On Wed, Feb 24, 2016 at 09:22:40AM +0100, Philippe Leduc wrote: > Hi, > > Since I do not manage to get a splashscreen with the simple-panel > driver, I tried the other way: adding a driver for > imx-parrallel-display that exposes the display-timings. So far I > managed to add a video mode to my framebuffer: > > devinfo fb0 > Resources: > num: 0 > start: 0x2005a000 > size: 0x0007f800 > Available modes: > rk043fn07h: 480x272@0 > Parameters: > enable: 0 > mode_name: rk043fn07h > shadowfb: 1 > > But there is no refresh rate? Don't know if it is a problem, but my > framebuffer still doesn't want to work (however it is more or less > better than before): The refresh rate is 0 because the code in of_display_timing.c doesn't set the refresh rate. That's not nice, but shouldn't be a problem. > > fb0.enable=1 > imx-ipuv3-crtc imx-ipuv3-crtc0: ipu_crtc_mode_set: mode->xres: 480 > imx-ipuv3-crtc imx-ipuv3-crtc0: ipu_crtc_mode_set: mode->yres: 272 > imx-ipuv3-crtc imx-ipuv3-crtc0: initializing display controller failed with -22 The only way ipu_dc_init_sync() fails is when interface_pix_fmt is invalid. This means you either have no "interface-pix-fmt" property or this property doesn't get evaluated. You could try setting it to V4L2_PIX_FMT_RGB24 manually in ipu_crtc_mode_set(). Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
