133	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2134	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2135	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2136
2137	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2138	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2139	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2140
2141	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2142	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2143
2144	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2145	r = crtc->gamma_store;
2146	g = r + crtc->gamma_size;
2147	b = g + crtc->gamma_size;
2148	for (i = 0; i < 256; i++) {
2149		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2150		       ((*r++ & 0xffc0) << 14) |
2151		       ((*g++ & 0xffc0) << 4) |
2152		       (*b++ >> 6));
2153	}
2154
2155	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2156	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2157	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2158	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2159	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2160
2161	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2162	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2163	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2164	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2165
2166	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2167	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2168	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2169	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2170
2171	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2172	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2173	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2174	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175
2176	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2177	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2178	/* XXX this only needs to be programmed once per crtc at startup,
2179	 * not sure where the best place for it is
2180	 */
2181	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2182	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2183	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2184}
2185
2186static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2187{
2188	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2189	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2190
2191	switch (amdgpu_encoder->encoder_id) {
2192	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2193		if (dig->linkb)
2194			return 1;
2195		else
2196			return 0;
2197	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2198		if (dig->linkb)
2199			return 3;
2200		else
2201			return 2;
2202	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2203		if (dig->linkb)
2204			return 5;
2205		else
2206			return 4;
2207	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2208		return 6;
2209	default:
2210		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2211		return 0;
2212	}
2213}
2214
2215/**
2216 * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2217 *
2218 * @crtc: drm crtc
2219 *
2220 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2221 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2222 * monitors a dedicated PPLL must be used.  If a particular board has
2223 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2224 * as there is no need to program the PLL itself.  If we are not able to
2225 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2226 * avoid messing up an existing monitor.
2227 *
2228 * Asic specific PLL information
2229 *
2230 * DCE 10.x
2231 * Tonga
2232 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2233 * CI
2234 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2235 *
2236 */
2237static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2238{
2239	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2240	struct drm_device *dev = crtc->dev;
2241	struct amdgpu_device *adev = drm_to_adev(dev);
2242	u32 pll_in_use;
2243	int pll;
2244
2245	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2246		if (adev->clock.dp_extclk)
2247			/* skip PPLL programming if using ext clock */
2248			return ATOM_PPLL_INVALID;
2249		else {
2250			/* use the same PPLL for all DP monitors */
2251			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2252			if (pll != ATOM_PPLL_INVALID)
2253				return pll;
2254		}
2255	} else {
2256		/* use the same PPLL for all monitors with the same clock */
2257		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2258		if (pll != ATOM_PPLL_INVALID)
2259			return pll;
2260	}
2261
2262	/* DCE10 has PPLL0, PPLL1, and PPLL2 */
2263	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2264	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2265		return ATOM_PPLL2;
2266	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2267		return ATOM_PPLL1;
2268	if (!(pll_in_use & (1 << ATOM_PPLL0)))
2269		return ATOM_PPLL0;
2270	DRM_ERROR("unable to allocate a PPLL\n");
2271	return ATOM_PPLL_INVALID;
2272}
2273
2274static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2275{
2276	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2277	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2278	uint32_t cur_lock;
2279
2280	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2281	if (lock)
2282		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2283	else
2284		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2285	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2286}
2287
2288static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2289{
2290	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2291	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2292	u32 tmp;
2293
2294	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2295	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2296	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2297}
2298
2299static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2300{
2301	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2302	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2303	u32 tmp;
