drm/i915: Tweak RPS thresholds to more aggressively downclock

[firefly-linux-kernel-4.4.55.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 07de53c40e577b539381ddfab58ad7022cc6fc2a..5118ac300c429427421d3d7841cf79f5b3408948 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -324,7 +324,7 @@ struct drm_i915_error_state {
                u32 dirty:1;
                u32 purgeable:1;
                s32 ring:4;
-               u32 cache_level:2;
+               u32 cache_level:3;
        } **active_bo, **pinned_bo;
        u32 *active_bo_count, *pinned_bo_count;
        struct intel_overlay_error_state *overlay;
@@ -408,6 +408,8 @@ struct intel_uncore {
 
        unsigned fifo_count;
        unsigned forcewake_count;
+
+       struct delayed_work force_wake_work;
 };
 
 #define DEV_INFO_FOR_EACH_FLAG(func, sep) \
@@ -842,17 +844,19 @@ struct intel_gen6_power_mgmt {
        struct work_struct work;
        u32 pm_iir;
 
-       /* On vlv we need to manually drop to Vmin with a delayed work. */
-       struct delayed_work vlv_work;
-
        /* The below variables an all the rps hw state are protected by
         * dev->struct mutext. */
        u8 cur_delay;
        u8 min_delay;
        u8 max_delay;
        u8 rpe_delay;
+       u8 rp1_delay;
+       u8 rp0_delay;
        u8 hw_max;
 
+       int last_adj;
+       enum { LOW_POWER, BETWEEN, HIGH_POWER } power;
+
        struct delayed_work delayed_resume_work;
 
        /*
@@ -962,6 +966,15 @@ struct i915_gem_mm {
         */
        struct delayed_work retire_work;
 
+       /**
+        * When we detect an idle GPU, we want to turn on
+        * powersaving features. So once we see that there
+        * are no more requests outstanding and no more
+        * arrive within a small period of time, we fire
+        * off the idle_work.
+        */
+       struct delayed_work idle_work;
+
        /**
         * Are we in a non-interruptible section of code like
         * modesetting?
@@ -1011,6 +1024,9 @@ struct i915_gpu_error {
        struct drm_i915_error_state *first_error;
        struct work_struct work;
 
+
+       unsigned long missed_irq_rings;
+
        /**
         * State variable and reset counter controlling the reset flow
         *
@@ -1049,6 +1065,9 @@ struct i915_gpu_error {
 
        /* For gpu hang simulation. */
        unsigned int stop_rings;
+
+       /* For missed irq/seqno simulation. */
+       unsigned int test_irq_rings;
 };
 
 enum modeset_restore {
@@ -1589,13 +1608,17 @@ struct drm_i915_gem_request {
 };
 
 struct drm_i915_file_private {
+       struct drm_i915_private *dev_priv;
+
        struct {
                spinlock_t lock;
                struct list_head request_list;
+               struct delayed_work idle_work;
        } mm;
        struct idr context_idr;
 
        struct i915_ctx_hang_stats hang_stats;
+       atomic_t rps_wait_boost;
 };
 
 #define INTEL_INFO(dev)        (to_i915(dev)->info)
@@ -1684,6 +1707,7 @@ struct drm_i915_file_private {
 #define HAS_DDI(dev)           (INTEL_INFO(dev)->has_ddi)
 #define HAS_POWER_WELL(dev)    (IS_HASWELL(dev))
 #define HAS_FPGA_DBG_UNCLAIMED(dev)    (INTEL_INFO(dev)->has_fpga_dbg)
+#define HAS_PSR(dev)           (IS_HASWELL(dev))
 
 #define INTEL_PCH_DEVICE_ID_MASK               0xff00
 #define INTEL_PCH_IBX_DEVICE_ID_TYPE           0x3b00
@@ -1800,6 +1824,7 @@ extern void intel_uncore_early_sanitize(struct drm_device *dev);
 extern void intel_uncore_init(struct drm_device *dev);
 extern void intel_uncore_clear_errors(struct drm_device *dev);
 extern void intel_uncore_check_errors(struct drm_device *dev);
+extern void intel_uncore_fini(struct drm_device *dev);
 
 void
 i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
@@ -1901,9 +1926,8 @@ static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
 int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
 int i915_gem_object_sync(struct drm_i915_gem_object *obj,
                         struct intel_ring_buffer *to);
-void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
-                                   struct intel_ring_buffer *ring);
-
+void i915_vma_move_to_active(struct i915_vma *vma,
+                            struct intel_ring_buffer *ring);
 int i915_gem_dumb_create(struct drm_file *file_priv,
                         struct drm_device *dev,
                         struct drm_mode_create_dumb *args);
@@ -1944,7 +1968,7 @@ i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj)
        }
 }
 
-void i915_gem_retire_requests(struct drm_device *dev);
+bool i915_gem_retire_requests(struct drm_device *dev);
 void i915_gem_retire_requests_ring(struct intel_ring_buffer *ring);
 int __must_check i915_gem_check_wedge(struct i915_gpu_error *error,
                                      bool interruptible);
@@ -1995,6 +2019,7 @@ int i915_gem_attach_phys_object(struct drm_device *dev,
 void i915_gem_detach_phys_object(struct drm_device *dev,
                                 struct drm_i915_gem_object *obj);
 void i915_gem_free_all_phys_object(struct drm_device *dev);
+int i915_gem_open(struct drm_device *dev, struct drm_file *file);
 void i915_gem_release(struct drm_device *dev, struct drm_file *file);
 
 uint32_t
@@ -2026,6 +2051,9 @@ struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
 struct i915_vma *
 i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
                                  struct i915_address_space *vm);
+
+struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj);
+
 /* Some GGTT VM helpers */
 #define obj_to_ggtt(obj) \
        (&((struct drm_i915_private *)(obj)->base.dev->dev_private)->gtt.base)
@@ -2062,7 +2090,6 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
        return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment,
                                   map_and_fenceable, nonblocking);
 }
-#undef obj_to_ggtt
 
 /* i915_gem_context.c */
 void i915_gem_context_init(struct drm_device *dev);