Op 05-03-18 om 19:50 schreef Rodrigo Vivi:
> On Mon, Mar 05, 2018 at 01:36:08PM +0100, Maarten Lankhorst wrote:
>> If i915.enable_fbc is cleared at runtime, but FBC was previously enabled
>> then we don't disable FBC until the next time the crtc is disabled.
>> Make sure that if the module param is changed, we disable FBC in
>> intel_fbc_post_update so we never have to worry about disabling.
> What about switching this from a parameter to debugfs toggle like drrs?
There are still places where people recommend booting with i915.enable_fbc=0, 
this would break if we moved it to debugfs.

Having a small fix is enough.

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