diff options
7 files changed, 43 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c index 4d359bb9b1ec..36797ed7ad8c 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c @@ -2227,6 +2227,29 @@ void dcn20_post_unlock_program_front_end( } } + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; + struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + /* When going from a smaller ODM slice count to larger, we must ensure double + * buffer update completes before we return to ensure we don't reduce DISPCLK + * before we've transitioned to 2:1 or 4:1 + */ + if (resource_is_pipe_type(old_pipe, OTG_MASTER) && resource_is_pipe_type(pipe, OTG_MASTER) && + resource_get_odm_slice_count(old_pipe) < resource_get_odm_slice_count(pipe) && + dc_state_get_pipe_subvp_type(context, pipe) != SUBVP_PHANTOM) { + int j = 0; + struct timing_generator *tg = pipe->stream_res.tg; + + + if (tg->funcs->get_double_buffer_pending) { + for (j = 0; j < TIMEOUT_FOR_PIPE_ENABLE_US / polling_interval_us + && tg->funcs->get_double_buffer_pending(tg); j++) + udelay(polling_interval_us); + } + } + } + if (dc->res_pool->hubbub->funcs->force_pstate_change_control) dc->res_pool->hubbub->funcs->force_pstate_change_control( dc->res_pool->hubbub, false, false); 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 cd4826f329c1..0f453452234c 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 @@ -340,6 +340,7 @@ struct timing_generator_funcs { void (*wait_drr_doublebuffer_pending_clear)(struct timing_generator *tg); void (*set_long_vtotal)(struct timing_generator *optc, const struct long_vtotal_params *params); void (*wait_odm_doublebuffer_pending_clear)(struct timing_generator *tg); + bool (*get_double_buffer_pending)(struct timing_generator *tg); }; #endif diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h index e3e70c1db040..369a13244e5e 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h @@ -562,7 +562,8 @@ struct dcn_optc_registers { type OTG_CRC_DATA_FORMAT;\ type OTG_V_TOTAL_LAST_USED_BY_DRR;\ type OTG_DRR_TIMING_DBUF_UPDATE_PENDING;\ - type OTG_H_TIMING_DIV_MODE_DB_UPDATE_PENDING; + type OTG_H_TIMING_DIV_MODE_DB_UPDATE_PENDING;\ + type OPTC_DOUBLE_BUFFER_PENDING;\ #define TG_REG_FIELD_LIST_DCN3_2(type) \ type OTG_H_TIMING_DIV_MODE_MANUAL; diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c index 6c837409df42..00094f0e8470 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c @@ -297,6 +297,18 @@ static void optc32_set_drr( optc32_setup_manual_trigger(optc); } +bool optc32_get_double_buffer_pending(struct timing_generator *optc) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + uint32_t update_pending = 0; + + REG_GET(OPTC_INPUT_GLOBAL_CONTROL, + OPTC_DOUBLE_BUFFER_PENDING, + &update_pending); + + return (update_pending == 1); +} + static struct timing_generator_funcs dcn32_tg_funcs = { .validate_timing = optc1_validate_timing, .program_timing = optc1_program_timing, @@ -361,6 +373,7 @@ static struct timing_generator_funcs dcn32_tg_funcs = { .setup_manual_trigger = optc2_setup_manual_trigger, .get_hw_timing = optc1_get_hw_timing, .is_two_pixels_per_container = optc1_is_two_pixels_per_container, + .get_double_buffer_pending = optc32_get_double_buffer_pending, }; void dcn32_timing_generator_init(struct optc *optc1) diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h index 0c2c14695561..665d7c52f67c 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.h @@ -116,6 +116,7 @@ SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_GATE_DIS, mask_sh),\ SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_OCCURRED_STATUS, mask_sh),\ SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_CLEAR, mask_sh),\ + SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_DOUBLE_BUFFER_PENDING, mask_sh),\ SF(VTG0_CONTROL, VTG0_ENABLE, mask_sh),\ SF(VTG0_CONTROL, VTG0_FP2, mask_sh),\ SF(VTG0_CONTROL, VTG0_VCOUNT_INIT, mask_sh),\ @@ -184,5 +185,6 @@ void optc32_get_odm_combine_segments(struct timing_generator *tg, int *odm_combi void optc32_set_odm_bypass(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing); void optc32_wait_odm_doublebuffer_pending_clear(struct timing_generator *tg); +bool optc32_get_double_buffer_pending(struct timing_generator *optc); #endif /* __DC_OPTC_DCN32_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.c b/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.c index fd1c8b45c40e..9f5c2efa7560 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.c +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.c @@ -459,6 +459,7 @@ static struct timing_generator_funcs dcn401_tg_funcs = { .setup_manual_trigger = optc2_setup_manual_trigger, .get_hw_timing = optc1_get_hw_timing, .is_two_pixels_per_container = optc1_is_two_pixels_per_container, + .get_double_buffer_pending = optc32_get_double_buffer_pending, }; void dcn401_timing_generator_init(struct optc *optc1) diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.h b/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.h index 1671fdd5061c..3114ecef332a 100644 --- a/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.h +++ b/drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.h @@ -94,6 +94,7 @@ SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_ON, mask_sh),\ SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_GATE_DIS, mask_sh),\ SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_OCCURRED_STATUS, mask_sh),\ + SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_DOUBLE_BUFFER_PENDING, mask_sh),\ SF(ODM0_OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_CLEAR, mask_sh),\ SF(VTG0_CONTROL, VTG0_ENABLE, mask_sh),\ SF(VTG0_CONTROL, VTG0_FP2, mask_sh),\ |