[Intel-gfx] [PATCH v3 21/28] drm/i915: Remove the now redundant 'obj->ring'

[Daniel Vetter]

On Mon, Nov 24, 2014 at 06:49:43PM +0000, John.C.Harrison at Intel.com wrote:
> From: John Harrison <John.C.Harrison at Intel.com>
> 
> The ring member of the object structure was always updated with the
> last_read_seqno member. Thus with the conversion to last_read_req, obj->ring is
> now a direct copy of obj->last_read_req->ring. This makes it somewhat redundant
> and potentially misleading (especially as there was no comment to explain its
> purpose).
> 
> This checkin removes the redundant field. Many uses were simply testing for
> non-null to see if the object is active on the GPU. Some of these have been
> converted to check 'obj->active' instead. Others (where the last_read_req is
> about to be used anyway) have been changed to check obj->last_read_req. The rest
> simply pull the ring out from the request structure and proceed as before.
> 
> For: VIZ-4377
> Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
> Reviewed-by: Thomas Daniel <Thomas.Daniel at intel.com>

Ok merged up to this for now. I'd like to settle things a bit first (and
also figure out what to do with the trace_irq stuff).

Thanks for patches&review,
Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch