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drm/i915/ddi: Fix HDMI port width programming in DDI_BUF_CTL
commit 166ce267ae3f96e439d8ccc838e8ec4d8b4dab73 upstream. Fix the port width programming in the DDI_BUF_CTL register on MTLP+, where this had an off-by-one error. Cc: <stable@vger.kernel.org> # v6.5+ Fixes: b66a8aba ("drm/i915/display/mtl: Fill port width in DDI_BUF_/TRANS_DDI_FUNC_/PORT_BUF_CTL for HDMI") Reviewed-by:Jani Nikula <jani.nikula@intel.com> Signed-off-by:
Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250214142001.552916-3-imre.deak@intel.com (cherry picked from commit b2ecdabe46d23db275f94cd7c46ca414a144818b) Signed-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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