]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: f6fdb89) | patch
drm/i915: Drop wmb() inside pread_gtt
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 18 Jul 2019 14:54:04 +0000 (15:54 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Thu, 18 Jul 2019 19:04:50 +0000 (20:04 +0100)
commitdc1f852f4752182e7a788f8544d58450467a9e24
tree9a205c3c8b18c9fb2c9113d0c86aaf24c50163c9tree | snapshot
parentf6fdb89d53364988e0c6960b8de755fba76dd013commit | diff
drm/i915: Drop wmb() inside pread_gtt

Inside pread, we only ever read from the GTT so the serialising wmb()
instructions around the GGTT PTE updates are pointless.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190718145407.21352-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_gem.c diff | blob | history
Linux Kernel Source Tree.