linux-kernel - [PATCH 1/2] drm/msm/dp: Inline dp_display_is_sink_count

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Message-ID: <20230906181226.2198441-2-swboyd@chromium.org>
Date:   Wed,  6 Sep 2023 11:12:25 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        Sean Paul <sean@...rly.run>, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org,
        Vinod Polimera <quic_vpolimer@...cinc.com>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>
Subject: [PATCH 1/2] drm/msm/dp: Inline dp_display_is_sink_count_zero()

This function is basically a one-liner when you ignore the debug
logging. Just inline the function and drop the log to simplify the code.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Vinod Polimera <quic_vpolimer@...cinc.com>
Cc: Kuogee Hsieh <quic_khsieh@...cinc.com>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 96bbf6fec2f1..2a5f1ab9a65b 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -341,14 +341,6 @@ static const struct component_ops dp_display_comp_ops = {
 	.unbind = dp_display_unbind,
 };
 
-static bool dp_display_is_sink_count_zero(struct dp_display_private *dp)
-{
-	drm_dbg_dp(dp->drm_dev, "present=%#x sink_count=%d\n",
-			dp->panel->dpcd[DP_DOWNSTREAMPORT_PRESENT],
-		dp->link->sink_count);
-	return drm_dp_is_branch(dp->panel->dpcd) && dp->link->sink_count == 0;
-}
-
 static void dp_display_send_hpd_event(struct msm_dp *dp_display)
 {
 	struct dp_display_private *dp;
@@ -507,7 +499,7 @@ static int dp_display_handle_port_ststus_changed(struct dp_display_private *dp)
 {
 	int rc = 0;
 
-	if (dp_display_is_sink_count_zero(dp)) {
+	if (drm_dp_is_branch(dp->panel->dpcd) && dp->link->sink_count == 0) {
 		drm_dbg_dp(dp->drm_dev, "sink count is zero, nothing to do\n");
 		if (dp->hpd_state != ST_DISCONNECTED) {
 			dp->hpd_state = ST_DISCONNECT_PENDING;
-- 
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