Liviu Dudau d664b851eb drm/arm/hdlcd: Reject atomic commits that disable only the plane ...

The HDLCD engine needs an active plane while the CRTC is active, as
it will start scanning out data from HDLCD_REG_FB_BASE once it gets
enabled. Make sure that the only available plane doesn't get disabled
while the CRTC remains active, as this will scanout invalid data.

Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>

2018-07-31 16:31:50 +01:00

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