1/*
2 * Copyright 2012-20 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25
26#include "dm_services.h"
27#include "dce_calcs.h"
28#include "reg_helper.h"
29#include "basics/conversion.h"
30#include "dcn31_hubp.h"
31
32#define REG(reg)\
33 hubp2->hubp_regs->reg
34
35#define CTX \
36 hubp2->base.ctx
37
38#undef FN
39#define FN(reg_name, field_name) \
40 hubp2->hubp_shift->field_name, hubp2->hubp_mask->field_name
41
42void hubp31_set_unbounded_requesting(struct hubp *hubp, bool enable)
43{
44 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
45
46 REG_UPDATE(DCHUBP_CNTL, HUBP_UNBOUNDED_REQ_MODE, enable);
47 REG_UPDATE(CURSOR_CONTROL, CURSOR_REQ_MODE, enable);
48}
49
50void hubp31_soft_reset(struct hubp *hubp, bool reset)
51{
52 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
53
54 REG_UPDATE(DCHUBP_CNTL, HUBP_SOFT_RESET, reset);
55}
56
57static void hubp31_program_extended_blank(struct hubp *hubp,
58 unsigned int min_dst_y_next_start_optimized)
59{
60 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
61
62 REG_UPDATE(BLANK_OFFSET_1, MIN_DST_Y_NEXT_START, min_dst_y_next_start_optimized);
63}
64
65void hubp31_program_extended_blank_value(
66 struct hubp *hubp, unsigned int min_dst_y_next_start_optimized)
67{
68 hubp31_program_extended_blank(hubp, min_dst_y_next_start_optimized);
69}
70
71static struct hubp_funcs dcn31_hubp_funcs = {
72 .hubp_enable_tripleBuffer = hubp2_enable_triplebuffer,
73 .hubp_is_triplebuffer_enabled = hubp2_is_triplebuffer_enabled,
74 .hubp_program_surface_flip_and_addr = hubp3_program_surface_flip_and_addr,
75 .hubp_program_surface_config = hubp3_program_surface_config,
76 .hubp_is_flip_pending = hubp2_is_flip_pending,
77 .hubp_setup = hubp3_setup,
78 .hubp_setup_interdependent = hubp2_setup_interdependent,
79 .hubp_set_vm_system_aperture_settings = hubp3_set_vm_system_aperture_settings,
80 .set_blank = hubp2_set_blank,
81 .dcc_control = hubp3_dcc_control,
82 .mem_program_viewport = min_set_viewport,
83 .set_cursor_attributes = hubp2_cursor_set_attributes,
84 .set_cursor_position = hubp2_cursor_set_position,
85 .hubp_clk_cntl = hubp2_clk_cntl,
86 .hubp_vtg_sel = hubp2_vtg_sel,
87 .dmdata_set_attributes = hubp3_dmdata_set_attributes,
88 .dmdata_load = hubp2_dmdata_load,
89 .dmdata_status_done = hubp2_dmdata_status_done,
90 .hubp_read_state = hubp3_read_state,
91 .hubp_clear_underflow = hubp2_clear_underflow,
92 .hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl,
93 .hubp_init = hubp3_init,
94 .set_unbounded_requesting = hubp31_set_unbounded_requesting,
95 .hubp_soft_reset = hubp31_soft_reset,
96 .hubp_set_flip_int = hubp1_set_flip_int,
97 .hubp_in_blank = hubp1_in_blank,
98 .program_extended_blank = hubp31_program_extended_blank,
99};
100
101bool hubp31_construct(
102 struct dcn20_hubp *hubp2,
103 struct dc_context *ctx,
104 uint32_t inst,
105 const struct dcn_hubp2_registers *hubp_regs,
106 const struct dcn_hubp2_shift *hubp_shift,
107 const struct dcn_hubp2_mask *hubp_mask)
108{
109 hubp2->base.funcs = &dcn31_hubp_funcs;
110 hubp2->base.ctx = ctx;
111 hubp2->hubp_regs = hubp_regs;
112 hubp2->hubp_shift = hubp_shift;
113 hubp2->hubp_mask = hubp_mask;
114 hubp2->base.inst = inst;
115 hubp2->base.opp_id = OPP_ID_INVALID;
116 hubp2->base.mpcc_id = 0xf;
117
118 return true;
119}
120

source code of linux/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubp.c