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| /openbmc/linux/drivers/gpu/drm/msm/ |
| H A D | msm_gem_shrinker.c | diff 9064a70eee9753689533d226c8782e2f8598fdb3 Fri Nov 17 09:14:19 CST 2023 Rob Clark <robdclark@chromium.org> drm/msm: Reduce fallout of fence signaling vs reclaim hangs
[ Upstream commit 4bea53b9c7c72fd12a0ceebe88a71723c0a514b8 ]
Until various PM devfreq/QoS and interconnect patches land, we could
potentially trigger reclaim from gpu scheduler thread, and under enough
memory pressure that could trigger a sort of deadlock. Eventually the
wait will timeout and we'll move on to consider other GEM objects. But
given that there is still a potential for deadlock/stalling, we should
reduce the timeout to contain the damage.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/568031/
Signed-off-by: Sasha Levin <sashal@kernel.org>
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