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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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27fec1f973
It used to be handy that we only had a couple of headers, but over time intel_drv.h has become unwieldy. Extract declarations to a separate header file corresponding to the implementation module, clarifying the modularity of the driver. Ensure the new header is self-contained, and do so with minimal further includes, using forward declarations as needed. Include the new header only where needed, and sort the modified include directives while at it and as needed. No functional changes. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/f86f9beed730eaad0bdcc18b18817b3d221e16e2.1554461791.git.jani.nikula@intel.com
122 lines
4.7 KiB
C
122 lines
4.7 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_DP_H__
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#define __INTEL_DP_H__
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#include <linux/types.h>
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#include <drm/i915_drm.h>
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#include "i915_reg.h"
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enum pipe;
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struct drm_connector_state;
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struct drm_encoder;
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struct drm_i915_private;
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struct drm_modeset_acquire_ctx;
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struct intel_connector;
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struct intel_crtc_state;
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struct intel_digital_port;
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struct intel_dp;
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struct intel_encoder;
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struct link_config_limits {
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int min_clock, max_clock;
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int min_lane_count, max_lane_count;
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int min_bpp, max_bpp;
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};
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void intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,
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struct intel_crtc_state *pipe_config,
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struct link_config_limits *limits);
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bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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bool intel_dp_port_enabled(struct drm_i915_private *dev_priv,
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i915_reg_t dp_reg, enum port port,
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enum pipe *pipe);
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bool intel_dp_init(struct drm_i915_private *dev_priv, i915_reg_t output_reg,
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enum port port);
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bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
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struct intel_connector *intel_connector);
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void intel_dp_set_link_params(struct intel_dp *intel_dp,
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int link_rate, u8 lane_count,
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bool link_mst);
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int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
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int link_rate, u8 lane_count);
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int intel_dp_retrain_link(struct intel_encoder *encoder,
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struct drm_modeset_acquire_ctx *ctx);
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void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
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void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state,
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bool enable);
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void intel_dp_encoder_reset(struct drm_encoder *encoder);
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void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
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void intel_dp_encoder_flush_work(struct drm_encoder *encoder);
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int intel_dp_compute_config(struct intel_encoder *encoder,
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struct intel_crtc_state *pipe_config,
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struct drm_connector_state *conn_state);
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bool intel_dp_is_edp(struct intel_dp *intel_dp);
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bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
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enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port,
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bool long_hpd);
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void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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void intel_edp_backlight_off(const struct drm_connector_state *conn_state);
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void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
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void intel_edp_panel_on(struct intel_dp *intel_dp);
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void intel_edp_panel_off(struct intel_dp *intel_dp);
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void intel_dp_mst_suspend(struct drm_i915_private *dev_priv);
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void intel_dp_mst_resume(struct drm_i915_private *dev_priv);
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int intel_dp_max_link_rate(struct intel_dp *intel_dp);
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int intel_dp_max_lane_count(struct intel_dp *intel_dp);
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int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);
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void intel_power_sequencer_reset(struct drm_i915_private *dev_priv);
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u32 intel_dp_pack_aux(const u8 *src, int src_bytes);
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void intel_edp_drrs_enable(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state);
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void intel_edp_drrs_disable(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state);
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void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
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unsigned int frontbuffer_bits);
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void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
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unsigned int frontbuffer_bits);
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void
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intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
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u8 dp_train_pat);
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void
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intel_dp_set_signal_levels(struct intel_dp *intel_dp);
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void intel_dp_set_idle_link_train(struct intel_dp *intel_dp);
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u8
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intel_dp_voltage_max(struct intel_dp *intel_dp);
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u8
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intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, u8 voltage_swing);
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void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
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u8 *link_bw, u8 *rate_select);
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bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp);
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bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp);
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bool
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intel_dp_get_link_status(struct intel_dp *intel_dp, u8 *link_status);
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u16 intel_dp_dsc_get_output_bpp(int link_clock, u8 lane_count,
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int mode_clock, int mode_hdisplay);
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u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp, int mode_clock,
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int mode_hdisplay);
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bool intel_dp_read_dpcd(struct intel_dp *intel_dp);
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int intel_dp_link_required(int pixel_clock, int bpp);
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int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
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bool intel_digital_port_connected(struct intel_encoder *encoder);
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void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
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struct intel_digital_port *dig_port);
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static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
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{
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return ~((1 << lane_count) - 1) & 0xf;
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}
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#endif /* __INTEL_DP_H__ */
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