Hi Christopher, Sorry I'm just back from traveling..
On Fri, Oct 28, 2011 at 03:54:23AM +0800, Christopher White wrote: > There appears to be some issues with the patch? I'm on SandyBridge and > using the HD3000's HDMI. > > I've now tried manually merging the ELD patch (both files Wu Fengguang > submitted) and compiling Kernel 3.0.4. I've also tried drm-intel-next > Kernel 3.1 pre-built from > http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next/current/ as > I knew it was built from keithp's latest drm-intel-next repository. > > Both of these methods had the patch applied, yet neither were able to > read the ELD correctly from my Onkyo TX-SR607 receiver. > > If I manually dump the EDID from my receiver and analyze it with Monitor > Asset Manager (by EnTech Taiwan), it shows that the ELD contains an 8 > channel specification up to 192 kHz, and that's what's being exposed > over HDMI to the Intel graphics adapter, yet this isn't detected. It > just plain isn't being read, and is falling back to the default 2ch > 16kHz configuration. It's exactly as it was in the past, before this > patch attempt. > > You can see my 256 byte EDID dump, straight from the receiver, over at: > http://www.pulseforce.com/node/edid.dump > > It shows exactly what the receiver is exposing over HDMI, proving that > it's not the device that's at fault. > > Any ideas what's wrong? Here's the HDMI messages from the startup log: Would you boot the kernel with drm.debug=6 and post the dmesg? That will show more details. One possible problem is the hardware reports small ELD buffer size which truncates the additional 8-channel information. Thanks, Fengguang > HDMI status: Pin=7 Presence_Detect=1 ELD_Valid=1 > HDMI: detected monitor at connection type HDMI > HDMI: available speakers: FL/FR > HDMI: supports coding type LPCM: channels = 2, rates = 44100 48000 > 88200, bits = 16 > HDMI hot plug event: Pin=7 Presence_Detect=1 ELD_Valid=1 > HDMI status: Pin=7 Presence_Detect=1 ELD_Valid=1 > input: HDA Intel PCH HDMI/DP as > /devices/pci0000:00/0000:00:1b.0/sound/card0/input9 > HDMI: detected monitor at connection type HDMI > HDMI: available speakers: FL/FR > HDMI: supports coding type LPCM: channels = 2, rates = 44100 48000 > 88200, bits = 16 > HDMI hot plug event: Pin=7 Presence_Detect=1 ELD_Valid=1 > HDMI status: Pin=7 Presence_Detect=1 ELD_Valid=1 > HDMI: detected monitor at connection type HDMI > HDMI: available speakers: FL/FR > HDMI: supports coding type LPCM: channels = 2, rates = 44100 48000 > 88200, bits = 16 > > > > Christopher White _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
