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gf119.c

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linux-6.19.14/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c C
   1/*
   2 * Copyright 2012 Red Hat 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 * Authors: Ben Skeggs
  23 */
  24#include "priv.h"
  25#include "chan.h"
  26#include "hdmi.h"
  27#include "head.h"
  28#include "ior.h"
  29#include "outp.h"
  30
  31#include <core/ramht.h>
  32#include <subdev/timer.h>
  33
  34#include <nvif/class.h>
  35
  36static void
  37gf119_sor_hda_device_entry(struct nvkm_ior *ior, int head)
  38{
  39	struct nvkm_device *device = ior->disp->engine.subdev.device;
  40	const u32 hoff = 0x800 * head;
  41
  42	nvkm_mask(device, 0x616548 + hoff, 0x00000070, head << 4);
  43}
  44
  45void
  46gf119_sor_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
  47{
  48	struct nvkm_device *device = ior->disp->engine.subdev.device;
  49	const u32 soff = 0x030 * ior->id + (head * 0x04);
  50	int i;
  51
  52	for (i = 0; i < size; i++)
  53		nvkm_wr32(device, 0x10ec00 + soff, (i << 8) | data[i]);
  54	for (; i < 0x60; i++)
  55		nvkm_wr32(device, 0x10ec00 + soff, (i << 8));
  56	nvkm_mask(device, 0x10ec10 + soff, 0x80000002, 0x80000002);
  57}
  58
  59void
  60gf119_sor_hda_hpd(struct nvkm_ior *ior, int head, bool present)
  61{
  62	struct nvkm_device *device = ior->disp->engine.subdev.device;
  63	const u32 soff = 0x030 * ior->id + (head * 0x04);
  64	u32 data = 0x80000000;
  65	u32 mask = 0x80000001;
  66
  67	if (present) {
  68		ior->func->hda->device_entry(ior, head);
  69		data |= 0x00000001;
  70	} else {
  71		mask |= 0x00000002;
  72	}
  73
  74	nvkm_mask(device, 0x10ec10 + soff, mask, data);
  75}
  76
  77const struct nvkm_ior_func_hda
  78gf119_sor_hda = {
  79	.hpd = gf119_sor_hda_hpd,
  80	.eld = gf119_sor_hda_eld,
  81	.device_entry = gf119_sor_hda_device_entry,
  82};
  83
  84void
  85gf119_sor_dp_watermark(struct nvkm_ior *sor, int head, u8 watermark)
  86{
  87	struct nvkm_device *device = sor->disp->engine.subdev.device;
  88	const u32 hoff = head * 0x800;
  89
  90	nvkm_mask(device, 0x616610 + hoff, 0x0800003f, 0x08000000 | watermark);
  91}
  92
  93void
  94gf119_sor_dp_audio_sym(struct nvkm_ior *sor, int head, u16 h, u32 v)
  95{
  96	struct nvkm_device *device = sor->disp->engine.subdev.device;
  97	const u32 hoff = head * 0x800;
  98
  99	nvkm_mask(device, 0x616620 + hoff, 0x0000ffff, h);
 100	nvkm_mask(device, 0x616624 + hoff, 0x00ffffff, v);
 101}
 102
 103void
 104gf119_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable)
 105{
 106	struct nvkm_device *device = sor->disp->engine.subdev.device;
 107	const u32 hoff = 0x800 * head;
 108	const u32 data = 0x80000000 | (0x00000001 * enable);
 109	const u32 mask = 0x8000000d;
 110
 111	nvkm_mask(device, 0x616618 + hoff, mask, data);
 112	nvkm_msec(device, 2000,
 113		if (!(nvkm_rd32(device, 0x616618 + hoff) & 0x80000000))
 114			break;
 115	);
 116}
 117
 118void
 119gf119_sor_dp_vcpi(struct nvkm_ior *sor, int head, u8 slot, u8 slot_nr, u16 pbn, u16 aligned)
 120{
 121	struct nvkm_device *device = sor->disp->engine.subdev.device;
 122	const u32 hoff = head * 0x800;
 123
 124	nvkm_mask(device, 0x616588 + hoff, 0x00003f3f, (slot_nr << 8) | slot);
 125	nvkm_mask(device, 0x61658c + hoff, 0xffffffff, (aligned << 16) | pbn);
 126}
 127
 128void
 129gf119_sor_dp_drive(struct nvkm_ior *sor, int ln, int pc, int dc, int pe, int pu)
 130{
 131	struct nvkm_device *device = sor->disp->engine.subdev.device;
 132	const u32  loff = nv50_sor_link(sor);
 133	const u32 shift = sor->func->dp->lanes[ln] * 8;
 134	u32 data[4];
 135
 136	data[0] = nvkm_rd32(device, 0x61c118 + loff) & ~(0x000000ff << shift);
 137	data[1] = nvkm_rd32(device, 0x61c120 + loff) & ~(0x000000ff << shift);
 138	data[2] = nvkm_rd32(device, 0x61c130 + loff);
 139	if ((data[2] & 0x0000ff00) < (pu << 8) || ln == 0)
 140		data[2] = (data[2] & ~0x0000ff00) | (pu << 8);
 141
 142	nvkm_wr32(device, 0x61c118 + loff, data[0] | (dc << shift));
 143	nvkm_wr32(device, 0x61c120 + loff, data[1] | (pe << shift));
 144	nvkm_wr32(device, 0x61c130 + loff, data[2]);
 145
 146	data[3] = nvkm_rd32(device, 0x61c13c + loff) & ~(0x000000ff << shift);
 147	nvkm_wr32(device, 0x61c13c + loff, data[3] | (pc << shift));
 148}
 149
 150static void
 151gf119_sor_dp_pattern(struct nvkm_ior *sor, int pattern)
 152{
 153	struct nvkm_device *device = sor->disp->engine.subdev.device;
 154	const u32 soff = nv50_ior_base(sor);
 155	u32 data;
 156
 157	switch (pattern) {
 158	case 0: data = 0x10101010; break;
 159	case 1: data = 0x01010101; break;
 160	case 2: data = 0x02020202; break;
 161	case 3: data = 0x03030303; break;
 162	default:
 163		WARN_ON(1);
 164		return;
 165	}
 166
 167	nvkm_mask(device, 0x61c110 + soff, 0x1f1f1f1f, data);
 168}
 169
 170int
 171gf119_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
 172{
 173	struct nvkm_device *device = sor->disp->engine.subdev.device;
 174	const u32 soff = nv50_ior_base(sor);
 175	const u32 loff = nv50_sor_link(sor);
 176	u32 dpctrl = 0x00000000;
 177	u32 clksor = 0x00000000;
 178
 179	clksor |= sor->dp.bw << 18;
 180	dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
 181	if (sor->dp.mst)
 182		dpctrl |= 0x40000000;
 183	if (sor->dp.ef)
 184		dpctrl |= 0x00004000;
 185
 186	nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
 187	nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
 188	return 0;
 189}
 190
 191const struct nvkm_ior_func_dp
 192gf119_sor_dp = {
 193	.lanes = { 2, 1, 0, 3 },
 194	.links = gf119_sor_dp_links,
 195	.power = g94_sor_dp_power,
 196	.pattern = gf119_sor_dp_pattern,
 197	.drive = gf119_sor_dp_drive,
 198	.vcpi = gf119_sor_dp_vcpi,
 199	.audio = gf119_sor_dp_audio,
 200	.audio_sym = gf119_sor_dp_audio_sym,
 201	.watermark = gf119_sor_dp_watermark,
 202};
 203
 204static void
 205gf119_sor_hdmi_infoframe_vsi(struct nvkm_ior *ior, int head, void *data, u32 size)
 206{
 207	struct nvkm_device *device = ior->disp->engine.subdev.device;
 208	struct packed_hdmi_infoframe vsi;
 209	const u32 hoff = head * 0x800;
 210
 211	pack_hdmi_infoframe(&vsi, data, size);
 212
 213	nvkm_mask(device, 0x616730 + hoff, 0x00010001, 0x00010000);
 214	if (!size)
 215		return;
 216
 217	/*
 218	 * These appear to be the audio infoframe registers,
 219	 * but no other set of infoframe registers has yet
 220	 * been found.
