xref: /linux/drivers/gpu/drm/i915/display/i9xx_wm.h (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #ifndef __I9XX_WM_H__
7 #define __I9XX_WM_H__
8 
9 #include <linux/types.h>
10 
11 struct drm_i915_private;
12 struct intel_crtc_state;
13 struct intel_plane_state;
14 
15 #ifdef I915
16 bool ilk_disable_lp_wm(struct drm_i915_private *i915);
17 void ilk_wm_sanitize(struct drm_i915_private *i915);
18 bool intel_set_memory_cxsr(struct drm_i915_private *i915, bool enable);
19 void i9xx_wm_init(struct drm_i915_private *i915);
20 #else
21 static inline bool ilk_disable_lp_wm(struct drm_i915_private *i915)
22 {
23 	return false;
24 }
25 static inline void ilk_wm_sanitize(struct drm_i915_private *i915)
26 {
27 }
28 static inline bool intel_set_memory_cxsr(struct drm_i915_private *i915, bool enable)
29 {
30 	return false;
31 }
32 static inline void i9xx_wm_init(struct drm_i915_private *i915)
33 {
34 }
35 #endif
36 
37 #endif /* __I9XX_WM_H__ */
38