From b8fe56375f78835db47565d91ea9d21767fe3c08 Mon Sep 17 00:00:00 2001 From: Leon Huang Date: Tue, 8 Nov 2022 16:29:13 +0800 Subject: drm/amd/display: Refactor ABM feature [Why] Refactor ABM feature and implement inbox command for DMUB. [How] Implement the ioctl to send inbox command to DMUB. Reviewed-by: Rodrigo Siqueira Signed-off-by: Leon Huang Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/inc/hw/abm.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw') diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h index ecb4191b6e64..db5cf9acafe6 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h @@ -55,6 +55,12 @@ struct abm_funcs { unsigned int bytes, unsigned int inst); bool (*set_abm_pause)(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int otg_inst); + bool (*set_pipe_ex)(struct abm *abm, + unsigned int otg_inst, + unsigned int option, + unsigned int panel_inst); + bool (*set_abm_event)(struct abm *abm, unsigned int full_screen, unsigned int video_mode, + unsigned int hdr_mode, unsigned int panel_inst); }; #endif -- cgit v1.2.3 From 9c25ab167df412a5474dedfd0e7743e76bc89cbe Mon Sep 17 00:00:00 2001 From: Sung Lee Date: Mon, 10 Apr 2023 14:15:14 -0400 Subject: drm/amd/display: Add p-state debugging [WHY] P-State related issues are fairly common but currently there is no way to debug these issues after the fact. [HOW] Add helpful registers to HW state queries Tested-by: Daniel Wheeler Reviewed-by: Aric Cyr Reviewed-by: Jun Lei Acked-by: Rodrigo Siqueira Signed-off-by: Sung Lee Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c | 5 +++++ drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h | 1 + drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 3 ++- drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c | 3 +++ drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h | 1 + 5 files changed, 12 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw') diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c index 24bd93219936..0ddd310cc971 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c @@ -623,6 +623,11 @@ void hubbub2_read_state(struct hubbub *hubbub, struct dcn_hubbub_state *hubbub_s REG_GET(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_VMID, &hubbub_state->vm_error_vmid); REG_GET(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_PIPE, &hubbub_state->vm_error_pipe); } + + if (REG(DCHUBBUB_TEST_DEBUG_INDEX) && REG(DCHUBBUB_TEST_DEBUG_DATA)) { + REG_WRITE(DCHUBBUB_TEST_DEBUG_INDEX, 0x6); + hubbub_state->test_debug_data = REG_READ(DCHUBBUB_TEST_DEBUG_DATA); + } } static const struct hubbub_funcs hubbub2_funcs = { diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h index beb26dc8a07f..aa80b3f2ca3f 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h @@ -111,6 +111,7 @@ struct dcn_hubbub_state { uint32_t vm_error_vmid; uint32_t vm_error_pipe; uint32_t vm_error_mode; + uint32_t test_debug_data; }; struct hubbub_funcs { diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index d35432c21856..7c9a2b34bd05 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -271,7 +271,7 @@ struct dmub_srv_hw_params { */ struct dmub_diagnostic_data { uint32_t dmcub_version; - uint32_t scratch[16]; + uint32_t scratch[17]; uint32_t pc; uint32_t undefined_address_fault_addr; uint32_t inst_fetch_fault_addr; @@ -282,6 +282,7 @@ struct dmub_diagnostic_data { uint32_t inbox0_rptr; uint32_t inbox0_wptr; uint32_t inbox0_size; + uint32_t gpint_datain0; uint8_t is_dmcub_enabled : 1; uint8_t is_dmcub_soft_reset : 1; uint8_t is_dmcub_secure_reset : 1; diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c index 21dd6cbdb106..bf5994e292d9 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c @@ -439,6 +439,7 @@ void dmub_dcn32_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti diag_data->scratch[13] = REG_READ(DMCUB_SCRATCH13); diag_data->scratch[14] = REG_READ(DMCUB_SCRATCH14); diag_data->scratch[15] = REG_READ(DMCUB_SCRATCH15); + diag_data->scratch[16] = REG_READ(DMCUB_SCRATCH16); diag_data->undefined_address_fault_addr = REG_READ(DMCUB_UNDEFINED_ADDRESS_FAULT_ADDR); diag_data->inst_fetch_fault_addr = REG_READ(DMCUB_INST_FETCH_FAULT_ADDR); @@ -469,6 +470,8 @@ void dmub_dcn32_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti REG_GET(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE, &is_cw6_enabled); diag_data->is_cw6_enabled = is_cw6_enabled; + + diag_data->gpint_datain0 = REG_READ(DMCUB_GPINT_DATAIN0); } void dmub_dcn32_configure_dmub_in_system_memory(struct dmub_srv *dmub) { diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h index f15336b6e22b..d58a1e4b9f1c 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h @@ -107,6 +107,7 @@ struct dmub_srv; DMUB_SR(DMCUB_SCRATCH15) \ DMUB_SR(DMCUB_SCRATCH16) \ DMUB_SR(DMCUB_SCRATCH17) \ + DMUB_SR(DMCUB_GPINT_DATAIN0) \ DMUB_SR(DMCUB_GPINT_DATAIN1) \ DMUB_SR(DMCUB_GPINT_DATAOUT) \ DMUB_SR(CC_DC_PIPE_DIS) \ -- cgit v1.2.3 From 738b3469f8e12ae72555ef4724bebe8167a93e29 Mon Sep 17 00:00:00 2001 From: Sung Lee Date: Fri, 21 Apr 2023 12:03:16 -0400 Subject: drm/amd/display: Add additional pstate registers to HW state query [WHY] These registers would be useful to know when debugging pstate issues. [HOW] Add additional registers to hw state query. Reviewed-by: Aric Cyr Reviewed-by: Jun Lei Acked-by: Alex Hung Signed-off-by: Sung Lee Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h | 2 ++ drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c | 6 ++++++ drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c | 6 ++++++ drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h | 2 ++ 4 files changed, 16 insertions(+) (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw') diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h index 0b17c2993ca5..09784222cc03 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h @@ -690,6 +690,8 @@ struct dcn_hubp_state { uint32_t primary_surface_addr_hi; uint32_t primary_meta_addr_lo; uint32_t primary_meta_addr_hi; + uint32_t uclk_pstate_force; + uint32_t hubp_cntl; }; struct dcn10_hubp { diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c index 0ddd310cc971..6eebcb22e317 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c @@ -628,6 +628,12 @@ void hubbub2_read_state(struct hubbub *hubbub, struct dcn_hubbub_state *hubbub_s REG_WRITE(DCHUBBUB_TEST_DEBUG_INDEX, 0x6); hubbub_state->test_debug_data = REG_READ(DCHUBBUB_TEST_DEBUG_DATA); } + + if (REG(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL)) + hubbub_state->watermark_change_cntl = REG_READ(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL); + + if (REG(DCHUBBUB_ARB_DRAM_STATE_CNTL)) + hubbub_state->dram_state_cntl = REG_READ(DCHUBBUB_ARB_DRAM_STATE_CNTL); } static const struct hubbub_funcs hubbub2_funcs = { diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c index e46bbe7ddcc9..2861d974fcf6 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c @@ -449,6 +449,12 @@ void hubp3_read_state(struct hubp *hubp) SWATH_HEIGHT_C, &rq_regs->rq_regs_c.swath_height, PTE_ROW_HEIGHT_LINEAR_C, &rq_regs->rq_regs_c.pte_row_height_linear); + if (REG(UCLK_PSTATE_FORCE)) + s->uclk_pstate_force = REG_READ(UCLK_PSTATE_FORCE); + + if (REG(DCHUBP_CNTL)) + s->hubp_cntl = REG_READ(DCHUBP_CNTL); + } void hubp3_setup( diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h index aa80b3f2ca3f..aaa293613846 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h @@ -112,6 +112,8 @@ struct dcn_hubbub_state { uint32_t vm_error_pipe; uint32_t vm_error_mode; uint32_t test_debug_data; + uint32_t watermark_change_cntl; + uint32_t dram_state_cntl; }; struct hubbub_funcs { -- cgit v1.2.3 From fd73c8507675f6bccc039cf319f183e41e447cb7 Mon Sep 17 00:00:00 2001 From: Hamza Mahfooz Date: Wed, 17 May 2023 13:49:29 -0400 Subject: drm/amd/display: drop unused function set_abm_event() set_abm_event() is never actually used. So, drop it. Fixes: b8fe56375f78 ("drm/amd/display: Refactor ABM feature") Reported-by: kernel test robot Reported-by: Tom Rix Reviewed-by: Rodrigo Siqueira Signed-off-by: Hamza Mahfooz Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c | 12 ------------ drivers/gpu/drm/amd/display/dc/inc/hw/abm.h | 2 -- 2 files changed, 14 deletions(-) (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw') diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c index a66f83a61402..2fb9572ce25d 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c @@ -131,17 +131,6 @@ static bool dmub_abm_set_pipe_ex(struct abm *abm, uint32_t otg_inst, uint32_t op return ret; } -static bool dmub_abm_set_event_ex(struct abm *abm, unsigned int full_screen, unsigned int video_mode, - unsigned int hdr_mode, unsigned int panel_inst) -{ - bool ret = false; - unsigned int feature_support; - - feature_support = abm_feature_support(abm, panel_inst); - - return ret; -} - static bool dmub_abm_set_backlight_level_pwm_ex(struct abm *abm, unsigned int backlight_pwm_u16_16, unsigned int frame_ramp, @@ -167,7 +156,6 @@ static const struct abm_funcs abm_funcs = { .init_abm_config = dmub_abm_init_config_ex, .set_abm_pause = dmub_abm_set_pause_ex, .set_pipe_ex = dmub_abm_set_pipe_ex, - .set_abm_event = dmub_abm_set_event_ex, .set_backlight_level_pwm = dmub_abm_set_backlight_level_pwm_ex, }; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h index db5cf9acafe6..d2190a3320f6 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h @@ -59,8 +59,6 @@ struct abm_funcs { unsigned int otg_inst, unsigned int option, unsigned int panel_inst); - bool (*set_abm_event)(struct abm *abm, unsigned int full_screen, unsigned int video_mode, - unsigned int hdr_mode, unsigned int