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From 8dd1e4d73fdbc4a533a58c2c74a72877257c558c Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@bootlin.com>
Date: Wed, 19 Jun 2019 12:17:52 +0200
Subject: [PATCH] drm/atomic: Add a function to reset connector TV
properties
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Commit 731514b446fe6748d5a55a3dff202efb45c7d8df upstream.
Reworked as functions have been moved from drm_atomic_helper.[c|h]
to drm_atomic_state_helper.[c|h].
During the connector reset, if that connector has a TV property, it needs
to be reset to the value provided on the command line.
Provide a helper to do that.
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/84a7b657f09303a2850e1cc79e68f623547f3fdd.1560783090.git-series.maxime.ripard@bootlin.com
---
drivers/gpu/drm/drm_atomic_helper.c | 18 ++++++++++++++++++
include/drm/drm_atomic_helper.h | 1 +
2 files changed, 19 insertions(+)
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -3737,6 +3737,24 @@ void drm_atomic_helper_connector_reset(s
EXPORT_SYMBOL(drm_atomic_helper_connector_reset);
/**
+ * drm_atomic_helper_connector_tv_reset - Resets TV connector properties
+ * @connector: DRM connector
+ *
+ * Resets the TV-related properties attached to a connector.
+ */
+void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector)
+{
+ struct drm_cmdline_mode *cmdline = &connector->cmdline_mode;
+ struct drm_connector_state *state = connector->state;
+
+ state->tv.margins.left = cmdline->tv_margins.left;
+ state->tv.margins.right = cmdline->tv_margins.right;
+ state->tv.margins.top = cmdline->tv_margins.top;
+ state->tv.margins.bottom = cmdline->tv_margins.bottom;
+}
+EXPORT_SYMBOL(drm_atomic_helper_connector_tv_reset);
+
+/**
* __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
* @connector: connector object
* @state: atomic connector state
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -168,6 +168,7 @@ void drm_atomic_helper_plane_destroy_sta
void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
struct drm_connector_state *conn_state);
void drm_atomic_helper_connector_reset(struct drm_connector *connector);
+void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector);
void
__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
struct drm_connector_state *state);
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