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path: root/drivers/gpu/drm/drm_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index caec5c3634bb..df90048de92e 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -762,6 +762,40 @@ static void drm_mode_remove(struct drm_connector *connector,
}
/**
+ * drm_display_info_set_bus_formats - set the supported bus formats
+ * @info: display info to store bus formats in
+ * @fmts: array containing the supported bus formats
+ * @nfmts: the number of entries in the fmts array
+ *
+ * Store the supported bus formats in display info structure.
+ * See MEDIA_BUS_FMT_* definitions in include/uapi/linux/media-bus-format.h for
+ * a full list of available formats.
+ */
+int drm_display_info_set_bus_formats(struct drm_display_info *info,
+ const u32 *formats,
+ unsigned int num_formats)
+{
+ u32 *fmts = NULL;
+
+ if (!formats && num_formats)
+ return -EINVAL;
+
+ if (formats && num_formats) {
+ fmts = kmemdup(formats, sizeof(*formats) * num_formats,
+ GFP_KERNEL);
+ if (!formats)
+ return -ENOMEM;
+ }
+
+ kfree(info->bus_formats);
+ info->bus_formats = fmts;
+ info->num_bus_formats = num_formats;
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_display_info_set_bus_formats);
+
+/**
* drm_connector_get_cmdline_mode - reads the user's cmdline mode
* @connector: connector to quwery
*
@@ -923,6 +957,7 @@ void drm_connector_cleanup(struct drm_connector *connector)
ida_remove(&drm_connector_enum_list[connector->connector_type].ida,
connector->connector_type_id);
+ kfree(connector->display_info.bus_formats);
drm_mode_object_put(dev, &connector->base);
kfree(connector->name);
connector->name = NULL;