2304
2305	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2306	       upper_32_bits(amdgpu_crtc->cursor_addr));
2307	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2308	       lower_32_bits(amdgpu_crtc->cursor_addr));
2309
2310	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2311	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2312	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2313	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2314}
2315
2316static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2317					int x, int y)
2318{
2319	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2320	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2321	int xorigin = 0, yorigin = 0;
2322
2323	amdgpu_crtc->cursor_x = x;
2324	amdgpu_crtc->cursor_y = y;
2325
2326	/* avivo cursor are offset into the total surface */
2327	x += crtc->x;
2328	y += crtc->y;
2329	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2330
2331	if (x < 0) {
2332		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2333		x = 0;
2334	}
2335	if (y < 0) {
2336		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2337		y = 0;
2338	}
2339
2340	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2341	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2342	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2343	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2344
2345	return 0;
2346}
2347
2348static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2349				      int x, int y)
2350{
2351	int ret;
2352
2353	dce_v10_0_lock_cursor(crtc, true);
2354	ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2355	dce_v10_0_lock_cursor(crtc, false);
2356
2357	return ret;
2358}
2359
2360static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2361				      struct drm_file *file_priv,
2362				      uint32_t handle,
2363				      uint32_t width,
2364				      uint32_t height,
2365				      int32_t hot_x,
2366				      int32_t hot_y)
2367{
2368	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2369	struct drm_gem_object *obj;
2370	struct amdgpu_bo *aobj;
2371	int ret;
2372
2373	if (!handle) {
2374		/* turn off cursor */
2375		dce_v10_0_hide_cursor(crtc);
2376		obj = NULL;
2377		goto unpin;
2378	}
2379
2380	if ((width > amdgpu_crtc->max_cursor_width) ||
2381	    (height > amdgpu_crtc->max_cursor_height)) {
2382		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2383		return -EINVAL;
2384	}
2385
2386	obj = drm_gem_object_lookup(file_priv, handle);
2387	if (!obj) {
2388		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2389		return -ENOENT;
2390	}
2391
2392	aobj = gem_to_amdgpu_bo(obj);
2393	ret = amdgpu_bo_reserve(aobj, false);
2394	if (ret != 0) {
2395		drm_gem_object_put(obj);
2396		return ret;
2397	}
2398
2399	aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2400	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2401	amdgpu_bo_unreserve(aobj);
2402	if (ret) {
2403		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2404		drm_gem_object_put(obj);
2405		return ret;
2406	}
2407	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2408
2409	dce_v10_0_lock_cursor(crtc, true);
2410
2411	if (width != amdgpu_crtc->cursor_width ||
2412	    height != amdgpu_crtc->cursor_height ||
2413	    hot_x != amdgpu_crtc->cursor_hot_x ||
2414	    hot_y != amdgpu_crtc->cursor_hot_y) {
2415		int x, y;
2416
2417		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2418		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2419
2420		dce_v10_0_cursor_move_locked(crtc, x, y);
2421
2422		amdgpu_crtc->cursor_width = width;
2423		amdgpu_crtc->cursor_height = height;
2424		amdgpu_crtc->cursor_hot_x = hot_x;
2425		amdgpu_crtc->cursor_hot_y = hot_y;
2426	}
2427
2428	dce_v10_0_show_cursor(crtc);
2429	dce_v10_0_lock_cursor(crtc, false);
2430
2431unpin:
2432	if (amdgpu_crtc->cursor_bo) {
2433		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2434		ret = amdgpu_bo_reserve(aobj, true);
2435		if (likely(ret == 0)) {
2436			amdgpu_bo_unpin(aobj);
2437			amdgpu_bo_unreserve(aobj);
2438		}
2439		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2440	}
2441
2442	amdgpu_crtc->cursor_bo = obj;
2443	return 0;
2444}
2445
2446static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2447{
2448	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2449
2450	if (amdgpu_crtc->cursor_bo) {
2451		dce_v10_0_lock_cursor(crtc, true);
2452
2453		dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2454					     amdgpu_crtc->cursor_y);
2455
2456		dce_v10_0_show_cursor(crtc);
2457
2458		dce_v10_0_lock_cursor(crtc, false);
2459	}
2460}
2461
2462static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2463				    u16 *blue, uint32_t size,
2464				    struct drm_modeset_acquire_ctx *ctx)
2465{
2466	dce_v10_0_crtc_load_lut(crtc);
2467
2468	return 0;
2469}
2470
2471static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2472{
2473	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2474
2475	drm_crtc_cleanup(crtc);
2476	kfree(amdgpu_crtc);
2477}
2478
2479static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2480	.cursor_set2 = dce_v10_0_crtc_cursor_set2,
2481	.cursor_move = dce_v10_0_crtc_cursor_move,
2482	.gamma_set = dce_v10_0_crtc_gamma_set,
2483	.set_config = amdgpu_display_crtc_set_config,
2484	.destroy = dce_v10_0_crtc_destroy,
2485	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2486	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2487	.enable_vblank = amdgpu_enable_vblank_kms,
2488	.disable_vblank = amdgpu_disable_vblank_kms,
2489	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2490};
2491
2492static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2493{
2494	struct drm_device *dev = crtc->dev;
2495	struct amdgpu_device *adev = drm_to_adev(dev);
2496	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2497	unsigned type;
2498
2499	switch (mode) {
2500	case DRM_MODE_DPMS_ON:
2501		amdgpu_crtc->enabled = true;
2502		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2503		dce_v10_0_vga_enable(crtc, true);
2504		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2505		dce_v10_0_vga_enable(crtc, false);
