drm/radeon: implement bo copy callback using CP DMA (v2)

Lighter weight than using the 3D engine.

v2: fix ring count

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 45d0693cddd5..b04b5789f4a8 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -340,6 +340,9 @@ int r600_uvd_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
 int r600_copy_blit(struct radeon_device *rdev,
                    uint64_t src_offset, uint64_t dst_offset,
                    unsigned num_gpu_pages, struct radeon_fence **fence);
+int r600_copy_cpdma(struct radeon_device *rdev,
+                    uint64_t src_offset, uint64_t dst_offset,
+                    unsigned num_gpu_pages, struct radeon_fence **fence);
 int r600_copy_dma(struct radeon_device *rdev,
                   uint64_t src_offset, uint64_t dst_offset,
                   unsigned num_gpu_pages, struct radeon_fence **fence);