https://bugs.freedesktop.org/show_bug.cgi?id=27139
--- Comment #14 from Alex Deucher <[email protected]> 2010-08-12 05:55:13 PDT --- (In reply to comment #13) > I'm puzzled by / curious about two things: > > 1. I don't think/recall that this issue was noticeable with user mode setting. > The same fallback happens without kms, right? > Is the migration policy different with kms, or why the apparent regression? > Fallback is the same regardless of kms vs. ums. With kms the driver manages pixmaps vs. exa core with ums. > 2. The fallback composite seems much slower than even fetching a snaphot of > the whole screen. > Is the vram being accessed via mmap or similar rather than a faster bulk > fetch? (Is this what Pauli was implying?) EXA migrates the pixmap to system ram for a fallback, then migrates it back to vram when it's needed for accel. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
