[PATCH] WIP: Nokia RX-51: Convert to CONFIG_DM_VIDEO

[Anatolij Gustschin]

Hi Pali,

On Wed, 9 Mar 2022 20:44:50 +0100
Pali Rohár pali at kernel.org wrote:

> On Sunday 06 March 2022 11:44:22 Simon Glass wrote:
> > Hi Pali,
> > 
> > On Sun, 6 Mar 2022 at 08:25, Pali Rohár <pali at kernel.org> wrote:  
> > >
> > > On Sunday 06 March 2022 07:42:03 Simon Glass wrote:  
> > > > Yes let's go with that.  
> > >
> > > Done, I sent final version of the patch.
> > >  
> > > > > > > > > > Second thing is that CONFIG_VIDEO_LOGO is broken and does not work even it
> > > > > > > > > > is enabled in config file. I do not know why too.
> > > > > > > > > >
> > > > > > > > > > Any idea?  
> > > > > > > > >
> > > > > > > > > Not yet. There were some logo related changes recently, but if I
> > > > > > > > > remember correctly, I tested them on wandboard and nitrogen6q
> > > > > > > > > targets and with sandbox, and logo drawing worked there.  
> > > > > >
> > > > > > Can you be more specific than 'broken'? What is broken about it?  
> > > > >
> > > > > Does not work, logo is not drown on the screen.  
> > > >
> > > > See video_bmp_display()  - I wonder if the particular depth you are
> > > > using is not supported?  
> > >
> > > Depth is 16bit which should be supported.  
> > 
> > But apparently isn't , at least in this case :-)  
> 
> Yea, something is broken there.
> 
> > >  
> > > > Anyway you should be able to debug it there or
> > > > using the bmp command. The file is drivers/video/u_boot_logo.bmp  
> > >
> > > CONFIG_CMD_BMP=y is broken too. When I enable it then U-Boot freeze
> > > after the line 'Loading Environment from <NULL>... OK'.  
> > 
> > OK I'm not sure why, but please investigate if you have time.  
> 
> I have looked at it and do not know. But probably it is because I
> somehow have not caught how this new video code works...
> 
> Anyway, I sent documentation update how to run u-boot for n900 in qemu:
> https://patchwork.ozlabs.org/project/uboot/patch/20220308175956.4522-1-pali@kernel.org/
> 
> So it could help other people to look at issues which do not work
> correctly in n900's u-boot without need to have n900 hardware.

I've tested your v2 patches, and logo drawing works, but the logo
appears for short time. Then it is later overwritten by boot menu.

--
Anatolij