提交 185cbcb3 编写于 作者: D Daniel Vetter 提交者: Chris Wilson

drm/i915: no more agp for gem

Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
上级 4080775b
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -791,11 +791,14 @@ struct drm_i915_gem_object {
unsigned int fault_mappable : 1;
unsigned int pin_mappable : 1;
/** AGP memory structure for our GTT binding. */
DRM_AGP_MEM *agp_mem;
struct page **pages;
/**
* DMAR support
*/
struct scatterlist *sg_list;
int num_sg;
/**
* Current offset of the object in GTT space.
*
......
......@@ -33,15 +33,24 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv;
int ret;
list_for_each_entry(obj_priv,
&dev_priv->mm.gtt_list,
gtt_list) {
/* Hack to force agp to reinsert buffer object. */
obj_priv->agp_mem->is_bound = false;
ret = agp_bind_memory(obj_priv->agp_mem, obj_priv->gtt_space->start / PAGE_SIZE);
BUG_ON(ret != 0);
if (dev_priv->mm.gtt->needs_dmar) {
BUG_ON(!obj_priv->sg_list);
intel_gtt_insert_sg_entries(obj_priv->sg_list,
obj_priv->num_sg,
obj_priv->gtt_space->start
>> PAGE_SHIFT,
obj_priv->agp_type);
} else
intel_gtt_insert_pages(obj_priv->gtt_space->start
>> PAGE_SHIFT,
obj_priv->base.size >> PAGE_SHIFT,
obj_priv->pages,
obj_priv->agp_type);
}
/* Be paranoid and flush the chipset cache. */
......@@ -51,27 +60,43 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
int i915_gem_gtt_bind_object(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
int ret;
/* Create an AGP memory structure pointing at our pages, and bind it
* into the GTT.
*/
obj_priv->agp_mem = drm_agp_bind_pages(dev,
obj_priv->pages,
obj->size >> PAGE_SHIFT,
obj_priv->gtt_space->start,
obj_priv->agp_type);
if (dev_priv->mm.gtt->needs_dmar) {
ret = intel_gtt_map_memory(obj_priv->pages,
obj->size >> PAGE_SHIFT,
&obj_priv->sg_list,
&obj_priv->num_sg);
if (ret != 0)
return ret;
intel_gtt_insert_sg_entries(obj_priv->sg_list, obj_priv->num_sg,
obj_priv->gtt_space->start
>> PAGE_SHIFT,
obj_priv->agp_type);
} else
intel_gtt_insert_pages(obj_priv->gtt_space->start >> PAGE_SHIFT,
obj->size >> PAGE_SHIFT,
obj_priv->pages,
obj_priv->agp_type);
if (obj_priv->agp_mem)
return 0;
else
return -ENOMEM;
return 0;
}
void i915_gem_gtt_unbind_object(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
drm_unbind_agp(obj_priv->agp_mem);
drm_free_agp(obj_priv->agp_mem, obj->size / PAGE_SIZE);
if (dev_priv->mm.gtt->needs_dmar) {
intel_gtt_unmap_memory(obj_priv->sg_list, obj_priv->num_sg);
obj_priv->sg_list = NULL;
obj_priv->num_sg = 0;
}
intel_gtt_clear_range(obj_priv->gtt_space->start >> PAGE_SHIFT,
obj->size >> PAGE_SHIFT);
}
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