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authorAlex Deucher <alexander.deucher@amd.com>2012-03-20 17:18:16 -0400
committerDave Airlie <airlied@redhat.com>2012-03-21 06:55:53 +0000
commit1b5475dba7b19cace11c3f466ff7b7a58c23aab0 (patch)
tree3e1e566c40b82e453118f07906d88cfea41b3852
parent498dd8b35ae798c3a6c6c9da029db1806dc2cf93 (diff)
downloadop-kernel-dev-1b5475dba7b19cace11c3f466ff7b7a58c23aab0.zip
op-kernel-dev-1b5475dba7b19cace11c3f466ff7b7a58c23aab0.tar.gz
drm/radeon/kms: Only VM CS ioctl is supported on SI (v2)
v2: avoid double free. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 087bd50..5e459a3 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -253,6 +253,13 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
return -EINVAL;
}
+ /* we only support VM on SI+ */
+ if ((p->rdev->family >= CHIP_TAHITI) &&
+ ((p->cs_flags & RADEON_CS_USE_VM) == 0)) {
+ DRM_ERROR("VM required on SI+!\n");
+ return -EINVAL;
+ }
+
if (radeon_cs_get_ring(p, ring, priority))
return -EINVAL;
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