I.MX6 HDMI support in v4.2

[Russell King - ARM Linux]

On Thu, Sep 10, 2015 at 12:25:32PM +0200, Krzysztof Hałasa wrote:
> The Y plane is ok, but the Xv window is green, like on old monochrome
> CRTs - what could that be? It looks like the UV planes are all wrong.

>From a quick read of the imx-drm ipuv3-plane code, it looks like it
doesn't bother with the U/V planes for planar images.  Nothing looks
at fb->offsets[1,2] nor fb->pitches[1,2].  However, it claims to
support DRM_FORMAT_YUV420 and DRM_FORMAT_YVU420 formats - which is
wrong if it doesn't look at these other offsets and pitches.

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