drm/i915: Introduce has_buf_trans_select()

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Add a small helper to determine if DDI_BUF_CTL uses the
DDI_BUF_TRANS_SELECT field, and whether we have the
accompanying DDI_BUF_TRANS table in the hardware.

Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211001130107.1746-3-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>

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Ville Syrjälä 2021-10-01 16:00:59 +03:00

parent f820693bc2

commit 5bafd85dd7

1 changed files with 9 additions and 2 deletions

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

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