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drm/radeon/kms: Only VM CS ioctl is supported on SI (v2)

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v2: avoid double free.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2012-03-20 17:18:16 -04:00 committed by Dave Airlie
parent 498dd8b35a
commit 1b5475dba7
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/radeon/radeon_cs.c
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@ -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;