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drm/radeon/kms: simplify evergreen blit code

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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>
This commit is contained in:
Ilija Hadzic
2011-10-12 23:29:34 -04:00
committed by Dave Airlie
parent 43e5f61257
commit eb32d0c34e
3 changed files with 123 additions and 180 deletions
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4
drivers/gpu/drm/radeon/evergreen.c
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@@ -3180,14 +3180,14 @@ int evergreen_copy_blit(struct radeon_device *rdev,
mutex_lock(&rdev->r600_blit.mutex);
rdev->r600_blit.vb_ib = NULL;
r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
r = evergreen_blit_prepare_copy(rdev, num_pages);
if (r) {
if (rdev->r600_blit.vb_ib)
radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
mutex_unlock(&rdev->r600_blit.mutex);
return r;
}
evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages);
evergreen_blit_done_copy(rdev, fence);
mutex_unlock(&rdev->r600_blit.mutex);
return 0;