Using link_status to get DPCD_REV fails when disabling/defaulting phy pattern. Use intel_dp->dpcd to access DPCD_REV correctly. Fixes: 8cdf72711928 ("drm/i915/dp: Program vswing, pre-emphasis, test-pattern") Cc: Jani Nikula <jani.nikula@xxxxxxxxx> Cc: Imre Deak <imre.deak@xxxxxxxxx> Cc: Lee Shawn C <shawn.c.lee@xxxxxxxxx> Signed-off-by: Khaled Almahallawy <khaled.almahallawy@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 2c51737e3f4d..cd667802f7af 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4780,7 +4780,7 @@ static void intel_dp_process_phy_request(struct intel_dp *intel_dp, intel_dp->train_set, crtc_state->lane_count); drm_dp_set_phy_test_pattern(&intel_dp->aux, data, - link_status[DP_DPCD_REV]); + intel_dp->dpcd[DP_DPCD_REV]); } static u8 intel_dp_autotest_phy_pattern(struct intel_dp *intel_dp) -- 2.34.1