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drm/amdgpu: add amdgpu_ih_regs structure

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amdgpu_ih_regs holds all the registers for
an ih ring

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2020-12-01 22:36:46 +08:00 committed by Alex Deucher
parent a135a1b4c4
commit 3c06aaffb0
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
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@ -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 */