 221	 */
 222	nvkm_wr32(device, 0x616738 + hoff, vsi.header);
 223	nvkm_wr32(device, 0x61673c + hoff, vsi.subpack0_low);
 224	nvkm_wr32(device, 0x616740 + hoff, vsi.subpack0_high);
 225	/* Is there a second (or further?) set of subpack registers here? */
 226
 227	nvkm_mask(device, 0x616730 + hoff, 0x00000001, 0x00000001);
 228}
 229
 230static void
 231gf119_sor_hdmi_infoframe_avi(struct nvkm_ior *ior, int head, void *data, u32 size)
 232{
 233	struct nvkm_device *device = ior->disp->engine.subdev.device;
 234	struct packed_hdmi_infoframe avi;
 235	const u32 hoff = head * 0x800;
 236
 237	pack_hdmi_infoframe(&avi, data, size);
 238
 239	nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000000);
 240	if (!size)
 241		return;
 242
 243	nvkm_wr32(device, 0x61671c + hoff, avi.header);
 244	nvkm_wr32(device, 0x616720 + hoff, avi.subpack0_low);
 245	nvkm_wr32(device, 0x616724 + hoff, avi.subpack0_high);
 246	nvkm_wr32(device, 0x616728 + hoff, avi.subpack1_low);
 247	nvkm_wr32(device, 0x61672c + hoff, avi.subpack1_high);
 248
 249	nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000001);
 250}
 251
 252static void
 253gf119_sor_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet, u8 rekey)
 254{
 255	struct nvkm_device *device = ior->disp->engine.subdev.device;
 256	const u32 ctrl = 0x40000000 * enable |
 257			 max_ac_packet << 16 |
 258			 rekey;
 259	const u32 hoff = head * 0x800;
 260
 261	if (!(ctrl & 0x40000000)) {
 262		nvkm_mask(device, 0x616798 + hoff, 0x40000000, 0x00000000);
 263		nvkm_mask(device, 0x616730 + hoff, 0x00000001, 0x00000000);
 264		nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000000);
 265		nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000000);
 266		return;
 267	}
 268
 269	/* ??? InfoFrame? */
 270	nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000000);
 271	nvkm_wr32(device, 0x6167ac + hoff, 0x00000010);
 272	nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000001);
 273
 274	/* HDMI_CTRL */
 275	nvkm_mask(device, 0x616798 + hoff, 0x401f007f, ctrl);
 276}
 277
 278static const struct nvkm_ior_func_hdmi
 279gf119_sor_hdmi = {
 280	.ctrl = gf119_sor_hdmi_ctrl,
 281	.infoframe_avi = gf119_sor_hdmi_infoframe_avi,
 282	.infoframe_vsi = gf119_sor_hdmi_infoframe_vsi,
 283};
 284
 285void
 286gf119_sor_clock(struct nvkm_ior *sor)
 287{
 288	struct nvkm_device *device = sor->disp->engine.subdev.device;
 289	const u32 soff = nv50_ior_base(sor);
 290	u32 div1 = sor->asy.link == 3;
 291	u32 div2 = sor->asy.link == 3;
 292
 293	if (sor->asy.proto == TMDS) {
 294		const u32 speed = sor->tmds.high_speed ? 0x14 : 0x0a;
 295		nvkm_mask(device, 0x612300 + soff, 0x007c0000, speed << 18);
 296		if (sor->tmds.high_speed)
 297			div2 = 1;
 298	}
 299
 300	nvkm_mask(device, 0x612300 + soff, 0x00000707, (div2 << 8) | div1);
 301}
 302
 303void
 304gf119_sor_state(struct nvkm_ior *sor, struct nvkm_ior_state *state)
 305{
 306	struct nvkm_device *device = sor->disp->engine.subdev.device;
 307	const u32 coff = (state == &sor->asy) * 0x20000 + sor->id * 0x20;
 308	u32 ctrl = nvkm_rd32(device, 0x640200 + coff);
 309
 310	state->proto_evo = (ctrl & 0x00000f00) >> 8;
 311	switch (state->proto_evo) {
 312	case 0: state->proto = LVDS; state->link = 1; break;
 313	case 1: state->proto = TMDS; state->link = 1; break;
 314	case 2: state->proto = TMDS; state->link = 2; break;
 315	case 5: state->proto = TMDS; state->link = 3; break;
 316	case 8: state->proto =   DP; state->link = 1; break;
 317	case 9: state->proto =   DP; state->link = 2; break;
 318	default:
 319		state->proto = UNKNOWN;
 320		break;
 321	}
 322
 323	state->head = ctrl & 0x0000000f;
 324}
 325
 326static const struct nvkm_ior_func
 327gf119_sor = {
 328	.state = gf119_sor_state,
 329	.power = nv50_sor_power,
 330	.clock = gf119_sor_clock,
 331	.bl = &gt215_sor_bl,
 332	.hdmi = &gf119_sor_hdmi,
 333	.dp = &gf119_sor_dp,
 334	.hda = &gf119_sor_hda,
 335};
 336
 337static int
 338gf119_sor_new(struct nvkm_disp *disp, int id)
 339{
 340	return nvkm_ior_new_(&gf119_sor, disp, SOR, id, true);
 341}
 342
 343int
 344gf119_sor_cnt(struct nvkm_disp *disp, unsigned long *pmask)
 345{
 346	struct nvkm_device *device = disp->engine.subdev.device;
 347	*pmask = (nvkm_rd32(device, 0x612004) & 0x0000ff00) >> 8;
 348	return 8;
 349}
 350
 351static void
 352gf119_dac_clock(struct nvkm_ior *dac)
 353{
 354	struct nvkm_device *device = dac->disp->engine.subdev.device;
 355	const u32 doff = nv50_ior_base(dac);
