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/freebsd/sys/dev/sound/pci/hda/
H A Dhdac_if.mdiff 6fa8e691a35940743c73d00fd498b970e92c552c Thu Jan 19 02:55:48 CET 2012 Alexander Motin <mav@FreeBSD.org> Two 192/24/8 playback streams overflow single mandatory output line (SDO)
of HDA bus. Handle that from two directions:
- Add support for "striping" (using several SDO lines), if supported.
- Account HDA bus utilization and return error on new stream allocation
attempt if remaining bandwidth is unsifficient.

Most of HDA controllers have one SDO line with 46Mbps output bandwidth.
NVIDIA GF210 has 2 lines - 92Mbps. NVIDIA GF520 has 4 lines - 184Mbps!

MFC after: 2 months
Sponsored by: iXsystems, Inc.
H A Dhdaa.hdiff 6fa8e691a35940743c73d00fd498b970e92c552c Thu Jan 19 02:55:48 CET 2012 Alexander Motin <mav@FreeBSD.org> Two 192/24/8 playback streams overflow single mandatory output line (SDO)
of HDA bus. Handle that from two directions:
- Add support for "striping" (using several SDO lines), if supported.
- Account HDA bus utilization and return error on new stream allocation
attempt if remaining bandwidth is unsifficient.

Most of HDA controllers have one SDO line with 46Mbps output bandwidth.
NVIDIA GF210 has 2 lines - 92Mbps. NVIDIA GF520 has 4 lines - 184Mbps!

MFC after: 2 months
Sponsored by: iXsystems, Inc.
H A Dhdacc.cdiff 6fa8e691a35940743c73d00fd498b970e92c552c Thu Jan 19 02:55:48 CET 2012 Alexander Motin <mav@FreeBSD.org> Two 192/24/8 playback streams overflow single mandatory output line (SDO)
of HDA bus. Handle that from two directions:
- Add support for "striping" (using several SDO lines), if supported.
- Account HDA bus utilization and return error on new stream allocation
attempt if remaining bandwidth is unsifficient.

Most of HDA controllers have one SDO line with 46Mbps output bandwidth.
NVIDIA GF210 has 2 lines - 92Mbps. NVIDIA GF520 has 4 lines - 184Mbps!

MFC after: 2 months
Sponsored by: iXsystems, Inc.
H A Dhdac_private.hdiff 6fa8e691a35940743c73d00fd498b970e92c552c Thu Jan 19 02:55:48 CET 2012 Alexander Motin <mav@FreeBSD.org> Two 192/24/8 playback streams overflow single mandatory output line (SDO)
of HDA bus. Handle that from two directions:
- Add support for "striping" (using several SDO lines), if supported.
- Account HDA bus utilization and return error on new stream allocation
attempt if remaining bandwidth is unsifficient.

Most of HDA controllers have one SDO line with 46Mbps output bandwidth.
NVIDIA GF210 has 2 lines - 92Mbps. NVIDIA GF520 has 4 lines - 184Mbps!

MFC after: 2 months
Sponsored by: iXsystems, Inc.
H A Dhdaa.cdiff 6fa8e691a35940743c73d00fd498b970e92c552c Thu Jan 19 02:55:48 CET 2012 Alexander Motin <mav@FreeBSD.org> Two 192/24/8 playback streams overflow single mandatory output line (SDO)
of HDA bus. Handle that from two directions:
- Add support for "striping" (using several SDO lines), if supported.
- Account HDA bus utilization and return error on new stream allocation
attempt if remaining bandwidth is unsifficient.

Most of HDA controllers have one SDO line with 46Mbps output bandwidth.
NVIDIA GF210 has 2 lines - 92Mbps. NVIDIA GF520 has 4 lines - 184Mbps!

MFC after: 2 months
Sponsored by: iXsystems, Inc.
H A Dhdac.cdiff 6fa8e691a35940743c73d00fd498b970e92c552c Thu Jan 19 02:55:48 CET 2012 Alexander Motin <mav@FreeBSD.org> Two 192/24/8 playback streams overflow single mandatory output line (SDO)
of HDA bus. Handle that from two directions:
- Add support for "striping" (using several SDO lines), if supported.
- Account HDA bus utilization and return error on new stream allocation
attempt if remaining bandwidth is unsifficient.

Most of HDA controllers have one SDO line with 46Mbps output bandwidth.
NVIDIA GF210 has 2 lines - 92Mbps. NVIDIA GF520 has 4 lines - 184Mbps!

MFC after: 2 months
Sponsored by: iXsystems, Inc.