1 | /* SPDX-License-Identifier: MIT */ |
---|---|
2 | /* |
3 | * Copyright © 2020 Intel Corporation |
4 | */ |
5 | |
6 | #ifndef _INTEL_CRTC_H_ |
7 | #define _INTEL_CRTC_H_ |
8 | |
9 | #include <linux/types.h> |
10 | |
11 | enum i9xx_plane_id; |
12 | enum pipe; |
13 | struct drm_display_mode; |
14 | struct drm_i915_private; |
15 | struct intel_atomic_state; |
16 | struct intel_crtc; |
17 | struct intel_crtc_state; |
18 | |
19 | /* |
20 | * FIXME: We should instead only take spinlocks once for the entire update |
21 | * instead of once per mmio. |
22 | */ |
23 | #if IS_ENABLED(CONFIG_PROVE_LOCKING) |
24 | #define VBLANK_EVASION_TIME_US 250 |
25 | #else |
26 | #define VBLANK_EVASION_TIME_US 100 |
27 | #endif |
28 | |
29 | int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, |
30 | int usecs); |
31 | u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state); |
32 | int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe); |
33 | struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc); |
34 | void intel_crtc_state_reset(struct intel_crtc_state *crtc_state, |
35 | struct intel_crtc *crtc); |
36 | u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc); |
37 | void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state); |
38 | void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state); |
39 | void intel_pipe_update_start(struct intel_atomic_state *state, |
40 | struct intel_crtc *crtc); |
41 | void intel_pipe_update_end(struct intel_atomic_state *state, |
42 | struct intel_crtc *crtc); |
43 | void intel_wait_for_vblank_workers(struct intel_atomic_state *state); |
44 | struct intel_crtc *intel_first_crtc(struct drm_i915_private *i915); |
45 | struct intel_crtc *intel_crtc_for_pipe(struct drm_i915_private *i915, |
46 | enum pipe pipe); |
47 | void intel_wait_for_vblank_if_active(struct drm_i915_private *i915, |
48 | enum pipe pipe); |
49 | void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc); |
50 | |
51 | #endif |
52 |