From: Jack Xiao <[email protected]> Define ring structure to access the cpu/gpu address of rptr/wptr/fence instead of dynamic calculation.
Signed-off-by: Jack Xiao <[email protected]> Acked-by: Christian König <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 317a66bcd258..7d89a52091c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -230,6 +230,8 @@ struct amdgpu_ring { struct amdgpu_bo *ring_obj; volatile uint32_t *ring; unsigned rptr_offs; + u64 rptr_gpu_addr; + volatile u32 *rptr_cpu_addr; u64 wptr; u64 wptr_old; unsigned ring_size; @@ -250,7 +252,11 @@ struct amdgpu_ring { bool use_doorbell; bool use_pollmem; unsigned wptr_offs; + u64 wptr_gpu_addr; + volatile u32 *wptr_cpu_addr; unsigned fence_offs; + u64 fence_gpu_addr; + volatile u32 *fence_cpu_addr; uint64_t current_ctx; char name[16]; u32 trail_seq; -- 2.35.1
