[PATCH 4/5] drm/radeon: rework page flip handling

Michel Dänzer michel at daenzer.net
Wed May 14 01:02:43 PDT 2014

On 05.05.2014 18:27, Michel Dänzer wrote:
> On 02.05.2014 22:29, Christian König wrote:
>> Am 02.05.2014 09:25, schrieb Michel Dänzer:
>>> and asynchronous flips (not synchronized to vertical blank).
>> Actually that's one of the things I've implement in 3.15 by using the
>> pflip interrupt. All you need to do is to set the appropriate bits in
>> the hardware to sync the flip to VBLANK, HBLANK or not at all. For the
>> pflip interrupt that doesn't matter it should just fire as soon as the
>> new base address is used by the hardware.
> Sounds great. :) Then we just need to expose that to userspace somehow.

Actually, looks like that should be quite simple:

git grep -i async_page_flip

Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer

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