drm/i915: Replace last_[rwf]_seqno with last_[rwf]_req
authorJohn Harrison <John.C.Harrison@Intel.com>
Mon, 24 Nov 2014 18:49:26 +0000 (18:49 +0000)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 3 Dec 2014 08:35:14 +0000 (09:35 +0100)
commit97b2a6a10a1aef6f32832fcbc9d6a27650354904
tree9099e2821f3664e9949b3c338f9f8e0e8df786db
parentb793a00a57da8d5057168aace0695a823bbb6e02
drm/i915: Replace last_[rwf]_seqno with last_[rwf]_req

The object structure contains the last read, write and fenced seqno values for
use in syncrhonisation operations. These have now been replaced with their
request structure counterparts.

Note that to ensure that objects do not end up with dangling pointers, the
assignments of last_*_req include reference count updates. Thus a request cannot
be freed if an object is still hanging on to it for any reason.

v2: Corrected 'last_rendering_' to 'last_read_' in a number of comments that did
not get updated when 'last_rendering_seqno' became 'last_read|write_seqno'
several millenia ago.

For: VIZ-4377
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Thomas Daniel <Thomas.Daniel@intel.com>
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/i915_gem.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/i915_gem_gtt.h
drivers/gpu/drm/i915/i915_gem_tiling.c
drivers/gpu/drm/i915/i915_gpu_error.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_ringbuffer.h