diff options
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index e360e1a269f4..c3f0f0a5a8a9 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2161,6 +2161,32 @@ static struct edid *drm_get_override_edid(struct drm_connector *connector, return IS_ERR(override) ? NULL : override; } +/* For debugfs edid_override implementation */ +int drm_edid_override_set(struct drm_connector *connector, const void *edid, + size_t size) +{ + int ret; + + if (size < EDID_LENGTH || edid_size(edid) > size) + return -EINVAL; + + connector->override_edid = false; + + ret = drm_connector_update_edid_property(connector, edid); + if (!ret) + connector->override_edid = true; + + return ret; +} + +/* For debugfs edid_override implementation */ +int drm_edid_override_reset(struct drm_connector *connector) +{ + connector->override_edid = false; + + return drm_connector_update_edid_property(connector, NULL); +} + /** * drm_add_override_edid_modes - add modes from override/firmware EDID * @connector: connector we're probing |