panel_inst); }; #endif -- cgit v1.2.3 From 3e8d74cb128fb1a4d56270ffbecea6056c55739a Mon Sep 17 00:00:00 2001 From: Saaem Rizvi Date: Tue, 9 May 2023 14:41:59 -0400 Subject: drm/amd/display: Trigger DIO FIFO resync on commit streams [WHY] Currently, there is an intermittent issue where a screen can either go blank or be corrupted. [HOW] To resolve the issue we trigger the ramping logic for DIO FIFO so that it goes back up to the correct speed. Reviewed-by: Nicholas Kazlauskas Acked-by: Tom Chung Signed-off-by: Saaem Rizvi Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h | 4 +++- .../gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c | 11 +++++++++ .../gpu/drm/amd/display/dc/dcn314/dcn314_dccg.h | 5 +++- .../gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c | 27 ++++++++++++++++++++++ .../gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h | 2 ++ .../gpu/drm/amd/display/dc/dcn314/dcn314_init.c | 1 + drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h | 3 +++ .../drm/amd/display/dc/inc/hw_sequencer_private.h | 2 ++ 9 files changed, 56 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw') 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 8d2460d06bce..1a0be40d125c 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 @@ -2291,6 +2291,9 @@ enum dc_status dce110_apply_ctx_to_hw( if (DC_OK != status) return status; + + if (hws->funcs.resync_fifo_dccg_dio) + hws->funcs.resync_fifo_dccg_dio(hws, dc, context); } if (dc->fbc_compressor) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h index 7bdc146f7cb5..c8602bcfa393 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h @@ -208,7 +208,9 @@ #define DCCG314_REG_FIELD_LIST(type) \ type DSCCLK3_DTO_PHASE;\ type DSCCLK3_DTO_MODULO;\ - type DSCCLK3_DTO_ENABLE; + type DSCCLK3_DTO_ENABLE;\ + type DENTIST_DISPCLK_RDIVIDER;\ + type DENTIST_DISPCLK_WDIVIDER; #define DCCG32_REG_FIELD_LIST(type) \ type DPSTREAMCLK0_EN;\ diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c index de7bfba2c179..e0e7d32bb1a0 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c @@ -45,6 +45,16 @@ #define DC_LOGGER \ dccg->ctx->logger +static void dccg314_trigger_dio_fifo_resync( + struct dccg *dccg) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + uint32_t dispclk_rdivider_value = 0; + + REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_RDIVIDER, &dispclk_rdivider_value); + REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, dispclk_rdivider_value); +} + static void dccg314_get_pixel_rate_div( struct dccg *dccg, uint32_t otg_inst, @@ -357,6 +367,7 @@ static const struct dccg_funcs dccg314_funcs = { .disable_dsc = dccg31_disable_dscclk, .enable_dsc = dccg31_enable_dscclk, .set_pixel_rate_div = dccg314_set_pixel_rate_div, + .trigger_dio_fifo_resync = dccg314_trigger_dio_fifo_resync, .set_valid_pixel_rate = dccg314_set_valid_pixel_rate, }; diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.h b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.h index 90687a9e8fdd..8e07d3151f91 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.h +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.h @@ -192,7 +192,10 @@ DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYBSYMCLK_GATE_DISABLE, mask_sh),\ DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYCSYMCLK_GATE_DISABLE, mask_sh),\ DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYDSYMCLK_GATE_DISABLE, mask_sh),\ - DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYESYMCLK_GATE_DISABLE, mask_sh) + DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYESYMCLK_GATE_DISABLE, mask_sh),\ + DCCG_SF(HDMISTREAMCLK0_DTO_PARAM, HDMISTREAMCLK0_DTO_MODULO, mask_sh),\ + DCCG_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_RDIVIDER, mask_sh),\ + DCCG_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh) struct dccg *dccg314_create( struct dc_context *ctx, diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c index f7a3e0d71d01..70fac2ebb757 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c @@ -390,6 +390,33 @@ void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx) pix_per_cycle); } +void dcn314_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context) +{ + uint8_t i; + struct pipe_ctx *pipe = NULL; + bool otg_disabled[MAX_PIPES] = {false}; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->top_pipe || pipe->prev_odm_pipe) + continue; + + if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal))) { + pipe->stream_res.tg->funcs->disable_crtc(pipe->stream_res.tg); + reset_sync_context_for_pipe(dc, context, i); + otg_disabled[i] = true; + } + } + + hws->ctx->dc->res_pool->dccg->funcs->trigger_dio_fifo_resync(hws->ctx->dc->res_pool->dccg); + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + if (otg_disabled[i]) + pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); + } +} + void