2506		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2507		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2508						amdgpu_crtc->crtc_id);
2509		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2510		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2511		drm_crtc_vblank_on(crtc);
2512		dce_v10_0_crtc_load_lut(crtc);
2513		break;
2514	case DRM_MODE_DPMS_STANDBY:
2515	case DRM_MODE_DPMS_SUSPEND:
2516	case DRM_MODE_DPMS_OFF:
2517		drm_crtc_vblank_off(crtc);
2518		if (amdgpu_crtc->enabled) {
2519			dce_v10_0_vga_enable(crtc, true);
2520			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2521			dce_v10_0_vga_enable(crtc, false);
2522		}
2523		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2524		amdgpu_crtc->enabled = false;
2525		break;
2526	}
2527	/* adjust pm to dpms */
2528	amdgpu_dpm_compute_clocks(adev);
2529}
2530
2531static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2532{
2533	/* disable crtc pair power gating before programming */
2534	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2535	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2536	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2537}
2538
2539static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2540{
2541	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2542	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2543}
2544
2545static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2546{
2547	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2548	struct drm_device *dev = crtc->dev;
2549	struct amdgpu_device *adev = drm_to_adev(dev);
2550	struct amdgpu_atom_ss ss;
2551	int i;
2552
2553	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2554	if (crtc->primary->fb) {
2555		int r;
2556		struct amdgpu_bo *abo;
2557
2558		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2559		r = amdgpu_bo_reserve(abo, true);
2560		if (unlikely(r))
2561			DRM_ERROR("failed to reserve abo before unpin\n");
2562		else {
2563			amdgpu_bo_unpin(abo);
2564			amdgpu_bo_unreserve(abo);
2565		}
2566	}
2567	/* disable the GRPH */
2568	dce_v10_0_grph_enable(crtc, false);
2569
2570	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2571
2572	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2573		if (adev->mode_info.crtcs[i] &&
2574		    adev->mode_info.crtcs[i]->enabled &&
2575		    i != amdgpu_crtc->crtc_id &&
2576		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2577			/* one other crtc is using this pll don't turn
2578			 * off the pll
2579			 */
2580			goto done;
2581		}
2582	}
2583
2584	switch (amdgpu_crtc->pll_id) {
2585	case ATOM_PPLL0:
2586	case ATOM_PPLL1:
2587	case ATOM_PPLL2:
2588		/* disable the ppll */
2589		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2590					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2591		break;
2592	default:
2593		break;
2594	}
2595done:
2596	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2597	amdgpu_crtc->adjusted_clock = 0;
2598	amdgpu_crtc->encoder = NULL;
2599	amdgpu_crtc->connector = NULL;
2600}
2601
2602static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2603				  struct drm_display_mode *mode,
2604				  struct drm_display_mode *adjusted_mode,
2605				  int x, int y, struct drm_framebuffer *old_fb)
2606{
2607	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2608
2609	if (!amdgpu_crtc->adjusted_clock)
2610		return -EINVAL;
2611
2612	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2613	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2614	dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2615	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2616	amdgpu_atombios_crtc_scaler_setup(crtc);
2617	dce_v10_0_cursor_reset(crtc);
2618	/* update the hw version fpr dpm */
2619	amdgpu_crtc->hw_mode = *adjusted_mode;
2620
2621	return 0;
2622}
2623
2624static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2625				     const struct drm_display_mode *mode,
2626				     struct drm_display_mode *adjusted_mode)
2627{
2628	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2629	struct drm_device *dev = crtc->dev;
2630	struct drm_encoder *encoder;
2631
2632	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2633	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2634		if (encoder->crtc == crtc) {
2635			amdgpu_crtc->encoder = encoder;
2636			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2637			break;
2638		}
2639	}
2640	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2641		amdgpu_crtc->encoder = NULL;
2642		amdgpu_crtc->connector = NULL;
2643		return false;
2644	}
2645	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2646		return false;
2647	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2648		return false;
2649	/* pick pll */
2650	amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2651	/* if we can't get a PPLL for a non-DP encoder, fail */
2652	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2653	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2654		return false;
2655
2656	return true;
2657}
2658
2659static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2660				  struct drm_framebuffer *old_fb)
2661{
2662	return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2663}
2664
2665static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2666					 struct drm_framebuffer *fb,
2667					 int x, int y, enum mode_set_atomic state)
2668{
2669	return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2670}
2671
2672static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2673	.dpms = dce_v10_0_crtc_dpms,
2674	.mode_fixup = dce_v10_0_crtc_mode_fixup,
2675	.mode_set = dce_v10_0_crtc_mode_set,
2676	.mode_set_base = dce_v10_0_crtc_set_base,
2677	.mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2678	.prepare = dce_v10_0_crtc_prepare,
2679	.commit = dce_v10_0_crtc_commit,
2680	.disable = dce_v10_0_crtc_disable,
2681	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2682};
2683
2684static void dce_v10_0_panic_flush(struct drm_plane *plane)
2685{
2686	struct drm_framebuffer *fb;
2687	struct amdgpu_crtc *amdgpu_crtc;
2688	struct amdgpu_device *adev;
2689	uint32_t fb_format;
2690
