From: Michal Wajdeczko Date: Fri, 30 Aug 2024 13:21:00 +0000 (+0200) Subject: drm/xe/pf: Reset thresholds when releasing a VF config X-Git-Tag: v6.12-rc1~126^2~8^2~4 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da6ec743397702e0b551bcacfeaa48829d303a29;p=thirdparty%2Flinux.git 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: Michal Wajdeczko Reviewed-by: Piotr Piórkowski Link: https://patchwork.freedesktop.org/patch/msgid/20240830132100.1704-3-michal.wajdeczko@intel.com --- 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 151eb69ab4aed..a95e546b77446 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c @@ -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); } /**