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 | |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 34 | static int get_sink_dc_support(struct dp_display *dp, |
| 35 | struct drm_display_mode *mode) |
| 36 | { |
| 37 | int dc_format = 0; |
| 38 | struct drm_connector *connector = dp->connector; |
| 39 | |
| 40 | if ((mode->flags & DRM_MODE_FLAG_SUPPORTS_YUV420) && |
| 41 | (connector->display_info.edid_hdmi_dc_modes |
| 42 | & DRM_EDID_YCBCR420_DC_30)) |
| 43 | if (dp->get_dc_support(dp, mode->clock, |
| 44 | MSM_MODE_FLAG_COLOR_FORMAT_YCBCR420, true)) |
| 45 | dc_format |= MSM_MODE_FLAG_YUV420_DC_ENABLE; |
| 46 | |
| 47 | if ((mode->flags & DRM_MODE_FLAG_SUPPORTS_RGB) && |
| 48 | (connector->display_info.edid_hdmi_dc_modes |
| 49 | & DRM_EDID_HDMI_DC_30)) |
| 50 | if (dp->get_dc_support(dp, mode->clock, |
| 51 | MSM_MODE_FLAG_COLOR_FORMAT_RGB444, true)) |
| 52 | dc_format |= MSM_MODE_FLAG_RGB444_DC_ENABLE; |
| 53 | |
| 54 | if ((mode->flags & DRM_MODE_FLAG_SUPPORTS_YUV422) && |
| 55 | (connector->display_info.edid_hdmi_dc_modes |
| 56 | & DRM_EDID_HDMI_DC_30)) |
| 57 | if (dp->get_dc_support(dp, mode->clock, |
| 58 | MSM_MODE_FLAG_COLOR_FORMAT_YCBCR422, false)) |
| 59 | dc_format |= MSM_MODE_FLAG_YUV422_DC_ENABLE; |
| 60 | |
| 61 | return dc_format; |
| 62 | } |
| 63 | |
| 64 | static u32 choose_best_format(struct dp_display *dp, |
| 65 | struct drm_display_mode *mode) |
| 66 | { |
| 67 | /* |
| 68 | * choose priority: |
| 69 | * 1. DC + RGB |
| 70 | * 2. DC + YUV422 |
| 71 | * 3. DC + YUV420 |
| 72 | * 4. RGB |
| 73 | * 5. YUV420 |
| 74 | */ |
| 75 | int dc_format; |
| 76 | |
| 77 | dc_format = get_sink_dc_support(dp, mode); |
| 78 | if (dc_format & MSM_MODE_FLAG_RGB444_DC_ENABLE) |
| 79 | return (MSM_MODE_FLAG_COLOR_FORMAT_RGB444 |
| 80 | | MSM_MODE_FLAG_RGB444_DC_ENABLE); |
| 81 | else if (dc_format & MSM_MODE_FLAG_YUV422_DC_ENABLE) |
| 82 | return (MSM_MODE_FLAG_COLOR_FORMAT_YCBCR422 |
| 83 | | MSM_MODE_FLAG_YUV422_DC_ENABLE); |
| 84 | else if (dc_format & MSM_MODE_FLAG_YUV420_DC_ENABLE) |
| 85 | return (MSM_MODE_FLAG_COLOR_FORMAT_YCBCR420 |
| 86 | | MSM_MODE_FLAG_YUV420_DC_ENABLE); |
| 87 | else if (mode->flags & DRM_MODE_FLAG_SUPPORTS_RGB) |
| 88 | return MSM_MODE_FLAG_COLOR_FORMAT_RGB444; |
| 89 | else if (mode->flags & DRM_MODE_FLAG_SUPPORTS_YUV420) |
| 90 | return MSM_MODE_FLAG_COLOR_FORMAT_YCBCR420; |
| 91 | |
| 92 | pr_err("Can't get available best display format\n"); |
| 93 | |
| 94 | return MSM_MODE_FLAG_COLOR_FORMAT_RGB444; |
| 95 | } |
| 96 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 97 | 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] | 98 | struct dp_display_mode *dp_mode, struct dp_display *dp) |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 99 | { |
| 100 | memset(dp_mode, 0, sizeof(*dp_mode)); |
| 101 | |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 102 | dp_mode->timing.out_format = MSM_MODE_FLAG_COLOR_FORMAT_RGB444; |
| 103 | if (drm_mode->private_flags & MSM_MODE_FLAG_COLOR_FORMAT_YCBCR422) |
| 104 | dp_mode->timing.out_format = |
| 105 | MSM_MODE_FLAG_COLOR_FORMAT_YCBCR422; |
| 106 | else if (drm_mode->private_flags & MSM_MODE_FLAG_COLOR_FORMAT_YCBCR420) |
| 107 | dp_mode->timing.out_format = |
| 108 | MSM_MODE_FLAG_COLOR_FORMAT_YCBCR420; |
| 109 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 110 | dp_mode->timing.h_active = drm_mode->hdisplay; |
| 111 | dp_mode->timing.h_back_porch = drm_mode->htotal - drm_mode->hsync_end; |
| 112 | dp_mode->timing.h_sync_width = drm_mode->htotal - |
| 113 | (drm_mode->hsync_start + dp_mode->timing.h_back_porch); |
| 114 | dp_mode->timing.h_front_porch = drm_mode->hsync_start - |
| 115 | drm_mode->hdisplay; |
| 116 | dp_mode->timing.h_skew = drm_mode->hskew; |
| 117 | |
