ACK/Cmnt: [SRU][M][PATCH 0/1] The display becomes frozen after some time when a HDMI device is connected
Roxana Nicolescu
roxana.nicolescu at canonical.com
Wed Jan 31 14:04:34 UTC 2024
On 31/01/2024 14:55, Thibault Ferrante wrote:
> On 31-01-2024 11:46, Roxana Nicolescu wrote:
>> BugLink: https://bugs.launchpad.net/bugs/2049027
>>
>> SRU Justification:
>>
>> [Impact]
>>
>> Multiple users have reported frozen displays when external HDMI device
>> is connected on systems with intel graphics chipsets.
>>
>> [Fix]
>>
>> * backport 49e0a85ec344: "drm/i915/dmc: Don't enable any pipe DMC
>> events"
>> from 6.6.9
>>
>> [Test Plan]
>>
>> * Tested on Intel TigerLake with iris Xe Graphics and no issues so far.
>> It seems it affects mostly Alder Lake though, but at least it does not
>> cause any issues on other models.
>> * It has also been tested upstream
>> https://gitlab.freedesktop.org/drm/intel/-/issues/8685
>>
>> [Where problems could occur]
>> * We could see issues on systems with Intel Graphics when HDMI devices
>> are connected during power state changes.
>>
>> Ville Syrjälä (1):
>> drm/i915/dmc: Don't enable any pipe DMC events
>>
>> drivers/gpu/drm/i915/display/intel_dmc.c | 43 ++++++++++++++++++++++--
>> 1 file changed, 41 insertions(+), 2 deletions(-)
>>
>
> Is there a specific reason to cherry-pick the already cherry-picked
> commit ?
>
> Acked-by: Thibault Ferrante <thibault.ferrante at canonical.com>
>
> --
> Thibault
>
I cherry picked the wrong commit. I'll fix it when applying it. Thanks
for spotting this.
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