drm/radeon: enable the async DMA rings in the CS ioctl

[karo-tx-linux.git] / drivers / gpu / drm / radeon / radeon_cs.c

diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 1b32a5ab972d75e03617d767ed68a18de52686b7..396baba0141a9c2abefbd5e8782a83e5634c4c96 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -112,6 +112,18 @@ static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority
                } else
                        p->ring = RADEON_RING_TYPE_GFX_INDEX;
                break;
+       case RADEON_CS_RING_DMA:
+               if (p->rdev->family >= CHIP_CAYMAN) {
+                       if (p->priority > 0)
+                               p->ring = R600_RING_TYPE_DMA_INDEX;
+                       else
+                               p->ring = CAYMAN_RING_TYPE_DMA1_INDEX;
+               } else if (p->rdev->family >= CHIP_R600) {
+                       p->ring = R600_RING_TYPE_DMA_INDEX;
+               } else {
+                       return -EINVAL;
+               }
+               break;
        }
        return 0;
 }