diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index bc0365b8fa4d..55d3da26bae7 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -2,7 +2,7 @@ #define _INTEL_RINGBUFFER_H_ struct intel_hw_status_page { - u32 __iomem *page_addr; + u32 *page_addr; unsigned int gfx_addr; struct drm_i915_gem_object *obj; }; @@ -56,12 +56,9 @@ struct intel_ring_buffer { */ u32 last_retired_head; - spinlock_t irq_lock; - u32 irq_refcount; - u32 irq_mask; - u32 irq_seqno; /* last seq seem at irq time */ + u32 irq_refcount; /* protected by dev_priv->irq_lock */ + u32 irq_enable_mask; /* bitmask to enable ring interrupt */ u32 trace_irq_seqno; - u32 waiting_seqno; u32 sync_seqno[I915_NUM_RINGS-1]; bool __must_check (*irq_get)(struct intel_ring_buffer *ring); void (*irq_put)(struct intel_ring_buffer *ring); @@ -118,11 +115,16 @@ struct intel_ring_buffer { u32 outstanding_lazy_request; wait_queue_head_t irq_queue; - drm_local_map_t map; void *private; }; +static inline bool +intel_ring_initialized(struct intel_ring_buffer *ring) +{ + return ring->obj != NULL; +} + static inline unsigned intel_ring_flag(struct intel_ring_buffer *ring) { @@ -152,7 +154,9 @@ static inline u32 intel_read_status_page(struct intel_ring_buffer *ring, int reg) { - return ioread32(ring->status_page.page_addr + reg); + /* Ensure that the compiler doesn't optimize away the load. */ + barrier(); + return ring->status_page.page_addr[reg]; } /** @@ -170,10 +174,7 @@ intel_read_status_page(struct intel_ring_buffer *ring, * * The area from dword 0x20 to 0x3ff is available for driver usage. */ -#define READ_HWSP(dev_priv, reg) intel_read_status_page(LP_RING(dev_priv), reg) -#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX) #define I915_GEM_HWS_INDEX 0x20 -#define I915_BREADCRUMB_INDEX 0x21 void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring); |