2691	if (!plane->fb)
2692		return;
2693
2694	fb = plane->fb;
2695	amdgpu_crtc = to_amdgpu_crtc(plane->crtc);
2696	adev = drm_to_adev(fb->dev);
2697
2698	/* Disable DC tiling */
2699	fb_format = RREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset);
2700	fb_format &= ~GRPH_CONTROL__GRPH_ARRAY_MODE_MASK;
2701	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2702
2703}
2704
2705static const struct drm_plane_helper_funcs dce_v10_0_drm_primary_plane_helper_funcs = {
2706	.get_scanout_buffer = amdgpu_display_get_scanout_buffer,
2707	.panic_flush = dce_v10_0_panic_flush,
2708};
2709
2710static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2711{
2712	struct amdgpu_crtc *amdgpu_crtc;
2713
2714	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2715			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2716	if (amdgpu_crtc == NULL)
2717		return -ENOMEM;
2718
2719	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2720
2721	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2722	amdgpu_crtc->crtc_id = index;
2723	adev->mode_info.crtcs[index] = amdgpu_crtc;
2724
2725	amdgpu_crtc->max_cursor_width = 128;
2726	amdgpu_crtc->max_cursor_height = 128;
2727	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2728	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2729
2730	switch (amdgpu_crtc->crtc_id) {
2731	case 0:
2732	default:
2733		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2734		break;
2735	case 1:
2736		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2737		break;
2738	case 2:
2739		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2740		break;
2741	case 3:
2742		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2743		break;
2744	case 4:
2745		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2746		break;
2747	case 5:
2748		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2749		break;
2750	}
2751
2752	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2753	amdgpu_crtc->adjusted_clock = 0;
2754	amdgpu_crtc->encoder = NULL;
2755	amdgpu_crtc->connector = NULL;
2756	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2757	drm_plane_helper_add(amdgpu_crtc->base.primary, &dce_v10_0_drm_primary_plane_helper_funcs);
2758
2759	return 0;
2760}
2761
2762static int dce_v10_0_early_init(struct amdgpu_ip_block *ip_block)
2763{
2764	struct amdgpu_device *adev = ip_block->adev;
2765
2766	adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2767	adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2768
2769	dce_v10_0_set_display_funcs(adev);
2770
2771	adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2772
2773	switch (adev->asic_type) {
2774	case CHIP_FIJI:
2775	case CHIP_TONGA:
2776		adev->mode_info.num_hpd = 6;
2777		adev->mode_info.num_dig = 7;
2778		break;
2779	default:
2780		/* FIXME: not supported yet */
2781		return -EINVAL;
2782	}
2783
2784	dce_v10_0_set_irq_funcs(adev);
2785
2786	return 0;
2787}
2788
2789static int dce_v10_0_sw_init(struct amdgpu_ip_block *ip_block)
2790{
2791	int r, i;
2792	struct amdgpu_device *adev = ip_block->adev;
2793
2794	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2795		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2796		if (r)
2797			return r;
2798	}
2799
2800	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2801		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2802		if (r)
2803			return r;
2804	}
2805
2806	/* HPD hotplug */
2807	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2808	if (r)
2809		return r;
2810
2811	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2812
2813	adev_to_drm(adev)->mode_config.async_page_flip = true;
2814
2815	adev_to_drm(adev)->mode_config.max_width = 16384;
2816	adev_to_drm(adev)->mode_config.max_height = 16384;
2817
2818	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2819	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2820
2821	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2822
2823	r = amdgpu_display_modeset_create_props(adev);
2824	if (r)
2825		return r;
2826
2827	adev_to_drm(adev)->mode_config.max_width = 16384;
2828	adev_to_drm(adev)->mode_config.max_height = 16384;
2829
2830	/* allocate crtcs */
2831	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2832		r = dce_v10_0_crtc_init(adev, i);
2833		if (r)
2834			return r;
2835	}
2836
2837	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2838		amdgpu_display_print_display_setup(adev_to_drm(adev));
2839	else
2840		return -EINVAL;
2841
2842	/* setup afmt */
2843	r = dce_v10_0_afmt_init(adev);
2844	if (r)
2845		return r;
2846
2847	r = dce_v10_0_audio_init(adev);
2848	if (r)
2849		return r;
2850
2851	/* Disable vblank IRQs aggressively for power-saving */
2852	/* XXX: can this be enabled for DC? */
2853	adev_to_drm(adev)->vblank_disable_immediate = true;
2854
2855	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2856	if (r)
2857		return r;
2858
2859	INIT_DELAYED_WORK(&adev->hotplug_work,
2860		  amdgpu_display_hotplug_work_func);
2861
2862	drm_kms_helper_poll_init(adev_to_drm(adev));
2863
2864	adev->mode_info.mode_config_initialized = true;
2865	return 0;
2866}
2867
2868static int dce_v10_0_sw_fini(struct amdgpu_ip_block *ip_block)
2869{
2870	struct amdgpu_device *adev = ip_block->adev;
2871
2872	drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2873
2874	drm_kms_helper_poll_fini(adev_to_drm(adev));
2875
2876	dce_v10_0_audio_fini(adev);
2877
2878	dce_v10_0_afmt_fini(adev);
2879
2880	drm_mode_config_cleanup(adev_to_drm(adev));
2881	adev->mode_info.mode_config_initialized = false;
2882
2883	return 0;
2884}
2885
2886static int dce_v10_0_hw_init(struct amdgpu_ip_block *ip_block)
2887{
2888	int i;
2889	struct amdgpu_device *adev = ip_block->adev;
2890
2891	dce_v10_0_init_golden_registers(adev);
2892
2893	/* disable vga render */
2894	dce_v10_0_set_vga_render_state(adev, false);
2895	/* init dig PHYs, disp eng pll */
2896	amdgpu_atombios_encoder_init_dig(adev);
2897	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2898
2899	/* initialize hpd */
2900	dce_v10_0_hpd_init(adev);
2901
2902	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2903		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2904	}
