1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4003-drm-amd-display-Set-all-update-flags-when-we-have-fu.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4003-drm-amd-display-Set-all-update-flags-when-we-have-fu.patch
new file mode 100644
index 00000000..f51a5553
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4003-drm-amd-display-Set-all-update-flags-when-we-have-fu.patch
@@ -0,0 +1,33 @@
+From 6ea57288aea9e757ac4f74f95fc148620ce0df46 Mon Sep 17 00:00:00 2001
+From: Eric Yang <Eric.Yang2@amd.com>
+Date: Wed, 14 Mar 2018 17:56:58 -0400
+Subject: [PATCH 4003/4131] drm/amd/display: Set all update flags when we have
+ full update
+
+To prevent future optimization related bugs, just set all update
+flags when we have a full update, since we know we want to reprogram
+everything in that case.
+
+Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <harry.wentland@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
+index 39319ec..257d9ae 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
+@@ -1208,7 +1208,7 @@ enum surface_update_type dc_check_update_surfaces_for_stream(
+ 	type = check_update_surfaces_for_stream(dc, updates, surface_count, stream_update, stream_status);
+ 	if (type == UPDATE_TYPE_FULL)
+ 		for (i = 0; i < surface_count; i++)
+-			updates[i].surface->update_flags.bits.full_update = 1;
++			updates[i].surface->update_flags.raw = 0xFFFFFFFF;
+ 
+ 	return type;
+ }
+-- 
+2.7.4
+