Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #define pr_fmt(fmt) "%s: " fmt, __func__ |
| 15 | |
| 16 | #include <linux/errno.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/major.h> |
| 19 | #include <linux/pm_runtime.h> |
| 20 | #include <linux/uaccess.h> |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/msm_mdp.h> |
| 23 | #include <linux/memblock.h> |
| 24 | #include <linux/sync.h> |
| 25 | #include <linux/sw_sync.h> |
| 26 | #include <linux/file.h> |
| 27 | |
| 28 | #include <soc/qcom/event_timer.h> |
| 29 | #include "mdss.h" |
| 30 | #include "mdss_debug.h" |
| 31 | #include "mdss_fb.h" |
| 32 | #include "mdss_mdp.h" |
| 33 | #include "mdss_mdp_wfd.h" |
| 34 | |
| 35 | #define CHECK_LAYER_BOUNDS(offset, size, max_size) \ |
| 36 | (((size) > (max_size)) || ((offset) > ((max_size) - (size)))) |
| 37 | |
| 38 | #define SCALER_ENABLED \ |
| 39 | (MDP_LAYER_ENABLE_PIXEL_EXT | MDP_LAYER_ENABLE_QSEED3_SCALE) |
| 40 | |
| 41 | enum { |
| 42 | MDSS_MDP_RELEASE_FENCE = 0, |
| 43 | MDSS_MDP_RETIRE_FENCE, |
| 44 | }; |
| 45 | |
| 46 | enum layer_pipe_q { |
| 47 | LAYER_USES_NEW_PIPE_Q = 0, |
| 48 | LAYER_USES_USED_PIPE_Q, |
| 49 | LAYER_USES_DESTROY_PIPE_Q, |
| 50 | }; |
| 51 | |
| 52 | enum layer_zorder_used { |
| 53 | LAYER_ZORDER_NONE = 0, |
| 54 | LAYER_ZORDER_LEFT = 1, |
| 55 | LAYER_ZORDER_RIGHT = 2, |
| 56 | LAYER_ZORDER_BOTH = 3, |
| 57 | }; |
| 58 | |
| 59 | struct mdss_mdp_validate_info_t { |
| 60 | struct mdp_input_layer *layer; |
| 61 | struct mdss_mdp_pipe_multirect_params multirect; |
| 62 | }; |
| 63 | |
| 64 | /* |
| 65 | * __layer_needs_src_split() - check needs source split configuration |
| 66 | * @layer: input layer |
| 67 | * |
| 68 | * return true if the layer should be used as source split |
| 69 | */ |
| 70 | static bool __layer_needs_src_split(struct mdp_input_layer *layer) |
| 71 | { |
| 72 | struct mdss_data_type *mdata = mdss_mdp_get_mdata(); |
| 73 | |
| 74 | return (layer->flags & MDP_LAYER_ASYNC) || |
| 75 | mdss_has_quirk(mdata, MDSS_QUIRK_SRC_SPLIT_ALWAYS); |
| 76 | } |
| 77 | |
| 78 | static int __async_update_position_check(struct msm_fb_data_type *mfd, |
| 79 | struct mdss_mdp_pipe *pipe, struct mdp_point *src, |
| 80 | struct mdp_point *dst) |
| 81 | { |
| 82 | struct fb_var_screeninfo *var = &mfd->fbi->var; |
| 83 | u32 xres = var->xres; |
| 84 | u32 yres = var->yres; |
| 85 | |
| 86 | if (!pipe->async_update |
| 87 | || CHECK_LAYER_BOUNDS(src->x, pipe->src.w, pipe->img_width) |
| 88 | || CHECK_LAYER_BOUNDS(src->y, pipe->src.h, pipe->img_height) |
| 89 | || CHECK_LAYER_BOUNDS(dst->x, pipe->dst.w, xres) |
| 90 | || CHECK_LAYER_BOUNDS(dst->y, pipe->dst.h, yres)) { |
| 91 | pr_err("invalid configs: async_update=%d, src:{%d,%d}, dst:{%d,%d}\n", |
| 92 | pipe->async_update, src->x, src->y, dst->x, dst->y); |
| 93 | pr_err("pipe:- src:{%d,%d,%d,%d}, dst:{%d,%d,%d,%d}\n", |
| 94 | pipe->src.x, pipe->src.y, pipe->src.w, pipe->src.h, |
| 95 | pipe->dst.x, pipe->dst.y, pipe->dst.w, pipe->dst.h); |
| 96 | return -EINVAL; |
| 97 | } |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | static int __cursor_layer_check(struct msm_fb_data_type *mfd, |
