On Sun, Apr 21, 2013 at 3:15 PM, Rafał Miłecki <zajec5@xxxxxxxxx> wrote: > 2013/4/21 Rafał Miłecki <zajec5@xxxxxxxxx>: >> 2013/4/14 Alex Deucher <alexdeucher@xxxxxxxxx>: >>> On Sat, Apr 13, 2013 at 7:26 PM, Rafał Miłecki <zajec5@xxxxxxxxx> wrote: >>>> We need interrupts on format change for R6xx only, where hardware seems >>>> to be somehow bugged and requires setting audio info manually. >>> >>> Can you confirm that this is actually needed on older chips? AFAIK, >>> it shouldn't be required for any chips. It's mainly for debugging. >> >> I've finally managed to install, run and debug fglrx on RV620. That >> was really painful and ignoring Xorg 1.13 release in fglrx legacy >> didn't help :| >> >> Please take a look at attached log from fglrx. It seems that fglrx on >> every audio format change does: >> 1) Read audio status (R600_AUDIO_STATUS_BITS, R600_AUDIO_RATE_BPS_CHANNEL) >> 2) Writes sth to HDMI0_STATUS and HDMI0_INFOFRAME_CONTROL0 >> 3) Updates audio info frame >> 4) Recalculates checksum of audio info frame >> 5) Triggers update with HDMI0_AUDIO_INFO_UPDATE bit > > Btw. could we get a meaning of bit 0x100 in HDMI0_STATUS? There is no bit 8 defined in that register. Also FWIW, HDMI0_STATUS is a read only register. Alex > > -- > Rafał _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
