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

[Dmitry Baryshkov]

On 29/09/2023 23:52, Luca Weiss 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.

For my understanding, does it work with the MDP5 driver?

> 
> 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.

-- 
With best wishes
Dmitry