Merge remote-tracking branch 'airlied/drm-fixes' into drm-intel-next-queued

[deliverable/linux.git] / drivers / gpu / drm / i915 / i915_dma.c

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index ddfe3d902b2a3a5d908b0c7664a4348f94ce3988..38dfcf91f400332af1ea9641699d375d9384c33f 100644 (file)
--- 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);
+       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);
+       }
 
        mutex_lock(&dev->struct_mutex);
-       ret = i915_gem_init_ringbuffer(dev);
+       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:
@@ -2129,7 +2150,7 @@ 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 +2203,7 @@ 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 +2269,12 @@ 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 +2293,11 @@ 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),