return &fpriv->rps;
}
-int
-i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
- int align)
-{
- struct sg_table *pages;
- int err;
-
- if (align > obj->base.size)
- return -EINVAL;
-
- if (obj->ops == &i915_gem_phys_ops)
- return 0;
-
- if (obj->ops != &i915_gem_object_ops)
- return -EINVAL;
-
- err = i915_gem_object_unbind(obj);
- if (err)
- return err;
-
- mutex_lock(&obj->mm.lock);
-
- if (obj->mm.madv != I915_MADV_WILLNEED) {
- err = -EFAULT;
- goto err_unlock;
- }
-
- if (obj->mm.quirked) {
- err = -EFAULT;
- goto err_unlock;
- }
-
- if (obj->mm.mapping) {
- err = -EBUSY;
- goto err_unlock;
- }
-
- pages = obj->mm.pages;
- obj->ops = &i915_gem_phys_ops;
-
- err = __i915_gem_object_get_pages(obj);
- if (err)
- goto err_xfer;
-
- /* Perma-pin (until release) the physical set of pages */
- __i915_gem_object_pin_pages(obj);
-
- if (!IS_ERR_OR_NULL(pages))
- i915_gem_object_ops.put_pages(obj, pages);
- mutex_unlock(&obj->mm.lock);
- return 0;
-
-err_xfer:
- obj->ops = &i915_gem_object_ops;
- obj->mm.pages = pages;
-err_unlock:
- mutex_unlock(&obj->mm.lock);
- return err;
-}
-
static int
i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
struct drm_i915_gem_pwrite *args,
return sg_dma_address(sg) + (offset << PAGE_SHIFT);
}
+int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align)
+{
+ struct sg_table *pages;
+ int err;
+
+ if (align > obj->base.size)
+ return -EINVAL;
+
+ if (obj->ops == &i915_gem_phys_ops)
+ return 0;
+
+ if (obj->ops != &i915_gem_object_ops)
+ return -EINVAL;
+
+ err = i915_gem_object_unbind(obj);
+ if (err)
+ return err;
+
+ mutex_lock(&obj->mm.lock);
+
+ if (obj->mm.madv != I915_MADV_WILLNEED) {
+ err = -EFAULT;
+ goto err_unlock;
+ }
+
+ if (obj->mm.quirked) {
+ err = -EFAULT;
+ goto err_unlock;
+ }
+
+ if (obj->mm.mapping) {
+ err = -EBUSY;
+ goto err_unlock;
+ }
+
+ pages = obj->mm.pages;
+ obj->ops = &i915_gem_phys_ops;
+
+ err = __i915_gem_object_get_pages(obj);
+ if (err)
+ goto err_xfer;
+
+ /* Perma-pin (until release) the physical set of pages */
+ __i915_gem_object_pin_pages(obj);
+
+ if (!IS_ERR_OR_NULL(pages))
+ i915_gem_object_ops.put_pages(obj, pages);
+ mutex_unlock(&obj->mm.lock);
+ return 0;
+
+err_xfer:
+ obj->ops = &i915_gem_object_ops;
+ obj->mm.pages = pages;
+err_unlock:
+ mutex_unlock(&obj->mm.lock);
+ return err;
+}
+
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftests/scatterlist.c"
#include "selftests/mock_gem_device.c"