diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_object_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index e3f3944fbd90..88e268633fdc 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -63,6 +63,23 @@ struct drm_i915_gem_object_ops { void (*release)(struct drm_i915_gem_object *obj); }; +enum i915_mmap_type { + I915_MMAP_TYPE_GTT = 0, + I915_MMAP_TYPE_WC, + I915_MMAP_TYPE_WB, + I915_MMAP_TYPE_UC, +}; + +struct i915_mmap_offset { + struct drm_device *dev; + struct drm_vma_offset_node vma_node; + struct drm_i915_gem_object *obj; + struct drm_file *file; + enum i915_mmap_type mmap_type; + + struct list_head offset; +}; + struct drm_i915_gem_object { struct drm_gem_object base; @@ -118,12 +135,18 @@ struct drm_i915_gem_object { unsigned int userfault_count; struct list_head userfault_link; + struct { + spinlock_t lock; /* Protects access to mmo offsets */ + struct list_head offsets; + } mmo; + I915_SELFTEST_DECLARE(struct list_head st_link); unsigned long flags; #define I915_BO_ALLOC_CONTIGUOUS BIT(0) #define I915_BO_ALLOC_VOLATILE BIT(1) #define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | I915_BO_ALLOC_VOLATILE) +#define I915_BO_READONLY BIT(2) /* * Is the object to be mapped as read-only to the GPU @@ -162,7 +185,11 @@ struct drm_i915_gem_object { atomic_t bind_count; struct { - struct mutex lock; /* protects the pages and their use */ + /* + * Protects the pages and their use. Do not use directly, but + * instead go through the pin/unpin interfaces. + */ + struct mutex lock; atomic_t pages_pin_count; atomic_t shrink_pin; |