Calls to dma_map_sg may return segments / entries than requested
if they fall on page bounderies. The old implementation did not
support this use case.
Signed-off-by: Shane Francis
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff
> I think the other call to drm_prime_sg_to_page_addr_arrays in amdgpu
> needs a similar fix.
>
> Alex
Looking at the other call in amdgpu tmm it does not seem to undergo the
segment
remapping that happens in dma_map_sg, so should be safe.
I will port the changes to drm/radeon as that seems to
On Mon, Mar 23, 2020 at 4:52 PM Shane Francis wrote:
>
> Calls to dma_map_sg may return segments / entries than requested
> if they fall on page bounderies. The old implementation did not
> support this use case.
>
> Signed-off-by: Shane Francis
Fixes: be62dbf554c5 ("iommu/amd: Convert AMD
Calls to dma_map_sg may return segments / entries than requested
if they fall on page bounderies. The old implementation did not
support this use case.
Signed-off-by: Shane Francis
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff
