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Commit 5231f5d1 authored by Samson Tam's avatar Samson Tam Committed by Alex Deucher
Browse files

drm/amd/display: add support for regkey "LCDFreeSyncDefault" 



Signed-off-by: default avatarSamson Tam <Samson.Tam@amd.com>
Reviewed-by: default avatarAnthony Koo <Anthony.Koo@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent df534fff

drivers/gpu/drm/amd/display/modules/freesync/freesync.c

+26 −0
Original line number Diff line number Diff line
@@ -46,6 +46,8 @@ 


#define FREESYNC_NO_STATIC_FOR_INTERNAL_REGKEY "DalFreeSyncNoStaticForInternal"



#define FREESYNC_DEFAULT_REGKEY "LCDFreeSyncDefault"



struct gradual_static_ramp {

	bool ramp_is_active;

	bool ramp_direction_is_up;
@@ -125,6 +127,8 @@ struct freesync_entity { 
struct freesync_registry_options {

	bool drr_external_supported;

	bool drr_internal_supported;

	bool lcd_freesync_default_set;

	int lcd_freesync_default_value;

};



struct core_freesync {
@@ -189,6 +193,16 @@ struct mod_freesync *mod_freesync_create(struct dc *dc) 
				(data & 1) ? false : true;

	}



	if (dm_read_persistent_data(dc->ctx, NULL, NULL,

			FREESYNC_DEFAULT_REGKEY,

			&data, sizeof(data), &flag)) {

		core_freesync->opts.lcd_freesync_default_set = true;

		core_freesync->opts.lcd_freesync_default_value = data;

	} else {

		core_freesync->opts.lcd_freesync_default_set = false;

		core_freesync->opts.lcd_freesync_default_value = 0;

	}



	return &core_freesync->public;



fail_construct:
@@ -294,6 +308,18 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, 
			core_freesync->map[core_freesync->num_entities].user_enable.

				enable_for_video =

				(persistent_freesync_enable & 4) ? true : false;

		/* If FreeSync display and LCDFreeSyncDefault is set, use as default values write back to userenable */

		} else if (caps->supported && (core_freesync->opts.lcd_freesync_default_set)) {

			core_freesync->map[core_freesync->num_entities].user_enable.enable_for_gaming =

				(core_freesync->opts.lcd_freesync_default_value & 1) ? true : false;

			core_freesync->map[core_freesync->num_entities].user_enable.enable_for_static =

				(core_freesync->opts.lcd_freesync_default_value & 2) ? true : false;

			core_freesync->map[core_freesync->num_entities].user_enable.enable_for_video =

				(core_freesync->opts.lcd_freesync_default_value & 4) ? true : false;

			dm_write_persistent_data(dc->ctx, stream->sink,

						FREESYNC_REGISTRY_NAME,

						"userenable", &core_freesync->opts.lcd_freesync_default_value,

						sizeof(int), &flag);

		} else {

			core_freesync->map[core_freesync->num_entities].user_enable.

					enable_for_gaming = false;