tree 4a48054af8be8ab242ae694442233d74c4535681
parent ca1a4f8e9fb6bb822b6770bac8905a65f92a9050
author Jamie Nicol <jamie.nicol@arm.com> 1408723727 +0100
committer Andreas Sandberg <andreas.sandberg@arm.com> 1513004965 +0000

fbdev: add dma-buf support

Add support for the dma-buf exporter role to the frame buffer API. The
importer role isn't meaningful for frame buffer devices, as the frame
buffer device model doesn't allow using externally allocated memory.

Taken from an RFC on the linaro-mm-sig mailing list:
http://lists.linaro.org/pipermail/linaro-mm-sig/2012-June/002167.html

Signed-off-by: Guillaume Tucker <guillaume.tucker@arm.com>
[Ported to gem5's 4.3 kernel]
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
[Ported to gem5's 4.9 kernel. Added dep. on CONFIG_DMA_SHARED_BUFFER]
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>