diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 60 |
1 files changed, 31 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 9a22da9b2083..664300986fb4 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -49,6 +49,8 @@ static int i915_init_phys_hws(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; + struct intel_ring_buffer *ring = LP_RING(dev_priv); + /* Program Hardware Status Page */ dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE); @@ -57,11 +59,10 @@ static int i915_init_phys_hws(struct drm_device *dev) DRM_ERROR("Can not allocate hardware status page\n"); return -ENOMEM; } - dev_priv->render_ring.status_page.page_addr - = dev_priv->status_page_dmah->vaddr; + ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr; dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; - memset(dev_priv->render_ring.status_page.page_addr, 0, PAGE_SIZE); + memset(ring->status_page.page_addr, 0, PAGE_SIZE); if (INTEL_INFO(dev)->gen >= 4) dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) & @@ -79,13 +80,15 @@ static int i915_init_phys_hws(struct drm_device *dev) static void i915_free_hws(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; + struct intel_ring_buffer *ring = LP_RING(dev_priv); + if (dev_priv->status_page_dmah) { drm_pci_free(dev, dev_priv->status_page_dmah); dev_priv->status_page_dmah = NULL; } - if (dev_priv->render_ring.status_page.gfx_addr) { - dev_priv->render_ring.status_page.gfx_addr = 0; + if (ring->status_page.gfx_addr) { + ring->status_page.gfx_addr = 0; drm_core_ioremapfree(&dev_priv->hws_map, dev); } @@ -97,7 +100,7 @@ void i915_kernel_lost_context(struct drm_device * dev) { drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv; - struct intel_ring_buffer *ring = &dev_priv->render_ring; + struct intel_ring_buffer *ring = LP_RING(dev_priv); /* * We should never lose context on the ring with modesetting @@ -123,6 +126,8 @@ void i915_kernel_lost_context(struct drm_device * dev) static int i915_dma_cleanup(struct drm_device * dev) { drm_i915_private_t *dev_priv = dev->dev_private; + int i; + /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private * is freed, it's too late. @@ -131,9 +136,8 @@ static int i915_dma_cleanup(struct drm_device * dev) drm_irq_uninstall(dev); mutex_lock(&dev->struct_mutex); - intel_cleanup_ring_buffer(&dev_priv->render_ring); - intel_cleanup_ring_buffer(&dev_priv->bsd_ring); - intel_cleanup_ring_buffer(&dev_priv->blt_ring); + for (i = 0; i < I915_NUM_RINGS; i++) + intel_cleanup_ring_buffer(&dev_priv->ring[i]); mutex_unlock(&dev->struct_mutex); /* Clear the HWS virtual address at teardown */ @@ -147,6 +151,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) { drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; + struct intel_ring_buffer *ring = LP_RING(dev_priv); master_priv->sarea = drm_getsarea(dev); if (master_priv->sarea) { @@ -157,24 +162,24 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) } if (init->ring_size != 0) { - if (dev_priv->render_ring.obj != NULL) { + if (ring->obj != NULL) { i915_dma_cleanup(dev); DRM_ERROR("Client tried to initialize ringbuffer in " "GEM mode\n"); return -EINVAL; } - dev_priv->render_ring.size = init->ring_size; + ring->size = init->ring_size; - dev_priv->render_ring.map.offset = init->ring_start; - dev_priv->render_ring.map.size = init->ring_size; - dev_priv->render_ring.map.type = 0; - dev_priv->render_ring.map.flags = 0; - dev_priv->render_ring.map.mtrr = 0; + ring->map.offset = init->ring_start; + ring->map.size = init->ring_size; + ring->map.type = 0; + ring->map.flags = 0; + ring->map.mtrr = 0; - drm_core_ioremap_wc(&dev_priv->render_ring.map, dev); + drm_core_ioremap_wc(&ring->map, dev); - if (dev_priv->render_ring.map.handle == NULL) { + if (ring->map.handle == NULL) { i915_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); @@ -182,7 +187,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) } } - dev_priv->render_ring.virtual_start = dev_priv->render_ring.map.handle; + ring->virtual_start = ring->map.handle; dev_priv->cpp = init->cpp; dev_priv->back_offset = init->back_offset; @@ -201,12 +206,10 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) static int i915_dma_resume(struct drm_device * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + struct intel_ring_buffer *ring = LP_RING(dev_priv); - struct intel_ring_buffer *ring; DRM_DEBUG_DRIVER("%s\n", __func__); - ring = &dev_priv->render_ring; - if (ring->map.handle == NULL) { DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); @@ -326,7 +329,7 @@ static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords) drm_i915_private_t *dev_priv = dev->dev_private; int i, ret; - if ((dwords+1) * sizeof(int) >= dev_priv->render_ring.size - 8) + if ((dwords+1) * sizeof(int) >= LP_RING(dev_priv)->size - 8) return -EINVAL; for (i = 0; i < dwords;) { @@ -565,13 +568,12 @@ static int i915_dispatch_flip(struct drm_device * dev) return 0; } -static int i915_quiescent(struct drm_device * dev) +static int i915_quiescent(struct drm_device *dev) { - drm_i915_private_t *dev_priv = dev->dev_private; + struct intel_ring_buffer *ring = LP_RING(dev->dev_private); i915_kernel_lost_context(dev); - return intel_wait_ring_buffer(&dev_priv->render_ring, - dev_priv->render_ring.size - 8); + return intel_wait_ring_buffer(ring, ring->size - 8); } static int i915_flush_ioctl(struct drm_device *dev, void *data, @@ -828,7 +830,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data, { drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_hws_addr_t *hws = data; - struct intel_ring_buffer *ring = &dev_priv->render_ring; + struct intel_ring_buffer *ring = LP_RING(dev_priv); if (!I915_NEED_GFX_HWS(dev)) return -EINVAL; @@ -1978,7 +1980,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (!IS_I945G(dev) && !IS_I945GM(dev)) pci_enable_msi(dev->pdev); - spin_lock_init(&dev_priv->user_irq_lock); + spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->error_lock); dev_priv->trace_irq_seqno = 0; |