drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c

   1 /*
   2  * Copyright (C) 2014-2015 The Linux Foundation. All rights reserved.
   3  * Copyright (C) 2013 Red Hat
   4  * Author: Rob Clark <robdclark@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 as published by
   8  * the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include <drm/drm_print.h>
  20 #include "mdp5_kms.h"
  21
  22 struct mdp5_plane {
  23         struct drm_plane base;
  24
  25         spinlock_t pipe_lock;     /* protect REG_MDP5_PIPE_* registers */
  26
  27         uint32_t nformats;
  28         uint32_t formats[32];
  29 };
  30 #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
  31
  32 static int mdp5_plane_mode_set(struct drm_plane *plane,
  33                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
  34                 struct drm_rect *src, struct drm_rect *dest);
  35
  36 static int mdp5_update_cursor_plane_legacy(struct drm_plane *plane,
  37                 struct drm_crtc *crtc,
  38                 struct drm_framebuffer *fb,
  39                 int crtc_x, int crtc_y,
  40                 unsigned int crtc_w, unsigned int crtc_h,
  41                 uint32_t src_x, uint32_t src_y,
  42                 uint32_t src_w, uint32_t src_h,
  43                 struct drm_modeset_acquire_ctx *ctx);
  44
  45 static struct mdp5_kms *get_kms(struct drm_plane *plane)
  46 {
  47         struct msm_drm_private *priv = plane->dev->dev_private;
  48         return to_mdp5_kms(to_mdp_kms(priv->kms));
  49 }
  50
  51 static bool plane_enabled(struct drm_plane_state *state)
  52 {
  53         return state->visible;
  54 }
  55
  56 static void mdp5_plane_destroy(struct drm_plane *plane)
  57 {
  58         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
  59
  60         drm_plane_helper_disable(plane);
  61         drm_plane_cleanup(plane);
  62
  63         kfree(mdp5_plane);
  64 }
  65
  66 static void mdp5_plane_install_rotation_property(struct drm_device *dev,
  67                 struct drm_plane *plane)
  68 {
  69         drm_plane_create_rotation_property(plane,
  70                                            DRM_ROTATE_0,
  71                                            DRM_ROTATE_0 |
  72                                            DRM_ROTATE_180 |
  73                                            DRM_REFLECT_X |
  74                                            DRM_REFLECT_Y);
  75 }
  76
  77 /* helper to install properties which are common to planes and crtcs */
  78 static void mdp5_plane_install_properties(struct drm_plane *plane,
  79                 struct drm_mode_object *obj)
  80 {
  81         struct drm_device *dev = plane->dev;
  82         struct msm_drm_private *dev_priv = dev->dev_private;
  83         struct drm_property *prop;
  84
  85 #define INSTALL_PROPERTY(name, NAME, init_val, fnc, ...) do { \
  86                 prop = dev_priv->plane_property[PLANE_PROP_##NAME]; \
  87                 if (!prop) { \
  88                         prop = drm_property_##fnc(dev, 0, #name, \
  89                                 ##__VA_ARGS__); \
  90                         if (!prop) { \
  91                                 dev_warn(dev->dev, \
  92                                         "Create property %s failed\n", \
  93                                         #name); \
  94                                 return; \
  95                         } \
  96                         dev_priv->plane_property[PLANE_PROP_##NAME] = prop; \
  97                 } \
  98                 drm_object_attach_property(&plane->base, prop, init_val); \
  99         } while (0)
 100
 101 #define INSTALL_RANGE_PROPERTY(name, NAME, min, max, init_val) \
 102                 INSTALL_PROPERTY(name, NAME, init_val, \
 103                                 create_range, min, max)
 104
 105 #define INSTALL_ENUM_PROPERTY(name, NAME, init_val) \
 106                 INSTALL_PROPERTY(name, NAME, init_val, \
 107                                 create_enum, name##_prop_enum_list, \
 108                                 ARRAY_SIZE(name##_prop_enum_list))
 109
 110         INSTALL_RANGE_PROPERTY(zpos, ZPOS, 1, 255, 1);
 111
 112         mdp5_plane_install_rotation_property(dev, plane);
 113
 114 #undef INSTALL_RANGE_PROPERTY
 115 #undef INSTALL_ENUM_PROPERTY
 116 #undef INSTALL_PROPERTY
 117 }
 118
 119 static int mdp5_plane_atomic_set_property(struct drm_plane *plane,
 120                 struct drm_plane_state *state, struct drm_property *property,
 121                 uint64_t val)
 122 {
 123         struct drm_device *dev = plane->dev;
 124         struct mdp5_plane_state *pstate;
 125         struct msm_drm_private *dev_priv = dev->dev_private;
 126         int ret = 0;
 127
 128         pstate = to_mdp5_plane_state(state);
 129
 130 #define SET_PROPERTY(name, NAME, type) do { \
 131                 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
 132                         pstate->name = (type)val; \
 133                         DBG("Set property %s %d", #name, (type)val); \
 134                         goto done; \
 135                 } \
 136         } while (0)
 137
 138         SET_PROPERTY(zpos, ZPOS, uint8_t);
 139
 140         dev_err(dev->dev, "Invalid property\n");
 141         ret = -EINVAL;
 142 done:
 143         return ret;
 144 #undef SET_PROPERTY
 145 }
 146
 147 static int mdp5_plane_atomic_get_property(struct drm_plane *plane,
 148                 const struct drm_plane_state *state,
 149                 struct drm_property *property, uint64_t *val)
 150 {
 151         struct drm_device *dev = plane->dev;
 152         struct mdp5_plane_state *pstate;
 153         struct msm_drm_private *dev_priv = dev->dev_private;
 154         int ret = 0;
 155
 156         pstate = to_mdp5_plane_state(state);
 157
 158 #define GET_PROPERTY(name, NAME, type) do { \
 159                 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
 160                         *val = pstate->name; \
 161                         DBG("Get property %s %lld", #name, *val); \
 162                         goto done; \
 163                 } \
 164         } while (0)
 165
 166         GET_PROPERTY(zpos, ZPOS, uint8_t);
 167
 168         dev_err(dev->dev, "Invalid property\n");
 169         ret = -EINVAL;
 170 done:
 171         return ret;
 172 #undef SET_PROPERTY
 173 }
 174
 175 static void
 176 mdp5_plane_atomic_print_state(struct drm_printer *p,
 177                 const struct drm_plane_state *state)
 178 {
 179         struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
 180         struct mdp5_kms *mdp5_kms = get_kms(state->plane);
 181
 182         drm_printf(p, "\thwpipe=%s\n", pstate->hwpipe ?
