diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 66 |
1 files changed, 42 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index ddfe3d902b2a..9341eb8ce93b 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -784,6 +784,9 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_HAS_GEN7_SOL_RESET: value = 1; break; + case I915_PARAM_HAS_LLC: + value = HAS_LLC(dev); + break; default: DRM_DEBUG_DRIVER("Unknown parameter %d\n", param->param); @@ -1193,22 +1196,39 @@ static int i915_load_gem_init(struct drm_device *dev) /* Basic memrange allocator for stolen space */ drm_mm_init(&dev_priv->mm.stolen, 0, prealloc_size); - /* Let GEM Manage all of the aperture. - * - * However, leave one page at the end still bound to the scratch page. - * There are a number of places where the hardware apparently - * prefetches past the end of the object, and we've seen multiple - * hangs with the GPU head pointer stuck in a batchbuffer bound - * at the last page of the aperture. One page should be enough to - * keep any prefetching inside of the aperture. - */ - i915_gem_do_init(dev, 0, mappable_size, gtt_size - PAGE_SIZE); - mutex_lock(&dev->struct_mutex); - ret = i915_gem_init_ringbuffer(dev); + if (i915_enable_ppgtt && HAS_ALIASING_PPGTT(dev)) { + /* PPGTT pdes are stolen from global gtt ptes, so shrink the + * aperture accordingly when using aliasing ppgtt. */ + gtt_size -= I915_PPGTT_PD_ENTRIES*PAGE_SIZE; + /* For paranoia keep the guard page in between. */ + gtt_size -= PAGE_SIZE; + + i915_gem_do_init(dev, 0, mappable_size, gtt_size); + + ret = i915_gem_init_aliasing_ppgtt(dev); + if (ret) + return ret; + } else { + /* Let GEM Manage all of the aperture. + * + * However, leave one page at the end still bound to the scratch + * page. There are a number of places where the hardware + * apparently prefetches past the end of the object, and we've + * seen multiple hangs with the GPU head pointer stuck in a + * batchbuffer bound at the last page of the aperture. One page + * should be enough to keep any prefetching inside of the + * aperture. + */ + i915_gem_do_init(dev, 0, mappable_size, gtt_size - PAGE_SIZE); + } + + ret = i915_gem_init_hw(dev); mutex_unlock(&dev->struct_mutex); - if (ret) + if (ret) { + i915_gem_cleanup_aliasing_ppgtt(dev); return ret; + } /* Try to set up FBC with a reasonable compressed buffer size */ if (I915_HAS_FBC(dev) && i915_powersave) { @@ -1295,6 +1315,7 @@ cleanup_gem: mutex_lock(&dev->struct_mutex); i915_gem_cleanup_ringbuffer(dev); mutex_unlock(&dev->struct_mutex); + i915_gem_cleanup_aliasing_ppgtt(dev); cleanup_vga_switcheroo: vga_switcheroo_unregister_client(dev->pdev); cleanup_vga_client: @@ -1930,6 +1951,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto free_priv; } + pci_set_master(dev->pdev); + /* overlay on gen2 is broken and can't address above 1G */ if (IS_GEN2(dev)) dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30)); @@ -2129,7 +2152,7 @@ int i915_driver_unload(struct drm_device *dev) unregister_shrinker(&dev_priv->mm.inactive_shrinker); mutex_lock(&dev->struct_mutex); - ret = i915_gpu_idle(dev); + ret = i915_gpu_idle(dev, true); if (ret) DRM_ERROR("failed to idle hardware: %d\n", ret); mutex_unlock(&dev->struct_mutex); @@ -2182,6 +2205,7 @@ int i915_driver_unload(struct drm_device *dev) i915_gem_free_all_phys_object(dev); i915_gem_cleanup_ringbuffer(dev); mutex_unlock(&dev->struct_mutex); + i915_gem_cleanup_aliasing_ppgtt(dev); if (I915_HAS_FBC(dev) && i915_powersave) i915_cleanup_compression(dev); drm_mm_takedown(&dev_priv->mm.stolen); @@ -2247,18 +2271,12 @@ void i915_driver_lastclose(struct drm_device * dev) i915_gem_lastclose(dev); - if (dev_priv->agp_heap) - i915_mem_takedown(&(dev_priv->agp_heap)); - i915_dma_cleanup(dev); } void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; i915_gem_release(dev, file_priv); - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - i915_mem_release(dev, file_priv, dev_priv->agp_heap); } void i915_driver_postclose(struct drm_device *dev, struct drm_file *file) @@ -2277,11 +2295,11 @@ struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), DRM_IOCTL_DEF_DRV(I915_GETPARAM, i915_getparam, DRM_AUTH), DRM_IOCTL_DEF_DRV(I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF_DRV(I915_ALLOC, i915_mem_alloc, DRM_AUTH), - DRM_IOCTL_DEF_DRV(I915_FREE, i915_mem_free, DRM_AUTH), - DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(I915_ALLOC, drm_noop, DRM_AUTH), + DRM_IOCTL_DEF_DRV(I915_FREE, drm_noop, DRM_AUTH), + DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF_DRV(I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), - DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH), DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), |