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73900dce57
Enable the DP tunneling functionality in the xe driver. v2: Keep using IS_ENABLED() for kconfig options. (Jani) Cc: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250114122857.1050090-1-imre.deak@intel.com
133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2023 Intel Corporation
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*/
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#ifndef __INTEL_DP_TUNNEL_H__
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#define __INTEL_DP_TUNNEL_H__
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#include <linux/errno.h>
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#include <linux/types.h>
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struct drm_connector_state;
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struct drm_modeset_acquire_ctx;
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struct intel_atomic_state;
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struct intel_connector;
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struct intel_crtc;
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struct intel_crtc_state;
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struct intel_display;
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struct intel_dp;
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struct intel_encoder;
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struct intel_link_bw_limits;
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#if (IS_ENABLED(CONFIG_DRM_I915_DP_TUNNEL) && defined(I915)) || \
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(IS_ENABLED(CONFIG_DRM_XE_DP_TUNNEL) && !defined(I915))
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int intel_dp_tunnel_detect(struct intel_dp *intel_dp, struct drm_modeset_acquire_ctx *ctx);
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void intel_dp_tunnel_disconnect(struct intel_dp *intel_dp);
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void intel_dp_tunnel_destroy(struct intel_dp *intel_dp);
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void intel_dp_tunnel_resume(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state,
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bool dpcd_updated);
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void intel_dp_tunnel_suspend(struct intel_dp *intel_dp);
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bool intel_dp_tunnel_bw_alloc_is_enabled(struct intel_dp *intel_dp);
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void
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intel_dp_tunnel_atomic_cleanup_inherited_state(struct intel_atomic_state *state);
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int intel_dp_tunnel_atomic_compute_stream_bw(struct intel_atomic_state *state,
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struct intel_dp *intel_dp,
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const struct intel_connector *connector,
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struct intel_crtc_state *crtc_state);
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void intel_dp_tunnel_atomic_clear_stream_bw(struct intel_atomic_state *state,
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struct intel_crtc_state *crtc_state);
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int intel_dp_tunnel_atomic_add_state_for_crtc(struct intel_atomic_state *state,
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struct intel_crtc *crtc);
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int intel_dp_tunnel_atomic_check_link(struct intel_atomic_state *state,
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struct intel_link_bw_limits *limits);
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int intel_dp_tunnel_atomic_check_state(struct intel_atomic_state *state,
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struct intel_dp *intel_dp,
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struct intel_connector *connector);
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void intel_dp_tunnel_atomic_alloc_bw(struct intel_atomic_state *state);
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int intel_dp_tunnel_mgr_init(struct intel_display *display);
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void intel_dp_tunnel_mgr_cleanup(struct intel_display *display);
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#else
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static inline int
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intel_dp_tunnel_detect(struct intel_dp *intel_dp, struct drm_modeset_acquire_ctx *ctx)
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{
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return -EOPNOTSUPP;
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}
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static inline void intel_dp_tunnel_disconnect(struct intel_dp *intel_dp) {}
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static inline void intel_dp_tunnel_destroy(struct intel_dp *intel_dp) {}
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static inline void intel_dp_tunnel_resume(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state,
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bool dpcd_updated) {}
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static inline void intel_dp_tunnel_suspend(struct intel_dp *intel_dp) {}
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static inline bool intel_dp_tunnel_bw_alloc_is_enabled(struct intel_dp *intel_dp)
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{
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return false;
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}
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static inline void
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intel_dp_tunnel_atomic_cleanup_inherited_state(struct intel_atomic_state *state) {}
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static inline int
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intel_dp_tunnel_atomic_compute_stream_bw(struct intel_atomic_state *state,
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struct intel_dp *intel_dp,
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const struct intel_connector *connector,
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struct intel_crtc_state *crtc_state)
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{
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return 0;
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}
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static inline void
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intel_dp_tunnel_atomic_clear_stream_bw(struct intel_atomic_state *state,
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struct intel_crtc_state *crtc_state) {}
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static inline int
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intel_dp_tunnel_atomic_add_state_for_crtc(struct intel_atomic_state *state,
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struct intel_crtc *crtc)
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{
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return 0;
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}
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static inline int
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intel_dp_tunnel_atomic_check_link(struct intel_atomic_state *state,
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struct intel_link_bw_limits *limits)
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{
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return 0;
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}
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static inline int
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intel_dp_tunnel_atomic_check_state(struct intel_atomic_state *state,
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struct intel_dp *intel_dp,
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struct intel_connector *connector)
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{
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return 0;
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}
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static inline int
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intel_dp_tunnel_atomic_alloc_bw(struct intel_atomic_state *state)
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{
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return 0;
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}
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static inline int
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intel_dp_tunnel_mgr_init(struct intel_display *display)
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{
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return 0;
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}
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static inline void intel_dp_tunnel_mgr_cleanup(struct intel_display *display) {}
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#endif /* CONFIG_DRM_I915_DP_TUNNEL || CONFIG_DRM_XE_DP_TUNNEL */
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#endif /* __INTEL_DP_TUNNEL_H__ */
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