Merge "msm: kgsl: Dump maximum possible IB1 size in snapshot"

// SPDX-License-Identifier: GPL-2.0-only

// SPDX-License-Identifier: GPL-2.0-only

/*

/*

 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.

 */

 */

#include <linux/msm-bus.h>

#include <linux/msm-bus.h>

	 * The problem is that IB size from the register is the unprocessed size

	 * The problem is that IB size from the register is the unprocessed size

	 * of the buffer not the original size, so if we didn't catch this

	 * of the buffer not the original size, so if we didn't catch this

	 * buffer being directly used in the RB, then we might not be able to

	 * buffer being directly used in the RB, then we might not be able to

	 * dump the whole thing. Print a warning message so we can try to

	 * dump the whole thing. Try to dump the maximum possible size from the

	 * IB1 base address till the end of memdesc size so that we dont miss

	 * what we are interested in. Print a warning message so we can try to

	 * figure how often this really happens.

	 * figure how often this really happens.

	 */

	 */

	if (-ENOENT == find_object(snapshot->ib1base, snapshot->process) &&

	if (-ENOENT == find_object(snapshot->ib1base, snapshot->process) &&

			snapshot->ib1size) {

			snapshot->ib1size) {

		struct kgsl_mem_entry *entry;

		u64 ibsize;

		entry = kgsl_sharedmem_find(snapshot->process,

				snapshot->ib1base);

		if (entry == NULL) {

			dev_err(device->dev,

				"Can't find a memory entry containing IB1BASE %16llx\n",

				snapshot->ib1base);

		} else {

			ibsize = entry->memdesc.size -

				(snapshot->ib1base - entry->memdesc.gpuaddr);

			kgsl_mem_entry_put(entry);

			kgsl_snapshot_push_object(device, snapshot->process,

			kgsl_snapshot_push_object(device, snapshot->process,

			snapshot->ib1base, snapshot->ib1size);

				snapshot->ib1base, ibsize >> 2);

			dev_err(device->dev,

			dev_err(device->dev,

			"CP_IB1_BASE not found in the ringbuffer.Dumping %x dwords of the buffer\n",

				"CP_IB1_BASE is not found in the ringbuffer. Dumping %llx dwords of the buffer\n",

			snapshot->ib1size);

				ibsize >> 2);

		}

	}

	}

	/*

	/*