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| author | Xiangliang Yu <Xiangliang.Yu@amd.com> | 2017-01-12 09:29:34 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-01-27 19:13:23 +0300 |
| commit | bc992ba5a3c19c79873fab46f17dcb20a9b84a85 (patch) | |
| tree | 23cf12855d672c087c867748c68fb69db7fcf551 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | |
| parent | 5ec9f06e105dabaaa6b7b9f3b230ddff39b6837f (diff) | |
| download | linux-bc992ba5a3c19c79873fab46f17dcb20a9b84a85.tar.xz | |
drm/amdgpu/virt: use kiq to access registers (v2)
For virtualization, it is must for driver to use KIQ to access
registers when it is out of GPU full access mode.
v2: agd: rebase
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 8bb9e5d307cb..433f559bc4a1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -36,6 +36,7 @@ struct amdgpu_virt { struct amdgpu_bo *csa_obj; uint64_t csa_vmid0_addr; uint32_t reg_val_offs; + struct mutex lock; }; #define AMDGPU_CSA_SIZE (8 * 1024) @@ -68,5 +69,8 @@ static inline bool is_virtual_machine(void) struct amdgpu_vm; int amdgpu_allocate_static_csa(struct amdgpu_device *adev); int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm); +void amdgpu_virt_init_setting(struct amdgpu_device *adev); +uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v); #endif |