From: "Hogander, Jouni" <jouni.hogander@intel.com>
To: "Souza, Jose" <jose.souza@intel.com>,
"Santa Cruz, Diego" <Diego.SantaCruz@spinetix.com>,
"wse@tuxedocomputers.com" <wse@tuxedocomputers.com>,
"Vivi, Rodrigo" <rodrigo.vivi@intel.com>,
"ville.syrjala@linux.intel.com" <ville.syrjala@linux.intel.com>,
"joonas.lahtinen@linux.intel.com"
<joonas.lahtinen@linux.intel.com>,
"Kahola, Mika" <mika.kahola@intel.com>,
"airlied@gmail.com" <airlied@gmail.com>,
"tvrtko.ursulin@linux.intel.com" <tvrtko.ursulin@linux.intel.com>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"daniel@ffwll.ch" <daniel@ffwll.ch>,
"jani.nikula@linux.intel.com" <jani.nikula@linux.intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"De Marchi, Lucas" <lucas.demarchi@intel.com>
Subject: Re: [PATCH 0/2] Add quirk to disable PSR 2 on Tongfang PHxTxX1 and PHxTQx1
Date: Thu, 23 Feb 2023 18:26:11 +0000 [thread overview]
Message-ID: <9b0e29f15f3e8799256c425f06b36a70ec04522f.camel@intel.com> (raw)
In-Reply-To: <20230222141755.1060162-1-wse@tuxedocomputers.com>
On Wed, 2023-02-22 at 15:17 +0100, Werner Sembach wrote:
> 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.
I've been thinking something similar as there is still at least one
issue which seems to be like panel side issue:
https://gitlab.freedesktop.org/drm/intel/-/issues/7836
Did you considered dpcd_quirk_list in drivers/gpu/drm/drm_dp_helper.c?
I'm not sure which one is more correct though...
>
> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
> Cc: <stable@vger.kernel.org>
>
>
next prev parent reply other threads:[~2023-02-23 18:26 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 ` [PATCH 0/2] Add " Werner Sembach
2023-02-23 18:26 ` Hogander, Jouni [this message]
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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