Am 21.09.22 um 14:30 schrieb Lijo Lazar:
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@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx> for both patches.
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index c04ea7f1e819..f600f3a3fe50 100644
--- 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 782cbca37538..9e2a4c552a4a 100644
--- 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);
