[PATCH 9/9] drm/i915: check for strange pfit pipe assignemnt on ivb/hsw

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On Tue, May 21, 2013 at 09:54:59PM +0200, Daniel Vetter wrote:
> Panel fitters on ivb/hsw are not created equal since not all of them
> support the new high-quality upscaling mode. To offset this the hw
> allows us to freely assign the pfits to pipes.
> 
> Since our code currently doesn't support this we might fall over when
> taking over firmware state. So check for this case and WARN about it.
> We can then improve the code once we've hit this in the wild. Or once
> we decide to support the improved upscale modes, though that requires
> global arbitrage of modeset resources across crtcs.
> 
> Suggested-by: Mika Kuoppala <mika.kuoppala at intel.com>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

This is already in with a IS_GEN7()

-- 
Damien


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