Commit b5175966 authored Feb 16, 2022 by Shah Dharati Committed by Alex Deucher Mar 02, 2022

drm/amd/display: Adding a dc_debug option and dmub setting to use PHY FSM for PSR



[Why]
PSR Power on/off is done in PSR. Add a dc_debug option
and dmub setting to use PHY implementation of this instead.

[How]
Add a dc_debug option and dmub setting to use
PHY FSM Power up/down for PSR.

Co-authored-by: Shah Dharati <dharati.shah@amd.com>
Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Shah Dharati <dharati.shah@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 91dcfe5f

drivers/gpu/drm/amd/display/dc/dc.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -710,6 +710,7 @@ struct dc_debug_options {
		#endif
		bool apply_vendor_specific_lttpr_wa;
		bool ignore_dpref_ss;
		uint8_t psr_power_use_phy_fsm;
		};

		struct gpu_info_soc_bounding_box_v1_0;

drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -320,6 +320,7 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub,
		copy_settings_data->otg_inst = 0;

		// Misc
		copy_settings_data->use_phy_fsm = link->ctx->dc->debug.psr_power_use_phy_fsm;
		copy_settings_data->psr_level = psr_context->psr_level.u32all;
		copy_settings_data->smu_optimizations_en = psr_context->allow_smu_optimizations;
		copy_settings_data->multi_disp_optimizations_en = psr_context->allow_multi_disp_optimizations;

drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1035,6 +1035,7 @@ static const struct dc_debug_options debug_defaults_drv = {
		},
		.optimize_edp_link_rate = true,
		.enable_sw_cntl_psr = true,
		.psr_power_use_phy_fsm = 0,
		};

		static const struct dc_debug_options debug_defaults_diags = {

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

+6 −2

Original line number	Diff line number	Diff line
		@@ -1560,10 +1560,14 @@ struct dmub_cmd_psr_copy_settings_data {
		* DSC enable status in driver
		*/
		uint8_t dsc_enable_status;
		/*
		* Use FSM state for PSR power up/down
		*/
		uint8_t use_phy_fsm;
		/**
		* Explicit padding to 3 byte boundary.
		* Explicit padding to 2 byte boundary.
		*/
		uint8_t pad3[3];
		uint8_t pad3[2];
		};

		/**