disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/platform/qcom/venus/hfi.c
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@@ -1,16 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
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  * Copyright (C) 2017 Linaro Ltd.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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5
  */
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 #include <linux/slab.h>
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 #include <linux/mutex.h>
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@@ -113,6 +104,9 @@
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 		mutex_lock(&core->lock);
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 	}
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+	if (!core->ops)
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+		goto unlock;
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+
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 	ret = core->ops->core_deinit(core);
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 	if (!ret)
..
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@@ -207,6 +201,9 @@
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 	const struct hfi_ops *ops = core->ops;
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 	int ret;
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+	if (inst->state != INST_UNINIT)
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+		return -EINVAL;
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+
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 	inst->hfi_codec = to_codec_type(pixfmt);
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 	reinit_completion(&inst->done);
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209
 
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@@ -285,6 +282,7 @@
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 	return 0;
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 }
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+EXPORT_SYMBOL_GPL(hfi_session_start);
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 int hfi_session_stop(struct venus_inst *inst)
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 {
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@@ -308,6 +306,7 @@
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 	return 0;
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 }
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+EXPORT_SYMBOL_GPL(hfi_session_stop);
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 int hfi_session_continue(struct venus_inst *inst)
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 {
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@@ -337,6 +336,7 @@
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 	return 0;
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 }
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+EXPORT_SYMBOL_GPL(hfi_session_abort);
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 int hfi_session_load_res(struct venus_inst *inst)
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 {
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@@ -383,21 +383,24 @@
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383
 
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 	return 0;
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 }
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+EXPORT_SYMBOL_GPL(hfi_session_unload_res);
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-int hfi_session_flush(struct venus_inst *inst)
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+int hfi_session_flush(struct venus_inst *inst, u32 type, bool block)
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 {
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 	const struct hfi_ops *ops = inst->core->ops;
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 	int ret;
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 	reinit_completion(&inst->done);
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-	ret = ops->session_flush(inst, HFI_FLUSH_ALL);
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+	ret = ops->session_flush(inst, type);
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 	if (ret)
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 		return ret;
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-	ret = wait_session_msg(inst);
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-	if (ret)
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-		return ret;
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+	if (block) {
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+		ret = wait_session_msg(inst);
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+		if (ret)
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+			return ret;
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+	}
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 	return 0;
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 }
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@@ -517,3 +520,8 @@
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 {
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 	venus_hfi_destroy(core);
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 }
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+
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+void hfi_reinit(struct venus_core *core)
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+{
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+	venus_hfi_queues_reinit(core);
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+}