Re: Rockchip RK3328 Rock64 HDMI

On Wed, 25 Sep 2024 19:19:57 +0200
Klaus Küchemann <[email protected]> wrote:

> this time even without specific hack, just a config :
> 
> CONFIG_PHY_ROCKCHIP_INNO_HDMI=y
> CONFIG_VIDEO=y
> CONFIG_DISPLAY=y
> CONFIG_VIDEO_ROCKCHIP=y
> CONFIG_DISPLAY_ROCKCHIP_HDMI=y

 Thanks, just found the same settings messing with make menuconfig,
will test on my board tonight.

> 
> U-boot 2024.07( I think also 2024.04) then enables the inno  hdmi_phy driver
> 2024.10-rc5 even shows the u-boot logo, 
> t...hey seem to  still maintain the RK3328 hdmi....
> 
> -?I  will look into that GOP- thing?.
> If you have instructions or hints for that, plz let me know
> 
> 
> > Am 25.09.2024 um 18:56 schrieb Emmanuel Vadot <[email protected]>:
> > 
> > On Wed, 25 Sep 2024 17:29:11 +0200
> > Klaus Küchemann <[email protected]> wrote:
> > 
> >> Needed 5 minutes to hack u-boot`s current version  to get HDMI - output on the RK3328/ Rock64..
> > 
> > What's the hack ?
> > 
> 
> 
> > Am 25.09.2024 um 18:56 schrieb Emmanuel Vadot <[email protected]>:
> > 
> > On Wed, 25 Sep 2024 17:29:11 +0200
> > Klaus Küchemann <[email protected]> wrote:
> > 
> >> It works because u-boot(and linux) has built in driver for the hdmi-inno phy.
> >> So the dts devicetree- entries for the hdmi_phy point to that driver ( which is glued in their drm).
> >> So u-boot sets up it?s framebuffer based on this driver while it cannot be handed over to FreeBSD 
> >> because it`s not implemented FreeBSD (as Manu said) .
> > 
> > That's not what I said, if u-boot setup a GOP interface FreeBSD loader
> > and kernel will be able to use it.


-- 
Emmanuel Vadot <[email protected]> <[email protected]>