drivers/gpu/drm/msm/disp/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         uint32_t nformats;
  26         uint32_t formats[32];
  27 };
  28 #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
  29
  30 static int mdp5_plane_mode_set(struct drm_plane *plane,
  31                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
  32                 struct drm_rect *src, struct drm_rect *dest);
  33
  34 static struct mdp5_kms *get_kms(struct drm_plane *plane)
  35 {
  36         struct msm_drm_private *priv = plane->dev->dev_private;
  37         return to_mdp5_kms(to_mdp_kms(priv->kms));
  38 }
  39
  40 static bool plane_enabled(struct drm_plane_state *state)
  41 {
  42         return state->visible;
  43 }
  44
  45 static void mdp5_plane_destroy(struct drm_plane *plane)
  46 {
  47         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
  48
  49         drm_plane_helper_disable(plane, NULL);
  50         drm_plane_cleanup(plane);
  51
  52         kfree(mdp5_plane);
  53 }
  54
  55 static void mdp5_plane_install_rotation_property(struct drm_device *dev,
  56                 struct drm_plane *plane)
  57 {
  58         drm_plane_create_rotation_property(plane,
  59                                            DRM_MODE_ROTATE_0,
  60                                            DRM_MODE_ROTATE_0 |
  61                                            DRM_MODE_ROTATE_180 |
  62                                            DRM_MODE_REFLECT_X |
  63                                            DRM_MODE_REFLECT_Y);
  64 }
  65
  66 /* helper to install properties which are common to planes and crtcs */
  67 static void mdp5_plane_install_properties(struct drm_plane *plane,
  68                 struct drm_mode_object *obj)
  69 {
  70         struct drm_device *dev = plane->dev;
  71         struct msm_drm_private *dev_priv = dev->dev_private;
  72         struct drm_property *prop;
  73
  74 #define INSTALL_PROPERTY(name, NAME, init_val, fnc, ...) do { \
  75                 prop = dev_priv->plane_property[PLANE_PROP_##NAME]; \
  76                 if (!prop) { \
  77                         prop = drm_property_##fnc(dev, 0, #name, \
  78                                 ##__VA_ARGS__); \
  79                         if (!prop) { \
  80                                 dev_warn(dev->dev, \
  81                                         "Create property %s failed\n", \
  82                                         #name); \
  83                                 return; \
  84                         } \
  85                         dev_priv->plane_property[PLANE_PROP_##NAME] = prop; \
  86                 } \
  87                 drm_object_attach_property(&plane->base, prop, init_val); \
  88         } while (0)
  89
  90 #define INSTALL_RANGE_PROPERTY(name, NAME, min, max, init_val) \
  91                 INSTALL_PROPERTY(name, NAME, init_val, \
  92                                 create_range, min, max)
  93
  94 #define INSTALL_ENUM_PROPERTY(name, NAME, init_val) \
  95                 INSTALL_PROPERTY(name, NAME, init_val, \
  96                                 create_enum, name##_prop_enum_list, \
  97                                 ARRAY_SIZE(name##_prop_enum_list))
  98
  99         INSTALL_RANGE_PROPERTY(zpos, ZPOS, 1, 255, 1);
 100
 101         mdp5_plane_install_rotation_property(dev, plane);
 102
 103 #undef INSTALL_RANGE_PROPERTY
 104 #undef INSTALL_ENUM_PROPERTY
 105 #undef INSTALL_PROPERTY
 106 }
 107
 108 static int mdp5_plane_atomic_set_property(struct drm_plane *plane,
 109                 struct drm_plane_state *state, struct drm_property *property,
 110                 uint64_t val)
 111 {
 112         struct drm_device *dev = plane->dev;
 113         struct mdp5_plane_state *pstate;
 114         struct msm_drm_private *dev_priv = dev->dev_private;
 115         int ret = 0;
 116
 117         pstate = to_mdp5_plane_state(state);
 118
 119 #define SET_PROPERTY(name, NAME, type) do { \
 120                 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
 121                         pstate->name = (type)val; \
 122                         DBG("Set property %s %d", #name, (type)val); \
 123                         goto done; \
 124                 } \
 125         } while (0)
 126
 127         SET_PROPERTY(zpos, ZPOS, uint8_t);
 128
 129         dev_err(dev->dev, "Invalid property\n");
 130         ret = -EINVAL;
 131 done:
 132         return ret;
 133 #undef SET_PROPERTY
 134 }
 135
 136 static int mdp5_plane_atomic_get_property(struct drm_plane *plane,
 137                 const struct drm_plane_state *state,
 138                 struct drm_property *property, uint64_t *val)
 139 {
 140         struct drm_device *dev = plane->dev;
 141         struct mdp5_plane_state *pstate;
 142         struct msm_drm_private *dev_priv = dev->dev_private;
 143         int ret = 0;
 144
 145         pstate = to_mdp5_plane_state(state);
 146
 147 #define GET_PROPERTY(name, NAME, type) do { \
 148                 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
 149                         *val = pstate->name; \
 150                         DBG("Get property %s %lld", #name, *val); \
 151                         goto done; \
 152                 } \
 153         } while (0)
 154
 155         GET_PROPERTY(zpos, ZPOS, uint8_t);
 156
 157         dev_err(dev->dev, "Invalid property\n");
 158         ret = -EINVAL;
 159 done:
 160         return ret;
 161 #undef SET_PROPERTY
 162 }
 163
 164 static void
 165 mdp5_plane_atomic_print_state(struct drm_printer *p,
 166                 const struct drm_plane_state *state)
 167 {
 168         struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
 169         struct mdp5_kms *mdp5_kms = get_kms(state->plane);
 170
 171         drm_printf(p, "\thwpipe=%s\n", pstate->hwpipe ?
