Merge "adsprpc: Enabling the hibernation support" (9c638b3e) · Commits · e / devices / android_kernel_xiaomi_sm6125

drivers/char/adsprpc.c

+10 −4

Original line number	Diff line number	Diff line
		@@ -308,6 +308,7 @@ struct fastrpc_apps {
		spinlock_t ctxlock;
		struct smq_invoke_ctx *ctxtable[FASTRPC_CTX_MAX];
		bool legacy_remote_heap;
		int in_hib;
		};

		struct fastrpc_mmap {
		@@ -501,6 +502,7 @@ static void fastrpc_buf_free(struct fastrpc_buf *buf, int cache)
		{
		struct fastrpc_file *fl = buf == NULL ? NULL : buf->fl;
		int vmid;
		struct fastrpc_apps *me = &gfa;

		if (!fl)
		return;
		@@ -524,7 +526,7 @@ static void fastrpc_buf_free(struct fastrpc_buf *buf, int cache)
		if (fl->sctx->smmu.cb && fl->cid != SDSP_DOMAIN_ID)
		buf->phys &= ~((uint64_t)fl->sctx->smmu.cb << 32);
		vmid = fl->apps->channel[fl->cid].vmid;
		if (vmid) {
		if ((vmid) && (me->in_hib == 0)) {
		int srcVM[2] = {VMID_HLOS, vmid};

		hyp_assign_phys(buf->phys, buf_page_size(buf->size),
		@@ -752,7 +754,7 @@ static void fastrpc_mmap_free(struct fastrpc_mmap *map, uint32_t flags)
		sess = fl->sctx;

		vmid = fl->apps->channel[fl->cid].vmid;
		if (vmid && map->phys) {
		if (vmid && map->phys && me->in_hib == 0) {
		int srcVM[2] = {VMID_HLOS, vmid};

		hyp_assign_phys(map->phys, buf_page_size(map->size),
		@@ -2243,7 +2245,8 @@ static int fastrpc_init_process(struct fastrpc_file *fl,
		me->staticpd_flags = 0;
		if (mem && err) {
		if (mem->flags == ADSP_MMAP_REMOTE_HEAP_ADDR
		&& me->channel[fl->cid].rhvm.vmid)
		&& me->channel[fl->cid].rhvm.vmid
		&& me->in_hib == 0)
		hyp_assign_phys(mem->phys, (uint64_t)mem->size,
		me->channel[fl->cid].rhvm.vmid,
		me->channel[fl->cid].rhvm.vmcount,
		@@ -2412,7 +2415,7 @@ static int fastrpc_munmap_on_dsp_rh(struct fastrpc_file *fl, uint64_t phys,
		err = scm_call2(SCM_SIP_FNID(SCM_SVC_PIL,
		TZ_PIL_CLEAR_PROTECT_MEM_SUBSYS_ID), &desc);
		} else if (flags == ADSP_MMAP_REMOTE_HEAP_ADDR) {
		if (me->channel[fl->cid].rhvm.vmid) {
		if ((me->channel[fl->cid].rhvm.vmid) && (me->in_hib == 0)) {
		VERIFY(err, !hyp_assign_phys(phys,
		(uint64_t)size,
		me->channel[fl->cid].rhvm.vmid,
		@@ -3254,6 +3257,7 @@ static int fastrpc_channel_open(struct fastrpc_file *fl)
		me->channel[cid].prevssrcount =
		me->channel[cid].ssrcount;
		}
		me->in_hib = 0;
		mutex_unlock(&me->channel[cid].smd_mutex);

		bail:
		@@ -4147,6 +4151,7 @@ static int fastrpc_restore(struct device *dev)
		uint32_t val;

		pr_info("adsprpc: restore enter\n");
		me->in_hib = 1;
		if (of_device_is_compatible(dev->of_node,
		"qcom,msm-adsprpc-mem-region")) {
		me->dev = dev;
		@@ -4244,6 +4249,7 @@ static int __init fastrpc_device_init(void)
		fastrpc_init(me);
		me->dev = NULL;
		me->legacy_remote_heap = 0;
		me->in_hib = 0;
		VERIFY(err, 0 == platform_driver_register(&fastrpc_driver));
		if (err)
		goto register_bail;