 183                         pstate->hwpipe->name : "(null)");
 184         if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT)
 185                 drm_printf(p, "\tright-hwpipe=%s\n",
 186                            pstate->r_hwpipe ? pstate->r_hwpipe->name :
 187                                               "(null)");
 188         drm_printf(p, "\tpremultiplied=%u\n", pstate->premultiplied);
 189         drm_printf(p, "\tzpos=%u\n", pstate->zpos);
 190         drm_printf(p, "\talpha=%u\n", pstate->alpha);
 191         drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
 192 }
 193
 194 static void mdp5_plane_reset(struct drm_plane *plane)
 195 {
 196         struct mdp5_plane_state *mdp5_state;
 197
 198         if (plane->state && plane->state->fb)
 199                 drm_framebuffer_unreference(plane->state->fb);
 200
 201         kfree(to_mdp5_plane_state(plane->state));
 202         mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
 203
 204         /* assign default blend parameters */
 205         mdp5_state->alpha = 255;
 206         mdp5_state->premultiplied = 0;
 207
 208         if (plane->type == DRM_PLANE_TYPE_PRIMARY)
 209                 mdp5_state->zpos = STAGE_BASE;
 210         else
 211                 mdp5_state->zpos = STAGE0 + drm_plane_index(plane);
 212
 213         mdp5_state->base.plane = plane;
 214
 215         plane->state = &mdp5_state->base;
 216 }
 217
 218 static struct drm_plane_state *
 219 mdp5_plane_duplicate_state(struct drm_plane *plane)
 220 {
 221         struct mdp5_plane_state *mdp5_state;
 222
 223         if (WARN_ON(!plane->state))
 224                 return NULL;
 225
 226         mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
 227                         sizeof(*mdp5_state), GFP_KERNEL);
 228         if (!mdp5_state)
 229                 return NULL;
 230
 231         __drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base);
 232
 233         return &mdp5_state->base;
 234 }
 235
 236 static void mdp5_plane_destroy_state(struct drm_plane *plane,
 237                 struct drm_plane_state *state)
 238 {
 239         struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
 240
 241         if (state->fb)
 242                 drm_framebuffer_unreference(state->fb);
 243
 244         kfree(pstate);
 245 }
 246
 247 static const struct drm_plane_funcs mdp5_plane_funcs = {
 248                 .update_plane = drm_atomic_helper_update_plane,
 249                 .disable_plane = drm_atomic_helper_disable_plane,
 250                 .destroy = mdp5_plane_destroy,
 251                 .set_property = drm_atomic_helper_plane_set_property,
 252                 .atomic_set_property = mdp5_plane_atomic_set_property,
 253                 .atomic_get_property = mdp5_plane_atomic_get_property,
 254                 .reset = mdp5_plane_reset,
 255                 .atomic_duplicate_state = mdp5_plane_duplicate_state,
 256                 .atomic_destroy_state = mdp5_plane_destroy_state,
 257                 .atomic_print_state = mdp5_plane_atomic_print_state,
 258 };
 259
 260 static const struct drm_plane_funcs mdp5_cursor_plane_funcs = {
 261                 .update_plane = mdp5_update_cursor_plane_legacy,
 262                 .disable_plane = drm_atomic_helper_disable_plane,
 263                 .destroy = mdp5_plane_destroy,
 264                 .set_property = drm_atomic_helper_plane_set_property,
 265                 .atomic_set_property = mdp5_plane_atomic_set_property,
 266                 .atomic_get_property = mdp5_plane_atomic_get_property,
 267                 .reset = mdp5_plane_reset,
 268                 .atomic_duplicate_state = mdp5_plane_duplicate_state,
 269                 .atomic_destroy_state = mdp5_plane_destroy_state,
 270                 .atomic_print_state = mdp5_plane_atomic_print_state,
 271 };
 272
 273 static int mdp5_plane_prepare_fb(struct drm_plane *plane,
 274                                  struct drm_plane_state *new_state)
 275 {
 276         struct mdp5_kms *mdp5_kms = get_kms(plane);
 277         struct drm_framebuffer *fb = new_state->fb;
 278
 279         if (!new_state->fb)
 280                 return 0;
 281
 282         DBG("%s: prepare: FB[%u]", plane->name, fb->base.id);
 283         return msm_framebuffer_prepare(fb, mdp5_kms->id);
 284 }
 285
 286 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
 287                                   struct drm_plane_state *old_state)
 288 {
 289         struct mdp5_kms *mdp5_kms = get_kms(plane);
 290         struct drm_framebuffer *fb = old_state->fb;
 291
 292         if (!fb)
 293                 return;
 294
 295         DBG("%s: cleanup: FB[%u]", plane->name, fb->base.id);
 296         msm_framebuffer_cleanup(fb, mdp5_kms->id);
 297 }
 298
 299 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
 300 static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state,
 301                                               struct drm_plane_state *state)
 302 {
 303         struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
 304         struct drm_plane *plane = state->plane;
