[PATCH v2] drm/amdkfd: Print bdf in peer map failure message

[Harish Kasiviswanathan]

Print alloc node, peer node and memory domain when peer map fails. This
is more useful

v2: use dev_err instead of pr_err
    use bdf for identify peer gpu

Signed-off-by: Harish Kasiviswanathan <harish.kasiviswanat...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 965af2a08bc0..9141b674947d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1215,8 +1215,15 @@ static int kfd_ioctl_map_memory_to_gpu(struct file 
*filep,
                        peer_pdd->dev->adev, (struct kgd_mem *)mem,
                        peer_pdd->drm_priv, &table_freed);
                if (err) {
-                       pr_err("Failed to map to gpu %d/%d\n",
-                              i, args->n_devices);
+                       struct pci_dev *pdev = peer_pdd->dev->adev->pdev;
+
+                       dev_err(dev->adev->dev,
+                              "Failed to map peer:%04x:%02x:%02x.%d 
mem_domain:%d\n",
+                              pci_domain_nr(pdev->bus),
+                              pdev->bus->number,
+                              PCI_SLOT(pdev->devfn),
+                              PCI_FUNC(pdev->devfn),
+                              ((struct kgd_mem *)mem)->domain);
                        goto map_memory_to_gpu_failed;
                }
                args->n_success = i+1;
-- 
2.25.1