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

Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Samson Tam 2018-03-01 11:06:34 -05:00 committed by Alex Deucher
parent df534fff0d
commit 5231f5d112
1 changed files with 26 additions and 0 deletions
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26
drivers/gpu/drm/amd/display/modules/freesync/freesync.c
View File

@ -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;