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

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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
This commit is contained in:
Maxime Ripard 2019-06-19 12:17:52 +02:00
parent 3d46a3007c
commit 731514b446
No known key found for this signature in database
GPG Key ID: E3EF0D6F671851C5
2 changed files with 19 additions and 0 deletions
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18
drivers/gpu/drm/drm_atomic_state_helper.c
View File

@ -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

1
include/drm/drm_atomic_state_helper.h
View File

@ -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);