diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-02-06 17:40:42 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-03-13 23:11:46 -0400 |
| commit | 357506799bacb21ba1ed7d64e02ac9c4a1f45b31 (patch) | |
| tree | b853ed842ae9dc0b009483742c97ceac06dc2ca7 | |
| parent | 2bc016737a115469eb19a9a2d5d8d60ed38f6f82 (diff) | |
drm/amdgpu: Calculate IP specific xgmi bandwidth
Use IP version specific xgmi speed/width for bandwidth calculation.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Jonathan Kim <jonathan.kim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 9e9fec5b52de..17ce1677378e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2757,6 +2757,9 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) if (!total) return -ENODEV; + if (adev->gmc.xgmi.supported) + amdgpu_xgmi_early_init(adev); + ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GFX); if (ip_block->status.valid != false) amdgpu_amdkfd_device_probe(adev); 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; |