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From: Jani Nikula <jani.nikula@intel.com>
To: Maarten Lankhorst <maarten.lankhorst@intel.com>,
	intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: maarten.lankhorst@linux.intel.com, ville.syrjala@linux.intel.com
Subject: Re: [PATCH 4/4] drm/i915/display: use fixed 10 second timeout for fence wait
Date: Thu, 27 Aug 2026 15:36:34 +0300	[thread overview]
Message-ID: <d6d85707e57f06d7980bd46a7e36c26a25450ddf@intel.com> (raw)
In-Reply-To: <859cb981-4039-4f0e-801f-c9f8cd630ded@intel.com>

On Fri, 21 Aug 2026, Maarten Lankhorst <maarten.lankhorst@intel.com> wrote:
> Not waiting on fences until they're signaled is an existing issue in
> i915, and was added as a workaround for a deadlock when GPU reset has
> to reset display as well on old platforms. This requires a modeset to
> disable everything, which may hang since it could wait on a fence that
> may only be signaled after gpu reset completes.

Thanks, I've used this verbatim in my v2 commit message. ;)

> Can you test if gpu_reset_clobbers_display and
> force_reset_modeset_test are set, and if not set the timeout to
> infinity on i915 as well?

v2 at [2], fingers crossed.

BR,
Jani.


[1] https://lore.kernel.org/r/cover.1787833879.git.jani.nikula@intel.com



-- 
Jani Nikula, Intel

  reply	other threads:[~2026-08-27 12:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-19 14:05 [PATCH 0/4] drm/{i915, xe}/display: another stab at i915_fence_timeout() removal Jani Nikula
2026-08-19 14:05 ` [PATCH 1/4] drm/i915/display: use struct intel_atomic_state *state variable naming Jani Nikula
2026-08-19 14:05 ` [PATCH 2/4] drm/i915/display: reduce indent in intel_atomic_commit_fence_wait() Jani Nikula
2026-08-19 14:05 ` [PATCH 3/4] drm/i915/display: debug log about fence wait timeouts and other errors Jani Nikula
2026-08-19 14:05 ` [PATCH 4/4] drm/i915/display: use fixed 10 second timeout for fence wait Jani Nikula
2026-08-21 16:05   ` Maarten Lankhorst
2026-08-27 12:36     ` Jani Nikula [this message]
2026-08-19 14:11 ` ✗ CI.checkpatch: warning for drm/{i915, xe}/display: another stab at i915_fence_timeout() removal Patchwork
2026-08-19 14:12 ` ✓ CI.KUnit: success " Patchwork
2026-08-19 15:09 ` ✓ Xe.CI.BAT: " Patchwork
2026-08-19 17:04 ` ✗ Xe.CI.FULL: failure " Patchwork

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