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drm/amdgpu/nv: add PCI reset support 

Use generic PCI reset for GPU reset if the user specifies
PCI reset as the reset mechanism.  This should in general
only be used for validation.

Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2021-02-04 11:24:00 -05:00
parent 1176a1e0b9
commit f172865a36
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/amd/amdgpu/nv.c
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@ -391,7 +391,8 @@ nv_asic_reset_method(struct amdgpu_device *adev)
if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
amdgpu_reset_method == AMD_RESET_METHOD_BACO)
amdgpu_reset_method == AMD_RESET_METHOD_BACO ||
amdgpu_reset_method == AMD_RESET_METHOD_PCI)
return amdgpu_reset_method;
if (amdgpu_reset_method != -1)
@ -423,6 +424,10 @@ static int nv_asic_reset(struct amdgpu_device *adev)
return 0;
switch (nv_asic_reset_method(adev)) {
case AMD_RESET_METHOD_PCI:
dev_info(adev->dev, "PCI reset\n");
ret = amdgpu_device_pci_reset(adev);
break;
case AMD_RESET_METHOD_BACO:
dev_info(adev->dev, "BACO reset\n");