linux-kernel - [PATCH 11/19] drm/msm/dp: remove ST_DISPLAY_OFF as a hpd

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Message-Id: <20250711-hpd-refactor-v1-11-33cbac823f34@oss.qualcomm.com>
Date: Fri, 11 Jul 2025 17:58:16 -0700
From: Jessica Zhang <jessica.zhang@....qualcomm.com>
To: Rob Clark <robin.clark@....qualcomm.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Dmitry Baryshkov <lumag@...nel.org>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Yongxing Mou <quic_yongmou@...cinc.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>
Subject: [PATCH 11/19] drm/msm/dp: remove ST_DISPLAY_OFF as a hpd_state

From: Abhinav Kumar <quic_abhinavk@...cinc.com>

Since all consumers of ST_DISPLAY_OFF have now been removed,
drop ST_DISPLAY_OFF from the list of hpd_states as technically
this was never a 'hpd' state anyway.

Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
Signed-off-by: Jessica Zhang <jessica.zhang@....qualcomm.com>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 4c9a515648bc..17093b78900c 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -49,7 +49,6 @@ enum {
 	ST_MAINLINK_READY,
 	ST_CONNECTED,
 	ST_DISCONNECT_PENDING,
-	ST_DISPLAY_OFF,
 };
 
 enum {
@@ -1652,8 +1651,6 @@ void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
 	if (hpd_state == ST_DISCONNECT_PENDING) {
 		/* completed disconnection */
 		msm_dp_display->hpd_state = ST_DISCONNECTED;
-	} else {
-		msm_dp_display->hpd_state = ST_DISPLAY_OFF;
 	}
 
 	drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type);

-- 
2.50.1