INFRA Signal 85
New Patches Provide HDMI 1.4 3D Mode Support For AMD Radeon Graphics On Linux
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It turns out one of the feature limitations of the AMDGPU Linux graphics driver is HDMI 1.4 3D output support with frame packing, top-and-bottom, and side-by-side options for transmitting simultaneous video streams.
Engineers can now enable HDMI 1.4 3D modes on AMD Radeon graphics under Linux, a capability that was previously missing. The support covers frame packing, top-and-bottom, and side-by-side formats for sending stereoscopic video over a single HDMI link. This closes a gap in the driver’s feature set for users who need 3D display output.
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New patches add HDMI 1.4 3D mode support to the AMDGPU Linux driver.
The supported modes are frame packing, top-and-bottom, and side-by-side.
The change addresses a previously missing feature for stereoscopic video on AMD Radeon GPUs.
THE READ
What the cluster adds up to.
The Phoronix article notes that a limitation existed in the AMDGPU Linux graphics driver concerning HDMI 1.4 3D output. It states that the driver lacked support for frame packing, top-and-bottom, and side-by-side modes. The limitation was identified as a missing feature for transmitting simultaneous video streams.
New patches have been developed to provide the missing HDMI 1.4 3D mode support for AMD Radeon graphics on Linux. Applying these patches enables the driver to offer the three previously unavailable modes. The patches thus close the gap described in the original report.
The source material only mentions the AMDGPU Linux graphics driver and does not reference other drivers or hardware. It specifically discusses the HDMI 1.4 3D functionality noted as missing. No additional details about kernel versions or hardware models are provided.
To obtain the described support, engineers must obtain and apply the referenced patches. Until the patches are applied, the limitation remains present in the driver. The material does not specify any further conditions, exceptions, or deployment steps beyond the need for the patches.
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