drm/i915: Preallocate enough space for the average request

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Rather than being interrupted when we run out of space halfway through
the request, and having to restart from the beginning (and returning to
userspace), flush a little more free space when we prepare the request.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461833819-3991-15-git-send-email-chris@chris-wilson.co.uk

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Chris Wilson 2016-04-28 09:56:49 +01:00

parent bfa0120073

commit 6310346e75

2 changed files with 22 additions and 1 deletions

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7

drivers/gpu/drm/i915/intel_lrc.c

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16

drivers/gpu/drm/i915/intel_ringbuffer.c

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