diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0202-drm-amd-display-fix-crash-with-modesetting-driver.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0202-drm-amd-display-fix-crash-with-modesetting-driver.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0202-drm-amd-display-fix-crash-with-modesetting-driver.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0202-drm-amd-display-fix-crash-with-modesetting-driver.patch new file mode 100644 index 00000000..c750a787 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0202-drm-amd-display-fix-crash-with-modesetting-driver.patch @@ -0,0 +1,36 @@ +From 27d1aff9314927ec08d08f25acc44859767d2291 Mon Sep 17 00:00:00 2001 +From: Harry Wentland <harry.wentland@amd.com> +Date: Fri, 3 Feb 2017 11:45:43 -0500 +Subject: [PATCH 0202/4131] drm/amd/display: fix crash with modesetting driver + +They might call commit with ACTION_NOTHING without a mode. +We shouldn't crash but simply skip updating stream scaling +settings since scaling obviously didn't change without a +provided mode. + +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +index 7710e2c..2c3dcd5 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +@@ -645,6 +645,10 @@ static void update_stream_scaling_settings( + struct rect src = { 0 }; /* viewport in composition space*/ + struct rect dst = { 0 }; /* stream addressable area */ + ++ /* no mode. nothing to be done */ ++ if (!mode) ++ return; ++ + /* Full screen scaling by default */ + src.width = mode->hdisplay; + src.height = mode->vdisplay; +-- +2.7.4 + |