1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net> 4 */ 5 6 #include <drm/drm_atomic.h> 7 #include <drm/drm_atomic_helper.h> 8 #include <drm/drm_crtc.h> 9 #include <drm/drm_fb_cma_helper.h> 10 #include <drm/drm_gem_atomic_helper.h> 11 #include <drm/drm_gem_cma_helper.h> 12 #include <drm/drm_plane_helper.h> 13 #include <drm/drm_probe_helper.h> 14 15 #include "sun8i_csc.h" 16 #include "sun8i_mixer.h" 17 #include "sun8i_vi_layer.h" 18 #include "sun8i_vi_scaler.h" 19 20 static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel, 21 int overlay, bool enable, unsigned int zpos, 22 unsigned int old_zpos) 23 { 24 u32 val, bld_base, ch_base; 25 26 bld_base = sun8i_blender_base(mixer); 27 ch_base = sun8i_channel_base(mixer, channel); 28 29 DRM_DEBUG_DRIVER("%sabling VI channel %d overlay %d\n", 30 enable ? "En" : "Dis", channel, overlay); 31 32 if (enable) 33 val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN; 34 else 35 val = 0; 36 37 regmap_update_bits(mixer->engine.regs, 38 SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 39 SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN, val); 40 41 if (!enable || zpos != old_zpos) { 42 regmap_update_bits(mixer->engine.regs, 43 SUN8I_MIXER_BLEND_PIPE_CTL(bld_base), 44 SUN8I_MIXER_BLEND_PIPE_CTL_EN(old_zpos), 45 0); 46 47 regmap_update_bits(mixer->engine.regs, 48 SUN8I_MIXER_BLEND_ROUTE(bld_base), 49 SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(old_zpos), 50 0); 51 } 52 53 if (enable) { 54 val = SUN8I_MIXER_BLEND_PIPE_CTL_EN(zpos); 55 56 regmap_update_bits(mixer->engine.regs, 57 SUN8I_MIXER_BLEND_PIPE_CTL(bld_base), 58 val, val); 59 60 val = channel << SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(zpos); 61 62 regmap_update_bits(mixer->engine.regs, 63 SUN8I_MIXER_BLEND_ROUTE(bld_base), 64 SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(zpos), 65 val); 66 } 67 } 68 69 static void sun8i_vi_layer_update_alpha(struct sun8i_mixer *mixer, int channel, 70 int overlay, struct drm_plane *plane) 71 { 72 u32 mask, val, ch_base; 73 74 ch_base = sun8i_channel_base(mixer, channel); 75 76 if (mixer->cfg->is_de3) { 77 mask = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK | 78 SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK; 79 val = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA 80 (plane->state->alpha >> 8); 81 82 val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ? 83 SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL : 84 SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED; 85 86 regmap_update_bits(mixer->engine.regs, 87 SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, 88 overlay), 89 mask, val); 90 } else if (mixer->cfg->vi_num == 1) { 91 regmap_update_bits(mixer->engine.regs, 92 SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG, 93 SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK, 94 SUN8I_MIXER_FCC_GLOBAL_ALPHA 95 (plane->state->alpha >> 8)); 96 } 97 } 98 99 static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, 100 int overlay, struct drm_plane *plane, 101 unsigned