| 102 | struct mdp_input_layer *layer) |
| 103 | { |
| 104 | struct mdss_data_type *mdata = mdss_mdp_get_mdata(); |
| 105 | |
| 106 | if ((layer->z_order != HW_CURSOR_STAGE(mdata)) |
| 107 | || layer->src_rect.w > mdata->max_cursor_size |
| 108 | || layer->src_rect.h > mdata->max_cursor_size |
| 109 | || layer->src_rect.w != layer->dst_rect.w |
| 110 | || layer->src_rect.h != layer->dst_rect.h |
| 111 | || !mdata->ncursor_pipes) { |
| 112 | pr_err("Incorrect cursor configs for pipe:%d, cursor_pipes:%d, z_order:%d\n", |
| 113 | layer->pipe_ndx, mdata->ncursor_pipes, |
| 114 | layer->z_order); |
| 115 | pr_err("src:{%d,%d,%d,%d}, dst:{%d,%d,%d,%d}\n", |
| 116 | layer->src_rect.x, layer->src_rect.y, |
| 117 | layer->src_rect.w, layer->src_rect.h, |
| 118 | layer->dst_rect.x, layer->dst_rect.y, |
| 119 | layer->dst_rect.w, layer->dst_rect.h); |
| 120 | return -EINVAL; |
| 121 | } |
| 122 | |
| 123 | return 0; |
| 124 | } |
| 125 | |
| 126 | static int __layer_xres_check(struct msm_fb_data_type *mfd, |
| 127 | struct mdp_input_layer *layer) |
| 128 | { |
| 129 | u32 xres = 0; |
| 130 | u32 left_lm_w = left_lm_w_from_mfd(mfd); |
| 131 | struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd); |
| 132 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 133 | |
| 134 | if (layer->dst_rect.x >= left_lm_w) { |
| 135 | if (mdata->has_src_split) |
| 136 | xres = left_lm_w; |
| 137 | else |
| 138 | layer->dst_rect.x -= left_lm_w; |
| 139 | |
| 140 | if (ctl->mixer_right) { |
| 141 | xres += ctl->mixer_right->width; |
| 142 | } else { |
| 143 | pr_err("ov cannot be placed on right mixer\n"); |
| 144 | return -EPERM; |
| 145 | } |
| 146 | } else { |
| 147 | if (ctl->mixer_left) { |
| 148 | xres = ctl->mixer_left->width; |
| 149 | } else { |
| 150 | pr_err("ov cannot be placed on left mixer\n"); |
| 151 | return -EPERM; |
| 152 | } |
| 153 | |
| 154 | if (mdata->has_src_split && ctl->mixer_right) |
| 155 | xres += ctl->mixer_right->width; |
| 156 | } |
| 157 | |
| 158 | if (CHECK_LAYER_BOUNDS(layer->dst_rect.x, layer->dst_rect.w, xres)) { |
| 159 | pr_err("dst_xres is invalid. dst_x:%d, dst_w:%d, xres:%d\n", |
| 160 | layer->dst_rect.x, layer->dst_rect.w, xres); |
| 161 | return -EINVAL; |
| 162 | } |
| 163 | |
| 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | static int __layer_param_check(struct msm_fb_data_type *mfd, |
| 168 | struct mdp_input_layer *layer, struct mdss_mdp_format_params *fmt, |
| 169 | enum mdss_mdp_pipe_rect rect_num) |
| 170 | { |
| 171 | u32 yres; |
| 172 | u32 min_src_size, min_dst_size = 1; |
| 173 | int content_secure; |
| 174 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 175 | struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd); |
| 176 | u32 src_w, src_h, dst_w, dst_h, width, height; |
| 177 | |
| 178 | if (!ctl) { |
| 179 | pr_err("ctl is null\n"); |
| 180 | return -EINVAL; |
| 181 | } |
| 182 | |
| 183 | if (ctl->mixer_left) { |
| 184 | yres = ctl->mixer_left->height; |
| 185 | } else { |
| 186 | pr_debug("Using fb var screen infor for height\n"); |
| 187 | yres = mfd->fbi->var.yres; |
| 188 | } |
| 189 | |
