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drm/amdgpu: Disable verbose for p2p dist calc

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Disable verbose while getting p2p distance. With verbose, it shows
warning if ACS redirect is set between the devices. Adds noise
to dmesg logs when a few GPU devices are on the same platform.

Example log:

amdgpu 0000:34:00.0: ACS redirect is set between the client and provider (0000:31:00.0)
amdgpu 0000:34:00.0: to disable ACS redirect for this path, add the kernel parameter:
	pci=disable_acs_redir=0000:30:00.0;0000:2e:00.0;0000:33:00.0;0000:2e:10.0

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2022-09-21 17:37:37 +05:30
committed by Alex Deucher
parent 642c040113
commit d0fa84f174
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@@ -5578,7 +5578,7 @@ bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
adev->gmc.aper_base + adev->gmc.aper_size - 1;
bool p2p_access = !adev->gmc.xgmi.connected_to_cpu &&
!(pci_p2pdma_distance_many(adev->pdev,
&peer_adev->dev, 1, true) < 0);
&peer_adev->dev, 1, false) < 0);
return pcie_p2p && p2p_access && (adev->gmc.visible_vram_size &&
adev->gmc.real_vram_size == adev->gmc.visible_vram_size &&

2
drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
View File

@@ -58,7 +58,7 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf,
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
int r;
if (pci_p2pdma_distance_many(adev->pdev, &attach->dev, 1, true) < 0)
if (pci_p2pdma_distance_many(adev->pdev, &attach->dev, 1, false) < 0)
attach->peer2peer = false;
r = pm_runtime_get_sync(adev_to_drm(adev)->dev);