On Fri, Apr 21, 2017 at 04:38:48PM +0800, Chen-Yu Tsai wrote: > Hi, > > This is v2 of the series previously named "drm/sun4i: Support two > display pipelines". As the name change suggests, the driver now > supports any number of pipelines, though the hardware only has > 2 or 3. > > Changes since v1: > > - Add component endpoint ID numbering scheme to device tree binding. > > - Use lists to keep references to registered backends and tcons. > > - Save pointer to device node for backends. > > - Traverse the device tree of_graph starting from the tcons, going > up towards the inputs, and matching the device nodes with the > device nodes of registered backends, to find the one linked with > the tcon the search started from. > > - Copy the ID for the tcon from its upstream backend, instead of > trying, and possibly failing, to figure it out from the device > tree. > > - Split out hunk dropping trailing 0 from a backend error message. > > Patch 1 adds the component endpoint ID numbering scheme to the > device tree binding. New in v2. > > Patch 2 adds lists to track registered display backends and TCONs, > instead of just one pointer per component type. Previously added > arrays of pointers in v1. > > Patch 3 drops the trailing 0 from one of the backend's bind error > messages. This was previously part of the patch "drm/sun4i: Support > two display pipelines". > > Patch 4 adds a function to fetch a backend's ID from the device tree. > Unchanged. > > Patch 5 adds a device node field to the backend data structure and > saves a reference to the underlying device node of the backend. > New in v2. > > Patch 6 makes the tcon driver find its upstream backend by traversing > the of_graph and matching device nodes against the device nodes of > registered backends. > New in v2. > > Patch 7 makes the tcon driver use the ID from its associated backend. > New in v2. This is not immediately used in this series, but will be > used in similar fashion for downstream encoders to figure out IDs and > muxing > > Patch 8 adds device nodes for sun6i's second display pipeline. > Unchanged. > > Patch 9 enables sun6i's tcon0 by default. > Unchanged. Applied everything, thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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