Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 1 | /* |
Narender Ankam | 1afbd17 | 2020-03-16 17:27:44 +0530 | [diff] [blame^] | 2 | * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved. |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #define pr_fmt(fmt) "[drm-dp]: %s: " fmt, __func__ |
| 16 | |
| 17 | #include <drm/drm_atomic_helper.h> |
| 18 | #include <drm/drm_atomic.h> |
| 19 | #include <drm/drm_crtc.h> |
| 20 | |
| 21 | #include "msm_drv.h" |
| 22 | #include "msm_kms.h" |
| 23 | #include "sde_connector.h" |
| 24 | #include "dp_drm.h" |
Samantha Tran | 2d1ed73 | 2017-07-31 17:30:14 -0700 | [diff] [blame] | 25 | #include "dp_debug.h" |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 26 | |
| 27 | #define to_dp_bridge(x) container_of((x), struct dp_bridge, base) |
| 28 | |
Narender Ankam | 1afbd17 | 2020-03-16 17:27:44 +0530 | [diff] [blame^] | 29 | enum dp_connector_hdr_state { |
| 30 | HDR_DISABLE, |
| 31 | HDR_ENABLE |
| 32 | }; |
| 33 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 34 | static void convert_to_dp_mode(const struct drm_display_mode *drm_mode, |
Padmanabhan Komanduru | d0ed9c4 | 2017-05-23 02:56:08 -0700 | [diff] [blame] | 35 | struct dp_display_mode *dp_mode, struct dp_display *dp) |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 36 | { |
| 37 | memset(dp_mode, 0, sizeof(*dp_mode)); |
| 38 | |
| 39 | dp_mode->timing.h_active = drm_mode->hdisplay; |
| 40 | dp_mode->timing.h_back_porch = drm_mode->htotal - drm_mode->hsync_end; |
| 41 | dp_mode->timing.h_sync_width = drm_mode->htotal - |
| 42 | (drm_mode->hsync_start + dp_mode->timing.h_back_porch); |
| 43 | dp_mode->timing.h_front_porch = drm_mode->hsync_start - |
| 44 | drm_mode->hdisplay; |
| 45 | dp_mode->timing.h_skew = drm_mode->hskew; |
| 46 | |
| 47 | dp_mode->timing.v_active = drm_mode->vdisplay; |
| 48 | dp_mode->timing.v_back_porch = drm_mode->vtotal - drm_mode->vsync_end; |
| 49 | dp_mode->timing.v_sync_width = drm_mode->vtotal - |
| 50 | (drm_mode->vsync_start + dp_mode->timing.v_back_porch); |
| 51 | |
| 52 | dp_mode->timing.v_front_porch = drm_mode->vsync_start - |
| 53 | drm_mode->vdisplay; |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 54 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 55 | dp_mode->timing.refresh_rate = drm_mode->vrefresh; |
| 56 | |
| 57 | dp_mode->timing.pixel_clk_khz = drm_mode->clock; |
| 58 | |
| 59 | dp_mode->timing.v_active_low = |
| 60 | !!(drm_mode->flags & DRM_MODE_FLAG_NVSYNC); |
| 61 | |
| 62 | dp_mode->timing.h_active_low = |
| 63 | !!(drm_mode->flags & DRM_MODE_FLAG_NHSYNC); |
| 64 | } |
| 65 | |
| 66 | static void convert_to_drm_mode(const struct dp_display_mode *dp_mode, |
| 67 | struct drm_display_mode *drm_mode) |
| 68 | { |
| 69 | u32 flags = 0; |
| 70 | |
| 71 | memset(drm_mode, 0, sizeof(*drm_mode)); |
| 72 | |
| 73 | drm_mode->hdisplay = dp_mode->timing.h_active; |
| 74 | drm_mode->hsync_start = drm_mode->hdisplay + |
| 75 | dp_mode->timing.h_front_porch; |
| 76 | drm_mode->hsync_end = drm_mode->hsync_start + |
| 77 | dp_mode->timing.h_sync_width; |
| 78 | drm_mode->htotal = drm_mode->hsync_end + dp_mode->timing.h_back_porch; |
| 79 | drm_mode->hskew = dp_mode->timing.h_skew; |
| 80 | |
| 81 | drm_mode->vdisplay = dp_mode->timing.v_active; |
| 82 | drm_mode->vsync_start = drm_mode->vdisplay + |
