dcn21_hwseq.c

  1/*
  2 * Copyright 2016 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 * Authors: AMD
 23 *
 24 */
 25
 26#include "dm_services.h"
 27#include "dm_helpers.h"
 28#include "core_types.h"
 29#include "resource.h"
 30#include "dce/dce_hwseq.h"
 31#include "dce110/dce110_hwseq.h"
 32#include "dcn21_hwseq.h"
 33#include "vmid.h"
 34#include "reg_helper.h"
 35#include "hw/clk_mgr.h"
 36#include "dc_dmub_srv.h"
 37#include "abm.h"
 38#include "link_service.h"
 39
 40#define DC_LOGGER_INIT(logger)
 41
 42#define CTX \
 43	hws->ctx
 44#define REG(reg)\
 45	hws->regs->reg
 46
 47#undef FN
 48#define FN(reg_name, field_name) \
 49	hws->shifts->field_name, hws->masks->field_name
 50
 51/* Temporary read settings, future will get values from kmd directly */
 52static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config,
 53		struct dce_hwseq *hws)
 54{
 55	uint32_t page_table_base_hi;
 56	uint32_t page_table_base_lo;
 57
 58	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
 59			PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi);
 60	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
 61			PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo);
 62
 63	config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo;
 64
 65}
 66
 67int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
 68{
 69	struct dcn_hubbub_phys_addr_config config = {0};
 70
 71	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
 72	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
 73	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
 74	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
 75	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
 76	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
 77	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
 78	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
 79	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
 80
 81	mmhub_update_page_table_config(&config, hws);
 82
 83	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
 84}
 85
 86// work around for Renoir s0i3, if register is programmed, bypass golden init.
 87
 88bool dcn21_s0i3_golden_init_wa(struct dc *dc)
 89{
 90	struct dce_hwseq *hws = dc->hwseq;
 91	uint32_t value = 0;
 92
 93	value = REG_READ(MICROSECOND_TIME_BASE_DIV);
 94
 95	return value != 0x00120464;
 96}
 97
 98void dcn21_exit_optimized_pwr_state(
 99		const struct dc *dc,
100		struct dc_state *context)
101{
102	dc->clk_mgr->funcs->update_clocks(
103			dc->clk_mgr,
104			context,
105			false);
106}
107
108void dcn21_optimize_pwr_state(
109		const struct dc *dc,
110		struct dc_state *context)
111{
112	dc->clk_mgr->funcs->update_clocks(
113			dc->clk_mgr,
114			context,
115			true);
116}
117
118/* If user hotplug a HDMI monitor while in monitor off,
119 * OS will do a mode set (with output timing) but keep output off.
120 * In this case DAL will ask vbios to power up the pll in the PHY.
121 * If user unplug the monitor (while we are on monitor off) or
122 * system attempt to enter modern standby (which we will disable PLL),
123 * PHY will hang on the next mode set attempt.
124 * if enable PLL follow by disable PLL (without executing lane enable/disable),
125 * RDPCS_PHY_DP_MPLLB_STATE remains 1,
126 * which indicate that PLL disable attempt actually didn't go through.
127 * As a workaround, insert PHY lane enable/disable before PLL disable.
128 */
129void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx)
130{
131	if (!pipe_ctx->stream->dpms_off)
132		return;
133
134	pipe_ctx->stream->dpms_off = false;
135	pipe_ctx->stream->ctx->dc->link_srv->set_dpms_on(context, pipe_ctx);
136	pipe_ctx->stream->ctx->dc->link_srv->set_dpms_off(pipe_ctx);
137	pipe_ctx->stream->dpms_off = true;
138}
139
140bool dcn21_dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst,
141		uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst)
142{
143	union dmub_rb_cmd cmd;
144	struct dc_context *dc = abm->ctx;
145	uint8_t ramping_boundary = 0xFF;
146
147	memset(&cmd, 0, sizeof(cmd));
148	cmd.abm_set_pipe.header.type = DMUB_CMD__ABM;
149	cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE;
150	cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = otg_inst;
151	cmd.abm_set_pipe.abm_set_pipe_data.pwrseq_inst = pwrseq_inst;
152	cmd.abm_set_pipe.abm_set_pipe_data.set_pipe_option = option;
153	cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = panel_inst;
154	cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary;
155	cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data);
156
