From 5b5abe9526073ccbf3032d27b5864520829cdd9c Mon Sep 17 00:00:00 2001 From: Anthony Koo Date: Mon, 9 Dec 2019 17:26:34 -0500 Subject: drm/amd/display: make PSR static screen entry within 30 ms [Why] With different refresh rate panels, the PSR entry/exit time is different since it is dependent on 2 frame entry time today [How] Make static screen num frame entry time to be calculated such that entry time is within 30 ms instead of fixed num frames. Signed-off-by: Anthony Koo Reviewed-by: Tony Cheng Acked-by: Aric Cyr Acked-by: Harry Wentland Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 32 ++++++++++++++++---- drivers/gpu/drm/amd/display/dc/core/dc.c | 6 ++-- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 +- drivers/gpu/drm/amd/display/dc/dc.h | 13 ++++---- drivers/gpu/drm/amd/display/dc/dc_stream.h | 4 +-- drivers/gpu/drm/amd/display/dc/dc_types.h | 2 +- .../amd/display/dc/dce110/dce110_hw_sequencer.c | 35 +++++++++++++--------- .../display/dc/dce110/dce110_timing_generator.c | 11 +++++-- .../display/dc/dce110/dce110_timing_generator.h | 3 +- .../display/dc/dce120/dce120_timing_generator.c | 11 +++++-- .../drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 23 +++++++------- .../drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h | 2 +- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 15 ++++++---- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h | 3 +- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 6 +++- .../drm/amd/display/dc/inc/hw/timing_generator.h | 3 +- drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h | 4 +-- .../drm/amd/display/dc/inc/hw_sequencer_private.h | 2 +- 18 files changed, 116 insertions(+), 61 deletions(-) (limited to 'drivers/gpu/drm/amd/display') diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 504278d94c22..9402374d2466 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8393,17 +8393,37 @@ static bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream) bool amdgpu_dm_psr_enable(struct dc_stream_state *stream) { struct dc_link *link = stream->link; - struct dc_static_screen_events triggers = {0}; + unsigned int vsync_rate_hz = 0; + struct dc_static_screen_params params = {0}; + /* Calculate number of static frames before generating interrupt to + * enter PSR. + */ + unsigned int frame_time_microsec = 1000000 / vsync_rate_hz; + // Init fail safe of 2 frames static + unsigned int num_frames_static = 2; DRM_DEBUG_DRIVER("Enabling psr...\n"); - triggers.cursor_update = true; - triggers.overlay_update = true; - triggers.surface_update = true; + vsync_rate_hz = div64_u64(div64_u64(( + stream->timing.pix_clk_100hz * 100), + stream->timing.v_total), + stream->timing.h_total); + + /* Round up + * Calculate number of frames such that at least 30 ms of time has + * passed. + */ + if (vsync_rate_hz != 0) + num_frames_static = (30000 / frame_time_microsec) + 1; + + params.triggers.cursor_update = true; + params.triggers.overlay_update = true; + params.triggers.surface_update = true; + params.num_frames = num_frames_static; - dc_stream_set_static_screen_events(link->ctx->dc, + dc_stream_set_static_screen_params(link->ctx->dc, &stream, 1, - &triggers); + ¶ms); return dc_link_set_psr_allow_active(link, true, false); } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index c918a0cd8c60..6c797fac189d 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -510,10 +510,10 @@ bool dc_stream_program_csc_matrix(struct dc *dc, struct dc_stream_state *stream) return ret; } -void dc_stream_set_static_screen_events(struct dc *dc, +void dc_stream_set_static_screen_params(struct dc *dc, struct dc_stream_state **streams, int num_streams, - const struct dc_static_screen_events *events) + const struct dc_static_screen_params *params) { int i = 0; int j = 0; @@ -532,7 +532,7 @@ void dc_stream_set_static_screen_events(struct dc *dc, } } - dc->hwss.set_static_screen_control(pipes_affected, num_pipes_affected, events); + dc->hwss.set_static_screen_control(pipes_affected, num_pipes_affected, params); } static void dc_destruct(struct dc *dc) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 17f00cbbdc44..26dce397c34c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2542,7 +2542,7 @@ bool dc_link_setup_psr(struct dc_link *link, transmitter_to_phy_id(link->link_enc->transmitter); psr_context->crtcTimingVerticalTotal = stream->timing.v_total; - psr_context->vsyncRateHz = div64_u64(div64_u64((stream-> + psr_context->vsync_rate_hz = div64_u64(div64_u64((stream-> timing.pix_clk_100hz * 100), stream->timing.v_total), stream->timing.h_total); diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index e1c11af2bcaf..7639fa074c6e 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -157,11 +157,14 @@ struct dc_surface_dcc_cap { bool const_color_support; }; -struct dc_static_screen_events { - bool force_trigger; - bool cursor_update; - bool surface_update; - bool overlay_update; +struct dc_static_screen_params { + struct { + bool force_trigger; + bool cursor_update; + bool surface_update; + bool overlay_update; + } triggers; + unsigned int num_frames; }; diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 37c10dbf269e..92096de79dec 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -439,10 +439,10 @@ bool dc_stream_get_crc(struct dc *dc, uint32_t *g_y, uint32_t *b_cb); -void dc_stream_set_static_screen_events(struct dc *dc, +void dc_stream_set_static_screen_params(struct dc *dc, struct dc_stream_state **stream, int num_streams, - const struct dc_static_screen_events *events); + const struct dc_static_screen_params *params); void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream, enum dc_dynamic_expansion option); diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 4b5b97520733..e59532d98cb4 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -729,7 +729,7 @@ struct psr_context { /* The VSync rate in Hz used to calculate the * step size for smooth brightness feature */ - unsigned int vsyncRateHz; + unsigned int vsync_rate_hz; unsigned int skipPsrWaitForPllLock; unsigned int numberOfControllers; /* Unused, for future use. To indicate that first changed frame from diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 4939cf3b316f..5b689273ff44 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1373,9 +1373,13 @@ static enum dc_status apply_single_controller_ctx_to_hw( // DRR should set trigger event to monitor surface update event if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0) event_triggers = 0x80; + /* Event triggers and num frames initialized for DRR, but can be + * later updated for PSR use. Note DRR trigger events are generated + * regardless of whether num frames met. + */ if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control) pipe_ctx->stream_res.tg->funcs->set_static_screen_control( - pipe_ctx->stream_res.tg, event_triggers); + pipe_ctx->stream_res.tg, event_triggers, 2); if (!dc_is_virtual_signal(pipe_ctx->stream->signal)) pipe_ctx->stream_res.stream_enc->funcs->dig_connect_to_otg( @@ -1706,6 +1710,8 @@ static void set_drr(struct pipe_ctx **pipe_ctx, struct drr_params params = {0}; // DRR should set trigger event to monitor surface update event unsigned int event_triggers = 0x80; + // Note DRR trigger events are generated regardless of whether num frames met. + unsigned int num_frames = 2; params.vertical_total_max = vmax; params.vertical_total_min = vmin; @@ -1721,7 +1727,7 @@ static void set_drr(struct pipe_ctx **pipe_ctx, if (vmax != 0 && vmin != 0) pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control( pipe_ctx[i]->stream_res.tg, - event_triggers); + event_triggers, num_frames); } } @@ -1738,30 +1744,31 @@ static void get_position(struct pipe_ctx **pipe_ctx, } static void set_static_screen_control(struct pipe_ctx **pipe_ctx, - int num_pipes, const struct dc_static_screen_events *events) + int num_pipes, const struct dc_static_screen_params *params) { unsigned int i; - unsigned int value = 0; + unsigned int triggers = 0; - if (events->overlay_update) - value |= 0x100; - if (events->surface_update) - value |= 0x80; - if (events->cursor_update) - value |= 0x2; - if (events->force_trigger) - value |= 0x1; + if (params->triggers.overlay_update) + triggers |= 0x100; + if (params->triggers.surface_update) + triggers |= 0x80; + if (params->triggers.cursor_update) + triggers |= 0x2; + if (params->triggers.force_trigger) + triggers |= 0x1; if (num_pipes) { struct dc *dc = pipe_ctx[0]->stream->ctx->dc; if (dc->fbc_compressor) - value |= 0x84; + triggers |= 0x84; } for (i = 0; i < num_pipes; i++) pipe_ctx[i]->stream_res.tg->funcs-> - set_static_screen_control(pipe_ctx[i]->stream_res.tg, value); + set_static_screen_control(pipe_ctx[i]->stream_res.tg, + triggers, params->num_frames); } /* diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c