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Merge "msm: kgsl: Check user generated timestamp before queuing drawobjs"

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qctecmdr 2023-04-18 10:00:07 -07:00 • committed by Gerrit - the friendly Code Review server
commit b4f4305f32
1 changed files with 18 additions and 0 deletions
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18
drivers/gpu/msm/adreno_hwsched.c
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@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include "adreno.h"
@ -903,6 +904,23 @@ int adreno_hwsched_queue_cmds(struct kgsl_device_private *dev_priv,
user_ts = *timestamp;
/*
* If there is only one drawobj in the array and it is of
* type SYNCOBJ_TYPE, skip comparing user_ts as it can be 0
*/
if (!(count == 1 && drawobj[0]->type == SYNCOBJ_TYPE) &&
(drawctxt->base.flags & KGSL_CONTEXT_USER_GENERATED_TS)) {
/*
* User specified timestamps need to be greater than the last
* issued timestamp in the context
*/
if (timestamp_cmp(drawctxt->timestamp, user_ts) >= 0) {
spin_unlock(&drawctxt->lock);
kmem_cache_free(jobs_cache, job);
return -ERANGE;
}
}
for (i = 0; i < count; i++) {
switch (drawobj[i]->type) {