drm/i915: detect hang using per ring hangcheck_score

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / intel_ringbuffer.h

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index d66208c2c48b61e350e2dbf98c0d52cfbda27f96..4c7e103e6fa4c779d2554c2f983cd8075b139865 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -37,14 +37,21 @@ struct  intel_hw_status_page {
 #define I915_READ_SYNC_0(ring) I915_READ(RING_SYNC_0((ring)->mmio_base))
 #define I915_READ_SYNC_1(ring) I915_READ(RING_SYNC_1((ring)->mmio_base))
 
+struct intel_ring_hangcheck {
+       u32 seqno;
+       u32 acthd;
+       int score;
+};
+
 struct  intel_ring_buffer {
        const char      *name;
        enum intel_ring_id {
                RCS = 0x0,
                VCS,
                BCS,
+               VECS,
        } id;
-#define I915_NUM_RINGS 3
+#define I915_NUM_RINGS 4
        u32             mmio_base;
        void            __iomem *virtual_start;
        struct          drm_device *dev;
@@ -67,7 +74,10 @@ struct  intel_ring_buffer {
         */
        u32             last_retired_head;
 
-       u32             irq_refcount;           /* protected by dev_priv->irq_lock */
+       struct {
+               u32     gt; /*  protected by dev_priv->irq_lock */
+               u32     pm; /*  protected by dev_priv->rps.lock (sucks) */
+       } irq_refcount;
        u32             irq_enable_mask;        /* bitmask to enable ring interrupt */
        u32             trace_irq_seqno;
        u32             sync_seqno[I915_NUM_RINGS-1];
@@ -102,8 +112,11 @@ struct  intel_ring_buffer {
                                   struct intel_ring_buffer *to,
                                   u32 seqno);
 
-       u32             semaphore_register[3]; /*our mbox written by others */
-       u32             signal_mbox[2]; /* mboxes this ring signals to */
+       /* our mbox written by others */
+       u32             semaphore_register[I915_NUM_RINGS];
+       /* mboxes this ring signals to */
+       u32             signal_mbox[I915_NUM_RINGS];
+
        /**
         * List of objects currently involved in rendering from the
         * ringbuffer.
@@ -135,7 +148,9 @@ struct  intel_ring_buffer {
         */
        bool itlb_before_ctx_switch;
        struct i915_hw_context *default_context;
-       struct drm_i915_gem_object *last_context_obj;
+       struct i915_hw_context *last_context;
+
+       struct intel_ring_hangcheck hangcheck;
 
        void *private;
 };
@@ -224,6 +239,7 @@ int intel_ring_invalidate_all_caches(struct intel_ring_buffer *ring);
 int intel_init_render_ring_buffer(struct drm_device *dev);
 int intel_init_bsd_ring_buffer(struct drm_device *dev);
 int intel_init_blt_ring_buffer(struct drm_device *dev);
+int intel_init_vebox_ring_buffer(struct drm_device *dev);
 
 u32 intel_ring_get_active_head(struct intel_ring_buffer *ring);
 void intel_ring_setup_status_page(struct intel_ring_buffer *ring);