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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.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 94b9bdce0c7..99a86249bb1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1159,7 +1159,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
obj_priv->agp_mem = drm_agp_bind_pages(dev,
obj_priv->page_list,
page_count,
- obj_priv->gtt_offset);
+ obj_priv->gtt_offset,
+ obj_priv->agp_type);
if (obj_priv->agp_mem == NULL) {
i915_gem_object_free_page_list(obj);
drm_mm_put_block(obj_priv->gtt_space);
@@ -2142,6 +2143,8 @@ int i915_gem_init_object(struct drm_gem_object *obj)
obj->write_domain = I915_GEM_DOMAIN_CPU;
obj->read_domains = I915_GEM_DOMAIN_CPU;
+ obj_priv->agp_type = AGP_USER_MEMORY;
+
obj->driver_private = obj_priv;
obj_priv->obj = obj;
INIT_LIST_HEAD(&obj_priv->list);
@@ -2311,6 +2314,7 @@ i915_gem_init_hws(struct drm_device *dev)
return -ENOMEM;
}
obj_priv = obj->driver_private;
+ obj_priv->agp_type = AGP_USER_CACHED_MEMORY;
ret = i915_gem_object_pin(obj, 4096);
if (ret != 0) {
@@ -2319,25 +2323,18 @@ i915_gem_init_hws(struct drm_device *dev)
}
dev_priv->status_gfx_addr = obj_priv->gtt_offset;
- dev_priv->hws_map.offset = dev->agp->base + obj_priv->gtt_offset;
- dev_priv->hws_map.size = 4096;
- dev_priv->hws_map.type = 0;
- dev_priv->hws_map.flags = 0;
- dev_priv->hws_map.mtrr = 0;
- /* Ioremapping here is the wrong thing to do. We want cached access.
- */
- drm_core_ioremap_wc(&dev_priv->hws_map, dev);
- if (dev_priv->hws_map.handle == NULL) {
+ dev_priv->hw_status_page = kmap(obj_priv->page_list[0]);
+ if (dev_priv->hw_status_page == NULL) {
DRM_ERROR("Failed to map status page.\n");
memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
drm_gem_object_unreference(obj);
return -EINVAL;
}
dev_priv->hws_obj = obj;
- dev_priv->hw_status_page = dev_priv->hws_map.handle;
memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
+ I915_READ(HWS_PGA); /* posting read */
DRM_DEBUG("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
return 0;
@@ -2456,10 +2453,15 @@ i915_gem_cleanup_ringbuffer(struct drm_device *dev)
memset(&dev_priv->ring, 0, sizeof(dev_priv->ring));
if (dev_priv->hws_obj != NULL) {
- i915_gem_object_unpin(dev_priv->hws_obj);
- drm_gem_object_unreference(dev_priv->hws_obj);
+ struct drm_gem_object *obj = dev_priv->hws_obj;
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+ kunmap(obj_priv->page_list[0]);
+ i915_gem_object_unpin(obj);
+ drm_gem_object_unreference(obj);
dev_priv->hws_obj = NULL;
memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
+ dev_priv->hw_status_page = NULL;
/* Write high address into HWS_PGA when disabling. */
I915_WRITE(HWS_PGA, 0x1ffff000);