drm/i915: mm_list is per VMA

[deliverable/linux.git] / drivers / gpu / drm / i915 / i915_drv.h

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a8b51d525f8c5ccd06f15915e095d963bb648f5b..20becc5500bd8a3c3863d4b37e26ef1ec916c57d 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -449,8 +449,11 @@ struct intel_device_info {
 
 enum i915_cache_level {
        I915_CACHE_NONE = 0,
-       I915_CACHE_LLC,
-       I915_CACHE_LLC_MLC, /* gen6+, in docs at least! */
+       I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
+       I915_CACHE_L3_LLC, /* gen7+, L3 sits between the domain specifc
+                             caches, eg sampler/render caches, and the
+                             large Last-Level-Cache. LLC is coherent with
+                             the CPU, but L3 is only visible to the GPU. */
 };
 
 typedef uint32_t gen6_gtt_pte_t;
@@ -542,7 +545,12 @@ struct i915_hw_ppgtt {
        int (*enable)(struct drm_device *dev);
 };
 
-/* To make things as simple as possible (ie. no refcounting), a VMA's lifetime
+/**
+ * A VMA represents a GEM BO that is bound into an address space. Therefore, a
+ * VMA's presence cannot be guaranteed before binding, or after unbinding the
+ * object into/from the address space.
+ *
+ * To make things as simple as possible (ie. no refcounting), a VMA's lifetime
  * will always be <= an objects lifetime. So object refcounting should cover us.
  */
 struct i915_vma {
@@ -550,6 +558,9 @@ struct i915_vma {
        struct drm_i915_gem_object *obj;
        struct i915_address_space *vm;
 
+       /** This object's place on the active/inactive lists */
+       struct list_head mm_list;
+
        struct list_head vma_link; /* Link in the object's VMA list */
 };
 
@@ -1047,6 +1058,11 @@ struct intel_vbt_data {
        struct child_device_config *child_dev;
 };
 
+enum intel_ddb_partitioning {
+       INTEL_DDB_PART_1_2,
+       INTEL_DDB_PART_5_6, /* IVB+ */
+};
+
 typedef struct drm_i915_private {
        struct drm_device *dev;
        struct kmem_cache *slab;
@@ -1216,6 +1232,20 @@ typedef struct drm_i915_private {
 
        struct i915_suspend_saved_registers regfile;
 
+       struct {
+               /*
+                * Raw watermark latency values:
+                * in 0.1us units for WM0,
+                * in 0.5us units for WM1+.
+                */
+               /* primary */
+               uint16_t pri_latency[5];
+               /* sprite */
+               uint16_t spr_latency[5];
+               /* cursor */
+               uint16_t cur_latency[5];
+       } wm;
+
        /* Old dri1 support infrastructure, beware the dragons ya fools entering
         * here! */
        struct i915_dri1_state dri1;
@@ -1272,9 +1302,7 @@ struct drm_i915_gem_object {
        struct drm_mm_node *stolen;
        struct list_head global_list;
 
-       /** This object's place on the active/inactive lists */
        struct list_head ring_list;
-       struct list_head mm_list;
        /** This object's place in the batchbuffer or on the eviction list */
        struct list_head exec_list;
 
@@ -1715,7 +1743,8 @@ int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
                                     bool map_and_fenceable,
                                     bool nonblocking);
 void i915_gem_object_unpin(struct drm_i915_gem_object *obj);
-int __must_check i915_gem_object_unbind(struct drm_i915_gem_object *obj);
+int __must_check i915_vma_unbind(struct i915_vma *vma);
+int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj);
 int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
 void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
 void i915_gem_lastclose(struct drm_device *dev);
@@ -1960,7 +1989,9 @@ static inline void i915_gem_chipset_flush(struct drm_device *dev)
 
 
 /* i915_gem_evict.c */
-int __must_check i915_gem_evict_something(struct drm_device *dev, int min_size,
+int __must_check i915_gem_evict_something(struct drm_device *dev,
+                                         struct i915_address_space *vm,
+                                         int min_size,
                                          unsigned alignment,
                                          unsigned cache_level,
                                          bool mappable,