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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - WARNING at dcn10_hw_sequencer.c:868 dcn10_verify_allow_pstate_change_high()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109628#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - WARNING at dcn10_hw_sequencer.c:868 dcn10_verify_allow_pstate_change_high()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109628">bug 109628</a>
from <span class="vcard"><a class="email" href="mailto:nicholas.kazlauskas@amd.com" title="Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>"> <span class="fn">Nicholas Kazlauskas</span></a>
</span></b>
<pre>(In reply to Johannes Hirte from <a href="show_bug.cgi?id=109628#c9">comment #9</a>)
<span class="quote">> git bisect points me to
>
> commit df8368be1382b442384507a5147c89978cd60702 (refs/bisect/bad)
> Author: Nicholas Kazlauskas <<a href="mailto:nicholas.kazlauskas@amd.com">nicholas.kazlauskas@amd.com</a>>
> Date: Wed Feb 27 12:56:36 2019 -0500
>
> drm/amdgpu: Bump amdgpu version for per-flip plane tiling updates
>
> To help xf86-video-amdgpu and mesa know DC supports updating the
> tiling attributes for a framebuffer per-flip.
>
> Cc: Michel Dänzer <<a href="mailto:michel@daenzer.net">michel@daenzer.net</a>>
> Signed-off-by: Nicholas Kazlauskas <<a href="mailto:nicholas.kazlauskas@amd.com">nicholas.kazlauskas@amd.com</a>>
> Acked-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
> Reviewed-by: Marek Olšák <<a href="mailto:marek.olsak@amd.com">marek.olsak@amd.com</a>>
> Signed-off-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
>
>
> Does this make any sense?</span >
Yes, this is the commit that enabled mesa and xf86-video-amdgpu to use DCC for
scanout.
I recently fixed a bug where these warnings could be generated in some use
sequences (notably immediate flipping).
Please try amd-staging-drm-next or apply the following series to your kernel:
<a href="https://patchwork.freedesktop.org/series/64614/">https://patchwork.freedesktop.org/series/64614/</a></pre>
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