drm/i915: Don't emit mbox updates without semaphores

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Aside from the fact that it leaves confusing dumps on error capture, it
is entirely unnecessary, and potentially harmful in cases like BDW,
where the instruction has changed.

In reality (seemingly), this will have no behavioral impact.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Ben Widawsky 2013-12-16 20:50:38 -08:00 • committed by Daniel Vetter

parent 0e79284d13

commit 52ed23253b

1 changed files with 6 additions and 5 deletions

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11

drivers/gpu/drm/i915/intel_ringbuffer.c

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