On 06/02/16 09:33, Chris Wilson wrote:
On Fri, Feb 05, 2016 at 02:56:51PM -0800, Rodrigo Vivi wrote:
On Fri, Feb 5, 2016 at 11:31 AM, Dave Gordon <david.s.gordon@xxxxxxxxx> wrote:
@@ -907,7 +927,8 @@ int intel_logical_ring_reserve_space(struct drm_i915_gem_request *request)
* adding any commands to it then there might not actually be
* sufficient room for the submission commands.
*/
- intel_ring_reserved_space_reserve(request->ringbuf, MIN_SPACE_FOR_ADD_REQUEST);
+ intel_ring_reserved_space_reserve(request->ringbuf,
+ MIN_SPACE_FOR_ADD_REQUEST + WA_TAIL_DWORDS);
This should already be included in the MIN_SPACE_FOR_ADD_REQUEST as that
value is universal (and is adequate for the moment).
-Chris
I didn't put it there because we needed the extra space at present, but
rather so that people changing either of those two values would be more
likely to think about whether there were any unexpected interactions.
.Dave.
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