| 83 | dp_mode->timing.v_front_porch; |
| 84 | drm_mode->vsync_end = drm_mode->vsync_start + |
| 85 | dp_mode->timing.v_sync_width; |
| 86 | drm_mode->vtotal = drm_mode->vsync_end + dp_mode->timing.v_back_porch; |
| 87 | |
| 88 | drm_mode->vrefresh = dp_mode->timing.refresh_rate; |
| 89 | drm_mode->clock = dp_mode->timing.pixel_clk_khz; |
| 90 | |
| 91 | if (dp_mode->timing.h_active_low) |
| 92 | flags |= DRM_MODE_FLAG_NHSYNC; |
| 93 | else |
| 94 | flags |= DRM_MODE_FLAG_PHSYNC; |
| 95 | |
| 96 | if (dp_mode->timing.v_active_low) |
| 97 | flags |= DRM_MODE_FLAG_NVSYNC; |
| 98 | else |
| 99 | flags |= DRM_MODE_FLAG_PVSYNC; |
| 100 | |
| 101 | drm_mode->flags = flags; |
| 102 | |
| 103 | drm_mode->type = 0x48; |
| 104 | drm_mode_set_name(drm_mode); |
| 105 | } |
| 106 | |
| 107 | static int dp_bridge_attach(struct drm_bridge *dp_bridge) |
| 108 | { |
| 109 | struct dp_bridge *bridge = to_dp_bridge(dp_bridge); |
| 110 | |
| 111 | if (!dp_bridge) { |
| 112 | pr_err("Invalid params\n"); |
| 113 | return -EINVAL; |
| 114 | } |
| 115 | |
| 116 | pr_debug("[%d] attached\n", bridge->id); |
| 117 | |
| 118 | return 0; |
| 119 | } |
| 120 | |
| 121 | static void dp_bridge_pre_enable(struct drm_bridge *drm_bridge) |
| 122 | { |
| 123 | int rc = 0; |
| 124 | struct dp_bridge *bridge; |
| 125 | struct dp_display *dp; |
| 126 | |
| 127 | if (!drm_bridge) { |
| 128 | pr_err("Invalid params\n"); |
| 129 | return; |
| 130 | } |
| 131 | |
| 132 | bridge = to_dp_bridge(drm_bridge); |
| 133 | dp = bridge->display; |
| 134 | |
| 135 | /* By this point mode should have been validated through mode_fixup */ |
| 136 | rc = dp->set_mode(dp, &bridge->dp_mode); |
| 137 | if (rc) { |
| 138 | pr_err("[%d] failed to perform a mode set, rc=%d\n", |
| 139 | bridge->id, rc); |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | rc = dp->prepare(dp); |
| 144 | if (rc) { |
| 145 | pr_err("[%d] DP display prepare failed, rc=%d\n", |
| 146 | bridge->id, rc); |
| 147 | return; |
| 148 | } |
| 149 | |
| 150 | rc = dp->enable(dp); |
| 151 | if (rc) { |
| 152 | pr_err("[%d] DP display enable failed, rc=%d\n", |
| 153 | bridge->id, rc); |
| 154 | dp->unprepare(dp); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | static void dp_bridge_enable(struct drm_bridge *drm_bridge) |
| 159 | { |
| 160 | int rc = 0; |
| 161 | struct dp_bridge *bridge; |
| 162 | struct dp_display *dp; |
| 163 | |
| 164 | if (!drm_bridge) { |
| 165 | pr_err("Invalid params\n"); |
| 166 | return; |
| 167 | } |
| 168 | |
| 169 | bridge = to_dp_bridge(drm_bridge); |
| 170 | dp = bridge->display; |
| 171 | |
| 172 | rc = dp->post_enable(dp); |
| 173 | if (rc) |
| 174 | pr_err("[%d] DP display post enable failed, rc=%d\n", |
| 175 | bridge->id, rc); |
| 176 | } |
| 177 | |
| 178 | static void dp_bridge_disable(struct drm_bridge *drm_bridge) |
| 179 | { |
| 180 | int rc = 0; |
| 181 | struct dp_bridge *bridge; |
| 182 | struct dp_display *dp; |
| 183 | |
| 184 | if (!drm_bridge) { |
| 185 | pr_err("Invalid params\n"); |
| 186 | return; |
| 187 | } |
| 188 | |
| 189 | bridge = to_dp_bridge(drm_bridge); |
| 190 | dp = bridge->display; |
| 191 | |
Jayant Shekhar | 67ad2a9 | 2018-03-01 11:32:23 +0530 | [diff] [blame] | 192 | if (!dp) { |
| 193 | pr_err("dp is null\n"); |
| 194 | return; |
| 195 | } |
| 196 | |
| 197 | if (dp->connector) |
