From: Hamza Mahfooz <someguy@effective-light.com>
To: "Christian König" <christian.koenig@amd.com>
Cc: dri-devel@lists.freedesktop.org,
"Timur Kristóf" <timur.kristof@gmail.com>,
"Michel Dänzer" <michel.daenzer@mailbox.org>,
"Xaver Hugl" <xaver.hugl@kde.org>,
"Harry Wentland" <harry.wentland@amd.com>,
"Leo Li" <sunpeng.li@amd.com>,
"Rodrigo Siqueira" <siqueira@igalia.com>,
"Alex Deucher" <alexander.deucher@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>,
"Kenneth Feng" <kenneth.feng@amd.com>,
"Ivan Lipski" <ivan.lipski@amd.com>,
"Alex Hung" <alex.hung@amd.com>,
"Tom Chung" <chiahsuan.chung@amd.com>,
"Melissa Wen" <mwen@igalia.com>,
"Michel Dänzer" <mdaenzer@redhat.com>,
"Fangzhi Zuo" <Jerry.Zuo@amd.com>,
amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] drm/amdgpu: implement page_flip_timeout() supporty
Date: Mon, 9 Feb 2026 17:53:23 -0500 [thread overview]
Message-ID: <aYplYyf6Pp20lOAD@hal-station> (raw)
In-Reply-To: <8c5ed6e7-e2e3-4aba-9b3c-bc1609765d14@amd.com>
On Mon, Feb 09, 2026 at 10:36:23AM +0100, Christian König wrote:
> Well that might work but is even worse than a GPU reset.
>
> Have you tried to just signal the page flip as done?
>
I have tried that actually and it didn't work in my case (outside of
your contrived scenario [1], though forcing a full modeset should take
care of that case regardless).
Though, I strongly suspect a firmware hang with the issue that I'm
seeing since I get DMCUB errors before the timeout. i.e.:
amdgpu 0000:06:00.0: [drm] *ERROR* dc_dmub_srv_log_diagnostic_data: DMCUB error - collecting diagnostic data
[...]
amdgpu 0000:06:00.0: [drm] *ERROR* [CRTC:364:crtc-0] flip_done timed out
[1] https://lore.kernel.org/r/30f2480d-016f-417e-9ddf-7805e4943e7b@amd.com/
next prev parent reply other threads:[~2026-02-10 8:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-06 23:58 [PATCH v2 1/2] drm: introduce KMS recovery mechanism Hamza Mahfooz
2026-02-06 23:58 ` [PATCH v2 2/2] drm/amdgpu: implement page_flip_timeout() support Hamza Mahfooz
2026-02-09 9:36 ` Christian König
2026-02-09 22:53 ` Hamza Mahfooz [this message]
2026-02-09 9:35 ` [PATCH v2 1/2] drm: introduce KMS recovery mechanism Christian König
2026-02-09 23:04 ` Hamza Mahfooz
2026-02-10 8:26 ` Christian König
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