On Tue, Oct 30, 2012 at 8:09 PM, Jesse Barnes jbarnes@virtuousgeek.org wrote:
People keep whining about this, but no one seems to send a patch. This *ought* to be safe now that we've dealt with the hw races in Mario's updated code, and fixed the bugs we know about in VT switch, DPMS, and multi-head configuraions.
Signed-off-by: Jesse Barnes jbarnes@virtuousgeek.org
Afaik the fundamental race of enabling the vblank is still there, so this is just duct-tape. And our hw has the required registers (on gen5+ at least) to close this race for real and abolish all "disable vblank irq later to paper over races and smooth things out). Hence I think we should dtrt and so
Nacked-by: Daniel Vetter daniel@ffwll.ch
Also discussed with Jesse on irc, we've had fun ;-)