Re: [Intel-gfx] AVI infoframes: default aspect ratio/VIC for CEA modes

2013-11-20 Thread Gohad, Tushar
> On Wed, Nov 20, 2013 at 11:45:03PM +0000, Gohad, Tushar wrote: > > > > On Wed, Nov 20, 2013 at 09:48:26PM +, Gohad, Tushar wrote: > > > > > Folks, > > > > > > > > > > When filling in an HDMI AVI infoframe, how does one correctly >

Re: [Intel-gfx] AVI infoframes: default aspect ratio/VIC for CEA modes

2013-11-20 Thread Gohad, Tushar
> > On Wed, Nov 20, 2013 at 09:48:26PM +, Gohad, Tushar wrote: > > > Folks, > > > > > > When filling in an HDMI AVI infoframe, how does > > > one correctly determine the "default" picture aspect ratio (and VIC) > > > for

[Intel-gfx] AVI infoframes: default aspect ratio/VIC for CEA modes

2013-11-20 Thread Gohad, Tushar
Folks, A newbie question - When filling in an HDMI AVI infoframe, how does one correctly determine the "default" picture aspect ratio (and VIC) for CEA modes that support multiple (4:3 and 16:9) aspect ratios. 720x576p for example, corresponds to VIC 17 or 18: /* 17 - 720x576@50Hz */

Re: [Intel-gfx] [GMA500/CDV] HDMI AVI infoframe code

2013-11-11 Thread Gohad, Tushar
Thanks Patrik and Daniel. Since one of the customers was able to get the Windows driver pass HDMI compliance, the hardware should be okay (or was worked around :-)). We'll try to port the i915 intel_hdmi.c code over to CDV. - Tushar > > From what I've seen there are no real HDMI connectors o

[Intel-gfx] [GMA500/CDV] HDMI AVI infoframe code

2013-11-10 Thread Gohad, Tushar
Folks, When trying to get the GMA500 or the CDV DRM driver https://github.com/thomas001/cedarview-drm (w/ 3.8 Linux kernel) pass HDMI compliance, we are seeing failures of the nature: "Verify that an AVI InfoFrame is transmitted on every two video fields. Error : No Legal AVI InfoFrame exist