Merge tag 'v2.6.35-rc6' into drm-radeon-next

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 074385882ccfe721ff5630b9e825950c6479af7e..15d2d93aaca997f551bd82cc6222a5963b9bd607 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2241,6 +2241,7 @@ i915_gem_object_get_pages(struct drm_gem_object *obj,
                page = read_cache_page_gfp(mapping, i,
                                           GFP_HIGHUSER |
                                           __GFP_COLD |
+                                          __GFP_RECLAIMABLE |
                                           gfpmask);
                if (IS_ERR(page))
                        goto err_pages;
@@ -2633,10 +2634,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
        if (free_space != NULL) {
                obj_priv->gtt_space = drm_mm_get_block(free_space, obj->size,
                                                       alignment);
-               if (obj_priv->gtt_space != NULL) {
-                       obj_priv->gtt_space->private = obj;
+               if (obj_priv->gtt_space != NULL)
                        obj_priv->gtt_offset = obj_priv->gtt_space->start;
-               }
        }
        if (obj_priv->gtt_space == NULL) {
                /* If the gtt is empty and we're still having trouble
@@ -4741,6 +4740,16 @@ i915_gem_load(struct drm_device *dev)
        list_add(&dev_priv->mm.shrink_list, &shrink_list);
        spin_unlock(&shrink_list_lock);
 
+       /* On GEN3 we really need to make sure the ARB C3 LP bit is set */
+       if (IS_GEN3(dev)) {
+               u32 tmp = I915_READ(MI_ARB_STATE);
+               if (!(tmp & MI_ARB_C3_LP_WRITE_ENABLE)) {
+                       /* arb state is a masked write, so set bit + bit in mask */
+                       tmp = MI_ARB_C3_LP_WRITE_ENABLE | (MI_ARB_C3_LP_WRITE_ENABLE << MI_ARB_MASK_SHIFT);
+                       I915_WRITE(MI_ARB_STATE, tmp);
+               }
+       }
+
        /* Old X drivers will take 0-2 for front, back, depth buffers */
        if (!drm_core_check_feature(dev, DRIVER_MODESET))
                dev_priv->fence_reg_start = 3;
@@ -4977,7 +4986,7 @@ i915_gpu_is_active(struct drm_device *dev)
 }
 
 static int
-i915_gem_shrink(int nr_to_scan, gfp_t gfp_mask)
+i915_gem_shrink(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
 {
        drm_i915_private_t *dev_priv, *next_dev;
        struct drm_i915_gem_object *obj_priv, *next_obj;