Re: [PATCH] fbdev/ffb: fix corrupted video output on FFB1

[Helge Deller <deller@gmx.de>]

On 2/6/26 11:30, René Rebe wrote:
>> On 6. Feb 2026, at 11:12, Helge Deller <deller@gmx.de> wrote:
>>
>> Hello Rene,
>>
>> On 2/5/26 16:49, René Rebe wrote:
>>> Fix Sun FFB1 corrupted video out [1] by disabling overlay and
>>> initializing window mode to a known state. The issue never appeared on
>>> my FFB2+/vertical nor Elite3D/M6. It could also depend on the PROM
>>> version.
>>> /SUNW,ffb@1e,0: FFB at 000001fc00000000, type 11, DAC pnum[236c] rev[10] manuf_rev[4]
>>> X (II) /dev/fb0: Detected FFB1, Z-buffer, Single-buffered.
>>> X (II) /dev/fb0: BT9068 (PAC1) ramdac detected (with normal cursor control)
>>> X (II) /dev/fb0: Detected Creator/Creator3D
>>> [1] https://www.instagram.com/p/DUTcSmSjSem/
>>
>> The patch itself seems ok.
>> But could you please link to a freely accessible website instead of Instagram?
>> I and many others don't have (and don't want) an instagram account, so
>> the link is not very useful.
> 
> Well it is more free than accessing Linux Foundation training material ;-)
> It was only for illustration purposes if someone wanted to see or follow random
> daily  development fun and not that important. Should I resend it w/o it?

No need to resend.
I asked, because I don't know what's visible there, and maybe you
had another link which could have been used instead.
It seems that's not the case, so I'll take the patch as-is.

applied to fbdev git tree.

Thanks!
Helge