From 5918241f607616c0cd9565f575f4cd955fa435e0 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Fri, 13 Aug 2021 14:56:10 +0300 Subject: [PATCH] drm/i915/mst: use intel_de_rmw() to simplify VC payload alloc set/clear Less is more, fewer lines to wonder about. Cc: Manasi Navare Reviewed-by: Rodrigo Vivi Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20210813115610.20010-1-jani.nikula@intel.com --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 8d13d7b26a25b..9859c0334ebcc 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -396,7 +396,6 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state, to_intel_connector(old_conn_state->connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); bool last_mst_stream; - u32 val; intel_dp->active_mst_links--; last_mst_stream = intel_dp->active_mst_links == 0; @@ -412,12 +411,8 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state, clear_act_sent(encoder, old_crtc_state); - val = intel_de_read(dev_priv, - TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder)); - val &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC; - intel_de_write(dev_priv, - TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder), - val); + intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder), + TRANS_DDI_DP_VC_PAYLOAD_ALLOC, 0); wait_for_act_sent(encoder, old_crtc_state); -- 2.39.5