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path: root/drivers/gpu/drm/drm_probe_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_probe_helper.c')
-rw-r--r--drivers/gpu/drm/drm_probe_helper.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 1b0c14ab3fff..f01abdc124d2 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -38,6 +38,9 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_edid.h>
+#include <drm/drm_modeset_helper_vtables.h>
+
+#include "drm_crtc_helper_internal.h"
/**
* DOC: output probing helper overview
@@ -113,6 +116,41 @@ static int drm_helper_probe_add_cmdline_mode(struct drm_connector *connector)
return 1;
}
+enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode)
+{
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ if (!crtc_funcs || !crtc_funcs->mode_valid)
+ return MODE_OK;
+
+ return crtc_funcs->mode_valid(crtc, mode);
+}
+
+enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode)
+{
+ const struct drm_encoder_helper_funcs *encoder_funcs =
+ encoder->helper_private;
+
+ if (!encoder_funcs || !encoder_funcs->mode_valid)
+ return MODE_OK;
+
+ return encoder_funcs->mode_valid(encoder, mode);
+}
+
+enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ const struct drm_connector_helper_funcs *connector_funcs =
+ connector->helper_private;
+
+ if (!connector_funcs || !connector_funcs->mode_valid)
+ return MODE_OK;
+
+ return connector_funcs->mode_valid(connector, mode);
+}
+
#define DRM_OUTPUT_POLL_PERIOD (10*HZ)
/**
* drm_kms_helper_poll_enable - re-enable output polling.