On Sunday, 27 December 2015, Stefan Agner <stefan@xxxxxxxx> wrote:
However, I think with my patch "drm/fsl-dcu: Fix no fb check bug", this
situation can be avoided completely:
https://lkml.org/lkml/2015/11/18/950
With that patch applied, and a non-existing panel assigned, the DRM
driver already fails at probe time gracefully:
[ 0.488291] [drm] Initialized drm 1.1.0 20060810
[ 0.501576] fsl-dcu 40058000.dcu: failed to initialize mode setting
So I think that a state->fb check for NULL is not necessary at all...
Can you test my patch to see if it fixes the issue for you too?
This is still required; state->fb being NULL means the plane is being disabled.
Cheers,
Daniel
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