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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4354-drm-amd-display-Add-assert-that-chroma-pitch-is-non-.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/4354-drm-amd-display-Add-assert-that-chroma-pitch-is-non-.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4354-drm-amd-display-Add-assert-that-chroma-pitch-is-non-.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4354-drm-amd-display-Add-assert-that-chroma-pitch-is-non-.patch
new file mode 100644
index 00000000..b9b0c57a
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4354-drm-amd-display-Add-assert-that-chroma-pitch-is-non-.patch
@@ -0,0 +1,31 @@
+From 8a0914695a1a2a96308aa985c77515052b147864 Mon Sep 17 00:00:00 2001
+From: Julian Parkin <jparkin@amd.com>
+Date: Fri, 13 Apr 2018 13:23:02 -0400
+Subject: [PATCH 4354/5725] drm/amd/display: Add assert that chroma pitch is
+ non zero
+
+Signed-off-by: Julian Parkin <jparkin@amd.com>
+Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <harry.wentland@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+index 159bebc..0cbc83e 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+@@ -146,6 +146,9 @@ void hubp1_program_size_and_rotation(
+ * 444 or 420 luma
+ */
+ if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
++ ASSERT(plane_size->video.chroma_pitch != 0);
++ /* Chroma pitch zero can cause system hang! */
++
+ pitch = plane_size->video.luma_pitch - 1;
+ meta_pitch = dcc->video.meta_pitch_l - 1;
+ pitch_c = plane_size->video.chroma_pitch - 1;
+--
+2.7.4
+