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asedeno.scripts.mit.edu Git - linux.git/commit
drm/i915: Fix up cpt pixel multiplier enable sequence
Bspec for the "DPLL HDMI multiplier" field says:
"Restriction : The DPLL must be enabled and stable before setting these bits.
These bits must be programmed after DPLL_SEL is programmed."
There is apparently no restriction on programming the DPLL_SEL
register wrt the DPLL. So let's just move that up before we enable the
pch dpll.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>