2905
2906	dce_v10_0_pageflip_interrupt_init(adev);
2907
2908	return 0;
2909}
2910
2911static int dce_v10_0_hw_fini(struct amdgpu_ip_block *ip_block)
2912{
2913	int i;
2914	struct amdgpu_device *adev = ip_block->adev;
2915
2916	dce_v10_0_hpd_fini(adev);
2917
2918	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2919		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2920	}
2921
2922	dce_v10_0_pageflip_interrupt_fini(adev);
2923
2924	flush_delayed_work(&adev->hotplug_work);
2925
2926	return 0;
2927}
2928
2929static int dce_v10_0_suspend(struct amdgpu_ip_block *ip_block)
2930{
2931	struct amdgpu_device *adev = ip_block->adev;
2932	int r;
2933
2934	r = amdgpu_display_suspend_helper(adev);
2935	if (r)
2936		return r;
2937
2938	adev->mode_info.bl_level =
2939		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2940
2941	return dce_v10_0_hw_fini(ip_block);
2942}
2943
2944static int dce_v10_0_resume(struct amdgpu_ip_block *ip_block)
2945{
2946	struct amdgpu_device *adev = ip_block->adev;
2947	int ret;
2948
2949	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2950							   adev->mode_info.bl_level);
2951
2952	ret = dce_v10_0_hw_init(ip_block);
2953
2954	/* turn on the BL */
2955	if (adev->mode_info.bl_encoder) {
2956		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2957								  adev->mode_info.bl_encoder);
2958		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2959						    bl_level);
2960	}
2961	if (ret)
2962		return ret;
2963
2964	return amdgpu_display_resume_helper(adev);
2965}
2966
2967static bool dce_v10_0_is_idle(struct amdgpu_ip_block *ip_block)
2968{
2969	return true;
2970}
2971
2972static bool dce_v10_0_check_soft_reset(struct amdgpu_ip_block *ip_block)
2973{
2974	struct amdgpu_device *adev = ip_block->adev;
2975
2976	return dce_v10_0_is_display_hung(adev);
2977}
2978
2979static int dce_v10_0_soft_reset(struct amdgpu_ip_block *ip_block)
2980{
2981	u32 srbm_soft_reset = 0, tmp;
2982	struct amdgpu_device *adev = ip_block->adev;
2983
2984	if (dce_v10_0_is_display_hung(adev))
2985		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2986
2987	if (srbm_soft_reset) {
2988		tmp = RREG32(mmSRBM_SOFT_RESET);
2989		tmp |= srbm_soft_reset;
2990		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2991		WREG32(mmSRBM_SOFT_RESET, tmp);
2992		tmp = RREG32(mmSRBM_SOFT_RESET);
2993
2994		udelay(50);
2995
2996		tmp &= ~srbm_soft_reset;
2997		WREG32(mmSRBM_SOFT_RESET, tmp);
2998		tmp = RREG32(mmSRBM_SOFT_RESET);
2999
3000		/* Wait a little for things to settle down */
3001		udelay(50);
3002	}
3003	return 0;
3004}
3005
3006static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3007						     int crtc,
3008						     enum amdgpu_interrupt_state state)
3009{
3010	u32 lb_interrupt_mask;
3011
3012	if (crtc >= adev->mode_info.num_crtc) {
3013		DRM_DEBUG("invalid crtc %d\n", crtc);
3014		return;
3015	}
3016
3017	switch (state) {
3018	case AMDGPU_IRQ_STATE_DISABLE:
3019		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3020		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3021						  VBLANK_INTERRUPT_MASK, 0);
3022		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3023		break;
3024	case AMDGPU_IRQ_STATE_ENABLE:
3025		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3026		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3027						  VBLANK_INTERRUPT_MASK, 1);
3028		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3029		break;
3030	default:
3031		break;
3032	}
3033}
3034
3035static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3036						    int crtc,
3037						    enum amdgpu_interrupt_state state)
3038{
3039	u32 lb_interrupt_mask;
3040
3041	if (crtc >= adev->mode_info.num_crtc) {
3042		DRM_DEBUG("invalid crtc %d\n", crtc);
3043		return;
3044	}
3045
3046	switch (state) {
3047	case AMDGPU_IRQ_STATE_DISABLE:
3048		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3049		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3050						  VLINE_INTERRUPT_MASK, 0);
3051		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3052		break;
3053	case AMDGPU_IRQ_STATE_ENABLE:
3054		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3055		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3056						  VLINE_INTERRUPT_MASK, 1);
3057		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3058		break;
3059	default:
3060		break;
3061	}
3062}
3063
3064static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3065				       struct amdgpu_irq_src *source,
3066				       unsigned hpd,
3067				       enum amdgpu_interrupt_state state)
3068{
3069	u32 tmp;
3070
3071	if (hpd >= adev->mode_info.num_hpd) {
3072		DRM_DEBUG("invalid hpd %d\n", hpd);
3073		return 0;
3074	}
3075
3076	switch (state) {
3077	case AMDGPU_IRQ_STATE_DISABLE:
3078		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3079		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3080		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3081		break;
3082	case AMDGPU_IRQ_STATE_ENABLE:
3083		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3084		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3085		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3086		break;
3087	default:
3088		break;
3089	}
3090
3091	return 0;
3092}
3093
3094static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3095					struct amdgpu_irq_src *source,
3096					unsigned type,
3097					enum amdgpu_interrupt_state state)
3098{
3099	switch (type) {
3100	case AMDGPU_CRTC_IRQ_VBLANK1:
3101		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3102		break;
3103	case AMDGPU_CRTC_IRQ_VBLANK2:
3104		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3105		break;
3106	case AMDGPU_CRTC_IRQ_VBLANK3:
3107		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3108		break;
3109	case AMDGPU_CRTC_IRQ_VBLANK4:
3110		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3111		break;
3112	case AMDGPU_CRTC_IRQ_VBLANK5:
3113		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3114		break;
3115	case AMDGPU_CRTC_IRQ_VBLANK6:
3116		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3117		break;
3118	case AMDGPU_CRTC_IRQ_VLINE1:
3119		dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3120		break;
