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