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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-13 20:48:42 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-13 20:48:42 -0800
commit2145199c4f0db7c517dd788abec301dc84b91bd0 (patch)
treed5ae3afd434b81a377bf3ddb3780703952a4fdc0 /Documentation
parent21ebd6c68b5511b55f4f456e4ba17c2d711e3617 (diff)
parent081794564e3000e602de290d1121792c33b475a4 (diff)
downloadlinux-linaro-stable-2145199c4f0db7c517dd788abec301dc84b91bd0.tar.gz
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: dma-buf: Documentation update for Kconfig select nouveau: Support Optimus models for vga_switcheroo nouveau: properly check for _DSM function support dma-buf: drop option text so users don't select it. radeon: Call pci_clear_master() instead of open-coding it. gma500: Discard modes that don't fit in stolen memory drm: bump DRM_CONNECTOR_MAX_ENCODER from 2 to 3 drm/radeon/kms: Fix module parameter description format drm/radeon/kms/ni: fix packet2 handling for VM IB parser ttm/dma: Remove the WARN() which is not useful.
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/dma-buf-sharing.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt
index 510eab32f392..225f96d88f55 100644
--- a/Documentation/dma-buf-sharing.txt
+++ b/Documentation/dma-buf-sharing.txt
@@ -219,6 +219,10 @@ NOTES:
If the exporter chooses not to allow an attach() operation once a
map_dma_buf() API has been called, it simply returns an error.
+Miscellaneous notes:
+- Any exporters or users of the dma-buf buffer sharing framework must have
+ a 'select DMA_SHARED_BUFFER' in their respective Kconfigs.
+
References:
[1] struct dma_buf_ops in include/linux/dma-buf.h
[2] All interfaces mentioned above defined in include/linux/dma-buf.h