| 190 | content_secure = (layer->flags & MDP_LAYER_SECURE_SESSION); |
| 191 | if (!ctl->is_secure && content_secure && |
| 192 | (mfd->panel.type == WRITEBACK_PANEL)) { |
| 193 | pr_debug("return due to security concerns\n"); |
| 194 | return -EPERM; |
| 195 | } |
| 196 | min_src_size = fmt->is_yuv ? 2 : 1; |
| 197 | |
| 198 | if (layer->z_order >= (mdata->max_target_zorder + MDSS_MDP_STAGE_0)) { |
| 199 | pr_err("zorder %d out of range\n", layer->z_order); |
| 200 | return -EINVAL; |
| 201 | } |
| 202 | |
| 203 | if (!mdss_mdp_pipe_search(mdata, layer->pipe_ndx, rect_num)) { |
| 204 | pr_err("layer pipe is invalid: 0x%x rect:%d\n", |
| 205 | layer->pipe_ndx, rect_num); |
| 206 | return -EINVAL; |
| 207 | } |
| 208 | |
| 209 | width = layer->buffer.width; |
| 210 | height = layer->buffer.height; |
| 211 | if (layer->flags & MDP_LAYER_DEINTERLACE) { |
| 212 | width *= 2; |
| 213 | height /= 2; |
| 214 | } |
| 215 | |
| 216 | if (layer->buffer.width > MAX_IMG_WIDTH || |
| 217 | layer->buffer.height > MAX_IMG_HEIGHT || |
| 218 | layer->src_rect.w < min_src_size || |
| 219 | layer->src_rect.h < min_src_size || |
| 220 | CHECK_LAYER_BOUNDS(layer->src_rect.x, layer->src_rect.w, width) || |
| 221 | CHECK_LAYER_BOUNDS(layer->src_rect.y, layer->src_rect.h, height)) { |
| 222 | pr_err("invalid source image img flag=%d wh=%dx%d rect=%d,%d,%d,%d\n", |
| 223 | layer->flags, width, height, |
| 224 | layer->src_rect.x, layer->src_rect.y, |
| 225 | layer->src_rect.w, layer->src_rect.h); |
| 226 | return -EINVAL; |
| 227 | } |
| 228 | |
| 229 | if (layer->dst_rect.w < min_dst_size || |
| 230 | layer->dst_rect.h < min_dst_size) { |
| 231 | pr_err("invalid destination resolution (%dx%d)", |
| 232 | layer->dst_rect.w, layer->dst_rect.h); |
| 233 | return -EINVAL; |
| 234 | } |
| 235 | |
| 236 | if (layer->horz_deci || layer->vert_deci) { |
| 237 | if (!mdata->has_decimation) { |
| 238 | pr_err("No Decimation in MDP V=%x\n", mdata->mdp_rev); |
| 239 | return -EINVAL; |
| 240 | } else if ((layer->horz_deci > MAX_DECIMATION) || |
| 241 | (layer->vert_deci > MAX_DECIMATION)) { |
| 242 | pr_err("Invalid decimation factors horz=%d vert=%d\n", |
| 243 | layer->horz_deci, layer->vert_deci); |
| 244 | return -EINVAL; |
| 245 | } else if (layer->flags & MDP_LAYER_BWC) { |
| 246 | pr_err("Decimation can't be enabled with BWC\n"); |
| 247 | return -EINVAL; |
| 248 | } else if (fmt->fetch_mode != MDSS_MDP_FETCH_LINEAR) { |
| 249 | pr_err("Decimation can't be enabled with MacroTile format\n"); |
| 250 | return -EINVAL; |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | if (CHECK_LAYER_BOUNDS(layer->dst_rect.y, layer->dst_rect.h, yres)) { |
| 255 | pr_err("invalid vertical destination: y=%d, h=%d, yres=%d\n", |
| 256 | layer->dst_rect.y, layer->dst_rect.h, yres); |
| 257 | return -EOVERFLOW; |
| 258 | } |
| 259 | |
| 260 | dst_w = layer->dst_rect.w; |
| 261 | dst_h = layer->dst_rect.h; |
| 262 | |
| 263 | src_w = layer->src_rect.w >> layer->horz_deci; |
| 264 | src_h = layer->src_rect.h >> layer->vert_deci; |
| 265 | |
| 266 | if (src_w > mdata->max_mixer_width) { |
| 267 | pr_err("invalid source width=%d HDec=%d\n", |
