diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 48ce722..cf8e3fc 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -272,12 +272,19 @@ struct i915_pml4 { struct i915_address_space { struct drm_mm mm; struct drm_device *dev; + /* Every address space belongs to a struct file - except for the global + * GTT that is owned by the driver (and so @file is set to NULL). In + * principle, no information should leak from one context to another + * (or between files/processes etc) unless explicitly shared by the + * owner. Tracking the owner is important in order to free up per-file + * objects along with the file, to aide resource tracking, and to + * assign blame. + */ + struct drm_i915_file_private *file; struct list_head global_link; u64 start; /* Start offset always 0 for dri2 */ u64 total; /* size addr space maps (ex. 2GB for ggtt) */ - bool is_ggtt; - struct i915_page_scratch *scratch_page; struct i915_page_table *scratch_pt; struct i915_page_directory *scratch_pd; @@ -338,7 +345,7 @@ struct i915_address_space { u32 flags); }; -#define i915_is_ggtt(V) ((V)->is_ggtt) +#define i915_is_ggtt(V) (!(V)->file) /* The Graphics Translation Table is the way in which GEN hardware translates a * Graphics Virtual Address into a Physical Address. In addition to the normal @@ -377,8 +384,6 @@ struct i915_hw_ppgtt { struct i915_page_directory pd; /* GEN6-7 */ }; - struct drm_i915_file_private *file_priv; - gen6_pte_t __iomem *pd_addr; int (*enable)(struct i915_hw_ppgtt *ppgtt); @@ -526,7 +531,7 @@ void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv); int i915_ppgtt_init_hw(struct drm_device *dev); void i915_ppgtt_release(struct kref *kref); -struct i915_hw_ppgtt *i915_ppgtt_create(struct drm_device *dev, +struct i915_hw_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv, struct drm_i915_file_private *fpriv); static inline void i915_ppgtt_get(struct i915_hw_ppgtt *ppgtt) { |
