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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.h28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 5cbafc00bfd5..d1b2d9bd89eb 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -84,7 +84,7 @@ struct intel_ring_hangcheck {
struct intel_ringbuffer {
struct drm_i915_gem_object *obj;
- void __iomem *virtual_start;
+ void *virtual_start;
struct i915_vma *vma;
struct intel_engine_cs *engine;
@@ -453,23 +453,35 @@ int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request);
int __must_check intel_ring_begin(struct drm_i915_gem_request *req, int n);
int __must_check intel_ring_cacheline_align(struct drm_i915_gem_request *req);
-static inline void intel_ring_emit(struct intel_engine_cs *engine,
- u32 data)
+
+static inline void __intel_ringbuffer_emit(struct intel_ringbuffer *rb,
+ u32 data)
+{
+ *(uint32_t *)(rb->virtual_start + rb->tail) = data;
+ rb->tail += 4;
+}
+
+static inline void __intel_ringbuffer_advance(struct intel_ringbuffer *rb)
+{
+ rb->tail &= rb->size - 1;
+}
+
+static inline void intel_ring_emit(struct intel_engine_cs *engine, u32 data)
{
- struct intel_ringbuffer *ringbuf = engine->buffer;
- iowrite32(data, ringbuf->virtual_start + ringbuf->tail);
- ringbuf->tail += 4;
+ __intel_ringbuffer_emit(engine->buffer, data);
}
+
static inline void intel_ring_emit_reg(struct intel_engine_cs *engine,
i915_reg_t reg)
{
intel_ring_emit(engine, i915_mmio_reg_offset(reg));
}
+
static inline void intel_ring_advance(struct intel_engine_cs *engine)
{
- struct intel_ringbuffer *ringbuf = engine->buffer;
- ringbuf->tail &= ringbuf->size - 1;
+ __intel_ringbuffer_advance(engine->buffer);
}
+
int __intel_ring_space(int head, int tail, int size);
void intel_ring_update_space(struct intel_ringbuffer *ringbuf);