[Bug 26582] XRandR property "tv standard" doesn't work with KMS

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=26582





--- Comment #12 from Bob Ham <rah at bash.sh>  2010-02-17 04:24:51 PST ---
(In reply to comment #10)
> I don't understand what exactly connected to this videocard ...

Ordinarily, a VGA monitor (HP L1909, 1280x1024); a DVI monitor (Dell 2408WFP,
1920x1200); and a PAL TV connected through the DIN->composite adapter.

> looking at radeon_encoders.c (gpu/drm/radeon) i found in func
> atombios_dac_setup strange case switch:

> so, it will set NTSC even for PAL-60? Can you try change this or tv_std = line
> in the same function? (hardcoding ....)

I have never set the 'tv standard' property to 'pal-60' so this will never have
occurred.  Just to make the point, though, I have modified atombios_dac_setup
like so:

        else {
          /*
                switch (tv_std) {
                case TV_STD_PAL:
                case TV_STD_PAL_M:
                case TV_STD_SCART_PAL:
                case TV_STD_SECAM:
                case TV_STD_PAL_CN:
                        args.ucDacStandard = ATOM_DAC1_PAL;
                        break;
                case TV_STD_NTSC:
                case TV_STD_NTSC_J:
                case TV_STD_PAL_60:
                default:
                        args.ucDacStandard = ATOM_DAC1_NTSC;
                        break;
                }
          */
          args.ucDacStandard = ATOM_DAC1_PAL;
        }

I tested this without the VGA monitor connected.  As expected, it made no
difference.


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