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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.patch110
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
+