dcn314_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool clock_on) { if (!hws->ctx->dc->debug.root_clock_optimization.bits.dpp) diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h index 6d0b62503caa..559d71002e8a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.h @@ -41,6 +41,8 @@ unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsig void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx); +void dcn314_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context); + void dcn314_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on); void dcn314_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool clock_on); diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c index 7a28c7bb25d2..90be62c05822 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c @@ -152,6 +152,7 @@ static const struct hwseq_private_funcs dcn314_private_funcs = { .setup_hpo_hw_control = dcn31_setup_hpo_hw_control, .calculate_dccg_k1_k2_values = dcn314_calculate_dccg_k1_k2_values, .set_pixels_per_cycle = dcn314_set_pixels_per_cycle, + .resync_fifo_dccg_dio = dcn314_resync_fifo_dccg_dio, }; void dcn314_hw_sequencer_construct(struct dc *dc) diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h index ad6acd1b34e1..0b700b3d7d97 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h @@ -159,6 +159,9 @@ struct dccg_funcs { int otg_inst, int pixclk_khz); + void (*trigger_dio_fifo_resync)( + struct dccg *dccg); + void (*dpp_root_clock_control)( struct dccg *dccg, unsigned int dpp_inst, 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 4513544559be..4ca4192c1e12 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 @@ -160,6 +160,8 @@ struct hwseq_private_funcs { unsigned int *k1_div, unsigned int *k2_div); void (*set_pixels_per_cycle)(struct pipe_ctx *pipe_ctx); + void (*resync_fifo_dccg_dio)(struct dce_hwseq *hws, struct dc *dc, + struct dc_state *context); bool (*is_dp_dig_pixel_rate_div_policy)(struct pipe_ctx *pipe_ctx); #endif }; -- cgit v1.2.3 From 3b718dcaf163d17fe907ea098c8449e0cd6bc271 Mon Sep 17 00:00:00 2001 From: Austin Zheng Date: Wed, 24 May 2023 11:52:12 -0400 Subject: drm/amd/display: Filter out AC mode frequencies on DC mode systems Why: Limit maximum clock speeds to DC mode limits for DC mode systems How: Store DC mode limits when individual clocks are initialized and cap the values when building the clock table Acked-by: Stylon Wang Signed-off-by: Austin Zheng Reviewed-by: Alvin Lee Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- .../amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | 13 +- drivers/gpu/drm/amd/display/dc/dc.h | 1 + .../gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 140 ++++++++++++++------ .../gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c | 144 +++++++++++++++------ drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | 1 + 5 files changed, 216 insertions(+), 83 deletions(-) (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw') diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c index 20bff6a346ba..96fa68f166e0 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c @@ -182,23 +182,32 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base) dcn32_init_single_clock(clk_mgr, PPCLK_DCFCLK, &clk_mgr_base->bw_params->clk_table.entries[0].dcfclk_mhz, &num_entries_per_clk->num_dcfclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.dcfclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DCFCLK); /* SOCCLK */ dcn32_init_single_clock(clk_mgr, PPCLK_SOCCLK, &clk_mgr_base->bw_params->clk_table.entries[0].socclk_mhz, &num_entries_per_clk->num_socclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.socclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_SOCCLK); /* DTBCLK */ - if (!clk_mgr->base.ctx->dc->debug.disable_dtb_ref_clk_switch) + if (!clk_mgr->base.ctx->dc->debug.disable_dtb_ref_clk_switch) { dcn32_init_single_clock(clk_mgr, PPCLK_DTBCLK, &clk_mgr_base->bw_params->clk_table.entries[0].dtbclk_mhz, &num_entries_per_clk->num_dtbclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.dtbclk_mhz = + dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DTBCLK); + } /* DISPCLK */ dcn32_init_single_clock(clk_mgr, PPCLK_DISPCLK, &clk_mgr_base->bw_params->clk_table.entries[0].dispclk_mhz, &num_entries_per_clk->num_dispclk_levels); num_levels = num_entries_per_clk->num_dispclk_levels; + clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DISPCLK); + //HW recommends limit of 1950 MHz in display clock for all DCN3.2.x + if (clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz > 1950) + clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz = 1950; if (num_entries_per_clk->num_dcfclk_levels && num_entries_per_clk->num_dtbclk_levels && @@ -817,6 +826,7 @@ static void