| 268 | layer->src_rect.w, layer->horz_deci); |
| 269 | return -EINVAL; |
| 270 | } |
| 271 | |
| 272 | if ((src_w * MAX_UPSCALE_RATIO) < dst_w) { |
| 273 | pr_err("too much upscaling Width %d->%d\n", |
| 274 | layer->src_rect.w, layer->dst_rect.w); |
| 275 | return -E2BIG; |
| 276 | } |
| 277 | |
| 278 | if ((src_h * MAX_UPSCALE_RATIO) < dst_h) { |
| 279 | pr_err("too much upscaling. Height %d->%d\n", |
| 280 | layer->src_rect.h, layer->dst_rect.h); |
| 281 | return -E2BIG; |
| 282 | } |
| 283 | |
| 284 | if (src_w > (dst_w * MAX_DOWNSCALE_RATIO)) { |
| 285 | pr_err("too much downscaling. Width %d->%d H Dec=%d\n", |
| 286 | src_w, layer->dst_rect.w, layer->horz_deci); |
| 287 | return -E2BIG; |
| 288 | } |
| 289 | |
| 290 | if (src_h > (dst_h * MAX_DOWNSCALE_RATIO)) { |
| 291 | pr_err("too much downscaling. Height %d->%d V Dec=%d\n", |
| 292 | src_h, layer->dst_rect.h, layer->vert_deci); |
| 293 | return -E2BIG; |
| 294 | } |
| 295 | |
| 296 | if (layer->flags & MDP_LAYER_BWC) { |
| 297 | if ((layer->buffer.width != layer->src_rect.w) || |
| 298 | (layer->buffer.height != layer->src_rect.h)) { |
| 299 | pr_err("BWC: mismatch of src img=%dx%d rect=%dx%d\n", |
| 300 | layer->buffer.width, layer->buffer.height, |
| 301 | layer->src_rect.w, layer->src_rect.h); |
| 302 | return -EINVAL; |
| 303 | } |
| 304 | |
| 305 | if (layer->horz_deci || layer->vert_deci) { |
| 306 | pr_err("Can't enable BWC decode && decimate\n"); |
| 307 | return -EINVAL; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | if ((layer->flags & MDP_LAYER_DEINTERLACE) && |
| 312 | !(layer->flags & SCALER_ENABLED)) { |
| 313 | if (layer->flags & MDP_SOURCE_ROTATED_90) { |
| 314 | if ((layer->src_rect.w % 4) != 0) { |
| 315 | pr_err("interlaced rect not h/4\n"); |
| 316 | return -EINVAL; |
| 317 | } |
| 318 | } else if ((layer->src_rect.h % 4) != 0) { |
| 319 | pr_err("interlaced rect not h/4\n"); |
| 320 | return -EINVAL; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | if (fmt->is_yuv) { |
| 325 | if ((layer->src_rect.x & 0x1) || (layer->src_rect.y & 0x1) || |
| 326 | (layer->src_rect.w & 0x1) || (layer->src_rect.h & 0x1)) { |
| 327 | pr_err("invalid odd src resolution or coordinates\n"); |
| 328 | return -EINVAL; |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | return 0; |
| 333 | } |
| 334 | |
| 335 | /* compare all reconfiguration parameter validation in this API */ |
| 336 | static int __validate_layer_reconfig(struct mdp_input_layer *layer, |
| 337 | struct mdss_mdp_pipe *pipe) |
| 338 | { |
| 339 | int status = 0; |
| 340 | struct mdss_mdp_format_params *src_fmt; |
| 341 | |
| 342 | /* |
| 343 | * csc registers are not double buffered. It is not permitted |
| 344 | * to change them on staged pipe with YUV layer. |
| 345 | */ |
| 346 | if (pipe->csc_coeff_set != layer->color_space) { |
| 347 | src_fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 348 | if (pipe->src_fmt->is_yuv && src_fmt && src_fmt->is_yuv) { |
| 349 | status = -EPERM; |
| 350 | pr_err("csc change is not permitted on used pipe\n"); |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | return status; |
| 355 | } |
| 356 | |
