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drm/amdgpu/soc15: add PCI reset support

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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 11:24:49 -05:00
parent ffbfd081b4
commit 1176a1e0b9
1 changed files with 14 additions and 10 deletions
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6
drivers/gpu/drm/amd/amdgpu/soc15.c
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@@ -479,7 +479,8 @@ soc15_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)
@@ -524,6 +525,9 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
return 0;
switch (soc15_asic_reset_method(adev)) {
case AMD_RESET_METHOD_PCI:
dev_info(adev->dev, "PCI reset\n");
return amdgpu_device_pci_reset(adev);
case AMD_RESET_METHOD_BACO:
dev_info(adev->dev, "BACO reset\n");
return soc15_asic_baco_reset(adev);