Clarence Ip | 458a5d0 | 2017-11-27 18:15:16 -0500 | [diff] [blame] | 198 | sde_connector_helper_bridge_disable(dp->connector); |
| 199 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 200 | rc = dp->pre_disable(dp); |
| 201 | if (rc) { |
| 202 | pr_err("[%d] DP display pre disable failed, rc=%d\n", |
| 203 | bridge->id, rc); |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | static void dp_bridge_post_disable(struct drm_bridge *drm_bridge) |
| 208 | { |
| 209 | int rc = 0; |
| 210 | struct dp_bridge *bridge; |
| 211 | struct dp_display *dp; |
| 212 | |
| 213 | if (!drm_bridge) { |
| 214 | pr_err("Invalid params\n"); |
| 215 | return; |
| 216 | } |
| 217 | |
| 218 | bridge = to_dp_bridge(drm_bridge); |
| 219 | dp = bridge->display; |
| 220 | |
| 221 | rc = dp->disable(dp); |
| 222 | if (rc) { |
| 223 | pr_err("[%d] DP display disable failed, rc=%d\n", |
| 224 | bridge->id, rc); |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | rc = dp->unprepare(dp); |
| 229 | if (rc) { |
| 230 | pr_err("[%d] DP display unprepare failed, rc=%d\n", |
| 231 | bridge->id, rc); |
| 232 | return; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | static void dp_bridge_mode_set(struct drm_bridge *drm_bridge, |
| 237 | struct drm_display_mode *mode, |
| 238 | struct drm_display_mode *adjusted_mode) |
| 239 | { |
| 240 | struct dp_bridge *bridge; |
| 241 | struct dp_display *dp; |
| 242 | |
| 243 | if (!drm_bridge || !mode || !adjusted_mode) { |
| 244 | pr_err("Invalid params\n"); |
| 245 | return; |
| 246 | } |
| 247 | |
| 248 | bridge = to_dp_bridge(drm_bridge); |
| 249 | dp = bridge->display; |
| 250 | |
| 251 | memset(&bridge->dp_mode, 0x0, sizeof(struct dp_display_mode)); |
Padmanabhan Komanduru | d0ed9c4 | 2017-05-23 02:56:08 -0700 | [diff] [blame] | 252 | convert_to_dp_mode(adjusted_mode, &bridge->dp_mode, dp); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | static bool dp_bridge_mode_fixup(struct drm_bridge *drm_bridge, |
| 256 | const struct drm_display_mode *mode, |
| 257 | struct drm_display_mode *adjusted_mode) |
| 258 | { |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 259 | bool ret = true; |
| 260 | struct dp_display_mode dp_mode; |
| 261 | struct dp_bridge *bridge; |
| 262 | struct dp_display *dp; |
| 263 | |
| 264 | if (!drm_bridge || !mode || !adjusted_mode) { |
| 265 | pr_err("Invalid params\n"); |
| 266 | ret = false; |
| 267 | goto end; |
| 268 | } |
| 269 | |
| 270 | bridge = to_dp_bridge(drm_bridge); |
| 271 | dp = bridge->display; |
| 272 | |
Padmanabhan Komanduru | d0ed9c4 | 2017-05-23 02:56:08 -0700 | [diff] [blame] | 273 | convert_to_dp_mode(mode, &dp_mode, dp); |
Tatenda Chipeperekwa | 8a44bd9 | 2017-10-05 16:32:06 -0700 | [diff] [blame] | 274 | convert_to_drm_mode(&dp_mode, adjusted_mode); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 275 | end: |
| 276 | return ret; |
| 277 | } |
| 278 | |
| 279 | static const struct drm_bridge_funcs dp_bridge_ops = { |
| 280 | .attach = dp_bridge_attach, |
| 281 | .mode_fixup = dp_bridge_mode_fixup, |
| 282 | .pre_enable = dp_bridge_pre_enable, |
| 283 | .enable = dp_bridge_enable, |
| 284 | .disable = dp_bridge_disable, |
| 285 | .post_disable = dp_bridge_post_disable, |
| 286 | .mode_set = dp_bridge_mode_set, |
| 287 | }; |
| 288 | |
