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drm/amdgpu: Add field in amdgpu_dev to hold reserved doorbell index

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This is a preparation work to make reserved doorbell index per device,
instead of using a global macro definition. By doing this, we can easily
change doorbell layout for future ASICs while not affecting ASICs in
production.

Signed-off-by: Oak Zeng <ozeng@amd.com>
Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oak Zeng 2018-11-16 19:23:44 -06:00 committed by Alex Deucher
parent 8bcbc9ef96
commit 409c5191b4
1 changed files with 50 additions and 0 deletions
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50
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -810,6 +810,55 @@ struct amd_powerplay {
uint32_t pp_feature;
};
/* Reserved doorbells for amdgpu (including multimedia).
* KFD can use all the rest in the 2M doorbell bar.
* For asic before vega10, doorbell is 32-bit, so the
* index/offset is in dword. For vega10 and after, doorbell
* can be 64-bit, so the index defined is in qword.
*/
struct amdgpu_doorbell_index {
uint32_t kiq;
uint32_t mec_ring0;
uint32_t mec_ring1;
uint32_t mec_ring2;
uint32_t mec_ring3;
uint32_t mec_ring4;
uint32_t mec_ring5;
uint32_t mec_ring6;
uint32_t mec_ring7;
uint32_t userqueue_start;
uint32_t userqueue_end;
uint32_t gfx_ring0;
uint32_t sdma_engine0;
uint32_t sdma_engine1;
uint32_t sdma_engine2;
uint32_t sdma_engine3;
uint32_t sdma_engine4;
uint32_t sdma_engine5;
uint32_t sdma_engine6;
uint32_t sdma_engine7;
uint32_t ih;
union {
struct {
uint32_t vcn_ring0_1;
uint32_t vcn_ring2_3;
uint32_t vcn_ring4_5;
uint32_t vcn_ring6_7;
} vcn;
struct {
uint32_t uvd_ring0_1;
uint32_t uvd_ring2_3;
uint32_t uvd_ring4_5;
uint32_t uvd_ring6_7;
uint32_t vce_ring0_1;
uint32_t vce_ring2_3;
uint32_t vce_ring4_5;
uint32_t vce_ring6_7;
} uvd_vce;
};
uint32_t max_assignment;
};
#define AMDGPU_RESET_MAGIC_NUM 64
struct amdgpu_device {
struct device *dev;
@ -1023,6 +1072,7 @@ struct amdgpu_device {
unsigned long last_mm_index;
bool in_gpu_reset;
struct mutex lock_reset;
struct amdgpu_doorbell_index doorbell_index;
};
static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)