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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-06-15 12:07:12 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-07-11 16:38:28 +0200
commit7e435aad38083f378ba7889d8b8fdcdbfe7088e7 (patch)
tree5bbdc53757bc3a2e596160ff938c5be7a2855c58 /.mailmap
parentLinux 3.16-rc3 (diff)
downloadlinux-7e435aad38083f378ba7889d8b8fdcdbfe7088e7.tar.xz
linux-7e435aad38083f378ba7889d8b8fdcdbfe7088e7.zip
drm: add of_graph endpoint helper to find possible CRTCs
Add a helper to allow encoders to find their possible CRTCs from the OF graph without having to re-implement this functionality. We add a device_node to drm_crtc which corresponds with the port node in the DT description of the CRTC device. We can then scan the DRM device list for CRTCs to find their index, matching the appropriate CRTC using the port device_node, thus building up the possible CRTC mask. Reviewed-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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