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

   1 /*
   2  * Copyright (c) 2014 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 "mdp5_kms.h"
  20
  21 struct mdp5_plane {
  22         struct drm_plane base;
  23         const char *name;
  24
  25         enum mdp5_pipe pipe;
  26
  27         spinlock_t pipe_lock;   /* protect REG_MDP5_PIPE_* registers */
  28         uint32_t reg_offset;
  29
  30         uint32_t flush_mask;    /* used to commit pipe registers */
  31
  32         uint32_t nformats;
  33         uint32_t formats[32];
  34
  35         bool enabled;
  36 };
  37 #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
  38
  39 static int mdp5_plane_mode_set(struct drm_plane *plane,
  40                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
  41                 int crtc_x, int crtc_y,
  42                 unsigned int crtc_w, unsigned int crtc_h,
  43                 uint32_t src_x, uint32_t src_y,
  44                 uint32_t src_w, uint32_t src_h);
  45 static void set_scanout_locked(struct drm_plane *plane,
  46                 struct drm_framebuffer *fb);
  47
  48 static struct mdp5_kms *get_kms(struct drm_plane *plane)
  49 {
  50         struct msm_drm_private *priv = plane->dev->dev_private;
  51         return to_mdp5_kms(to_mdp_kms(priv->kms));
  52 }
  53
  54 static bool plane_enabled(struct drm_plane_state *state)
  55 {
  56         return state->fb && state->crtc;
  57 }
  58
  59 static int mdp5_plane_disable(struct drm_plane *plane)
  60 {
  61         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
  62         struct mdp5_kms *mdp5_kms = get_kms(plane);
  63         enum mdp5_pipe pipe = mdp5_plane->pipe;
  64
  65         DBG("%s: disable", mdp5_plane->name);
  66
  67         if (mdp5_kms) {
  68                 /* Release the memory we requested earlier from the SMP: */
  69                 mdp5_smp_release(mdp5_kms->smp, pipe);
  70         }
  71
  72         return 0;
  73 }
  74
  75 static void mdp5_plane_destroy(struct drm_plane *plane)
  76 {
  77         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
  78
  79         drm_plane_helper_disable(plane);
  80         drm_plane_cleanup(plane);
  81
  82         kfree(mdp5_plane);
  83 }
  84
  85 /* helper to install properties which are common to planes and crtcs */
  86 void mdp5_plane_install_properties(struct drm_plane *plane,
  87                 struct drm_mode_object *obj)
  88 {
  89         // XXX
  90 }
  91
  92 int mdp5_plane_set_property(struct drm_plane *plane,
  93                 struct drm_property *property, uint64_t val)
  94 {
  95         // XXX
  96         return -EINVAL;
  97 }
  98
  99 static void mdp5_plane_reset(struct drm_plane *plane)
 100 {
 101         struct mdp5_plane_state *mdp5_state;
 102
 103         if (plane->state && plane->state->fb)
 104                 drm_framebuffer_unreference(plane->state->fb);
 105
 106         kfree(to_mdp5_plane_state(plane->state));
 107         mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
 108
 109         if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
 110                 mdp5_state->zpos = 0;
 111         } else {
 112                 mdp5_state->zpos = 1 + drm_plane_index(plane);
 113         }
 114         mdp5_state->base.plane = plane;
 115
 116         plane->state = &mdp5_state->base;
 117 }
 118
 119 static struct drm_plane_state *
 120 mdp5_plane_duplicate_state(struct drm_plane *plane)
 121 {
 122         struct mdp5_plane_state *mdp5_state;
 123
 124         if (WARN_ON(!plane->state))
 125                 return NULL;
 126
 127         mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
 128                         sizeof(*mdp5_state), GFP_KERNEL);
 129
 130         if (mdp5_state && mdp5_state->base.fb)
 131                 drm_framebuffer_reference(mdp5_state->base.fb);
 132
 133         mdp5_state->mode_changed = false;
 134         mdp5_state->pending = false;
 135
 136         return &mdp5_state->base;
 137 }
 138
 139 static void mdp5_plane_destroy_state(struct drm_plane *plane,
 140                 struct drm_plane_state *state)
 141 {
 142         if (state->fb)
 143                 drm_framebuffer_unreference(state->fb);
 144
 145         kfree(to_mdp5_plane_state(state));
 146 }
 147
 148 static const struct drm_plane_funcs mdp5_plane_funcs = {
 149                 .update_plane = drm_atomic_helper_update_plane,
 150                 .disable_plane = drm_atomic_helper_disable_plane,
 151                 .destroy = mdp5_plane_destroy,
 152                 .set_property = mdp5_plane_set_property,
 153                 .reset = mdp5_plane_reset,
 154                 .atomic_duplicate_state = mdp5_plane_duplicate_state,
 155                 .atomic_destroy_state = mdp5_plane_destroy_state,
 156 };
 157
 158 static int mdp5_plane_prepare_fb(struct drm_plane *plane,
 159                 struct drm_framebuffer *fb)
 160 {
 161         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 162         struct mdp5_kms *mdp5_kms = get_kms(plane);
 163
 164         DBG("%s: prepare: FB[%u]", mdp5_plane->name, fb->base.id);
 165         return msm_framebuffer_prepare(fb, mdp5_kms->id);
 166 }
 167
 168 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
