[Intel-gfx] [PATCH] drm: Disable all the possibles output/crtcs before entering KMS mode

[Rafał Miłecki]

2009/12/4 Dave Airlie <airlied at redhat.com>:
> On Fri, 2009-12-04 at 20:05 +0800, yakui.zhao at intel.com wrote:
>> From: Zhao Yakui <yakui.zhao at intel.com>
>>
>> Disable all the possible outputs/crtcs before entering KMS mode.
>
> We need a bit more info than this for such a large change?
>
> At one point we wanted to do smooth startup for LVDS panels,
> so that we read back the mode and avoided reconfiguring them
> this sort of change would totally go against it.
>
> Also I thought Arjan wanted to avoid slowdowns on startup,
> which I would expect this to add to.

We have something like drm_disable_unused_functions. Isn't that
supposed to make what you introduce there? At least at KMS booting
when we don't have encoders/crtcs/outputs configured it should work
for that. Am I wrong?

-- 
Rafał