From: Alex Deucher <alexander.deuc...@amd.com>
v2: avoid double free.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/radeon_cs.c | 7 +++++++
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;
--
1.7.7.5
