Commit d8566b29 authored by Florian Tobias Schandinat's avatar Florian Tobias Schandinat Committed by Linus Torvalds
Browse files

viafb: yet another dead code removal 



Remove some functions that were never executed and a related undocumented
module parameter.

Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Joseph Chan <JosephChan@via.com.tw>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c5f06f5c

drivers/video/via/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -4,4 +4,4 @@ 


obj-$(CONFIG_FB_VIA) += viafb.o



viafb-y	:=viafbdev.o hw.o iface.o  via_i2c.o dvi.o lcd.o ioctl.o accel.o via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o
 
viafb-y	:=viafbdev.o hw.o via_i2c.o dvi.o lcd.o ioctl.o accel.o via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o

drivers/video/via/global.c

+0 −1
Original line number Diff line number Diff line
@@ -23,7 +23,6 @@ int viafb_platform_epia_dvi = STATE_OFF; 
int viafb_device_lcd_dualedge = STATE_OFF;

int viafb_bus_width = 12;

int viafb_display_hardware_layout = HW_LAYOUT_LCD_DVI;

int viafb_memsize;

int viafb_DeviceStatus = CRT_Device;

int viafb_hotplug;

int viafb_refresh = 60;

drivers/video/via/global.h

+0 −1
Original line number Diff line number Diff line
@@ -35,7 +35,6 @@ 


#include "debug.h"



#include "iface.h"

#include "viafbdev.h"

#include "chip.h"

#include "accel.h"

drivers/video/via/iface.c

deleted100644 → 0
+0 −78
Original line number Diff line number Diff line 
/*

 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.

 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.



 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public

 * License as published by the Free Software Foundation;

 * either version 2, or (at your option) any later version.



 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even

 * the implied warranty of MERCHANTABILITY or FITNESS FOR

 * A PARTICULAR PURPOSE.See the GNU General Public License

 * for more details.



 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc.,

 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */



#include "global.h"



/* Get frame buffer size from VGA BIOS */



unsigned int viafb_get_memsize(void)

{

	unsigned int m;



	/* If memory size provided by user */

	if (viafb_memsize)

		m = viafb_memsize * Mb;

	else {

		m = (unsigned int)viafb_read_reg(VIASR, SR39);

		m = m * (4 * Mb);



		if ((m < (16 * Mb)) || (m > (64 * Mb)))

			m = 16 * Mb;

	}

	DEBUG_MSG(KERN_INFO "framebuffer size = %d Mb\n", m / Mb);

	return m;

}



/* Get Video Buffer Starting Physical Address(back door)*/



unsigned long viafb_get_videobuf_addr(void)

{

	struct pci_dev *pdev = NULL;

	unsigned char sys_mem;

	unsigned char video_mem;

	unsigned long sys_mem_size;

	unsigned long video_mem_size;

	/*system memory = 256 MB, video memory 64 MB */

	unsigned long vmem_starting_adr = 0x0C000000;



	pdev =

	    (struct pci_dev *)pci_get_device(VIA_K800_BRIDGE_VID,

					     VIA_K800_BRIDGE_DID, NULL);

	if (pdev != NULL) {

		pci_read_config_byte(pdev, VIA_K800_SYSTEM_MEMORY_REG,

				     &sys_mem);

		pci_read_config_byte(pdev, VIA_K800_VIDEO_MEMORY_REG,

				     &video_mem);

		video_mem = (video_mem & 0x70) >> 4;

		sys_mem_size = ((unsigned long)sys_mem) << 24;

		if (video_mem != 0)

			video_mem_size = (1 << (video_mem)) * 1024 * 1024;

		else

			video_mem_size = 0;



		vmem_starting_adr = sys_mem_size - video_mem_size;

		pci_dev_put(pdev);

	}



	DEBUG_MSG(KERN_INFO "Video Memory Starting Address = %lx \n",

		  vmem_starting_adr);

	return vmem_starting_adr;

}

drivers/video/via/iface.h

deleted100644 → 0
+0 −38
Original line number Diff line number Diff line 
/*

 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.

 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.



 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public

 * License as published by the Free Software Foundation;

 * either version 2, or (at your option) any later version.



 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even

 * the implied warranty of MERCHANTABILITY or FITNESS FOR

 * A PARTICULAR PURPOSE.See the GNU General Public License

 * for more details.



 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc.,

 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */



#ifndef __IFACE_H__

#define __IFACE_H__



#define Kb  (1024)

#define Mb  (Kb*Kb)



#define VIA_K800_BRIDGE_VID         0x1106

#define VIA_K800_BRIDGE_DID         0x3204



#define VIA_K800_SYSTEM_MEMORY_REG  0x47

#define VIA_K800_VIDEO_MEMORY_REG   0xA1



extern int viafb_memsize;

unsigned int viafb_get_memsize(void);

unsigned long viafb_get_videobuf_addr(void);



#endif /* __IFACE_H__ */

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