 169                 struct drm_framebuffer *fb)
 170 {
 171         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 172         struct mdp5_kms *mdp5_kms = get_kms(plane);
 173
 174         DBG("%s: cleanup: FB[%u]", mdp5_plane->name, fb->base.id);
 175         msm_framebuffer_cleanup(fb, mdp5_kms->id);
 176 }
 177
 178 static int mdp5_plane_atomic_check(struct drm_plane *plane,
 179                 struct drm_plane_state *state)
 180 {
 181         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 182         struct drm_plane_state *old_state = plane->state;
 183
 184         DBG("%s: check (%d -> %d)", mdp5_plane->name,
 185                         plane_enabled(old_state), plane_enabled(state));
 186
 187         if (plane_enabled(state) && plane_enabled(old_state)) {
 188                 /* we cannot change SMP block configuration during scanout: */
 189                 bool full_modeset = false;
 190                 if (state->fb->pixel_format != old_state->fb->pixel_format) {
 191                         DBG("%s: pixel_format change!", mdp5_plane->name);
 192                         full_modeset = true;
 193                 }
 194                 if (state->src_w != old_state->src_w) {
 195                         DBG("%s: src_w change!", mdp5_plane->name);
 196                         full_modeset = true;
 197                 }
 198                 if (to_mdp5_plane_state(old_state)->pending) {
 199                         DBG("%s: still pending!", mdp5_plane->name);
 200                         full_modeset = true;
 201                 }
 202                 if (full_modeset) {
 203                         struct drm_crtc_state *crtc_state =
 204                                         drm_atomic_get_crtc_state(state->state, state->crtc);
 205                         crtc_state->mode_changed = true;
 206                         to_mdp5_plane_state(state)->mode_changed = true;
 207                 }
 208         } else {
 209                 to_mdp5_plane_state(state)->mode_changed = true;
 210         }
 211
 212         return 0;
 213 }
 214
 215 static void mdp5_plane_atomic_update(struct drm_plane *plane,
 216                                      struct drm_plane_state *old_state)
 217 {
 218         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 219         struct drm_plane_state *state = plane->state;
 220
 221         DBG("%s: update", mdp5_plane->name);
 222
 223         if (!plane_enabled(state)) {
 224                 to_mdp5_plane_state(state)->pending = true;
 225                 mdp5_plane_disable(plane);
 226         } else if (to_mdp5_plane_state(state)->mode_changed) {
 227                 int ret;
 228                 to_mdp5_plane_state(state)->pending = true;
 229                 ret = mdp5_plane_mode_set(plane,
 230                                 state->crtc, state->fb,
 231                                 state->crtc_x, state->crtc_y,
 232                                 state->crtc_w, state->crtc_h,
 233                                 state->src_x,  state->src_y,
 234                                 state->src_w, state->src_h);
 235                 /* atomic_check should have ensured that this doesn't fail */
 236                 WARN_ON(ret < 0);
 237         } else {
 238                 unsigned long flags;
 239                 spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
 240                 set_scanout_locked(plane, state->fb);
 241                 spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
 242         }
 243 }
 244
 245 static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
 246                 .prepare_fb = mdp5_plane_prepare_fb,
 247                 .cleanup_fb = mdp5_plane_cleanup_fb,
 248                 .atomic_check = mdp5_plane_atomic_check,
 249                 .atomic_update = mdp5_plane_atomic_update,
 250 };
 251
 252 static void set_scanout_locked(struct drm_plane *plane,
 253                 struct drm_framebuffer *fb)
 254 {
 255         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 256         struct mdp5_kms *mdp5_kms = get_kms(plane);
 257         enum mdp5_pipe pipe = mdp5_plane->pipe;
 258
 259         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
 260                         MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
 261                         MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
 262
 263         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
 264                         MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
 265                         MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
 266
 267         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
 268                         msm_framebuffer_iova(fb, mdp5_kms->id, 0));
 269         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
 270                         msm_framebuffer_iova(fb, mdp5_kms->id, 1));
 271         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
 272                         msm_framebuffer_iova(fb, mdp5_kms->id, 2));
 273         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
 274                         msm_framebuffer_iova(fb, mdp5_kms->id, 4));
 275
 276         plane->fb = fb;
 277 }
 278
 279 /* Note: mdp5_plane->pipe_lock must be locked */
