Hi, +CC possible victims
On 10/02/2014 12:52 PM, Inki Dae wrote: > On 2014년 10월 02일 17:58, Joonyoung Shim wrote: >> Hi Andrzej, >> >> On 10/01/2014 05:14 PM, Andrzej Hajda wrote: >>> The patch disables vblanks during dpms off only if pagefilp has >>> not been finished. It also replaces drm_vblank_off with drm_crtc_vblank_put. >>> It fixes issue with page_flip ioctl not being able to acquire vblank >>> counter. >> This problem isn't related with pageflip, it just causes from >> 7ffd7a68511c710b84db3548a1997fd2625f580a commit (drm: Always reject >> drm_vblank_get() after drm_vblank_off()). >> >> We need to use drm_vblank_on() as a counterpart to drm_vblank_off() >> after the commit . This patch should break also other drivers, it seems at least following drms could be affected: armada, sti, tegra. I guess after disabling and re-enabling crtc vblanks should stop working, unless there are other bugs. Regards Andrzej -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
