ecbd6781b2
The eDP backlight and panel enable/disable delays are quite useful to know when measuring time consumed by suspend/resume, and while the information is printed to the kernel log as debug messages, having this information in debugfs makes things easier. Signed-off-by: David Weinehall <david.weinehall@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160823092356.7610-1-david.weinehall@linux.intel.com Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>