drm/i915: Record the position of the start of the request
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 15 Aug 2016 09:48:40 +0000 (10:48 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 15 Aug 2016 10:00:49 +0000 (11:00 +0100)
commitd045446df196e3af341aa7623de5d21049ec4f67
treedcbf52e6ed0bb044c267b082ad94f6ca62041ac6
parent7466c291b1d2fa38e3140717c857c86e0eac1b6b
drm/i915: Record the position of the start of the request

Not only does it make for good documentation and debugging aide, but it is
also vital for when we want to unwind requests - such as when throwing away
an incomplete request.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1470414607-32453-2-git-send-email-arun.siluvery@linux.intel.com
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-1-git-send-email-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem_request.c
drivers/gpu/drm/i915/i915_gpu_error.c