Commit d0fa84f1 authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Disable verbose for p2p dist calc 



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: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarGuchun Chen <guchun.chen@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 642c0401

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+1 −1
Original line number Diff line number Diff line
@@ -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 &&

drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c

+1 −1
Original line number Diff line number Diff line
@@ -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);