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| author | Michel Dänzer <michel.daenzer@amd.com> | 2015-06-16 17:28:16 +0900 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-07-01 22:07:25 -0400 |
| commit | c46ed6527b0fbebabb494a648e1d8ec0dee8e0d8 (patch) | |
| tree | f63f0533a3c9a7d7cd5148d146c2311d792a2a86 /drivers/gpu | |
| parent | c73e05a513216291a0d0183110dfee347e6188ff (diff) | |
| download | lwn-c46ed6527b0fbebabb494a648e1d8ec0dee8e0d8.tar.gz lwn-c46ed6527b0fbebabb494a648e1d8ec0dee8e0d8.zip | |
drm/radeon: Add RADEON_INFO_VA_UNMAP_WORKING query
[ Upstream commit 3bc980bf19bb62007e923691fa2869ba113be895 ]
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>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 8ec652722e4f..46bcd5d38a1e 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -540,6 +540,9 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file else *value = 1; break; + case RADEON_INFO_VA_UNMAP_WORKING: + *value = true; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; |