index 5f7c2c5641c4..1ea7db8eeb98 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c @@ -469,22 +469,27 @@ void dce110_timing_generator_set_drr( void dce110_timing_generator_set_static_screen_control( struct timing_generator *tg, - uint32_t value) + uint32_t event_triggers, + uint32_t num_frames) { struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); uint32_t static_screen_cntl = 0; uint32_t addr = 0; + // By register spec, it only takes 8 bit value + if (num_frames > 0xFF) + num_frames = 0xFF; + addr = CRTC_REG(mmCRTC_STATIC_SCREEN_CONTROL); static_screen_cntl = dm_read_reg(tg->ctx, addr); set_reg_field_value(static_screen_cntl, - value, + event_triggers, CRTC_STATIC_SCREEN_CONTROL, CRTC_STATIC_SCREEN_EVENT_MASK); set_reg_field_value(static_screen_cntl, - 2, + num_frames, CRTC_STATIC_SCREEN_CONTROL, CRTC_STATIC_SCREEN_FRAME_COUNT); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h index 768ccf27ada9..d8a5ed7b485d 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h @@ -231,7 +231,8 @@ void dce110_timing_generator_set_drr( void dce110_timing_generator_set_static_screen_control( struct timing_generator *tg, - uint32_t value); + uint32_t event_triggers, + uint32_t num_frames); void dce110_timing_generator_get_crtc_scanoutpos( struct timing_generator *tg, diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c index 098e56962f2a..82bc4e192bbf 100644 --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c @@ -819,13 +819,18 @@ void dce120_tg_set_colors(struct timing_generator *tg, static void dce120_timing_generator_set_static_screen_control( struct timing_generator *tg, - uint32_t value) + uint32_t event_triggers, + uint32_t num_frames) { struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); + // By register spec, it only takes 8 bit value + if (num_frames > 0xFF) + num_frames = 0xFF; + CRTC_REG_UPDATE_2(CRTC0_CRTC_STATIC_SCREEN_CONTROL, - CRTC_STATIC_SCREEN_EVENT_MASK, value, - CRTC_STATIC_SCREEN_FRAME_COUNT, 2); + CRTC_STATIC_SCREEN_EVENT_MASK, event_triggers, + CRTC_STATIC_SCREEN_FRAME_COUNT, num_frames); } void dce120_timing_generator_set_test_pattern( diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 2baff3cd0ae5..5347a85f10d7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -2704,6 +2704,8 @@ void dcn10_set_drr(struct pipe_ctx **pipe_ctx, struct drr_params params = {0}; // DRR set trigger event mapped to OTG_TRIG_A (bit 11) for manual control flow unsigned int event_triggers = 0x800; + // Note DRR trigger events are generated regardless of whether num frames met. + unsigned int num_frames = 2; params.vertical_total_max = vmax; params.vertical_total_min = vmin; @@ -2720,7 +2722,7 @@ void dcn10_set_drr(struct pipe_ctx **pipe_ctx, if (vmax != 0 && vmin != 0) pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control( pipe_ctx[i]->stream_res.tg, - event_triggers); + event_triggers, num_frames); } } @@ -2737,21 +2739,22 @@ void dcn10_get_position(struct pipe_ctx **pipe_ctx, } void dcn10_set_static_screen_control(struct pipe_ctx **pipe_ctx, - int num_pipes, const struct dc_static_screen_events *events) + int num_pipes, const struct dc_static_screen_params *params) { unsigned int i; - unsigned int value = 0; + unsigned int triggers = 0; - if (events->surface_update) - value |= 0x80; - if (events->cursor_update) - value |= 0x2; - if (events->force_trigger) - value |= 0x1; + if (params->triggers.surface_update) + triggers |= 0x80; + if (params->triggers.cursor_update) + triggers |= 0x2; + if (params->triggers.force_trigger) + triggers |= 0x1; for (i = 0; i < num_pipes; i++) pipe_ctx[i]->stream_res.tg->funcs-> - set_static_screen_control(pipe_ctx[i]->stream_res.tg, value); + set_static_screen_control(pipe_ctx[i]->stream_res.tg, + triggers, params->num_frames); } static void dcn10_config_stereo_parameters( diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h index 55b8f3b2fc4e..4d20f6586bb5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h @@ -132,7 +132,7 @@ void dcn10_get_position(struct pipe_ctx **pipe_ctx, int num_pipes, struct crtc_position *position); void dcn10_set_static_screen_control(struct pipe_ctx **pipe_ctx, - int num_pipes, const struct dc_static_screen_events *events); + int