 172                         pstate->hwpipe->name : "(null)");
 173         if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT)
 174                 drm_printf(p, "\tright-hwpipe=%s\n",
 175                            pstate->r_hwpipe ? pstate->r_hwpipe->name :
 176                                               "(null)");
 177         drm_printf(p, "\tpremultiplied=%u\n", pstate->premultiplied);
 178         drm_printf(p, "\tzpos=%u\n", pstate->zpos);
 179         drm_printf(p, "\talpha=%u\n", pstate->alpha);
 180         drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
 181 }
 182
 183 static void mdp5_plane_reset(struct drm_plane *plane)
 184 {
 185         struct mdp5_plane_state *mdp5_state;
 186
 187         if (plane->state && plane->state->fb)
 188                 drm_framebuffer_unreference(plane->state->fb);
 189
 190         kfree(to_mdp5_plane_state(plane->state));
 191         mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
 192
 193         /* assign default blend parameters */
 194         mdp5_state->alpha = 255;
 195         mdp5_state->premultiplied = 0;
 196
 197         if (plane->type == DRM_PLANE_TYPE_PRIMARY)
 198                 mdp5_state->zpos = STAGE_BASE;
 199         else
 200                 mdp5_state->zpos = STAGE0 + drm_plane_index(plane);
 201
 202         mdp5_state->base.plane = plane;
 203
 204         plane->state = &mdp5_state->base;
 205 }
 206
 207 static struct drm_plane_state *
 208 mdp5_plane_duplicate_state(struct drm_plane *plane)
 209 {
 210         struct mdp5_plane_state *mdp5_state;
 211
 212         if (WARN_ON(!plane->state))
 213                 return NULL;
 214
 215         mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
 216                         sizeof(*mdp5_state), GFP_KERNEL);
 217         if (!mdp5_state)
 218                 return NULL;
 219
 220         __drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base);
 221
 222         return &mdp5_state->base;
 223 }
 224
 225 static void mdp5_plane_destroy_state(struct drm_plane *plane,
 226                 struct drm_plane_state *state)
 227 {
 228         struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
 229
 230         if (state->fb)
 231                 drm_framebuffer_unreference(state->fb);
 232
 233         kfree(pstate);
 234 }
 235
 236 static const struct drm_plane_funcs mdp5_plane_funcs = {
 237                 .update_plane = drm_atomic_helper_update_plane,
 238                 .disable_plane = drm_atomic_helper_disable_plane,
 239                 .destroy = mdp5_plane_destroy,
 240                 .atomic_set_property = mdp5_plane_atomic_set_property,
 241                 .atomic_get_property = mdp5_plane_atomic_get_property,
 242                 .reset = mdp5_plane_reset,
 243                 .atomic_duplicate_state = mdp5_plane_duplicate_state,
 244                 .atomic_destroy_state = mdp5_plane_destroy_state,
 245                 .atomic_print_state = mdp5_plane_atomic_print_state,
 246 };
 247
 248 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
 249                                   struct drm_plane_state *old_state)
 250 {
 251         struct mdp5_kms *mdp5_kms = get_kms(plane);
 252         struct msm_kms *kms = &mdp5_kms->base.base;
 253         struct drm_framebuffer *fb = old_state->fb;
 254
 255         if (!fb)
 256                 return;
 257
 258         DBG("%s: cleanup: FB[%u]", plane->name, fb->base.id);
 259         msm_framebuffer_cleanup(fb, kms->aspace);
 260 }
 261
 262 static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state,
 263                                               struct drm_plane_state *state)
 264 {
 265         struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
 266         struct drm_plane *plane = state->plane;
 267         struct drm_plane_state *old_state = plane->state;
 268         struct mdp5_cfg *config = mdp5_cfg_get_config(get_kms(plane)->cfg);
 269         bool new_hwpipe = false;
 270         bool need_right_hwpipe = false;
 271         uint32_t max_width, max_height;
 272         bool out_of_bounds = false;
 273         uint32_t caps = 0;
 274         int min_scale, max_scale;
 275         int ret;
 276
 277         DBG("%s: check (%d -> %d)", plane->name,
 278                         plane_enabled(old_state), plane_enabled(state));
 279
 280         max_width = config->hw->lm.max_width << 16;
 281         max_height = config->hw->lm.max_height << 16;
 282
 283         /* Make sure source dimensions are within bounds. */
 284         if (state->src_h > max_height)
 285                 out_of_bounds = true;
 286
 287         if (state->src_w > max_width) {
 288                 /* If source split is supported, we can go up to 2x
 289                  * the max LM width, but we'd need to stage another
 290                  * hwpipe to the right LM. So, the drm_plane would
 291                  * consist of 2 hwpipes.
