[PATCH 7/7] drm/amdgpu/nv: add PCI reset support

[Alex Deucher]

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.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/nv.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index e6878645df93..227e4a5db10e 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -564,7 +564,8 @@ 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)
@@ -596,6 +597,10 @@ 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");
 
-- 
2.29.2