| 118 | dp_mode->timing.v_active = drm_mode->vdisplay; |
| 119 | dp_mode->timing.v_back_porch = drm_mode->vtotal - drm_mode->vsync_end; |
| 120 | dp_mode->timing.v_sync_width = drm_mode->vtotal - |
| 121 | (drm_mode->vsync_start + dp_mode->timing.v_back_porch); |
| 122 | |
| 123 | dp_mode->timing.v_front_porch = drm_mode->vsync_start - |
| 124 | drm_mode->vdisplay; |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 125 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 126 | dp_mode->timing.refresh_rate = drm_mode->vrefresh; |
| 127 | |
| 128 | dp_mode->timing.pixel_clk_khz = drm_mode->clock; |
| 129 | |
| 130 | dp_mode->timing.v_active_low = |
| 131 | !!(drm_mode->flags & DRM_MODE_FLAG_NVSYNC); |
| 132 | |
| 133 | dp_mode->timing.h_active_low = |
| 134 | !!(drm_mode->flags & DRM_MODE_FLAG_NHSYNC); |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 135 | |
| 136 | dp_mode->flags = drm_mode->flags; |
Narender Ankam | 7f2aa15 | 2020-02-11 13:20:36 +0530 | [diff] [blame] | 137 | |
| 138 | dp_mode->timing.par = drm_mode->picture_aspect_ratio; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | static void convert_to_drm_mode(const struct dp_display_mode *dp_mode, |
| 142 | struct drm_display_mode *drm_mode) |
| 143 | { |
| 144 | u32 flags = 0; |
| 145 | |
| 146 | memset(drm_mode, 0, sizeof(*drm_mode)); |
| 147 | |
| 148 | drm_mode->hdisplay = dp_mode->timing.h_active; |
| 149 | drm_mode->hsync_start = drm_mode->hdisplay + |
| 150 | dp_mode->timing.h_front_porch; |
| 151 | drm_mode->hsync_end = drm_mode->hsync_start + |
| 152 | dp_mode->timing.h_sync_width; |
| 153 | drm_mode->htotal = drm_mode->hsync_end + dp_mode->timing.h_back_porch; |
| 154 | drm_mode->hskew = dp_mode->timing.h_skew; |
| 155 | |
| 156 | drm_mode->vdisplay = dp_mode->timing.v_active; |
| 157 | drm_mode->vsync_start = drm_mode->vdisplay + |
| 158 | dp_mode->timing.v_front_porch; |
| 159 | drm_mode->vsync_end = drm_mode->vsync_start + |
| 160 | dp_mode->timing.v_sync_width; |
| 161 | drm_mode->vtotal = drm_mode->vsync_end + dp_mode->timing.v_back_porch; |
| 162 | |
| 163 | drm_mode->vrefresh = dp_mode->timing.refresh_rate; |
| 164 | drm_mode->clock = dp_mode->timing.pixel_clk_khz; |
| 165 | |
| 166 | if (dp_mode->timing.h_active_low) |
| 167 | flags |= DRM_MODE_FLAG_NHSYNC; |
| 168 | else |
| 169 | flags |= DRM_MODE_FLAG_PHSYNC; |
| 170 | |
| 171 | if (dp_mode->timing.v_active_low) |
| 172 | flags |= DRM_MODE_FLAG_NVSYNC; |
| 173 | else |
| 174 | flags |= DRM_MODE_FLAG_PVSYNC; |
| 175 | |
| 176 | drm_mode->flags = flags; |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 177 | drm_mode->flags |= (dp_mode->flags & SDE_DRM_MODE_FLAG_FMT_MASK); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 178 | |
Narender Ankam | 7f2aa15 | 2020-02-11 13:20:36 +0530 | [diff] [blame] | 179 | drm_mode->picture_aspect_ratio = dp_mode->timing.par; |
| 180 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 181 | drm_mode->type = 0x48; |
| 182 | drm_mode_set_name(drm_mode); |
| 183 | } |
| 184 | |
| 185 | static int dp_bridge_attach(struct drm_bridge *dp_bridge) |
| 186 | { |
| 187 | struct dp_bridge *bridge = to_dp_bridge(dp_bridge); |
| 188 | |
| 189 | if (!dp_bridge) { |
| 190 | pr_err("Invalid params\n"); |
| 191 | return -EINVAL; |
| 192 | } |
| 193 | |
| 194 | pr_debug("[%d] attached\n", bridge->id); |
| 195 | |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | static void dp_bridge_pre_enable(struct drm_bridge *drm_bridge) |
| 200 | { |
| 201 | int rc = 0; |
| 202 | struct dp_bridge *bridge; |
| 203 | struct dp_display *dp; |
| 204 | |
| 205 | if (!drm_bridge) { |
| 206 | pr_err("Invalid params\n"); |
| 207 | return; |
| 208 | } |
| 209 | |
| 210 | bridge = to_dp_bridge(drm_bridge); |
| 211 | dp = bridge->display; |
| 212 | |
