]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: relax uncritical udelay_range()
authorNicholas Mc Guire <hofrat@osadl.org>
Fri, 16 Dec 2016 01:59:38 +0000 (02:59 +0100)
committerJani Nikula <jani.nikula@intel.com>
Fri, 16 Dec 2016 09:22:01 +0000 (11:22 +0200)
commit4dc77918017585b4d8cd40f257f6dec32ca50257
tree34f1988e4d79e76155b0c2a0379bdf5e126f40be
parentf1ebccbdd622ed0b06cb574992773bede985b972
drm/i915: relax uncritical udelay_range()

udelay_range(1, 2) is inefficient and as discussions with Jani Nikula
<jani.nikula@linux.intel.com> unnecessary here. This replaces this
tight setting with a relaxed delay of min=20 and max=50 which helps
the hrtimer subsystem optimize timer handling.

Fixes: commit 0fe36f7c6ed8 ("drm/i915: add VLV DSI PLL Calculations")
Link: http://lkml.org/lkml/2016/12/15/147
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1481853578-19834-1-git-send-email-hofrat@osadl.org
drivers/gpu/drm/i915/intel_dsi_pll.c