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由 Daniel Vetter 提交于
The native TV encoder has it's own flags to adjust sync modes and enabled interlaced modes which are totally irrelevant for the adjusted mode. This worked out nicely since the input modes used by both the load detect code and reported in the ->get_modes callbacks all have no flags set, and we also don't fill out any of them in the ->get_config callback. This changed with the additional sanitation done with commit 2960bc9c Author: Imre Deak <imre.deak@intel.com> Date: Tue Jul 30 13:36:32 2013 +0300 drm/i915: make user mode sync polarity setting explicit sinc now the "no flags at all" state wouldn't fit through core code any more. So fix this up again by explicitly clearing the flags in the ->compute_config callback. Aside: We have zero checking in place to make sure that the requested mode is indeed the right input mode we want for the selected TV mode. So we'll happily fall over if userspace tries to pull us. But that's definitely work for a different patch series. So just add a FIXME comment for now. Reported-by: NKnut Petersen <Knut_Petersen@t-online.de> Cc: Knut Petersen <Knut_Petersen@t-online.de> Cc: Imre Deak <imre.deak@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: NKnut Petersen <Knut_Petersen@t-online.de> Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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