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: 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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index c04ea7f1e819b12efddf5dd978d08edca7b9005a..f600f3a3fe50ba900f1ab364f895097cf351d321 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -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 &&

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index 782cbca37538fd1d99b4d6dfd4d7ca812523ebb3..9e2a4c552a4a3342b52f406dedd9917420167cad 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -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);