diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3764-drm-amd-display-add-support-for-regkey-LCDFreeSyncDe.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3764-drm-amd-display-add-support-for-regkey-LCDFreeSyncDe.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3764-drm-amd-display-add-support-for-regkey-LCDFreeSyncDe.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3764-drm-amd-display-add-support-for-regkey-LCDFreeSyncDe.patch new file mode 100644 index 00000000..c79d7cc8 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3764-drm-amd-display-add-support-for-regkey-LCDFreeSyncDe.patch @@ -0,0 +1,74 @@ +From 846f7318fb0afb68e8a0f63a3b3706288ce52630 Mon Sep 17 00:00:00 2001 +From: Samson Tam <Samson.Tam@amd.com> +Date: Thu, 1 Mar 2018 11:06:34 -0500 +Subject: [PATCH 3764/4131] 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> +--- + .../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 e849b70..27d4003 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; +-- +2.7.4 + |