mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/gpu/host1x/cdma.h
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@@ -1,26 +1,15 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Tegra host1x Command DMA
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  *
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  * Copyright (c) 2010-2013, NVIDIA Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef __HOST1X_CDMA_H
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 #define __HOST1X_CDMA_H
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 #include <linux/sched.h>
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-#include <linux/semaphore.h>
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+#include <linux/completion.h>
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 #include <linux/list.h>
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 struct host1x_syncpt;
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@@ -69,8 +58,8 @@
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 struct host1x_cdma {
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 	struct mutex lock;		/* controls access to shared state */
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-	struct semaphore sem;		/* signalled when event occurs */
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-	enum cdma_event event;		/* event that sem is waiting for */
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+	struct completion complete;	/* signalled when event occurs */
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+	enum cdma_event event;		/* event that complete is waiting for */
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 	unsigned int slots_used;	/* pb slots used in current submit */
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 	unsigned int slots_free;	/* pb slots free in current submit */
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 	unsigned int first_get;		/* DMAGET value, where submit begins */
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@@ -90,6 +79,8 @@
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 int host1x_cdma_deinit(struct host1x_cdma *cdma);
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 int host1x_cdma_begin(struct host1x_cdma *cdma, struct host1x_job *job);
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 void host1x_cdma_push(struct host1x_cdma *cdma, u32 op1, u32 op2);
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+void host1x_cdma_push_wide(struct host1x_cdma *cdma, u32 op1, u32 op2,
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+			   u32 op3, u32 op4);
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 void host1x_cdma_end(struct host1x_cdma *cdma, struct host1x_job *job);
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 void host1x_cdma_update(struct host1x_cdma *cdma);
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 void host1x_cdma_peek(struct host1x_cdma *cdma, u32 dmaget, int slot,