 305         struct drm_plane_state *old_state = plane->state;
 306         struct mdp5_cfg *config = mdp5_cfg_get_config(get_kms(plane)->cfg);
 307         bool new_hwpipe = false;
 308         bool need_right_hwpipe = false;
 309         uint32_t max_width, max_height;
 310         bool out_of_bounds = false;
 311         uint32_t caps = 0;
 312         struct drm_rect clip;
 313         int min_scale, max_scale;
 314         int ret;
 315
 316         DBG("%s: check (%d -> %d)", plane->name,
 317                         plane_enabled(old_state), plane_enabled(state));
 318
 319         max_width = config->hw->lm.max_width << 16;
 320         max_height = config->hw->lm.max_height << 16;
 321
 322         /* Make sure source dimensions are within bounds. */
 323         if (state->src_h > max_height)
 324                 out_of_bounds = true;
 325
 326         if (state->src_w > max_width) {
 327                 /* If source split is supported, we can go up to 2x
 328                  * the max LM width, but we'd need to stage another
 329                  * hwpipe to the right LM. So, the drm_plane would
 330                  * consist of 2 hwpipes.
 331                  */
 332                 if (config->hw->mdp.caps & MDP_CAP_SRC_SPLIT &&
 333                     (state->src_w <= 2 * max_width))
 334                         need_right_hwpipe = true;
 335                 else
 336                         out_of_bounds = true;
 337         }
 338
 339         if (out_of_bounds) {
 340                 struct drm_rect src = drm_plane_state_src(state);
 341                 DBG("Invalid source size "DRM_RECT_FP_FMT,
 342                                 DRM_RECT_FP_ARG(&src));
 343                 return -ERANGE;
 344         }
 345
 346         clip.x1 = 0;
 347         clip.y1 = 0;
 348         clip.x2 = crtc_state->adjusted_mode.hdisplay;
 349         clip.y2 = crtc_state->adjusted_mode.vdisplay;
 350         min_scale = FRAC_16_16(1, 8);
 351         max_scale = FRAC_16_16(8, 1);
 352
 353         ret = drm_plane_helper_check_state(state, &clip, min_scale,
 354                                            max_scale, true, true);
 355         if (ret)
 356                 return ret;
 357
 358         if (plane_enabled(state)) {
 359                 unsigned int rotation;
 360                 const struct mdp_format *format;
 361                 struct mdp5_kms *mdp5_kms = get_kms(plane);
 362                 uint32_t blkcfg = 0;
 363
 364                 format = to_mdp_format(msm_framebuffer_format(state->fb));
 365                 if (MDP_FORMAT_IS_YUV(format))
 366                         caps |= MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC;
 367
 368                 if (((state->src_w >> 16) != state->crtc_w) ||
 369                                 ((state->src_h >> 16) != state->crtc_h))
 370                         caps |= MDP_PIPE_CAP_SCALE;
 371
 372                 rotation = drm_rotation_simplify(state->rotation,
 373                                                  DRM_ROTATE_0 |
 374                                                  DRM_REFLECT_X |
 375                                                  DRM_REFLECT_Y);
 376
 377                 if (rotation & DRM_REFLECT_X)
 378                         caps |= MDP_PIPE_CAP_HFLIP;
 379
 380                 if (rotation & DRM_REFLECT_Y)
 381                         caps |= MDP_PIPE_CAP_VFLIP;
 382
 383                 if (plane->type == DRM_PLANE_TYPE_CURSOR)
 384                         caps |= MDP_PIPE_CAP_CURSOR;
 385
 386                 /* (re)allocate hw pipe if we don't have one or caps-mismatch: */
 387                 if (!mdp5_state->hwpipe || (caps & ~mdp5_state->hwpipe->caps))
 388                         new_hwpipe = true;
 389
 390                 /*
 391                  * (re)allocte hw pipe if we're either requesting for 2 hw pipes
 392                  * or we're switching from 2 hw pipes to 1 hw pipe because the
 393                  * new src_w can be supported by 1 hw pipe itself.
 394                  */
 395                 if ((need_right_hwpipe && !mdp5_state->r_hwpipe) ||
 396                     (!need_right_hwpipe && mdp5_state->r_hwpipe))
 397                         new_hwpipe = true;
 398
 399                 if (mdp5_kms->smp) {
 400                         const struct mdp_format *format =
 401                                 to_mdp_format(msm_framebuffer_format(state->fb));
 402
 403                         blkcfg = mdp5_smp_calculate(mdp5_kms->smp, format,
 404                                         state->src_w >> 16, false);
 405
 406                         if (mdp5_state->hwpipe && (mdp5_state->hwpipe->blkcfg != blkcfg))
 407                                 new_hwpipe = true;
 408                 }
 409
 410                 /* (re)assign hwpipe if needed, otherwise keep old one: */
 411                 if (new_hwpipe) {
 412                         /* TODO maybe we want to re-assign hwpipe sometimes
 413                          * in cases when we no-longer need some caps to make
 414                          * it available for other planes?
