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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_object.h')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_object.h23
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 ecfefb9d42e4..bf90b07163d1 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)
{