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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-11-06 18:13:01 +0300 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-11-08 15:31:18 +0300 |
| commit | f9b982fbb47be2e6aa824032fe07f5e4dece0019 (patch) | |
| tree | 9e102c5fd73530d37618569111d466fa5af919f2 | |
| parent | 9d6aabe126b4a27e7b4e86ca1c1c568a7707fd2c (diff) | |
| download | linux-f9b982fbb47be2e6aa824032fe07f5e4dece0019.tar.xz | |
drm/xe/pf: Adjust scheduling priority based on policy change
Local values of scheduling priorities need to be adjusted when
changing the schedule_if_idle policy as those are related.
Disabling schedule_if_idle policy forces the low priority, and
enabling schedule_if_idle policy forces the normal priority.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Lukasz Laguna <lukasz.laguna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241106151301.2079-6-michal.wajdeczko@intel.com
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c index fae5be5a2a11..c00fb354705f 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c @@ -135,14 +135,33 @@ static int pf_update_policy_u32(struct xe_gt *gt, u16 key, u32 *policy, u32 valu return 0; } +static void pf_bulk_reset_sched_priority(struct xe_gt *gt, u32 priority) +{ + unsigned int total_vfs = 1 + xe_gt_sriov_pf_get_totalvfs(gt); + unsigned int n; + + xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); + lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt)); + + for (n = 0; n < total_vfs; n++) + gt->sriov.pf.vfs[n].config.sched_priority = priority; +} + static int pf_provision_sched_if_idle(struct xe_gt *gt, bool enable) { + int err; + xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt)); - return pf_update_policy_bool(gt, GUC_KLV_VGT_POLICY_SCHED_IF_IDLE_KEY, - >->sriov.pf.policy.guc.sched_if_idle, - enable); + err = pf_update_policy_bool(gt, GUC_KLV_VGT_POLICY_SCHED_IF_IDLE_KEY, + >->sriov.pf.policy.guc.sched_if_idle, + enable); + + if (!err) + pf_bulk_reset_sched_priority(gt, enable ? GUC_SCHED_PRIORITY_NORMAL : + GUC_SCHED_PRIORITY_LOW); + return err; } static int pf_reprovision_sched_if_idle(struct xe_gt *gt) |