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author | Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> | 2024-06-28 02:51:05 +0300 |
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committer | Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> | 2024-06-28 21:52:29 +0300 |
commit | 0f54a19262154cb3965ba910c8b081417d97c6c8 (patch) | |
tree | 3f392186f1badc9bb92d42f8bcdece38d62299fc /drivers/gpu/drm/xe/xe_drm_client.c | |
parent | e71cf19e3119de446cc37ddabb2e161ebbf7357c (diff) | |
download | linux-0f54a19262154cb3965ba910c8b081417d97c6c8.tar.xz |
drm/xe: Get hwe domain specific FW to read RING_TIMESTAMP
Per client engine utilization uses RING_TIMESTAMP to return
drm-total-cycles to the user. Current code uses XE_FW_GT to read this
register on the first available engine in a GT. When testing on DG2, it
is observed that this value is 0 when running test on some engines. To
resolve that, get the hwe domain specific FW for reading the engine
timestamp.
v2:
- update commit message
- use domain specific FW (Matt)
v3:
- Drop check for hwe in the helper (Matt, Michal)
v4:
- checkpatch fixes
v5: Rebase
Fixes: 188ced1e0ff8 ("drm/xe/client: Print runtime to fdinfo")
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240627235105.2631135-1-umesh.nerlige.ramappa@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_drm_client.c')
-rw-r--r-- | drivers/gpu/drm/xe/xe_drm_client.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_drm_client.c b/drivers/gpu/drm/xe/xe_drm_client.c index 4bdb909eabfc..6a26923fa10e 100644 --- a/drivers/gpu/drm/xe/xe_drm_client.c +++ b/drivers/gpu/drm/xe/xe_drm_client.c @@ -260,17 +260,20 @@ static void show_run_ticks(struct drm_printer *p, struct drm_file *file) /* Get the total GPU cycles */ for_each_gt(gt, xe, gt_id) { + enum xe_force_wake_domains fw; + hwe = xe_gt_any_hw_engine(gt); if (!hwe) continue; - if (xe_force_wake_get(gt_to_fw(gt), XE_FW_GT)) { + fw = xe_hw_engine_to_fw_domain(hwe); + if (xe_force_wake_get(gt_to_fw(gt), fw)) { hwe = NULL; break; } gpu_timestamp = xe_hw_engine_read_timestamp(hwe); - XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FW_GT)); + XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), fw)); break; } |