3121	case AMDGPU_CRTC_IRQ_VLINE2:
3122		dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3123		break;
3124	case AMDGPU_CRTC_IRQ_VLINE3:
3125		dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3126		break;
3127	case AMDGPU_CRTC_IRQ_VLINE4:
3128		dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3129		break;
3130	case AMDGPU_CRTC_IRQ_VLINE5:
3131		dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3132		break;
3133	case AMDGPU_CRTC_IRQ_VLINE6:
3134		dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3135		break;
3136	default:
3137		break;
3138	}
3139	return 0;
3140}
3141
3142static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3143					    struct amdgpu_irq_src *src,
3144					    unsigned type,
3145					    enum amdgpu_interrupt_state state)
3146{
3147	u32 reg;
3148
3149	if (type >= adev->mode_info.num_crtc) {
3150		DRM_ERROR("invalid pageflip crtc %d\n", type);
3151		return -EINVAL;
3152	}
3153
3154	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3155	if (state == AMDGPU_IRQ_STATE_DISABLE)
3156		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3157		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3158	else
3159		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3160		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3161
3162	return 0;
3163}
3164
3165static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3166				  struct amdgpu_irq_src *source,
3167				  struct amdgpu_iv_entry *entry)
3168{
3169	unsigned long flags;
3170	unsigned crtc_id;
3171	struct amdgpu_crtc *amdgpu_crtc;
3172	struct amdgpu_flip_work *works;
3173
3174	crtc_id = (entry->src_id - 8) >> 1;
3175	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3176
3177	if (crtc_id >= adev->mode_info.num_crtc) {
3178		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3179		return -EINVAL;
3180	}
3181
3182	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3183	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3184		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3185		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3186
3187	/* IRQ could occur when in initial stage */
3188	if (amdgpu_crtc == NULL)
3189		return 0;
3190
3191	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3192	works = amdgpu_crtc->pflip_works;
3193	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3194		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3195						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3196						 amdgpu_crtc->pflip_status,
3197						 AMDGPU_FLIP_SUBMITTED);
3198		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3199		return 0;
3200	}
3201
3202	/* page flip completed. clean up */
3203	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3204	amdgpu_crtc->pflip_works = NULL;
3205
3206	/* wakeup usersapce */
3207	if (works->event)
3208		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3209
3210	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3211
3212	drm_crtc_vblank_put(&amdgpu_crtc->base);
3213	schedule_work(&works->unpin_work);
3214
3215	return 0;
3216}
3217
3218static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3219				  int hpd)
3220{
3221	u32 tmp;
3222
3223	if (hpd >= adev->mode_info.num_hpd) {
3224		DRM_DEBUG("invalid hpd %d\n", hpd);
3225		return;
3226	}
3227
3228	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3229	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3230	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3231}
3232
3233static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3234					  int crtc)
3235{
3236	u32 tmp;
3237
3238	if (crtc >= adev->mode_info.num_crtc) {
3239		DRM_DEBUG("invalid crtc %d\n", crtc);
3240		return;
3241	}
3242
3243	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3244	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3245	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3246}
3247
3248static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3249					 int crtc)
3250{
3251	u32 tmp;
3252
3253	if (crtc >= adev->mode_info.num_crtc) {
3254		DRM_DEBUG("invalid crtc %d\n", crtc);
3255		return;
3256	}
3257
3258	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3259	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3260	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3261}
3262
3263static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3264			      struct amdgpu_irq_src *source,
3265			      struct amdgpu_iv_entry *entry)
3266{
3267	unsigned crtc = entry->src_id - 1;
3268	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3269	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3270
3271	switch (entry->src_data[0]) {
3272	case 0: /* vblank */
3273		if (disp_int & interrupt_status_offsets[crtc].vblank)
3274			dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3275		else
3276			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3277
3278		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3279			drm_handle_vblank(adev_to_drm(adev), crtc);
3280		}
3281		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3282
3283		break;
3284	case 1: /* vline */
3285		if (disp_int & interrupt_status_offsets[crtc].vline)
3286			dce_v10_0_crtc_vline_int_ack(adev, crtc);
3287		else
3288			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3289
3290		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3291
3292		break;
3293	default:
3294		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3295		break;
3296	}
3297
3298	return 0;
3299}
3300
3301static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3302			     struct amdgpu_irq_src *source,
3303			     struct amdgpu_iv_entry *entry)
3304{
3305	uint32_t disp_int, mask;
3306	unsigned hpd;
3307
3308	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3309		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3310		return 0;
3311	}
3312
3313	hpd = entry->src_data[0];
3314	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3315	mask = interrupt_status_offsets[hpd].hpd;
3316
3317	if (disp_int & mask) {
3318		dce_v10_0_hpd_int_ack(adev, hpd);
3319		schedule_delayed_work(&adev->hotplug_work, 0);
