drm/i915: Assert that the request->tail fits within the ring

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In addition to being qword-aligned, the RING_TAIL offset must be within
the ring!

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170327130009.4678-2-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>

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Chris Wilson 2017-03-27 14:00:08 +01:00

parent 450362d3fe

commit a91fdf1293

2 changed files with 7 additions and 0 deletions

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4

drivers/gpu/drm/i915/intel_lrc.c

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3

drivers/gpu/drm/i915/intel_ringbuffer.c

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