 292                  */
 293                 if (config->hw->mdp.caps & MDP_CAP_SRC_SPLIT &&
 294                     (state->src_w <= 2 * max_width))
 295                         need_right_hwpipe = true;
 296                 else
 297                         out_of_bounds = true;
 298         }
 299
 300         if (out_of_bounds) {
 301                 struct drm_rect src = drm_plane_state_src(state);
 302                 DBG("Invalid source size "DRM_RECT_FP_FMT,
 303                                 DRM_RECT_FP_ARG(&src));
 304                 return -ERANGE;
 305         }
 306
 307         min_scale = FRAC_16_16(1, 8);
 308         max_scale = FRAC_16_16(8, 1);
 309
 310         ret = drm_atomic_helper_check_plane_state(state, crtc_state,
 311                                                   min_scale, max_scale,
 312                                                   true, true);
 313         if (ret)
 314                 return ret;
 315
 316         if (plane_enabled(state)) {
 317                 unsigned int rotation;
 318                 const struct mdp_format *format;
 319                 struct mdp5_kms *mdp5_kms = get_kms(plane);
 320                 uint32_t blkcfg = 0;
 321
 322                 format = to_mdp_format(msm_framebuffer_format(state->fb));
 323                 if (MDP_FORMAT_IS_YUV(format))
 324                         caps |= MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC;
 325
 326                 if (((state->src_w >> 16) != state->crtc_w) ||
 327                                 ((state->src_h >> 16) != state->crtc_h))
 328                         caps |= MDP_PIPE_CAP_SCALE;
 329
 330                 rotation = drm_rotation_simplify(state->rotation,
 331                                                  DRM_MODE_ROTATE_0 |
 332                                                  DRM_MODE_REFLECT_X |
 333                                                  DRM_MODE_REFLECT_Y);
 334
 335                 if (rotation & DRM_MODE_REFLECT_X)
 336                         caps |= MDP_PIPE_CAP_HFLIP;
 337
 338                 if (rotation & DRM_MODE_REFLECT_Y)
 339                         caps |= MDP_PIPE_CAP_VFLIP;
 340
 341                 if (plane->type == DRM_PLANE_TYPE_CURSOR)
 342                         caps |= MDP_PIPE_CAP_CURSOR;
 343
 344                 /* (re)allocate hw pipe if we don't have one or caps-mismatch: */
 345                 if (!mdp5_state->hwpipe || (caps & ~mdp5_state->hwpipe->caps))
 346                         new_hwpipe = true;
 347
 348                 /*
 349                  * (re)allocte hw pipe if we're either requesting for 2 hw pipes
 350                  * or we're switching from 2 hw pipes to 1 hw pipe because the
 351                  * new src_w can be supported by 1 hw pipe itself.
 352                  */
 353                 if ((need_right_hwpipe && !mdp5_state->r_hwpipe) ||
 354                     (!need_right_hwpipe && mdp5_state->r_hwpipe))
 355                         new_hwpipe = true;
 356
 357                 if (mdp5_kms->smp) {
 358                         const struct mdp_format *format =
 359                                 to_mdp_format(msm_framebuffer_format(state->fb));
 360
 361                         blkcfg = mdp5_smp_calculate(mdp5_kms->smp, format,
 362                                         state->src_w >> 16, false);
 363
 364                         if (mdp5_state->hwpipe && (mdp5_state->hwpipe->blkcfg != blkcfg))
 365                                 new_hwpipe = true;
 366                 }
 367
 368                 /* (re)assign hwpipe if needed, otherwise keep old one: */
 369                 if (new_hwpipe) {
 370                         /* TODO maybe we want to re-assign hwpipe sometimes
 371                          * in cases when we no-longer need some caps to make
 372                          * it available for other planes?
 373                          */
 374                         struct mdp5_hw_pipe *old_hwpipe = mdp5_state->hwpipe;
 375                         struct mdp5_hw_pipe *old_right_hwpipe =
 376                                                           mdp5_state->r_hwpipe;
 377                         struct mdp5_hw_pipe *new_hwpipe = NULL;
 378                         struct mdp5_hw_pipe *new_right_hwpipe = NULL;
 379
 380                         ret = mdp5_pipe_assign(state->state, plane, caps,
 381                                                blkcfg, &new_hwpipe,
 382                                                need_right_hwpipe ?
