Messages in this thread | | | Date | Tue, 23 Aug 2022 22:23:06 +0530 | Subject | Re: [PATCH v2] drm/msm/iommu: optimize map/unmap | From | Sai Prakash Ranjan <> |
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On 8/23/2022 10:07 PM, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > 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@chromium.org> > --- > drivers/gpu/drm/msm/msm_iommu.c | 101 +++++++++++++++++++++++++++----- > 1 file changed, 86 insertions(+), 15 deletions(-)
Reviewed-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Thanks, Sai
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