drm/dp: Add DP DSC DPCD receiver capability size define and missing SHIFT
This patch defines the DP DSC receiver capability size that gives total number of DP DSC DPCD registers. This also adds a missing #defines for DP DSC support missed in the commit id (ab6a46ea "Add DPCD definitions for DP 1.4 DSC feature") v3: * MIN_SLICE_WIDTH = 2560 (Anusha) * Define DP_DSC_SLICE_WIDTH_MULTIPLIER = 320 v2: * Add SHIFT define and DECOMPRESSION_EN define missed in prev patch Cc: dri-devel@lists.freedesktop.org Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Gaurav K Singh <gaurav.k.singh@intel.com> Signed-off-by: NManasi Navare <manasi.d.navare@intel.com> Acked-by: Sean Paul <seanpaul@chromium.org> (For merging through drm-intel) Reviewed-by: NAnusha Srivatsa <anusha.srivatsa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181031001923.31442-2-manasi.d.navare@intel.com
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