On 2021-12-07 5:16 p.m., Alex Deucher
wrote:
On Tue, Dec 7, 2021 at 4:59 PM Felix Kuehling wrote:
On 2021-12-07 9:59 a.m., Philip Yang wrote:
If host and amdgpu IOMMU is not enabled or IOMMU is pass through mode,
dma_map_
On Tue, Dec 7, 2021 at 4:59 PM Felix Kuehling wrote:
>
> On 2021-12-07 9:59 a.m., Philip Yang wrote:
> > If host and amdgpu IOMMU is not enabled or IOMMU is pass through mode,
> > dma_map_page return address is equal to page physical address, use this
> > to set adev->iommu_isolation flag which wi
On 2021-12-07 9:59 a.m., Philip Yang wrote:
If host and amdgpu IOMMU is not enabled or IOMMU is pass through mode,
dma_map_page return address is equal to page physical address, use this
to set adev->iommu_isolation flag which will be used to optimize memory
usage for multi GPU mappings.
Signed-
If host and amdgpu IOMMU is not enabled or IOMMU is pass through mode,
dma_map_page return address is equal to page physical address, use this
to set adev->iommu_isolation flag which will be used to optimize memory
usage for multi GPU mappings.
Signed-off-by: Philip Yang
---
drivers/gpu/drm/amd/