Re: [PATCH v2.5] drm/msm/dsi: switch to DRM_PANEL_BRIDGE #forregzbot

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On 13.11.22 11:23, Thorsten Leemhuis wrote:
> [Note: this mail is primarily send for documentation purposes and/or for
> regzbot, my Linux kernel regression tracking bot. That's why I removed
> most or all folks from the list of recipients, but left any that looked
> like a mailing lists. These mails usually contain '#forregzbot' in the
> subject, to make them easy to spot and filter out.]
> 
> [TLDR: I'm adding this regression report to the list of tracked
> regressions; all text from me you find below is based on a few templates
> paragraphs you might have encountered already already in similar form.]
> 
> Hi, this is your Linux kernel regression tracker.
> 
> On 11.11.22 16:30, Caleb Connolly wrote:
>>
>> This patch has caused a regression on 6.1-rc for some devices that use
>> DSI panels. The new behaviour results in the DSI controller being
>> switched off before the panel unprepare hook is called. As a result,
>> panel drivers which call mipi_dsi_dcs_write() or similar in unprepare()
>> fail.
>>
>> I've noticed it specifically on the OnePlus 6 (with upstream Samsung
>> s0fef00 panel driver) and the SHIFT6mq with an out of tree driver.
> 
> Thanks for the report. To be sure below issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression
> tracking bot:
> 
> #regzbot ^introduced 007ac0262b0d
> #regzbot title drm: msm: DSI controller being switched off before the
> panel unprepare hook is called
> #regzbot ignore-activity

#regzbot inconclusive: reporter MIA




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