| 213 | /* By this point mode should have been validated through mode_fixup */ |
| 214 | rc = dp->set_mode(dp, &bridge->dp_mode); |
| 215 | if (rc) { |
| 216 | pr_err("[%d] failed to perform a mode set, rc=%d\n", |
| 217 | bridge->id, rc); |
| 218 | return; |
| 219 | } |
| 220 | |
| 221 | rc = dp->prepare(dp); |
| 222 | if (rc) { |
| 223 | pr_err("[%d] DP display prepare failed, rc=%d\n", |
| 224 | bridge->id, rc); |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | rc = dp->enable(dp); |
| 229 | if (rc) { |
| 230 | pr_err("[%d] DP display enable failed, rc=%d\n", |
| 231 | bridge->id, rc); |
| 232 | dp->unprepare(dp); |
| 233 | } |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 234 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | static void dp_bridge_enable(struct drm_bridge *drm_bridge) |
| 238 | { |
| 239 | int rc = 0; |
| 240 | struct dp_bridge *bridge; |
| 241 | struct dp_display *dp; |
| 242 | |
| 243 | if (!drm_bridge) { |
| 244 | pr_err("Invalid params\n"); |
| 245 | return; |
| 246 | } |
| 247 | |
| 248 | bridge = to_dp_bridge(drm_bridge); |
| 249 | dp = bridge->display; |
| 250 | |
| 251 | rc = dp->post_enable(dp); |
| 252 | if (rc) |
| 253 | pr_err("[%d] DP display post enable failed, rc=%d\n", |
| 254 | bridge->id, rc); |
| 255 | } |
| 256 | |
| 257 | static void dp_bridge_disable(struct drm_bridge *drm_bridge) |
| 258 | { |
| 259 | int rc = 0; |
| 260 | struct dp_bridge *bridge; |
| 261 | struct dp_display *dp; |
| 262 | |
| 263 | if (!drm_bridge) { |
| 264 | pr_err("Invalid params\n"); |
| 265 | return; |
| 266 | } |
| 267 | |
| 268 | bridge = to_dp_bridge(drm_bridge); |
| 269 | dp = bridge->display; |
| 270 | |
Jayant Shekhar | 67ad2a9 | 2018-03-01 11:32:23 +0530 | [diff] [blame] | 271 | if (!dp) { |
| 272 | pr_err("dp is null\n"); |
| 273 | return; |
| 274 | } |
| 275 | |
| 276 | if (dp->connector) |
Clarence Ip | 458a5d0 | 2017-11-27 18:15:16 -0500 | [diff] [blame] | 277 | sde_connector_helper_bridge_disable(dp->connector); |
| 278 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 279 | rc = dp->pre_disable(dp); |
| 280 | if (rc) { |
| 281 | pr_err("[%d] DP display pre disable failed, rc=%d\n", |
| 282 | bridge->id, rc); |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | static void dp_bridge_post_disable(struct drm_bridge *drm_bridge) |
| 287 | { |
| 288 | int rc = 0; |
| 289 | struct dp_bridge *bridge; |
| 290 | struct dp_display *dp; |
| 291 | |
| 292 | if (!drm_bridge) { |
| 293 | pr_err("Invalid params\n"); |
| 294 | return; |
| 295 | } |
| 296 | |
| 297 | bridge = to_dp_bridge(drm_bridge); |
| 298 | dp = bridge->display; |
| 299 | |
| 300 | rc = dp->disable(dp); |
| 301 | if (rc) { |
| 302 | pr_err("[%d] DP display disable failed, rc=%d\n", |
| 303 | bridge->id, rc); |
| 304 | return; |
| 305 | } |
| 306 | |
| 307 | rc = dp->unprepare(dp); |
| 308 | if (rc) { |
| 309 | pr_err("[%d] DP display unprepare failed, rc=%d\n", |
| 310 | bridge->id, rc); |
| 311 | return; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | static void dp_bridge_mode_set(struct drm_bridge *drm_bridge, |
| 316 | struct drm_display_mode *mode, |
| 317 | struct drm_display_mode *adjusted_mode) |
| 318 | { |
| 319 | struct dp_bridge *bridge; |
| 320 | struct dp_display *dp; |
| 321 | |
| 322 | if (!drm_bridge || !mode || !adjusted_mode) { |
| 323 | pr_err("Invalid params\n"); |
| 324 | return; |
| 325 | } |
| 326 | |
| 327 | bridge = to_dp_bridge(drm_bridge); |
| 328 | dp = bridge->display; |
| 329 | |
| 330 | memset(&bridge->dp_mode, 0x0, sizeof(struct dp_display_mode)); |
Padmanabhan Komanduru | d0ed9c4 | 2017-05-23 02:56:08 -0700 | [diff] [blame] | 331 | convert_to_dp_mode(adjusted_mode, &bridge->dp_mode, dp); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | static bool dp_bridge_mode_fixup(struct drm_bridge *drm_bridge, |
