diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 81682fd2804b..3c5c80da9ea3 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3728,6 +3728,8 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) static bool intel_dp_get_dpcd(struct intel_dp *intel_dp) { + u8 sink_count; + if (!intel_dp_read_dpcd(intel_dp)) return false; @@ -3737,8 +3739,7 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) intel_dp_set_common_rates(intel_dp); } - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_SINK_COUNT, - &intel_dp->sink_count) <= 0) + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_SINK_COUNT, &sink_count) <= 0) return false; /* @@ -3746,7 +3747,7 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) * a member variable in intel_dp will track any changes * between short pulse interrupts. */ - intel_dp->sink_count = DP_GET_SINK_COUNT(intel_dp->sink_count); + intel_dp->sink_count = DP_GET_SINK_COUNT(sink_count); /* * SINK_COUNT == 0 and DOWNSTREAM_PORT_PRESENT == 1 implies that