 356	nvkm_mask(device, 0x612280 + doff, 0x07070707, 0x00000000);
 357}
 358
 359static void
 360gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state)
 361{
 362	struct nvkm_device *device = dac->disp->engine.subdev.device;
 363	const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20;
 364	u32 ctrl = nvkm_rd32(device, 0x640180 + coff);
 365
 366	state->proto_evo = (ctrl & 0x00000f00) >> 8;
 367	switch (state->proto_evo) {
 368	case 0: state->proto = CRT; break;
 369	default:
 370		state->proto = UNKNOWN;
 371		break;
 372	}
 373
 374	state->head = ctrl & 0x0000000f;
 375}
 376
 377static const struct nvkm_ior_func
 378gf119_dac = {
 379	.state = gf119_dac_state,
 380	.power = nv50_dac_power,
 381	.sense = nv50_dac_sense,
 382	.clock = gf119_dac_clock,
 383};
 384
 385int
 386gf119_dac_new(struct nvkm_disp *disp, int id)
 387{
 388	return nvkm_ior_new_(&gf119_dac, disp, DAC, id, false);
 389}
 390
 391int
 392gf119_dac_cnt(struct nvkm_disp *disp, unsigned long *pmask)
 393{
 394	struct nvkm_device *device = disp->engine.subdev.device;
 395	*pmask = (nvkm_rd32(device, 0x612004) & 0x000000f0) >> 4;
 396	return 4;
 397}
 398
 399static void
 400gf119_head_vblank_put(struct nvkm_head *head)
 401{
 402	struct nvkm_device *device = head->disp->engine.subdev.device;
 403	const u32 hoff = head->id * 0x800;
 404	nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000000);
 405}
 406
 407static void
 408gf119_head_vblank_get(struct nvkm_head *head)
 409{
 410	struct nvkm_device *device = head->disp->engine.subdev.device;
 411	const u32 hoff = head->id * 0x800;
 412	nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000001);
 413}
 414
 415void
 416gf119_head_rgclk(struct nvkm_head *head, int div)
 417{
 418	struct nvkm_device *device = head->disp->engine.subdev.device;
 419	nvkm_mask(device, 0x612200 + (head->id * 0x800), 0x0000000f, div);
 420}
 421
 422static void
 423gf119_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
 424{
 425	struct nvkm_device *device = head->disp->engine.subdev.device;
 426	const u32 hoff = (state == &head->asy) * 0x20000 + head->id * 0x300;
 427	u32 data;
 428
 429	data = nvkm_rd32(device, 0x640414 + hoff);
 430	state->vtotal = (data & 0xffff0000) >> 16;
 431	state->htotal = (data & 0x0000ffff);
 432	data = nvkm_rd32(device, 0x640418 + hoff);
 433	state->vsynce = (data & 0xffff0000) >> 16;
 434	state->hsynce = (data & 0x0000ffff);
 435	data = nvkm_rd32(device, 0x64041c + hoff);
 436	state->vblanke = (data & 0xffff0000) >> 16;
 437	state->hblanke = (data & 0x0000ffff);
 438	data = nvkm_rd32(device, 0x640420 + hoff);
 439	state->vblanks = (data & 0xffff0000) >> 16;
 440	state->hblanks = (data & 0x0000ffff);
 441	state->hz = nvkm_rd32(device, 0x640450 + hoff);
 442
 443	data = nvkm_rd32(device, 0x640404 + hoff);
 444	switch ((data & 0x000003c0) >> 6) {
 445	case 6: state->or.depth = 30; break;
 446	case 5: state->or.depth = 24; break;
 447	case 2: state->or.depth = 18; break;
 448	case 0: state->or.depth = 18; break; /*XXX: "default" */
 449	default:
 450		state->or.depth = 18;
 451		WARN_ON(1);
 452		break;
 453	}
 454}
 455
 456static const struct nvkm_head_func
 457gf119_head = {
 458	.state = gf119_head_state,
 459	.rgpos = nv50_head_rgpos,
 460	.rgclk = gf119_head_rgclk,
 461	.vblank_get = gf119_head_vblank_get,
 462	.vblank_put = gf119_head_vblank_put,
 463};
 464
 465int
 466gf119_head_new(struct nvkm_disp *disp, int id)
 467{
 468	return nvkm_head_new_(&gf119_head, disp, id);
 469}
 470
 471int
 472gf119_head_cnt(struct nvkm_disp *disp, unsigned long *pmask)
 473{
 474	struct nvkm_device *device = disp->engine.subdev.device;
 475	*pmask = nvkm_rd32(device, 0x612004) & 0x0000000f;
 476	return nvkm_rd32(device, 0x022448);
 477}
 478
 479static void
 480gf119_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
 481{
 482	struct nvkm_disp *disp = container_of(event, typeof(*disp), uevent);
 483	struct nvkm_device *device = disp->engine.subdev.device;
 484	nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000000 << index);
 485	nvkm_wr32(device, 0x61008c, 0x00000001 << index);
 486}
 487
 488static void
 489gf119_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
 490{
 491	struct nvkm_disp *disp = container_of(event, typeof(*disp), uevent);
 492	struct nvkm_device *device = disp->engine.subdev.device;
 493	nvkm_wr32(device, 0x61008c, 0x00000001 << index);
 494	nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000001 << index);
 495}
 496
 497const struct nvkm_event_func