Ajay Singh Parmar | 87af50b | 2017-12-22 22:22:55 -0800 | [diff] [blame] | 289 | int dp_connector_config_hdr(void *display, |
| 290 | struct sde_connector_state *c_state) |
Ajay Singh Parmar | 9c842d4 | 2017-09-21 13:02:05 -0700 | [diff] [blame] | 291 | { |
| 292 | struct dp_display *dp = display; |
| 293 | |
Ajay Singh Parmar | 87af50b | 2017-12-22 22:22:55 -0800 | [diff] [blame] | 294 | if (!display || !c_state) { |
Ajay Singh Parmar | 9c842d4 | 2017-09-21 13:02:05 -0700 | [diff] [blame] | 295 | pr_err("invalid params\n"); |
| 296 | return -EINVAL; |
| 297 | } |
| 298 | |
Ajay Singh Parmar | 87af50b | 2017-12-22 22:22:55 -0800 | [diff] [blame] | 299 | return dp->config_hdr(dp, &c_state->hdr_meta); |
Ajay Singh Parmar | 9c842d4 | 2017-09-21 13:02:05 -0700 | [diff] [blame] | 300 | } |
| 301 | |
Alan Kwong | 769fba9 | 2017-11-13 16:50:36 -0500 | [diff] [blame] | 302 | int dp_connector_post_init(struct drm_connector *connector, void *display) |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 303 | { |
| 304 | struct dp_display *dp_display = display; |
| 305 | |
Alan Kwong | 769fba9 | 2017-11-13 16:50:36 -0500 | [diff] [blame] | 306 | if (!dp_display) |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 307 | return -EINVAL; |
| 308 | |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 309 | dp_display->connector = connector; |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 310 | |
| 311 | if (dp_display->post_init) |
| 312 | dp_display->post_init(dp_display); |
| 313 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 314 | return 0; |
| 315 | } |
| 316 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 317 | int dp_connector_get_mode_info(const struct drm_display_mode *drm_mode, |
Alan Kwong | b1bca60 | 2017-09-18 17:28:45 -0400 | [diff] [blame] | 318 | struct msm_mode_info *mode_info, u32 max_mixer_width, void *display) |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 319 | { |
| 320 | const u32 dual_lm = 2; |
| 321 | const u32 single_lm = 1; |
| 322 | const u32 single_intf = 1; |
| 323 | const u32 no_enc = 0; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 324 | struct msm_display_topology *topology; |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 325 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 326 | if (!drm_mode || !mode_info || !max_mixer_width) { |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 327 | pr_err("invalid params\n"); |
| 328 | return -EINVAL; |
| 329 | } |
| 330 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 331 | topology = &mode_info->topology; |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 332 | topology->num_lm = (max_mixer_width <= drm_mode->hdisplay) ? |
| 333 | dual_lm : single_lm; |
| 334 | topology->num_enc = no_enc; |
| 335 | topology->num_intf = single_intf; |
| 336 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 337 | mode_info->frame_rate = drm_mode->vrefresh; |
| 338 | mode_info->vtotal = drm_mode->vtotal; |
| 339 | mode_info->comp_info.comp_type = MSM_DISPLAY_COMPRESSION_NONE; |
| 340 | |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 341 | return 0; |
| 342 | } |
| 343 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 344 | int dp_connector_get_info(struct msm_display_info *info, void *data) |
| 345 | { |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 346 | struct dp_display *display = data; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 347 | |
