diff options
Diffstat (limited to 'Documentation/DocBook/device-drivers.tmpl')
-rw-r--r-- | Documentation/DocBook/device-drivers.tmpl | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index 99cdc05bbb7a..a93fbffa9742 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -128,43 +128,6 @@ X!Edrivers/base/interface.c !Edrivers/base/platform.c !Edrivers/base/bus.c </sect1> - <sect1> - <title>Buffer Sharing and Synchronization</title> - <para> - The dma-buf subsystem provides the framework for sharing buffers - for hardware (DMA) access across multiple device drivers and - subsystems, and for synchronizing asynchronous hardware access. - </para> - <para> - This is used, for example, by drm "prime" multi-GPU support, but - is of course not limited to GPU use cases. - </para> - <para> - The three main components of this are: (1) dma-buf, representing - a sg_table and exposed to userspace as a file descriptor to allow - passing between devices, (2) fence, which provides a mechanism - to signal when one device as finished access, and (3) reservation, - which manages the shared or exclusive fence(s) associated with - the buffer. - </para> - <sect2><title>dma-buf</title> -!Edrivers/dma-buf/dma-buf.c -!Iinclude/linux/dma-buf.h - </sect2> - <sect2><title>reservation</title> -!Pdrivers/dma-buf/reservation.c Reservation Object Overview -!Edrivers/dma-buf/reservation.c -!Iinclude/linux/reservation.h - </sect2> - <sect2><title>fence</title> -!Edrivers/dma-buf/fence.c -!Iinclude/linux/fence.h -!Edrivers/dma-buf/seqno-fence.c -!Iinclude/linux/seqno-fence.h -!Edrivers/dma-buf/sync_file.c -!Iinclude/linux/sync_file.h - </sect2> - </sect1> <sect1><title>Device Drivers DMA Management</title> !Edrivers/base/dma-coherent.c !Edrivers/base/dma-mapping.c |