linux-toradex.git/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c, branch v5.3-rc3 Linux kernel for Apalis and Colibri modules drm/amd/doc: Add XGMI sysfs documentation 2019-05-24T17:46:49+00:00 Tom St Denis tom.stdenis@amd.com 2019-05-24T13:15:17+00:00 1c1e53f7f2ce191e6787d3d0648fe8ce7088ceaa Acked-by: Slava Abramov <slava.abramov@amd.com> Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Acked-by: Slava Abramov <slava.abramov@amd.com>
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Update latest xgmi topology info after each device is enumulated 2019-05-24T17:20:48+00:00 shaoyunl shaoyun.liu@amd.com 2019-04-29T19:15:41+00:00 e008299ea9a166ae2460ad1445031c40d9de0670 Adjust the sequence of set/get xgmi topology, so driver can have the latest XGMI topology info for future usage Signed-off-by: shaoyunl <shaoyun.liu@amd.com> Acked-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Adjust the sequence of set/get xgmi topology, so driver can have the latest
XGMI topology info for future usage

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Implement get num of hops between two xgmi device 2019-05-24T17:20:48+00:00 shaoyunl shaoyun.liu@amd.com 2019-04-17T18:28:18+00:00 da361dd13f4fb766445f55bbd2eec36c73a9b1bb KFD need to provide the info for upper level to determine the data path Signed-off-by: shaoyunl <shaoyun.liu@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
KFD need to provide the info for upper level to determine the data path

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Set proper function to set xgmi pstate 2019-04-12T16:29:46+00:00 shaoyunl shaoyun.liu@amd.com 2019-04-05T15:55:27+00:00 93abb05fd5d6f3042320ae3c485b034d7c5e8e54 Driver need to call SMU to set xgmi pstate Signed-off-by: shaoyunl <shaoyun.liu@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Driver need to call SMU to set xgmi pstate

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: XGMI pstate switch initial support 2019-03-28T03:40:43+00:00 shaoyunl shaoyun.liu@amd.com 2019-03-20T20:14:56+00:00 df399b064118bf9a5b9a3faaa67feb1cbb34e9d4 Driver vote low to high pstate switch whenever there is an outstanding XGMI mapping request. Driver vote high to low pstate when all the outstanding XGMI mapping is terminated. Signed-off-by: shaoyunl <shaoyun.liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Driver vote low to high pstate switch whenever there is an outstanding
XGMI mapping request. Driver vote high to low pstate when all the
outstanding XGMI mapping is terminated.

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: revert "XGMI pstate switch initial support" 2019-03-21T19:05:01+00:00 Christian König christian.koenig@amd.com 2019-03-19T12:03:45+00:00 86f7bae5cf9724073ccfd9e7452a95efb27c4fbb This reverts commit 9b638f9751308ae3ae8f28e0c6e9decffd97f5f9. Adding this to the mapping is complete nonsense and the whole implementation looks racy. This patch wasn't thoughtfully reviewed and should be reverted for now. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Liu, Shaoyun <Shaoyun.Liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
This reverts commit 9b638f9751308ae3ae8f28e0c6e9decffd97f5f9.

Adding this to the mapping is complete nonsense and the whole
implementation looks racy. This patch wasn't thoughtfully reviewed
and should be reverted for now.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Liu, Shaoyun <Shaoyun.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: XGMI pstate switch initial support 2019-03-19T20:36:48+00:00 shaoyunl shaoyun.liu@amd.com 2019-02-21T21:30:25+00:00 9b638f9751308ae3ae8f28e0c6e9decffd97f5f9 Driver vote low to high pstate switch whenever there is an outstanding XGMI mapping request. Driver vote high to low pstate when all the outstanding XGMI mapping is terminated. Signed-off-by: shaoyunl <shaoyun.liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Driver vote low to high pstate switch whenever there is an outstanding
XGMI mapping request. Driver vote high to low pstate when all the
outstanding XGMI mapping is terminated.

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Add sysfs entries for xgmi hive v2. 2019-03-19T20:36:48+00:00 Andrey Grodzovsky andrey.grodzovsky@amd.com 2019-03-05T15:39:08+00:00 b1fa8c89556e8d704e9a2e014151c47c64f02e06 For each device a file xgmi_device_id is created. On the first device a subdirectory named xgmi_hive_info is created, It contains a file named hive_id and symlinks named node 1-4 linking to each device in the hive. v2: Return error codes instead of '-1' and few misspellings. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
For each device a file xgmi_device_id is created.
On the first device a subdirectory named xgmi_hive_info is created,
It contains  a file named hive_id and symlinks named node 1-4 linking
to each device in the hive.

v2: Return error codes instead of '-1' and few misspellings.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/amdgpu: fix spelling mistake "matech" -> "match" 2019-02-06T02:15:32+00:00 Colin Ian King colin.king@canonical.com 2019-02-01T10:41:59+00:00 c1219b941c1ff0abc615e471ad81507ddb397253 There is a spelling mistake in a dev_err message. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
There is a spelling mistake in a dev_err message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Show XGMI node and hive message per device only once 2019-01-29T20:16:18+00:00 shaoyunl shaoyun.liu@amd.com 2019-01-28T16:54:35+00:00 47dd8048a1bf5b2fb96e5abe99b4f1dcd208ea4d Reduce the repeated node and hive information during XGMI initialization Signed-off-by: shaoyunl <shaoyun.liu@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Reduce the repeated node and hive information during XGMI initialization

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>