Re: [PATCH v6] drm/mediatek: add dma buffer control for drm plane disable

[PATCH v6] drm/mediatek: add dma buffer control for drm plane disable

the DMA buffer is released when still accessed by Mediatek display hardware, this flow can lead to M4U reporting a translation fault warning add dma buffer control flow in mediatek driver: get dma buffer when drm plane disable put dma buffer when overlay really disable Fixes: 41016fe1028e ("drm: