]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915/cmdparser: Accelerate copies from WC memory
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 18 Aug 2016 16:17:18 +0000 (17:17 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Thu, 18 Aug 2016 21:37:01 +0000 (22:37 +0100)
commitba0cb39d794dad2f204ccad04457755240c6f72b
treee8f98dd1ea9eacf871a61e081f0130f28330463a
parent7b699f1e7116066bd2eb31b2f639fb9073577cc7
drm/i915/cmdparser: Accelerate copies from WC memory

If we need to use clflush to prepare our batch for reads from memory, we
can bypass the cache instead by using non-temporal copies.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160818161718.27187-39-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_cmd_parser.c