drm/i915/ddi: Fix HDMI port width programming in DDI_BUF_CTL

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commit 166ce267ae 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: b66a8abaa4 ("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 b2ecdabe46)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Imre Deak 2025-02-14 16:19:52 +02:00 • committed by Greg Kroah-Hartman

parent 9c1ae19a3d

commit c949307a84

2 changed files with 2 additions and 2 deletions

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2

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

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2

drivers/gpu/drm/i915/i915_reg.h

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