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drm/probe-helper: remove unused drm_connector_helper_get_modes_from_ddc()

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Remove the unused drm_connector_helper_get_modes_from_ddc()
function. Most drivers should probably have this functionality split to
detect and get modes parts, so the helper is not the best abstraction.

Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/60eb6b2db16747d3f9c12604b197f33da585c16e.1704473654.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2024-01-05 18:57:49 +02:00
parent 2e367ad4da
commit babebd1dc1
2 changed files with 0 additions and 37 deletions
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36
drivers/gpu/drm/drm_probe_helper.c
View File

@ -1100,42 +1100,6 @@ enum drm_mode_status drm_crtc_helper_mode_valid_fixed(struct drm_crtc *crtc,
}
EXPORT_SYMBOL(drm_crtc_helper_mode_valid_fixed);
/**
* drm_connector_helper_get_modes_from_ddc - Updates the connector's EDID
* property from the connector's
* DDC channel
* @connector: The connector
*
* Returns:
* The number of detected display modes.
*
* Uses a connector's DDC channel to retrieve EDID data and update the
* connector's EDID property and display modes. Drivers can use this
* function to implement struct &drm_connector_helper_funcs.get_modes
* for connectors with a DDC channel.
*/
int drm_connector_helper_get_modes_from_ddc(struct drm_connector *connector)
{
struct edid *edid;
int count = 0;
if (!connector->ddc)
return 0;
edid = drm_get_edid(connector, connector->ddc);
// clears property if EDID is NULL
drm_connector_update_edid_property(connector, edid);
if (edid) {
count = drm_add_edid_modes(connector, edid);
kfree(edid);
}
return count;
}
EXPORT_SYMBOL(drm_connector_helper_get_modes_from_ddc);
/**
* drm_connector_helper_get_modes_fixed - Duplicates a display mode for a connector
* @connector: the connector

1
include/drm/drm_probe_helper.h
View File

@ -32,7 +32,6 @@ enum drm_mode_status drm_crtc_helper_mode_valid_fixed(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
const struct drm_display_mode *fixed_mode);
int drm_connector_helper_get_modes_from_ddc(struct drm_connector *connector);
int drm_connector_helper_get_modes_fixed(struct drm_connector *connector,
const struct drm_display_mode *fixed_mode);
int drm_connector_helper_get_modes(struct drm_connector *connector);