 415                          */
 416                         struct mdp5_hw_pipe *old_hwpipe = mdp5_state->hwpipe;
 417                         struct mdp5_hw_pipe *old_right_hwpipe =
 418                                                           mdp5_state->r_hwpipe;
 419
 420                         mdp5_state->hwpipe = mdp5_pipe_assign(state->state,
 421                                         plane, caps, blkcfg);
 422                         if (IS_ERR(mdp5_state->hwpipe)) {
 423                                 DBG("%s: failed to assign hwpipe!", plane->name);
 424                                 return PTR_ERR(mdp5_state->hwpipe);
 425                         }
 426
 427                         if (need_right_hwpipe) {
 428                                 mdp5_state->r_hwpipe =
 429                                         mdp5_pipe_assign(state->state, plane,
 430                                                          caps, blkcfg);
 431                                 if (IS_ERR(mdp5_state->r_hwpipe)) {
 432                                         DBG("%s: failed to assign right hwpipe",
 433                                             plane->name);
 434                                         return PTR_ERR(mdp5_state->r_hwpipe);
 435                                 }
 436                         } else {
 437                                 /*
 438                                  * set it to NULL so that the driver knows we
 439                                  * don't have a right hwpipe when committing a
 440                                  * new state
 441                                  */
 442                                 mdp5_state->r_hwpipe = NULL;
 443                         }
 444
 445                         mdp5_pipe_release(state->state, old_hwpipe);
 446                         mdp5_pipe_release(state->state, old_right_hwpipe);
 447                 }
 448         } else {
 449                 mdp5_pipe_release(state->state, mdp5_state->hwpipe);
 450                 mdp5_pipe_release(state->state, mdp5_state->r_hwpipe);
 451                 mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL;
 452         }
 453
 454         return 0;
 455 }
 456
 457 static int mdp5_plane_atomic_check(struct drm_plane *plane,
 458                                    struct drm_plane_state *state)
 459 {
 460         struct drm_crtc *crtc;
 461         struct drm_crtc_state *crtc_state;
 462
 463         crtc = state->crtc ? state->crtc : plane->state->crtc;
 464         if (!crtc)
 465                 return 0;
 466
 467         crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
 468         if (WARN_ON(!crtc_state))
 469                 return -EINVAL;
 470
 471         return mdp5_plane_atomic_check_with_state(crtc_state, state);
 472 }
 473
 474 static void mdp5_plane_atomic_update(struct drm_plane *plane,
 475                                      struct drm_plane_state *old_state)
 476 {
 477         struct drm_plane_state *state = plane->state;
 478
 479         DBG("%s: update", plane->name);
 480
 481         if (plane_enabled(state)) {
 482                 int ret;
 483
 484                 ret = mdp5_plane_mode_set(plane,
 485                                 state->crtc, state->fb,
 486                                 &state->src, &state->dst);
 487                 /* atomic_check should have ensured that this doesn't fail */
 488                 WARN_ON(ret < 0);
 489         }
 490 }
 491
 492 static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
 493                 .prepare_fb = mdp5_plane_prepare_fb,
 494                 .cleanup_fb = mdp5_plane_cleanup_fb,
 495                 .atomic_check = mdp5_plane_atomic_check,
 496                 .atomic_update = mdp5_plane_atomic_update,
 497 };
 498
 499 static void set_scanout_locked(struct mdp5_kms *mdp5_kms,
 500                                enum mdp5_pipe pipe,
 501                                struct drm_framebuffer *fb)
 502 {
 503         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
 504                         MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
 505                         MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
 506
 507         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
 508                         MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
 509                         MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
 510
 511         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
 512                         msm_framebuffer_iova(fb, mdp5_kms->id, 0));
 513         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
 514                         msm_framebuffer_iova(fb, mdp5_kms->id, 1));
 515         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
 516                         msm_framebuffer_iova(fb, mdp5_kms->id, 2));
 517         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
 518                         msm_framebuffer_iova(fb, mdp5_kms->id, 3));
 519 }
 520
 521 /* Note: mdp5_plane->pipe_lock must be locked */
 522 static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
 523 {
 524         uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
 525                          ~MDP5_PIPE_OP_MODE_CSC_1_EN;
 526
 527         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
 528 }
 529
 530 /* Note: mdp5_plane->pipe_lock must be locked */
 531 static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
 532                 struct csc_cfg *csc)
 533 {
 534         uint32_t  i, mode = 0; /* RGB, no CSC */
 535         uint32_t *matrix;
 536
 537         if (unlikely(!csc))
 538                 return;
 539
 540         if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
 541                 mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
 542         if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
 543                 mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
 544         mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
 545         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
 546
 547         matrix = csc->matrix;
 548         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
 549                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
 550                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
 551         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
 552                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
 553                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
 554         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
 555                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
 556                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
 557         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
 558                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
 559                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
 560         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
 561                         MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
 562
 563         for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
 564                 uint32_t *pre_clamp = csc->pre_clamp;
 565                 uint32_t *post_clamp = csc->post_clamp;
 566
 567                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
 568                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
 569                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
 570
 571                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
 572                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
 573                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
 574
 575                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
 576                         MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
 577
 578                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
 579                         MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
 580         }
 581 }
 582
 583 #define PHASE_STEP_SHIFT        21
 584 #define DOWN_SCALE_RATIO_MAX    32      /* 2^(26-21) */
 585
 586 static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
 587 {
 588         uint32_t unit;
 589
 590         if (src == 0 || dst == 0)
 591                 return -EINVAL;
 592
 593         /*
 594          * PHASE_STEP_X/Y is coded on 26 bits (25:0),
 595          * where 2^21 represents the unity "1" in fixed-point hardware design.
