Add a function to convert from the generic videomode to a fb_videomode.
Signed-off-by: Steffen Trumtrar s.trumtrar@pengutronix.de --- drivers/video/fbmon.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/fb.h | 2 ++ 2 files changed, 39 insertions(+)
diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c index cef6557..d46ecef 100644 --- a/drivers/video/fbmon.c +++ b/drivers/video/fbmon.c @@ -1373,6 +1373,43 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf kfree(timings); return err; } + +#if IS_ENABLED(CONFIG_VIDEOMODE) +int videomode_to_fb_videomode(struct videomode *vm, struct fb_videomode *fbmode) +{ + fbmode->xres = vm->hactive; + fbmode->left_margin = vm->hback_porch; + fbmode->right_margin = vm->hfront_porch; + fbmode->hsync_len = vm->hsync_len; + + fbmode->yres = vm->vactive; + fbmode->upper_margin = vm->vback_porch; + fbmode->lower_margin = vm->vfront_porch; + fbmode->vsync_len = vm->vsync_len; + + fbmode->pixclock = KHZ2PICOS(vm->pixelclock / 1000); + + fbmode->sync = 0; + fbmode->vmode = 0; + if (vm->hah) + fbmode->sync |= FB_SYNC_HOR_HIGH_ACT; + if (vm->vah) + fbmode->sync |= FB_SYNC_VERT_HIGH_ACT; + if (vm->interlaced) + fbmode->vmode |= FB_VMODE_INTERLACED; + if (vm->doublescan) + fbmode->vmode |= FB_VMODE_DOUBLE; + if (vm->de) + fbmode->sync |= FB_SYNC_DATA_ENABLE_HIGH_ACT; + fbmode->refresh = 60; + fbmode->flag = 0; + + return 0; +} +EXPORT_SYMBOL_GPL(videomode_to_fb_videomode); +#endif + + #else int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var) { diff --git a/include/linux/fb.h b/include/linux/fb.h index c7a9571..46c665b 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -714,6 +714,8 @@ extern void fb_destroy_modedb(struct fb_videomode *modedb); extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
+extern int videomode_to_fb_videomode(struct videomode *vm, struct fb_videomode *fbmode); + /* drivers/video/modedb.c */ #define VESA_MODEDB_SIZE 34 extern void fb_var_to_videomode(struct fb_videomode *mode,