diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 46 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h | 2 |
2 files changed, 41 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index d7ba895de765..653a571e366d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -1870,12 +1870,14 @@ static bool dcn30_split_stream_for_mpc_or_odm( return true; } -static bool dcn30_fast_validate_bw( + +static bool dcn30_internal_validate_bw( struct dc *dc, struct dc_state *context, display_e2e_pipe_params_st *pipes, int *pipe_cnt_out, - int *vlevel_out) + int *vlevel_out, + bool fast_validate) { bool out = false; bool repopulate_pipes = false; @@ -1898,7 +1900,38 @@ static bool dcn30_fast_validate_bw( dml_log_pipe_params(&context->bw_ctx.dml, pipes, pipe_cnt); - vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt); + if (!fast_validate) { + /* + * DML favors voltage over p-state, but we're more interested in + * supporting p-state over voltage. We can't support p-state in + * prefetch mode > 0 so try capping the prefetch mode to start. + */ + context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank = + dm_allow_self_refresh_and_mclk_switch; + vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt); + /* This may adjust vlevel and maxMpcComb */ + if (vlevel < context->bw_ctx.dml.soc.num_states) + vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge); + } + if (fast_validate || vlevel == context->bw_ctx.dml.soc.num_states || + vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported) { + /* + * If mode is unsupported or there's still no p-state support then + * fall back to favoring voltage. + * + * We don't actually support prefetch mode 2, so require that we + * at least support prefetch mode 1. + */ + context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank = + dm_allow_self_refresh; + + vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt); + if (vlevel < context->bw_ctx.dml.soc.num_states) { + memset(split, 0, sizeof(split)); + memset(merge, 0, sizeof(merge)); + vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge); + } + } dml_log_mode_support_params(&context->bw_ctx.dml); @@ -1938,8 +1971,6 @@ static bool dcn30_fast_validate_bw( pipe_idx++; } - vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge); - /* merge pipes if necessary */ for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; @@ -2187,7 +2218,8 @@ static void dcn30_calculate_wm( } } -bool dcn30_validate_bandwidth(struct dc *dc, struct dc_state *context, +bool dcn30_validate_bandwidth(struct dc *dc, + struct dc_state *context, bool fast_validate) { bool out = false; @@ -2201,7 +2233,7 @@ bool dcn30_validate_bandwidth(struct dc *dc, struct dc_state *context, BW_VAL_TRACE_COUNT(); - out = dcn30_fast_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel); + out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate); if (pipe_cnt == 0) goto validate_out; diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h index 0fac7f754604..6ab74640c0da 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h @@ -24,6 +24,7 @@ */ #include "dc_features.h" +#include "display_mode_enums.h" #ifndef __DISPLAY_MODE_STRUCTS_H__ #define __DISPLAY_MODE_STRUCTS_H__ @@ -120,6 +121,7 @@ struct _vcs_dpi_soc_bounding_box_st { double urgent_latency_adjustment_fabric_clock_reference_mhz; bool disable_dram_clock_change_vactive_support; bool allow_dram_clock_one_display_vactive; + enum self_refresh_affinity allow_dram_self_refresh_or_dram_clock_change_in_vblank; }; struct _vcs_dpi_ip_params_st { |