 596          * This leaves 5 bits for the integer part (downscale case):
 597          *      -> maximum downscale ratio = 0b1_1111 = 31
 598          */
 599         if (src > (dst * DOWN_SCALE_RATIO_MAX))
 600                 return -EOVERFLOW;
 601
 602         unit = 1 << PHASE_STEP_SHIFT;
 603         *out_phase = mult_frac(unit, src, dst);
 604
 605         return 0;
 606 }
 607
 608 static int calc_scalex_steps(struct drm_plane *plane,
 609                 uint32_t pixel_format, uint32_t src, uint32_t dest,
 610                 uint32_t phasex_steps[COMP_MAX])
 611 {
 612         struct mdp5_kms *mdp5_kms = get_kms(plane);
 613         struct device *dev = mdp5_kms->dev->dev;
 614         uint32_t phasex_step;
 615         unsigned int hsub;
 616         int ret;
 617
 618         ret = calc_phase_step(src, dest, &phasex_step);
 619         if (ret) {
 620                 dev_err(dev, "X scaling (%d->%d) failed: %d\n", src, dest, ret);
 621                 return ret;
 622         }
 623
 624         hsub = drm_format_horz_chroma_subsampling(pixel_format);
 625
 626         phasex_steps[COMP_0]   = phasex_step;
 627         phasex_steps[COMP_3]   = phasex_step;
 628         phasex_steps[COMP_1_2] = phasex_step / hsub;
 629
 630         return 0;
 631 }
 632
 633 static int calc_scaley_steps(struct drm_plane *plane,
 634                 uint32_t pixel_format, uint32_t src, uint32_t dest,
 635                 uint32_t phasey_steps[COMP_MAX])
 636 {
 637         struct mdp5_kms *mdp5_kms = get_kms(plane);
 638         struct device *dev = mdp5_kms->dev->dev;
 639         uint32_t phasey_step;
 640         unsigned int vsub;
 641         int ret;
 642
 643         ret = calc_phase_step(src, dest, &phasey_step);
 644         if (ret) {
 645                 dev_err(dev, "Y scaling (%d->%d) failed: %d\n", src, dest, ret);
 646                 return ret;
 647         }
 648
 649         vsub = drm_format_vert_chroma_subsampling(pixel_format);
 650
 651         phasey_steps[COMP_0]   = phasey_step;
 652         phasey_steps[COMP_3]   = phasey_step;
 653         phasey_steps[COMP_1_2] = phasey_step / vsub;
 654
 655         return 0;
 656 }
 657
 658 static uint32_t get_scale_config(const struct mdp_format *format,
 659                 uint32_t src, uint32_t dst, bool horz)
 660 {
 661         bool scaling = format->is_yuv ? true : (src != dst);
 662         uint32_t sub, pix_fmt = format->base.pixel_format;
 663         uint32_t ya_filter, uv_filter;
 664         bool yuv = format->is_yuv;
 665
 666         if (!scaling)
 667                 return 0;
 668
 669         if (yuv) {
 670                 sub = horz ? drm_format_horz_chroma_subsampling(pix_fmt) :
 671                              drm_format_vert_chroma_subsampling(pix_fmt);
 672                 uv_filter = ((src / sub) <= dst) ?
 673                                    SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
 674         }
 675         ya_filter = (src <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
 676
 677         if (horz)
 678                 return  MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
 679                         MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_0(ya_filter) |
 680                         MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_3(ya_filter) |
 681                         COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_1_2(uv_filter));
 682         else
 683                 return  MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
 684                         MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_0(ya_filter) |
 685                         MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_3(ya_filter) |
 686                         COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_1_2(uv_filter));
 687 }
 688
 689 static void calc_pixel_ext(const struct mdp_format *format,
 690                 uint32_t src, uint32_t dst, uint32_t phase_step[2],
 691                 int pix_ext_edge1[COMP_MAX], int pix_ext_edge2[COMP_MAX],
 692                 bool horz)
 693 {
 694         bool scaling = format->is_yuv ? true : (src != dst);
 695         int i;
 696
 697         /*
 698          * Note:
 699          * We assume here that:
 700          *     1. PCMN filter is used for downscale
 701          *     2. bilinear filter is used for upscale
 702          *     3. we are in a single pipe configuration
 703          */
 704
 705         for (i = 0; i < COMP_MAX; i++) {
 706                 pix_ext_edge1[i] = 0;
 707                 pix_ext_edge2[i] = scaling ? 1 : 0;
 708         }
 709 }
 710
 711 static void mdp5_write_pixel_ext(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
 712         const struct mdp_format *format,
 713         uint32_t src_w, int pe_left[COMP_MAX], int pe_right[COMP_MAX],
 714         uint32_t src_h, int pe_top[COMP_MAX], int pe_bottom[COMP_MAX])
 715 {
 716         uint32_t pix_fmt = format->base.pixel_format;
 717         uint32_t lr, tb, req;
 718         int i;
 719
 720         for (i = 0; i < COMP_MAX; i++) {
 721                 uint32_t roi_w = src_w;
 722                 uint32_t roi_h = src_h;
 723
 724                 if (format->is_yuv && i == COMP_1_2) {
 725                         roi_w /= drm_format_horz_chroma_subsampling(pix_fmt);
 726                         roi_h /= drm_format_vert_chroma_subsampling(pix_fmt);
 727                 }
 728
 729                 lr  = (pe_left[i] >= 0) ?
 730                         MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT(pe_left[i]) :
 731                         MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF(pe_left[i]);
 732
 733                 lr |= (pe_right[i] >= 0) ?
 734                         MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT(pe_right[i]) :
 735                         MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF(pe_right[i]);
 736
 737                 tb  = (pe_top[i] >= 0) ?
 738                         MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT(pe_top[i]) :
 739                         MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF(pe_top[i]);
 740
 741                 tb |= (pe_bottom[i] >= 0) ?
 742                         MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT(pe_bottom[i]) :
 743                         MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF(pe_bottom[i]);
 744
 745                 req  = MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT(roi_w +
 746                                 pe_left[i] + pe_right[i]);
 747
 748                 req |= MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM(roi_h +
 749                                 pe_top[i] + pe_bottom[i]);
 750
 751                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_LR(pipe, i), lr);
 752                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_TB(pipe, i), tb);
 753                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS(pipe, i), req);
 754
 755                 DBG("comp-%d (L/R): rpt=%d/%d, ovf=%d/%d, req=%d", i,
 756                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT),
 757                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT),
 758                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF),
 759                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF),
 760                         FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT));
 761
 762                 DBG("comp-%d (T/B): rpt=%d/%d, ovf=%d/%d, req=%d", i,
 763                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT),
 764                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT),
 765                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF),
 766                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF),
 767                         FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM));
 768         }
 769 }
 770
 771 struct pixel_ext {
 772         int left[COMP_MAX];
 773         int right[COMP_MAX];
 774         int top[COMP_MAX];
 775         int bottom[COMP_MAX];
 776 };
 777
 778 struct phase_step {
 779         u32 x[COMP_MAX];
 780         u32 y[COMP_MAX];
 781 };
 782
 783 static void mdp5_hwpipe_mode_set(struct mdp5_kms *mdp5_kms,
 784                                  struct mdp5_hw_pipe *hwpipe,
 785                                  struct drm_framebuffer *fb,
 786                                  struct phase_step *step,
 787                                  struct pixel_ext *pe,
 788                                  u32 scale_config, u32 hdecm, u32 vdecm,
 789                                  bool hflip, bool vflip,
 790                                  int crtc_x, int crtc_y,
 791                                  unsigned int crtc_w, unsigned int crtc_h,
 792                                  u32 src_img_w, u32 src_img_h,
 793                                  u32 src_x, u32 src_y,
 794                                  u32 src_w, u32 src_h)
 795 {
 796         enum mdp5_pipe pipe = hwpipe->pipe;
 797         bool has_pe = hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT;
 798         const struct mdp_format *format =
 799                         to_mdp_format(msm_framebuffer_format(fb));
 800
 801         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
 802                         MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_img_w) |
 803                         MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_img_h));
 804
 805         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
 806                         MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
 807                         MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
 808
 809         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
 810                         MDP5_PIPE_SRC_XY_X(src_x) |
 811                         MDP5_PIPE_SRC_XY_Y(src_y));
 812
 813         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
 814                         MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
 815                         MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
 816
 817         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
 818                         MDP5_PIPE_OUT_XY_X(crtc_x) |
 819                         MDP5_PIPE_OUT_XY_Y(crtc_y));
 820
 821         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
 822                         MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
 823                         MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
 824                         MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
 825                         MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
 826                         COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
 827                         MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
 828                         MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
 829                         COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
 830                         MDP5_PIPE_SRC_FORMAT_FETCH_TYPE(format->fetch_type) |
 831                         MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
 832
 833         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
 834                         MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
 835                         MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
 836                         MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
 837                         MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
 838
 839         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
 840                         (hflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_LR : 0) |
 841                         (vflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_UD : 0) |
 842                         COND(has_pe, MDP5_PIPE_SRC_OP_MODE_SW_PIX_EXT_OVERRIDE) |