| 348 | if (!info || !display) { |
| 349 | pr_err("invalid params\n"); |
| 350 | return -EINVAL; |
| 351 | } |
| 352 | |
| 353 | info->intf_type = DRM_MODE_CONNECTOR_DisplayPort; |
| 354 | |
| 355 | info->num_of_h_tiles = 1; |
| 356 | info->h_tile_instance[0] = 0; |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 357 | info->is_connected = display->is_connected; |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 358 | info->capabilities = MSM_DISPLAY_CAP_VID_MODE | MSM_DISPLAY_CAP_EDID | |
| 359 | MSM_DISPLAY_CAP_HOT_PLUG; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 360 | |
| 361 | return 0; |
| 362 | } |
| 363 | |
Chirag Khurana | ce2aa51 | 2019-11-20 18:27:03 +0530 | [diff] [blame] | 364 | bool dp_connector_mode_needs_full_range(void *data) |
| 365 | { |
| 366 | struct dp_display *display = data; |
| 367 | struct dp_bridge *bridge; |
| 368 | struct dp_display_mode *mode; |
| 369 | struct dp_panel_info *timing; |
| 370 | |
| 371 | if (!display) { |
| 372 | pr_err("invalid input\n"); |
| 373 | return false; |
| 374 | } |
| 375 | |
| 376 | bridge = display->bridge; |
| 377 | if (!bridge) { |
| 378 | pr_err("invalid bridge data\n"); |
| 379 | return false; |
| 380 | } |
| 381 | |
| 382 | mode = &bridge->dp_mode; |
| 383 | timing = &mode->timing; |
| 384 | |
| 385 | if (timing->h_active == 640 && |
| 386 | timing->v_active == 480) |
| 387 | return true; |
| 388 | |
| 389 | return false; |
| 390 | } |
| 391 | |
Narender Ankam | 1afbd17 | 2020-03-16 17:27:44 +0530 | [diff] [blame^] | 392 | enum sde_csc_type dp_connector_get_csc_type(struct drm_connector *conn, |
| 393 | void *data) |
| 394 | { |
| 395 | struct dp_display *display = data; |
| 396 | struct sde_connector_state *c_state; |
| 397 | struct drm_msm_ext_hdr_metadata *hdr_meta; |
| 398 | |
| 399 | if (!display || !conn) { |
| 400 | pr_err("invalid input\n"); |
| 401 | goto error; |
| 402 | } |
| 403 | |
| 404 | c_state = to_sde_connector_state(conn->state); |
| 405 | |
| 406 | if (!c_state) { |
| 407 | pr_err("invalid input\n"); |
| 408 | goto error; |
| 409 | } |
| 410 | |
| 411 | hdr_meta = &c_state->hdr_meta; |
| 412 | |
| 413 | if ((hdr_meta->hdr_state == HDR_ENABLE) |
| 414 | && (hdr_meta->eotf != 0)) |
| 415 | return SDE_CSC_RGB2YUV_2020L; |
| 416 | else if (dp_connector_mode_needs_full_range(data) |
| 417 | || conn->yuv_qs) |
| 418 | return SDE_CSC_RGB2YUV_601FR; |
| 419 | |
| 420 | error: |
| 421 | return SDE_CSC_RGB2YUV_601L; |
| 422 | } |
| 423 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 424 | enum drm_connector_status dp_connector_detect(struct drm_connector *conn, |
| 425 | bool force, |
| 426 | void *display) |
| 427 | { |
| 428 | enum drm_connector_status status = connector_status_unknown; |
| 429 | struct msm_display_info info; |
| 430 | int rc; |
| 431 | |
| 432 | if (!conn || !display) |
| 433 | return status; |
| 434 | |
| 435 | /* get display dp_info */ |
| 436 | memset(&info, 0x0, sizeof(info)); |
| 437 | rc = dp_connector_get_info(&info, display); |
| 438 | if (rc) { |
| 439 | pr_err("failed to get display info, rc=%d\n", rc); |
| 440 | return connector_status_disconnected; |
| 441 | } |
| 442 | |
| 443 | if (info.capabilities & MSM_DISPLAY_CAP_HOT_PLUG) |
| 444 | status = (info.is_connected ? connector_status_connected : |
