Skip to content

L
linux
Commit 8c85fd89 authored by Andre Haupt's avatar Andre Haupt Committed by Linus Torvalds
Browse files
Options

fbmon: cleanup trailing whitespaces 

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: default avatarAndre Haupt <andre@bitwigglers.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cb85063a
Hide whitespace changes
Inline Side-by-side
Showing with 58 additions and 58 deletions
drivers/video/fbmon.c
View file @ 8c85fd89
......@@ -4,7 +4,7 @@
* Copyright (C) 2002 James Simmons <jsimmons@users.sf.net>
*
* Credits:
*
*
* The EDID Parser is a conglomeration from the following sources:
*
* 1. SciTech SNAP Graphics Architecture
......@@ -12,13 +12,13 @@
*
* 2. XFree86 4.3.0, interpret_edid.c
* Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
*
* 3. John Fremlin <vii@users.sourceforge.net> and
*
* 3. John Fremlin <vii@users.sourceforge.net> and
* Ani Joshi <ajoshi@unixbox.com>
*
*
* Generalized Timing Formula is derived from:
*
* GTF Spreadsheet by Andy Morrish (1/5/97)
* GTF Spreadsheet by Andy Morrish (1/5/97)
* available at http://www.vesa.org
*
* This file is subject to the terms and conditions of the GNU General Public
......@@ -36,7 +36,7 @@
#endif
#include "edid.h"
/*
/*
* EDID parser
*/
......@@ -160,8 +160,8 @@ static int check_edid(unsigned char *edid)
for (i = 0; i < ARRAY_SIZE(brokendb); i++) {
if (!strncmp(manufacturer, brokendb[i].manufacturer, 4) &&
brokendb[i].model == model) {
fix = brokendb[i].fix;
break;
fix = brokendb[i].fix;
break;
}
}
......@@ -323,7 +323,7 @@ static void get_dpms_capabilities(unsigned char flags,
(flags & DPMS_SUSPEND) ? "yes" : "no",
(flags & DPMS_STANDBY) ? "yes" : "no");
}
static void get_chroma(unsigned char *block, struct fb_monspecs *specs)
{
int tmp;
......@@ -365,7 +365,7 @@ static void get_chroma(unsigned char *block, struct fb_monspecs *specs)
tmp += 512;
specs->chroma.bluey = tmp/1024;
DPRINTK("BlueY: 0.%03d\n", specs->chroma.bluey);
tmp = ((block[6] & (3 << 2)) >> 2) | (block[0xd] << 2);
tmp *= 1000;
tmp += 512;
......@@ -383,7 +383,7 @@ static void calc_mode_timings(int xres, int yres, int refresh,
struct fb_videomode *mode)
{
struct fb_var_screeninfo *var;
var = kzalloc(sizeof(struct fb_var_screeninfo), GFP_KERNEL);
if (var) {
......@@ -451,11 +451,11 @@ static int get_est_timing(unsigned char *block, struct fb_videomode *mode)
c = block[1];
if (c&0x80) {
mode[num++] = vesa_modes[9];
mode[num++] = vesa_modes[9];
DPRINTK(" 800x600@72Hz\n");
}
if (c&0x40) {
mode[num++] = vesa_modes[10];
mode[num++] = vesa_modes[10];
DPRINTK(" 800x600@75Hz\n");
}
if (c&0x20) {
......@@ -495,7 +495,7 @@ static int get_est_timing(unsigned char *block, struct fb_videomode *mode)
static int get_std_timing(unsigned char *block, struct fb_videomode *mode)
{
int xres, yres = 0, refresh, ratio, i;
xres = (block[0] + 31) * 8;
if (xres <= 256)
return 0;
......@@ -519,7 +519,7 @@ static int get_std_timing(unsigned char *block, struct fb_videomode *mode)
DPRINTK(" %dx%d@%dHz\n", xres, yres, refresh);
for (i = 0; i < VESA_MODEDB_SIZE; i++) {
if (vesa_modes[i].xres == xres &&
if (vesa_modes[i].xres == xres &&
