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linux-next/drivers/gpu
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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 <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: <stable@vger.kernel.org> # v5.4+
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191218104043.3539458-1-chris@chris-wilson.co.uk
(cherry picked from commit da42104f58)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2019-12-23 14:27:23 +02:00
..
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 gpu: ipu-v3: image-convert: only sample into the next tile if necessary 2019-08-19 16:25:30 +02:00
vga
Makefile