 843                         MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
 844
 845         /* not using secure mode: */
 846         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
 847
 848         if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT)
 849                 mdp5_write_pixel_ext(mdp5_kms, pipe, format,
 850                                 src_w, pe->left, pe->right,
 851                                 src_h, pe->top, pe->bottom);
 852
 853         if (hwpipe->caps & MDP_PIPE_CAP_SCALE) {
 854                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
 855                                 step->x[COMP_0]);
 856                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
 857                                 step->y[COMP_0]);
 858                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
 859                                 step->x[COMP_1_2]);
 860                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
 861                                 step->y[COMP_1_2]);
 862                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
 863                                 MDP5_PIPE_DECIMATION_VERT(vdecm) |
 864                                 MDP5_PIPE_DECIMATION_HORZ(hdecm));
 865                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe),
 866                            scale_config);
 867         }
 868
 869         if (hwpipe->caps & MDP_PIPE_CAP_CSC) {
 870                 if (MDP_FORMAT_IS_YUV(format))
 871                         csc_enable(mdp5_kms, pipe,
 872                                         mdp_get_default_csc_cfg(CSC_YUV2RGB));
 873                 else
 874                         csc_disable(mdp5_kms, pipe);
 875         }
 876
 877         set_scanout_locked(mdp5_kms, pipe, fb);
 878 }
 879
 880 static int mdp5_plane_mode_set(struct drm_plane *plane,
 881                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
 882                 struct drm_rect *src, struct drm_rect *dest)
 883 {
 884         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 885         struct drm_plane_state *pstate = plane->state;
 886         struct mdp5_hw_pipe *hwpipe = to_mdp5_plane_state(pstate)->hwpipe;
 887         struct mdp5_kms *mdp5_kms = get_kms(plane);
 888         enum mdp5_pipe pipe = hwpipe->pipe;
 889         struct mdp5_hw_pipe *right_hwpipe;
 890         const struct mdp_format *format;
 891         uint32_t nplanes, config = 0;
 892         struct phase_step step = { 0 };
 893         struct pixel_ext pe = { 0 };
 894         uint32_t hdecm = 0, vdecm = 0;
 895         uint32_t pix_format;
 896         unsigned int rotation;
 897         bool vflip, hflip;
 898         int crtc_x, crtc_y;
 899         unsigned int crtc_w, crtc_h;
 900         uint32_t src_x, src_y;
 901         uint32_t src_w, src_h;
 902         uint32_t src_img_w, src_img_h;
 903         uint32_t src_x_r;
 904         int crtc_x_r;
 905         unsigned long flags;
 906         int ret;
 907
 908         nplanes = fb->format->num_planes;
 909
 910         /* bad formats should already be rejected: */
 911         if (WARN_ON(nplanes > pipe2nclients(pipe)))
 912                 return -EINVAL;
 913
 914         format = to_mdp_format(msm_framebuffer_format(fb));
 915         pix_format = format->base.pixel_format;
 916
 917         src_x = src->x1;
 918         src_y = src->y1;
 919         src_w = drm_rect_width(src);
 920         src_h = drm_rect_height(src);
 921
 922         crtc_x = dest->x1;
 923         crtc_y = dest->y1;
 924         crtc_w = drm_rect_width(dest);
 925         crtc_h = drm_rect_height(dest);
 926
 927         /* src values are in Q16 fixed point, convert to integer: */
 928         src_x = src_x >> 16;
 929         src_y = src_y >> 16;
 930         src_w = src_w >> 16;
 931         src_h = src_h >> 16;
 932
 933         src_img_w = min(fb->width, src_w);
 934         src_img_h = min(fb->height, src_h);
 935
 936         DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", plane->name,
 937                         fb->base.id, src_x, src_y, src_w, src_h,
 938                         crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
 939
 940         right_hwpipe = to_mdp5_plane_state(pstate)->r_hwpipe;
 941         if (right_hwpipe) {
 942                 /*
 943                  * if the plane comprises of 2 hw pipes, assume that the width
 944                  * is split equally across them. The only parameters that varies
 945                  * between the 2 pipes are src_x and crtc_x
 946                  */
 947                 crtc_w /= 2;
 948                 src_w /= 2;
 949                 src_img_w /= 2;
 950
 951                 crtc_x_r = crtc_x + crtc_w;
 952                 src_x_r = src_x + src_w;
 953         }
 954
 955         ret = calc_scalex_steps(plane, pix_format, src_w, crtc_w, step.x);
 956         if (ret)
 957                 return ret;
 958
 959         ret = calc_scaley_steps(plane, pix_format, src_h, crtc_h, step.y);
 960         if (ret)
 961                 return ret;
 962
 963         if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT) {
 964                 calc_pixel_ext(format, src_w, crtc_w, step.x,
 965                                pe.left, pe.right, true);
 966                 calc_pixel_ext(format, src_h, crtc_h, step.y,
 967                                pe.top, pe.bottom, false);
 968         }
 969
 970         /* TODO calc hdecm, vdecm */
 971
 972         /* SCALE is used to both scale and up-sample chroma components */
 973         config |= get_scale_config(format, src_w, crtc_w, true);
 974         config |= get_scale_config(format, src_h, crtc_h, false);
 975         DBG("scale config = %x", config);
 976
 977         rotation = drm_rotation_simplify(pstate->rotation,
 978                                          DRM_ROTATE_0 |
 979                                          DRM_REFLECT_X |
 980                                          DRM_REFLECT_Y);
 981         hflip = !!(rotation & DRM_REFLECT_X);
 982         vflip = !!(rotation & DRM_REFLECT_Y);
 983
 984         spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
 985
 986         mdp5_hwpipe_mode_set(mdp5_kms, hwpipe, fb, &step, &pe,
 987                              config, hdecm, vdecm, hflip, vflip,
 988                              crtc_x, crtc_y, crtc_w, crtc_h,
 989                              src_img_w, src_img_h,
 990                              src_x, src_y, src_w, src_h);
 991         if (right_hwpipe)
