diff options
| author | Ce Sun <cesun102@amd.com> | 2025-03-21 10:11:18 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-04-07 15:18:31 -0400 |
| commit | 8ba904f54148d2a093650b13a229d2ff18142f7d (patch) | |
| tree | ae297dcba2086d9f2e2882c0b223ec1fb7e1225b /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 11bb33766f66d0cfe997601d6d974d0158a0e7b8 (diff) | |
drm/amdgpu: Multi-GPU DPC recovery support
Add support for DPC recover based on refactored code
Signed-off-by: Ce Sun <cesun102@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 2db233a9f972..9a9e5249c63f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -551,6 +551,7 @@ struct amdgpu_allowed_register_entry { * are reset depends on the ASIC. Notably doesn't reset IPs * shared with the CPU on APUs or the memory controllers (so * VRAM is not lost). Not available on all ASICs. + * @AMD_RESET_LINK: Triggers SW-UP link reset on other GPUs * @AMD_RESET_BACO: BACO (Bus Alive, Chip Off) method powers off and on the card * but without powering off the PCI bus. Suitable only for * discrete GPUs. @@ -568,6 +569,7 @@ enum amd_reset_method { AMD_RESET_METHOD_MODE0, AMD_RESET_METHOD_MODE1, AMD_RESET_METHOD_MODE2, + AMD_RESET_METHOD_LINK, AMD_RESET_METHOD_BACO, AMD_RESET_METHOD_PCI, AMD_RESET_METHOD_ON_INIT, @@ -830,6 +832,8 @@ struct amdgpu_mqd { }; struct amdgpu_pcie_reset_ctx { + bool in_link_reset; + bool occurs_dpc; bool audio_suspended; }; @@ -1469,6 +1473,7 @@ void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, const u32 array_size); int amdgpu_device_mode1_reset(struct amdgpu_device *adev); +int amdgpu_device_link_reset(struct amdgpu_device *adev); bool amdgpu_device_supports_atpx(struct drm_device *dev); bool amdgpu_device_supports_px(struct drm_device *dev); bool amdgpu_device_supports_boco(struct drm_device *dev); |