1 files changed, 37 insertions, 0 deletions
diff --git a/include/drm/display/drm_hdmi_helper.h b/include/drm/display/drm_hdmi_helper.h
new file mode 100644
index 000000000000..09145c9ee9fc
--- /dev/null
+++ b/include/drm/display/drm_hdmi_helper.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef DRM_HDMI_HELPER
+#define DRM_HDMI_HELPER
+
+#include <linux/hdmi.h>
+
+struct drm_connector;
+struct drm_connector_state;
+struct drm_display_mode;
+
+void
+drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
+				   const struct drm_connector_state *conn_state);
+
+void
+drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
+			    const struct drm_connector_state *conn_state);
+
+int
+drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
+				    const struct drm_connector_state *conn_state);
+
+void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
+					 const struct drm_connector_state *conn_state);
+
+unsigned long long
+drm_hdmi_compute_mode_clock(const struct drm_display_mode *mode,
+			    unsigned int bpc, enum hdmi_colorspace fmt);
+
+void
+drm_hdmi_acr_get_n_cts(unsigned long long tmds_char_rate,
+		       unsigned int sample_rate,
+		       unsigned int *out_n,
+		       unsigned int *out_cts);
+
+#endif