[pull] amdgpu dc drm-next-4.15-dc

[Alex Deucher]

On Thu, Oct 26, 2017 at 10:10 AM, Dieter Nützel <Dieter at nuetzel-hh.de> wrote:
> Hello Alex & Rex,
>
> any progress?
> The 'screen blank' (monitor standby mode) is really annoying.

Does this patch help?
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=amd-staging-drm-next&id=ddabbf65aae36e21b4c79354940f80eae6c36104

Alex

>
> Thanks,
> Dieter
>
> Am 23.10.2017 03:03, schrieb Dieter Nützel:
>>
>> Am 22.10.2017 23:48, schrieb Dieter Nützel:
>>>
>>> Am 21.10.2017 23:22, schrieb Alex Deucher:
>>>>
>>>> Hi Dave,
>>>>
>>>> Last batch of new stuff for DC. Highlights:
>>>> - Fix some memory leaks
>>>> - S3 fixes
>>>> - Hotplug fixes
>>>> - Fix some CX multi-display issues
>>>> - MST fixes
>>>> - DML updates from the hw team
>>>> - Various code cleanups
>>>> - Misc bug fixes
>>>
>>>
>>> Now this tree has the same fan regression as 'amd-staging-drm-next'
>>> startet with 0944c350c8eddf4064e7abb881dd245032fdfa23.
>>>
>>> Look here:
>>> [amd-staging-drm-next] regression - no fan info (sensors) on RX580
>>> https://lists.freedesktop.org/archives/amd-gfx/2017-October/014065.html
>>>
>>> Second:
>>> KDE's greeter 'kdm_greet' (login screen went into dpms) and KDE's
>>> 'screen blank' (energy saving / dpms off) never came back. All I can
>>> do is a clean reboot. So I have to disable all 'dpms'.
>>> But I could attach gdb remotely on it.
>>> 'kdm_greet' hang in 'poll'.
>>> Nothing alarming in 'dmesg' and 'Xorg.0.log'. (Both available taken
>>> from 'amd-staging-drm-next' if needed).
>>
>>
>> Hello Alex and Rex,
>>
>> I've found good hint from Jan (randomsalad) on phoronix for the
>> 'screen blank' (monitor standby mode):
>>
>> https://www.phoronix.com/forums/forum/phoronix/latest-phoronix-articles/984483-amdgpu-dc-gets-a-final-batch-of-changes-before-linux-4-15?p=984555#post984555
>>
>> My Reply:
>>
>> https://www.phoronix.com/forums/forum/phoronix/latest-phoronix-articles/984483-amdgpu-dc-gets-a-final-batch-of-changes-before-linux-4-15?p=984581#post984581
>>
>> I can swear, that I could 'return' one time (the first time, maybe due
>> to only warm reboot) on 'drm-next-4.15-dc-wip' directly from within
>> KDE session with replugging the video cable, but for all later tests
>> on both kernels I have to blindly switching back to login screen
>> (kdm_greet) and then replugging the video cable.
>>
>> For me these regression started with 'amd-staging-drm-next' much
>> earlier than with the latest commit.
>>
>> Dieter
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