| 335 | const struct drm_display_mode *mode, |
| 336 | struct drm_display_mode *adjusted_mode) |
| 337 | { |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 338 | bool ret = true; |
| 339 | struct dp_display_mode dp_mode; |
| 340 | struct dp_bridge *bridge; |
| 341 | struct dp_display *dp; |
| 342 | |
| 343 | if (!drm_bridge || !mode || !adjusted_mode) { |
| 344 | pr_err("Invalid params\n"); |
| 345 | ret = false; |
| 346 | goto end; |
| 347 | } |
| 348 | |
| 349 | bridge = to_dp_bridge(drm_bridge); |
| 350 | dp = bridge->display; |
| 351 | |
Padmanabhan Komanduru | d0ed9c4 | 2017-05-23 02:56:08 -0700 | [diff] [blame] | 352 | convert_to_dp_mode(mode, &dp_mode, dp); |
Tatenda Chipeperekwa | 8a44bd9 | 2017-10-05 16:32:06 -0700 | [diff] [blame] | 353 | convert_to_drm_mode(&dp_mode, adjusted_mode); |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 354 | |
| 355 | /* Clear the private flags before assigning new one */ |
| 356 | adjusted_mode->private_flags = 0; |
| 357 | |
| 358 | adjusted_mode->private_flags |= |
| 359 | choose_best_format(dp, adjusted_mode); |
| 360 | SDE_DEBUG("Adjusted mode private flags: 0x%x\n", |
| 361 | adjusted_mode->private_flags); |
| 362 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 363 | end: |
| 364 | return ret; |
| 365 | } |
| 366 | |
| 367 | static const struct drm_bridge_funcs dp_bridge_ops = { |
| 368 | .attach = dp_bridge_attach, |
| 369 | .mode_fixup = dp_bridge_mode_fixup, |
| 370 | .pre_enable = dp_bridge_pre_enable, |
| 371 | .enable = dp_bridge_enable, |
| 372 | .disable = dp_bridge_disable, |
| 373 | .post_disable = dp_bridge_post_disable, |
| 374 | .mode_set = dp_bridge_mode_set, |
| 375 | }; |
| 376 | |
Ajay Singh Parmar | 87af50b | 2017-12-22 22:22:55 -0800 | [diff] [blame] | 377 | int dp_connector_config_hdr(void *display, |
| 378 | struct sde_connector_state *c_state) |
Ajay Singh Parmar | 9c842d4 | 2017-09-21 13:02:05 -0700 | [diff] [blame] | 379 | { |
| 380 | struct dp_display *dp = display; |
| 381 | |
Ajay Singh Parmar | 87af50b | 2017-12-22 22:22:55 -0800 | [diff] [blame] | 382 | if (!display || !c_state) { |
Ajay Singh Parmar | 9c842d4 | 2017-09-21 13:02:05 -0700 | [diff] [blame] | 383 | pr_err("invalid params\n"); |
| 384 | return -EINVAL; |
| 385 | } |
| 386 | |
Ajay Singh Parmar | 87af50b | 2017-12-22 22:22:55 -0800 | [diff] [blame] | 387 | return dp->config_hdr(dp, &c_state->hdr_meta); |
Ajay Singh Parmar | 9c842d4 | 2017-09-21 13:02:05 -0700 | [diff] [blame] | 388 | } |
| 389 | |
Alan Kwong | 769fba9 | 2017-11-13 16:50:36 -0500 | [diff] [blame] | 390 | int dp_connector_post_init(struct drm_connector *connector, void *display) |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 391 | { |
| 392 | struct dp_display *dp_display = display; |
| 393 | |
Alan Kwong | 769fba9 | 2017-11-13 16:50:36 -0500 | [diff] [blame] | 394 | if (!dp_display) |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 395 | return -EINVAL; |
| 396 | |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 397 | dp_display->connector = connector; |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 398 | |
| 399 | if (dp_display->post_init) |
| 400 | dp_display->post_init(dp_display); |
| 401 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 402 | return 0; |
| 403 | } |
| 404 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 405 | 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] | 406 | struct msm_mode_info *mode_info, u32 max_mixer_width, void *display) |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 407 | { |
| 408 | const u32 dual_lm = 2; |
| 409 | const u32 single_lm = 1; |
| 410 | const u32 single_intf = 1; |