vesa_modes[i].yres == yres &&
vesa_modes[i].refresh == refresh) {
*mode = vesa_modes[i];
......@@ -536,13 +536,13 @@ static int get_dst_timing(unsigned char *block,
{
int j, num = 0;
for (j = 0; j < 6; j++, block+= STD_TIMING_DESCRIPTION_SIZE)
for (j = 0; j < 6; j++, block += STD_TIMING_DESCRIPTION_SIZE)
num += get_std_timing(block, &mode[num]);
return num;
}
static void get_detailed_timing(unsigned char *block,
static void get_detailed_timing(unsigned char *block,
struct fb_videomode *mode)
{
mode->xres = H_ACTIVE;
......@@ -553,7 +553,7 @@ static void get_detailed_timing(unsigned char *block,
mode->right_margin = H_SYNC_OFFSET;
mode->left_margin = (H_ACTIVE + H_BLANKING) -
(H_ACTIVE + H_SYNC_OFFSET + H_SYNC_WIDTH);
mode->upper_margin = V_BLANKING - V_SYNC_OFFSET -
mode->upper_margin = V_BLANKING - V_SYNC_OFFSET -
V_SYNC_WIDTH;
mode->lower_margin = V_SYNC_OFFSET;
mode->hsync_len = H_SYNC_WIDTH;
......@@ -597,7 +597,7 @@ static struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize)
if (mode == NULL)
return NULL;
if (edid == NULL || !edid_checksum(edid) ||
if (edid == NULL || !edid_checksum(edid) ||
!edid_check_header(edid)) {
kfree(mode);
return NULL;
......@@ -632,7 +632,7 @@ static struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize)
if (block[0] == 0x00 && block[1] == 0x00 && block[3] == 0xfa)
num += get_dst_timing(block + 5, &mode[num]);
}
/* Yikes, EDID data is totally useless */
if (!num) {
kfree(mode);
......@@ -713,7 +713,7 @@ static int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs)
hscan = (pixclock + htotal / 2) / htotal;
hscan = (hscan + 500) / 1000 * 1000;
hz = (hscan + vtotal / 2) / vtotal;
if (specs->dclkmax == 0 || specs->dclkmax < pixclock)
specs->dclkmax = pixclock;
......@@ -966,8 +966,8 @@ void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs)
DPRINTK("========================================\n");
}
/*
* VESA Generalized Timing Formula (GTF)
/*
* VESA Generalized Timing Formula (GTF)
*/
#define FLYBACK 550
......@@ -996,7 +996,7 @@ struct __fb_timings {
* @hfreq: horizontal freq
*
* DESCRIPTION:
* vblank = right_margin + vsync_len + left_margin
* vblank = right_margin + vsync_len + left_margin
*
* given: right_margin = 1 (V_FRONTPORCH)
* vsync_len = 3
......@@ -1010,12 +1010,12 @@ static u32 fb_get_vblank(u32 hfreq)
{
u32 vblank;
vblank = (hfreq * FLYBACK)/1000;
vblank = (hfreq * FLYBACK)/1000;
vblank = (vblank + 500)/1000;
return (vblank + V_FRONTPORCH);
}
/**
/**
* fb_get_hblank_by_freq - get horizontal blank time given hfreq
* @hfreq: horizontal freq
* @xres: horizontal resolution in pixels
......@@ -1031,7 +1031,7 @@ static u32 fb_get_vblank(u32 hfreq)
*
* where: C = ((offset - scale factor) * blank_scale)
* -------------------------------------- + scale factor
* 256
* 256
* M = blank_scale * gradient
*
*/
......@@ -1039,7 +1039,7 @@ static u32 fb_get_hblank_by_hfreq(u32 hfreq, u32 xres)
{
u32 c_val, m_val, duty_cycle, hblank;
c_val = (((H_OFFSET - H_SCALEFACTOR) * H_BLANKSCALE)/256 +
c_val = (((H_OFFSET - H_SCALEFACTOR) * H_BLANKSCALE)/256 +
H_SCALEFACTOR) * 1000;
m_val = (H_BLANKSCALE * H_GRADIENT)/256;
