Re: [RFC PATCH 1/3] drm/msm/dpu: add support for MSM8953

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On Fri, 29 Sept 2023 at 23:53, Luca Weiss <luca@xxxxxxxxx> wrote:
> On Samstag, 23. September 2023 23:49:10 CEST Dmitry Baryshkov wrote:
> > Experimental support for MSM8953, which has MDP5 v1.16. It looks like
> > trimmed down version of MSM8996. Less SSPP, LM and PP blocks. No DSC,
> > etc.
> >
> Hi Dmitry,
> As written on IRC, on sdm632-fairphone-fp3 with this DPU patches the screen is
> initializing and displaying stuff :) But there's some errors, which presumably
> are the reason that the screen is only updating a few times per second.
> [   22.774205] [drm:dpu_kms_hw_init:1164] dpu hardware revision:0x10100000
> [   23.099806] [drm:_dpu_encoder_phys_cmd_wait_for_ctl_start:657] [dpu error]enc31 intf1 ctl start interrupt wait failed
> [   23.099821] [drm:dpu_kms_wait_for_commit_done:495] [dpu error]wait for commit done returned -22
> These messages appear about 13 times per second but as I mentioned, the screen
> *is* updating (slowly) there.

Thank you for the testing, I'll see if I can determine what is causing
the ctl start issue.

> Also you for sure forgot to add "qcom,msm8953-mdp5" to the
> msm_mdp5_dpu_migration list, without this DPU is never even considered for
> 8953.


> Regards
> Luca

With best wishes

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