evie/android_kernel_oneplus_msm8998
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Merge "msm: kgsl: Check user generated timestamp before queuing drawobjs"

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Linux Build Service Account 2019-10-29 03:06:39 -07:00 • committed by Gerrit - the friendly Code Review server
commit d092d362dd
1 changed files with 17 additions and 1 deletions
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18
drivers/gpu/msm/adreno_dispatch.c
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@ -1,4 +1,4 @@
/* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
/* Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -1405,6 +1405,22 @@ int adreno_dispatcher_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);
return -ERANGE;
}
}
for (i = 0; i < count; i++) {
switch (drawobj[i]->type) {