[Mesa-dev] radeonsi external audio + powerconsumption

Wed Mar 9 16:44:56 UTC 2016

Makes sense. I just broke my xrandr config that it doesnt work correctly it happens from time to time and it's really irritating to fix. What I just need is basically clone mode. But kde doesnt see screens that are offline and if I put amplifier on, it shutdowns my pc screen. Before I had an issue that I am on desktop, but most of the working applications are on the other desktop. This was easier to fix, mostly just opening and closing amplifier and it started to work correctly. 

xrandr --verbose
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
HDMI1 connected 1920x1080+0+0 (0x47) normal (normal left inverted right x axis y axis) 531mm x 298mm
        Identifier: 0x43
        Timestamp:  307470
        Subpixel:   unknown
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:    
        CRTC:       0
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID: 
                00ffffffffffff0009d1a77845540000
                1b18010380351e782eba45a159559d28
                0d5054a56b80810081c08180a9c0b300
                d1c001010101023a801871382d40582c
                4500132a2100001e000000ff00333745
                30323032323031390a20000000fd0032
                4c1e5311000a202020202020000000fc
                0042656e5120474c32343530480a006c
        aspect ratio: Automatic 
                supported: Automatic, 4:3, 16:9
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
  1920x1080 (0x47)  148.5MHz +HSync +VSync *current +preferred
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock   67.5KHz
        v: height 1080 start 1084 end 1089 total 1125           clock   60.0Hz
  1680x1050 (0xc7)  119.0MHz +HSync -VSync
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock   64.7KHz
        v: height 1050 start 1053 end 1059 total 1080           clock   59.9Hz
  1600x900 (0xc8)  108.0MHz +HSync +VSync
        h: width  1600 start 1624 end 1704 total 1800 skew    0 clock   60.0KHz
        v: height  900 start  901 end  904 total 1000           clock   60.0Hz
  1280x1024 (0xc9)  135.0MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock   80.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   75.0Hz
  1280x1024 (0xca)  108.0MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1280x800 (0xcb)   71.0MHz +HSync -VSync
        h: width  1280 start 1328 end 1360 total 1440 skew    0 clock   49.3KHz
        v: height  800 start  803 end  809 total  823           clock   59.9Hz
  1152x864 (0xcc)  108.0MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock   67.5KHz
        v: height  864 start  865 end  868 total  900           clock   75.0Hz
  1280x720 (0xcd)   74.2MHz +HSync +VSync
        h: width  1280 start 1390 end 1430 total 1650 skew    0 clock   45.0KHz
        v: height  720 start  725 end  730 total  750           clock   60.0Hz
  1024x768 (0xce)   78.8MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.1KHz
        v: height  768 start  769 end  772 total  800           clock   75.1Hz
  1024x768 (0xcf)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  832x624 (0xd0)   57.3MHz -HSync -VSync
        h: width   832 start  864 end  928 total 1152 skew    0 clock   49.7KHz
        v: height  624 start  625 end  628 total  667           clock   74.6Hz
  800x600 (0xd1)   49.5MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock   46.9KHz
        v: height  600 start  601 end  604 total  625           clock   75.0Hz
  800x600 (0xd2)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  640x480 (0xd3)   31.5MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock   37.5KHz
        v: height  480 start  481 end  484 total  500           clock   75.0Hz
  640x480 (0xd4)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   60.0Hz
  720x400 (0xd5)   28.3MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock   31.5KHz
        v: height  400 start  412 end  414 total  449           clock   70.1Hz
HDMI2 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x44
        Timestamp:  307470
        Subpixel:   unknown
        Clones:    
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        aspect ratio: Automatic 
                supported: Automatic, 4:3, 16:9
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x45
        Timestamp:  307470
        Subpixel:   no subpixels
        Clones:    
        CRTCs:      3
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 

Subject: Re: [Mesa-dev] radeonsi external audio + powerconsumption
To: jarkko_korpi at hotmail.com; mesa-dev at lists.freedesktop.org
From: deathsimple at vodafone.de
Date: Wed, 9 Mar 2016 17:38:08 +0100

    That configuration can't work
      correctly.

      With HDMI the audio data is interleaved in the video vertical and
      horizontal sync periods. So if you don't have video you don't have
      any way to submit audio either.

      What the driver properly does is providing a dummy video signal so
      that audio can be transfered anyway. Most likely just a clone of
      the desktop picture.

      Please provide you're xrandr --verbose output.

      Regards,

      Christian.

      Am 09.03.2016 um 17:31 schrieb Jarkko Korpi:

      I have ati r9 290 I have been using external
        amplifier that puts the sound into speakers. I have this
        connection using r9 290 --> hdmi --> speakers

        And dvi --> pc screen.

        xrandr (that broke my config again) see this external amplifer
        as a display which is it not. Kde/mint/upstream should fix this
        so it would be more correct. 

        Hdmi channel is just sending audio data to amplifier. And it
        feels like that ati is using more clock cycles to provide the
        picture and the audio than it should. 

        Is there anyway to prevent this in future? 

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