diff options
| author | Imre Deak <imre.deak@intel.com> | 2025-02-14 17:19:52 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2025-02-14 22:39:05 +0300 |
| commit | b2ecdabe46d23db275f94cd7c46ca414a144818b (patch) | |
| tree | 68111dfcd185750f11ab395a5aa54cbfbc69d967 /drivers/gpu/drm/i915/display/intel_ddi.c | |
| parent | 76120b3a304aec28fef4910204b81a12db8974da (diff) | |
| download | linux-b2ecdabe46d23db275f94cd7c46ca414a144818b.tar.xz | |
drm/i915/ddi: Fix HDMI port width programming in DDI_BUF_CTL
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: b66a8abaa48a ("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
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 69678220a8ca..550e6ed6eaa1 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3507,7 +3507,7 @@ static void intel_ddi_enable_hdmi(struct intel_atomic_state *state, intel_de_rmw(dev_priv, XELPDP_PORT_BUF_CTL1(dev_priv, port), XELPDP_PORT_WIDTH_MASK | XELPDP_PORT_REVERSAL, port_buf); - buf_ctl |= DDI_PORT_WIDTH(lane_count); + buf_ctl |= DDI_PORT_WIDTH(crtc_state->lane_count); if (DISPLAY_VER(dev_priv) >= 20) buf_ctl |= XE2LPD_DDI_BUF_D2D_LINK_ENABLE; |