drm/i915: Enable a PIPEDMC whenever its corresponding pipe is enabled
Make sure that PIPEDMCs are enabled whenever the corresponding pipe is enabled. This is required at least by the latest ADLP v2.18 firmware, which adds a new handler enabled by default and running whenever the pipe is enabled at the vertical referesh rate. Bspec: 50344, 67620 Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Tested-by: Gustavo Sousa <gustavo.sousa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230102183324.862279-1-imre.deak@intel.com
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