| 445 | connector_status_disconnected); |
| 446 | else |
| 447 | status = connector_status_connected; |
| 448 | |
| 449 | conn->display_info.width_mm = info.width_mm; |
| 450 | conn->display_info.height_mm = info.height_mm; |
| 451 | |
| 452 | return status; |
| 453 | } |
| 454 | |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 455 | void dp_connector_post_open(void *display) |
Padmanabhan Komanduru | 71aec2d | 2017-08-30 20:07:59 +0530 | [diff] [blame] | 456 | { |
| 457 | struct dp_display *dp; |
| 458 | |
| 459 | if (!display) { |
| 460 | pr_err("invalid input\n"); |
| 461 | return; |
| 462 | } |
| 463 | |
| 464 | dp = display; |
| 465 | |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 466 | if (dp->post_open) |
| 467 | dp->post_open(dp); |
Padmanabhan Komanduru | 71aec2d | 2017-08-30 20:07:59 +0530 | [diff] [blame] | 468 | } |
| 469 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 470 | int dp_connector_get_modes(struct drm_connector *connector, |
| 471 | void *display) |
| 472 | { |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 473 | int rc = 0; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 474 | struct dp_display *dp; |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 475 | struct dp_display_mode *dp_mode = NULL; |
| 476 | struct drm_display_mode *m, drm_mode; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 477 | |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 478 | if (!connector || !display) |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 479 | return 0; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 480 | |
| 481 | dp = display; |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 482 | |
| 483 | dp_mode = kzalloc(sizeof(*dp_mode), GFP_KERNEL); |
| 484 | if (!dp_mode) |
| 485 | return 0; |
| 486 | |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 487 | /* pluggable case assumes EDID is read when HPD */ |
| 488 | if (dp->is_connected) { |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 489 | rc = dp->get_modes(dp, dp_mode); |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 490 | if (!rc) |
| 491 | pr_err("failed to get DP sink modes, rc=%d\n", rc); |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 492 | |
| 493 | if (dp_mode->timing.pixel_clk_khz) { /* valid DP mode */ |
| 494 | memset(&drm_mode, 0x0, sizeof(drm_mode)); |
| 495 | convert_to_drm_mode(dp_mode, &drm_mode); |
| 496 | m = drm_mode_duplicate(connector->dev, &drm_mode); |
| 497 | if (!m) { |
| 498 | pr_err("failed to add mode %ux%u\n", |
| 499 | drm_mode.hdisplay, |
| 500 | drm_mode.vdisplay); |
| 501 | kfree(dp_mode); |
| 502 | return 0; |
| 503 | } |
| 504 | m->width_mm = connector->display_info.width_mm; |
| 505 | m->height_mm = connector->display_info.height_mm; |
| 506 | drm_mode_probed_add(connector, m); |
| 507 | } |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 508 | } else { |
| 509 | pr_err("No sink connected\n"); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 510 | } |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 511 | kfree(dp_mode); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 512 | |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 513 | return rc; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | int dp_drm_bridge_init(void *data, struct drm_encoder *encoder) |