m_val = (m_val * 1000000)/hfreq;
......@@ -1048,7 +1048,7 @@ static u32 fb_get_hblank_by_hfreq(u32 hfreq, u32 xres)
return (hblank);
}
/**
/**
* fb_get_hblank_by_dclk - get horizontal blank time given pixelclock
* @dclk: pixelclock in Hz
* @xres: horizontal resolution in pixels
......@@ -1061,7 +1061,7 @@ static u32 fb_get_hblank_by_hfreq(u32 hfreq, u32 xres)
*
* duty cycle = percent of htotal assigned to inactive display
* duty cycle = C - (M * h_period)
*
*
* where: h_period = SQRT(100 - C + (0.4 * xres * M)/dclk) + C - 100
* -----------------------------------------------
* 2 * M
......@@ -1077,11 +1077,11 @@ static u32 fb_get_hblank_by_dclk(u32 dclk, u32 xres)
h_period = 100 - C_VAL;
h_period *= h_period;
h_period += (M_VAL * xres * 2 * 1000)/(5 * dclk);
h_period *=10000;
h_period *= 10000;
h_period = int_sqrt(h_period);
h_period -= (100 - C_VAL) * 100;
h_period *= 1000;
h_period *= 1000;
h_period /= 2 * M_VAL;
duty_cycle = C_VAL * 1000 - (M_VAL * h_period)/100;
......@@ -1089,7 +1089,7 @@ static u32 fb_get_hblank_by_dclk(u32 dclk, u32 xres)
hblank &= ~15;
return (hblank);
}
/**
* fb_get_hfreq - estimate hsync
* @vfreq: vertical refresh rate
......@@ -1100,13 +1100,13 @@ static u32 fb_get_hblank_by_dclk(u32 dclk, u32 xres)
* (yres + front_port) * vfreq * 1000000
* hfreq = -------------------------------------
* (1000000 - (vfreq * FLYBACK)
*
*
*/
static u32 fb_get_hfreq(u32 vfreq, u32 yres)
{
u32 divisor, hfreq;
divisor = (1000000 - (vfreq * FLYBACK))/1000;
hfreq = (yres + V_FRONTPORCH) * vfreq * 1000;
return (hfreq/divisor);
......@@ -1117,7 +1117,7 @@ static void fb_timings_vfreq(struct __fb_timings *timings)
timings->hfreq = fb_get_hfreq(timings->vfreq, timings->vactive);
timings->vblank = fb_get_vblank(timings->hfreq);
timings->vtotal = timings->vactive + timings->vblank;
timings->hblank = fb_get_hblank_by_hfreq(timings->hfreq,
timings->hblank = fb_get_hblank_by_hfreq(timings->hfreq,
timings->hactive);
timings->htotal = timings->hactive + timings->hblank;
timings->dclk = timings->htotal * timings->hfreq;
......@@ -1128,7 +1128,7 @@ static void fb_timings_hfreq(struct __fb_timings *timings)
timings->vblank = fb_get_vblank(timings->hfreq);
timings->vtotal = timings->vactive + timings->vblank;
timings->vfreq = timings->hfreq/timings->vtotal;
timings->hblank = fb_get_hblank_by_hfreq(timings->hfreq,
timings->hblank = fb_get_hblank_by_hfreq(timings->hfreq,
timings->hactive);
timings->htotal = timings->hactive + timings->hblank;
timings->dclk = timings->htotal * timings->hfreq;
......@@ -1136,7 +1136,7 @@ static void fb_timings_hfreq(struct __fb_timings *timings)
static void fb_timings_dclk(struct __fb_timings *timings)
{
timings->hblank = fb_get_hblank_by_dclk(timings->dclk,
timings->hblank = fb_get_hblank_by_dclk(timings->dclk,
timings->hactive);
timings->htotal = timings->hactive + timings->hblank;
timings->hfreq = timings->dclk/timings->htotal;
......@@ -1156,29 +1156,29 @@ static void fb_timings_dclk(struct __fb_timings *timings)
* @info: pointer to fb_info
*
* DESCRIPTION:
* Calculates video mode based on monitor specs using VESA GTF.
