From: Imre Deak Date: Tue, 16 Jun 2020 14:18:53 +0000 (+0300) Subject: drm/i915/dp_mst: Clear only the ACT sent flag from DP_TP_STATUS X-Git-Tag: v5.15~3115^2~24^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3d289d2578eff2a274fc5e63fca2a611404a3003;p=platform%2Fkernel%2Flinux-starfive.git drm/i915/dp_mst: Clear only the ACT sent flag from DP_TP_STATUS 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 Cc: Ville Syrjälä Signed-off-by: Imre Deak Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20200616141855.746-4-imre.deak@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 33eb154..2ee538d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -323,7 +323,7 @@ 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)