 498gf119_disp_chan_uevent = {
 499	.init = gf119_disp_chan_uevent_init,
 500	.fini = gf119_disp_chan_uevent_fini,
 501};
 502
 503void
 504gf119_disp_chan_intr(struct nvkm_disp_chan *chan, bool en)
 505{
 506	struct nvkm_device *device = chan->disp->engine.subdev.device;
 507	const u32 mask = 0x00000001 << chan->chid.user;
 508	if (!en) {
 509		nvkm_mask(device, 0x610090, mask, 0x00000000);
 510		nvkm_mask(device, 0x6100a0, mask, 0x00000000);
 511	} else {
 512		nvkm_mask(device, 0x6100a0, mask, mask);
 513	}
 514}
 515
 516static void
 517gf119_disp_pioc_fini(struct nvkm_disp_chan *chan)
 518{
 519	struct nvkm_disp *disp = chan->disp;
 520	struct nvkm_subdev *subdev = &disp->engine.subdev;
 521	struct nvkm_device *device = subdev->device;
 522	int ctrl = chan->chid.ctrl;
 523	int user = chan->chid.user;
 524
 525	nvkm_mask(device, 0x610490 + (ctrl * 0x10), 0x00000001, 0x00000000);
 526	if (nvkm_msec(device, 2000,
 527		if (!(nvkm_rd32(device, 0x610490 + (ctrl * 0x10)) & 0x00030000))
 528			break;
 529	) < 0) {
 530		nvkm_error(subdev, "ch %d fini: %08x\n", user,
 531			   nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
 532	}
 533}
 534
 535static int
 536gf119_disp_pioc_init(struct nvkm_disp_chan *chan)
 537{
 538	struct nvkm_disp *disp = chan->disp;
 539	struct nvkm_subdev *subdev = &disp->engine.subdev;
 540	struct nvkm_device *device = subdev->device;
 541	int ctrl = chan->chid.ctrl;
 542	int user = chan->chid.user;
 543
 544	/* activate channel */
 545	nvkm_wr32(device, 0x610490 + (ctrl * 0x10), 0x00000001);
 546	if (nvkm_msec(device, 2000,
 547		u32 tmp = nvkm_rd32(device, 0x610490 + (ctrl * 0x10));
 548		if ((tmp & 0x00030000) == 0x00010000)
 549			break;
 550	) < 0) {
 551		nvkm_error(subdev, "ch %d init: %08x\n", user,
 552			   nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
 553		return -EBUSY;
 554	}
 555
 556	return 0;
 557}
 558
 559const struct nvkm_disp_chan_func
 560gf119_disp_pioc_func = {
 561	.init = gf119_disp_pioc_init,
 562	.fini = gf119_disp_pioc_fini,
 563	.intr = gf119_disp_chan_intr,
 564	.user = nv50_disp_chan_user,
 565};
 566
 567int
 568gf119_disp_dmac_bind(struct nvkm_disp_chan *chan, struct nvkm_object *object, u32 handle)
 569{
 570	return nvkm_ramht_insert(chan->disp->ramht, object, chan->chid.user, -9, handle,
 571				 chan->chid.user << 27 | 0x00000001);
 572}
 573
 574void
 575gf119_disp_dmac_fini(struct nvkm_disp_chan *chan)
 576{
 577	struct nvkm_subdev *subdev = &chan->disp->engine.subdev;
 578	struct nvkm_device *device = subdev->device;
 579	int ctrl = chan->chid.ctrl;
 580	int user = chan->chid.user;
 581
 582	/* deactivate channel */
 583	nvkm_mask(device, 0x610490 + (ctrl * 0x0010), 0x00001010, 0x00001000);
 584	nvkm_mask(device, 0x610490 + (ctrl * 0x0010), 0x00000003, 0x00000000);
 585	if (nvkm_msec(device, 2000,
 586		if (!(nvkm_rd32(device, 0x610490 + (ctrl * 0x10)) & 0x001e0000))
 587			break;
 588	) < 0) {
 589		nvkm_error(subdev, "ch %d fini: %08x\n", user,
 590			   nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
 591	}
 592
 593	chan->suspend_put = nvkm_rd32(device, 0x640000 + (ctrl * 0x1000));
 594}
 595
 596static int
 597gf119_disp_dmac_init(struct nvkm_disp_chan *chan)
 598{
 599	struct nvkm_subdev *subdev = &chan->disp->engine.subdev;
 600	struct nvkm_device *device = subdev->device;
 601	int ctrl = chan->chid.ctrl;
 602	int user = chan->chid.user;
 603
 604	/* initialise channel for dma command submission */
 605	nvkm_wr32(device, 0x610494 + (ctrl * 0x0010), chan->push);
 606	nvkm_wr32(device, 0x610498 + (ctrl * 0x0010), 0x00010000);
 607	nvkm_wr32(device, 0x61049c + (ctrl * 0x0010), 0x00000001);
 608	nvkm_mask(device, 0x610490 + (ctrl * 0x0010), 0x00000010, 0x00000010);
 609	nvkm_wr32(device, 0x640000 + (ctrl * 0x1000), chan->suspend_put);
 610	nvkm_wr32(device, 0x610490 + (ctrl * 0x0010), 0x00000013);
 611
 612	/* wait for it to go inactive */
 613	if (nvkm_msec(device, 2000,
 614		if (!(nvkm_rd32(device, 0x610490 + (ctrl * 0x10)) & 0x80000000))
 615			break;
 616	) < 0) {
 617		nvkm_error(subdev, "ch %d init: %08x\n", user,
 618			   nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
 619		return -EBUSY;
 620	}
 621
 622	return 0;
 623}
 624
 625const struct nvkm_disp_chan_func
 626gf119_disp_dmac_func = {
 627	.push = nv50_disp_dmac_push,
 628	.init = gf119_disp_dmac_init,
 629	.fini = gf119_disp_dmac_fini,
 630	.intr = gf119_disp_chan_intr,
 631	.user = nv50_disp_chan_user,
 632	.bind = gf119_disp_dmac_bind,
 633};
 634
