diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_tlb_inval.c | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_inval.c b/drivers/gpu/drm/xe/xe_gt_tlb_inval.c index 1571fd917830..37b3b45ec230 100644 --- a/drivers/gpu/drm/xe/xe_gt_tlb_inval.c +++ b/drivers/gpu/drm/xe/xe_gt_tlb_inval.c @@ -506,27 +506,18 @@ void xe_gt_tlb_inval_vm(struct xe_gt *gt, struct xe_vm *vm) } /** - * xe_guc_tlb_inval_done_handler - TLB invalidation done handler - * @guc: guc - * @msg: message indicating TLB invalidation done - * @len: length of message - * - * Parse seqno of TLB invalidation, wake any waiters for seqno, and signal any - * invalidation fences for seqno. Algorithm for this depends on seqno being - * received in-order and asserts this assumption. + * xe_gt_tlb_inval_done_handler - GT TLB invalidation done handler + * @gt: gt + * @seqno: seqno of invalidation that is done * - * Return: 0 on success, -EPROTO for malformed messages. + * Update recv seqno, signal any GT TLB invalidation fences, and restart TDR */ -int xe_guc_tlb_inval_done_handler(struct xe_guc *guc, u32 *msg, u32 len) +static void xe_gt_tlb_inval_done_handler(struct xe_gt *gt, int seqno) { - struct xe_gt *gt = guc_to_gt(guc); struct xe_device *xe = gt_to_xe(gt); struct xe_gt_tlb_inval_fence *fence, *next; unsigned long flags; - if (unlikely(len != 1)) - return -EPROTO; - /* * This can also be run both directly from the IRQ handler and also in * process_g2h_msg(). Only one may process any individual CT message, @@ -543,12 +534,12 @@ int xe_guc_tlb_inval_done_handler(struct xe_guc *guc, u32 *msg, u32 len) * process_g2h_msg(). */ spin_lock_irqsave(>->tlb_inval.pending_lock, flags); - if (tlb_inval_seqno_past(gt, msg[0])) { + if (tlb_inval_seqno_past(gt, seqno)) { spin_unlock_irqrestore(>->tlb_inval.pending_lock, flags); - return 0; + return; } - WRITE_ONCE(gt->tlb_inval.seqno_recv, msg[0]); + WRITE_ONCE(gt->tlb_inval.seqno_recv, seqno); list_for_each_entry_safe(fence, next, >->tlb_inval.pending_fences, link) { @@ -568,6 +559,28 @@ int xe_guc_tlb_inval_done_handler(struct xe_guc *guc, u32 *msg, u32 len) cancel_delayed_work(>->tlb_inval.fence_tdr); spin_unlock_irqrestore(>->tlb_inval.pending_lock, flags); +} + +/** + * xe_guc_tlb_inval_done_handler - TLB invalidation done handler + * @guc: guc + * @msg: message indicating TLB invalidation done + * @len: length of message + * + * Parse seqno of TLB invalidation, wake any waiters for seqno, and signal any + * invalidation fences for seqno. Algorithm for this depends on seqno being + * received in-order and asserts this assumption. + * + * Return: 0 on success, -EPROTO for malformed messages. + */ +int xe_guc_tlb_inval_done_handler(struct xe_guc *guc, u32 *msg, u32 len) +{ + struct xe_gt *gt = guc_to_gt(guc); + + if (unlikely(len != 1)) + return -EPROTO; + + xe_gt_tlb_inval_done_handler(gt, msg[0]); return 0; } |