| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20250718-lt9611uxc-hdmi-v1-1-0aa8dd26a57a@oss.qualcomm.com>
Date: Fri, 18 Jul 2025 18:21:08 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
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>, Simona Vetter <simona@...ll.ch>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Rob Clark <robin.clark@....qualcomm.com>,
Dmitry Baryshkov <lumag@...nel.org>,
Abhinav Kumar <abhinav.kumar@...ux.dev>,
Jessica Zhang <jessica.zhang@....qualcomm.com>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
linux-amlogic@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
freedreno@...ts.freedesktop.org
Subject: [PATCH 1/2] drm/bridge: add connector argument to .hpd_notify
callback
Drivers might need to update DRM connector in the
drm_bridge_funcs.hpd_notify callback (e.g. it might be necessary to
update EDID before setting ELD). Add corresponding argument to the
callback.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
drivers/gpu/drm/display/drm_bridge_connector.c | 2 +-
drivers/gpu/drm/meson/meson_encoder_hdmi.c | 1 +
drivers/gpu/drm/msm/dp/dp_display.c | 3 ++-
drivers/gpu/drm/msm/dp/dp_drm.h | 3 ++-
drivers/gpu/drm/omapdrm/dss/hdmi4.c | 1 +
include/drm/drm_bridge.h | 1 +
6 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c
index 5eb7e9bfe36116c9618cd3773f1c01e7ebb573be..f2fd277d694b8c959f913517ff5861b777d8a9dd 100644
--- a/drivers/gpu/drm/display/drm_bridge_connector.c
+++ b/drivers/gpu/drm/display/drm_bridge_connector.c
@@ -141,7 +141,7 @@ static void drm_bridge_connector_hpd_notify(struct drm_connector *connector,
/* Notify all bridges in the pipeline of hotplug events. */
drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) {
if (bridge->funcs->hpd_notify)
- bridge->funcs->hpd_notify(bridge, status);
+ bridge->funcs->hpd_notify(bridge, connector, status);
}
}
diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c
index 8205ee56a691ee7d166b16cfce6932d0308fe6c4..a665c9036878c1e879b7bd88df1d523658fe8849 100644
--- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c
@@ -323,6 +323,7 @@ static int meson_encoder_hdmi_atomic_check(struct drm_bridge *bridge,
}
static void meson_encoder_hdmi_hpd_notify(struct drm_bridge *bridge,
+ struct drm_connector *connector,
enum drm_connector_status status)
{
struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge);
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index d87d47cc7ec3eb757ac192c411000bc50b824c59..0676b3423abcb31ac3ea6e6269473764786133ed 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1774,7 +1774,8 @@ void msm_dp_bridge_hpd_disable(struct drm_bridge *bridge)
}
void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge,
- enum drm_connector_status status)
+ struct drm_connector *connector,
+ enum drm_connector_status status)
{
struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(bridge);
struct msm_dp *msm_dp_display = msm_dp_bridge->msm_dp_display;
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.h b/drivers/gpu/drm/msm/dp/dp_drm.h
index d8c9b905f8bfb5abe47c1cb26d17bc605e3e1ba6..9eb3431dd93adf096f45b6d981967734bc8a2b0c 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.h
+++ b/drivers/gpu/drm/msm/dp/dp_drm.h
@@ -40,6 +40,7 @@ void msm_dp_bridge_mode_set(struct drm_bridge *drm_bridge,
void msm_dp_bridge_hpd_enable(struct drm_bridge *bridge);
void msm_dp_bridge_hpd_disable(struct drm_bridge *bridge);
void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge,
- enum drm_connector_status status);
+ struct drm_connector *connector,
+ enum drm_connector_status status);
#endif /* _DP_DRM_H_ */
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index 3cd612af24498b057c33eaecb3d43c8df76cd23e..29b2dfb90b5fa3b137d05725d65a1cccb9cd1345 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -428,6 +428,7 @@ static void hdmi4_bridge_disable(struct drm_bridge *bridge,
}
static void hdmi4_bridge_hpd_notify(struct drm_bridge *bridge,
+ struct drm_connector *connector,
enum drm_connector_status status)
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 8ed80cad77ec4b40d0aa6159e802a2839d5b8792..1e73d72c55426ec21905070a13b44aa36b02e023 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -730,6 +730,7 @@ struct drm_bridge_funcs {
* controllers for HDMI bridges.
*/
void (*hpd_notify)(struct drm_bridge *bridge,
+ struct drm_connector *connector,
enum drm_connector_status status);
/**
--
2.39.5
Powered by blists - more mailing lists