drm/radeon: Add RADEON_INFO_VA_UNMAP_WORKING query
authorMichel Dänzer <michel.daenzer@amd.com>
Tue, 16 Jun 2015 08:28:16 +0000 (17:28 +0900)
committerChristian König <christian.koenig@amd.com>
Thu, 18 Jun 2015 18:36:56 +0000 (20:36 +0200)
commit3bc980bf19bb62007e923691fa2869ba113be895
treefced0a29999815f8dec8fa037fff20352b3dd2ed
parent25161084b1c1b0c29948f6f77266a35f302196b7
drm/radeon: Add RADEON_INFO_VA_UNMAP_WORKING query

This tells userspace that it's safe to use the RADEON_VA_UNMAP operation
of the DRM_RADEON_GEM_VA ioctl.

Cc: stable@vger.kernel.org
(NOTE: Backporting this commit requires at least backports of commits
26d4d129b6042197b4cbc8341c0618f99231af2f,
48afbd70ac7b6aa62e8d452091023941d8085f8a and
c29c0876ec05d51a93508a39b90b92c29ba6423d as well, otherwise using
RADEON_VA_UNMAP runs into trouble)

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
drivers/gpu/drm/radeon/radeon_kms.c
include/uapi/drm/radeon_drm.h