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drm/i915/cnl: Remove spurious central_freq.

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"Display software must leave this field at the default value.
It no longer needs to be configured as part of PLL programming."

We respect this already and we are setting up the default
one line below: "DPLL_CFGCR1_CENTRAL_FREQ".

Also we don't touch anywhere else this central_freq for cnl.
So let's remove from the final write.

No functional change. Only a clean-up patch.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171114194759.24541-2-rodrigo.vivi@intel.com
This commit is contained in:
Rodrigo Vivi 2017-11-14 11:47:53 -08:00
parent 4fe95b042d
commit ec2f343e72
1 changed files with 0 additions and 1 deletions
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1
drivers/gpu/drm/i915/intel_dpll_mgr.c
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@ -2265,7 +2265,6 @@ static bool cnl_ddi_hdmi_pll_dividers(struct intel_crtc *crtc,
DPLL_CFGCR1_QDIV_MODE(wrpll_params.qdiv_mode) |
DPLL_CFGCR1_KDIV(wrpll_params.kdiv) |
DPLL_CFGCR1_PDIV(wrpll_params.pdiv) |
wrpll_params.central_freq |
DPLL_CFGCR1_CENTRAL_FREQ;
memset(&crtc_state->dpll_hw_state, 0,