num_pipes, const struct dc_static_screen_params *params); void dcn10_setup_stereo(struct pipe_ctx *pipe_ctx, struct dc *dc); void dce110_set_avmute(struct pipe_ctx *pipe_ctx, bool enable); void dcn10_log_hw_state(struct dc *dc, diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c index cd7412dc42d1..a9a43b397db9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -789,21 +789,26 @@ void optc1_set_early_control( void optc1_set_static_screen_control( struct timing_generator *optc, - uint32_t value) + uint32_t event_triggers, + uint32_t num_frames) { struct optc *optc1 = DCN10TG_FROM_TG(optc); + // By register spec, it only takes 8 bit value + if (num_frames > 0xFF) + num_frames = 0xFF; + /* Bit 8 is no longer applicable in RV for PSR case, * set bit 8 to 0 if given */ - if ((value & STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN) + if ((event_triggers & STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN) != 0) - value = value & + event_triggers = event_triggers & ~STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN; REG_SET_2(OTG_STATIC_SCREEN_CONTROL, 0, - OTG_STATIC_SCREEN_EVENT_MASK, value, - OTG_STATIC_SCREEN_FRAME_COUNT, 2); + OTG_STATIC_SCREEN_EVENT_MASK, event_triggers, + OTG_STATIC_SCREEN_FRAME_COUNT, num_frames); } void optc1_setup_manual_trigger(struct timing_generator *optc) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h index 3afeb1a30f21..f277656d5464 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h @@ -625,7 +625,8 @@ void optc1_set_drr( void optc1_set_static_screen_control( struct timing_generator *optc, - uint32_t value); + uint32_t event_triggers, + uint32_t num_frames); void optc1_program_stereo(struct timing_generator *optc, const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags); diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index 5b9cbedaa0de..89920924a154 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -686,9 +686,13 @@ enum dc_status dcn20_enable_stream_timing( // DRR should set trigger event to monitor surface update event if (stream->adjust.v_total_min != 0 && stream->adjust.v_total_max != 0) event_triggers = 0x80; + /* Event triggers and num frames initialized for DRR, but can be + * later updated for PSR use. Note DRR trigger events are generated + * regardless of whether num frames met. + */ if (pipe_ctx->stream_res.tg->funcs->set_static_screen_control) pipe_ctx->stream_res.tg->funcs->set_static_screen_control( - pipe_ctx->stream_res.tg, event_triggers); + pipe_ctx->stream_res.tg, event_triggers, 2); /* TODO program crtc source select for non-virtual signal*/ /* TODO program FMT */ diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h index 2d3efd71fa51..e5e7d94026fc 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h @@ -208,7 +208,8 @@ struct timing_generator_funcs { bool enable, const struct dc_crtc_timing *timing); void (*set_drr)(struct timing_generator *tg, const struct drr_params *params); void (*set_static_screen_control)(struct timing_generator *tg, - uint32_t value); + uint32_t event_triggers, + uint32_t num_frames); void (*set_test_pattern)( struct timing_generator *tg, enum controller_dp_test_pattern test_pattern, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h index df3204645c6b..209118f9f193 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h @@ -42,7 +42,7 @@ struct dc_state; struct dc_stream_status; struct dc_writeback_info; struct dchub_init_data; -struct dc_static_screen_events; +struct dc_static_screen_params; struct resource_pool; struct dc_phy_addr_space_config; struct dc_virtual_addr_space_config; @@ -102,7 +102,7 @@ struct hw_sequencer_funcs { unsigned int vmid, unsigned int vmid_frame_number); void (*set_static_screen_control)(struct pipe_ctx **pipe_ctx, int num_pipes, - const struct dc_static_screen_events *events); + const struct dc_static_screen_params *events); /* Stream Related */ void (*enable_stream)(struct pipe_ctx *pipe_ctx); diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h index 8ba06f015975..ecf566378ccd 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h @@ -51,7 +51,7 @@ struct dc_state; struct dc_stream_status; struct dc_writeback_info; struct dchub_init_data; -struct dc_static_screen_events; +struct dc_static_screen_params; struct resource_pool; struct resource_context; struct stream_resource; -- cgit v1.2.3