[PATCH 2/2] drm/amdgpu: Use simplified API for p2p dist calc

[Chen, Guchun]

Reviewed-by: Guchun Chen <guchun.chen at amd.com>

Regards,
Guchun

-----Original Message-----
From: Lazar, Lijo <Lijo.Lazar at amd.com> 
Sent: Wednesday, September 21, 2022 8:30 PM
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>; Chen, Guchun <Guchun.Chen at amd.com>; Bai, Zoy (zoybai) <Zoy.Bai at amd.com>
Subject: [PATCH 2/2] drm/amdgpu: Use simplified API for p2p dist calc

Use the simpified API that calculates distance between two devices.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c  | 6 +++---  drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f600f3a3fe50..ec1023e7b0cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5576,9 +5576,9 @@ bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
 		~*peer_adev->dev->dma_mask : ~((1ULL << 32) - 1);
 	resource_size_t aper_limit =
 		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, false) < 0);
+	bool p2p_access =
+		!adev->gmc.xgmi.connected_to_cpu &&
+		!(pci_p2pdma_distance(adev->pdev, peer_adev->dev, 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 9e2a4c552a4a..7bd8e33b14be 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, false) < 0)
+	if (pci_p2pdma_distance(adev->pdev, attach->dev, false) < 0)
 		attach->peer2peer = false;
 
 	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
--
2.25.1