Thread (3 messages) 3 messages, 2 authors, 2021-05-31

Re: [PATCH for-5.10.y] drm/msm/dpu: always use mdp device to scale bandwidth

From: Greg KH <gregkh@linuxfoundation.org>
Date: 2021-05-30 12:24:28

On Fri, May 28, 2021 at 05:01:02PM +0530, Amit Pundir wrote:
From: Dmitry Baryshkov <redacted>

[ Upstream commit a670ff578f1fb855fedc7931fa5bbc06b567af22 ]

Currently DPU driver scales bandwidth and core clock for sc7180 only,
while the rest of chips get static bandwidth votes. Make all chipsets
scale bandwidth and clock per composition requirements like sc7180 does.
Drop old voting path completely.

Tested on RB3 (SDM845) and RB5 (SM8250).

Signed-off-by: Dmitry Baryshkov <redacted>
Link: https://lore.kernel.org/r/20210401020533.3956787-2-dmitry.baryshkov@linaro.org (local)
Signed-off-by: Rob Clark <redacted>
Signed-off-by: Amit Pundir <redacted>
---
Fixes dpu_runtime_resume() WARN_ON on db845c/RB3 (sdm845),
introduced by the backport of upstream commit 627dc55c273d
("drm/msm/disp/dpu1: icc path needs to be set before dpu
runtime resume") on v5.10.y.

 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c  |  3 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 51 +-----------------------
 2 files changed, 2 insertions(+), 52 deletions(-)
What about a version of this for 5.12?  I can't take one for 5.10 and
not a newer kernel, right?

thanks,

greg k-h
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