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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.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 9d0ae5ad7e5..af09eaa84be 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -11,6 +11,8 @@ struct intel_hw_status_page {
#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL(ring->mmio_base), val)
#define I915_READ_START(ring) I915_READ(RING_START(ring->mmio_base))
#define I915_WRITE_START(ring, val) I915_WRITE(RING_START(ring->mmio_base), val)
+#define I915_READ_HEAD(ring) I915_READ(RING_HEAD(ring->mmio_base))
+#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD(ring->mmio_base), val)
struct drm_i915_gem_execbuffer2;
struct intel_ring_buffer {
@@ -21,7 +23,6 @@ struct intel_ring_buffer {
} id;
struct ring_regs {
u32 ctl;
- u32 head;
} regs;
u32 mmio_base;
unsigned long size;
@@ -48,8 +49,6 @@ struct intel_ring_buffer {
int (*init)(struct drm_device *dev,
struct intel_ring_buffer *ring);
- unsigned int (*get_head)(struct drm_device *dev,
- struct intel_ring_buffer *ring);
void (*set_tail)(struct drm_device *dev,
struct intel_ring_buffer *ring,
u32 value);