On Mon, Nov 12, 2012 at 04:37:03PM +0100, Steffen Trumtrar wrote: [...] > +#if IS_ENABLED(CONFIG_VIDEOMODE) > +int videomode_to_fb_videomode(struct videomode *vm, struct fb_videomode > *fbmode)
The other helpers are named <destination-type>_from_<source-type>(),
maybe this should follow that example for consistency?
> +{
> + 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;
Can the refresh rate not be computed from the pixel clock and the
horizontal and vertical timings?
> + fbmode->flag = 0;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(videomode_to_fb_videomode);
> +#endif
> +
> +
There's a gratuitous blank line here.
> #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);
> +
Should you provide a dummy in the !CONFIG_VIDEOMODE case?
Thierry
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