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authorLijo Lazar <[email protected]>2025-02-06 12:10:42 +0000
committerAlex Deucher <[email protected]>2025-03-14 03:11:46 +0000
commit357506799bacb21ba1ed7d64e02ac9c4a1f45b31 (patch)
treeb853ed842ae9dc0b009483742c97ceac06dc2ca7 /drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
parentdrm/amdgpu/pm: add VCN activity for renoir (diff)
downloadkernel-357506799bacb21ba1ed7d64e02ac9c4a1f45b31.tar.gz
kernel-357506799bacb21ba1ed7d64e02ac9c4a1f45b31.zip
drm/amdgpu: Calculate IP specific xgmi bandwidth
Use IP version specific xgmi speed/width for bandwidth calculation. Signed-off-by: Lijo Lazar <[email protected]> Reviewed-by: Jonathan Kim <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 7fdf30f1161c..6029a799074d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -844,7 +844,9 @@ int amdgpu_xgmi_get_bandwidth(struct amdgpu_device *adev, struct amdgpu_device *
{
bool peer_mode = bw_mode == AMDGPU_XGMI_BW_MODE_PER_PEER;
int unit_scale = bw_unit == AMDGPU_XGMI_BW_UNIT_MBYTES ? 1000 : 1;
- int speed = 25, num_lanes = 16, num_links = !peer_mode ? 1 : -1;
+ int num_lanes = adev->gmc.xgmi.max_width;
+ int speed = adev->gmc.xgmi.max_speed;
+ int num_links = !peer_mode ? 1 : -1;
if (!(min_bw && max_bw))
return -EINVAL;