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path: root/drivers/gpu/drm/i915/intel_ringbuffer.h
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 49fa41dc0eb6..49574ffe54bc 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -100,6 +100,7 @@ struct intel_ringbuffer {
void __iomem *virtual_start;
struct intel_engine_cs *ring;
+ struct list_head link;
u32 head;
u32 tail;
@@ -157,6 +158,7 @@ struct intel_engine_cs {
u32 mmio_base;
struct drm_device *dev;
struct intel_ringbuffer *buffer;
+ struct list_head buffers;
/*
* A pool of objects to use as shadow copies of client batch buffers
@@ -247,7 +249,7 @@ struct intel_engine_cs {
/* our mbox written by others */
u32 wait[I915_NUM_RINGS];
/* mboxes this ring signals to */
- u32 signal[I915_NUM_RINGS];
+ i915_reg_t signal[I915_NUM_RINGS];
} mbox;
u64 signal_ggtt[I915_NUM_RINGS];
};
@@ -348,7 +350,11 @@ struct intel_engine_cs {
u32 (*get_cmd_length_mask)(u32 cmd_header);
};
-bool intel_ring_initialized(struct intel_engine_cs *ring);
+static inline bool
+intel_ring_initialized(struct intel_engine_cs *ring)
+{
+ return ring->dev != NULL;
+}
static inline unsigned
intel_ring_flag(struct intel_engine_cs *ring)
@@ -441,6 +447,11 @@ static inline void intel_ring_emit(struct intel_engine_cs *ring,
iowrite32(data, ringbuf->virtual_start + ringbuf->tail);
ringbuf->tail += 4;
}
+static inline void intel_ring_emit_reg(struct intel_engine_cs *ring,
+ i915_reg_t reg)
+{
+ intel_ring_emit(ring, i915_mmio_reg_offset(reg));
+}
static inline void intel_ring_advance(struct intel_engine_cs *ring)
{
struct intel_ringbuffer *ringbuf = ring->buffer;