157	dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
158
159	return true;
160}
161
162static void dmub_abm_set_backlight(struct dc_context *dc, uint32_t backlight_pwm_u16_16,
163									uint32_t frame_ramp, uint32_t panel_inst)
164{
165	union dmub_rb_cmd cmd;
166
167	memset(&cmd, 0, sizeof(cmd));
168	cmd.abm_set_backlight.header.type = DMUB_CMD__ABM;
169	cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
170	cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp;
171	cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_pwm_u16_16;
172	cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1;
173	cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst);
174	cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data);
175
176	dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
177}
178
179void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx)
180{
181	struct abm *abm = pipe_ctx->stream_res.abm;
182	uint32_t otg_inst = pipe_ctx->stream_res.tg->inst;
183	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
184	struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
185
186	// make a short term w/a for an issue that backlight ramping unexpectedly paused in the middle,
187	// will decouple backlight from ABM and redefine DMUB interface, then this w/a could be removed
188	if (pipe_ctx->stream->abm_level == 0 || pipe_ctx->stream->abm_level == ABM_LEVEL_IMMEDIATE_DISABLE) {
189		return;
190	}
191
192	if (dmcu) {
193		dce110_set_abm_immediate_disable(pipe_ctx);
194		return;
195	}
196
197	if (abm && panel_cntl) {
198		if (abm->funcs && abm->funcs->set_pipe_ex) {
199			abm->funcs->set_pipe_ex(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE,
200					panel_cntl->inst, panel_cntl->pwrseq_inst);
201		} else {
202			dcn21_dmub_abm_set_pipe(abm,
203						otg_inst,
204						SET_ABM_PIPE_IMMEDIATELY_DISABLE,
205						panel_cntl->inst,
206						panel_cntl->pwrseq_inst);
207		}
208		panel_cntl->funcs->store_backlight_level(panel_cntl);
209	}
210}
211
212void dcn21_set_pipe(struct pipe_ctx *pipe_ctx)
213{
214	struct abm *abm = pipe_ctx->stream_res.abm;
215	struct timing_generator *tg = pipe_ctx->stream_res.tg;
216	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
217	struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
218	uint32_t otg_inst;
219
220	if (!abm || !tg || !panel_cntl)
221		return;
222
223	otg_inst = tg->inst;
224
225	if (dmcu) {
226		dce110_set_pipe(pipe_ctx);
227		return;
228	}
229
230	if (abm->funcs && abm->funcs->set_pipe_ex) {
231		abm->funcs->set_pipe_ex(abm,
232					otg_inst,
233					SET_ABM_PIPE_NORMAL,
234					panel_cntl->inst,
235					panel_cntl->pwrseq_inst);
236	} else {
237			dcn21_dmub_abm_set_pipe(abm, otg_inst,
238				  SET_ABM_PIPE_NORMAL,
239				  panel_cntl->inst,
240				  panel_cntl->pwrseq_inst);
241	}
242}
243
244bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
245	struct set_backlight_level_params *backlight_level_params)
246{
247	struct dc_context *dc = pipe_ctx->stream->ctx;
248	struct abm *abm = pipe_ctx->stream_res.abm;
249	struct timing_generator *tg = pipe_ctx->stream_res.tg;
250	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
251	uint32_t otg_inst;
252	uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16;
253	uint32_t frame_ramp = backlight_level_params->frame_ramp;
254
255	if (!abm || !tg || !panel_cntl)
256		return false;
257
258	otg_inst = tg->inst;
259
260	if (dc->dc->res_pool->dmcu) {
261		dce110_set_backlight_level(pipe_ctx, backlight_level_params);
262		return true;
263	}
264
265	if (abm->funcs && abm->funcs->set_pipe_ex) {
266		abm->funcs->set_pipe_ex(abm,
267					otg_inst,
268					SET_ABM_PIPE_NORMAL,
269					panel_cntl->inst,
270					panel_cntl->pwrseq_inst);
271	} else {
272			dcn21_dmub_abm_set_pipe(abm,
273				  otg_inst,
274				  SET_ABM_PIPE_NORMAL,
275				  panel_cntl->inst,
276				  panel_cntl->pwrseq_inst);
277	}
278
279	if (abm->funcs && abm->funcs->set_backlight_level_pwm)
280		abm->funcs->set_backlight_level_pwm(abm, backlight_pwm_u16_16,
281			frame_ramp, 0, panel_cntl->inst);
282	else
283		dmub_abm_set_backlight(dc, backlight_pwm_u16_16, frame_ramp, panel_cntl->inst);
284
285	return true;
286}
287
288bool dcn21_is_abm_supported(struct dc *dc,
289		struct dc_state *context, struct dc_stream_state *stream)
290{
291	int i;
292
293	for (i = 0; i < dc->res_pool->pipe_count; i++) {
294		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
295
296		if (pipe_ctx->stream == stream &&
297				(pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL))
298			return true;
299	}
300	return false;
301}
302