drm/amdgpu: use amdgpu_bo_create_kernel in amdgpu_ring.c

Saves us quite a bunch of code.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 85aeb0a..242ba04 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -222,33 +222,16 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
 
        /* Allocate ring buffer */
        if (ring->ring_obj == NULL) {
-               r = amdgpu_bo_create(adev, ring->ring_size, PAGE_SIZE, true,
-                                    AMDGPU_GEM_DOMAIN_GTT, 0,
-                                    NULL, NULL, &ring->ring_obj);
+               r = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
+                                           AMDGPU_GEM_DOMAIN_GTT,
+                                           &ring->ring_obj,
+                                           &ring->gpu_addr,
+                                           (void **)&ring->ring);
                if (r) {
                        dev_err(adev->dev, "(%d) ring create failed\n", r);
                        return r;
                }
-               r = amdgpu_bo_reserve(ring->ring_obj, false);
-               if (unlikely(r != 0))
-                       return r;
-               r = amdgpu_bo_pin(ring->ring_obj, AMDGPU_GEM_DOMAIN_GTT,
-                                       &ring->gpu_addr);
-               if (r) {
-                       amdgpu_bo_unreserve(ring->ring_obj);
-                       dev_err(adev->dev, "(%d) ring pin failed\n", r);
-                       return r;
-               }
-               r = amdgpu_bo_kmap(ring->ring_obj,
-                                      (void **)&ring->ring);
-
                memset((void *)ring->ring, 0, ring->ring_size);
-
-               amdgpu_bo_unreserve(ring->ring_obj);
-               if (r) {
-                       dev_err(adev->dev, "(%d) ring map failed\n", r);
-                       return r;
-               }
        }
        ring->ptr_mask = (ring->ring_size / 4) - 1;
        ring->max_dw = max_dw;