dcn32_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) dcn32_init_single_clock(clk_mgr, PPCLK_UCLK, &clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz, &num_entries_per_clk->num_memclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.memclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_UCLK); /* memclk must have at least one level */ num_entries_per_clk->num_memclk_levels = num_entries_per_clk->num_memclk_levels ? num_entries_per_clk->num_memclk_levels : 1; @@ -824,6 +834,7 @@ static void dcn32_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) dcn32_init_single_clock(clk_mgr, PPCLK_FCLK, &clk_mgr_base->bw_params->clk_table.entries[0].fclk_mhz, &num_entries_per_clk->num_fclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.fclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_FCLK); if (num_entries_per_clk->num_memclk_levels >= num_entries_per_clk->num_fclk_levels) { num_levels = num_entries_per_clk->num_memclk_levels; diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 7ded574f84ff..360dd83b1a7a 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -897,6 +897,7 @@ struct dc_debug_options { uint32_t fpo_vactive_min_active_margin_us; uint32_t fpo_vactive_max_blank_us; bool enable_legacy_fast_update; + bool disable_dc_mode_overwrite; }; struct gpu_info_soc_bounding_box_v1_0; diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index ad6ee48580f8..fa3678342abb 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -2325,14 +2325,48 @@ void dcn32_patch_dpm_table(struct clk_bw_params *bw_params) bw_params->clk_table.entries[0].memclk_mhz = dcn3_2_soc.clock_limits[0].dram_speed_mts / 16; } -static int build_synthetic_soc_states(struct clk_bw_params *bw_params, +/* + * override_max_clk_values - Overwrite the max clock frequencies with the max DC mode timings + * Input: + * max_clk_limit - struct containing the desired clock timings + * Output: + * curr_clk_limit - struct containing the timings that need to be overwritten + * Return: 0 upon success, non-zero for failure + */ +static int override_max_clk_values(struct clk_limit_table_entry *max_clk_limit, + struct clk_limit_table_entry *curr_clk_limit) +{ + if (NULL == max_clk_limit || NULL == curr_clk_limit) + return -1; //invalid parameters + + //only overwrite if desired max clock frequency is initialized + if (max_clk_limit->dcfclk_mhz != 0) + curr_clk_limit->dcfclk_mhz = max_clk_limit->dcfclk_mhz; + + if (max_clk_limit->fclk_mhz != 0) + curr_clk_limit->fclk_mhz = max_clk_limit->fclk_mhz; + + if (max_clk_limit->memclk_mhz != 0) + curr_clk_limit->memclk_mhz = max_clk_limit->memclk_mhz; + + if (max_clk_limit->socclk_mhz != 0) + curr_clk_limit->socclk_mhz = max_clk_limit->socclk_mhz; + + if (max_clk_limit->dtbclk_mhz != 0) + curr_clk_limit->dtbclk_mhz = max_clk_limit->dtbclk_mhz; + + if (max_clk_limit->dispclk_mhz != 0) + curr_clk_limit->dispclk_mhz = max_clk_limit->dispclk_mhz; + + return 0; +} + +static int build_synthetic_soc_states(bool disable_dc_mode_overwrite, struct clk_bw_params *bw_params, struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries) { int i, j; struct _vcs_dpi_voltage_scaling_st entry = {0}; - - unsigned int max_dcfclk_mhz = 0, max_dispclk_mhz = 0, max_dppclk_mhz = 0, - max_phyclk_mhz = 0, max_dtbclk_mhz = 0, max_fclk_mhz = 0, max_uclk_mhz = 0; + struct clk_limit_table_entry max_clk_data = {0}; unsigned int min_dcfclk_mhz = 199, min_fclk_mhz = 299; @@ -2343,51 +2377,76 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, unsigned int num_fclk_dpms = 0; unsigned int num_dcfclk_dpms = 0; - for (i = 0; i < MAX_NUM_DPM_LVL; i++) { - if (bw_params->clk_table.entries[i].dcfclk_mhz > max_dcfclk_mhz) - max_dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz; - if (bw_params->clk_table.entries[i].fclk_mhz > max_fclk_mhz) - max_fclk_mhz = bw_params->clk_table.entries[i].fclk_mhz; - if (bw_params->clk_table.entries[i].memclk_mhz > max_uclk_mhz) - max_uclk_mhz = bw_params->clk_table.entries[i].memclk_mhz; - if (bw_params->clk_table.entries[i].dispclk_mhz > max_dispclk_mhz) - max_dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz; - if (bw_params->clk_table.entries[i].dppclk_mhz > max_dppclk_mhz) - max_dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz; - if (bw_params->clk_table.entries[i].phyclk_mhz > max_phyclk_mhz) - max_phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz; - if (bw_params->clk_table.entries[i].dtbclk_mhz > max_dtbclk_mhz) - max_dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz; + unsigned int num_dc_uclk_dpms = 0; + unsigned int num_dc_fclk_dpms = 0; + unsigned int num_dc_dcfclk_dpms = 0; - if (bw_params->clk_table.entries[i].memclk_mhz > 0) + for (i = 0; i < MAX_NUM_DPM_LVL; i++) { + if (bw_params->clk_table.entries[i].dcfclk_mhz > max_clk_data.dcfclk_mhz) + max_clk_data.dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz; + if (bw_params->clk_table.entries[i].fclk_mhz > max_clk_data.fclk_mhz) + max_clk_data.fclk_mhz = bw_params->clk_table.entries[i].fclk_mhz; + if (bw_params->clk_table.entries[i].memclk_mhz > max_clk_data.memclk_mhz) + max_clk_data.memclk_mhz = bw_params->clk_table.entries[i].memclk_mhz; + if (bw_params->clk_table.entries[i].dispclk_mhz > max_clk_data.dispclk_mhz) + max_clk_data.dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz; + if (bw_params->clk_table.entries[i].dppclk_mhz > max_clk_data.dppclk_mhz) + max_clk_data.dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz; + if (bw_params->clk_table.entries[i].phyclk_mhz > max_clk_data.phyclk_mhz) + max_clk_data.phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz; + if (bw_params->clk_table.entries[i].dtbclk_mhz > max_clk_data.dtbclk_mhz) + max_clk_data.dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz; + + if (bw_params->clk_table.entries[i].memclk_mhz > 0) { num_uclk_dpms++; - if (bw_params->clk_table.entries[i].fclk_mhz > 0) + if (bw_params->clk_table.entries[i].memclk_mhz <= bw_params->dc_mode_limit.memclk_mhz) + num_dc_uclk_dpms++; + } + if (bw_params->clk_table.entries[i].fclk_mhz > 0) { num_fclk_dpms++; - if (bw_params->clk_table.entries[i].dcfclk_mhz > 0) + if (bw_params->clk_table.entries[i].fclk_mhz <= bw_params->dc_mode_limit.fclk_mhz) + num_dc_fclk_dpms++; + } + if (bw_params->clk_table.entries[i].dcfclk_mhz > 0) { num_dcfclk_dpms++; + if (bw_params->clk_table.entries[i].dcfclk_mhz <= bw_params->dc_mode_limit.dcfclk_mhz) + num_dc_dcfclk_dpms++; + } + } + + if (!disable_dc_mode_overwrite) { + //Overwrite max frequencies with max DC mode frequencies for DC mode systems + override_max_clk_values(&bw_params->dc_mode_limit, &max_clk_data); + num_uclk_dpms = num_dc_uclk_dpms; + num_fclk_dpms = num_dc_fclk_dpms; + num_dcfclk_dpms = num_dc_dcfclk_dpms; + bw_params->clk_table.num_entries_per_clk.num_memclk_levels = num_uclk_dpms; + bw_params->clk_table.num_entries_per_clk.num_fclk_levels = num_fclk_dpms; } if (num_dcfclk_dpms > 0 && bw_params->clk_table.entries[0].fclk_mhz > min_fclk_mhz) min_fclk_mhz = bw_params->clk_table.entries[0].fclk_mhz; - if (!max_dcfclk_mhz || !max_dispclk_mhz || !max_dtbclk_mhz) + if (!max_clk_data.dcfclk_mhz || !max_clk_data.dispclk_mhz || !max_clk_data.dtbclk_mhz) return -1; - if (max_dppclk_mhz == 0) - max_dppclk_mhz = max_dispclk_mhz; + if (max_clk_data.dppclk_mhz == 0) + max_clk_data.dppclk_mhz = max_clk_data.dispclk_mhz; - if (max_fclk_mhz == 0) - max_fclk_mhz = max_dcfclk_mhz * dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / dcn3_2_soc.pct_ideal_fabric_bw_after_urgent; + if (max_clk_data.fclk_mhz == 0) + max_clk_data.fclk_mhz = max_clk_data.dcfclk_mhz * + dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / + dcn3_2_soc.pct_ideal_fabric_bw_after_urgent; - if (max_phyclk_mhz == 0) - max_phyclk_mhz = dcn3_2_soc.clock_limits[0].phyclk_mhz; + if (max_clk_data.phyclk_mhz == 0) + max_clk_data.phyclk_mhz = dcn3_2_soc.clock_limits[0].phyclk_mhz; *num_entries = 0; - entry.dispclk_mhz = max_dispclk_mhz; - entry.dscclk_mhz = max_dispclk_mhz / 3; - entry.dppclk_mhz = max_dppclk_mhz; - entry.dtbclk_mhz = max_dtbclk_mhz; - entry.phyclk_mhz = max_phyclk_mhz; + entry.dispclk_mhz = max_clk_data.dispclk_mhz; + entry.dscclk_mhz = max_clk_data.dispclk_mhz / 3; + entry.dppclk_mhz = max_clk_data.dppclk_mhz; + entry.dtbclk_mhz = max_clk_data.dtbclk_mhz; + entry.phyclk_mhz = max_clk_data.phyclk_mhz; entry.phyclk_d18_mhz = dcn3_2_soc.clock_limits[0].phyclk_d18_mhz; entry.phyclk_d32_mhz = dcn3_2_soc.clock_limits[0].phyclk_d32_mhz; @@ -2401,7 +2460,7 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, } // Insert the max DCFCLK - entry.dcfclk_mhz = max_dcfclk_mhz; + entry.dcfclk_mhz = max_clk_data.dcfclk_mhz; entry.fabricclk_mhz = 0; entry.dram_speed_mts = 0; @@ -2429,7 +2488,7 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, // If FCLK fine grained, only insert max else { entry.dcfclk_mhz = 0; - entry.fabricclk_mhz = max_fclk_mhz; + entry.fabricclk_mhz = max_clk_data.fclk_mhz; entry.dram_speed_mts = 0; insert_entry_into_table_sorted(table, num_entries, &entry); @@ -2441,9 +2500,9 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, // Remove states that require higher clocks than are supported for (i = *num_entries - 1; i >= 0 ; i--) { - if (table[i].dcfclk_mhz > max_dcfclk_mhz || - table[i].fabricclk_mhz > max_fclk_mhz || - table[i].dram_speed_mts > max_uclk_mhz * 16) + if (table[i].dcfclk_mhz > max_clk_data.dcfclk_mhz || + table[i].fabricclk_mhz > max_clk_data.fclk_mhz || + table[i].dram_speed_mts > max_clk_data.memclk_mhz * 16) remove_entry_from_table_at_index(table, num_entries, i); } @@ -2756,7 +2815,8 @@ void dcn32_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_pa