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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e01af0384f
This patch fixes several problems: - pmac_backlight_key() is called under interrupt context, and therefore can't use mutexes or semaphores, so defer the backlight level for later, as it's not critical (original code by Aristeu S. Rozanski F. <aris@valeta.org>). - Add exports for functions that might be called from modules - Fix Kconfig depdencies on PMAC_BACKLIGHT. - Fix locking issues on calls from inside the driver (reported by Aristeu S. Rozanski F., too) - Fix wrong calculation of backlight values in some of the drivers - Replace pmac_backlight_key_up/down by inline functions [akpm@osdl.org: fix function prototypes] Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch> Acked-by: Aristeu S. Rozanski F. <aris@valeta.org> Acked-by: Rene Nussbaumer <linux-kernel@killerfox.forkbomb.ch> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_proto.h,v 1.10 2003/07/31 20:24:29 mvojkovi Exp $ */
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#ifndef __NV_PROTO_H__
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#define __NV_PROTO_H__
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/* in nv_setup.c */
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int NVCommonSetup(struct fb_info *info);
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void NVWriteCrtc(struct nvidia_par *par, u8 index, u8 value);
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u8 NVReadCrtc(struct nvidia_par *par, u8 index);
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void NVWriteGr(struct nvidia_par *par, u8 index, u8 value);
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u8 NVReadGr(struct nvidia_par *par, u8 index);
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void NVWriteSeq(struct nvidia_par *par, u8 index, u8 value);
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u8 NVReadSeq(struct nvidia_par *par, u8 index);
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void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value);
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u8 NVReadAttr(struct nvidia_par *par, u8 index);
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void NVWriteMiscOut(struct nvidia_par *par, u8 value);
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u8 NVReadMiscOut(struct nvidia_par *par);
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void NVWriteDacMask(struct nvidia_par *par, u8 value);
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void NVWriteDacReadAddr(struct nvidia_par *par, u8 value);
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void NVWriteDacWriteAddr(struct nvidia_par *par, u8 value);
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void NVWriteDacData(struct nvidia_par *par, u8 value);
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u8 NVReadDacData(struct nvidia_par *par);
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/* in nv_hw.c */
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void NVCalcStateExt(struct nvidia_par *par, struct _riva_hw_state *,
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int, int, int, int, int, int);
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void NVLoadStateExt(struct nvidia_par *par, struct _riva_hw_state *);
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void NVUnloadStateExt(struct nvidia_par *par, struct _riva_hw_state *);
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void NVSetStartAddress(struct nvidia_par *par, u32);
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int NVShowHideCursor(struct nvidia_par *par, int);
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void NVLockUnlock(struct nvidia_par *par, int);
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/* in nvidia-i2c.c */
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#ifdef CONFIG_FB_NVIDIA_I2C
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void nvidia_create_i2c_busses(struct nvidia_par *par);
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void nvidia_delete_i2c_busses(struct nvidia_par *par);
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int nvidia_probe_i2c_connector(struct fb_info *info, int conn,
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u8 ** out_edid);
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#else
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#define nvidia_create_i2c_busses(...)
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#define nvidia_delete_i2c_busses(...)
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#define nvidia_probe_i2c_connector(p, c, edid) (-1)
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#endif
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#ifdef CONFIG_PPC_OF
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int nvidia_probe_of_connector(struct fb_info *info, int conn,
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u8 ** out_edid);
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#else
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static inline int nvidia_probe_of_connector(struct fb_info *info, int conn,
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u8 ** out_edid)
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{
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return -1;
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}
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#endif
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/* in nv_accel.c */
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extern void NVResetGraphics(struct fb_info *info);
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extern void nvidiafb_copyarea(struct fb_info *info,
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const struct fb_copyarea *region);
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extern void nvidiafb_fillrect(struct fb_info *info,
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const struct fb_fillrect *rect);
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extern void nvidiafb_imageblit(struct fb_info *info,
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const struct fb_image *image);
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extern int nvidiafb_sync(struct fb_info *info);
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extern u8 byte_rev[256];
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/* in nv_backlight.h */
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#ifdef CONFIG_FB_NVIDIA_BACKLIGHT
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extern void nvidia_bl_init(struct nvidia_par *par);
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extern void nvidia_bl_exit(struct nvidia_par *par);
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extern void nvidia_bl_set_power(struct fb_info *info, int power);
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#else
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static inline void nvidia_bl_init(struct nvidia_par *par) {}
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static inline void nvidia_bl_exit(struct nvidia_par *par) {}
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static inline void nvidia_bl_set_power(struct fb_info *info, int power) {}
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#endif
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#endif /* __NV_PROTO_H__ */
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