From: Khaled Almahallawy <khaled.almahallawy@xxxxxxxxx> commit a43555ac908c604f45ed98628805aec9355b9737 upstream. Setting ln0 similar to ln1 Fixes: 3b51be4e4061b ("drm/i915/tc: Update DP_MODE programming") Cc: <stable@xxxxxxxxxxxxxxx> # v5.5+ Signed-off-by: Khaled Almahallawy <khaled.almahallawy@xxxxxxxxx> Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20200608204537.28468-1-khaled.almahallawy@xxxxxxxxx (cherry picked from commit 4f72a8ee819d57d7329d88f487a2fc9b45153177) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -2866,7 +2866,7 @@ icl_program_mg_dp_mode(struct intel_digi ln1 = intel_de_read(dev_priv, MG_DP_MODE(1, tc_port)); } - ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X1_MODE); + ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); /* DPPATC */