[Bug 79850] [awesomenauts][radeonsi] pageflip is clearly missing vblank with vsync on

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79850

--- Comment #2 from Michel Dänzer <michel at daenzer.net> ---
Are you sure it's using page flipping? If you write 2 to
/sys/module/drm/parameters/debug, do you get messages like

 [drm:radeon_crtc_page_flip] flip-ioctl() cur_fbo = ffff880100f89000, cur_bbo =
ffff88000d714800

in dmesg?

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