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authorVille Syrjälä <ville.syrjala@linux.intel.com>2019-10-22 21:56:43 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2019-10-29 21:50:24 -0700
commit59cd826fb5e7889515bf5771e295e0624c348571 (patch)
tree9744aa737b1cf996fb3418432b796506a77964be /drivers/gpu/drm/amd/display/dc/core
parentdd7ebe6787328dec8b45f97c93d3dfdc4a4e4fde (diff)
drm/i915: Fix PCH reference clock for FDI on HSW/BDW
The change to skip the PCH reference initialization during fastboot did end up breaking FDI. To fix that let's try to do the PCH reference init whenever we're disabling a DPLL that was using said reference previously. Cc: stable@vger.kernel.org Tested-by: Andrija <akijo97@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112084 Fixes: b16c7ed95caf ("drm/i915: Do not touch the PCH SSC reference if a PLL is using it") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191022185643.1483-1-ville.syrjala@linux.intel.com Reviewed-by: Imre Deak <imre.deak@intel.com> (cherry picked from commit dd5279c71405533d4ddbb9453effc60f0f5bf211) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core')
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