 383                                                &new_right_hwpipe : NULL);
 384                         if (ret) {
 385                                 DBG("%s: failed to assign hwpipe(s)!",
 386                                     plane->name);
 387                                 return ret;
 388                         }
 389
 390                         mdp5_state->hwpipe = new_hwpipe;
 391                         if (need_right_hwpipe)
 392                                 mdp5_state->r_hwpipe = new_right_hwpipe;
 393                         else
 394                                 /*
 395                                  * set it to NULL so that the driver knows we
 396                                  * don't have a right hwpipe when committing a
 397                                  * new state
 398                                  */
 399                                 mdp5_state->r_hwpipe = NULL;
 400
 401
 402                         mdp5_pipe_release(state->state, old_hwpipe);
 403                         mdp5_pipe_release(state->state, old_right_hwpipe);
 404                 }
 405         } else {
 406                 mdp5_pipe_release(state->state, mdp5_state->hwpipe);
 407                 mdp5_pipe_release(state->state, mdp5_state->r_hwpipe);
 408                 mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL;
 409         }
 410
 411         return 0;
 412 }
 413
 414 static int mdp5_plane_atomic_check(struct drm_plane *plane,
 415                                    struct drm_plane_state *state)
 416 {
 417         struct drm_crtc *crtc;
 418         struct drm_crtc_state *crtc_state;
 419
 420         crtc = state->crtc ? state->crtc : plane->state->crtc;
 421         if (!crtc)
 422                 return 0;
 423
 424         crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
 425         if (WARN_ON(!crtc_state))
 426                 return -EINVAL;
 427
 428         return mdp5_plane_atomic_check_with_state(crtc_state, state);
 429 }
 430
 431 static void mdp5_plane_atomic_update(struct drm_plane *plane,
 432                                      struct drm_plane_state *old_state)
 433 {
 434         struct drm_plane_state *state = plane->state;
 435
 436         DBG("%s: update", plane->name);
 437
 438         if (plane_enabled(state)) {
 439                 int ret;
 440
 441                 ret = mdp5_plane_mode_set(plane,
 442                                 state->crtc, state->fb,
 443                                 &state->src, &state->dst);
 444                 /* atomic_check should have ensured that this doesn't fail */
 445                 WARN_ON(ret < 0);
 446         }
 447 }
 448
 449 static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
 450                                          struct drm_plane_state *state)
 451 {
 452         struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
 453         struct drm_crtc_state *crtc_state;
 454         int min_scale, max_scale;
 455         int ret;
 456
 457         crtc_state = drm_atomic_get_existing_crtc_state(state->state,
 458                                                         state->crtc);
 459         if (WARN_ON(!crtc_state))
 460                 return -EINVAL;
 461
 462         if (!crtc_state->active)
 463                 return -EINVAL;
 464
 465         mdp5_state = to_mdp5_plane_state(state);
 466
 467         /* don't use fast path if we don't have a hwpipe allocated yet */
 468         if (!mdp5_state->hwpipe)
 469                 return -EINVAL;
 470
 471         /* only allow changing of position(crtc x/y or src x/y) in fast path */
 472         if (plane->state->crtc != state->crtc ||
 473             plane->state->src_w != state->src_w ||
 474             plane->state->src_h != state->src_h ||
 475             plane->state->crtc_w != state->crtc_w ||
 476             plane->state->crtc_h != state->crtc_h ||
 477             !plane->state->fb ||
 478             plane->state->fb != state->fb)
 479                 return -EINVAL;
 480
 481         min_scale = FRAC_16_16(1, 8);
 482         max_scale = FRAC_16_16(8, 1);
 483
 484         ret = drm_atomic_helper_check_plane_state(state, crtc_state,
 485                                                   min_scale, max_scale,
 486                                                   true, true);
 487         if (ret)
 488                 return ret;
 489
 490         /*
 491          * if the visibility of the plane changes (i.e, if the cursor is
 492          * clipped out completely, we can't take the async path because
 493          * we need to stage/unstage the plane from the Layer Mixer(s). We
 494          * also assign/unassign the hwpipe(s) tied to the plane. We avoid
 495          * taking the fast path for both these reasons.
 496          */
 497         if (state->visible != plane->state->visible)
 498                 return -EINVAL;
 499
 500         return 0;
 501 }
 502
 503 static void mdp5_plane_atomic_async_update(struct drm_plane *plane,
 504                                            struct drm_plane_state *new_state)
 505 {
 506         struct drm_framebuffer *old_fb = plane->state->fb;
 507
 508         plane->state->src_x = new_state->src_x;
 509         plane->state->src_y = new_state->src_y;
 510         plane->state->crtc_x = new_state->crtc_x;
 511         plane->state->crtc_y = new_state->crtc_y;
 512
 513         if (plane_enabled(new_state)) {
 514                 struct mdp5_ctl *ctl;
 515                 struct mdp5_pipeline *pipeline =
 516                                         mdp5_crtc_get_pipeline(new_state->crtc);
 517                 int ret;
 518
 519                 ret = mdp5_plane_mode_set(plane, new_state->crtc, new_state->fb,
 520                                 &new_state->src, &new_state->dst);
 521                 WARN_ON(ret < 0);
 522
 523                 ctl = mdp5_crtc_get_ctl(new_state->crtc);
 524
 525                 mdp5_ctl_commit(ctl, pipeline, mdp5_plane_get_flush(plane), true);
 526         }
 527
 528         *to_mdp5_plane_state(plane->state) =
 529                 *to_mdp5_plane_state(new_state);
 530
 531         new_state->fb = old_fb;
 532 }
 533
 534 static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
 535                 .prepare_fb = msm_atomic_prepare_fb,
 536                 .cleanup_fb = mdp5_plane_cleanup_fb,
 537                 .atomic_check = mdp5_plane_atomic_check,
 538                 .atomic_update = mdp5_plane_atomic_update,
 539                 .atomic_async_check = mdp5_plane_atomic_async_check,
 540                 .atomic_async_update = mdp5_plane_atomic_async_update,
 541 };
 542
 543 static void set_scanout_locked(struct mdp5_kms *mdp5_kms,
 544                                enum mdp5_pipe pipe,
 545                                struct drm_framebuffer *fb)
 546 {
 547         struct msm_kms *kms = &mdp5_kms->base.base;
 548
 549         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
 550                         MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
 551                         MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
 552
 553         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
