]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
drm/i915: Limit mmio flip RPS boosts
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 27 Apr 2015 12:41:21 +0000 (13:41 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 21 May 2015 13:11:44 +0000 (15:11 +0200)
commitbcafc4e38b6ad03f48989b7ecaff03845b5b7acf
tree738a7173979e8a85e94b6fb8475634a781944d2c
parenta6f766f3975185af66a31a2cea2cd38721645999
drm/i915: Limit mmio flip RPS boosts

Since we will often pageflip to an active surface, we will often have to
wait for the surface to be written before issuing the flip. Also we are
likely to wait on that surface in plenty of time before the vblank.
Since we have a mechanism for boosting when a flip misses the expected
vblank, curtain the number of times we RPS boost when simply waiting for
mmioflip.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: s/rq/req/]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_debugfs.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_drv.h
drivers/gpu/drm/i915/intel_pm.c