drm/amd/display: Implement bounds check for stream encoder creation in DCN301
[platform/kernel/linux-starfive.git] / drivers / gpu / drm / amd / display / dc / dcn301 / dcn301_hubbub.c
1 /*
2 * Copyright 2020 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 #include "dm_services.h"
26 #include "dcn301_hubbub.h"
27 #include "reg_helper.h"
28
29 #define REG(reg)\
30         hubbub1->regs->reg
31 #define DC_LOGGER \
32         hubbub1->base.ctx->logger
33 #define CTX \
34         hubbub1->base.ctx
35
36 #undef FN
37 #define FN(reg_name, field_name) \
38         hubbub1->shifts->field_name, hubbub1->masks->field_name
39
40 #define REG(reg)\
41         hubbub1->regs->reg
42
43 #define CTX \
44         hubbub1->base.ctx
45
46 #undef FN
47 #define FN(reg_name, field_name) \
48         hubbub1->shifts->field_name, hubbub1->masks->field_name
49
50
51 static const struct hubbub_funcs hubbub301_funcs = {
52         .update_dchub = hubbub2_update_dchub,
53         .init_dchub_sys_ctx = hubbub21_init_dchub,
54         .init_vm_ctx = hubbub2_init_vm_ctx,
55         .dcc_support_swizzle = hubbub3_dcc_support_swizzle,
56         .dcc_support_pixel_format = hubbub2_dcc_support_pixel_format,
57         .get_dcc_compression_cap = hubbub3_get_dcc_compression_cap,
58         .wm_read_state = hubbub21_wm_read_state,
59         .get_dchub_ref_freq = hubbub2_get_dchub_ref_freq,
60         .program_watermarks = hubbub3_program_watermarks,
61         .allow_self_refresh_control = hubbub1_allow_self_refresh_control,
62         .is_allow_self_refresh_enabled = hubbub1_is_allow_self_refresh_enabled,
63         .verify_allow_pstate_change_high = hubbub1_verify_allow_pstate_change_high,
64         .force_wm_propagate_to_pipes = hubbub3_force_wm_propagate_to_pipes,
65         .force_pstate_change_control = hubbub3_force_pstate_change_control,
66         .hubbub_read_state = hubbub2_read_state,
67 };
68
69 void hubbub301_construct(struct dcn20_hubbub *hubbub3,
70         struct dc_context *ctx,
71         const struct dcn_hubbub_registers *hubbub_regs,
72         const struct dcn_hubbub_shift *hubbub_shift,
73         const struct dcn_hubbub_mask *hubbub_mask)
74 {
75         hubbub3->base.ctx = ctx;
76         hubbub3->base.funcs = &hubbub301_funcs;
77         hubbub3->regs = hubbub_regs;
78         hubbub3->shifts = hubbub_shift;
79         hubbub3->masks = hubbub_mask;
80
81         hubbub3->debug_test_index_pstate = 0xB;
82         hubbub3->detile_buf_size = 184 * 1024; /* 184KB for DCN3 */
83 }