xref: /linux/drivers/gpu/drm/i915/display/intel_dsb.h (revision be239684b18e1cdcafcf8c7face4a2f562c745ad)
1 /* SPDX-License-Identifier: MIT
2  *
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef _INTEL_DSB_H
7 #define _INTEL_DSB_H
8 
9 #include <linux/types.h>
10 
11 #include "i915_reg_defs.h"
12 
13 struct intel_crtc;
14 struct intel_crtc_state;
15 struct intel_dsb;
16 
17 struct intel_dsb *intel_dsb_prepare(const struct intel_crtc_state *crtc_state,
18 				    unsigned int max_cmds);
19 void intel_dsb_finish(struct intel_dsb *dsb);
20 void intel_dsb_cleanup(struct intel_dsb *dsb);
21 void intel_dsb_reg_write(struct intel_dsb *dsb,
22 			 i915_reg_t reg, u32 val);
23 void intel_dsb_reg_write_masked(struct intel_dsb *dsb,
24 				i915_reg_t reg, u32 mask, u32 val);
25 void intel_dsb_noop(struct intel_dsb *dsb, int count);
26 void intel_dsb_nonpost_start(struct intel_dsb *dsb);
27 void intel_dsb_nonpost_end(struct intel_dsb *dsb);
28 
29 void intel_dsb_commit(struct intel_dsb *dsb,
30 		      bool wait_for_vblank);
31 void intel_dsb_wait(struct intel_dsb *dsb);
32 
33 #endif
34