Merge "msm: kgsl: Check user generated timestamp before queuing drawobjs" (b4f4305f) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/gpu/msm/adreno_hwsched.c

+18 −0

Original line number	Diff line number	Diff line
		// 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) {