| 517 | { |
| 518 | int rc = 0; |
| 519 | struct dp_bridge *bridge; |
| 520 | struct drm_device *dev; |
| 521 | struct dp_display *display = data; |
| 522 | struct msm_drm_private *priv = NULL; |
| 523 | |
| 524 | bridge = kzalloc(sizeof(*bridge), GFP_KERNEL); |
| 525 | if (!bridge) { |
| 526 | rc = -ENOMEM; |
| 527 | goto error; |
| 528 | } |
| 529 | |
| 530 | dev = display->drm_dev; |
| 531 | bridge->display = display; |
| 532 | bridge->base.funcs = &dp_bridge_ops; |
| 533 | bridge->base.encoder = encoder; |
| 534 | |
| 535 | priv = dev->dev_private; |
| 536 | |
| 537 | rc = drm_bridge_attach(dev, &bridge->base); |
| 538 | if (rc) { |
| 539 | pr_err("failed to attach bridge, rc=%d\n", rc); |
| 540 | goto error_free_bridge; |
| 541 | } |
| 542 | |
Padmanabhan Komanduru | 15e757d | 2017-05-24 04:07:31 -0700 | [diff] [blame] | 543 | rc = display->request_irq(display); |
| 544 | if (rc) { |
| 545 | pr_err("request_irq failed, rc=%d\n", rc); |
| 546 | goto error_free_bridge; |
| 547 | } |
| 548 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 549 | encoder->bridge = &bridge->base; |
| 550 | priv->bridges[priv->num_bridges++] = &bridge->base; |
| 551 | display->bridge = bridge; |
| 552 | |
| 553 | return 0; |
| 554 | error_free_bridge: |
| 555 | kfree(bridge); |
| 556 | error: |
| 557 | return rc; |
| 558 | } |
| 559 | |
| 560 | void dp_drm_bridge_deinit(void *data) |
| 561 | { |
| 562 | struct dp_display *display = data; |
| 563 | struct dp_bridge *bridge = display->bridge; |
| 564 | |
| 565 | if (bridge && bridge->base.encoder) |
| 566 | bridge->base.encoder->bridge = NULL; |
| 567 | |
| 568 | kfree(bridge); |
| 569 | } |
| 570 | |
| 571 | enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector, |
| 572 | struct drm_display_mode *mode, |
| 573 | void *display) |
| 574 | { |
Padmanabhan Komanduru | d5eae9d | 2017-06-22 19:23:36 +0530 | [diff] [blame] | 575 | struct dp_display *dp_disp; |
Samantha Tran | 2d1ed73 | 2017-07-31 17:30:14 -0700 | [diff] [blame] | 576 | struct dp_debug *debug; |
Padmanabhan Komanduru | d5eae9d | 2017-06-22 19:23:36 +0530 | [diff] [blame] | 577 | |
| 578 | if (!mode || !display) { |
| 579 | pr_err("invalid params\n"); |
| 580 | return MODE_ERROR; |
| 581 | } |
| 582 | |
| 583 | dp_disp = display; |
Samantha Tran | 2d1ed73 | 2017-07-31 17:30:14 -0700 | [diff] [blame] | 584 | debug = dp_disp->get_debug(dp_disp); |
Padmanabhan Komanduru | d5eae9d | 2017-06-22 19:23:36 +0530 | [diff] [blame] | 585 | |
Tatenda Chipeperekwa | 5951040 | 2017-09-28 12:50:58 -0700 | [diff] [blame] | 586 | mode->vrefresh = drm_mode_vrefresh(mode); |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 587 | |
Tatenda Chipeperekwa | 5951040 | 2017-09-28 12:50:58 -0700 | [diff] [blame] | 588 | if (mode->clock > dp_disp->max_pclk_khz) |
| 589 | return MODE_BAD; |
| 590 | |
| 591 | if (debug->debug_en && (mode->hdisplay != debug->hdisplay || |
| 592 | mode->vdisplay != debug->vdisplay || |
| 593 | mode->vrefresh != debug->vrefresh || |
| 594 | mode->picture_aspect_ratio != debug->aspect_ratio)) |
| 595 | return MODE_BAD; |
| 596 | |
Tatenda Chipeperekwa | 8a44bd9 | 2017-10-05 16:32:06 -0700 | [diff] [blame] | 597 | return dp_disp->validate_mode(dp_disp, mode->clock); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 598 | } |