int zpos) 102 { 103 struct drm_plane_state *state = plane->state; 104 const struct drm_format_info *format = state->fb->format; 105 u32 src_w, src_h, dst_w, dst_h; 106 u32 bld_base, ch_base; 107 u32 outsize, insize; 108 u32 hphase, vphase; 109 u32 hn = 0, hm = 0; 110 u32 vn = 0, vm = 0; 111 bool subsampled; 112 113 DRM_DEBUG_DRIVER("Updating VI channel %d overlay %d\n", 114 channel, overlay); 115 116 bld_base = sun8i_blender_base(mixer); 117 ch_base = sun8i_channel_base(mixer, channel); 118 119 src_w = drm_rect_width(&state->src) >> 16; 120 src_h = drm_rect_height(&state->src) >> 16; 121 dst_w = drm_rect_width(&state->dst); 122 dst_h = drm_rect_height(&state->dst); 123 124 hphase = state->src.x1 & 0xffff; 125 vphase = state->src.y1 & 0xffff; 126 127 /* make coordinates dividable by subsampling factor */ 128 if (format->hsub > 1) { 129 int mask, remainder; 130 131 mask = format->hsub - 1; 132 remainder = (state->src.x1 >> 16) & mask; 133 src_w = (src_w + remainder) & ~mask; 134 hphase += remainder << 16; 135 } 136 137 if (format->vsub > 1) { 138 int mask, remainder; 139 140 mask = format->vsub - 1; 141 remainder = (state->src.y1 >> 16) & mask; 142 src_h = (src_h + remainder) & ~mask; 143 vphase += remainder << 16; 144 } 145 146 insize = SUN8I_MIXER_SIZE(src_w, src_h); 147 outsize = SUN8I_MIXER_SIZE(dst_w, dst_h); 148 149 /* Set height and width */ 150 DRM_DEBUG_DRIVER("Layer source offset X: %d Y: %d\n", 151 (state->src.x1 >> 16) & ~(format->hsub - 1), 152 (state->src.y1 >> 16) & ~(format->vsub - 1)); 153 DRM_DEBUG_DRIVER("Layer source size W: %d H: %d\n", src_w, src_h); 154 regmap_write(mixer->engine.regs, 155 SUN8I_MIXER_CHAN_VI_LAYER_SIZE(ch_base, overlay), 156 insize); 157 regmap_write(mixer->engine.regs, 158 SUN8I_MIXER_CHAN_VI_OVL_SIZE(ch_base), 159 insize); 160 161 /* 162 * Scaler must be enabled for subsampled formats, so it scales 163 * chroma to same size as luma. 164 */ 165 subsampled = format->hsub > 1 || format->vsub > 1; 166 167 if (insize != outsize || subsampled || hphase || vphase) { 168 unsigned int scanline, required; 169 struct drm_display_mode *mode; 170 u32 hscale, vscale, fps; 171 u64 ability; 172 173 DRM_DEBUG_DRIVER("HW scaling is enabled\n"); 174 175 mode = &plane->state->crtc->state->mode; 176 fps = (mode->clock * 1000) / (mode->vtotal * mode->htotal); 177 ability = clk_get_rate(mixer->mod_clk); 178 /* BSP algorithm assumes 80% efficiency of VI scaler unit */ 179 ability *= 80; 180 do_div(ability, mode->vdisplay * fps * max(src_w, dst_w)); 181 182 required = src_h * 100 / dst_h; 183 184 if (ability < required) { 185 DRM_DEBUG_DRIVER("Using vertical coarse scaling\n"); 186 vm = src_h; 187 vn = (u32)ability * dst_h / 100; 188 src_h = vn; 189 } 190 191 /* it seems that every RGB scaler has buffer for 2048 pixels */ 192 scanline = subsampled ? mixer->cfg->scanline_yuv : 2048; 193 194 if (src_w > scanline) { 195 DRM_DEBUG_DRIVER("Using horizontal coarse scaling\n"); 196 hm = src_w; 197 hn = scanline; 198 src_w = hn; 199 } 200 201 hscale = (src_w << 16) / dst_w; 202 vscale = (src_h << 16) / dst_h; 203 204 sun8i_vi_scaler_setup(mixer, channel, src_w, src_h, dst_w, 205 dst_h, hscale, vscale, hphase, vphase, 206 format); 207 sun8i_vi_scaler_enable(mixer, channel, true); 208 } else { 209 DRM_DEBUG_DRIVER("HW scaling is not needed\n"); 210 sun8i_vi_scaler_enable(mixer, channel, false); 211 } 212 213 regmap_write(mixer->engine.regs, 214 SUN8I_MIXER_CHAN_VI_HDS_Y(ch_base), 215 SUN8I_MIXER_CHAN_VI_DS_N(hn) | 216 SUN8I_MIXER_CHAN_VI_DS_M(hm)); 217 regmap_write(mixer->engine.regs, 218 SUN8I_MIXER_CHAN_VI_HDS_UV(ch_base), 219 SUN8I_MIXER_CHAN_VI_DS_N(hn) | 220 SUN8I_MIXER_CHAN_VI_DS_M(hm)); 221 regmap_write(mixer->engine.regs, 222 SUN8I_MIXER_CHAN_VI_VDS_Y(ch_base), 223 SUN8I_MIXER_CHAN_VI_DS_N(vn) | 224 SUN8I_MIXER_CHAN_VI_DS_M(vm)); 225 regmap_write(mixer->engine.regs, 226 SUN8I_MIXER_CHAN_VI_VDS_UV(ch_base), 227 SUN8I_MIXER_CHAN_VI_DS_N(vn) | 228 SUN8I_MIXER_CHAN_VI_DS_M(vm)); 229 230 /* Set base coordinates */ 231 DRM_DEBUG_DRIVER("Layer destination coordinates X: %d Y: %d\n", 232 state->dst.x1, state->dst.y1); 233 DRM_DEBUG_DRIVER("Layer destination size W: %d H: %d\n", dst_w, dst_h); 234 regmap_write(mixer->engine.regs, 235 SUN8I_MIXER_BLEND_ATTR_COORD(bld_base, zpos), 236 SUN8I_MIXER_COORD(state->dst.x1, state->dst.y1)); 237 regmap_write(mixer->engine.regs, 238 SUN8I_MIXER_BLEND_ATTR_INSIZE(bld_base, zpos), 239 outsize); 240 241 return 0; 242 } 243 244 static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format) 245 { 246 if (!format->is_yuv) 247 return SUN8I_CSC_MODE_OFF; 248 249 switch (format->format) { 250 case DRM_FORMAT_YVU411: 251 case DRM_FORMAT_YVU420: 252 case DRM_FORMAT_YVU422: 253 case DRM_FORMAT_YVU444: 254 return SUN8I_CSC_MODE_YVU2RGB; 255 default: 256 return SUN8I_CSC_MODE_YUV2RGB; 257 } 258 } 259 260 static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel, 261 int overlay, struct drm_plane *plane) 262 { 263 struct drm_plane_state *state = plane->state; 264 u32 val, ch_base, csc_mode, hw_fmt; 265 const struct drm_format_info *fmt; 266 int ret; 267 268 ch_base = sun8i_channel_base(mixer, channel); 269 270 fmt = state->fb->format; 271 ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt); 272 if (ret) { 273 DRM_DEBUG_DRIVER("Invalid format\n"); 274 return ret; 275 } 276 277 val = hw_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET; 278 regmap_update_bits(mixer->engine.regs, 279 SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 280 SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val); 281 282 csc_mode = sun8i_vi_layer_get_csc_mode(fmt); 283 if (csc_mode != SUN8I_CSC_MODE_OFF) { 284 sun8i_csc_set_ccsc_coefficients(mixer, channel, csc_mode, 285 state->color_encoding, 286 state->color_range); 287 sun8i_csc_enable_ccsc(mixer, channel, true); 288 } else { 289 sun8i_csc_enable_ccsc(mixer, channel, false); 290 } 291 292 if (!fmt->is_yuv) 293 val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE; 294 else 295 val = 0; 296 297 regmap_update_bits(mixer->engine.regs, 298 SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), 299 SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE, val); 300 301 return 0; 302 } 303 304 static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel, 305 int overlay, struct drm_plane *plane) 306 { 307 struct drm_plane_state *state = plane->state; 308 struct drm_framebuffer *fb = state->fb; 309 const struct drm_format_info *format = fb->format; 310 struct drm_gem_cma_object *gem; 311 u32 dx, dy, src_x, src_y; 312 dma_addr_t paddr; 313 u32 ch_base; 314 int i; 315 316 ch_base = sun8i_channel_base(mixer, channel); 317 318 /* Adjust x and y to be dividable by subsampling factor */ 319 src_x = (state->src.x1 >> 16) & ~(format->hsub - 1); 320 src_y = (state->src.y1 >> 16) & ~(format->vsub - 1); 321 322 for (i = 0; i < format->num_planes; i++) { 323 /* Get the physical address of the buffer in memory */ 324 gem = drm_fb_cma_get_gem_obj(fb, i); 325 326 DRM_DEBUG_DRIVER("Using GEM @ %pad\n", &gem->paddr); 327 328 /* Compute the start of the displayed memory */ 329 paddr = gem->paddr + fb->offsets[i]; 330 331 dx = src_x; 332 dy = src_y; 333 334 if (i > 0) { 335 dx /= format->hsub; 336 dy /= format->vsub; 337 } 338 339 /* Fixup framebuffer address for src coordinates */ 340 paddr += dx * format->cpp[i]; 341 paddr += dy * fb->pitches[i]; 342 343 /* Set the line width */ 344 DRM_DEBUG_DRIVER("Layer %d. line width: %d bytes\n", 345 i + 1, fb->pitches[i]); 346 regmap_write(mixer->engine.regs, 347 SUN8I_MIXER_CHAN_VI_LAYER_PITCH(ch_base, 348 overlay, i), 349 fb->pitches[i]); 350 351 DRM_DEBUG_DRIVER("Setting %d. buffer address to %pad\n", 352 i + 1, &paddr); 353 354 regmap_write(mixer->engine.regs, 355 SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(ch_base, 356 overlay, i), 357 lower_32_bits(paddr)); 358 } 359 360 return 0; 361 } 362 363 static int sun8i_vi_layer_atomic_check(struct drm_plane *plane, 364 struct drm_atomic_state *state) 365 { 366 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 367 plane); 368 struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 369 struct drm_crtc *crtc = new_plane_state->crtc; 370 struct drm_crtc_state *crtc_state; 371 int min_scale, max_scale; 372 373 if (!crtc) 374 return 0; 375 376 crtc_state = drm_atomic_get_existing_crtc_state(state, 377 crtc); 378 if (WARN_ON(!crtc_state)) 379 return -EINVAL; 380 381 min_scale = DRM_PLANE_HELPER_NO_SCALING; 382 max_scale = DRM_PLANE_HELPER_NO_SCALING; 383 384 if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) { 385 min_scale = SUN8I_VI_SCALER_SCALE_MIN; 386 max_scale = SUN8I_VI_SCALER_SCALE_MAX; 387 } 388 389 return drm_atomic_helper_check_plane_state(new_plane_state, 390 crtc_state, 391 min_scale, max_scale, 392 true, true); 393 } 394 395 static void sun8i_vi_layer_atomic_disable(struct drm_plane *plane, 396 struct drm_atomic_state *state) 397 { 398 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 399 plane); 400 struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 401 unsigned int old_zpos = old_state->normalized_zpos; 402 struct sun8i_mixer *mixer = layer->mixer; 403 404 sun8i_vi_layer_enable(mixer, layer->channel, layer->overlay, false, 