Re: [PATCH v22 21/24] drm/mediatek: add dma dev get function

On Thu, 2022-05-26 at 19:02 +0800, Nancy.Lin wrote:

This is a preparation for adding support for the ovl_adaptor sub driver Ovl_adaptor is a DRM sub driver, which doesn't have dma dev. Add dma_dev_get function for getting representative dma dev in ovl_adaptor.

Signed-off-by: Nancy.Lin nancy.lin@mediatek.com Reviewed-by: AngeloGioachino Del Regno < angelogioacchino.delregno@collabora.com> Reviewed-by: CK Hu ck.hu@mediatek.com Tested-by: AngeloGioacchino Del Regno < angelogioacchino.delregno@collabora.com>

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[Bo-Chen: Test on MT8195 Tomato Chromebook with external display] Tested-by: Bo-Chen Chen rex-bc.chen@mediatek.com