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Use this policy value to check and decide whether we need to > encode VF priority KLV while reprovisioning this VF. > > Signed-off-by: Michal Wajdeczko > --- > drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 12 +++++++++++ > drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c | 25 ++++++++++++++++------ > drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.h | 1 + > 3 files changed, 31 insertions(+), 7 deletions(-) > > diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c > index e1c028176eb8..b05034d3fdf2 100644 > --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c > +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c > @@ -285,6 +285,13 @@ static u32 encode_config_ggtt(u32 *cfg, const struct xe_gt_sriov_config *config, > return encode_ggtt(cfg, xe_ggtt_node_addr(node), xe_ggtt_node_size(node), details); > } > > +static bool custom_sched_priority(struct xe_gt *gt, u32 priority) > +{ > + return xe_gt_sriov_pf_policy_get_sched_if_idle_locked(gt) ? > + priority != GUC_SCHED_PRIORITY_NORMAL : > + priority != GUC_SCHED_PRIORITY_LOW; > +} > + > static u32 encode_config_sched(struct xe_gt *gt, u32 *cfg, u32 n, > const struct xe_gt_sriov_config *config) > { > @@ -313,6 +320,11 @@ static u32 encode_config_sched(struct xe_gt *gt, u32 *cfg, u32 n, > cfg[n++] = config->preempt_timeout[0]; > } > > + if (custom_sched_priority(gt, config->sched_priority)) { > + cfg[n++] = PREP_GUC_KLV_TAG(VF_CFG_SCHED_PRIORITY); > + cfg[n++] = config->sched_priority; > + } > + > return n; > } > > 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 0007ed7e0d38..63e6326d45f8 100644 > --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c > +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c > @@ -223,6 +223,22 @@ int xe_gt_sriov_pf_policy_set_sched_if_idle(struct xe_gt *gt, bool enable) > return 0; > } > > +/** > + * xe_gt_sriov_pf_policy_get_sched_if_idle_locked() - Retrieve value of 'sched_if_idle' policy. > + * @gt: the &xe_gt where to read the policy from > + * > + * This function can only be called on PF. > + * > + * Return: last value of 'sched_if_idle' policy applied. > + */ > +bool xe_gt_sriov_pf_policy_get_sched_if_idle_locked(struct xe_gt *gt) > +{ > + xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); > + lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt)); > + > + return gt->sriov.pf.policy.guc.sched_if_idle; > +} > + > /** > * xe_gt_sriov_pf_policy_get_sched_if_idle - Retrieve value of 'sched_if_idle' policy. > * @gt: the &xe_gt where to read the policy from > @@ -233,15 +249,10 @@ int xe_gt_sriov_pf_policy_set_sched_if_idle(struct xe_gt *gt, bool enable) > */ > bool xe_gt_sriov_pf_policy_get_sched_if_idle(struct xe_gt *gt) > { > - bool enable; > - > xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); > + guard(mutex)(xe_gt_sriov_pf_master_mutex(gt)); > > - mutex_lock(xe_gt_sriov_pf_master_mutex(gt)); > - enable = gt->sriov.pf.policy.guc.sched_if_idle; > - mutex_unlock(xe_gt_sriov_pf_master_mutex(gt)); > - > - return enable; > + return xe_gt_sriov_pf_policy_get_sched_if_idle_locked(gt); > } > > static int pf_provision_reset_engine(struct xe_gt *gt, bool enable) > diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.h b/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.h > index c9d4c4aaaf5d..f437dc1f5e90 100644 > --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.h > +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.h > @@ -15,6 +15,7 @@ struct xe_gt; > > int xe_gt_sriov_pf_policy_set_sched_if_idle(struct xe_gt *gt, bool enable); > bool xe_gt_sriov_pf_policy_get_sched_if_idle(struct xe_gt *gt); > +bool xe_gt_sriov_pf_policy_get_sched_if_idle_locked(struct xe_gt *gt); > int xe_gt_sriov_pf_policy_set_reset_engine(struct xe_gt *gt, bool enable); > bool xe_gt_sriov_pf_policy_get_reset_engine(struct xe_gt *gt); > int xe_gt_sriov_pf_policy_set_sample_period(struct xe_gt *gt, u32 value); LGTM: Reviewed-by: Piotr Piórkowski > -- > 2.47.1 > --