| 411 | const u32 no_enc = 0; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 412 | struct msm_display_topology *topology; |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 413 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 414 | if (!drm_mode || !mode_info || !max_mixer_width) { |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 415 | pr_err("invalid params\n"); |
| 416 | return -EINVAL; |
| 417 | } |
| 418 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 419 | topology = &mode_info->topology; |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 420 | topology->num_lm = (max_mixer_width <= drm_mode->hdisplay) ? |
| 421 | dual_lm : single_lm; |
| 422 | topology->num_enc = no_enc; |
| 423 | topology->num_intf = single_intf; |
| 424 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 425 | mode_info->frame_rate = drm_mode->vrefresh; |
| 426 | mode_info->vtotal = drm_mode->vtotal; |
| 427 | mode_info->comp_info.comp_type = MSM_DISPLAY_COMPRESSION_NONE; |
| 428 | |
Tatenda Chipeperekwa | 9f2abe1 | 2017-05-25 12:06:22 -0700 | [diff] [blame] | 429 | return 0; |
| 430 | } |
| 431 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 432 | int dp_connector_get_info(struct msm_display_info *info, void *data) |
| 433 | { |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 434 | struct dp_display *display = data; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 435 | |
| 436 | if (!info || !display) { |
| 437 | pr_err("invalid params\n"); |
| 438 | return -EINVAL; |
| 439 | } |
| 440 | |
| 441 | info->intf_type = DRM_MODE_CONNECTOR_DisplayPort; |
| 442 | |
| 443 | info->num_of_h_tiles = 1; |
| 444 | info->h_tile_instance[0] = 0; |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 445 | info->is_connected = display->is_connected; |
Narender Ankam | 96d7054 | 2019-12-12 14:42:59 +0530 | [diff] [blame] | 446 | info->is_primary = display->is_primary; |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 447 | info->capabilities = MSM_DISPLAY_CAP_VID_MODE | MSM_DISPLAY_CAP_EDID | |
| 448 | MSM_DISPLAY_CAP_HOT_PLUG; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 449 | |
| 450 | return 0; |
| 451 | } |
| 452 | |
Chirag Khurana | ce2aa51 | 2019-11-20 18:27:03 +0530 | [diff] [blame] | 453 | bool dp_connector_mode_needs_full_range(void *data) |
| 454 | { |
| 455 | struct dp_display *display = data; |
| 456 | struct dp_bridge *bridge; |
| 457 | struct dp_display_mode *mode; |
| 458 | struct dp_panel_info *timing; |
| 459 | |
| 460 | if (!display) { |
| 461 | pr_err("invalid input\n"); |
| 462 | return false; |
| 463 | } |
| 464 | |
| 465 | bridge = display->bridge; |
| 466 | if (!bridge) { |
| 467 | pr_err("invalid bridge data\n"); |
| 468 | return false; |
| 469 | } |
| 470 | |
| 471 | mode = &bridge->dp_mode; |
| 472 | timing = &mode->timing; |
| 473 | |
| 474 | if (timing->h_active == 640 && |
| 475 | timing->v_active == 480) |
| 476 | return true; |
| 477 | |
| 478 | return false; |
| 479 | } |
| 480 | |
Narender Ankam | 7f2aa15 | 2020-02-11 13:20:36 +0530 | [diff] [blame] | 481 | bool dp_connector_mode_is_cea_mode(void *data) |
| 482 | { |
| 483 | struct dp_display *display = data; |
| 484 | struct dp_bridge *bridge; |
| 485 | struct dp_display_mode *mode; |
| 486 | struct drm_display_mode drm_mode; |
| 487 | struct dp_panel_info *timing; |
| 488 | bool is_ce_mode = false; |
| 489 | |
| 490 | if (!display) { |
| 491 | pr_err("invalid input\n"); |
| 492 | return false; |
| 493 | } |
| 494 | |
| 495 | bridge = display->bridge; |
| 496 | if (!bridge) { |
| 497 | pr_err("invalid bridge data\n"); |
| 498 | return false; |
| 499 | } |
| 500 | |
| 501 | mode = &bridge->dp_mode; |
| 502 | timing = &mode->timing; |
| 503 | |
| 504 | if (timing->h_active == 640 && |
| 505 | timing->v_active == 480) |