3320		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3321	}
3322
3323	return 0;
3324}
3325
3326static int dce_v10_0_set_clockgating_state(struct amdgpu_ip_block *ip_block,
3327					  enum amd_clockgating_state state)
3328{
3329	return 0;
3330}
3331
3332static int dce_v10_0_set_powergating_state(struct amdgpu_ip_block *ip_block,
3333					  enum amd_powergating_state state)
3334{
3335	return 0;
3336}
3337
3338static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3339	.name = "dce_v10_0",
3340	.early_init = dce_v10_0_early_init,
3341	.sw_init = dce_v10_0_sw_init,
3342	.sw_fini = dce_v10_0_sw_fini,
3343	.hw_init = dce_v10_0_hw_init,
3344	.hw_fini = dce_v10_0_hw_fini,
3345	.suspend = dce_v10_0_suspend,
3346	.resume = dce_v10_0_resume,
3347	.is_idle = dce_v10_0_is_idle,
3348	.check_soft_reset = dce_v10_0_check_soft_reset,
3349	.soft_reset = dce_v10_0_soft_reset,
3350	.set_clockgating_state = dce_v10_0_set_clockgating_state,
3351	.set_powergating_state = dce_v10_0_set_powergating_state,
3352};
3353
3354static void
3355dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3356			  struct drm_display_mode *mode,
3357			  struct drm_display_mode *adjusted_mode)
3358{
3359	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3360
3361	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3362
3363	/* need to call this here rather than in prepare() since we need some crtc info */
3364	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3365
3366	/* set scaler clears this on some chips */
3367	dce_v10_0_set_interleave(encoder->crtc, mode);
3368
3369	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3370		dce_v10_0_afmt_enable(encoder, true);
3371		dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3372	}
3373}
3374
3375static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3376{
3377	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3378	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3379	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3380
3381	if ((amdgpu_encoder->active_device &
3382	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3383	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3384	     ENCODER_OBJECT_ID_NONE)) {
3385		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3386		if (dig) {
3387			dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3388			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3389				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3390		}
3391	}
3392
3393	amdgpu_atombios_scratch_regs_lock(adev, true);
3394
3395	if (connector) {
3396		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3397
3398		/* select the clock/data port if it uses a router */
3399		if (amdgpu_connector->router.cd_valid)
3400			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3401
3402		/* turn eDP panel on for mode set */
3403		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3404			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3405							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3406	}
3407
3408	/* this is needed for the pll/ss setup to work correctly in some cases */
3409	amdgpu_atombios_encoder_set_crtc_source(encoder);
3410	/* set up the FMT blocks */
3411	dce_v10_0_program_fmt(encoder);
3412}
3413
3414static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3415{
3416	struct drm_device *dev = encoder->dev;
3417	struct amdgpu_device *adev = drm_to_adev(dev);
3418
3419	/* need to call this here as we need the crtc set up */
3420	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3421	amdgpu_atombios_scratch_regs_lock(adev, false);
3422}
3423
3424static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3425{
3426	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3427	struct amdgpu_encoder_atom_dig *dig;
3428
3429	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3430
3431	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3432		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3433			dce_v10_0_afmt_enable(encoder, false);
3434		dig = amdgpu_encoder->enc_priv;
3435		dig->dig_encoder = -1;
3436	}
3437	amdgpu_encoder->active_device = 0;
3438}
3439
3440/* these are handled by the primary encoders */
3441static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3442{
3443
3444}
3445
3446static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3447{
3448
3449}
3450
3451static void
3452dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3453		      struct drm_display_mode *mode,
3454		      struct drm_display_mode *adjusted_mode)
3455{
3456
3457}
3458
3459static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3460{
3461
3462}
3463
3464static void
3465dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3466{
3467
3468}
3469
3470static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3471	.dpms = dce_v10_0_ext_dpms,
3472	.prepare = dce_v10_0_ext_prepare,
3473	.mode_set = dce_v10_0_ext_mode_set,
3474	.commit = dce_v10_0_ext_commit,
3475	.disable = dce_v10_0_ext_disable,
3476	/* no detect for TMDS/LVDS yet */
3477};
3478
3479static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3480	.dpms = amdgpu_atombios_encoder_dpms,
3481	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3482	.prepare = dce_v10_0_encoder_prepare,
3483	.mode_set = dce_v10_0_encoder_mode_set,
3484	.commit = dce_v10_0_encoder_commit,
3485	.disable = dce_v10_0_encoder_disable,
3486	.detect = amdgpu_atombios_encoder_dig_detect,
3487};
3488
3489static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3490	.dpms = amdgpu_atombios_encoder_dpms,
3491	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3492	.prepare = dce_v10_0_encoder_prepare,
3493	.mode_set = dce_v10_0_encoder_mode_set,
3494	.commit = dce_v10_0_encoder_commit,
3495	.detect = amdgpu_atombios_encoder_dac_detect,
3496};
3497
3498static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3499{
3500	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3501	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3502		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3503	kfree(amdgpu_encoder->enc_priv);
3504	drm_encoder_cleanup(encoder);
3505	kfree(amdgpu_encoder);
3506}
3507
