a23299bb9a
Using standard -EAGAIN should be perfectly fine instead of using a special case value. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210930093229.28598-1-jani.nikula@intel.com
40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Intel Corporation
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*/
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#ifndef _INTEL_FDI_H_
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#define _INTEL_FDI_H_
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enum pipe;
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struct drm_i915_private;
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struct intel_crtc;
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struct intel_crtc_state;
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struct intel_encoder;
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int intel_fdi_link_freq(struct drm_i915_private *i915,
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const struct intel_crtc_state *pipe_config);
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int ilk_fdi_compute_config(struct intel_crtc *intel_crtc,
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struct intel_crtc_state *pipe_config);
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void intel_fdi_normal_train(struct intel_crtc *crtc);
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void ilk_fdi_disable(struct intel_crtc *crtc);
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void ilk_fdi_pll_disable(struct intel_crtc *intel_crtc);
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void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state);
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void intel_fdi_init_hook(struct drm_i915_private *dev_priv);
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void hsw_fdi_link_train(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state);
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void intel_fdi_pll_freq_update(struct drm_i915_private *i915);
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void lpt_fdi_program_mphy(struct drm_i915_private *i915);
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void intel_fdi_link_train(struct intel_crtc *crtc,
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const struct intel_crtc_state *crtc_state);
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void assert_fdi_tx_enabled(struct drm_i915_private *i915, enum pipe pipe);
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void assert_fdi_tx_disabled(struct drm_i915_private *i915, enum pipe pipe);
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void assert_fdi_rx_enabled(struct drm_i915_private *i915, enum pipe pipe);
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void assert_fdi_rx_disabled(struct drm_i915_private *i915, enum pipe pipe);
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void assert_fdi_tx_pll_enabled(struct drm_i915_private *i915, enum pipe pipe);
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void assert_fdi_rx_pll_enabled(struct drm_i915_private *i915, enum pipe pipe);
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void assert_fdi_rx_pll_disabled(struct drm_i915_private *i915, enum pipe pipe);
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#endif
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