dcn3_2_soc.clock_limits[i].phyclk_d32_mhz = dcn3_2_soc.clock_limits[0].phyclk_d32_mhz; } } else { - build_synthetic_soc_states(bw_params, dcn3_2_soc.clock_limits, &dcn3_2_soc.num_states); + build_synthetic_soc_states(dc->debug.disable_dc_mode_overwrite, bw_params, + dcn3_2_soc.clock_limits, &dcn3_2_soc.num_states); } /* Re-init DML with updated bb */ diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c index 1aaff6f2d453..f0683fd9d3f0 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c @@ -252,14 +252,48 @@ static void remove_entry_from_table_at_index(struct _vcs_dpi_voltage_scaling_st memset(&table[--(*num_entries)], 0, sizeof(struct _vcs_dpi_voltage_scaling_st)); } -static int build_synthetic_soc_states(struct clk_bw_params *bw_params, +/* + * override_max_clk_values - Overwrite the max clock frequencies with the max DC mode timings + * Input: + * max_clk_limit - struct containing the desired clock timings + * Output: + * curr_clk_limit - struct containing the timings that need to be overwritten + * Return: 0 upon success, non-zero for failure + */ +static int override_max_clk_values(struct clk_limit_table_entry *max_clk_limit, + struct clk_limit_table_entry *curr_clk_limit) +{ + if (NULL == max_clk_limit || NULL == curr_clk_limit) + return -1; //invalid parameters + + //only overwrite if desired max clock frequency is initialized + if (max_clk_limit->dcfclk_mhz != 0) + curr_clk_limit->dcfclk_mhz = max_clk_limit->dcfclk_mhz; + + if (max_clk_limit->fclk_mhz != 0) + curr_clk_limit->fclk_mhz = max_clk_limit->fclk_mhz; + + if (max_clk_limit->memclk_mhz != 0) + curr_clk_limit->memclk_mhz = max_clk_limit->memclk_mhz; + + if (max_clk_limit->socclk_mhz != 0) + curr_clk_limit->socclk_mhz = max_clk_limit->socclk_mhz; + + if (max_clk_limit->dtbclk_mhz != 0) + curr_clk_limit->dtbclk_mhz = max_clk_limit->dtbclk_mhz; + + if (max_clk_limit->dispclk_mhz != 0) + curr_clk_limit->dispclk_mhz = max_clk_limit->dispclk_mhz; + + return 0; +} + +static int build_synthetic_soc_states(bool disable_dc_mode_overwrite, struct clk_bw_params *bw_params, struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries) { int i, j; struct _vcs_dpi_voltage_scaling_st entry = {0}; - - unsigned int max_dcfclk_mhz = 0, max_dispclk_mhz = 0, max_dppclk_mhz = 0, - max_phyclk_mhz = 0, max_dtbclk_mhz = 0, max_fclk_mhz = 0, max_uclk_mhz = 0; + struct clk_limit_table_entry max_clk_data = {0}; unsigned int min_dcfclk_mhz = 199, min_fclk_mhz = 299; @@ -270,53 +304,78 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, unsigned int num_fclk_dpms = 0; unsigned int num_dcfclk_dpms = 0; + unsigned int num_dc_uclk_dpms = 0; + unsigned int num_dc_fclk_dpms = 0; + unsigned int num_dc_dcfclk_dpms = 0; + for (i = 0; i < MAX_NUM_DPM_LVL; i++) { - if (bw_params->clk_table.entries[i].dcfclk_mhz > max_dcfclk_mhz) - max_dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz; - if (bw_params->clk_table.entries[i].fclk_mhz > max_fclk_mhz) - max_fclk_mhz = bw_params->clk_table.entries[i].fclk_mhz; - if (bw_params->clk_table.entries[i].memclk_mhz > max_uclk_mhz) - max_uclk_mhz = bw_params->clk_table.entries[i].memclk_mhz; - if (bw_params->clk_table.entries[i].dispclk_mhz > max_dispclk_mhz) - max_dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz; - if (bw_params->clk_table.entries[i].dppclk_mhz > max_dppclk_mhz) - max_dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz; - if (bw_params->clk_table.entries[i].phyclk_mhz > max_phyclk_mhz) - max_phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz; - if (bw_params->clk_table.entries[i].dtbclk_mhz > max_dtbclk_mhz) - max_dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz; - - if (bw_params->clk_table.entries[i].memclk_mhz > 0) + if (bw_params->clk_table.entries[i].dcfclk_mhz > max_clk_data.dcfclk_mhz) + max_clk_data.dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz; + if (bw_params->clk_table.entries[i].fclk_mhz > max_clk_data.fclk_mhz) + max_clk_data.fclk_mhz = bw_params->clk_table.entries[i].fclk_mhz; + if (bw_params->clk_table.entries[i].memclk_mhz > max_clk_data.memclk_mhz) + max_clk_data.memclk_mhz = bw_params->clk_table.entries[i].memclk_mhz; + if (bw_params->clk_table.entries[i].dispclk_mhz > max_clk_data.dispclk_mhz) + max_clk_data.dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz; + if (bw_params->clk_table.entries[i].dppclk_mhz > max_clk_data.dppclk_mhz) + max_clk_data.dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz; + if (bw_params->clk_table.entries[i].phyclk_mhz > max_clk_data.phyclk_mhz) + max_clk_data.phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz; + if (bw_params->clk_table.entries[i].dtbclk_mhz > max_clk_data.dtbclk_mhz) + max_clk_data.dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz; + + if (bw_params->clk_table.entries[i].memclk_mhz > 0) { num_uclk_dpms++; - if (bw_params->clk_table.entries[i].fclk_mhz > 0) + if (bw_params->clk_table.entries[i].memclk_mhz <= bw_params->dc_mode_limit.memclk_mhz) + num_dc_uclk_dpms++; + } + if (bw_params->clk_table.entries[i].fclk_mhz > 0) { num_fclk_dpms++; - if (bw_params->clk_table.entries[i].dcfclk_mhz > 0) + if (bw_params->clk_table.entries[i].fclk_mhz <= bw_params->dc_mode_limit.fclk_mhz) + num_dc_fclk_dpms++; + } + if (bw_params->clk_table.entries[i].dcfclk_mhz > 0) { num_dcfclk_dpms++; + if (bw_params->clk_table.entries[i].dcfclk_mhz <= bw_params->dc_mode_limit.dcfclk_mhz) + num_dc_dcfclk_dpms++; + } + } + + if (!disable_dc_mode_overwrite) { + //Overwrite max frequencies with max DC mode frequencies for DC mode systems + override_max_clk_values(&bw_params->dc_mode_limit, &max_clk_data); + num_uclk_dpms = num_dc_uclk_dpms; + num_fclk_dpms = num_dc_fclk_dpms; + num_dcfclk_dpms = num_dc_dcfclk_dpms; + bw_params->clk_table.num_entries_per_clk.num_memclk_levels = num_uclk_dpms; + bw_params->clk_table.num_entries_per_clk.num_fclk_levels = num_fclk_dpms; } if (num_dcfclk_dpms > 0 && bw_params->clk_table.entries[0].fclk_mhz > min_fclk_mhz) min_fclk_mhz = bw_params->clk_table.entries[0].fclk_mhz; - if (!max_dcfclk_mhz || !max_dispclk_mhz || !max_dtbclk_mhz) + if (!max_clk_data.dcfclk_mhz || !max_clk_data.dispclk_mhz || !max_clk_data.dtbclk_mhz) return -1; - if (max_dppclk_mhz == 0) - max_dppclk_mhz = max_dispclk_mhz; + if (max_clk_data.dppclk_mhz == 0) + max_clk_data.dppclk_mhz = max_clk_data.dispclk_mhz; - if (max_fclk_mhz == 0) - max_fclk_mhz = max_dcfclk_mhz * dcn3_21_soc.pct_ideal_sdp_bw_after_urgent / dcn3_21_soc.pct_ideal_fabric_bw_after_urgent; + if (max_clk_data.fclk_mhz == 0) + max_clk_data.fclk_mhz = max_clk_data.dcfclk_mhz * + dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / + dcn3_2_soc.pct_ideal_fabric_bw_after_urgent; - if (max_phyclk_mhz == 0) - max_phyclk_mhz = dcn3_21_soc.clock_limits[0].phyclk_mhz; + if (max_clk_data.phyclk_mhz == 0) + max_clk_data.phyclk_mhz = dcn3_2_soc.clock_limits[0].phyclk_mhz; *num_entries = 0; - entry.dispclk_mhz = max_dispclk_mhz; - entry.dscclk_mhz = max_dispclk_mhz / 3; - entry.dppclk_mhz = max_dppclk_mhz; - entry.dtbclk_mhz = max_dtbclk_mhz; - entry.phyclk_mhz = max_phyclk_mhz; - entry.phyclk_d18_mhz = dcn3_21_soc.clock_limits[0].phyclk_d18_mhz; - entry.phyclk_d32_mhz = dcn3_21_soc.clock_limits[0].phyclk_d32_mhz; + entry.dispclk_mhz = max_clk_data.dispclk_mhz; + entry.dscclk_mhz = max_clk_data.dispclk_mhz / 3; + entry.dppclk_mhz = max_clk_data.dppclk_mhz; + entry.dtbclk_mhz = max_clk_data.dtbclk_mhz; + entry.phyclk_mhz = max_clk_data.phyclk_mhz; + entry.phyclk_d18_mhz = dcn3_2_soc.clock_limits[0].phyclk_d18_mhz; + entry.phyclk_d32_mhz = dcn3_2_soc.clock_limits[0].phyclk_d32_mhz; // Insert all the DCFCLK STAs for (i = 0; i < num_dcfclk_stas; i++) { @@ -328,7 +387,7 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, } // Insert the max DCFCLK - entry.dcfclk_mhz = max_dcfclk_mhz; + entry.dcfclk_mhz = max_clk_data.dcfclk_mhz; entry.fabricclk_mhz = 0; entry.dram_speed_mts = 0; @@ -356,7 +415,7 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, // If FCLK fine grained, only insert max else { entry.dcfclk_mhz = 0; - entry.fabricclk_mhz = max_fclk_mhz; + entry.fabricclk_mhz = max_clk_data.fclk_mhz; entry.dram_speed_mts = 0; dcn321_insert_entry_into_table_sorted(table, num_entries, &entry); @@ -368,9 +427,9 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, // Remove states that require higher clocks than are supported for (i = *num_entries - 1; i >= 0 ; i--) { - if (table[i].dcfclk_mhz > max_dcfclk_mhz || - table[i].fabricclk_mhz > max_fclk_mhz || - table[i].dram_speed_mts > max_uclk_mhz * 16) + if (table[i].dcfclk_mhz > max_clk_data.dcfclk_mhz || + table[i].fabricclk_mhz > max_clk_data.fclk_mhz || + table[i].dram_speed_mts > max_clk_data.memclk_mhz * 16) remove_entry_from_table_at_index(table, num_entries, i); } @@ -689,7 +748,8 @@ void dcn321_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_p dcn3_21_soc.clock_limits[i].phyclk_d32_mhz = dcn3_21_soc.clock_limits[0].phyclk_d32_mhz; } } else { - build_synthetic_soc_states(bw_params, dcn3_21_soc.clock_limits, &dcn3_21_soc.num_states); + build_synthetic_soc_states(dc->debug.disable_dc_mode_overwrite, bw_params, + dcn3_21_soc.clock_limits, &dcn3_21_soc.num_states); } /* Re-init DML with updated bb */ diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h index bef843cc32a1..6faf40fa5c69 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h @@ -233,6 +233,7 @@ struct clk_bw_params { struct clk_limit_table clk_table; struct wm_table wm_table; struct dummy_pstate_entry dummy_pstate_table[4]; + struct clk_limit_table_entry dc_mode_limit; }; /* Public interfaces */ -- cgit v1.2.3