0, 405 old_zpos); 406 } 407 408 static void sun8i_vi_layer_atomic_update(struct drm_plane *plane, 409 struct drm_atomic_state *state) 410 { 411 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, 412 plane); 413 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 414 plane); 415 struct sun8i_vi_layer *layer = plane_to_sun8i_vi_layer(plane); 416 unsigned int zpos = new_state->normalized_zpos; 417 unsigned int old_zpos = old_state->normalized_zpos; 418 struct sun8i_mixer *mixer = layer->mixer; 419 420 if (!new_state->visible) { 421 sun8i_vi_layer_enable(mixer, layer->channel, 422 layer->overlay, false, 0, old_zpos); 423 return; 424 } 425 426 sun8i_vi_layer_update_coord(mixer, layer->channel, 427 layer->overlay, plane, zpos); 428 sun8i_vi_layer_update_alpha(mixer, layer->channel, 429 layer->overlay, plane); 430 sun8i_vi_layer_update_formats(mixer, layer->channel, 431 layer->overlay, plane); 432 sun8i_vi_layer_update_buffer(mixer, layer->channel, 433 layer->overlay, plane); 434 sun8i_vi_layer_enable(mixer, layer->channel, layer->overlay, 435 true, zpos, old_zpos); 436 } 437 438 static const struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = { 439 .prepare_fb = drm_gem_plane_helper_prepare_fb, 440 .atomic_check = sun8i_vi_layer_atomic_check, 441 .atomic_disable = sun8i_vi_layer_atomic_disable, 442 .atomic_update = sun8i_vi_layer_atomic_update, 443 }; 444 445 static const struct drm_plane_funcs sun8i_vi_layer_funcs = { 446 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 447 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 448 .destroy = drm_plane_cleanup, 449 .disable_plane = drm_atomic_helper_disable_plane, 450 .reset = drm_atomic_helper_plane_reset, 451 .update_plane = drm_atomic_helper_update_plane, 452 }; 453 454 /* 455 * While DE2 VI layer supports same RGB formats as UI layer, alpha 456 * channel is ignored. This structure lists all unique variants 457 * where alpha channel is replaced with "don't care" (X) channel. 458 */ 459 static const u32 sun8i_vi_layer_formats[] = { 460 DRM_FORMAT_BGR565, 461 DRM_FORMAT_BGR888, 462 DRM_FORMAT_BGRX4444, 463 DRM_FORMAT_BGRX5551, 464 DRM_FORMAT_BGRX8888, 465 DRM_FORMAT_RGB565, 466 DRM_FORMAT_RGB888, 467 DRM_FORMAT_RGBX4444, 468 DRM_FORMAT_RGBX5551, 469 DRM_FORMAT_RGBX8888, 470 DRM_FORMAT_XBGR1555, 471 DRM_FORMAT_XBGR4444, 472 DRM_FORMAT_XBGR8888, 473 DRM_FORMAT_XRGB1555, 474 DRM_FORMAT_XRGB4444, 475 DRM_FORMAT_XRGB8888, 476 477 DRM_FORMAT_NV16, 478 DRM_FORMAT_NV12, 479 DRM_FORMAT_NV21, 480 DRM_FORMAT_NV61, 481 DRM_FORMAT_UYVY, 482 DRM_FORMAT_VYUY, 483 DRM_FORMAT_YUYV, 484 DRM_FORMAT_YVYU, 485 DRM_FORMAT_YUV411, 486 DRM_FORMAT_YUV420, 487 DRM_FORMAT_YUV422, 488 DRM_FORMAT_YVU411, 489 DRM_FORMAT_YVU420, 490 DRM_FORMAT_YVU422, 491 }; 492 493 static const u32 sun8i_vi_layer_de3_formats[] = { 494 DRM_FORMAT_ABGR1555, 495 DRM_FORMAT_ABGR2101010, 496 DRM_FORMAT_ABGR4444, 497 DRM_FORMAT_ABGR8888, 498 DRM_FORMAT_ARGB1555, 499 DRM_FORMAT_ARGB2101010, 500 DRM_FORMAT_ARGB4444, 501 DRM_FORMAT_ARGB8888, 502 DRM_FORMAT_BGR565, 