drm/i915: Fix the i915_dsc_fec_support debugfs file for DP MST connectors

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DSC is not supported on DP MST streams so just don't add this entry for
MST connectors.

This also fixes an OOPS, caused by the encoder->digport cast, which is
not valid for MST encoders.

v2:
- Check encoder, which is unset for an MST connector, before it gets
  enabled.
v3:
- Just don't add this debugfs file for MST connectors. (Ville)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200609184140.4937-1-imre.deak@intel.com

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This commit is contained in:

Imre Deak 2020-06-09 21:41:40 +03:00

parent c980216dd2

commit f99fb30956

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/i915/display/intel_display_debugfs.c

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