On Tue,  1 Nov 2011 23:20:27 -0700, Keith Packard <kei...@keithp.com> wrote:

> -static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
> +#define IDLE_ON_MASK         (PP_ON | PP_READY | PP_SEQUENCE_MASK | 0        
>              | PP_SEQUENCE_STATE_MASK)
> +#define IDLE_ON_VALUE        (PP_ON | PP_READY | PP_SEQUENCE_NONE | 0        
>              | PP_SEQUENCE_STATE_ON_IDLE)

A bit more testing -- looks like the MacBook Air doesn't mange to get
PP_READY set when it's time to turn the panel on. I should look at this
a bit more closely; there's no reason it shouldn't be set. But, nothing
bad seems to happen if we simply ignore the PP_READY bit

+#define IDLE_ON_MASK           (PP_ON | 0      | PP_SEQUENCE_MASK | 0          
           | PP_SEQUENCE_STATE_MASK)
+#define IDLE_ON_VALUE          (PP_ON | 0      | PP_SEQUENCE_NONE | 0          
           | PP_SEQUENCE_STATE_ON_IDLE)

-- 
keith.pack...@intel.com

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