From c78ec30bba52754b9f21a899eac2e2f5a7486116 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 20 Sep 2010 12:50:23 +0100 Subject: drm/i915: Merge ring flushing and lazy requests Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/i915_gem.c | 53 +++++++++++++++--------------------- drivers/gpu/drm/i915/intel_display.c | 2 +- 3 files changed, 24 insertions(+), 32 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 6e22be4f3585..37a44c80efd2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1003,6 +1003,7 @@ void i915_gem_reset_flushing_list(struct drm_device *dev); void i915_gem_reset_inactive_gpu_domains(struct drm_device *dev); void i915_gem_clflush_object(struct drm_gem_object *obj); void i915_gem_flush_ring(struct drm_device *dev, + struct drm_file *file_priv, struct intel_ring_buffer *ring, uint32_t invalidate_domains, uint32_t flush_domains); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index a5d5751bad30..58baecc821a5 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1910,16 +1910,23 @@ i915_wait_request(struct drm_device *dev, uint32_t seqno, void i915_gem_flush_ring(struct drm_device *dev, + struct drm_file *file_priv, struct intel_ring_buffer *ring, uint32_t invalidate_domains, uint32_t flush_domains) { ring->flush(dev, ring, invalidate_domains, flush_domains); i915_gem_process_flushing_list(dev, flush_domains, ring); + + if (ring->outstanding_lazy_request) { + (void)i915_add_request(dev, file_priv, NULL, ring); + ring->outstanding_lazy_request = false; + } } static void i915_gem_flush(struct drm_device *dev, + struct drm_file *file_priv, uint32_t invalidate_domains, uint32_t flush_domains, uint32_t flush_rings) @@ -1931,11 +1938,11 @@ i915_gem_flush(struct drm_device *dev, if ((flush_domains | invalidate_domains) & I915_GEM_GPU_DOMAINS) { if (flush_rings & RING_RENDER) - i915_gem_flush_ring(dev, + i915_gem_flush_ring(dev, file_priv, &dev_priv->render_ring, invalidate_domains, flush_domains); if (flush_rings & RING_BSD) - i915_gem_flush_ring(dev, + i915_gem_flush_ring(dev, file_priv, &dev_priv->bsd_ring, invalidate_domains, flush_domains); } @@ -2054,6 +2061,7 @@ i915_gpu_idle(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; bool lists_empty; + u32 seqno; int ret; lists_empty = (list_empty(&dev_priv->mm.flushing_list) && @@ -2064,24 +2072,18 @@ i915_gpu_idle(struct drm_device *dev) return 0; /* Flush everything onto the inactive list. */ - i915_gem_flush_ring(dev, - &dev_priv->render_ring, + seqno = i915_gem_next_request_seqno(dev, &dev_priv->render_ring); + i915_gem_flush_ring(dev, NULL, &dev_priv->render_ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS); - - ret = i915_wait_request(dev, - i915_gem_next_request_seqno(dev, &dev_priv->render_ring), - &dev_priv->render_ring); + ret = i915_wait_request(dev, seqno, &dev_priv->render_ring); if (ret) return ret; if (HAS_BSD(dev)) { - i915_gem_flush_ring(dev, - &dev_priv->bsd_ring, + seqno = i915_gem_next_request_seqno(dev, &dev_priv->render_ring); + i915_gem_flush_ring(dev, NULL, &dev_priv->bsd_ring, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS); - - ret = i915_wait_request(dev, - i915_gem_next_request_seqno(dev, &dev_priv->bsd_ring), - &dev_priv->bsd_ring); + ret = i915_wait_request(dev, seqno, &dev_priv->bsd_ring); if (ret) return ret; } @@ -2651,7 +2653,7 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj, /* Queue the GPU write cache flushing we need. */ old_write_domain = obj->write_domain; - i915_gem_flush_ring(dev, + i915_gem_flush_ring(dev, NULL, to_intel_bo(obj)->ring, 0, obj->write_domain); BUG_ON(obj->write_domain); @@ -2780,7 +2782,7 @@ i915_gem_object_set_to_display_plane(struct drm_gem_object *obj, i915_gem_object_flush_cpu_write_domain(obj); old_read_domains = obj->read_domains; - obj->read_domains = I915_GEM_DOMAIN_GTT; + obj->read_domains |= I915_GEM_DOMAIN_GTT; trace_i915_gem_object_change_domain(obj, old_read_domains, @@ -2837,7 +2839,7 @@ i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj, int write) * need to be invalidated at next use. */ if (write) { - obj->read_domains &= I915_GEM_DOMAIN_CPU; + obj->read_domains = I915_GEM_DOMAIN_CPU; obj->write_domain = I915_GEM_DOMAIN_CPU; } @@ -3762,21 +3764,12 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, dev->invalidate_domains, dev->flush_domains); #endif - i915_gem_flush(dev, + i915_gem_flush(dev, file_priv, dev->invalidate_domains, dev->flush_domains, dev_priv->mm.flush_rings); } - if (dev_priv->render_ring.outstanding_lazy_request) { - (void)i915_add_request(dev, file_priv, NULL, &dev_priv->render_ring); - dev_priv->render_ring.outstanding_lazy_request = false; - } - if (dev_priv->bsd_ring.outstanding_lazy_request) { - (void)i915_add_request(dev, file_priv, NULL, &dev_priv->bsd_ring); - dev_priv->bsd_ring.outstanding_lazy_request = false; - } - for (i = 0; i < args->buffer_count; i++) { struct drm_gem_object *obj = object_list[i]; struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); @@ -4232,12 +4225,10 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data, * use this buffer rather sooner than later, so issuing the required * flush earlier is beneficial. */ - if (obj->write_domain & I915_GEM_GPU_DOMAINS) { - i915_gem_flush_ring(dev, + if (obj->write_domain & I915_GEM_GPU_DOMAINS) + i915_gem_flush_ring(dev, file_priv, obj_priv->ring, 0, obj->write_domain); - (void)i915_add_request(dev, file_priv, NULL, obj_priv->ring); - } /* Update the active list for the hardware's current position. * Otherwise this only updates on a delayed timer or when irqs diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0505ddb76a10..791374c888da 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5058,7 +5058,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, /* Schedule the pipelined flush */ if (was_dirty) - i915_gem_flush_ring(dev, obj_priv->ring, 0, was_dirty); + i915_gem_flush_ring(dev, NULL, obj_priv->ring, 0, was_dirty); if (IS_GEN3(dev) || IS_GEN2(dev)) { u32 flip_mask; -- cgit v1.2.3