linux-kernel - [PATCH v7 1/7] drm/msm/hdmi: switch to atomic bridge callbacks

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Message-Id: <20250208-bridge-hdmi-connector-v7-1-0c3837f00258@linaro.org>
Date: Sat, 08 Feb 2025 02:27:00 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Rob Clark <robdclark@...il.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 Simona Vetter <simona@...ll.ch>, Simona Vetter <simona.vetter@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org, 
 freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v7 1/7] drm/msm/hdmi: switch to atomic bridge callbacks

Change MSM HDMI bridge to use atomic_* callbacks in preparation to
enablign the HDMI connector support.

Acked-by: Maxime Ripard <mripard@...nel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
index 4a5b5112227f516dfc4279d0f319ec1e5b17f240..d839c71091dcdc3b020fcbba8d698d58ee7fc749 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
@@ -126,7 +126,8 @@ static void msm_hdmi_config_avi_infoframe(struct hdmi *hdmi)
 	hdmi_write(hdmi, REG_HDMI_INFOFRAME_CTRL1, val);
 }
 
-static void msm_hdmi_bridge_pre_enable(struct drm_bridge *bridge)
+static void msm_hdmi_bridge_atomic_pre_enable(struct drm_bridge *bridge,
+					      struct drm_bridge_state *old_bridge_state)
 {
 	struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
 	struct hdmi *hdmi = hdmi_bridge->hdmi;
@@ -152,7 +153,8 @@ static void msm_hdmi_bridge_pre_enable(struct drm_bridge *bridge)
 		msm_hdmi_hdcp_on(hdmi->hdcp_ctrl);
 }
 
-static void msm_hdmi_bridge_post_disable(struct drm_bridge *bridge)
+static void msm_hdmi_bridge_atomic_post_disable(struct drm_bridge *bridge,
+						struct drm_bridge_state *old_bridge_state)
 {
 	struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
 	struct hdmi *hdmi = hdmi_bridge->hdmi;
@@ -299,8 +301,11 @@ static enum drm_mode_status msm_hdmi_bridge_mode_valid(struct drm_bridge *bridge
 }
 
 static const struct drm_bridge_funcs msm_hdmi_bridge_funcs = {
-	.pre_enable = msm_hdmi_bridge_pre_enable,
-	.post_disable = msm_hdmi_bridge_post_disable,
+	.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
+	.atomic_reset = drm_atomic_helper_bridge_reset,
+	.atomic_pre_enable = msm_hdmi_bridge_atomic_pre_enable,
+	.atomic_post_disable = msm_hdmi_bridge_atomic_post_disable,
 	.mode_set = msm_hdmi_bridge_mode_set,
 	.mode_valid = msm_hdmi_bridge_mode_valid,
 	.edid_read = msm_hdmi_bridge_edid_read,

-- 
2.39.5