1 /*
2 * Copyright 2015 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 "dc.h"
27 #include "core_types.h"
28 #include "hw_sequencer.h"
29 #include "dce100_hw_sequencer.h"
30 #include "resource.h"
31
32 #include "dce110/dce110_hw_sequencer.h"
33
34 /* include DCE10 register header files */
35 #include "dce/dce_10_0_d.h"
36 #include "dce/dce_10_0_sh_mask.h"
37
38 struct dce100_hw_seq_reg_offsets {
39 uint32_t blnd;
40 uint32_t crtc;
41 };
42
43 static const struct dce100_hw_seq_reg_offsets reg_offsets[] = {
44 {
45 .crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
46 },
47 {
48 .crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
49 },
50 {
51 .crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
52 },
53 {
54 .crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
55 },
56 {
57 .crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
58 },
59 {
60 .crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
61 }
62 };
63
64 #define HW_REG_CRTC(reg, id)\
65 (reg + reg_offsets[id].crtc)
66
67 /*******************************************************************************
68 * Private definitions
69 ******************************************************************************/
70 /***************************PIPE_CONTROL***********************************/
71
dce100_enable_display_power_gating(struct dc * dc,uint8_t controller_id,struct dc_bios * dcb,enum pipe_gating_control power_gating)72 bool dce100_enable_display_power_gating(
73 struct dc *dc,
74 uint8_t controller_id,
75 struct dc_bios *dcb,
76 enum pipe_gating_control power_gating)
77 {
78 enum bp_result bp_result = BP_RESULT_OK;
79 enum bp_pipe_control_action cntl;
80 struct dc_context *ctx = dc->ctx;
81
82 if (power_gating == PIPE_GATING_CONTROL_INIT)
83 cntl = ASIC_PIPE_INIT;
84 else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
85 cntl = ASIC_PIPE_ENABLE;
86 else
87 cntl = ASIC_PIPE_DISABLE;
88
89 if (!(power_gating == PIPE_GATING_CONTROL_INIT && controller_id != 0)){
90
91 bp_result = dcb->funcs->enable_disp_power_gating(
92 dcb, controller_id + 1, cntl);
93
94 /* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
95 * by default when command table is called
96 */
97 dm_write_reg(ctx,
98 HW_REG_CRTC(mmMASTER_UPDATE_MODE, controller_id),
99 0);
100 }
101
102 if (bp_result == BP_RESULT_OK)
103 return true;
104 else
105 return false;
106 }
107
dce100_pplib_apply_display_requirements(struct dc * dc,struct dc_state * context)108 static void dce100_pplib_apply_display_requirements(
109 struct dc *dc,
110 struct dc_state *context)
111 {
112 struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg;
113
114 pp_display_cfg->avail_mclk_switch_time_us =
115 dce110_get_min_vblank_time_us(context);
116 /*pp_display_cfg->min_memory_clock_khz = context->bw.dce.yclk_khz
117 / MEMORY_TYPE_MULTIPLIER;*/
118
119 dce110_fill_display_configs(context, pp_display_cfg);
120
121 if (memcmp(&dc->prev_display_config, pp_display_cfg, sizeof(
122 struct dm_pp_display_configuration)) != 0)
123 dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg);
124
125 dc->prev_display_config = *pp_display_cfg;
126 }
127
128 /* unit: in_khz before mode set, get pixel clock from context. ASIC register
129 * may not be programmed yet
130 */
get_max_pixel_clock_for_all_paths(struct dc * dc,struct dc_state * context)131 static uint32_t get_max_pixel_clock_for_all_paths(
132 struct dc *dc,
133 struct dc_state *context)
134 {
135 uint32_t max_pix_clk = 0;
136 int i;
137
138 for (i = 0; i < MAX_PIPES; i++) {
139 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
140
141 if (pipe_ctx->stream == NULL)
142 continue;
143
144 /* do not check under lay */
145 if (pipe_ctx->top_pipe)
146 continue;
147
148 if (pipe_ctx->stream_res.pix_clk_params.requested_pix_clk > max_pix_clk)
149 max_pix_clk =
150 pipe_ctx->stream_res.pix_clk_params.requested_pix_clk;
151 }
152 return max_pix_clk;
153 }
154
dce100_set_bandwidth(struct dc * dc,struct dc_state * context,bool decrease_allowed)155 void dce100_set_bandwidth(
156 struct dc *dc,
157 struct dc_state *context,
158 bool decrease_allowed)
159 {
160 struct dc_clocks req_clks;
161
162 req_clks.dispclk_khz = context->bw.dce.dispclk_khz * 115 / 100;
163 req_clks.phyclk_khz = get_max_pixel_clock_for_all_paths(dc, context);
164
165 dce110_set_safe_displaymarks(&context->res_ctx, dc->res_pool);
166
167 dc->res_pool->dccg->funcs->update_clocks(
168 dc->res_pool->dccg,
169 &req_clks,
170 decrease_allowed);
171
172 dce100_pplib_apply_display_requirements(dc, context);
173 }
174
175
176 /**************************************************************************/
177
dce100_hw_sequencer_construct(struct dc * dc)178 void dce100_hw_sequencer_construct(struct dc *dc)
179 {
180 dce110_hw_sequencer_construct(dc);
181
182 dc->hwss.enable_display_power_gating = dce100_enable_display_power_gating;
183 dc->hwss.set_bandwidth = dce100_set_bandwidth;
184 dc->hwss.pplib_apply_display_requirements =
185 dce100_pplib_apply_display_requirements;
186 }
187
188