diff options
| author | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2025-12-16 22:48:59 +0100 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2025-12-17 23:42:46 +0100 |
| commit | 487524c891d3cc21eb6d243c2885273c5b142b44 (patch) | |
| tree | 65ab31245c1246fd2830bd5f121c393f1ed5feda | |
| parent | 4cffecaf127ae10ada4da0636f87e0170e347402 (diff) | |
drm/xe/pf: Add handling for MLRC adverse event threshold
Since it is illegal to register a MLRC context when scheduler groups are
enabled, the GuC consider the VF doing so as an adverse event. Like for
other adverse event, there is a threshold for how many times the event
can happen before the GuC throws an error, which we need to add support
for.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Acked-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251216214902.1429-5-michal.wajdeczko@intel.com
| -rw-r--r-- | drivers/gpu/drm/xe/abi/guc_klvs_abi.h | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_guc_klv_thresholds_set_types.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/abi/guc_klvs_abi.h b/drivers/gpu/drm/xe/abi/guc_klvs_abi.h index 265a135e7061..89a4f8c504e6 100644 --- a/drivers/gpu/drm/xe/abi/guc_klvs_abi.h +++ b/drivers/gpu/drm/xe/abi/guc_klvs_abi.h @@ -352,6 +352,12 @@ enum { * :1: NORMAL = schedule VF always, irrespective of whether it has work or not * :2: HIGH = schedule VF in the next time-slice after current active * time-slice completes if it has active work + * + * _`GUC_KLV_VF_CFG_THRESHOLD_MULTI_LRC_COUNT` : 0x8A0D + * Given that multi-LRC contexts are incompatible with SRIOV scheduler + * groups and cause the latter to be turned off when registered with the + * GuC, this config allows the PF to set a threshold for multi-LRC context + * registrations by VFs to monitor their behavior. */ #define GUC_KLV_VF_CFG_GGTT_START_KEY 0x0001 @@ -410,6 +416,9 @@ enum { #define GUC_SCHED_PRIORITY_NORMAL 1u #define GUC_SCHED_PRIORITY_HIGH 2u +#define GUC_KLV_VF_CFG_THRESHOLD_MULTI_LRC_COUNT_KEY 0x8a0d +#define GUC_KLV_VF_CFG_THRESHOLD_MULTI_LRC_COUNT_LEN 1u + /* * Workaround keys: */ diff --git a/drivers/gpu/drm/xe/xe_guc_klv_thresholds_set_types.h b/drivers/gpu/drm/xe/xe_guc_klv_thresholds_set_types.h index 5f84da3d10d3..45ab5a3b5218 100644 --- a/drivers/gpu/drm/xe/xe_guc_klv_thresholds_set_types.h +++ b/drivers/gpu/drm/xe/xe_guc_klv_thresholds_set_types.h @@ -37,6 +37,7 @@ define(H2G_STORM, guc_time_us) \ define(IRQ_STORM, irq_time_us) \ define(DOORBELL_STORM, doorbell_time_us) \ + define(MULTI_LRC_COUNT, multi_lrc_count, 70, 53)\ /* end */ /** |