* The GTF is best for VESA GTF compliant monitors but is
* Calculates video mode based on monitor specs using VESA GTF.
* The GTF is best for VESA GTF compliant monitors but is
* specifically formulated to work for older monitors as well.
*
* If @flag==0, the function will attempt to maximize the
* If @flag==0, the function will attempt to maximize the
* refresh rate. Otherwise, it will calculate timings based on
* the flag and accompanying value.
* the flag and accompanying value.
*
* If FB_IGNOREMON bit is set in @flags, monitor specs will be
* If FB_IGNOREMON bit is set in @flags, monitor specs will be
* ignored and @var will be filled with the calculated timings.
*
* All calculations are based on the VESA GTF Spreadsheet
* available at VESA's public ftp (http://www.vesa.org).
*
*
* NOTES:
* The timings generated by the GTF will be different from VESA
* DMT. It might be a good idea to keep a table of standard
* VESA modes as well. The GTF may also not work for some displays,
* such as, and especially, analog TV.
*
*
* REQUIRES:
* A valid info->monspecs, otherwise 'safe numbers' will be used.
*/
*/
int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_info *info)
{
struct __fb_timings *timings;
......@@ -1191,7 +1191,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf
if (!timings)
return -ENOMEM;
/*
/*
* If monspecs are invalid, use values that are enough
* for 640x480@60
*/
......@@ -1214,7 +1214,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf
timings->hactive = var->xres;
timings->vactive = var->yres;
if (var->vmode & FB_VMODE_INTERLACED) {
if (var->vmode & FB_VMODE_INTERLACED) {
timings->vactive /= 2;
interlace = 2;
}
......@@ -1250,9 +1250,9 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf
break;
default:
err = -EINVAL;
}
}
if (err || (!(flags & FB_IGNOREMON) &&
(timings->vfreq < vfmin || timings->vfreq > vfmax ||
timings->hfreq < hfmin || timings->hfreq > hfmax ||
......@@ -1269,7 +1269,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf
var->upper_margin = (timings->vblank * interlace)/dscan -
(var->vsync_len + var->lower_margin);
}
kfree(timings);
return err;
}
......@@ -1291,7 +1291,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
return -EINVAL;
}
#endif /* CONFIG_FB_MODE_HELPERS */
/*
* fb_validate_mode - validates var against monitor capabilities
* @var: pointer to fb_var_screeninfo
......@@ -1309,7 +1309,7 @@ int fb_validate_mode(const struct fb_var_screeninfo *var, struct fb_info *info)
u32 hfreq, vfreq, htotal, vtotal, pixclock;
u32 hfmin, hfmax, vfmin, vfmax, dclkmin, dclkmax;
/*
/*
* If monspecs are invalid, use values that are enough
* for 640x480@60
*/
......@@ -1333,10 +1333,10 @@ int fb_validate_mode(const struct fb_var_screeninfo *var, struct fb_info *info)
if (!var->pixclock)
return -EINVAL;
pixclock = PICOS2KHZ(var->pixclock) * 1000;
htotal = var->xres + var->right_margin + var->hsync_len +
htotal = var->xres + var->right_margin + var->hsync_len +
var->left_margin;
vtotal = var->yres + var->lower_margin + var->vsync_len +
vtotal = var->yres + var->lower_margin + var->vsync_len +
var->upper_margin;
if (var->vmode & FB_VMODE_INTERLACED)
......@@ -1349,7 +1349,7 @@ int fb_validate_mode(const struct fb_var_screeninfo *var, struct fb_info *info)
vfreq = hfreq/vtotal;
return (vfreq < vfmin || vfreq > vfmax ||
return (vfreq < vfmin || vfreq > vfmax ||
hfreq < hfmin || hfreq > hfmax ||
pixclock < dclkmin || pixclock > dclkmax) ?
-EINVAL : 0;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7