From: Austin Zheng Date: Wed, 24 Sep 2025 14:23:24 +0000 (-0400) Subject: drm/amd/display: Update P-state naming for clarity. X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e44ee152a5ea8ee1b5f5440a754a9fd17639f230;p=thirdparty%2Fkernel%2Flinux.git drm/amd/display: Update P-state naming for clarity. [Why & How] P-state can refer to different things like UCLK P-state, PPT, or temp read Update naming for clarity Reviewed-by: Dillon Varone Signed-off-by: Austin Zheng Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c index f809c4073b430..e7a0f46e12898 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c @@ -13024,7 +13024,7 @@ void dml2_core_calcs_get_informative(const struct dml2_core_internal_display_mod out->informative.mode_support_info.InvalidCombinationOfMALLUseForPState = mode_lib->ms.support.InvalidCombinationOfMALLUseForPState; out->informative.mode_support_info.ExceededMALLSize = mode_lib->ms.support.ExceededMALLSize; out->informative.mode_support_info.EnoughWritebackUnits = mode_lib->ms.support.EnoughWritebackUnits; - out->informative.mode_support_info.temp_read_or_ppt_support = mode_lib->ms.support.temp_read_or_ppt_support; + out->informative.mode_support_info.temp_read_or_ppt_support = mode_lib->ms.support.global_temp_read_or_ppt_supported; out->informative.mode_support_info.g6_temp_read_support = mode_lib->ms.support.g6_temp_read_support; out->informative.mode_support_info.ExceededMultistreamSlots = mode_lib->ms.support.ExceededMultistreamSlots; diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h index 051c31ec2f0e4..6d13d4c9b69a1 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h +++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h @@ -264,8 +264,11 @@ struct dml2_core_internal_mode_support_info { bool DCCMetaBufferSizeNotExceeded; enum dml2_pstate_change_support DRAMClockChangeSupport[DML2_MAX_PLANES]; enum dml2_pstate_change_support FCLKChangeSupport[DML2_MAX_PLANES]; + enum dml2_pstate_change_support temp_read_or_ppt_support[DML2_MAX_PLANES]; + bool global_dram_clock_change_support_required; bool global_dram_clock_change_supported; bool global_fclk_change_supported; + bool global_temp_read_or_ppt_supported; bool USRRetrainingSupport; bool AvgBandwidthSupport; bool UrgVactiveBandwidthSupport; @@ -336,7 +339,6 @@ struct dml2_core_internal_mode_support_info { bool incorrect_imall_usage; bool g6_temp_read_support; - bool temp_read_or_ppt_support; struct dml2_core_internal_watermarks watermarks; bool dcfclk_support; @@ -646,7 +648,7 @@ struct dml2_core_internal_mode_support { unsigned int DSTYAfterScaler[DML2_MAX_PLANES]; unsigned int DSTXAfterScaler[DML2_MAX_PLANES]; - enum dml2_pstate_method pstate_switch_modes[DML2_MAX_PLANES]; + enum dml2_pstate_method uclk_pstate_switch_modes[DML2_MAX_PLANES]; }; /// @brief A mega structure that houses various info for model programming step. @@ -837,6 +839,7 @@ struct dml2_core_internal_mode_program { double max_urgent_latency_us; double df_response_time_us; + enum dml2_pstate_method uclk_pstate_switch_modes[DML2_MAX_PLANES]; // ------------------- // Output // ------------------- @@ -963,11 +966,12 @@ struct dml2_core_internal_mode_program { double MaxActiveFCLKChangeLatencySupported; bool USRRetrainingSupport; bool g6_temp_read_support; - bool temp_read_or_ppt_support; enum dml2_pstate_change_support FCLKChangeSupport[DML2_MAX_PLANES]; enum dml2_pstate_change_support DRAMClockChangeSupport[DML2_MAX_PLANES]; + enum dml2_pstate_change_support temp_read_or_ppt_support[DML2_MAX_PLANES]; bool global_dram_clock_change_supported; bool global_fclk_change_supported; + bool global_temp_read_or_ppt_supported; double MaxActiveDRAMClockChangeLatencySupported[DML2_MAX_PLANES]; double WritebackAllowFCLKChangeEndPosition[DML2_MAX_PLANES]; double WritebackAllowDRAMClockChangeEndPosition[DML2_MAX_PLANES]; @@ -1313,7 +1317,7 @@ struct dml2_core_calcs_CalculateVMRowAndSwath_params { unsigned int HostVMMinPageSize; unsigned int DCCMetaBufferSizeBytes; bool mrq_present; - enum dml2_pstate_method *pstate_switch_modes; + enum dml2_pstate_method *uclk_pstate_switch_modes; // Output bool *PTEBufferSizeNotExceeded; @@ -1740,10 +1744,12 @@ struct dml2_core_calcs_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport_param unsigned int max_request_size_bytes; unsigned int *meta_row_height_l; unsigned int *meta_row_height_c; + enum dml2_pstate_method *uclk_pstate_switch_modes; // Output struct dml2_core_internal_watermarks *Watermark; enum dml2_pstate_change_support *DRAMClockChangeSupport; + bool *global_dram_clock_change_support_required; bool *global_dram_clock_change_supported; double *MaxActiveDRAMClockChangeLatencySupported; unsigned int *SubViewportLinesNeededInMALL; @@ -1754,10 +1760,10 @@ struct dml2_core_calcs_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport_param double *VActiveLatencyHidingMargin; double *VActiveLatencyHidingUs; bool *g6_temp_read_support; - bool *temp_read_or_ppt_support; + enum dml2_pstate_change_support *temp_read_or_ppt_support; + bool *global_temp_read_or_ppt_supported; }; - struct dml2_core_calcs_CalculateSwathAndDETConfiguration_params { const struct dml2_display_cfg *display_cfg; unsigned int ConfigReturnBufferSizeInKByte; diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_utils.c b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_utils.c index 5f301befed167..b57d0f6ea6a1c 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_utils.c +++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_utils.c @@ -306,6 +306,8 @@ void dml2_core_utils_print_mode_support_info(const struct dml2_core_internal_mod DML_LOG_VERBOSE("DML: support: ExceededMALLSize = %d\n", support->ExceededMALLSize); if (!fail_only || support->g6_temp_read_support == 0) DML_LOG_VERBOSE("DML: support: g6_temp_read_support = %d\n", support->g6_temp_read_support); + if (!fail_only || (support->global_dram_clock_change_supported == 0 && support->global_dram_clock_change_support_required)) + DML_LOG_VERBOSE("DML: support: dram_clock_change_support = %d\n", support->global_dram_clock_change_supported); if (!fail_only || support->ImmediateFlipSupport == 0) DML_LOG_VERBOSE("DML: support: ImmediateFlipSupport = %d\n", support->ImmediateFlipSupport); if (!fail_only || support->LinkCapacitySupport == 0)