Displaying 3 results from an estimated 3 matches for "cirruc".
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cirrus
2019 Jul 04
0
[PATCH 0/5] Unmappable DRM client buffers for fbdev emulation
...ady come with their own shadow buffer. Cirrus is an
> example of that. It uses shmem buffer objects as shadow fbs and
> internally updates the device frame buffer in its dirty callback. Using
> dirty() to select the shadow fbdev adds another buffer (and another
> memcpy) for no reason.
Cirruc uses shmem buffers and they won't work with fbdev defio (both use
page->lru). shmem is the reason I added shadow buffering to generic
fbdev in the first place. It will now work with whatever backing buffer
the driver uses, as long as it can provide a virtual address on the dumb
buffer (not t...
2019 Jul 04
2
[PATCH 0/5] Unmappable DRM client buffers for fbdev emulation
Hi
Am 04.07.19 um 12:18 schrieb Noralf Tr?nnes:
>
>
> Den 04.07.2019 09.43, skrev Thomas Zimmermann:
>> Hi
>>
>> Am 03.07.19 um 21:27 schrieb Noralf Tr?nnes:
>>>
>>>
>>> Den 03.07.2019 10.32, skrev Thomas Zimmermann:
>>>> DRM client buffers are permanently mapped throughout their lifetime. This
>>>> prevents us from
2019 Jul 04
2
[PATCH 0/5] Unmappable DRM client buffers for fbdev emulation
Hi
Am 04.07.19 um 12:18 schrieb Noralf Tr?nnes:
>
>
> Den 04.07.2019 09.43, skrev Thomas Zimmermann:
>> Hi
>>
>> Am 03.07.19 um 21:27 schrieb Noralf Tr?nnes:
>>>
>>>
>>> Den 03.07.2019 10.32, skrev Thomas Zimmermann:
>>>> DRM client buffers are permanently mapped throughout their lifetime. This
>>>> prevents us from