• Inki Dae's avatar
    drm/exynos: add iommu support for hdmi driver · 1055b39f
    Inki Dae authored
    Changelog v2:
    move iommu support feature to mixer side.
    And below is Prathyush's comment.
    
    According to the new IOMMU framework for exynos sysmmus,
    the owner of the sysmmu-tv is mixer (which is the actual
    device that does DMA) and not hdmi.
    The mmu-master in sysmmu-tv node is set as below in exynos5250.dtsi
    	sysmmu-tv {
    		-
    		mmu-master = <&mixer>;
    	};
    
    Changelog v1:
    The iommu will be enabled when hdmi sub driver is probed and
    will be disabled when removed.
    Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
    Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
    1055b39f
exynos_drm_hdmi.h 2.84 KB