diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_object.h')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_object.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h index 6a368de9d81e..290eaa7fc9eb 100644 --- a/drivers/gpu/drm/i915/i915_gem_object.h +++ b/drivers/gpu/drm/i915/i915_gem_object.h @@ -317,6 +317,29 @@ i915_gem_object_get_stride(struct drm_i915_gem_object *obj) return obj->tiling_and_stride & STRIDE_MASK; } +static inline unsigned int +i915_gem_tile_height(unsigned int tiling) +{ + GEM_BUG_ON(!tiling); + return tiling == I915_TILING_Y ? 32 : 8; +} + +static inline unsigned int +i915_gem_object_get_tile_height(struct drm_i915_gem_object *obj) +{ + return i915_gem_tile_height(i915_gem_object_get_tiling(obj)); +} + +static inline unsigned int +i915_gem_object_get_tile_row_size(struct drm_i915_gem_object *obj) +{ + return (i915_gem_object_get_stride(obj) * + i915_gem_object_get_tile_height(obj)); +} + +int i915_gem_object_set_tiling(struct drm_i915_gem_object *obj, + unsigned int tiling, unsigned int stride); + static inline struct intel_engine_cs * i915_gem_object_last_write_engine(struct drm_i915_gem_object *obj) { |