Chris Wilson e85ade1f50 drm/i915: Hold reference to intel_frontbuffer as we track activity ...

Since obj->frontbuffer is no longer protected by the struct_mutex, as we
are processing the execbuf, it may be removed. Mark the
intel_frontbuffer as rcu protected, and so acquire a reference to
the struct as we track activity upon it.

Closes: https://gitlab.freedesktop.org/drm/intel/issues/827
Fixes: 8e7cb1799b ("drm/i915: Extract intel_frontbuffer active tracking")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Matthew Auld <[email protected]>
Cc: <[email protected]> # v5.4+
Reviewed-by: Joonas Lahtinen <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit da42104f58)
Signed-off-by: Jani Nikula <[email protected]>

2019-12-23 14:27:23 +02:00

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drm

drm/i915: Hold reference to intel_frontbuffer as we track activity

2019-12-23 14:27:23 +02:00

host1x

gpu: host1x: Unconditionally select IOMMU_IOVA

2019-11-01 10:49:17 +01:00

ipu-v3

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vga

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Makefile

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