[PATCH xf86-video-amdgpu 2/3] glamor: Bail CreatePixmap on unsupported pixmap depth

[michel@xxxxxxxxxxx (Michel Dänzer)]

From: Michel Dänzer <michel.daenzer@xxxxxxx>

Fixes crash in that case.

Bugzilla: https://bugs.freedesktop.org/106293
(Ported from radeon commit 65c9dfea4e841b7d6f795c7489fede58c5e9631f)

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/amdgpu_glamor.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amdgpu_glamor.c b/src/amdgpu_glamor.c
index 44cdbcff7..8b839105e 100644
--- a/src/amdgpu_glamor.c
+++ b/src/amdgpu_glamor.c
@@ -185,6 +185,9 @@ amdgpu_glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth,
 	struct amdgpu_pixmap *priv;
 	PixmapPtr pixmap, new_pixmap = NULL;
 
+	if (!xf86GetPixFormat(scrn, depth))
+		return NULL;
+
 	if (!AMDGPU_CREATE_PIXMAP_SHARED(usage)) {
 		if (info->shadow_primary) {
 			if (usage != CREATE_PIXMAP_USAGE_BACKING_PIXMAP)
-- 
2.18.0