 635const struct nvkm_disp_chan_user
 636gf119_disp_curs = {
 637	.func = &gf119_disp_pioc_func,
 638	.ctrl = 13,
 639	.user = 13,
 640};
 641
 642const struct nvkm_disp_chan_user
 643gf119_disp_oimm = {
 644	.func = &gf119_disp_pioc_func,
 645	.ctrl = 9,
 646	.user = 9,
 647};
 648
 649static const struct nvkm_disp_mthd_list
 650gf119_disp_ovly_mthd_base = {
 651	.mthd = 0x0000,
 652	.data = {
 653		{ 0x0080, 0x665080 },
 654		{ 0x0084, 0x665084 },
 655		{ 0x0088, 0x665088 },
 656		{ 0x008c, 0x66508c },
 657		{ 0x0090, 0x665090 },
 658		{ 0x0094, 0x665094 },
 659		{ 0x00a0, 0x6650a0 },
 660		{ 0x00a4, 0x6650a4 },
 661		{ 0x00b0, 0x6650b0 },
 662		{ 0x00b4, 0x6650b4 },
 663		{ 0x00b8, 0x6650b8 },
 664		{ 0x00c0, 0x6650c0 },
 665		{ 0x00e0, 0x6650e0 },
 666		{ 0x00e4, 0x6650e4 },
 667		{ 0x00e8, 0x6650e8 },
 668		{ 0x0100, 0x665100 },
 669		{ 0x0104, 0x665104 },
 670		{ 0x0108, 0x665108 },
 671		{ 0x010c, 0x66510c },
 672		{ 0x0110, 0x665110 },
 673		{ 0x0118, 0x665118 },
 674		{ 0x011c, 0x66511c },
 675		{ 0x0120, 0x665120 },
 676		{ 0x0124, 0x665124 },
 677		{ 0x0130, 0x665130 },
 678		{ 0x0134, 0x665134 },
 679		{ 0x0138, 0x665138 },
 680		{ 0x013c, 0x66513c },
 681		{ 0x0140, 0x665140 },
 682		{ 0x0144, 0x665144 },
 683		{ 0x0148, 0x665148 },
 684		{ 0x014c, 0x66514c },
 685		{ 0x0150, 0x665150 },
 686		{ 0x0154, 0x665154 },
 687		{ 0x0158, 0x665158 },
 688		{ 0x015c, 0x66515c },
 689		{ 0x0160, 0x665160 },
 690		{ 0x0164, 0x665164 },
 691		{ 0x0168, 0x665168 },
 692		{ 0x016c, 0x66516c },
 693		{ 0x0400, 0x665400 },
 694		{ 0x0408, 0x665408 },
 695		{ 0x040c, 0x66540c },
 696		{ 0x0410, 0x665410 },
 697		{}
 698	}
 699};
 700
 701static const struct nvkm_disp_chan_mthd
 702gf119_disp_ovly_mthd = {
 703	.name = "Overlay",
 704	.addr = 0x001000,
 705	.prev = -0x020000,
 706	.data = {
 707		{ "Global", 1, &gf119_disp_ovly_mthd_base },
 708		{}
 709	}
 710};
 711
 712static const struct nvkm_disp_chan_user
 713gf119_disp_ovly = {
 714	.func = &gf119_disp_dmac_func,
 715	.ctrl = 5,
 716	.user = 5,
 717	.mthd = &gf119_disp_ovly_mthd,
 718};
 719
 720static const struct nvkm_disp_mthd_list
 721gf119_disp_base_mthd_base = {
 722	.mthd = 0x0000,
 723	.addr = 0x000000,
 724	.data = {
 725		{ 0x0080, 0x661080 },
 726		{ 0x0084, 0x661084 },
 727		{ 0x0088, 0x661088 },
 728		{ 0x008c, 0x66108c },
 729		{ 0x0090, 0x661090 },
 730		{ 0x0094, 0x661094 },
 731		{ 0x00a0, 0x6610a0 },
 732		{ 0x00a4, 0x6610a4 },
 733		{ 0x00c0, 0x6610c0 },
 734		{ 0x00c4, 0x6610c4 },
 735		{ 0x00c8, 0x6610c8 },
 736		{ 0x00cc, 0x6610cc },
 737		{ 0x00e0, 0x6610e0 },
 738		{ 0x00e4, 0x6610e4 },
 739		{ 0x00e8, 0x6610e8 },
 740		{ 0x00ec, 0x6610ec },
 741		{ 0x00fc, 0x6610fc },
 742		{ 0x0100, 0x661100 },
 743		{ 0x0104, 0x661104 },
 744		{ 0x0108, 0x661108 },
 745		{ 0x010c, 0x66110c },
 746		{ 0x0110, 0x661110 },
 747		{ 0x0114, 0x661114 },
 748		{ 0x0118, 0x661118 },
 749		{ 0x011c, 0x66111c },
 750		{ 0x0130, 0x661130 },
 751		{ 0x0134, 0x661134 },
 752		{ 0x0138, 0x661138 },
 753		{ 0x013c, 0x66113c },
 754		{ 0x0140, 0x661140 },
 755		{ 0x0144, 0x661144 },
 756		{ 0x0148, 0x661148 },
 757		{ 0x014c, 0x66114c },
 758		{ 0x0150, 0x661150 },
 759		{ 0x0154, 0x661154 },
 760		{ 0x0158, 0x661158 },
 761		{ 0x015c, 0x66115c },
 762		{ 0x0160, 0x661160 },
 763		{ 0x0164, 0x661164 },
 764		{ 0x0168, 0x661168 },
 765		{ 0x016c, 0x66116c },
 766		{}
 767	}
 768};
 769
 770static const struct nvkm_disp_mthd_list
 771gf119_disp_base_mthd_image = {
 772	.mthd = 0x0020,
 773	.addr = 0x000020,
 774	.data = {
 775		{ 0x0400, 0x661400 },
 776		{ 0x0404, 0x661404 },
 777		{ 0x0408, 0x661408 },
 778		{ 0x040c, 0x66140c },
 779		{ 0x0410, 0x661410 },
 780		{}
 781	}
 782};
 783
 784const struct nvkm_disp_chan_mthd
 785gf119_disp_base_mthd = {
 786	.name = "Base",
 787	.addr = 0x001000,
 788	.prev = -0x020000,
 789	.data = {
 790		{ "Global", 1, &gf119_disp_base_mthd_base },
 791		{  "Image", 2, &gf119_disp_base_mthd_image },
 792		{}
 793	}
 794};
 795
 796const struct nvkm_disp_chan_user
 797gf119_disp_base = {
 798	.func = &gf119_disp_dmac_func,
 799	.ctrl = 1,
 800	.user = 1,
 801	.mthd = &gf119_disp_base_mthd,
 802};
 803
 804const struct nvkm_disp_mthd_list
 805gf119_disp_core_mthd_base = {
 806	.mthd = 0x0000,
 807	.addr = 0x000000,
 808	.data = {
 809		{ 0x0080, 0x660080 },
 810		{ 0x0084, 0x660084 },
 811		{ 0x0088, 0x660088 },
 812		{ 0x008c, 0x000000 },
 813		{}
 814	}
 815};
 816
 817const struct nvkm_disp_mthd_list
 818gf119_disp_core_mthd_dac = {
 819	.mthd = 0x0020,
