DRM patches for @cillian64 #6319
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…ctors The non-desktop property "Indicates the output should be ignored for purposes of displaying a standard desktop environment or console." That sounds like it should be true for all writeback and virtual connectors as you shouldn't render a desktop to them, so set it by default. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
The limit of 32 planes per DRM device is dictated by the use of planes_mask returning a u32. Change to a u64 such that 64 planes can be supported by a device. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
The HVS can accept an arbitrary number of planes, provided that the overall pixel read load is within limits, and the display list can fit into the dlist memory. Now that DRM will support 64 planes per device, increase the number of overlay planes from 16 to 48 so that the dlist complexity can be increased (eg 4x4 video wall on each of 3 displays). Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Instead of having 48 generic overlay planes, assign 32 to the writeback connector so that there is no ambiguity in wlroots when trying to find a plane for composition using the writeback connector vs display. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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@cillian64
I'm still looking for my patch that assigns the extra planes for the exclusive use of the writeback connector.