Re: [Intel-gfx] [PATCH v5] drm/i915/execlists: Move WA_TAIL_DWORDS to callee

2016-02-25 Thread Dave Gordon
On 25/02/16 10:05, Chris Wilson wrote: On Wed, Feb 24, 2016 at 10:02:58AM +, Dave Gordon wrote: @@ -907,7 +942,8 @@ 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

Re: [Intel-gfx] [PATCH v5] drm/i915/execlists: Move WA_TAIL_DWORDS to callee

2016-02-25 Thread Chris Wilson
On Wed, Feb 24, 2016 at 10:02:58AM +, Dave Gordon wrote: > @@ -907,7 +942,8 @@ 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-gfx] [PATCH v5] drm/i915/execlists: Move WA_TAIL_DWORDS to callee

2016-02-24 Thread Dave Gordon
From: Chris Wilson Currently emit-request starts writing to the ring and reserves space for a workaround to be emitted later whilst submitting the request. It is easier to read if the caller only allocates sufficient space for its access (then the reader can quickly