linux-kernel - [PATCH v1 03/35] drm/atomic: Add TV subconnector property to get/set

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Message-Id: <20220728-rpi-analog-tv-properties-v1-3-3d53ae722097@cerno.tech>
Date:   Fri, 29 Jul 2022 18:34:46 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Jernej Skrabec <jernej.skrabec@...il.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jerome Brunet <jbrunet@...libre.com>,
        Samuel Holland <samuel@...lland.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Daniel Vetter <daniel@...ll.ch>, Emma Anholt <emma@...olt.net>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Noralf Trønnes <noralf@...nnes.org>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Maxime Ripard <mripard@...nel.org>
Cc:     Maxime Ripard <maxime@...no.tech>, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Phil Elwell <phil@...pberrypi.com>,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        linux-amlogic@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        Dom Cobley <dom@...pberrypi.com>
Subject: [PATCH v1 03/35] drm/atomic: Add TV subconnector property to get/set_property

The subconnector property was created by drm_mode_create_tv_properties(),
but wasn't exposed to the userspace through the generic
atomic_get/set_property implementation, and wasn't stored in any generic
state structure.

Let's solve this.

Signed-off-by: Maxime Ripard <maxime@...no.tech>

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index c74c78a28171..c06d0639d552 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -688,6 +688,8 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
 		return -EINVAL;
 	} else if (property == config->tv_select_subconnector_property) {
 		state->tv.select_subconnector = val;
+	} else if (property == config->tv_subconnector_property) {
+		state->tv.subconnector = val;
 	} else if (property == config->tv_left_margin_property) {
 		state->tv.margins.left = val;
 	} else if (property == config->tv_right_margin_property) {
@@ -796,6 +798,8 @@ drm_atomic_connector_get_property(struct drm_connector *connector,
 			*val = connector->dpms;
 	} else if (property == config->tv_select_subconnector_property) {
 		*val = state->tv.select_subconnector;
+	} else if (property == config->tv_subconnector_property) {
+		*val = state->tv.subconnector;
 	} else if (property == config->tv_left_margin_property) {
 		*val = state->tv.margins.left;
 	} else if (property == config->tv_right_margin_property) {
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index f8091edf9a33..1e9996b33cc8 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -672,6 +672,7 @@ struct drm_connector_tv_margins {
 /**
  * struct drm_tv_connector_state - TV connector related states
  * @select_subconnector: selected subconnector
+ * @subconnector: detected subconnector
  * @margins: TV margins
  * @mode: TV mode
  * @brightness: brightness in percent
@@ -683,6 +684,7 @@ struct drm_connector_tv_margins {
  */
 struct drm_tv_connector_state {
 	enum drm_mode_subconnector select_subconnector;
+	enum drm_mode_subconnector subconnector;
 	struct drm_connector_tv_margins margins;
 	unsigned int mode;
 	unsigned int brightness;

-- 
b4 0.10.0-dev-49460