[v2] drm/msm/disp/dpu1: add safe lut config in dpu driver

Stephen Boyd swboyd at chromium.org
Tue Aug 3 20:13:10 UTC 2021


Quoting Kalyan Thota (2021-08-03 03:41:47)
> 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 v1:
> - Add fixes tag (Sai)
> - CC stable kernel (Dimtry)
>
> Fixes: cfacf946a464d4(drm/msm/disp/dpu1: add support for display for SC7280 target)

This is wrong format and commit hash

Fixes: 591e34a091d1 ("drm/msm/disp/dpu1: add support for display for
SC7280 target")

> Signed-off-by: Kalyan Thota <kalyan_t at codeaurora.org>
> Tested-by: Sai Prakash Ranjan <saiprakash.ranjan at codeaurora.org> (sc7280, sc7180)


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