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mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-04 20:19:47 +08:00
linux/drivers/gpu/drm/i915/display/intel_hdmi.h
Jani Nikula 7fb56536fa drm/i915/hdmi: propagate errors from intel_hdmi_init_connector()
Propagate errors from intel_hdmi_init_connector() to be able to handle
them at callers. This is similar to intel_dp_init_connector().

Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reported-and-tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Closes: https://lore.kernel.org/r/20241031105145.2140590-1-senozhatsky@chromium.org
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/cdaf9e32cc4880c46e120933438c37b4d87be12e.1735568047.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2025-01-03 12:28:48 +02:00

66 lines
2.6 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_HDMI_H__
#define __INTEL_HDMI_H__
#include <linux/types.h>
enum hdmi_infoframe_type;
enum intel_output_format;
enum port;
struct drm_connector;
struct drm_connector_state;
struct drm_encoder;
struct drm_i915_private;
struct intel_connector;
struct intel_crtc_state;
struct intel_digital_port;
struct intel_encoder;
struct intel_hdmi;
union hdmi_infoframe;
bool intel_hdmi_init_connector(struct intel_digital_port *dig_port,
struct intel_connector *intel_connector);
bool intel_hdmi_compute_has_hdmi_sink(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
int intel_hdmi_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state);
void intel_hdmi_encoder_shutdown(struct intel_encoder *encoder);
bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder,
struct drm_connector *connector,
bool high_tmds_clock_ratio,
bool scrambling);
void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable);
void intel_infoframe_init(struct intel_digital_port *dig_port);
u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
u32 intel_hdmi_infoframe_enable(unsigned int type);
void intel_hdmi_read_gcp_infoframe(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state);
void intel_hdmi_fastset_infoframes(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
void intel_read_infoframe(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
enum hdmi_infoframe_type type,
union hdmi_infoframe *frame);
bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state,
int bpc, bool has_hdmi_sink);
int intel_hdmi_tmds_clock(int clock, int bpc, enum intel_output_format sink_format);
int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width,
int num_slices, int output_format, bool hdmi_all_bpp,
int hdmi_max_chunk_bytes);
int intel_hdmi_dsc_get_num_slices(const struct intel_crtc_state *crtc_state,
int src_max_slices, int src_max_slice_width,
int hdmi_max_slices, int hdmi_throughput);
int intel_hdmi_dsc_get_slice_height(int vactive);
#endif /* __INTEL_HDMI_H__ */