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Commit 086877a1 authored by Ville Syrjälä's avatar Ville Syrjälä
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drm/i915: Tolerate bogus DPLL selection



Let's check that we actually found the PLL before doing the
port_clock readout, just in case the hardware was severly
misprogrammed by the previous guy. Not sure the hw would
even survive such misprogramming without hanging but no
real harm in checking anyway.

Cc: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210310194351.6233-1-ville.syrjala@linux.intel.com


Reviewed-by: default avatarKarthik B S <karthik.b.s@intel.com>
parent 35bb28ec
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