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drm/amdgpu: add asic callback for BACO support

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BACO - Bus Active, Chip Off

Used to check whether the device supports BACO.  This will
be used to enable runtime pm on devices which support BACO.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2019-10-04 10:01:35 -05:00
parent 30b2c0cae4
commit 69d5436d4d
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -589,6 +589,8 @@ struct amdgpu_asic_funcs {
bool (*need_reset_on_init)(struct amdgpu_device *adev); bool (*need_reset_on_init)(struct amdgpu_device *adev);
/* PCIe replay counter */ /* PCIe replay counter */
uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev); uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
/* device supports BACO */
bool (*supports_baco)(struct amdgpu_device *adev);
}; };
/* /*
@@ -1120,6 +1122,8 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
#define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1))) #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
#define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev)) #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
#define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev))) #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
#define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
#define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter)); #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
/* Common functions */ /* Common functions */