[Intel-gfx] [PATCH 4/6] drm/i915/dp_mst: Clear only the ACT sent flag from DP_TP_STATUS

[Imre Deak]

It's not clear if the DP_TP_STATUS flags other than the ACT sent flag
have some side-effect, so don't clear those; we don't depend on the
state of these flags anyway.

Suggested-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 3977ee4f7176..b66b56a070e5 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -322,7 +322,7 @@ static void clear_act_sent(struct intel_dp *intel_dp)
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 
 	intel_de_write(i915, intel_dp->regs.dp_tp_status,
-		       intel_de_read(i915, intel_dp->regs.dp_tp_status));
+		       DP_TP_STATUS_ACT_SENT);
 }
 
 static void wait_for_act_sent(struct intel_dp *intel_dp)
-- 
2.23.1