 820	.addr = 0x000020,
 821	.data = {
 822		{ 0x0180, 0x660180 },
 823		{ 0x0184, 0x660184 },
 824		{ 0x0188, 0x660188 },
 825		{ 0x0190, 0x660190 },
 826		{}
 827	}
 828};
 829
 830const struct nvkm_disp_mthd_list
 831gf119_disp_core_mthd_sor = {
 832	.mthd = 0x0020,
 833	.addr = 0x000020,
 834	.data = {
 835		{ 0x0200, 0x660200 },
 836		{ 0x0204, 0x660204 },
 837		{ 0x0208, 0x660208 },
 838		{ 0x0210, 0x660210 },
 839		{}
 840	}
 841};
 842
 843const struct nvkm_disp_mthd_list
 844gf119_disp_core_mthd_pior = {
 845	.mthd = 0x0020,
 846	.addr = 0x000020,
 847	.data = {
 848		{ 0x0300, 0x660300 },
 849		{ 0x0304, 0x660304 },
 850		{ 0x0308, 0x660308 },
 851		{ 0x0310, 0x660310 },
 852		{}
 853	}
 854};
 855
 856static const struct nvkm_disp_mthd_list
 857gf119_disp_core_mthd_head = {
 858	.mthd = 0x0300,
 859	.addr = 0x000300,
 860	.data = {
 861		{ 0x0400, 0x660400 },
 862		{ 0x0404, 0x660404 },
 863		{ 0x0408, 0x660408 },
 864		{ 0x040c, 0x66040c },
 865		{ 0x0410, 0x660410 },
 866		{ 0x0414, 0x660414 },
 867		{ 0x0418, 0x660418 },
 868		{ 0x041c, 0x66041c },
 869		{ 0x0420, 0x660420 },
 870		{ 0x0424, 0x660424 },
 871		{ 0x0428, 0x660428 },
 872		{ 0x042c, 0x66042c },
 873		{ 0x0430, 0x660430 },
 874		{ 0x0434, 0x660434 },
 875		{ 0x0438, 0x660438 },
 876		{ 0x0440, 0x660440 },
 877		{ 0x0444, 0x660444 },
 878		{ 0x0448, 0x660448 },
 879		{ 0x044c, 0x66044c },
 880		{ 0x0450, 0x660450 },
 881		{ 0x0454, 0x660454 },
 882		{ 0x0458, 0x660458 },
 883		{ 0x045c, 0x66045c },
 884		{ 0x0460, 0x660460 },
 885		{ 0x0468, 0x660468 },
 886		{ 0x046c, 0x66046c },
 887		{ 0x0470, 0x660470 },
 888		{ 0x0474, 0x660474 },
 889		{ 0x0480, 0x660480 },
 890		{ 0x0484, 0x660484 },
 891		{ 0x048c, 0x66048c },
 892		{ 0x0490, 0x660490 },
 893		{ 0x0494, 0x660494 },
 894		{ 0x0498, 0x660498 },
 895		{ 0x04b0, 0x6604b0 },
 896		{ 0x04b8, 0x6604b8 },
 897		{ 0x04bc, 0x6604bc },
 898		{ 0x04c0, 0x6604c0 },
 899		{ 0x04c4, 0x6604c4 },
 900		{ 0x04c8, 0x6604c8 },
 901		{ 0x04d0, 0x6604d0 },
 902		{ 0x04d4, 0x6604d4 },
 903		{ 0x04e0, 0x6604e0 },
 904		{ 0x04e4, 0x6604e4 },
 905		{ 0x04e8, 0x6604e8 },
 906		{ 0x04ec, 0x6604ec },
 907		{ 0x04f0, 0x6604f0 },
 908		{ 0x04f4, 0x6604f4 },
 909		{ 0x04f8, 0x6604f8 },
 910		{ 0x04fc, 0x6604fc },
 911		{ 0x0500, 0x660500 },
 912		{ 0x0504, 0x660504 },
 913		{ 0x0508, 0x660508 },
 914		{ 0x050c, 0x66050c },
 915		{ 0x0510, 0x660510 },
 916		{ 0x0514, 0x660514 },
 917		{ 0x0518, 0x660518 },
 918		{ 0x051c, 0x66051c },
 919		{ 0x052c, 0x66052c },
 920		{ 0x0530, 0x660530 },
 921		{ 0x054c, 0x66054c },
 922		{ 0x0550, 0x660550 },
 923		{ 0x0554, 0x660554 },
 924		{ 0x0558, 0x660558 },
 925		{ 0x055c, 0x66055c },
 926		{}
 927	}
 928};
 929
 930static const struct nvkm_disp_chan_mthd
 931gf119_disp_core_mthd = {
 932	.name = "Core",
 933	.addr = 0x000000,
 934	.prev = -0x020000,
 935	.data = {
 936		{ "Global", 1, &gf119_disp_core_mthd_base },
 937		{    "DAC", 3, &gf119_disp_core_mthd_dac  },
 938		{    "SOR", 8, &gf119_disp_core_mthd_sor  },
 939		{   "PIOR", 4, &gf119_disp_core_mthd_pior },
 940		{   "HEAD", 4, &gf119_disp_core_mthd_head },
 941		{}
 942	}
 943};
 944
 945void
 946gf119_disp_core_fini(struct nvkm_disp_chan *chan)
 947{
 948	struct nvkm_subdev *subdev = &chan->disp->engine.subdev;
 949	struct nvkm_device *device = subdev->device;
 950
 951	/* deactivate channel */
 952	nvkm_mask(device, 0x610490, 0x00000010, 0x00000000);
 953	nvkm_mask(device, 0x610490, 0x00000003, 0x00000000);
 954	if (nvkm_msec(device, 2000,
 955		if (!(nvkm_rd32(device, 0x610490) & 0x001e0000))
 956			break;
 957	) < 0) {
 958		nvkm_error(subdev, "core fini: %08x\n",
 959			   nvkm_rd32(device, 0x610490));
 960	}
 961
 962	chan->suspend_put = nvkm_rd32(device, 0x640000);
 963}
 964
 965static int
 966gf119_disp_core_init(struct nvkm_disp_chan *chan)
 967{
 968	struct nvkm_subdev *subdev = &chan->disp->engine.subdev;
 969	struct nvkm_device *device = subdev->device;
 970
 971	/* initialise channel for dma command submission */
 972	nvkm_wr32(device, 0x610494, chan->push);
 973	nvkm_wr32(device, 0x610498, 0x00010000);
 974	nvkm_wr32(device, 0x61049c, 0x00000001);
 975	nvkm_mask(device, 0x610490, 0x00000010, 0x00000010);
 976	nvkm_wr32(device, 0x640000, chan->suspend_put);
 977	nvkm_wr32(device, 0x610490, 0x01000013);
 978
 979	/* wait for it to go inactive */
 980	if (nvkm_msec(device, 2000,
 981		if (!(nvkm_rd32(device, 0x610490) & 0x80000000))
 982			break;
 983	) < 0) {
 984		nvkm_error(subdev, "core init: %08x\n",
