drm/i915/bdw: Broadwell has PIPEMISC
And it inherits some bits from the previous TRANS_CONF (aka PIPE_CONF on previous gens). v2: Rebase on to of the pipe config bpp handling rework. v3: Rebased on top of the pipe_config->dither refactoring. v4: Drop the read-modify-write cycle for PIPEMISC, similarly to how we now also build up PIPECONF completely ourselves - keeping around random stuff set by the BIOS just isn't a good idea. I've checked BDW BSpec and we already set all relevant bits. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> (v1) Reviewed-by:Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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c7670b10