commit
fa8d387dc3f62062a6b4afbbb2a3438094fd8584 upstream.
Fixes a segfault on asics without a blit callback.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=62239
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[bwh: Backported to 3.2: s/copy\.blit/copy_blit/]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>