[Bug 67435] New: HDMI audio silent on Radeon Mobility HD4650

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67435

          Priority: medium
            Bug ID: 67435
          Assignee: dri-devel at lists.freedesktop.org
           Summary: HDMI audio silent on Radeon Mobility HD4650
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: kris at syntosis.net
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

I cannot get any audio through the HDMI port, internal speakers work as they
should. Kernel option is properly set, and everything is unmuted.

Audio worked fine in the 3.9 kernels, and stopped working somewhere in 3.10

Currently using 3.11-rc2 and still have the same issue.

relevant info from dmesg:
-------
Kernel command line: BOOT_IMAGE=/vmlinuz-3.11.0-rc2 radeon.dpm=1 radeon.audio=1
video=1360x768 rootfstype=btrfs root=/dev/sda3
[drm] Initialized drm 1.1.0 20060810
[drm] radeon kernel modesetting enabled.
[drm] initializing kernel modesetting (RV730 0x1002:0x9480 0x104D:0x9035).
[drm] register mmio base: 0xD0020000
[drm] register mmio size: 65536
radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M
used)
radeon 0000:01:00.0: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF
[drm] Detected VRAM RAM=512M, BAR=256M
[drm] RAM width 128bits DDR
[drm] radeon: 512M of VRAM memory ready
[drm] radeon: 512M of GTT memory ready.
[drm] GART: num cpu pages 131072, num gpu pages 131072
[drm] Loading RV730 Microcode
[drm] PCIE GART of 512M enabled (table at 0x000000000025D000).
radeon 0000:01:00.0: WB enabled
radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000020000c00 and
cpu addr 0xffff88013856dc00
radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000020000c0c and
cpu addr 0xffff88013856dc0c
radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c598 and
cpu addr 0xffffc90010d9c598
[drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[drm] Driver supports precise vblank timestamp query.
radeon 0000:01:00.0: irq 50 for MSI/MSI-X
radeon 0000:01:00.0: radeon: using MSI.
[drm] radeon: irq initialized.
[drm] ring test on 0 succeeded in 1 usecs
[drm] ring test on 3 succeeded in 1 usecs
[drm] ring test on 5 succeeded in 1 usecs
[drm] UVD initialized successfully.
[drm] Enabling audio support
[drm] ib test on ring 0 succeeded in 0 usecs
[drm] ib test on ring 3 succeeded in 0 usecs
[drm] ib test on ring 5 succeeded
[drm:radeon_atombios_get_lvds_info] *ERROR* Bad LCD record 217
[drm] radeon atom DIG backlight initialized
[drm] Radeon Display Connectors
[drm] Connector 0:
[drm]   LVDS-1
[drm]   Encoders:
[drm]     LCD1: INTERNAL_UNIPHY2
[drm] Connector 1:
[drm]   VGA-1
[drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
[drm]   Encoders:
[drm]     CRT1: INTERNAL_KLDSCP_DAC1
[drm] Connector 2:
[drm]   HDMI-A-1
[drm]   HPD1
[drm]   DDC: 0x7f10 0x7f10 0x7f14 0x7f14 0x7f18 0x7f18 0x7f1c 0x7f1c
[drm]   Encoders:
[drm]     DFP1: INTERNAL_UNIPHY
[drm] radeon: dpm initialized
[drm] fb mappable at 0xC035F000
[drm] vram apper at 0xC0000000
[drm] size 4325376
[drm] fb depth is 24
[drm]    pitch is 5632
fbcon: radeondrmfb (fb0) is primary device
radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
radeon 0000:01:00.0: registered panic notifier
[drm] Initialized radeon 2.34.0 20080528 for 0000:01:00.0 on minor 0
----

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