 992                 mdp5_hwpipe_mode_set(mdp5_kms, right_hwpipe, fb, &step, &pe,
 993                                      config, hdecm, vdecm, hflip, vflip,
 994                                      crtc_x_r, crtc_y, crtc_w, crtc_h,
 995                                      src_img_w, src_img_h,
 996                                      src_x_r, src_y, src_w, src_h);
 997
 998         spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
 999
1000         plane->fb = fb;
1001
1002         return ret;
1003 }
1004
1005 static int mdp5_update_cursor_plane_legacy(struct drm_plane *plane,
1006                         struct drm_crtc *crtc, struct drm_framebuffer *fb,
1007                         int crtc_x, int crtc_y,
1008                         unsigned int crtc_w, unsigned int crtc_h,
1009                         uint32_t src_x, uint32_t src_y,
1010                         uint32_t src_w, uint32_t src_h,
1011                         struct drm_modeset_acquire_ctx *ctx)
1012 {
1013         struct drm_plane_state *plane_state, *new_plane_state;
1014         struct mdp5_plane_state *mdp5_pstate;
1015         struct drm_crtc_state *crtc_state = crtc->state;
1016         int ret;
1017
1018         if (!crtc_state->active || drm_atomic_crtc_needs_modeset(crtc_state))
1019                 goto slow;
1020
1021         plane_state = plane->state;
1022         mdp5_pstate = to_mdp5_plane_state(plane_state);
1023
1024         /* don't use fast path if we don't have a hwpipe allocated yet */
1025         if (!mdp5_pstate->hwpipe)
1026                 goto slow;
1027
1028         /* only allow changing of position(crtc x/y or src x/y) in fast path */
1029         if (plane_state->crtc != crtc ||
1030             plane_state->src_w != src_w ||
1031             plane_state->src_h != src_h ||
1032             plane_state->crtc_w != crtc_w ||
1033             plane_state->crtc_h != crtc_h ||
1034             !plane_state->fb ||
1035             plane_state->fb != fb)
1036                 goto slow;
1037
1038         new_plane_state = mdp5_plane_duplicate_state(plane);
1039         if (!new_plane_state)
1040                 return -ENOMEM;
1041
1042         new_plane_state->src_x = src_x;
1043         new_plane_state->src_y = src_y;
1044         new_plane_state->src_w = src_w;
1045         new_plane_state->src_h = src_h;
1046         new_plane_state->crtc_x = crtc_x;
1047         new_plane_state->crtc_y = crtc_y;
1048         new_plane_state->crtc_w = crtc_w;
1049         new_plane_state->crtc_h = crtc_h;
1050
1051         ret = mdp5_plane_atomic_check_with_state(crtc_state, new_plane_state);
1052         if (ret)
1053                 goto slow_free;
1054
1055         if (new_plane_state->visible) {
1056                 struct mdp5_ctl *ctl;
1057                 struct mdp5_pipeline *pipeline = mdp5_crtc_get_pipeline(crtc);
1058
1059                 ret = mdp5_plane_mode_set(plane, crtc, fb,
1060                                           &new_plane_state->src,
1061                                           &new_plane_state->dst);
1062                 WARN_ON(ret < 0);
1063
1064                 ctl = mdp5_crtc_get_ctl(crtc);
1065
1066                 mdp5_ctl_commit(ctl, pipeline, mdp5_plane_get_flush(plane));
1067         }
1068
1069         *to_mdp5_plane_state(plane_state) =
1070                 *to_mdp5_plane_state(new_plane_state);
1071
1072         mdp5_plane_destroy_state(plane, new_plane_state);
1073
1074         return 0;
1075 slow_free:
1076         mdp5_plane_destroy_state(plane, new_plane_state);
1077 slow:
1078         return drm_atomic_helper_update_plane(plane, crtc, fb,
1079                                               crtc_x, crtc_y, crtc_w, crtc_h,
1080                                               src_x, src_y, src_w, src_h, ctx);
1081 }
1082
1083 /*
1084  * Use this func and the one below only after the atomic state has been
1085  * successfully swapped
1086  */
1087 enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
1088 {
1089         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1090
1091         if (WARN_ON(!pstate->hwpipe))
1092                 return SSPP_NONE;
1093
1094         return pstate->hwpipe->pipe;
1095 }
1096
1097 enum mdp5_pipe mdp5_plane_right_pipe(struct drm_plane *plane)
1098 {
1099         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1100
1101         if (!pstate->r_hwpipe)
1102                 return SSPP_NONE;
1103
1104         return pstate->r_hwpipe->pipe;
1105 }
1106
1107 uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
1108 {
1109         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1110         u32 mask;
1111
1112         if (WARN_ON(!pstate->hwpipe))
1113                 return 0;
1114
1115         mask = pstate->hwpipe->flush_mask;
1116
1117         if (pstate->r_hwpipe)
1118                 mask |= pstate->r_hwpipe->flush_mask;
1119
1120         return mask;
1121 }
1122
1123 /* initialize plane */
1124 struct drm_plane *mdp5_plane_init(struct drm_device *dev,
1125                                   enum drm_plane_type type)
1126 {
1127         struct drm_plane *plane = NULL;
1128         struct mdp5_plane *mdp5_plane;
1129         int ret;
1130
1131         mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
1132         if (!mdp5_plane) {
1133                 ret = -ENOMEM;
1134                 goto fail;
1135         }
1136
1137         plane = &mdp5_plane->base;
1138
1139         mdp5_plane->nformats = mdp_get_formats(mdp5_plane->formats,
1140                 ARRAY_SIZE(mdp5_plane->formats), false);
1141
1142         spin_lock_init(&mdp5_plane->pipe_lock);
1143
1144         if (type == DRM_PLANE_TYPE_CURSOR)
1145                 ret = drm_universal_plane_init(dev, plane, 0xff,
1146                                 &mdp5_cursor_plane_funcs,
1147                                 mdp5_plane->formats, mdp5_plane->nformats,
1148                                 type, NULL);
1149         else
1150                 ret = drm_universal_plane_init(dev, plane, 0xff,
1151                                 &mdp5_plane_funcs,
1152                                 mdp5_plane->formats, mdp5_plane->nformats,
1153                                 type, NULL);
1154         if (ret)
1155                 goto fail;
1156
1157         drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
1158
1159         mdp5_plane_install_properties(plane, &plane->base);
1160
1161         return plane;
1162
1163 fail:
1164         if (plane)
1165                 mdp5_plane_destroy(plane);
1166
1167         return ERR_PTR(ret);
1168 }