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-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0550-drm-amd-display-RV-stereo-support.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0550-drm-amd-display-RV-stereo-support.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0550-drm-amd-display-RV-stereo-support.patch
new file mode 100644
index 00000000..1043c17c
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0550-drm-amd-display-RV-stereo-support.patch
@@ -0,0 +1,39 @@
+From f44af451d190cbf620f1dd3d27c308636c1bebe6 Mon Sep 17 00:00:00 2001
+From: Ken Chalmers <ken.chalmers@amd.com>
+Date: Mon, 26 Jun 2017 13:02:30 -0400
+Subject: [PATCH 0550/4131] drm/amd/display: RV stereo support
+
+Fix moving directly from frame packed to frame sequential mode: disable
+OTG_3D_STRUCTURE_EN if the stereo mode is not frame packed.
+
+Signed-off-by: Ken Chalmers <ken.chalmers@amd.com>
+Reviewed-by: Vitaly Prosyak <Vitaly.Prosyak@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+index 83efbec..58fb29f 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+@@ -1082,11 +1082,11 @@ static void dcn10_enable_stereo(struct timing_generator *tg,
+ REG_UPDATE(OTG_STEREO_CONTROL,
+ OTG_DISABLE_STEREOSYNC_OUTPUT_FOR_DP, 1);
+
+- if (flags->PROGRAM_STEREO && flags->FRAME_PACKED)
++ if (flags->PROGRAM_STEREO)
+ REG_UPDATE_3(OTG_3D_STRUCTURE_CONTROL,
+- OTG_3D_STRUCTURE_EN, 1,
+- OTG_3D_STRUCTURE_V_UPDATE_MODE, 1,
+- OTG_3D_STRUCTURE_STEREO_SEL_OVR, 1);
++ OTG_3D_STRUCTURE_EN, flags->FRAME_PACKED,
++ OTG_3D_STRUCTURE_V_UPDATE_MODE, flags->FRAME_PACKED,
++ OTG_3D_STRUCTURE_STEREO_SEL_OVR, flags->FRAME_PACKED);
+
+ }
+
+--
+2.7.4
+