>>> + /* Post damage on the front buffer so that listeners, such >>> + * as DisplayLink know take a copy and shove it over the USB. >>> + * also for sw cursors. >>> + */ >> >> SW cursors cannot work correctly with page flipping. For that reason, >> xf86-video-ati/amdgpu disable page flipping while there's an SW cursor. > [yuq] why? Is the problem in kernel or xserver? The latter, due to the way SW cursor works. There's a fundamental (and likely unfixable) conflict between the SW cursor and page flipping concepts. [yuq] So the same problem for modesetting? I see no checking SW cursor in original present page flip. Regards, Qiang