3508static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3509	.destroy = dce_v10_0_encoder_destroy,
3510};
3511
3512static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3513				 uint32_t encoder_enum,
3514				 uint32_t supported_device,
3515				 u16 caps)
3516{
3517	struct drm_device *dev = adev_to_drm(adev);
3518	struct drm_encoder *encoder;
3519	struct amdgpu_encoder *amdgpu_encoder;
3520
3521	/* see if we already added it */
3522	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3523		amdgpu_encoder = to_amdgpu_encoder(encoder);
3524		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3525			amdgpu_encoder->devices |= supported_device;
3526			return;
3527		}
3528
3529	}
3530
3531	/* add a new one */
3532	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3533	if (!amdgpu_encoder)
3534		return;
3535
3536	encoder = &amdgpu_encoder->base;
3537	switch (adev->mode_info.num_crtc) {
3538	case 1:
3539		encoder->possible_crtcs = 0x1;
3540		break;
3541	case 2:
3542	default:
3543		encoder->possible_crtcs = 0x3;
3544		break;
3545	case 4:
3546		encoder->possible_crtcs = 0xf;
3547		break;
3548	case 6:
3549		encoder->possible_crtcs = 0x3f;
3550		break;
3551	}
3552
3553	amdgpu_encoder->enc_priv = NULL;
3554
3555	amdgpu_encoder->encoder_enum = encoder_enum;
3556	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3557	amdgpu_encoder->devices = supported_device;
3558	amdgpu_encoder->rmx_type = RMX_OFF;
3559	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3560	amdgpu_encoder->is_ext_encoder = false;
3561	amdgpu_encoder->caps = caps;
3562
3563	switch (amdgpu_encoder->encoder_id) {
3564	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3565	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3566		drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3567				 DRM_MODE_ENCODER_DAC, NULL);
3568		drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3569		break;
3570	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3571	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3572	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3573	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3574	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3575		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3576			amdgpu_encoder->rmx_type = RMX_FULL;
3577			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3578					 DRM_MODE_ENCODER_LVDS, NULL);
3579			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3580		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3581			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3582					 DRM_MODE_ENCODER_DAC, NULL);
3583			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3584		} else {
3585			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3586					 DRM_MODE_ENCODER_TMDS, NULL);
3587			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3588		}
3589		drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3590		break;
3591	case ENCODER_OBJECT_ID_SI170B:
3592	case ENCODER_OBJECT_ID_CH7303:
3593	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3594	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3595	case ENCODER_OBJECT_ID_TITFP513:
3596	case ENCODER_OBJECT_ID_VT1623:
3597	case ENCODER_OBJECT_ID_HDMI_SI1930:
3598	case ENCODER_OBJECT_ID_TRAVIS:
3599	case ENCODER_OBJECT_ID_NUTMEG:
3600		/* these are handled by the primary encoders */
3601		amdgpu_encoder->is_ext_encoder = true;
3602		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3603			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3604					 DRM_MODE_ENCODER_LVDS, NULL);
3605		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3606			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3607					 DRM_MODE_ENCODER_DAC, NULL);
3608		else
3609			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3610					 DRM_MODE_ENCODER_TMDS, NULL);
3611		drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3612		break;
3613	}
3614}
3615
3616static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3617	.bandwidth_update = &dce_v10_0_bandwidth_update,
3618	.vblank_get_counter = &dce_v10_0_vblank_get_counter,
3619	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3620	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3621	.hpd_sense = &dce_v10_0_hpd_sense,
3622	.hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3623	.hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3624	.page_flip = &dce_v10_0_page_flip,
3625	.page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3626	.add_encoder = &dce_v10_0_encoder_add,
3627	.add_connector = &amdgpu_connector_add,
3628};
3629
3630static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3631{
3632	adev->mode_info.funcs = &dce_v10_0_display_funcs;
3633}
3634
3635static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3636	.set = dce_v10_0_set_crtc_irq_state,
3637	.process = dce_v10_0_crtc_irq,
3638};
3639
3640static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3641	.set = dce_v10_0_set_pageflip_irq_state,
3642	.process = dce_v10_0_pageflip_irq,
3643};
3644
3645static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3646	.set = dce_v10_0_set_hpd_irq_state,
3647	.process = dce_v10_0_hpd_irq,
3648};
3649
3650static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3651{
3652	if (adev->mode_info.num_crtc > 0)
3653		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3654	else
3655		adev->crtc_irq.num_types = 0;
3656	adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3657
3658	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3659	adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3660
3661	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3662	adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3663}
3664
3665const struct amdgpu_ip_block_version dce_v10_0_ip_block = {
3666	.type = AMD_IP_BLOCK_TYPE_DCE,
3667	.major = 10,
3668	.minor = 0,
3669	.rev = 0,
3670	.funcs = &dce_v10_0_ip_funcs,
3671};
3672
3673const struct amdgpu_ip_block_version dce_v10_1_ip_block = {
3674	.type = AMD_IP_BLOCK_TYPE_DCE,
3675	.major = 10,
3676	.minor = 1,
3677	.rev = 0,
3678	.funcs = &dce_v10_0_ip_funcs,
3679};
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