]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
drm/msm/disp/dpu1: add safe lut config in dpu driver
authorKalyan Thota <kalyan_t@codeaurora.org>
Wed, 4 Aug 2021 09:40:28 +0000 (02:40 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 18 Sep 2021 11:42:23 +0000 (13:42 +0200)
commit8b56d9b9ea33d298c89488d19e88296a024c7a00
tree116ac5d1447f0ca44184e659122d905af201f24c
parent4a4e0668e710b6c287b613f7eec2f7947a4fe735
drm/msm/disp/dpu1: add safe lut config in dpu driver

commit 5bccb945f38b2aff334619b23b50bb0a6a9995a5 upstream.

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
- Resend patch adding correct format for pushing into stable tree (Greg)

Fixes: 591e34a091d1 ("drm/msm/disp/dpu1: add support for display for SC7280 target")
Cc: stable@vger.kernel.org
Signed-off-by: Kalyan Thota <kalyan_t@codeaurora.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> (sc7280, sc7180)
Link: https://lore.kernel.org/r/1628070028-2616-1-git-send-email-kalyan_t@codeaurora.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c