I think page_flip ioctl need to realize a synchronous mechanism to control
fresh rate...!!!
At 2011-10-25 20:30:39,"Ben Skeggs" wrote:
>On Tue, 2011-10-25 at 14:15 +0200, Francisco Jerez wrote:
>> Maarten Maathuis writes:
>>
>> > 2011/10/25 chris :
>> >> Can anyone give a suggestion, is wait-vb
It seems that nv04_graph_mthd_page_flip() was called from isr , and page_flip
ioctl only send a NV_SW_PAGE_FLIP pushbuffer bo to gem. If you don't want the
screen show garbage you must make sure not to change frontbuffer or backbuffer
in GPU when nv_set_crtc_base() is called, and not change