 554                         MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
 555                         MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
 556
 557         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
 558                         msm_framebuffer_iova(fb, kms->aspace, 0));
 559         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
 560                         msm_framebuffer_iova(fb, kms->aspace, 1));
 561         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
 562                         msm_framebuffer_iova(fb, kms->aspace, 2));
 563         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
 564                         msm_framebuffer_iova(fb, kms->aspace, 3));
 565 }
 566
 567 /* Note: mdp5_plane->pipe_lock must be locked */
 568 static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
 569 {
 570         uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
 571                          ~MDP5_PIPE_OP_MODE_CSC_1_EN;
 572
 573         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
 574 }
 575
 576 /* Note: mdp5_plane->pipe_lock must be locked */
 577 static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
 578                 struct csc_cfg *csc)
 579 {
 580         uint32_t  i, mode = 0; /* RGB, no CSC */
 581         uint32_t *matrix;
 582
 583         if (unlikely(!csc))
 584                 return;
 585
 586         if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
 587                 mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
 588         if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
 589                 mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
 590         mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
 591         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
 592
 593         matrix = csc->matrix;
 594         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
 595                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
 596                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
 597         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
 598                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
 599                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
 600         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
 601                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
 602                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
 603         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
 604                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
 605                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
 606         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
 607                         MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
 608
 609         for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
 610                 uint32_t *pre_clamp = csc->pre_clamp;
 611                 uint32_t *post_clamp = csc->post_clamp;
 612
 613                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
 614                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
 615                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
 616
 617                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
 618                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
 619                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
 620
 621                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
 622                         MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
 623
 624                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
 625                         MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
 626         }
 627 }
 628
 629 #define PHASE_STEP_SHIFT        21
 630 #define DOWN_SCALE_RATIO_MAX    32      /* 2^(26-21) */
 631
 632 static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
 633 {
 634         uint32_t unit;
 635
 636         if (src == 0 || dst == 0)
 637                 return -EINVAL;
 638
 639         /*
 640          * PHASE_STEP_X/Y is coded on 26 bits (25:0),
 641          * where 2^21 represents the unity "1" in fixed-point hardware design.
 642          * This leaves 5 bits for the integer part (downscale case):
 643          *      -> maximum downscale ratio = 0b1_1111 = 31
 644          */
 645         if (src > (dst * DOWN_SCALE_RATIO_MAX))
 646                 return -EOVERFLOW;
 647
 648         unit = 1 << PHASE_STEP_SHIFT;
 649         *out_phase = mult_frac(unit, src, dst);
 650
 651         return 0;
 652 }
 653
 654 static int calc_scalex_steps(struct drm_plane *plane,
 655                 uint32_t pixel_format, uint32_t src, uint32_t dest,
 656                 uint32_t phasex_steps[COMP_MAX])
 657 {
 658         struct mdp5_kms *mdp5_kms = get_kms(plane);
 659         struct device *dev = mdp5_kms->dev->dev;
 660         uint32_t phasex_step;
 661         unsigned int hsub;
 662         int ret;
 663
 664         ret = calc_phase_step(src, dest, &phasex_step);
 665         if (ret) {
 666                 dev_err(dev, "X scaling (%d->%d) failed: %d\n", src, dest, ret);
 667                 return ret;
 668         }
 669
 670         hsub = drm_format_horz_chroma_subsampling(pixel_format);
 671
 672         phasex_steps[COMP_0]   = phasex_step;
 673         phasex_steps[COMP_3]   = phasex_step;
 674         phasex_steps[COMP_1_2] = phasex_step / hsub;
 675
 676         return 0;
 677 }
 678
 679 static int calc_scaley_steps(struct drm_plane *plane,
 680                 uint32_t pixel_format, uint32_t src, uint32_t dest,
 681                 uint32_t phasey_steps[COMP_MAX])
 682 {
 683         struct mdp5_kms *mdp5_kms = get_kms(plane);
 684         struct device *dev = mdp5_kms->dev->dev;
 685         uint32_t phasey_step;
 686         unsigned int vsub;
 687         int ret;
 688
 689         ret = calc_phase_step(src, dest, &phasey_step);
 690         if (ret) {
 691                 dev_err(dev, "Y scaling (%d->%d) failed: %d\n", src, dest, ret);
 692                 return ret;
 693         }
 694
 695         vsub = drm_format_vert_chroma_subsampling(pixel_format);
 696
 697         phasey_steps[COMP_0]   = phasey_step;
 698         phasey_steps[COMP_3]   = phasey_step;
 699         phasey_steps[COMP_1_2] = phasey_step / vsub;
 700
 701         return 0;
 702 }
 703
 704 static uint32_t get_scale_config(const struct mdp_format *format,
 705                 uint32_t src, uint32_t dst, bool horz)
 706 {
 707         bool scaling = format->is_yuv ? true : (src != dst);
 708         uint32_t sub, pix_fmt = format->base.pixel_format;
 709         uint32_t ya_filter, uv_filter;
 710         bool yuv = format->is_yuv;
 711
 712         if (!scaling)
 713                 return 0;
 714
 715         if (yuv) {
 716                 sub = horz ? drm_format_horz_chroma_subsampling(pix_fmt) :
 717                              drm_format_vert_chroma_subsampling(pix_fmt);
 718                 uv_filter = ((src / sub) <= dst) ?
