linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c, branch v6.15 Linux kernel source tree drm/amdgpu: Parse all deferred errors with UMC aca handle 2025-03-26T21:44:41+00:00 Xiang Liu xiang.liu@amd.com 2025-03-24T09:19:54+00:00 aedc92be9621b31ccc90d79ee7f831944e6bfbef We should only increase the deferred errors in UMC block. Signed-off-by: Xiang Liu <xiang.liu@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
We should only increase the deferred errors in UMC block.

Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Calculate IP specific xgmi bandwidth 2025-03-14T03:11:46+00:00 Lijo Lazar lijo.lazar@amd.com 2025-02-06T12:10:42+00:00 357506799bacb21ba1ed7d64e02ac9c4a1f45b31 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> 
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>
drm/amd/amdgpu: Add support for xgmi_v6_4_1 2025-02-27T21:50:04+00:00 Asad Kamal asad.kamal@amd.com 2025-02-26T04:52:50+00:00 f9234217d0167f43cc0cdccc39353c37de1d028d Add support for xgmi_v6_4_1 and use it appropriate places Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Add support for xgmi_v6_4_1 and use it appropriate places

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Add xgmi speed/width related info 2025-02-27T21:50:04+00:00 Lijo Lazar lijo.lazar@amd.com 2025-02-06T11:54:51+00:00 485993e2f1a6bf3d1e8fb5a38c82edd3ae697ad9 Add APIs to initialize XGMI speed, width details and get to max bandwidth supported. It is assumed that a device only supports same generation of XGMI links with uniform width. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Add APIs to initialize XGMI speed, width details and get to max
bandwidth supported. It is assumed that a device only supports same
generation of XGMI links with uniform width.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Move xgmi definitions to xgmi header 2025-02-27T21:50:04+00:00 Lijo Lazar lijo.lazar@amd.com 2025-02-06T10:46:43+00:00 6f16d101dab5ec6e8fc9567769f73ae8baa3fe38 Move definitions related to xgmi to amdgpu_xgmi header Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Move definitions related to xgmi to amdgpu_xgmi header

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Decode deferred error type in aca bank parser 2025-02-27T21:50:03+00:00 Xiang Liu xiang.liu@amd.com 2025-02-26T03:36:55+00:00 00f85667faf03591666a3a447dc0d489ea9f0cb4 In the case of poison inband log, the error type need to be specified by checking the deferred or poison bit of status register. v2: check both deferred and poison bit Signed-off-by: Xiang Liu <xiang.liu@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
In the case of poison inband log, the error type need to be specified
by checking the deferred or poison bit of status register.

v2: check both deferred and poison bit

Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: simplify xgmi peer info calls 2025-02-25T16:45:12+00:00 Jonathan Kim jonathan.kim@amd.com 2025-02-10T18:15:48+00:00 9424a5bf0836347b737ab27da2c22111abf0ede2 Deprecate KFD XGMI peer info calls in favour of calling directly from simplified XGMI peer info functions. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Deprecate KFD XGMI peer info calls in favour of calling directly from
simplified XGMI peer info functions.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Include ACA error type in aca bank 2025-02-17T19:09:29+00:00 Hawking Zhang Hawking.Zhang@amd.com 2025-01-26T08:32:57+00:00 56316ee91bcefaf535dbe8ba601cf5f14051d09a ACA error types managed by driver a direct 1:1 correspondence with those managed by firmware. To address this, for each ACA bank, include both the ACA error type and the ACA SMU type. This addition is useful for creating CPER records. Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Yang Wang <keivnyang.wang@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
ACA error types managed by driver a direct 1:1
correspondence with those managed by firmware.

To address this, for each ACA bank, include
both the ACA error type and the ACA SMU type.

This addition is useful for creating CPER records.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Yang Wang <keivnyang.wang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Get xgmi link status for XGMI_v_6_4_0 2024-11-20T14:36:48+00:00 Asad Kamal asad.kamal@amd.com 2024-11-11T13:16:01+00:00 466a59abacc6590487faf21bd572d704f7283d47 Get XGMI_v_6_4_0 link status and populate it to metrics v1_7 for SMU_v_13_0_6 v2: Get link status register value for each soc from separate function (Lijo) Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Get XGMI_v_6_4_0 link status and populate it to metrics v1_7 for
SMU_v_13_0_6

v2: Get link status register value for each soc from separate
function (Lijo)

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdkfd: sever xgmi io link if host driver has disable sharing 2024-10-24T22:06:34+00:00 Jonathan Kim Jonathan.Kim@amd.com 2024-09-20T15:46:05+00:00 e46738a58f87fc03962ce907f81e69dcd93f88f5 Host drivers can create partial hives per guest by disabling xgmi sharing between certain peers in the main hive. Typically, these partial hives are fully connected per guest session. In the event that the host makes a mistake by adding a non-shared node to a guest session, have the KFD reflect sharing disabled by severing the IO link. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Tested-by: James Yao <yiqing.yao@amd.com> Reviewed-by: Harish Kasiviswanathan <harish.kasiviswanathan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Host drivers can create partial hives per guest by disabling xgmi sharing
between certain peers in the main hive.
Typically, these partial hives are fully connected per guest session.
In the event that the host makes a mistake by adding a non-shared node
to a guest session, have the KFD reflect sharing disabled by severing
the IO link.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Tested-by: James Yao <yiqing.yao@amd.com>
Reviewed-by: Harish Kasiviswanathan <harish.kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>