drm-misc-fixes-2020-04-30

Maxime Ripard

@mripard

6f49c251 · dma-buf: fix documentation build warnings · Apr 30, 2020

A few resources-related fixes for qxl, some doc build warnings and ioctl
fixes for dma-buf, an off-by-one fix in edid, and a return code fix in
DP-MST