Don't clobber intel_dp->sink_count with the raw value.
Suggested-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
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
--
2.1.4
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