From 357506799bacb21ba1ed7d64e02ac9c4a1f45b31 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Thu, 6 Feb 2025 17:40:42 +0530 Subject: drm/amdgpu: Calculate IP specific xgmi bandwidth Use IP version specific xgmi speed/width for bandwidth calculation. Signed-off-by: Lijo Lazar Reviewed-by: Jonathan Kim Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c') 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; -- cgit v1.2.3