 719                                    SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
 720         }
 721         ya_filter = (src <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
 722
 723         if (horz)
 724                 return  MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
 725                         MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_0(ya_filter) |
 726                         MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_3(ya_filter) |
 727                         COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_1_2(uv_filter));
 728         else
 729                 return  MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
 730                         MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_0(ya_filter) |
 731                         MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_3(ya_filter) |
 732                         COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_1_2(uv_filter));
 733 }
 734
 735 static void calc_pixel_ext(const struct mdp_format *format,
 736                 uint32_t src, uint32_t dst, uint32_t phase_step[2],
 737                 int pix_ext_edge1[COMP_MAX], int pix_ext_edge2[COMP_MAX],
 738                 bool horz)
 739 {
 740         bool scaling = format->is_yuv ? true : (src != dst);
 741         int i;
 742
 743         /*
 744          * Note:
 745          * We assume here that:
 746          *     1. PCMN filter is used for downscale
 747          *     2. bilinear filter is used for upscale
 748          *     3. we are in a single pipe configuration
 749          */
 750
 751         for (i = 0; i < COMP_MAX; i++) {
 752                 pix_ext_edge1[i] = 0;
 753                 pix_ext_edge2[i] = scaling ? 1 : 0;
 754         }
 755 }
 756
 757 static void mdp5_write_pixel_ext(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
 758         const struct mdp_format *format,
 759         uint32_t src_w, int pe_left[COMP_MAX], int pe_right[COMP_MAX],
 760         uint32_t src_h, int pe_top[COMP_MAX], int pe_bottom[COMP_MAX])
 761 {
 762         uint32_t pix_fmt = format->base.pixel_format;
 763         uint32_t lr, tb, req;
 764         int i;
 765
 766         for (i = 0; i < COMP_MAX; i++) {
 767                 uint32_t roi_w = src_w;
 768                 uint32_t roi_h = src_h;
 769
 770                 if (format->is_yuv && i == COMP_1_2) {
 771                         roi_w /= drm_format_horz_chroma_subsampling(pix_fmt);
 772                         roi_h /= drm_format_vert_chroma_subsampling(pix_fmt);
 773                 }
 774
 775                 lr  = (pe_left[i] >= 0) ?
 776                         MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT(pe_left[i]) :
 777                         MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF(pe_left[i]);
 778
 779                 lr |= (pe_right[i] >= 0) ?
 780                         MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT(pe_right[i]) :
 781                         MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF(pe_right[i]);
 782
 783                 tb  = (pe_top[i] >= 0) ?
 784                         MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT(pe_top[i]) :
 785                         MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF(pe_top[i]);
 786
 787                 tb |= (pe_bottom[i] >= 0) ?