| 506 | is_ce_mode = false; |
| 507 | |
| 508 | convert_to_drm_mode(mode, &drm_mode); |
| 509 | drm_mode.flags &= ~SDE_DRM_MODE_FLAG_FMT_MASK; |
| 510 | |
| 511 | if (drm_match_cea_mode(&drm_mode) || drm_match_hdmi_mode(&drm_mode)) |
| 512 | is_ce_mode = true; |
| 513 | |
| 514 | pr_debug("%s: %s : %s video format\n", __func__, |
| 515 | drm_mode.name, is_ce_mode ? "CE" : "IT"); |
| 516 | |
| 517 | return is_ce_mode; |
| 518 | } |
| 519 | |
Narender Ankam | 1afbd17 | 2020-03-16 17:27:44 +0530 | [diff] [blame] | 520 | enum sde_csc_type dp_connector_get_csc_type(struct drm_connector *conn, |
| 521 | void *data) |
| 522 | { |
| 523 | struct dp_display *display = data; |
| 524 | struct sde_connector_state *c_state; |
| 525 | struct drm_msm_ext_hdr_metadata *hdr_meta; |
| 526 | |
| 527 | if (!display || !conn) { |
| 528 | pr_err("invalid input\n"); |
| 529 | goto error; |
| 530 | } |
| 531 | |
| 532 | c_state = to_sde_connector_state(conn->state); |
| 533 | |
| 534 | if (!c_state) { |
| 535 | pr_err("invalid input\n"); |
| 536 | goto error; |
| 537 | } |
| 538 | |
| 539 | hdr_meta = &c_state->hdr_meta; |
| 540 | |
| 541 | if ((hdr_meta->hdr_state == HDR_ENABLE) |
| 542 | && (hdr_meta->eotf != 0)) |
| 543 | return SDE_CSC_RGB2YUV_2020L; |
| 544 | else if (dp_connector_mode_needs_full_range(data) |
| 545 | || conn->yuv_qs) |
Narender Ankam | 7f2aa15 | 2020-02-11 13:20:36 +0530 | [diff] [blame] | 546 | return SDE_CSC_RGB2YUV_709FR; |
Narender Ankam | 1afbd17 | 2020-03-16 17:27:44 +0530 | [diff] [blame] | 547 | |
| 548 | error: |
Narender Ankam | 7f2aa15 | 2020-02-11 13:20:36 +0530 | [diff] [blame] | 549 | return SDE_CSC_RGB2YUV_709L; |
Narender Ankam | 1afbd17 | 2020-03-16 17:27:44 +0530 | [diff] [blame] | 550 | } |
| 551 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 552 | enum drm_connector_status dp_connector_detect(struct drm_connector *conn, |
| 553 | bool force, |
| 554 | void *display) |
| 555 | { |
| 556 | enum drm_connector_status status = connector_status_unknown; |
| 557 | struct msm_display_info info; |
| 558 | int rc; |
| 559 | |
| 560 | if (!conn || !display) |
| 561 | return status; |
| 562 | |
| 563 | /* get display dp_info */ |
| 564 | memset(&info, 0x0, sizeof(info)); |
| 565 | rc = dp_connector_get_info(&info, display); |
| 566 | if (rc) { |
| 567 | pr_err("failed to get display info, rc=%d\n", rc); |
| 568 | return connector_status_disconnected; |
| 569 | } |
| 570 | |
| 571 | if (info.capabilities & MSM_DISPLAY_CAP_HOT_PLUG) |
| 572 | status = (info.is_connected ? connector_status_connected : |
| 573 | connector_status_disconnected); |
| 574 | else |
| 575 | status = connector_status_connected; |
| 576 | |
| 577 | conn->display_info.width_mm = info.width_mm; |
| 578 | conn->display_info.height_mm = info.height_mm; |
| 579 | |
| 580 | return status; |
| 581 | } |
| 582 | |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 583 | void dp_connector_post_open(void *display) |
Padmanabhan Komanduru | 71aec2d | 2017-08-30 20:07:59 +0530 | [diff] [blame] | 584 | { |
| 585 | struct dp_display *dp; |
| 586 | |
| 587 | if (!display) { |
| 588 | pr_err("invalid input\n"); |
| 589 | return; |
| 590 | } |
| 591 | |
| 592 | dp = display; |
| 593 | |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 594 | if (dp->post_open) |
| 595 | dp->post_open(dp); |
Padmanabhan Komanduru | 71aec2d | 2017-08-30 20:07:59 +0530 | [diff] [blame] | 596 | } |
| 597 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 598 | int dp_connector_get_modes(struct drm_connector *connector, |
| 599 | void *display) |
| 600 | { |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 601 | int rc = 0; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 602 | struct dp_display *dp; |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 603 | struct dp_display_mode *dp_mode = NULL; |
