Used to determine if we need to reset the asic on init due
to the driver having been previously loaded or not shutdown
cleanly. E.g., kexec or VM passthrough.
v2: rebase
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index bcef6ea4bcf9..d27fa2ffb2f0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -542,6 +542,8 @@ struct amdgpu_asic_funcs {
bool (*need_full_reset)(struct amdgpu_device *adev);
/* initialize doorbell layout for specific asic*/
void (*init_doorbell_index)(struct amdgpu_device *adev);
+ /* do we need to reset the asic at init time (e.g., kexec) */
+ bool (*need_reset_on_init)(struct amdgpu_device *adev);
};
/*
@@ -1042,6 +1044,7 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
#define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
#define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
#define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
+#define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
/* Common functions */
bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
--
2.20.1
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