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Linux 6.14-rc3
[linux.git] / drivers / gpu / drm / i915 / display / g4x_dp.h
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2020 Intel Corporation
4  */
5
6 #ifndef _G4X_DP_H_
7 #define _G4X_DP_H_
8
9 #include <linux/types.h>
10
11 #include "i915_reg_defs.h"
12
13 enum pipe;
14 enum port;
15 struct drm_i915_private;
16 struct intel_crtc_state;
17 struct intel_dp;
18 struct intel_encoder;
19
20 #ifdef I915
21 const struct dpll *vlv_get_dpll(struct drm_i915_private *i915);
22 bool g4x_dp_port_enabled(struct drm_i915_private *dev_priv,
23                          i915_reg_t dp_reg, enum port port,
24                          enum pipe *pipe);
25 bool g4x_dp_init(struct drm_i915_private *dev_priv,
26                  i915_reg_t output_reg, enum port port);
27 #else
28 static inline const struct dpll *vlv_get_dpll(struct drm_i915_private *i915)
29 {
30         return NULL;
31 }
32 static inline bool g4x_dp_port_enabled(struct drm_i915_private *dev_priv,
33                                        i915_reg_t dp_reg, int port,
34                                        enum pipe *pipe)
35 {
36         return false;
37 }
38 static inline bool g4x_dp_init(struct drm_i915_private *dev_priv,
39                                i915_reg_t output_reg, int port)
40 {
41         return false;
42 }
43 #endif
44
45 #endif
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