CVE-2023-54047 drm/rockchip: dw_hdmi: cleanup drm encoder during unbind

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: dwhdmi: cleanup drm encoder during unbind This fixes a use-after-free crash during rmmod. The DRM encoder is embedded inside the larger rockchiphdmi, which is allocated with the component. The component memory gets...