Hi all,
We need to refactor the current code a bit to allow parameters like
plane rotation and framebuffer tiling mode be taken into account when
calculating display watermarks.
I looked into this code a bit and am at the moment a bit confused with
what is where and why.
For example the purpose of plane_config in intel_crtc seems a bit thin,
or why it is created once on driver init. Then again watermark
parameters are embedded in intel_plane, which is separate from
plane_config. And where is the link between intel_crtc and intel_plane,
or why intel_crtc has a plane field - is it not that there are multiple
planes per pipe/crtc?
Part one would be trying to understand how things are. Then part two
would be coming up with a design, if justified by the extent of work
required, to implement this requirement.
Thanks,
Tvrtko
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