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SubjectRe: [Freedreno] [PATCH] Revert "drm/msm/dp: Remove INIT_SETUP delay"
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On 5/24/2023 5:58 AM, Leonard Lausen wrote:
>>>>>>> [  275.025497] [drm:dpu_encoder_phys_vid_wait_for_commit_done:488]
>>>>>>> [dpu error]vblank timeout
>>>>>>> [  275.025514] [drm:dpu_kms_wait_for_commit_done:510] [dpu error]wait
>>>>>>> for commit done returned -110
>>>>>>> [  275.064141] [drm:dpu_encoder_frame_done_timeout:2382] [dpu
>>>>>>> error]enc33 frame done timeout
>>>>> This is a different crash but the root-cause of both the issues is the
>>>>> bridge hpd_enable/disable series.
>>>>>
>>>>> https://patchwork.freedesktop.org/patch/514414/
>>> Yes, the new patch to fix this issue is here
>>>
>>> https://patchwork.freedesktop.org/patch/538601/?series=118148&rev=3
>>>
>>> Apologies if you were not CCed on this, if a next version is CCed,
>>> will ask kuogee to cc you.
>>>
>>> Meanwhile, will be great if you can verify if it works for you and
>>> provide Tested-by tags.
>> Hi Leonard,
>>
>> I had  cc you with v5 patches.
>>
>> Would you please verify it.
> Hi Kuogee,
>
> thank you. Verified the v6 patch fixes the regression when ported to
> 6.3.3. One non-fatal issue remains: Suspending and resuming the system
> while USB-C DP monitor is connected triggers an error, though the system
> recovers within a second without the need to unplug the cable.
>
> [drm:drm_mode_config_helper_resume] *ERROR* Failed to resume (-107)
>
>
> dmesg snippet related to the suspend below
>
>
> [ 197.845110] usb 2-1.4.4: reset SuperSpeed USB device number 12 using xhci-hcd
> [ 198.235191] [drm:drm_mode_config_helper_resume] *ERROR* Failed to resume (-107)

Hi Leonard,

I did not see this problem at my setup (Kodiak) during suspend/resume.

Will investigate more on Trogdor device.

Thanks,


> [ 198.528638] OOM killer enabled.
> [ 198.531866] Restarting tasks ...
> [ 198.531994] usb 1-1.4.4.1: USB disconnect, device number 27
> [ 198.532223] usb 1-1.4.3: USB disconnect, device number 23
> [ 198.532509] usb 1-1.4.2.1: USB disconnect, device number 29
> [ 198.534805] r8152-cfgselector 2-1.4.4.2: USB disconnect, device number 13
> [ 198.535444] done.
> [ 198.535536] usb 1-1.1: USB disconnect, device number 15
> [ 198.567811] random: crng reseeded on system resumption
> [ 198.583431] PM: suspend exit

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