[PATCH 4/4] drm/amdgpu: Use xgmi APIs to get bandwidth

[Lijo Lazar]

Use xgmi API to get max bandwidth details.

Signed-off-by: Lijo Lazar <lijo.la...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 2c1b38c5cfc6..e6bc70fb1eb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -576,6 +576,7 @@ int amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(struct 
amdgpu_device *dst,
                                            bool is_min)
 {
        struct amdgpu_device *adev = dst, *peer_adev;
+       uint32_t link_max_bandwidth;
        int num_links;
 
        if (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(9, 4, 2))
@@ -593,8 +594,9 @@ int amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(struct 
amdgpu_device *dst,
                num_links = 0;
        }
 
-       /* Aldebaran xGMI DPM is defeatured so assume x16 x 25Gbps for 
bandwidth. */
-       return (num_links * 16 * 25000)/BITS_PER_BYTE;
+       link_max_bandwidth = amdgpu_xgmi_get_max_bandwidth(adev);
+
+       return (num_links * link_max_bandwidth)/BITS_PER_BYTE;
 }
 
 int amdgpu_amdkfd_get_pcie_bandwidth_mbytes(struct amdgpu_device *adev, bool 
is_min)
-- 
2.25.1