 788                         MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT(pe_bottom[i]) :
 789                         MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF(pe_bottom[i]);
 790
 791                 req  = MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT(roi_w +
 792                                 pe_left[i] + pe_right[i]);
 793
 794                 req |= MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM(roi_h +
 795                                 pe_top[i] + pe_bottom[i]);
 796
 797                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_LR(pipe, i), lr);
 798                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_TB(pipe, i), tb);
 799                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS(pipe, i), req);
 800
 801                 DBG("comp-%d (L/R): rpt=%d/%d, ovf=%d/%d, req=%d", i,
 802                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT),
 803                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT),
 804                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF),
 805                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF),
 806                         FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT));
 807
 808                 DBG("comp-%d (T/B): rpt=%d/%d, ovf=%d/%d, req=%d", i,
 809                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT),
 810                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT),
 811                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF),
 812                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF),
 813                         FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM));
 814         }
 815 }
 816
 817 struct pixel_ext {
 818         int left[COMP_MAX];
 819         int right[COMP_MAX];
 820         int top[COMP_MAX];
 821         int bottom[COMP_MAX];
 822 };
 823
 824 struct phase_step {
 825         u32 x[COMP_MAX];
 826         u32 y[COMP_MAX];
 827 };
 828
 829 static void mdp5_hwpipe_mode_set(struct mdp5_kms *mdp5_kms,
 830                                  struct mdp5_hw_pipe *hwpipe,
 831                                  struct drm_framebuffer *fb,
 832                                  struct phase_step *step,
 833                                  struct pixel_ext *pe,
 834                                  u32 scale_config, u32 hdecm, u32 vdecm,
 835                                  bool hflip, bool vflip,
 836                                  int crtc_x, int crtc_y,
 837                                  unsigned int crtc_w, unsigned int crtc_h,
 838                                  u32 src_img_w, u32 src_img_h,
 839                                  u32 src_x, u32 src_y,
 840                                  u32 src_w, u32 src_h)
 841 {
 842         enum mdp5_pipe pipe = hwpipe->pipe;
 843         bool has_pe = hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT;
 844         const struct mdp_format *format =
 845                         to_mdp_format(msm_framebuffer_format(fb));
 846
 847         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
 848                         MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_img_w) |
 849                         MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_img_h));
 850
 851         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
 852                         MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
 853                         MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
 854
 855         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
 856                         MDP5_PIPE_SRC_XY_X(src_x) |
 857                         MDP5_PIPE_SRC_XY_Y(src_y));
 858
 859         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
 860                         MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
 861                         MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
 862
 863         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
 864                         MDP5_PIPE_OUT_XY_X(crtc_x) |
 865                         MDP5_PIPE_OUT_XY_Y(crtc_y));
 866
 867         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
 868                         MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
 869                         MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
 870                         MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
 871                         MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
 872                         COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
 873                         MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
 874                         MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
 875                         COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
 876                         MDP5_PIPE_SRC_FORMAT_FETCH_TYPE(format->fetch_type) |
 877                         MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
 878
 879         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
 880                         MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
 881                         MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
 882                         MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
 883                         MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
 884
 885         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
 886                         (hflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_LR : 0) |
 887                         (vflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_UD : 0) |
 888                         COND(has_pe, MDP5_PIPE_SRC_OP_MODE_SW_PIX_EXT_OVERRIDE) |
 889                         MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
 890
 891         /* not using secure mode: */
 892         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
 893
 894         if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT)
 895                 mdp5_write_pixel_ext(mdp5_kms, pipe, format,
 896                                 src_w, pe->left, pe->right,
 897                                 src_h, pe->top, pe->bottom);
 898
 899         if (hwpipe->caps & MDP_PIPE_CAP_SCALE) {
 900                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
 901                                 step->x[COMP_0]);
 902                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
 903                                 step->y[COMP_0]);
 904                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
 905                                 step->x[COMP_1_2]);
 906                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
 907                                 step->y[COMP_1_2]);
 908                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
 909                                 MDP5_PIPE_DECIMATION_VERT(vdecm) |
 910                                 MDP5_PIPE_DECIMATION_HORZ(hdecm));
 911                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe),
 912                            scale_config);
 913         }
 914
 915         if (hwpipe->caps & MDP_PIPE_CAP_CSC) {
 916                 if (MDP_FORMAT_IS_YUV(format))
 917                         csc_enable(mdp5_kms, pipe,
