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Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0492-drm-amd-display-Don-t-update-surface-if-dimensions-a.patch')
-rw-r--r--meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0492-drm-amd-display-Don-t-update-surface-if-dimensions-a.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0492-drm-amd-display-Don-t-update-surface-if-dimensions-a.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0492-drm-amd-display-Don-t-update-surface-if-dimensions-a.patch
new file mode 100644
index 00000000..88f60a41
--- /dev/null
+++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0492-drm-amd-display-Don-t-update-surface-if-dimensions-a.patch
@@ -0,0 +1,39 @@
+From cfa111f794ee1a23ddb89afec5c1c543f74db8e7 Mon Sep 17 00:00:00 2001
+From: Corbin McElhanney <corbin.mcelhanney@amd.com>
+Date: Thu, 1 Jun 2017 15:40:04 -0400
+Subject: [PATCH 0492/4131] drm/amd/display: Don't update surface if dimensions
+ are 0
+
+Signed-off-by: Corbin McElhanney <corbin.mcelhanney@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@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/core/dc.c | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
+index 323a5e7..976229e 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
+@@ -1250,8 +1250,15 @@ void dc_update_surfaces_and_stream(struct dc *dc,
+ }
+ }
+
+- /* only proceed if we need to make a surface update */
+- if (!srf_updates)
++ /* do not perform surface update if surface has invalid dimensions
++ * (all zero) and no scaling_info is provided
++ */
++ if (surface_count > 0 &&
++ srf_updates->surface->src_rect.width == 0 &&
++ srf_updates->surface->src_rect.height == 0 &&
++ srf_updates->surface->dst_rect.width == 0 &&
++ srf_updates->surface->dst_rect.height == 0 &&
++ !srf_updates->scaling_info)
+ return;
+
+ update_type = dc_check_update_surfaces_for_stream(
+--
+2.7.4
+