 280 static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
 281 {
 282         uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
 283                          ~MDP5_PIPE_OP_MODE_CSC_1_EN;
 284
 285         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
 286 }
 287
 288 /* Note: mdp5_plane->pipe_lock must be locked */
 289 static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
 290                 struct csc_cfg *csc)
 291 {
 292         uint32_t  i, mode = 0; /* RGB, no CSC */
 293         uint32_t *matrix;
 294
 295         if (unlikely(!csc))
 296                 return;
 297
 298         if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
 299                 mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
 300         if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
 301                 mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
 302         mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
 303         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
 304
 305         matrix = csc->matrix;
 306         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
 307                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
 308                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
 309         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
 310                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
 311                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
 312         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
 313                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
 314                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
 315         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
 316                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
 317                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
 318         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
 319                         MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
 320
 321         for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
 322                 uint32_t *pre_clamp = csc->pre_clamp;
 323                 uint32_t *post_clamp = csc->post_clamp;
 324
 325                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
 326                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
 327                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
 328
 329                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
 330                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
 331                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
 332
 333                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
 334                         MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
 335
 336                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
 337                         MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
 338         }
 339 }
 340
 341 #define PHASE_STEP_SHIFT        21
 342 #define DOWN_SCALE_RATIO_MAX    32      /* 2^(26-21) */
 343
 344 static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
 345 {
 346         uint32_t unit;
 347
 348         if (src == 0 || dst == 0)
 349                 return -EINVAL;
 350
 351         /*
 352          * PHASE_STEP_X/Y is coded on 26 bits (25:0),
 353          * where 2^21 represents the unity "1" in fixed-point hardware design.
 354          * This leaves 5 bits for the integer part (downscale case):
 355          *      -> maximum downscale ratio = 0b1_1111 = 31
 356          */
 357         if (src > (dst * DOWN_SCALE_RATIO_MAX))
 358                 return -EOVERFLOW;
 359
 360         unit = 1 << PHASE_STEP_SHIFT;
 361         *out_phase = mult_frac(unit, src, dst);
 362
 363         return 0;
 364 }
 365
 366 static int calc_scalex_steps(uint32_t pixel_format, uint32_t src, uint32_t dest,
 367                 uint32_t phasex_steps[2])
 368 {
 369         uint32_t phasex_step;
 370         unsigned int hsub;
 371         int ret;
 372
 373         ret = calc_phase_step(src, dest, &phasex_step);
 374         if (ret)
 375                 return ret;
 376
 377         hsub = drm_format_horz_chroma_subsampling(pixel_format);
 378
 379         phasex_steps[0] = phasex_step;
 380         phasex_steps[1] = phasex_step / hsub;
 381
 382         return 0;
 383 }
 384
 385 static int calc_scaley_steps(uint32_t pixel_format, uint32_t src, uint32_t dest,
 386                 uint32_t phasey_steps[2])
 387 {
 388         uint32_t phasey_step;
 389         unsigned int vsub;
 390         int ret;
 391
 392         ret = calc_phase_step(src, dest, &phasey_step);
 393         if (ret)
 394                 return ret;
 395
 396         vsub = drm_format_vert_chroma_subsampling(pixel_format);
 397
 398         phasey_steps[0] = phasey_step;
 399         phasey_steps[1] = phasey_step / vsub;
 400
 401         return 0;
 402 }
 403
 404 static uint32_t get_scalex_config(uint32_t src, uint32_t dest)
 405 {
 406         uint32_t filter;
 407
 408         filter = (src <= dest) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
 409
