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drm/i915: always return something on DDI clock selection 

Even if we don't have the correct clock and get a warning, we should not
skip the return.

v2: improve commit message (from Joonas)

Fixes: 1fa11ee2d9 ("drm/i915/icl: start adding the TBT pll")
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125222444.19926-3-lucas.demarchi@intel.com
(cherry picked from commit 7a61a6dec3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Lucas De Marchi 2019-01-25 14:24:42 -08:00 committed by Jani Nikula
parent 3e0b69bbed
commit 2a121030d4
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_ddi.c
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@ -1086,7 +1086,7 @@ static uint32_t icl_pll_to_ddi_pll_sel(struct intel_encoder *encoder,
return DDI_CLK_SEL_TBT_810;
default:
MISSING_CASE(clock);
break;
return DDI_CLK_SEL_NONE;
}
case DPLL_ID_ICL_MGPLL1:
case DPLL_ID_ICL_MGPLL2: