1 /* SPDX-License-Identifier: MIT */ 2 3 #ifndef DRM_HDMI_HELPER 4 #define DRM_HDMI_HELPER 5 6 #include <linux/hdmi.h> 7 8 struct drm_connector; 9 struct drm_connector_state; 10 struct drm_display_mode; 11 enum drm_output_color_format; 12 13 void 14 drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame, 15 const struct drm_connector_state *conn_state); 16 17 void 18 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame, 19 const struct drm_connector_state *conn_state); 20 21 int 22 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame, 23 const struct drm_connector_state *conn_state); 24 25 void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame, 26 const struct drm_connector_state *conn_state); 27 28 unsigned long long 29 drm_hdmi_compute_mode_clock(const struct drm_display_mode *mode, 30 unsigned int bpc, enum drm_output_color_format fmt); 31 32 void 33 drm_hdmi_acr_get_n_cts(unsigned long long tmds_char_rate, 34 unsigned int sample_rate, 35 unsigned int *out_n, 36 unsigned int *out_cts); 37 38 #endif 39