[Bug 99352] DRM/IMX first primary plane with pixel format DRM_FORMAT_YUV420 the screen is discolored

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99352

            Bug ID: 99352
           Summary: DRM/IMX first primary plane with pixel format
                    DRM_FORMAT_YUV420 the screen is discolored
           Product: DRI
           Version: DRI git
          Hardware: ARM
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/other
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: zillevdr at gmx.de

Created attachment 128874
  --> https://bugs.freedesktop.org/attachment.cgi?id=128874&action=edit
screen picture

the fb on the first primary plane with pixel format DRM_FORMAT_YUV420 is the
screen fail colored. It could be that YUV will misinterpreted as RGB. If I copy
only y data to fb the screen is red with a shadow from the picture. Only
u-plane the screen is green and same with v-plane is blue. A picture from the
screen are attached.
Tested with kernel 4.10-rc3 and 4.9.

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