On 8/23/2022 10:07 PM, Rob Clark wrote:
From: Rob Clark <robdclark@xxxxxxxxxxxx>
Using map_pages/unmap_pages cuts down on the # of pgtable walks needed
in the process of finding where to insert/remove an entry. The end
result is ~5-10x faster than mapping a single page at a time.
v2: Rename iommu_pgsize(), drop obsolete comments, fix error handling
in msm_iommu_pagetable_map()
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_iommu.c | 101 +++++++++++++++++++++++++++-----
1 file changed, 86 insertions(+), 15 deletions(-)
Reviewed-by: Sai Prakash Ranjan <quic_saipraka@xxxxxxxxxxx>
Thanks,
Sai
