On Wed, Aug 04, 2021 at 01:38:33AM -0700, Kalyan Thota wrote: > Add safe lut configuration for all the targets in dpu > driver as per QOS recommendation. > > Issue reported on SC7280: > > With wait-for-safe feature in smmu enabled, RT client > buffer levels are checked to be safe before smmu invalidation. > Since display was always set to unsafe it was delaying the > invalidaiton process thus impacting the performance on NRT clients > such as eMMC and NVMe. > > Validated this change on SC7280, With this change eMMC performance > has improved significantly. > > Changes in v2: > - Add fixes tag (Sai) > - CC stable kernel (Dimtry) > > Changes in v3: > - Correct fixes tag with appropriate hash (stephen) > - Resend patch adding reviewed by tag > > Fixes: 591e34a091d1 ("drm/msm/disp/dpu1: add support for display for SC7280 target") > Signed-off-by: Kalyan Thota <kalyan_t@xxxxxxxxxxxxxx> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx> (sc7280, sc7180) > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 5 +++++ > 1 file changed, 5 insertions(+) <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>