Merge "msm: kgsl: Fix snapshot collection for ib1" (1fc5947e) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/gpu/msm/adreno_snapshot.c

+32 −10

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
		* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
		*/

		#include <linux/msm-bus.h>
		@@ -195,7 +195,17 @@ static inline void parse_ib(struct kgsl_device *device,
		* then push it into the static blob otherwise put it in the dynamic
		* list
		*/
		if (gpuaddr == snapshot->ib1base) {
		if (kgsl_addr_range_overlap(gpuaddr, dwords,
		snapshot->ib1base, snapshot->ib1size)) {
		/*
		* During restore after preemption, ib1base in the register
		* can be updated by CP. In such scenarios, to dump complete
		* IB1 in snapshot, we should consider ib1base from ringbuffer.
		*/
		if (gpuaddr != snapshot->ib1base) {
		snapshot->ib1base = gpuaddr;
		snapshot->ib1size = dwords;
		}
		kgsl_snapshot_push_object(device, process, gpuaddr, dwords);
		return;
		}
		@@ -309,15 +319,28 @@ static void snapshot_rb_ibs(struct kgsl_device *device,
		}

		if (adreno_cmd_is_ib(adreno_dev, rbptr[index])) {
		if (ADRENO_LEGACY_PM4(adreno_dev)) {
		if (rbptr[index + 1] == snapshot->ib1base)
		break;
		} else {
		uint64_t ibaddr;
		uint64_t ibsize;

		if (ADRENO_LEGACY_PM4(adreno_dev)) {
		ibaddr = rbptr[index + 1];
		ibsize = rbptr[index + 2];
		} else {
		ibaddr = rbptr[index + 2];
		ibaddr = ibaddr << 32 \| rbptr[index + 1];
		if (ibaddr == snapshot->ib1base)
		ibsize = rbptr[index + 3];
		}

		if (kgsl_addr_range_overlap(ibaddr, ibsize,
		snapshot->ib1base, snapshot->ib1size)) {
		/*
		* During restore after preemption, ib1base in
		* the register can be updated by CP. In such
		* scenario, to dump complete IB1 in snapshot,
		* we should consider ib1base from ringbuffer.
		*/
		snapshot->ib1base = ibaddr;
		snapshot->ib1size = ibsize;
		break;
		}
		}
		@@ -916,8 +939,7 @@ void adreno_snapshot(struct kgsl_device device, struct kgsl_snapshot snapshot,
		* figure how often this really happens.
		*/

		if (-ENOENT == find_object(snapshot->ib1base, snapshot->process) &&
		snapshot->ib1size) {
		if (-ENOENT == find_object(snapshot->ib1base, snapshot->process)) {
		struct kgsl_mem_entry *entry;
		u64 ibsize;