From: Hamza Mahfooz <someguy@effective-light.com>
To: "Michel Dänzer" <michel.daenzer@mailbox.org>
Cc: "Mario Limonciello" <mario.limonciello@amd.com>,
dri-devel@lists.freedesktop.org,
"Harry Wentland" <harry.wentland@amd.com>,
"Leo Li" <sunpeng.li@amd.com>,
"Rodrigo Siqueira" <siqueira@igalia.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Alex Hung" <alex.hung@amd.com>, "Wayne Lin" <Wayne.Lin@amd.com>,
"Aurabindo Pillai" <aurabindo.pillai@amd.com>,
"Ivan Lipski" <ivan.lipski@amd.com>,
"Timur Kristóf" <timur.kristof@gmail.com>,
"Dominik Kaszewski" <dominik.kaszewski@amd.com>,
amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/2] drm: introduce KMS recovery mechanism
Date: Sat, 14 Feb 2026 17:16:59 -0500 [thread overview]
Message-ID: <aZD0W7V_6--2yqNK@hal-station> (raw)
In-Reply-To: <85319290-4027-4eb8-95d1-9009d23f2294@mailbox.org>
On Sat, Feb 14, 2026 at 03:02:49PM +0100, Michel Dänzer wrote:
> Why couldn't a full modeset?
>
As far as I see it the only reasons why we should be timing out is
either an interrupt went missing (perhaps due to a race condition in
driver code) or hung hardware. In either case, the interrupt associated
with the page flip for the current commit is long gone.
> In principle it's possible to do (the equivalent of) a modeset with the current state for all CRTCs, no need to do it separately per CRTC.
AFAIK that is what the uevent is already doing (unless I'm mistaken).
next prev parent reply other threads:[~2026-02-14 22:17 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-12 23:08 [PATCH v3 1/2] drm: introduce KMS recovery mechanism Hamza Mahfooz
2026-02-12 23:09 ` [PATCH v3 2/2] drm/amd/display: add vendor specific reset Hamza Mahfooz
2026-02-18 9:34 ` Christian König
2026-02-13 0:18 ` [PATCH v3 1/2] drm: introduce KMS recovery mechanism Mario Limonciello
2026-02-13 19:35 ` Hamza Mahfooz
2026-02-14 14:02 ` Michel Dänzer
2026-02-14 22:16 ` Hamza Mahfooz [this message]
2026-02-16 9:28 ` Michel Dänzer
2026-02-18 0:45 ` Hamza Mahfooz
2026-02-18 9:22 ` Michel Dänzer
2026-02-20 8:42 ` Michel Dänzer
2026-02-20 9:09 ` Michel Dänzer
2026-02-20 14:08 ` Michel Dänzer
2026-04-17 16:08 ` Michel Dänzer
2026-04-17 16:28 ` Ville Syrjälä
2026-02-18 9:31 ` Christian König
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