Re: [PATCH 2/2] drm/mediatek: Bypass atomic helpers for cursor updates

2019-08-30 Thread CK Hu
Hi, Bibby: On Fri, 2019-08-30 at 15:38 +0800, Bibby Hsieh wrote: > Moving the driver to atomic helpers regressed cursor responsiveness, > because cursor updates need their own atomic commits, which have to be > serialized with other commits, that might include fence waits. To avoid > this, in cert

[PATCH 2/2] drm/mediatek: Bypass atomic helpers for cursor updates

2019-08-30 Thread Bibby Hsieh
Moving the driver to atomic helpers regressed cursor responsiveness, because cursor updates need their own atomic commits, which have to be serialized with other commits, that might include fence waits. To avoid this, in certain conditions, we can bypass the atomic helpers for legacy cursor update