present: Check that we can get a KMS FB for flipping

This can legitimately fail if the pixmap's storage is shared from
another device, e.g. when using PRIME render offloading.

(Ported from amdgpu commit 7d3fef72e0c871e1677e9e544f4cae5e238b5c52)

1 files changed, 1 insertions, 0 deletions

diff --git a/src/radeon.h b/src/radeon.h
index 008a59f3..2c913466 100644
--- a/src/radeon.h
+++ b/src/radeon.h
@@ -309,6 +309,7 @@ struct radeon_pixmap {
 
 	struct radeon_buffer *bo;
 	struct drmmode_fb *fb;
+	Bool fb_failed;
 
 	uint32_t tiling_flags;