On Tue, 1 Nov 2011 23:20:27 -0700, Keith Packard <keithp@xxxxxxxxxx> 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.packard@xxxxxxxxx
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