| Priority | medium |
|---|---|
| Bug ID | 81924 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | No Audio over DisplayPort |
| Severity | normal |
| Classification | Unclassified |
| OS | All |
| Reporter | stefan.bruens@rwth-aachen.de |
| Hardware | Other |
| Status | NEW |
| Version | DRI CVS |
| Component | DRM/Radeon |
| Product | DRI |
Currently audio is not supported when DP is used for connecting the monitor. This works if the monitor is connected using HDMI, or when fglrx is used. I tried patching the driver with hardcoded values taken from the fglrx drivers using radeontool, unfortunately, this was not sufficient. 1. added call in atombios_encoders.c:radeon_atom_encoder_mode_set(...) to initialize audio when encoder mode is DP. 2. patched evergreen_hdmi.c:evergreen_hdmi_enable(...) and evergreen_hdmi_setmode(...) to set same register values as fglrx. 3. patched dce6_afmt.c to set values matching fglrx. Something is missing here ...
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