Re: [Intel-gfx] [PATCH 15/15] drm/i915: implement fdi auto-dithering

2013-04-29 Thread Daniel Vetter
On Mon, Apr 29, 2013 at 05:59:53PM +0300, Imre Deak wrote: > On Mon, 2013-04-29 at 16:43 +0200, Daniel Vetter wrote: > > On Mon, Apr 29, 2013 at 05:02:20PM +0300, Imre Deak wrote: > > > On Fri, 2013-04-19 at 11:24 +0200, Daniel Vetter wrote: [snip] > > > > @@ -7714,10 +7733,23 @@ intel_modeset_pi

Re: [Intel-gfx] [PATCH 15/15] drm/i915: implement fdi auto-dithering

2013-04-29 Thread Imre Deak
On Mon, 2013-04-29 at 16:43 +0200, Daniel Vetter wrote: > On Mon, Apr 29, 2013 at 05:02:20PM +0300, Imre Deak wrote: > > On Fri, 2013-04-19 at 11:24 +0200, Daniel Vetter wrote: > > > So on a bunch of setups we only have 2 fdi lanes available, e.g. hsw > > > VGA or 3 pipes on ivb. And seemingly a lo

Re: [Intel-gfx] [PATCH 15/15] drm/i915: implement fdi auto-dithering

2013-04-29 Thread Daniel Vetter
On Mon, Apr 29, 2013 at 05:02:20PM +0300, Imre Deak wrote: > On Fri, 2013-04-19 at 11:24 +0200, Daniel Vetter wrote: > > So on a bunch of setups we only have 2 fdi lanes available, e.g. hsw > > VGA or 3 pipes on ivb. And seemingly a lot of modes don't quite fit > > into this, among them the default

Re: [Intel-gfx] [PATCH 15/15] drm/i915: implement fdi auto-dithering

2013-04-29 Thread Imre Deak
On Fri, 2013-04-19 at 11:24 +0200, Daniel Vetter wrote: > So on a bunch of setups we only have 2 fdi lanes available, e.g. hsw > VGA or 3 pipes on ivb. And seemingly a lot of modes don't quite fit > into this, among them the default 1080p mode. > > The solution is to dither down the pipe a bit so

[Intel-gfx] [PATCH 15/15] drm/i915: implement fdi auto-dithering

2013-04-19 Thread Daniel Vetter
So on a bunch of setups we only have 2 fdi lanes available, e.g. hsw VGA or 3 pipes on ivb. And seemingly a lot of modes don't quite fit into this, among them the default 1080p mode. The solution is to dither down the pipe a bit so that everything fits, which this patch implements. But ports comp