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From: Werner Sembach <wse@tuxedocomputers.com>
To: jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com,
	rodrigo.vivi@intel.com, tvrtko.ursulin@linux.intel.com,
	airlied@gmail.com, daniel@ffwll.ch, jose.souza@intel.com,
	jouni.hogander@intel.com, mika.kahola@intel.com,
	ville.syrjala@linux.intel.com, lucas.demarchi@intel.com,
	Diego.SantaCruz@spinetix.com, intel-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] Add quirk to disable PSR 2 on Tongfang PHxTxX1 and PHxTQx1
Date: Wed, 22 Feb 2023 16:39:06 +0100	[thread overview]
Message-ID: <647c8ea1-4f3d-1538-a78f-b71122e9c4f9@tuxedocomputers.com> (raw)
In-Reply-To: <20230222141755.1060162-1-wse@tuxedocomputers.com>


Am 22.02.23 um 15:17 schrieb Werner Sembach:
> On these Barebones PSR 2 is recognized as supported but is very buggy:
> - Upper third of screen does sometimes not updated, resulting in
> disappearing cursors or ghosts of already closed Windows saying behind.
> - Approximately 40 px from the bottom edge a 3 pixel wide strip of randomly
> colored pixels is flickering.
>
> PSR 1 is working fine however.
>
> This patchset introduces a new quirk to disable PSR 2 specifically on known
> buggy devices and applies it to the Tongfang PHxTxX1 and PHxTQx1 barebones.
>
> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
> Cc: <stable@vger.kernel.org>
>
>
Parralel to this there is a patch fixing the root cause of this issue: 
https://gitlab.freedesktop.org/drm/intel/-/issues/7347#note_1785094

So this quirk might only be relevant for stable kernels, depending on when that 
other patch gets merged.


  parent reply	other threads:[~2023-02-22 15:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-22 14:17 Werner Sembach
2023-02-22 14:17 ` [PATCH 1/2] Add quirk to disable PSR 2 on a per device basis Werner Sembach
2023-02-22 14:17 ` [PATCH 2/2] Apply quirk to disable PSR 2 on Tongfang PHxTxX1 and PHxTQx1 Werner Sembach
2023-02-22 20:13   ` [Intel-gfx] " Rodrigo Vivi
2023-02-23  6:27     ` Hogander, Jouni
2023-02-23 12:16       ` Werner Sembach
2023-02-22 15:39 ` Werner Sembach [this message]
2023-02-23 18:26 ` [PATCH 0/2] Add " Hogander, Jouni
2023-02-23 18:56   ` Werner Sembach
2023-02-23 19:02     ` Werner Sembach
2023-02-24  6:45       ` Hogander, Jouni

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