From: Samson Tam <samson....@amd.com>
Signed-off-by: Samson Tam <samson....@amd.com>
Reviewed-by: Anthony Koo <anthony....@amd.com>
Acked-by: Harry Wentland <harry.wentl...@amd.com>
---
.../drm/amd/display/modules/freesync/freesync.c | 26 ++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index e849b704f2f6..27d4003aa2c7 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -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;
--
2.14.1
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