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path: root/drivers/gpu/drm/i915/i915_gem.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c37
1 files changed, 17 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 970ad17c99a..9e35dafc580 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1801,7 +1801,14 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
gfp |= __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD;
gfp &= ~(__GFP_IO | __GFP_WAIT);
}
-
+#ifdef CONFIG_SWIOTLB
+ if (swiotlb_nr_tbl()) {
+ st->nents++;
+ sg_set_page(sg, page, PAGE_SIZE, 0);
+ sg = sg_next(sg);
+ continue;
+ }
+#endif
if (!i || page_to_pfn(page) != last_pfn + 1) {
if (i)
sg = sg_next(sg);
@@ -1812,8 +1819,10 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
}
last_pfn = page_to_pfn(page);
}
-
- sg_mark_end(sg);
+#ifdef CONFIG_SWIOTLB
+ if (!swiotlb_nr_tbl())
+#endif
+ sg_mark_end(sg);
obj->pages = st;
if (i915_gem_object_needs_bit17_swizzle(obj))
@@ -2117,25 +2126,15 @@ static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv,
}
}
-static void i915_gem_reset_fences(struct drm_device *dev)
+void i915_gem_restore_fences(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int i;
for (i = 0; i < dev_priv->num_fence_regs; i++) {
struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
-
- if (reg->obj)
- i915_gem_object_fence_lost(reg->obj);
-
- i915_gem_write_fence(dev, i, NULL);
-
- reg->pin_count = 0;
- reg->obj = NULL;
- INIT_LIST_HEAD(&reg->lru_list);
+ i915_gem_write_fence(dev, i, reg->obj);
}
-
- INIT_LIST_HEAD(&dev_priv->mm.fence_list);
}
void i915_gem_reset(struct drm_device *dev)
@@ -2158,8 +2157,7 @@ void i915_gem_reset(struct drm_device *dev)
obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS;
}
- /* The fence registers are invalidated so clear them out */
- i915_gem_reset_fences(dev);
+ i915_gem_restore_fences(dev);
}
/**
@@ -3865,8 +3863,6 @@ i915_gem_idle(struct drm_device *dev)
if (!drm_core_check_feature(dev, DRIVER_MODESET))
i915_gem_evict_everything(dev);
- i915_gem_reset_fences(dev);
-
/* Hack! Don't let anybody do execbuf while we don't control the chip.
* We need to replace this with a semaphore, or something.
* And not confound mm.suspended!
@@ -4193,7 +4189,8 @@ i915_gem_load(struct drm_device *dev)
dev_priv->num_fence_regs = 8;
/* Initialize fence registers to zero */
- i915_gem_reset_fences(dev);
+ INIT_LIST_HEAD(&dev_priv->mm.fence_list);
+ i915_gem_restore_fences(dev);
i915_gem_detect_bit_6_swizzle(dev);
init_waitqueue_head(&dev_priv->pending_flip_queue);