Hi Alexander,
Thanks very much for your comments.
> On Monday 24 November 2014 18:20:51, Xiubo Li wrote:
> > [...]
> > +static int fsl_dcfb_init_fbinfo(struct fb_info *info)
> > +{
> > + struct fsl_dcfb_mfb_info *mfbi = info->par;
> > + struct fb_var_screeninfo *var = &info->var;
> > + struct fsl_dcfb_fb_private *dcfb = mfbi->parent;
> > + struct device_node *np = dcfb->dev->of_node;
> > + struct device_node *dnp, *tnp;
> > + struct display_timings *timings;
> > + int i, ret;
> > +
> > + dnp = of_parse_phandle(np, "display", 0);
> > + if (!dnp) {
> > + dev_err(dcfb->dev, "failed to find \"display\" phandle.\n");
> > + return -ENODEV;
> > + }
> > +
> > + ret = of_property_read_u32(dnp, "bits-per-pixel",
> > + &var->bits_per_pixel);
> > + if (ret < 0) {
> > + dev_err(dcfb->dev, "failed to get \"bits-per-pixel\"
> property.\n");
> > + goto put_dnp;
> > + }
> > +
> > + timings = of_get_display_timings(dnp);
> > + if (!timings) {
> > + dev_err(dcfb->dev, "failed to get display timings\n");
> > + return -ENODEV;
> > + goto put_dnp;
> > + }
> > +
> > + tnp = of_find_node_by_name(dnp, "display-timings");
> > + if (!tnp) {
> > + dev_err(dcfb->dev, "failed to find \"display-timings\" node\n");
> > + return -ENODEV;
> > + goto put_dnp;
> > + }
> > +
> > + for (i = 0; i < of_get_child_count(tnp); i++) {
> > + struct videomode vm;
> > + struct fb_videomode fb_vm;
> > +
> > + ret = videomode_from_timings(timings, &vm, i);
> > + if (ret < 0)
> > + goto put_tnp;
> > +
> > + ret = fb_videomode_from_videomode(&vm, &fb_vm);
> > + if (ret < 0)
> > + goto put_tnp;
> > +
> > + fb_add_videomode(&fb_vm, &info->modelist);
> > + }
>
> Adding each display timing to the modelist here...
>
> > [...]
> > + ret = fsl_dcfb_init_fbinfo(info);
> > + if (ret)
> > + goto err_cmap;
> > +
> > + modelist = list_first_entry(&info->modelist,
> > + struct fb_modelist, list);
> > + fb_videomode_to_var(&info->var, &modelist->mode);
>
> ... and just picking the first here, essentially renders the "native-mode"
> property in device tree as useless, since only the first in that list is
> picked (which seems to be the last one inserted).
>
Yes, right. So in the next version, I will try to enhance this.
Thanks,
BRs
Xiubo
> Best regards,
> Alexander
> --
> Dipl.-Inf. Alexander Stein
>
> SYS TEC electronic GmbH
> Am Windrad 2
> 08468 Heinsdorfergrund
> Tel.: 03765 38600-1156
> Fax: 03765 38600-4100
> Email: alexander.stein@xxxxxxxxxxxxxxxxxxxxx
> Website: www.systec-electronic.com
>
> Managing Director: Dipl.-Phys. Siegmar Schmidt
> Commercial registry: Amtsgericht Chemnitz, HRB 28082
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