 410         return  MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
 411                 MDP5_PIPE_SCALE_CONFIG_SCALEX_MIN_FILTER(filter) |
 412                 MDP5_PIPE_SCALE_CONFIG_SCALEX_CR_FILTER(filter)  |
 413                 MDP5_PIPE_SCALE_CONFIG_SCALEX_MAX_FILTER(filter);
 414 }
 415
 416 static uint32_t get_scaley_config(uint32_t src, uint32_t dest)
 417 {
 418         uint32_t filter;
 419
 420         filter = (src <= dest) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
 421
 422         return  MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
 423                 MDP5_PIPE_SCALE_CONFIG_SCALEY_MIN_FILTER(filter) |
 424                 MDP5_PIPE_SCALE_CONFIG_SCALEY_CR_FILTER(filter)  |
 425                 MDP5_PIPE_SCALE_CONFIG_SCALEY_MAX_FILTER(filter);
 426 }
 427
 428 static int mdp5_plane_mode_set(struct drm_plane *plane,
 429                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
 430                 int crtc_x, int crtc_y,
 431                 unsigned int crtc_w, unsigned int crtc_h,
 432                 uint32_t src_x, uint32_t src_y,
 433                 uint32_t src_w, uint32_t src_h)
 434 {
 435         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 436         struct mdp5_kms *mdp5_kms = get_kms(plane);
 437         struct device *dev = mdp5_kms->dev->dev;
 438         enum mdp5_pipe pipe = mdp5_plane->pipe;
 439         const struct mdp_format *format;
 440         uint32_t nplanes, config = 0;
 441         /* below array -> index 0: comp 0/3 ; index 1: comp 1/2 */
 442         uint32_t phasex_step[2] = {0,}, phasey_step[2] = {0,};
 443         uint32_t hdecm = 0, vdecm = 0;
 444         uint32_t pix_format;
 445         unsigned long flags;
 446         int ret;
 447
 448         nplanes = drm_format_num_planes(fb->pixel_format);
 449
 450         /* bad formats should already be rejected: */
 451         if (WARN_ON(nplanes > pipe2nclients(pipe)))
 452                 return -EINVAL;
 453
 454         format = to_mdp_format(msm_framebuffer_format(fb));
 455         pix_format = format->base.pixel_format;
 456
 457         /* src values are in Q16 fixed point, convert to integer: */
 458         src_x = src_x >> 16;
 459         src_y = src_y >> 16;
 460         src_w = src_w >> 16;
 461         src_h = src_h >> 16;
 462
 463         DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp5_plane->name,
 464                         fb->base.id, src_x, src_y, src_w, src_h,
 465                         crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
 466
 467         /* Request some memory from the SMP: */
 468         ret = mdp5_smp_request(mdp5_kms->smp,
 469                         mdp5_plane->pipe, fb->pixel_format, src_w);
 470         if (ret)
 471                 return ret;
 472
 473         /*
 474          * Currently we update the hw for allocations/requests immediately,
 475          * but once atomic modeset/pageflip is in place, the allocation
 476          * would move into atomic->check_plane_state(), while updating the
 477          * hw would remain here:
 478          */
 479         mdp5_smp_configure(mdp5_kms->smp, pipe);
 480
 481         /* SCALE is used to both scale and up-sample chroma components */
 482
 483         if ((src_w != crtc_w) || MDP_FORMAT_IS_YUV(format)) {
 484                 /* TODO calc hdecm */
 485                 ret = calc_scalex_steps(pix_format, src_w, crtc_w, phasex_step);
 486                 if (ret) {
 487                         dev_err(dev, "X scaling (%d -> %d) failed: %d\n",
 488                                         src_w, crtc_w, ret);
 489                         return ret;
 490                 }
 491                 config |= get_scalex_config(src_w, crtc_w);
 492         }
 493
 494         if ((src_h != crtc_h) || MDP_FORMAT_IS_YUV(format)) {
 495                 /* TODO calc vdecm */
 496                 ret = calc_scaley_steps(pix_format, src_h, crtc_h, phasey_step);
 497                 if (ret) {
 498                         dev_err(dev, "Y scaling (%d -> %d) failed: %d\n",
 499                                         src_h, crtc_h, ret);
 500                         return ret;
 501                 }
 502                 config |= get_scaley_config(src_h, crtc_h);
 503         }
 504
 505         spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
 506
 507         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
 508                         MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_w) |
 509                         MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_h));
 510
 511         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
 512                         MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
 513                         MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
 514
 515         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
 516                         MDP5_PIPE_SRC_XY_X(src_x) |
 517                         MDP5_PIPE_SRC_XY_Y(src_y));
 518
 519         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
 520                         MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
 521                         MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
 522
 523         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
