drm/i915: Trim the flush for the legacy request emission
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 29 Apr 2016 08:07:05 +0000 (09:07 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 29 Apr 2016 09:20:51 +0000 (10:20 +0100)
commita0442461f2caa406ce77261214ec3217fe3cac22
tree6153dd4fa4983c1cf37a6dc2e7dc87a82e01e86e
parent596e5efc690d832e476018763ae6363c55e21165
drm/i915: Trim the flush for the legacy request emission

At the start of request emission, we flush some space for the request,
estimating the typical size for the request body. The tail is now much
larger than the typical body, so we can shrink the flush slightly.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461917226-9132-2-git-send-email-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/intel_ringbuffer.c