| 604 | struct drm_display_mode *m, drm_mode; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 605 | |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 606 | if (!connector || !display) |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 607 | return 0; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 608 | |
| 609 | dp = display; |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 610 | |
| 611 | dp_mode = kzalloc(sizeof(*dp_mode), GFP_KERNEL); |
| 612 | if (!dp_mode) |
| 613 | return 0; |
| 614 | |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 615 | /* pluggable case assumes EDID is read when HPD */ |
| 616 | if (dp->is_connected) { |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 617 | rc = dp->get_modes(dp, dp_mode); |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 618 | if (!rc) |
| 619 | pr_err("failed to get DP sink modes, rc=%d\n", rc); |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 620 | |
| 621 | if (dp_mode->timing.pixel_clk_khz) { /* valid DP mode */ |
| 622 | memset(&drm_mode, 0x0, sizeof(drm_mode)); |
| 623 | convert_to_drm_mode(dp_mode, &drm_mode); |
| 624 | m = drm_mode_duplicate(connector->dev, &drm_mode); |
| 625 | if (!m) { |
| 626 | pr_err("failed to add mode %ux%u\n", |
| 627 | drm_mode.hdisplay, |
| 628 | drm_mode.vdisplay); |
| 629 | kfree(dp_mode); |
| 630 | return 0; |
| 631 | } |
| 632 | m->width_mm = connector->display_info.width_mm; |
| 633 | m->height_mm = connector->display_info.height_mm; |
| 634 | drm_mode_probed_add(connector, m); |
| 635 | } |
Padmanabhan Komanduru | d84b38b | 2017-05-24 04:24:57 -0700 | [diff] [blame] | 636 | } else { |
| 637 | pr_err("No sink connected\n"); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 638 | } |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 639 | kfree(dp_mode); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 640 | |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 641 | return rc; |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 642 | } |
| 643 | |
Narender Ankam | 96d7054 | 2019-12-12 14:42:59 +0530 | [diff] [blame] | 644 | int dp_connnector_set_info_blob(struct drm_connector *connector, |
| 645 | void *info, void *display, struct msm_mode_info *mode_info) |
| 646 | { |
| 647 | struct dp_display *dp_display = display; |
| 648 | const char *display_type = NULL; |
| 649 | |
| 650 | dp_display->get_display_type(dp_display, &display_type); |
| 651 | sde_kms_info_add_keystr(info, |
| 652 | "display type", display_type); |
| 653 | |
| 654 | return 0; |
| 655 | } |
| 656 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 657 | int dp_drm_bridge_init(void *data, struct drm_encoder *encoder) |
| 658 | { |
| 659 | int rc = 0; |
| 660 | struct dp_bridge *bridge; |
| 661 | struct drm_device *dev; |
| 662 | struct dp_display *display = data; |
| 663 | struct msm_drm_private *priv = NULL; |
| 664 | |
| 665 | bridge = kzalloc(sizeof(*bridge), GFP_KERNEL); |
| 666 | if (!bridge) { |
| 667 | rc = -ENOMEM; |
| 668 | goto error; |
| 669 | } |
| 670 | |
| 671 | dev = display->drm_dev; |
| 672 | bridge->display = display; |
| 673 | bridge->base.funcs = &dp_bridge_ops; |
| 674 | bridge->base.encoder = encoder; |
| 675 | |
| 676 | priv = dev->dev_private; |
| 677 | |
| 678 | rc = drm_bridge_attach(dev, &bridge->base); |
| 679 | if (rc) { |
| 680 | pr_err("failed to attach bridge, rc=%d\n", rc); |
| 681 | goto error_free_bridge; |
| 682 | } |
| 683 | |
Padmanabhan Komanduru | 15e757d | 2017-05-24 04:07:31 -0700 | [diff] [blame] | 684 | rc = display->request_irq(display); |
| 685 | if (rc) { |
| 686 | pr_err("request_irq failed, rc=%d\n", rc); |
| 687 | goto error_free_bridge; |
| 688 | } |
