linux-stable/drivers/gpu/drm/i915/display/intel_ddi.h
Matt Roper ce2fce2513 drm/i915: Only include i915_reg.h from .c files
Several of our i915 header files, have been including i915_reg.h.  This
means that any change to i915_reg.h will trigger a full rebuild of
pretty much every file of the driver, even those that don't have any
kind of register access.  Let's delete the i915_reg.h include from all
headers and add an explicit include from the .c files that truly
need the register definitions; those that need a definition of
i915_reg_t for a function definition can get it from i915_reg_defs.h
instead.

We also remove two non-register #define's (VLV_DISPLAY_BASE and
GEN12_SFC_DONE_MAX) into i915_reg_defs.h to allow us to drop the
i915_reg.h include from a couple of headers.

There's probably a lot more header dependency optimization possible, but
the changes here roughly cut the number of files compiled after 'touch
i915_reg.h' in half --- a good first step.

Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220127234334.4016964-7-matthew.d.roper@intel.com
2022-02-02 07:59:54 -08:00

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C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_DDI_H__
#define __INTEL_DDI_H__
#include "i915_reg_defs.h"
struct drm_connector_state;
struct drm_i915_private;
struct intel_atomic_state;
struct intel_connector;
struct intel_crtc;
struct intel_crtc_state;
struct intel_dp;
struct intel_dpll_hw_state;
struct intel_encoder;
struct intel_shared_dpll;
enum pipe;
enum port;
enum transcoder;
i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
struct intel_encoder *intel_encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state);
void intel_ddi_enable_clock(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_clock(struct intel_encoder *encoder);
void intel_ddi_get_clock(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state,
struct intel_shared_dpll *pll);
void hsw_ddi_enable_clock(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void hsw_ddi_disable_clock(struct intel_encoder *encoder);
bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
void hsw_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state);
struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
enum port port);
void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state);
void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
bool state);
void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
struct intel_crtc_state *crtc_state);
int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
enum transcoder cpu_transcoder,
bool enable, u32 hdcp_mask);
void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
int intel_ddi_level(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
int lane);
#endif /* __INTEL_DDI_H__ */