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Unverified Commit 731514b4 authored by Maxime Ripard's avatar Maxime Ripard
Browse files

drm/atomic: Add a function to reset connector TV properties 



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: default avatarNoralf Trønnes <noralf@tronnes.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/84a7b657f09303a2850e1cc79e68f623547f3fdd.1560783090.git-series.maxime.ripard@bootlin.com
parent 3d46a300

drivers/gpu/drm/drm_atomic_state_helper.c

+18 −0
Original line number Diff line number Diff line
@@ -379,6 +379,24 @@ void drm_atomic_helper_connector_reset(struct drm_connector *connector) 
}

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

include/drm/drm_atomic_state_helper.h

+1 −0
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, 
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);