| 357 | static int __validate_single_layer(struct msm_fb_data_type *mfd, |
| 358 | struct mdss_mdp_validate_info_t *layer_info, u32 mixer_mux) |
| 359 | { |
| 360 | u32 bwc_enabled; |
| 361 | int ret; |
| 362 | bool is_vig_needed = false; |
| 363 | struct mdss_mdp_format_params *fmt; |
| 364 | struct mdss_mdp_mixer *mixer = NULL; |
| 365 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 366 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 367 | struct mdp_input_layer *layer = layer_info->layer; |
| 368 | int ptype = get_pipe_type_from_ndx(layer->pipe_ndx); |
| 369 | |
| 370 | if (ptype == MDSS_MDP_PIPE_TYPE_INVALID) { |
| 371 | pr_err("Invalid pipe ndx=%d\n", layer->pipe_ndx); |
| 372 | return -EINVAL; |
| 373 | } |
| 374 | |
| 375 | if ((layer->dst_rect.w > mdata->max_mixer_width) || |
| 376 | (layer->dst_rect.h > MAX_DST_H)) { |
| 377 | pr_err("exceeded max mixer supported resolution %dx%d\n", |
| 378 | layer->dst_rect.w, layer->dst_rect.h); |
| 379 | ret = -EINVAL; |
| 380 | goto exit_fail; |
| 381 | } |
| 382 | |
| 383 | pr_debug("ctl=%u mux=%d z_order=%d flags=0x%x dst_x:%d\n", |
| 384 | mdp5_data->ctl->num, mixer_mux, layer->z_order, |
| 385 | layer->flags, layer->dst_rect.x); |
| 386 | |
| 387 | fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 388 | if (!fmt) { |
| 389 | pr_err("invalid layer format %d\n", layer->buffer.format); |
| 390 | ret = -EINVAL; |
| 391 | goto exit_fail; |
| 392 | } |
| 393 | |
| 394 | bwc_enabled = layer->flags & MDP_LAYER_BWC; |
| 395 | |
| 396 | if (bwc_enabled) { |
| 397 | if (!mdp5_data->mdata->has_bwc) { |
| 398 | pr_err("layer uses bwc format but MDP does not support it\n"); |
| 399 | ret = -EINVAL; |
| 400 | goto exit_fail; |
| 401 | } |
| 402 | |
| 403 | layer->buffer.format = |
| 404 | mdss_mdp_get_rotator_dst_format( |
| 405 | layer->buffer.format, false, bwc_enabled); |
| 406 | fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 407 | if (!fmt) { |
| 408 | pr_err("invalid layer format %d\n", |
| 409 | layer->buffer.format); |
| 410 | ret = -EINVAL; |
| 411 | goto exit_fail; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | if (ptype == MDSS_MDP_PIPE_TYPE_CURSOR) { |
| 416 | ret = __cursor_layer_check(mfd, layer); |
| 417 | if (ret) |
| 418 | goto exit_fail; |
| 419 | } |
| 420 | |
| 421 | ret = __layer_xres_check(mfd, layer); |
| 422 | if (ret) |
| 423 | goto exit_fail; |
| 424 | |
| 425 | ret = __layer_param_check(mfd, layer, fmt, layer_info->multirect.num); |
| 426 | if (ret) |
| 427 | goto exit_fail; |
| 428 | |
| 429 | mixer = mdss_mdp_mixer_get(mdp5_data->ctl, mixer_mux); |
| 430 | if (!mixer) { |
| 431 | pr_err("unable to get %s mixer\n", |
| 432 | (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) ? |
| 433 | "right" : "left"); |
| 434 | ret = -EPERM; |
| 435 | goto exit_fail; |
| 436 | } |
| 437 | |
| 438 | if (fmt->is_yuv || (mdata->has_non_scalar_rgb && |
| 439 | ((layer->src_rect.w != layer->dst_rect.w) || |
| 440 | (layer->src_rect.h != layer->dst_rect.h)))) |
| 441 | is_vig_needed = true; |
| 442 | |
| 443 | if (is_vig_needed && ptype != MDSS_MDP_PIPE_TYPE_VIG) { |
| 444 | pr_err("pipe is non-scalar ndx=%x\n", layer->pipe_ndx); |