 985			   nvkm_rd32(device, 0x610490));
 986		return -EBUSY;
 987	}
 988
 989	return 0;
 990}
 991
 992const struct nvkm_disp_chan_func
 993gf119_disp_core_func = {
 994	.push = nv50_disp_dmac_push,
 995	.init = gf119_disp_core_init,
 996	.fini = gf119_disp_core_fini,
 997	.intr = gf119_disp_chan_intr,
 998	.user = nv50_disp_chan_user,
 999	.bind = gf119_disp_dmac_bind,
1000};
1001
1002static const struct nvkm_disp_chan_user
1003gf119_disp_core = {
1004	.func = &gf119_disp_core_func,
1005	.ctrl = 0,
1006	.user = 0,
1007	.mthd = &gf119_disp_core_mthd,
1008};
1009
1010void
1011gf119_disp_super(struct work_struct *work)
1012{
1013	struct nvkm_disp *disp = container_of(work, struct nvkm_disp, super.work);
1014	struct nvkm_subdev *subdev = &disp->engine.subdev;
1015	struct nvkm_device *device = subdev->device;
1016	struct nvkm_head *head;
1017	u32 mask[4];
1018
1019	nvkm_debug(subdev, "supervisor %d\n", ffs(disp->super.pending));
1020	mutex_lock(&disp->super.mutex);
1021
1022	list_for_each_entry(head, &disp->heads, head) {
1023		mask[head->id] = nvkm_rd32(device, 0x6101d4 + (head->id * 0x800));
1024		HEAD_DBG(head, "%08x", mask[head->id]);
1025	}
1026
1027	if (disp->super.pending & 0x00000001) {
1028		nv50_disp_chan_mthd(disp->chan[0], NV_DBG_DEBUG);
1029		nv50_disp_super_1(disp);
1030		list_for_each_entry(head, &disp->heads, head) {
1031			if (!(mask[head->id] & 0x00001000))
1032				continue;
1033			nv50_disp_super_1_0(disp, head);
1034		}
1035	} else
1036	if (disp->super.pending & 0x00000002) {
1037		list_for_each_entry(head, &disp->heads, head) {
1038			if (!(mask[head->id] & 0x00001000))
1039				continue;
1040			nv50_disp_super_2_0(disp, head);
1041		}
1042		list_for_each_entry(head, &disp->heads, head) {
1043			if (!(mask[head->id] & 0x00010000))
1044				continue;
1045			nv50_disp_super_2_1(disp, head);
1046		}
1047		list_for_each_entry(head, &disp->heads, head) {
1048			if (!(mask[head->id] & 0x00001000))
1049				continue;
1050			nv50_disp_super_2_2(disp, head);
1051		}
1052	} else
1053	if (disp->super.pending & 0x00000004) {
1054		list_for_each_entry(head, &disp->heads, head) {
1055			if (!(mask[head->id] & 0x00001000))
1056				continue;
1057			nv50_disp_super_3_0(disp, head);
1058		}
1059	}
1060
1061	list_for_each_entry(head, &disp->heads, head)
1062		nvkm_wr32(device, 0x6101d4 + (head->id * 0x800), 0x00000000);
1063
1064	nvkm_wr32(device, 0x6101d0, 0x80000000);
1065	mutex_unlock(&disp->super.mutex);
1066}
1067
1068void
1069gf119_disp_intr_error(struct nvkm_disp *disp, int chid)
1070{
1071	struct nvkm_subdev *subdev = &disp->engine.subdev;
1072	struct nvkm_device *device = subdev->device;
1073	u32 stat = nvkm_rd32(device, 0x6101f0 + (chid * 12));
1074	u32 type = (stat & 0x00007000) >> 12;
1075	u32 mthd = (stat & 0x00000ffc);
1076	u32 data = nvkm_rd32(device, 0x6101f4 + (chid * 12));
1077	u32 code = nvkm_rd32(device, 0x6101f8 + (chid * 12));
1078	const struct nvkm_enum *reason =
1079		nvkm_enum_find(nv50_disp_intr_error_type, type);
1080
1081	nvkm_error(subdev, "chid %d stat %08x reason %d [%s] mthd %04x "
1082			   "data %08x code %08x\n",
1083		   chid, stat, type, reason ? reason->name : "",
1084		   mthd, data, code);
1085
1086	if (chid < ARRAY_SIZE(disp->chan)) {
1087		switch (mthd) {
1088		case 0x0080:
1089			nv50_disp_chan_mthd(disp->chan[chid], NV_DBG_ERROR);
1090			break;
1091		default:
1092			break;
1093		}
1094	}
1095
1096	nvkm_wr32(device, 0x61009c, (1 << chid));
1097	nvkm_wr32(device, 0x6101f0 + (chid * 12), 0x90000000);
1098}
1099
1100void
1101gf119_disp_intr(struct nvkm_disp *disp)
1102{
1103	struct nvkm_subdev *subdev = &disp->engine.subdev;
1104	struct nvkm_device *device = subdev->device;
1105	struct nvkm_head *head;
1106	u32 intr = nvkm_rd32(device, 0x610088);
1107
1108	if (intr & 0x00000001) {
1109		u32 stat = nvkm_rd32(device, 0x61008c);
1110		while (stat) {
1111			int chid = __ffs(stat); stat &= ~(1 << chid);
1112			nv50_disp_chan_uevent_send(disp, chid);
1113			nvkm_wr32(device, 0x61008c, 1 << chid);
1114		}
1115		intr &= ~0x00000001;
1116	}
1117
1118	if (intr & 0x00000002) {
1119		u32 stat = nvkm_rd32(device, 0x61009c);
1120		int chid = ffs(stat) - 1;
1121		if (chid >= 0)
1122			disp->func->intr_error(disp, chid);
1123		intr &= ~0x00000002;
1124	}
1125
1126	if (intr & 0x00100000) {
1127		u32 stat = nvkm_rd32(device, 0x6100ac);
1128		if (stat & 0x00000007) {
1129			disp->super.pending = (stat & 0x00000007);
1130			queue_work(disp->super.wq, &disp->super.work);
