diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_mcr.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_mcr.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_mcr.c b/drivers/gpu/drm/xe/xe_gt_mcr.c index 577bd7043740..386ac3269909 100644 --- a/drivers/gpu/drm/xe/xe_gt_mcr.c +++ b/drivers/gpu/drm/xe/xe_gt_mcr.c @@ -375,18 +375,35 @@ static const struct { [IMPLICIT_STEERING] = { "IMPLICIT", NULL }, }; -void xe_gt_mcr_init(struct xe_gt *gt) +/** + * xe_gt_mcr_init_early - Early initialization of the MCR support + * @gt: GT structure + * + * Perform early software only initialization of the MCR lock to allow + * the synchronization on accessing the STEER_SEMAPHORE register and + * use the xe_gt_mcr_multicast_write() function. + */ +void xe_gt_mcr_init_early(struct xe_gt *gt) { - struct xe_device *xe = gt_to_xe(gt); - BUILD_BUG_ON(IMPLICIT_STEERING + 1 != NUM_STEERING_TYPES); BUILD_BUG_ON(ARRAY_SIZE(xe_steering_types) != NUM_STEERING_TYPES); + spin_lock_init(>->mcr_lock); +} + +/** + * xe_gt_mcr_init - Normal initialization of the MCR support + * @gt: GT structure + * + * Perform normal initialization of the MCR for all usages. + */ +void xe_gt_mcr_init(struct xe_gt *gt) +{ + struct xe_device *xe = gt_to_xe(gt); + if (IS_SRIOV_VF(xe)) return; - spin_lock_init(>->mcr_lock); - if (gt->info.type == XE_GT_TYPE_MEDIA) { drm_WARN_ON(&xe->drm, MEDIA_VER(xe) < 13); |