| 445 | ret = -EINVAL; |
| 446 | goto exit_fail; |
| 447 | } |
| 448 | |
| 449 | if (((ptype == MDSS_MDP_PIPE_TYPE_DMA) || |
| 450 | (ptype == MDSS_MDP_PIPE_TYPE_CURSOR)) && |
| 451 | (layer->dst_rect.h != layer->src_rect.h || |
| 452 | layer->dst_rect.w != layer->src_rect.w)) { |
| 453 | pr_err("no scaling supported on dma/cursor pipe, pipe num:%d\n", |
| 454 | layer->pipe_ndx); |
| 455 | return -EINVAL; |
| 456 | } |
| 457 | |
| 458 | exit_fail: |
| 459 | return ret; |
| 460 | } |
| 461 | |
| 462 | static int __configure_pipe_params(struct msm_fb_data_type *mfd, |
| 463 | struct mdss_mdp_validate_info_t *vinfo, struct mdss_mdp_pipe *pipe, |
| 464 | struct mdss_mdp_pipe *left_blend_pipe, bool is_single_layer, |
| 465 | u32 mixer_mux) |
| 466 | { |
| 467 | int ret = 0; |
| 468 | u32 left_lm_w = left_lm_w_from_mfd(mfd); |
| 469 | u32 flags; |
| 470 | bool is_right_blend = false; |
| 471 | |
| 472 | struct mdss_mdp_mixer *mixer = NULL; |
| 473 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 474 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 475 | struct mdp_input_layer *layer = vinfo->layer; |
| 476 | |
| 477 | mixer = mdss_mdp_mixer_get(mdp5_data->ctl, mixer_mux); |
| 478 | pipe->src_fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 479 | if (!pipe->src_fmt || !mixer) { |
| 480 | pr_err("invalid layer format:%d or mixer:%pK\n", |
| 481 | layer->buffer.format, pipe->mixer_left); |
| 482 | ret = -EINVAL; |
| 483 | goto end; |
| 484 | } |
| 485 | |
| 486 | pipe->comp_ratio = layer->buffer.comp_ratio; |
| 487 | |
| 488 | if (mfd->panel_orientation) |
| 489 | layer->flags ^= mfd->panel_orientation; |
| 490 | |
| 491 | pipe->mixer_left = mixer; |
| 492 | pipe->mfd = mfd; |
| 493 | pipe->play_cnt = 0; |
| 494 | pipe->flags = 0; |
| 495 | |
| 496 | if (layer->flags & MDP_LAYER_FLIP_LR) |
| 497 | pipe->flags = MDP_FLIP_LR; |
| 498 | if (layer->flags & MDP_LAYER_FLIP_UD) |
| 499 | pipe->flags |= MDP_FLIP_UD; |
| 500 | if (layer->flags & MDP_LAYER_SECURE_SESSION) |
| 501 | pipe->flags |= MDP_SECURE_OVERLAY_SESSION; |
| 502 | if (layer->flags & MDP_LAYER_SECURE_DISPLAY_SESSION) |
| 503 | pipe->flags |= MDP_SECURE_DISPLAY_OVERLAY_SESSION; |
| 504 | if (layer->flags & MDP_LAYER_SOLID_FILL) |
| 505 | pipe->flags |= MDP_SOLID_FILL; |
| 506 | if (layer->flags & MDP_LAYER_DEINTERLACE) |
| 507 | pipe->flags |= MDP_DEINTERLACE; |
| 508 | if (layer->flags & MDP_LAYER_BWC) |
| 509 | pipe->flags |= MDP_BWC_EN; |
| 510 | if (layer->flags & MDP_LAYER_PP) |
| 511 | pipe->flags |= MDP_OVERLAY_PP_CFG_EN; |
| 512 | |
| 513 | pipe->is_fg = layer->flags & MDP_LAYER_FORGROUND; |
| 514 | pipe->img_width = layer->buffer.width & 0x3fff; |
| 515 | pipe->img_height = layer->buffer.height & 0x3fff; |
| 516 | pipe->src.x = layer->src_rect.x; |
| 517 | pipe->src.y = layer->src_rect.y; |
| 518 | pipe->src.w = layer->src_rect.w; |
| 519 | pipe->src.h = layer->src_rect.h; |
| 520 | pipe->dst.x = layer->dst_rect.x; |
| 521 | pipe->dst.y = layer->dst_rect.y; |
| 522 | pipe->dst.w = layer->dst_rect.w; |
| 523 | pipe->dst.h = layer->dst_rect.h; |
| 524 | pipe->horz_deci = layer->horz_deci; |
