Re: [PATCH 35/53] drm/i915: Update flush_all_caches() to take request structures

[Tomas Elf <tomas.elf@xxxxxxxxx>]

On 19/02/2015 17:17, John.C.Harrison@xxxxxxxxx wrote:
> From: John Harrison <John.C.Harrison@xxxxxxxxx>
>
> Updated the *_ring_flush_all_caches() functions to take requests instead of
> rings or ringbuf/context pairs.
>
> For: VIZ-5115
> Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx>
> ---
>   drivers/gpu/drm/i915/i915_gem.c         |    4 ++--
>   drivers/gpu/drm/i915/intel_lrc.c        |   11 +++++------
>   drivers/gpu/drm/i915/intel_lrc.h        |    3 +--
>   drivers/gpu/drm/i915/intel_ringbuffer.c |    7 ++++---
>   drivers/gpu/drm/i915/intel_ringbuffer.h |    2 +-
>   5 files changed, 13 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 043933b..e8577d7 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -2436,9 +2436,9 @@ int __i915_add_request(struct drm_i915_gem_request *request,
>   	 */
>   	if (flush_caches) {
>   		if (i915.enable_execlists)
> -			ret = logical_ring_flush_all_caches(ringbuf, request->ctx);
> +			ret = logical_ring_flush_all_caches(request);
>   		else
> -			ret = intel_ring_flush_all_caches(ring);
> +			ret = intel_ring_flush_all_caches(request);
>   		if (ret)
>   			return ret;
>   	}
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 08ed800..d8084a1 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -768,16 +768,15 @@ void intel_logical_ring_stop(struct intel_engine_cs *ring)
>   	I915_WRITE_MODE(ring, _MASKED_BIT_DISABLE(STOP_RING));
>   }
>
> -int logical_ring_flush_all_caches(struct intel_ringbuffer *ringbuf,
> -				  struct intel_context *ctx)
> +int logical_ring_flush_all_caches(struct drm_i915_gem_request *req)
>   {
> -	struct intel_engine_cs *ring = ringbuf->ring;
> +	struct intel_engine_cs *ring = req->ring;
>   	int ret;
>
>   	if (!ring->gpu_caches_dirty)
>   		return 0;
>
> -	ret = ring->emit_flush(ringbuf, ctx, 0, I915_GEM_GPU_DOMAINS);
> +	ret = ring->emit_flush(req->ringbuf, req->ctx, 0, I915_GEM_GPU_DOMAINS);
>   	if (ret)
>   		return ret;
>
> @@ -1089,7 +1088,7 @@ static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
>   		return 0;
>
>   	ring->gpu_caches_dirty = true;
> -	ret = logical_ring_flush_all_caches(ringbuf, req->ctx);
> +	ret = logical_ring_flush_all_caches(req);
>   	if (ret)
>   		return ret;
>
> @@ -1107,7 +1106,7 @@ static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
>   	intel_logical_ring_advance(ringbuf);
>
>   	ring->gpu_caches_dirty = true;
> -	ret = logical_ring_flush_all_caches(ringbuf, req->ctx);
> +	ret = logical_ring_flush_all_caches(req);
>   	if (ret)
>   		return ret;
>
> diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h
> index 77de8ac..40848b0 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.h
> +++ b/drivers/gpu/drm/i915/intel_lrc.h
> @@ -43,8 +43,7 @@ void intel_logical_ring_stop(struct intel_engine_cs *ring);
>   void intel_logical_ring_cleanup(struct intel_engine_cs *ring);
>   int intel_logical_rings_init(struct drm_device *dev);
>
> -int logical_ring_flush_all_caches(struct intel_ringbuffer *ringbuf,
> -				  struct intel_context *ctx);
> +int logical_ring_flush_all_caches(struct drm_i915_gem_request *req);
>   /**
>    * intel_logical_ring_advance() - advance the ringbuffer tail
>    * @ringbuf: Ringbuffer to advance.
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index d147ffa..91a9131 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -748,7 +748,7 @@ static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
>   		return 0;
>
>   	ring->gpu_caches_dirty = true;
> -	ret = intel_ring_flush_all_caches(ring);
> +	ret = intel_ring_flush_all_caches(req);
>   	if (ret)
>   		return ret;
>
> @@ -766,7 +766,7 @@ static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
>   	intel_ring_advance(ring);
>
>   	ring->gpu_caches_dirty = true;
> -	ret = intel_ring_flush_all_caches(ring);
> +	ret = intel_ring_flush_all_caches(req);
>   	if (ret)
>   		return ret;
>
> @@ -2846,8 +2846,9 @@ int intel_init_vebox_ring_buffer(struct drm_device *dev)
>   }
>
>   int
> -intel_ring_flush_all_caches(struct intel_engine_cs *ring)
> +intel_ring_flush_all_caches(struct drm_i915_gem_request *req)
>   {
> +	struct intel_engine_cs *ring = req->ring;
>   	int ret;
>
>   	if (!ring->gpu_caches_dirty)
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
> index b817725..0ef29fb 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.h
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
> @@ -413,7 +413,7 @@ bool intel_ring_stopped(struct intel_engine_cs *ring);
>
>   int __must_check intel_ring_idle(struct intel_engine_cs *ring);
>   void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno);
> -int intel_ring_flush_all_caches(struct intel_engine_cs *ring);
> +int intel_ring_flush_all_caches(struct drm_i915_gem_request *req);
>   int intel_ring_invalidate_all_caches(struct drm_i915_gem_request *req);
>
>   void intel_fini_pipe_control(struct intel_engine_cs *ring);


Reviewed-by: Tomas Elf <tomas.elf@xxxxxxxxx>

Thanks,
Tomas
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