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path: root/drivers/gpu/drm/i915/i915_gem_object.h
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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.h32
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h
index 5b19a4916a4d..c30d8f808185 100644
--- a/drivers/gpu/drm/i915/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/i915_gem_object.h
@@ -33,8 +33,24 @@
#include <drm/i915_drm.h>
+#include "i915_gem_request.h"
#include "i915_selftest.h"
+struct drm_i915_gem_object;
+
+/*
+ * struct i915_lut_handle tracks the fast lookups from handle to vma used
+ * for execbuf. Although we use a radixtree for that mapping, in order to
+ * remove them as the object or context is closed, we need a secondary list
+ * and a translation entry (i915_lut_handle).
+ */
+struct i915_lut_handle {
+ struct list_head obj_link;
+ struct list_head ctx_link;
+ struct i915_gem_context *ctx;
+ u32 handle;
+};
+
struct drm_i915_gem_object_ops {
unsigned int flags;
#define I915_GEM_OBJECT_HAS_STRUCT_PAGE BIT(0)
@@ -86,7 +102,15 @@ struct drm_i915_gem_object {
* They are also added to @vma_list for easy iteration.
*/
struct rb_root vma_tree;
- struct i915_vma *vma_hashed;
+
+ /**
+ * @lut_list: List of vma lookup entries in use for this object.
+ *
+ * If this object is closed, we need to remove all of its VMA from
+ * the fast lookup index in associated contexts; @lut_list provides
+ * this translation from object to context->handles_vma.
+ */
+ struct list_head lut_list;
/** Stolen memory for this object, instead of being backed by shmem. */
struct drm_mm_node *stolen;
@@ -118,8 +142,10 @@ struct drm_i915_gem_object {
*/
unsigned long gt_ro:1;
unsigned int cache_level:3;
+ unsigned int cache_coherent:2;
+#define I915_BO_CACHE_COHERENT_FOR_READ BIT(0)
+#define I915_BO_CACHE_COHERENT_FOR_WRITE BIT(1)
unsigned int cache_dirty:1;
- unsigned int cache_coherent:1;
atomic_t frontbuffer_bits;
unsigned int frontbuffer_ggtt_origin; /* write once */
@@ -391,6 +417,8 @@ i915_gem_object_last_write_engine(struct drm_i915_gem_object *obj)
return engine;
}
+void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
+ unsigned int cache_level);
void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj);
#endif