drm/radeon/kms: simplify evergreen blit code
Covert 4k pages to multiples of 64x64x4 tiles.
This is also more efficient than a scanline based
approach from the MC's perspective.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 3d7a0d7..62877ef 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -423,11 +423,11 @@
int evergreen_blit_init(struct radeon_device *rdev);
void evergreen_blit_fini(struct radeon_device *rdev);
/* evergreen blit */
-int evergreen_blit_prepare_copy(struct radeon_device *rdev, int size_bytes);
+int evergreen_blit_prepare_copy(struct radeon_device *rdev, unsigned num_pages);
void evergreen_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence);
void evergreen_kms_blit_copy(struct radeon_device *rdev,
u64 src_gpu_addr, u64 dst_gpu_addr,
- int size_bytes);
+ unsigned num_pages);
/*
* cayman