From f172865a3632b85f29c2af9b044f4dd51581740f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 4 Feb 2021 11:24:00 -0500 Subject: [PATCH] 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 Signed-off-by: Alex Deucher --- 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 efacf5f..160fa5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -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"); -- 2.7.4