diff options
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.patch | 39 |
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 + |