Re: [Intel-gfx] Very bad performance from intel chipset on Thinkpad T540p (2880x1620)

2015-04-25 Thread Marc MERLIN
On Sat, Apr 25, 2015 at 09:02:12PM +0100, Chris Wilson wrote: > > So, I added this at the end of my xorg.conf, but Xorg.0.log says: > > 'intel(0): TearFree disabled' > > You created a second Device section for the option that didn't match the > first (which is used by default). So X is simply not

Re: [Intel-gfx] Very bad performance from intel chipset on Thinkpad T540p (2880x1620)

2015-04-25 Thread Chris Wilson
On Sat, Apr 25, 2015 at 11:31:57AM -0700, Marc MERLIN wrote: > On Fri, Apr 24, 2015 at 04:53:53PM +0100, Chris Wilson wrote: > > Whether of not it tears depends upon your window manager. On bare X, > > using mplayer -vo xv or -vo gl, should not tear. Under a compositing > > window manager, it depen

Re: [Intel-gfx] Very bad performance from intel chipset on Thinkpad T540p (2880x1620)

2015-04-25 Thread Marc MERLIN
On Fri, Apr 24, 2015 at 04:53:53PM +0100, Chris Wilson wrote: > Whether of not it tears depends upon your window manager. On bare X, > using mplayer -vo xv or -vo gl, should not tear. Under a compositing > window manager, it depends upon how it decides to update the screen. To > force everything to