| 689 | |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 690 | encoder->bridge = &bridge->base; |
| 691 | priv->bridges[priv->num_bridges++] = &bridge->base; |
| 692 | display->bridge = bridge; |
| 693 | |
| 694 | return 0; |
| 695 | error_free_bridge: |
| 696 | kfree(bridge); |
| 697 | error: |
| 698 | return rc; |
| 699 | } |
| 700 | |
| 701 | void dp_drm_bridge_deinit(void *data) |
| 702 | { |
| 703 | struct dp_display *display = data; |
| 704 | struct dp_bridge *bridge = display->bridge; |
| 705 | |
| 706 | if (bridge && bridge->base.encoder) |
| 707 | bridge->base.encoder->bridge = NULL; |
| 708 | |
| 709 | kfree(bridge); |
| 710 | } |
| 711 | |
| 712 | enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector, |
| 713 | struct drm_display_mode *mode, |
| 714 | void *display) |
| 715 | { |
Padmanabhan Komanduru | d5eae9d | 2017-06-22 19:23:36 +0530 | [diff] [blame] | 716 | struct dp_display *dp_disp; |
Samantha Tran | 2d1ed73 | 2017-07-31 17:30:14 -0700 | [diff] [blame] | 717 | struct dp_debug *debug; |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 718 | u32 pclk = 0; |
| 719 | u32 rate_ratio = RGB_24BPP_TMDS_CHAR_RATE_RATIO; |
Padmanabhan Komanduru | d5eae9d | 2017-06-22 19:23:36 +0530 | [diff] [blame] | 720 | |
| 721 | if (!mode || !display) { |
| 722 | pr_err("invalid params\n"); |
| 723 | return MODE_ERROR; |
| 724 | } |
| 725 | |
| 726 | dp_disp = display; |
Samantha Tran | 2d1ed73 | 2017-07-31 17:30:14 -0700 | [diff] [blame] | 727 | debug = dp_disp->get_debug(dp_disp); |
Padmanabhan Komanduru | d5eae9d | 2017-06-22 19:23:36 +0530 | [diff] [blame] | 728 | |
Tatenda Chipeperekwa | 5951040 | 2017-09-28 12:50:58 -0700 | [diff] [blame] | 729 | mode->vrefresh = drm_mode_vrefresh(mode); |
Padmanabhan Komanduru | fdafc41 | 2017-09-11 13:13:38 +0530 | [diff] [blame] | 730 | |
Narender Ankam | b6e39e5 | 2019-12-25 21:48:19 +0530 | [diff] [blame] | 731 | if (!dp_disp->yuv_support) { |
| 732 | mode->flags &= ~DRM_MODE_FLAG_SUPPORTS_YUV420; |
| 733 | mode->flags &= ~DRM_MODE_FLAG_SUPPORTS_YUV422; |
| 734 | } |
| 735 | |
Narender Ankam | 71580a0 | 2019-12-27 14:43:29 +0530 | [diff] [blame] | 736 | if (!dp_disp->vsc_sdp_supported(dp_disp)) |
| 737 | mode->flags &= ~DRM_MODE_FLAG_SUPPORTS_YUV420; |
| 738 | |
| 739 | if (!(mode->flags & SDE_DRM_MODE_FLAG_FMT_MASK)) |
| 740 | return MODE_BAD; |
| 741 | |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 742 | if ((mode->flags & SDE_DRM_MODE_FLAG_FMT_MASK) == |
| 743 | DRM_MODE_FLAG_SUPPORTS_YUV420) { |
| 744 | rate_ratio = YUV420_24BPP_TMDS_CHAR_RATE_RATIO; |
| 745 | } else if ((mode->flags & DRM_MODE_FLAG_SUPPORTS_RGB) && |
| 746 | (mode->flags & DRM_MODE_FLAG_SUPPORTS_YUV420)) { |
| 747 | if (mode->clock > dp_disp->max_pclk_khz) { |
| 748 | /* Clear RGB and YUV422 support flags */ |
| 749 | mode->flags &= ~DRM_MODE_FLAG_SUPPORTS_RGB; |
| 750 | mode->flags &= ~DRM_MODE_FLAG_SUPPORTS_YUV422; |
| 751 | /* Only YUV420 format is now supported */ |
| 752 | rate_ratio = YUV420_24BPP_TMDS_CHAR_RATE_RATIO; |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | pclk = mode->clock / rate_ratio; |
| 757 | |
| 758 | if (pclk > dp_disp->max_pclk_khz) |
Tatenda Chipeperekwa | 5951040 | 2017-09-28 12:50:58 -0700 | [diff] [blame] | 759 | return MODE_BAD; |
| 760 | |
| 761 | if (debug->debug_en && (mode->hdisplay != debug->hdisplay || |
| 762 | mode->vdisplay != debug->vdisplay || |
| 763 | mode->vrefresh != debug->vrefresh || |
| 764 | mode->picture_aspect_ratio != debug->aspect_ratio)) |
| 765 | return MODE_BAD; |
| 766 | |
Narender Ankam | de42624 | 2019-12-23 20:54:31 +0530 | [diff] [blame] | 767 | return dp_disp->validate_mode(dp_disp, pclk, mode->flags); |
Ajay Singh Parmar | 0d6250b | 2017-04-02 14:08:51 -0700 | [diff] [blame] | 768 | } |