diff options
Diffstat (limited to 'drivers/video/fbdev/core/fbmon.c')
| -rw-r--r-- | drivers/video/fbdev/core/fbmon.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c index d62a1e43864e..0a65bef01e3c 100644 --- a/drivers/video/fbdev/core/fbmon.c +++ b/drivers/video/fbdev/core/fbmon.c @@ -19,13 +19,15 @@ * Generalized Timing Formula is derived from: * * GTF Spreadsheet by Andy Morrish (1/5/97) - * available at http://www.vesa.org + * available at https://www.vesa.org * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive * for more details. * */ + +#include <linux/export.h> #include <linux/fb.h> #include <linux/module.h> #include <linux/pci.h> @@ -34,6 +36,7 @@ #include <video/of_videomode.h> #include <video/videomode.h> #include "../edid.h" +#include <linux/string_choices.h> /* * EDID parser @@ -318,9 +321,9 @@ static void get_dpms_capabilities(unsigned char flags, if (flags & DPMS_STANDBY) specs->dpms |= FB_DPMS_STANDBY; DPRINTK(" DPMS: Active %s, Suspend %s, Standby %s\n", - (flags & DPMS_ACTIVE_OFF) ? "yes" : "no", - (flags & DPMS_SUSPEND) ? "yes" : "no", - (flags & DPMS_STANDBY) ? "yes" : "no"); + str_yes_no(flags & DPMS_ACTIVE_OFF), + str_yes_no(flags & DPMS_SUSPEND), + str_yes_no(flags & DPMS_STANDBY)); } static void get_chroma(unsigned char *block, struct fb_monspecs *specs) @@ -605,6 +608,7 @@ static void get_detailed_timing(unsigned char *block, * fb_create_modedb - create video mode database * @edid: EDID data * @dbsize: database size + * @specs: monitor specifications, may be NULL * * RETURNS: struct fb_videomode, @dbsize contains length of database * @@ -1049,7 +1053,7 @@ static u32 fb_get_vblank(u32 hfreq) } /** - * fb_get_hblank_by_freq - get horizontal blank time given hfreq + * fb_get_hblank_by_hfreq - get horizontal blank time given hfreq * @hfreq: horizontal freq * @xres: horizontal resolution in pixels * @@ -1100,7 +1104,6 @@ static u32 fb_get_hblank_by_hfreq(u32 hfreq, u32 xres) * 2 * M * M = 300; * C = 30; - */ static u32 fb_get_hblank_by_dclk(u32 dclk, u32 xres) { @@ -1201,7 +1204,7 @@ static void fb_timings_dclk(struct __fb_timings *timings) * 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). + * available at VESA's public ftp (https://www.vesa.org). * * NOTES: * The timings generated by the GTF will be different from VESA @@ -1311,7 +1314,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf int fb_videomode_from_videomode(const struct videomode *vm, struct fb_videomode *fbmode) { - unsigned int htotal, vtotal; + unsigned int htotal, vtotal, total; fbmode->xres = vm->hactive; fbmode->left_margin = vm->hback_porch; @@ -1344,8 +1347,9 @@ int fb_videomode_from_videomode(const struct videomode *vm, vtotal = vm->vactive + vm->vfront_porch + vm->vback_porch + vm->vsync_len; /* prevent division by zero */ - if (htotal && vtotal) { - fbmode->refresh = vm->pixelclock / (htotal * vtotal); + total = htotal * vtotal; + if (total) { + fbmode->refresh = vm->pixelclock / total; /* a mode must have htotal and vtotal != 0 or it is invalid */ } else { fbmode->refresh = 0; @@ -1481,13 +1485,12 @@ int fb_validate_mode(const struct fb_var_screeninfo *var, struct fb_info *info) -EINVAL : 0; } -#if defined(CONFIG_FIRMWARE_EDID) && defined(CONFIG_X86) - /* * We need to ensure that the EDID block is only returned for * the primary graphics adapter. */ +#if defined(CONFIG_FIRMWARE_EDID) const unsigned char *fb_firmware_edid(struct device *device) { struct pci_dev *dev = NULL; |