[Intel-gfx] [PATCH 2/2] drm/i915/BXT: Tolerance at BXT DSI pipe_config comparison

Daniel Vetter daniel at ffwll.ch
Wed Apr 13 11:48:54 UTC 2016


On Wed, Apr 13, 2016 at 1:06 PM, Jani Nikula <jani.nikula at intel.com> wrote:
>> Then fix adjusted_mode to have the timings in terms of txbyteclkhs
>> already. Problem solved.
>
> I let Ville convince me there would be problems with that. Ville, care
> to fill in the details?

If we change them too hard the accurate vblank timestamp stuff will be
upset. But then we only need to adjust horizontal timings for dsi,
whereas on gen5+ the vblank ts code uses the line counter (i.e.
vertical timings) only.

If it's just that it should work, and I don't think we have any other
users of the adjusted_mode.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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