 918                                         mdp_get_default_csc_cfg(CSC_YUV2RGB));
 919                 else
 920                         csc_disable(mdp5_kms, pipe);
 921         }
 922
 923         set_scanout_locked(mdp5_kms, pipe, fb);
 924 }
 925
 926 static int mdp5_plane_mode_set(struct drm_plane *plane,
 927                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
 928                 struct drm_rect *src, struct drm_rect *dest)
 929 {
 930         struct drm_plane_state *pstate = plane->state;
 931         struct mdp5_hw_pipe *hwpipe = to_mdp5_plane_state(pstate)->hwpipe;
 932         struct mdp5_kms *mdp5_kms = get_kms(plane);
 933         enum mdp5_pipe pipe = hwpipe->pipe;
 934         struct mdp5_hw_pipe *right_hwpipe;
 935         const struct mdp_format *format;
 936         uint32_t nplanes, config = 0;
 937         struct phase_step step = { { 0 } };
 938         struct pixel_ext pe = { { 0 } };
 939         uint32_t hdecm = 0, vdecm = 0;
 940         uint32_t pix_format;
 941         unsigned int rotation;
 942         bool vflip, hflip;
 943         int crtc_x, crtc_y;
 944         unsigned int crtc_w, crtc_h;
 945         uint32_t src_x, src_y;
 946         uint32_t src_w, src_h;
 947         uint32_t src_img_w, src_img_h;
 948         int ret;
 949
 950         nplanes = fb->format->num_planes;
 951
 952         /* bad formats should already be rejected: */
 953         if (WARN_ON(nplanes > pipe2nclients(pipe)))
 954                 return -EINVAL;
 955
 956         format = to_mdp_format(msm_framebuffer_format(fb));
 957         pix_format = format->base.pixel_format;
 958
 959         src_x = src->x1;
 960         src_y = src->y1;
 961         src_w = drm_rect_width(src);
 962         src_h = drm_rect_height(src);
 963
 964         crtc_x = dest->x1;
 965         crtc_y = dest->y1;
 966         crtc_w = drm_rect_width(dest);
 967         crtc_h = drm_rect_height(dest);
 968
 969         /* src values are in Q16 fixed point, convert to integer: */
 970         src_x = src_x >> 16;
 971         src_y = src_y >> 16;
 972         src_w = src_w >> 16;
 973         src_h = src_h >> 16;
 974
 975         src_img_w = min(fb->width, src_w);
 976         src_img_h = min(fb->height, src_h);
 977
 978         DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", plane->name,
 979                         fb->base.id, src_x, src_y, src_w, src_h,
 980                         crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
 981
 982         right_hwpipe = to_mdp5_plane_state(pstate)->r_hwpipe;
 983         if (right_hwpipe) {
 984                 /*
 985                  * if the plane comprises of 2 hw pipes, assume that the width
 986                  * is split equally across them. The only parameters that varies
 987                  * between the 2 pipes are src_x and crtc_x
 988                  */
 989                 crtc_w /= 2;
 990                 src_w /= 2;
 991                 src_img_w /= 2;
 992         }
 993
 994         ret = calc_scalex_steps(plane, pix_format, src_w, crtc_w, step.x);
 995         if (ret)
 996                 return ret;
 997
 998         ret = calc_scaley_steps(plane, pix_format, src_h, crtc_h, step.y);
 999         if (ret)
1000                 return ret;
1001
1002         if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT) {
1003                 calc_pixel_ext(format, src_w, crtc_w, step.x,
1004                                pe.left, pe.right, true);
1005                 calc_pixel_ext(format, src_h, crtc_h, step.y,
1006                                pe.top, pe.bottom, false);
1007         }
1008
1009         /* TODO calc hdecm, vdecm */
1010
1011         /* SCALE is used to both scale and up-sample chroma components */
1012         config |= get_scale_config(format, src_w, crtc_w, true);
1013         config |= get_scale_config(format, src_h, crtc_h, false);
1014         DBG("scale config = %x", config);
1015
1016         rotation = drm_rotation_simplify(pstate->rotation,
1017                                          DRM_MODE_ROTATE_0 |
1018                                          DRM_MODE_REFLECT_X |
1019                                          DRM_MODE_REFLECT_Y);
1020         hflip = !!(rotation & DRM_MODE_REFLECT_X);
1021         vflip = !!(rotation & DRM_MODE_REFLECT_Y);
1022
1023         mdp5_hwpipe_mode_set(mdp5_kms, hwpipe, fb, &step, &pe,
1024                              config, hdecm, vdecm, hflip, vflip,
1025                              crtc_x, crtc_y, crtc_w, crtc_h,
1026                              src_img_w, src_img_h,
1027                              src_x, src_y, src_w, src_h);
1028         if (right_hwpipe)
1029                 mdp5_hwpipe_mode_set(mdp5_kms, right_hwpipe, fb, &step, &pe,
1030                                      config, hdecm, vdecm, hflip, vflip,
1031                                      crtc_x + crtc_w, crtc_y, crtc_w, crtc_h,
1032                                      src_img_w, src_img_h,
1033                                      src_x + src_w, src_y, src_w, src_h);
1034
1035         return ret;
1036 }
1037
1038 /*
1039  * Use this func and the one below only after the atomic state has been
1040  * successfully swapped
1041  */
1042 enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
1043 {
1044         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1045
1046         if (WARN_ON(!pstate->hwpipe))
1047                 return SSPP_NONE;
1048
1049         return pstate->hwpipe->pipe;
1050 }
1051
1052 enum mdp5_pipe mdp5_plane_right_pipe(struct drm_plane *plane)
1053 {
1054         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1055
1056         if (!pstate->r_hwpipe)
1057                 return SSPP_NONE;
1058
1059         return pstate->r_hwpipe->pipe;
1060 }
1061
1062 uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
1063 {
1064         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1065         u32 mask;
1066
1067         if (WARN_ON(!pstate->hwpipe))
1068                 return 0;
1069
1070         mask = pstate->hwpipe->flush_mask;
1071
1072         if (pstate->r_hwpipe)
1073                 mask |= pstate->r_hwpipe->flush_mask;
1074
1075         return mask;
1076 }
1077
1078 /* initialize plane */
1079 struct drm_plane *mdp5_plane_init(struct drm_device *dev,
1080                                   enum drm_plane_type type)
1081 {
1082         struct drm_plane *plane = NULL;
1083         struct mdp5_plane *mdp5_plane;
1084         int ret;
1085
1086         mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
1087         if (!mdp5_plane) {
1088                 ret = -ENOMEM;
1089                 goto fail;
1090         }
1091
1092         plane = &mdp5_plane->base;
1093
1094         mdp5_plane->nformats = mdp_get_formats(mdp5_plane->formats,
1095                 ARRAY_SIZE(mdp5_plane->formats), false);
1096
1097         ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
1098                         mdp5_plane->formats, mdp5_plane->nformats,
1099                         NULL, type, NULL);
1100         if (ret)
1101                 goto fail;
1102
1103         drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
1104
1105         mdp5_plane_install_properties(plane, &plane->base);
1106
1107         return plane;
1108
1109 fail:
1110         if (plane)
1111                 mdp5_plane_destroy(plane);
1112
1113         return ERR_PTR(ret);
1114 }