Re: [PATCH] MAINTAINERS: Add Helge as fbdev maintainer

[Thomas Zimmermann]

Hi

Am 17.01.22 um 17:21 schrieb Helge Deller:

On 1/17/22 16:58, Thomas Zimmermann wrote:

Hi

Am 17.01.22 um 16:42 schrieb Helge Deller:

[...]

c) reintroduce the state where fbcon is fast on fbdev. This is important for 
non-DRM machines,
     either when run on native hardware or in an emulator.
d) not break DRM development

Especially regarding c) I complained in [1] and got no feedback. I really would 
like to
understand where the actual problems were and what's necessary to fix them.

Helge

[1] https://lore.kernel.org/r/feea8303-2b83-fc36-972c-4fc8ad723...@gmx.de

Seems like few people read linux-fbdev these days.
I suggest to partly revert the patch to the point were performance
gets better again.

If you want that, you should send a patch.

Best regards
Thomas

Yes, *please*!
That would solve my biggest concern.

As far as I can see that's only 2 commits to be reverted:
b3ec8cdf457e - "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from 
TODO list)"
39aead8373b3 - "fbcon: Disable accelerated scrolling"for-next-next

I think both were not related to any 0-day bug reports (but again, I might be 
wrong).

Helge

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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