From: Chris Wilson Date: Fri, 20 Jul 2012 11:41:08 +0000 (+0100) Subject: drm/i915: Split i915_gem_flush_ring() into seperate invalidate/flush funcs X-Git-Tag: upstream/snapshot3+hdmi~6538^2~61^2~32 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a7b9761d0a2ded58170ffb4d423ff3d7228103f4;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git drm/i915: Split i915_gem_flush_ring() into seperate invalidate/flush funcs By moving the function to intel_ringbuffer and currying the appropriate parameter, hopefully we make the callsites easier to read and understand. Signed-off-by: Chris Wilson Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 59e3199..700dc83 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1256,9 +1256,6 @@ int i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); void i915_gem_load(struct drm_device *dev); int i915_gem_init_object(struct drm_gem_object *obj); -int __must_check i915_gem_flush_ring(struct intel_ring_buffer *ring, - uint32_t invalidate_domains, - uint32_t flush_domains); struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev, size_t size); void i915_gem_free_object(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 3659d47..f26e2b2 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1549,13 +1549,9 @@ i915_add_request(struct intel_ring_buffer *ring, * is that the flush _must_ happen before the next request, no matter * what. */ - if (ring->gpu_caches_dirty) { - ret = i915_gem_flush_ring(ring, 0, I915_GEM_GPU_DOMAINS); - if (ret) - return ret; - - ring->gpu_caches_dirty = false; - } + ret = intel_ring_flush_all_caches(ring); + if (ret) + return ret; if (request == NULL) { request = kmalloc(sizeof(*request), GFP_KERNEL); @@ -2254,25 +2250,6 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj) return ret; } -int -i915_gem_flush_ring(struct intel_ring_buffer *ring, - uint32_t invalidate_domains, - uint32_t flush_domains) -{ - int ret; - - if (((invalidate_domains | flush_domains) & I915_GEM_GPU_DOMAINS) == 0) - return 0; - - trace_i915_gem_ring_flush(ring, invalidate_domains, flush_domains); - - ret = ring->flush(ring, invalidate_domains, flush_domains); - if (ret) - return ret; - - return 0; -} - static int i915_ring_idle(struct intel_ring_buffer *ring) { if (list_empty(&ring->active_list)) diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 55a94c1..6be1a89 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -707,14 +707,7 @@ i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring, /* Unconditionally invalidate gpu caches and ensure that we do flush * any residual writes from the previous batch. */ - ret = i915_gem_flush_ring(ring, - I915_GEM_GPU_DOMAINS, - ring->gpu_caches_dirty ? I915_GEM_GPU_DOMAINS : 0); - if (ret) - return ret; - - ring->gpu_caches_dirty = false; - return 0; + return intel_ring_invalidate_all_caches(ring); } static bool diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 8f221d9..8b7085e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1564,3 +1564,41 @@ int intel_init_blt_ring_buffer(struct drm_device *dev) return intel_init_ring_buffer(dev, ring); } + +int +intel_ring_flush_all_caches(struct intel_ring_buffer *ring) +{ + int ret; + + if (!ring->gpu_caches_dirty) + return 0; + + ret = ring->flush(ring, 0, I915_GEM_GPU_DOMAINS); + if (ret) + return ret; + + trace_i915_gem_ring_flush(ring, 0, I915_GEM_GPU_DOMAINS); + + ring->gpu_caches_dirty = false; + return 0; +} + +int +intel_ring_invalidate_all_caches(struct intel_ring_buffer *ring) +{ + uint32_t flush_domains; + int ret; + + flush_domains = 0; + if (ring->gpu_caches_dirty) + flush_domains = I915_GEM_GPU_DOMAINS; + + ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, flush_domains); + if (ret) + return ret; + + trace_i915_gem_ring_flush(ring, I915_GEM_GPU_DOMAINS, flush_domains); + + ring->gpu_caches_dirty = false; + return 0; +} diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 7986f30..8b2b92e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -195,6 +195,8 @@ static inline void intel_ring_emit(struct intel_ring_buffer *ring, void intel_ring_advance(struct intel_ring_buffer *ring); u32 intel_ring_get_seqno(struct intel_ring_buffer *ring); +int intel_ring_flush_all_caches(struct intel_ring_buffer *ring); +int intel_ring_invalidate_all_caches(struct intel_ring_buffer *ring); int intel_init_render_ring_buffer(struct drm_device *dev); int intel_init_bsd_ring_buffer(struct drm_device *dev);