503 DRM_FORMAT_BGR888, 504 DRM_FORMAT_BGRA1010102, 505 DRM_FORMAT_BGRA5551, 506 DRM_FORMAT_BGRA4444, 507 DRM_FORMAT_BGRA8888, 508 DRM_FORMAT_BGRX8888, 509 DRM_FORMAT_RGB565, 510 DRM_FORMAT_RGB888, 511 DRM_FORMAT_RGBA1010102, 512 DRM_FORMAT_RGBA4444, 513 DRM_FORMAT_RGBA5551, 514 DRM_FORMAT_RGBA8888, 515 DRM_FORMAT_RGBX8888, 516 DRM_FORMAT_XBGR8888, 517 DRM_FORMAT_XRGB8888, 518 519 DRM_FORMAT_NV16, 520 DRM_FORMAT_NV12, 521 DRM_FORMAT_NV21, 522 DRM_FORMAT_NV61, 523 DRM_FORMAT_P010, 524 DRM_FORMAT_P210, 525 DRM_FORMAT_UYVY, 526 DRM_FORMAT_VYUY, 527 DRM_FORMAT_YUYV, 528 DRM_FORMAT_YVYU, 529 DRM_FORMAT_YUV411, 530 DRM_FORMAT_YUV420, 531 DRM_FORMAT_YUV422, 532 DRM_FORMAT_YVU411, 533 DRM_FORMAT_YVU420, 534 DRM_FORMAT_YVU422, 535 }; 536 537 static const uint64_t sun8i_layer_modifiers[] = { 538 DRM_FORMAT_MOD_LINEAR, 539 DRM_FORMAT_MOD_INVALID 540 }; 541 542 struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm, 543 struct sun8i_mixer *mixer, 544 int index) 545 { 546 u32 supported_encodings, supported_ranges; 547 unsigned int plane_cnt, format_count; 548 struct sun8i_vi_layer *layer; 549 const u32 *formats; 550 int ret; 551 552 layer = devm_kzalloc(drm->dev, sizeof(*layer), GFP_KERNEL); 553 if (!layer) 554 return ERR_PTR(-ENOMEM); 555 556 if (mixer->cfg->is_de3) { 557 formats = sun8i_vi_layer_de3_formats; 558 format_count = ARRAY_SIZE(sun8i_vi_layer_de3_formats); 559 } else { 560 formats = sun8i_vi_layer_formats; 561 format_count = ARRAY_SIZE(sun8i_vi_layer_formats); 562 } 563 564 /* possible crtcs are set later */ 565 ret = drm_universal_plane_init(drm, &layer->plane, 0, 566 &sun8i_vi_layer_funcs, 567 formats, format_count, 568 sun8i_layer_modifiers, 569 DRM_PLANE_TYPE_OVERLAY, NULL); 570 if (ret) { 571 dev_err(drm->dev, "Couldn't initialize layer\n"); 572 return ERR_PTR(ret); 573 } 574 575 plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num; 576 577 if (mixer->cfg->vi_num == 1 || mixer->cfg->is_de3) { 578 ret = drm_plane_create_alpha_property(&layer->plane); 579 if (ret) { 580 dev_err(drm->dev, "Couldn't add alpha property\n"); 581 return ERR_PTR(ret); 582 } 583 } 584 585 ret = drm_plane_create_zpos_property(&layer->plane, index, 586 0, plane_cnt - 1); 587 if (ret) { 588 dev_err(drm->dev, "Couldn't add zpos property\n"); 589 return ERR_PTR(ret); 590 } 591 592 supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) | 593 BIT(DRM_COLOR_YCBCR_BT709); 594 if (mixer->cfg->is_de3) 595 supported_encodings |= BIT(DRM_COLOR_YCBCR_BT2020); 596 597 supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | 598 BIT(DRM_COLOR_YCBCR_FULL_RANGE); 599 600 ret = drm_plane_create_color_properties(&layer->plane, 601 supported_encodings, 602 supported_ranges, 603 DRM_COLOR_YCBCR_BT709, 604 DRM_COLOR_YCBCR_LIMITED_RANGE); 605 if (ret) { 606 dev_err(drm->dev, "Couldn't add encoding and range properties!\n"); 607 return ERR_PTR(ret); 608 } 609 610 drm_plane_helper_add(&layer->plane, &sun8i_vi_layer_helper_funcs); 611 layer->mixer = mixer; 612 layer->channel = index; 613 layer->overlay = 0; 614 615 return layer; 616 } 617