On ke, 2016-09-14 at 07:52 +0100, Chris Wilson wrote:
> @@ -1572,6 +1572,8 @@ static int gen8_emit_request(struct drm_i915_gem_request *request)
> return intel_logical_ring_advance(request);
> }
>
> +static const int gen8_emit_request_sz = 6 + WA_TAIL_DWORDS;
Could argue these to be #define by current convention.
> @@ -1677,6 +1681,7 @@ logical_ring_default_vfuncs(struct intel_engine_cs *engine)
> engine->reset_hw = reset_common_ring;
> engine->emit_flush = gen8_emit_flush;
> engine->emit_request = gen8_emit_request;
> + engine->emit_request_sz = gen8_emit_request_sz;
This assignment would then stand out better too, now it looks like a
bunch of function assignments.
> @@ -2677,8 +2681,21 @@ static void intel_ring_default_vfuncs(struct drm_i915_private *dev_priv,
> engine->reset_hw = reset_ring_common;
>
> engine->emit_request = i9xx_emit_request;
> - if (i915.semaphores)
> + engine->emit_request_sz = i9xx_emit_request_sz;
> + if (i915.semaphores) {
> + int num_rings;
'initialized_rings' to differentiate as suggested by Tvrtko too.
> +
> engine->emit_request = gen6_sema_emit_request;
> +
> + num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask) - 1;
> + if (INTEL_GEN(dev_priv) >= 8) {
> + engine->emit_request_sz += num_rings * 6;
> + } else {
> + engine->emit_request_sz += num_rings * 3;
> + if (num_rings & 1)
> + engine->emit_request_sz++;
Please do add a comment explaining this.
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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