Merge "msm: kgsl: Perform cache flush on the pages obtained using get_user_pages()" (5d371bf9) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/gpu/msm/kgsl.c

+10 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2008-2021, The Linux Foundation. All rights reserved.
		* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
		*/

		#include <uapi/linux/msm_ion.h>
		@@ -2517,6 +2518,15 @@ static int memdesc_sg_virt(struct kgsl_memdesc *memdesc, unsigned long useraddr)

		ret = sg_alloc_table_from_pages(memdesc->sgt, pages, npages,
		0, memdesc->size, GFP_KERNEL);

		if (ret)
		goto out;

		ret = kgsl_cache_range_op(memdesc, 0, memdesc->size,
		KGSL_CACHE_OP_FLUSH);

		if (ret)
		sg_free_table(memdesc->sgt);
		out:
		if (ret) {
		for (i = 0; i < npages; i++)