[PATCH 01/27] drm/amdgpu: add amdgpu_ih_regs structure

[Hawking Zhang]

amdgpu_ih_regs holds all the registers for
an ih ring

Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling at amd.com>
Reviewed-by: Dennis Li <Dennis.Li at amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
index 3c9cfe7eecff..94c565b9eca8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
@@ -30,6 +30,18 @@
 struct amdgpu_device;
 struct amdgpu_iv_entry;
 
+struct amdgpu_ih_regs {
+	uint32_t ih_rb_base;
+	uint32_t ih_rb_base_hi;
+	uint32_t ih_rb_cntl;
+	uint32_t ih_rb_wptr;
+	uint32_t ih_rb_rptr;
+	uint32_t ih_doorbell_rptr;
+	uint32_t ih_rb_wptr_addr_lo;
+	uint32_t ih_rb_wptr_addr_hi;
+	uint32_t psp_reg_id;
+};
+
 /*
  * R6xx+ IH ring
  */
@@ -53,6 +65,7 @@ struct amdgpu_ih_ring {
 	bool                    enabled;
 	unsigned		rptr;
 	atomic_t		lock;
+	struct amdgpu_ih_regs	ih_regs;
 };
 
 /* provided by the ih block */
-- 
2.17.1