From: Christian König <christian.koenig@xxxxxxx>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit 60a445405a1731bac2279eab354173c9c3156747 upstream.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/gpu/drm/radeon/radeon_cs.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 80285e35bc65..b2b8b38f0319 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -271,10 +271,17 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
return -EINVAL;
/* we only support VM on some SI+ rings */
- if ((p->rdev->asic->ring[p->ring]->cs_parse == NULL) &&
- ((p->cs_flags & RADEON_CS_USE_VM) == 0)) {
- DRM_ERROR("Ring %d requires VM!\n", p->ring);
- return -EINVAL;
+ if ((p->cs_flags & RADEON_CS_USE_VM) == 0) {
+ if (p->rdev->asic->ring[p->ring]->cs_parse == NULL) {
+ DRM_ERROR("Ring %d requires VM!\n", p->ring);
+ return -EINVAL;
+ }
+ } else {
+ if (p->rdev->asic->ring[p->ring]->ib_parse == NULL) {
+ DRM_ERROR("VM not supported on ring %d!\n",
+ p->ring);
+ return -EINVAL;
+ }
}
}
--
2.0.0
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