 524                         MDP5_PIPE_OUT_XY_X(crtc_x) |
 525                         MDP5_PIPE_OUT_XY_Y(crtc_y));
 526
 527         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
 528                         MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
 529                         MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
 530                         MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
 531                         MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
 532                         COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
 533                         MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
 534                         MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
 535                         COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
 536                         MDP5_PIPE_SRC_FORMAT_NUM_PLANES(format->fetch_type) |
 537                         MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
 538
 539         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
 540                         MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
 541                         MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
 542                         MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
 543                         MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
 544
 545         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
 546                         MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
 547
 548         /* not using secure mode: */
 549         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
 550
 551         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
 552                         phasex_step[0]);
 553         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
 554                         phasey_step[0]);
 555         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
 556                         phasex_step[1]);
 557         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
 558                         phasey_step[1]);
 559         mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
 560                         MDP5_PIPE_DECIMATION_VERT(vdecm) |
 561                         MDP5_PIPE_DECIMATION_HORZ(hdecm));
 562         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe), config);
 563
 564         if (MDP_FORMAT_IS_YUV(format))
 565                 csc_enable(mdp5_kms, pipe,
 566                                 mdp_get_default_csc_cfg(CSC_YUV2RGB));
 567         else
 568                 csc_disable(mdp5_kms, pipe);
 569
 570         set_scanout_locked(plane, fb);
 571
 572         spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
 573
 574         return ret;
 575 }
 576
 577 void mdp5_plane_complete_flip(struct drm_plane *plane)
 578 {
 579         struct mdp5_kms *mdp5_kms = get_kms(plane);
 580         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 581         enum mdp5_pipe pipe = mdp5_plane->pipe;
 582
 583         DBG("%s: complete flip", mdp5_plane->name);
 584
 585         mdp5_smp_commit(mdp5_kms->smp, pipe);
 586
 587         to_mdp5_plane_state(plane->state)->pending = false;
 588 }
 589
 590 enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
 591 {
 592         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 593         return mdp5_plane->pipe;
 594 }
 595
 596 uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
 597 {
 598         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
 599
 600         return mdp5_plane->flush_mask;
 601 }
 602
 603 /* initialize plane */
 604 struct drm_plane *mdp5_plane_init(struct drm_device *dev,
 605                 enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset)
 606 {
 607         struct drm_plane *plane = NULL;
 608         struct mdp5_plane *mdp5_plane;
 609         int ret;
 610         enum drm_plane_type type;
 611
 612         mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
 613         if (!mdp5_plane) {
 614                 ret = -ENOMEM;
 615                 goto fail;
 616         }
 617
 618         plane = &mdp5_plane->base;
 619
 620         mdp5_plane->pipe = pipe;
 621         mdp5_plane->name = pipe2name(pipe);
 622
 623         mdp5_plane->nformats = mdp5_get_formats(pipe, mdp5_plane->formats,
 624                         ARRAY_SIZE(mdp5_plane->formats));
 625
 626         mdp5_plane->flush_mask = mdp_ctl_flush_mask_pipe(pipe);
 627         mdp5_plane->reg_offset = reg_offset;
 628         spin_lock_init(&mdp5_plane->pipe_lock);
 629
 630         type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
 631         ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
 632                                  mdp5_plane->formats, mdp5_plane->nformats,
 633                                  type);
 634         if (ret)
 635                 goto fail;
 636
 637         drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
 638
 639         mdp5_plane_install_properties(plane, &plane->base);
 640
 641         return plane;
 642
 643 fail:
 644         if (plane)
 645                 mdp5_plane_destroy(plane);
 646
 647         return ERR_PTR(ret);
 648 }