add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.h
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@@ -1,18 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) 2013 Red Hat
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  * Author: Rob Clark <robdclark@gmail.com>
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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 of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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- *
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- * This program is distributed in the hope that 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 along with
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- * this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef __MDP4_KMS_H__
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@@ -230,19 +219,6 @@
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 static inline struct clk *mpd4_lvds_pll_init(struct drm_device *dev)
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 {
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 	return ERR_PTR(-ENODEV);
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-}
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-#endif
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-
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-#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
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-/* bus scaling data is associated with extra pointless platform devices,
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- * "dtv", etc.. this is a bit of a hack, but we need a way for encoders
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- * to find their pdata to make the bus-scaling stuff work.
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- */
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-static inline void *mdp4_find_pdata(const char *devname)
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-{
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-	struct device *dev;
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-	dev = bus_find_device_by_name(&platform_bus_type, NULL, devname);
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-	return dev ? dev->platform_data : NULL;
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 }
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 #endif
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