Commit 3c06aaff authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: add amdgpu_ih_regs structure 



amdgpu_ih_regs holds all the registers for
an ih ring

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarDennis Li <Dennis.Li@amd.com>
Reviewed-by: default avatarFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a135a1b4

drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h

+13 −0
Original line number Diff line number Diff line
@@ -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 */