diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0381-drm-amd-display-Add-support-for-FreeSync-on-eDP-to-m.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0381-drm-amd-display-Add-support-for-FreeSync-on-eDP-to-m.patch | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0381-drm-amd-display-Add-support-for-FreeSync-on-eDP-to-m.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0381-drm-amd-display-Add-support-for-FreeSync-on-eDP-to-m.patch new file mode 100644 index 00000000..2aef9f11 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0381-drm-amd-display-Add-support-for-FreeSync-on-eDP-to-m.patch @@ -0,0 +1,110 @@ +From c8fa02425ccfe647499122b8f66a35df20d79828 Mon Sep 17 00:00:00 2001 +From: Eric Cook <Eric.Cook@amd.com> +Date: Thu, 27 Apr 2017 12:20:34 -0400 +Subject: [PATCH 0381/4131] drm/amd/display: Add support for FreeSync on eDP to + module + +Signed-off-by: Eric <eric.cook@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + .../drm/amd/display/modules/freesync/freesync.c | 42 +++++++++++++++++----- + 1 file changed, 33 insertions(+), 9 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +index 009cb79..82086a1 100644 +--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c ++++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +@@ -109,11 +109,16 @@ struct freesync_entity { + struct mod_freesync_user_enable user_enable; + }; + ++struct freesync_registry_options { ++ unsigned int min_refresh_from_edid; ++}; ++ + struct core_freesync { + struct mod_freesync public; + struct dc *dc; + struct freesync_entity *map; + int num_entities; ++ struct freesync_registry_options opts; + }; + + #define MOD_FREESYNC_TO_CORE(mod_freesync)\ +@@ -136,7 +141,7 @@ struct mod_freesync *mod_freesync_create(struct dc *dc) + + struct persistent_data_flag flag; + +- int i = 0; ++ int i, data = 0; + + if (core_freesync == NULL) + goto fail_alloc_context; +@@ -165,6 +170,12 @@ struct mod_freesync *mod_freesync_create(struct dc *dc) + flag.save_per_link = false; + dm_write_persistent_data(core_dc->ctx, NULL, FREESYNC_REGISTRY_NAME, NULL, NULL, + 0, &flag); ++ flag.save_per_edid = false; ++ flag.save_per_link = false; ++ if (dm_read_persistent_data(core_dc->ctx, NULL, NULL, ++ "DalDrrSupport", &data, sizeof(data), &flag)) { ++ core_freesync->opts.min_refresh_from_edid = data; ++ } + + return &core_freesync->public; + +@@ -219,7 +230,7 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, + struct core_stream *core_stream = NULL; + struct core_dc *core_dc = NULL; + struct core_freesync *core_freesync = NULL; +- int persistent_freesync_enable = 0; ++ int persistent_freesync_enable, stream_index = 0; + struct persistent_data_flag flag; + unsigned int nom_refresh_rate_micro_hz; + unsigned long long temp; +@@ -238,6 +249,26 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, + + dc_stream_retain(stream); + ++ stream_index = map_index_from_stream(core_freesync, stream); ++ ++ temp = stream->timing.pix_clk_khz; ++ temp *= 1000ULL * 1000ULL * 1000ULL; ++ temp = div_u64(temp, stream->timing.h_total); ++ temp = div_u64(temp, stream->timing.v_total); ++ ++ nom_refresh_rate_micro_hz = (unsigned int) temp; ++ ++ if (core_freesync->opts.min_refresh_from_edid != 0 && ++ dc_is_embedded_signal( ++ stream[stream_index].sink->sink_signal)) { ++ caps->supported = true; ++ caps->min_refresh_in_micro_hz = ++ core_freesync->opts.min_refresh_from_edid * ++ 1000000; ++ caps->max_refresh_in_micro_hz = ++ nom_refresh_rate_micro_hz; ++ } ++ + core_freesync->map[core_freesync->num_entities].stream = stream; + core_freesync->map[core_freesync->num_entities].caps = caps; + +@@ -275,13 +306,6 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, + enable_for_video = false; + } + +- temp = stream->timing.pix_clk_khz; +- temp *= 1000ULL * 1000ULL * 1000ULL; +- temp = div_u64(temp, stream->timing.h_total); +- temp = div_u64(temp, stream->timing.v_total); +- +- nom_refresh_rate_micro_hz = (unsigned int) temp; +- + if (caps->supported && + nom_refresh_rate_micro_hz >= caps->min_refresh_in_micro_hz && + nom_refresh_rate_micro_hz <= caps->max_refresh_in_micro_hz) +-- +2.7.4 + |