[PATCH v4 00/19] Share TTM code among DRM framebuffer drivers

Thomas Zimmermann
Mon, 06 May 2019 13:09:20 -0000

Hi

Am 06.05.19 um 14:22 schrieb Gerd Hoffmann:
>> GEM VRAM could implement PRIME helpers, which would allow for using
>> the generic fbcon.
>
> bochs_gem_prime_*() functions with this series applied look like you can
> just rename them & move over to vram helpers.
>
> It's not a full prime implementation, specifically actual export/import
> isn't there.  But pin+vmap (needed by generic fbcon) is implemented.

I did have a patch to do this, but then I read that prime requires DMA
for buffer sharing and bochs works only because it's emulated. If bochs'
implementation is complete enough to be useful for other drivers, I'll
add it to the patch set.

Best regards
Thomas

> cheers,
>   Gerd
>

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
GF: Felix Imend?rffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG N?rnberg)

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