1131			nvkm_wr32(device, 0x6100ac, disp->super.pending);
1132			stat &= ~0x00000007;
1133		}
1134
1135		if (stat) {
1136			nvkm_warn(subdev, "intr24 %08x\n", stat);
1137			nvkm_wr32(device, 0x6100ac, stat);
1138		}
1139
1140		intr &= ~0x00100000;
1141	}
1142
1143	list_for_each_entry(head, &disp->heads, head) {
1144		const u32 hoff = head->id * 0x800;
1145		u32 mask = 0x01000000 << head->id;
1146		if (mask & intr) {
1147			u32 stat = nvkm_rd32(device, 0x6100bc + hoff);
1148			if (stat & 0x00000001)
1149				nvkm_disp_vblank(disp, head->id);
1150			nvkm_mask(device, 0x6100bc + hoff, 0, 0);
1151			nvkm_rd32(device, 0x6100c0 + hoff);
1152		}
1153	}
1154}
1155
1156void
1157gf119_disp_fini(struct nvkm_disp *disp, bool suspend)
1158{
1159	struct nvkm_device *device = disp->engine.subdev.device;
1160	/* disable all interrupts */
1161	nvkm_wr32(device, 0x6100b0, 0x00000000);
1162}
1163
1164int
1165gf119_disp_init(struct nvkm_disp *disp)
1166{
1167	struct nvkm_device *device = disp->engine.subdev.device;
1168	struct nvkm_head *head;
1169	u32 tmp;
1170	int i;
1171
1172	/* The below segments of code copying values from one register to
1173	 * another appear to inform EVO of the display capabilities or
1174	 * something similar.
1175	 */
1176
1177	/* ... CRTC caps */
1178	list_for_each_entry(head, &disp->heads, head) {
1179		const u32 hoff = head->id * 0x800;
1180		tmp = nvkm_rd32(device, 0x616104 + hoff);
1181		nvkm_wr32(device, 0x6101b4 + hoff, tmp);
1182		tmp = nvkm_rd32(device, 0x616108 + hoff);
1183		nvkm_wr32(device, 0x6101b8 + hoff, tmp);
1184		tmp = nvkm_rd32(device, 0x61610c + hoff);
1185		nvkm_wr32(device, 0x6101bc + hoff, tmp);
1186	}
1187
1188	/* ... DAC caps */
1189	for (i = 0; i < disp->dac.nr; i++) {
1190		tmp = nvkm_rd32(device, 0x61a000 + (i * 0x800));
1191		nvkm_wr32(device, 0x6101c0 + (i * 0x800), tmp);
1192	}
1193
1194	/* ... SOR caps */
1195	for (i = 0; i < disp->sor.nr; i++) {
1196		tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800));
1197		nvkm_wr32(device, 0x6301c4 + (i * 0x800), tmp);
1198	}
1199
1200	/* steal display away from vbios, or something like that */
1201	if (nvkm_rd32(device, 0x6100ac) & 0x00000100) {
1202		nvkm_wr32(device, 0x6100ac, 0x00000100);
1203		nvkm_mask(device, 0x6194e8, 0x00000001, 0x00000000);
1204		if (nvkm_msec(device, 2000,
1205			if (!(nvkm_rd32(device, 0x6194e8) & 0x00000002))
1206				break;
1207		) < 0)
1208			return -EBUSY;
1209	}
1210
1211	/* point at display engine memory area (hash table, objects) */
1212	nvkm_wr32(device, 0x610010, (disp->inst->addr >> 8) | 9);
1213
1214	/* enable supervisor interrupts, disable everything else */
1215	nvkm_wr32(device, 0x610090, 0x00000000);
1216	nvkm_wr32(device, 0x6100a0, 0x00000000);
1217	nvkm_wr32(device, 0x6100b0, 0x00000307);
1218
1219	/* disable underflow reporting, preventing an intermittent issue
1220	 * on some gk104 boards where the production vbios left this
1221	 * setting enabled by default.
1222	 *
1223	 * ftp://download.nvidia.com/open-gpu-doc/gk104-disable-underflow-reporting/1/gk104-disable-underflow-reporting.txt
1224	 */
1225	list_for_each_entry(head, &disp->heads, head) {
1226		const u32 hoff = head->id * 0x800;
1227		nvkm_mask(device, 0x616308 + hoff, 0x00000111, 0x00000010);
1228	}
1229
1230	return 0;
1231}
1232
1233static const struct nvkm_disp_func
1234gf119_disp = {
1235	.oneinit = nv50_disp_oneinit,
1236	.init = gf119_disp_init,
1237	.fini = gf119_disp_fini,
1238	.intr = gf119_disp_intr,
1239	.intr_error = gf119_disp_intr_error,
1240	.super = gf119_disp_super,
1241	.uevent = &gf119_disp_chan_uevent,
1242	.head = { .cnt = gf119_head_cnt, .new = gf119_head_new },
1243	.dac = { .cnt = gf119_dac_cnt, .new = gf119_dac_new },
1244	.sor = { .cnt = gf119_sor_cnt, .new = gf119_sor_new },
1245	.root = { 0,0,GF110_DISP },
1246	.user = {
1247		{{0,0,GF110_DISP_CURSOR             }, nvkm_disp_chan_new, &gf119_disp_curs },
1248		{{0,0,GF110_DISP_OVERLAY            }, nvkm_disp_chan_new, &gf119_disp_oimm },
1249		{{0,0,GF110_DISP_BASE_CHANNEL_DMA   }, nvkm_disp_chan_new, &gf119_disp_base },
1250		{{0,0,GF110_DISP_CORE_CHANNEL_DMA   }, nvkm_disp_core_new, &gf119_disp_core },
1251		{{0,0,GF110_DISP_OVERLAY_CONTROL_DMA}, nvkm_disp_chan_new, &gf119_disp_ovly },
1252		{}
1253	},
1254};
1255
1256int
1257gf119_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
1258	       struct nvkm_disp **pdisp)
1259{
1260	return nvkm_disp_new_(&gf119_disp, device, type, inst, pdisp);
1261}
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