Commit da6ec743 authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/pf: Reset thresholds when releasing a VF config 



As part of the VF config release, we should reset all parameters,
including thresholds, to always start with the clean VF config.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarPiotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240830132100.1704-3-michal.wajdeczko@intel.com
parent a1498ab2

drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c

+13 −0
Original line number Diff line number Diff line
@@ -1842,6 +1842,18 @@ u32 xe_gt_sriov_pf_config_get_threshold(struct xe_gt *gt, unsigned int vfid, 
	return value;

}



static void pf_reset_config_thresholds(struct xe_gt *gt, struct xe_gt_sriov_config *config)

{

	lockdep_assert_held(xe_gt_sriov_pf_master_mutex(gt));



#define reset_threshold_config(TAG, ...) ({				\

	config->thresholds[MAKE_XE_GUC_KLV_THRESHOLD_INDEX(TAG)] = 0;	\

});



	MAKE_XE_GUC_KLV_THRESHOLDS_SET(reset_threshold_config);

#undef reset_threshold_config

}



static void pf_release_vf_config(struct xe_gt *gt, unsigned int vfid)

{

	struct xe_gt_sriov_config *config = pf_pick_vf_config(gt, vfid);
@@ -1857,6 +1869,7 @@ static void pf_release_vf_config(struct xe_gt *gt, unsigned int vfid) 
	pf_release_config_ctxs(gt, config);

	pf_release_config_dbs(gt, config);

	pf_reset_config_sched(gt, config);

	pf_reset_config_thresholds(gt, config);

}



/**