| 525 | pipe->vert_deci = layer->vert_deci; |
| 526 | pipe->bg_color = layer->bg_color; |
| 527 | pipe->alpha = layer->alpha; |
| 528 | pipe->transp = layer->transp_mask; |
| 529 | pipe->blend_op = layer->blend_op; |
| 530 | pipe->is_handed_off = false; |
| 531 | pipe->async_update = (layer->flags & MDP_LAYER_ASYNC) ? true : false; |
| 532 | pipe->csc_coeff_set = layer->color_space; |
| 533 | |
| 534 | if (mixer->ctl) { |
| 535 | pipe->dst.x += mixer->ctl->border_x_off; |
| 536 | pipe->dst.y += mixer->ctl->border_y_off; |
| 537 | pr_debug("border{%d,%d}\n", mixer->ctl->border_x_off, |
| 538 | mixer->ctl->border_y_off); |
| 539 | } |
| 540 | pr_debug("src{%d,%d,%d,%d}, dst{%d,%d,%d,%d}\n", |
| 541 | pipe->src.x, pipe->src.y, pipe->src.w, pipe->src.h, |
| 542 | pipe->dst.x, pipe->dst.y, pipe->dst.w, pipe->dst.h); |
| 543 | |
| 544 | if (layer->flags & SCALER_ENABLED) |
| 545 | memcpy(&pipe->scaler, layer->scale, |
| 546 | sizeof(struct mdp_scale_data_v2)); |
| 547 | |
| 548 | pipe->scaler.enable = (layer->flags & SCALER_ENABLED); |
| 549 | |
| 550 | flags = pipe->flags; |
| 551 | if (is_single_layer) |
| 552 | flags |= PERF_CALC_PIPE_SINGLE_LAYER; |
| 553 | |
| 554 | /* |
| 555 | * async update is allowed only in video mode panels with single LM |
| 556 | * or dual LM with src_split enabled. |
| 557 | */ |
| 558 | if (pipe->async_update && ((is_split_lm(mfd) && !mdata->has_src_split) |
| 559 | || (!mdp5_data->ctl->is_video_mode))) { |
| 560 | pr_err("async update allowed only in video mode panel with src_split\n"); |
| 561 | ret = -EINVAL; |
| 562 | goto end; |
| 563 | } |
| 564 | |
| 565 | /* |
| 566 | * unstage the pipe if it's current z_order does not match with new |
| 567 | * z_order because client may only call the validate. |
| 568 | */ |
| 569 | if (pipe->mixer_stage != layer->z_order) |
| 570 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 571 | |
| 572 | /* |
| 573 | * check if overlay span across two mixers and if source split is |
| 574 | * available. If yes, enable src_split_req flag so that during mixer |
| 575 | * staging, same pipe will be stagged on both layer mixers. |
| 576 | */ |
| 577 | if (mdata->has_src_split) { |
| 578 | is_right_blend = pipe->is_right_blend; |
| 579 | if (left_blend_pipe) { |
| 580 | if (pipe->priority <= left_blend_pipe->priority) { |
| 581 | pr_err("priority limitation. left:%d right%d\n", |
| 582 | left_blend_pipe->priority, |
| 583 | pipe->priority); |
| 584 | ret = -EPERM; |
| 585 | goto end; |
| 586 | } else { |
| 587 | pr_debug("pipe%d is a right_pipe\n", pipe->num); |
| 588 | is_right_blend = true; |
| 589 | } |
| 590 | } else if (pipe->is_right_blend) { |
| 591 | /* |
| 592 | * pipe used to be right blend. So need to update mixer |
| 593 | * configuration to remove it as a right blend. |
| 594 | */ |
| 595 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 596 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right); |
| 597 | is_right_blend = false; |
| 598 | } |
| 599 | |
| 600 | if (is_split_lm(mfd) && __layer_needs_src_split(layer)) { |
| 601 | pipe->src_split_req = true; |
| 602 | } else if ((mixer_mux == MDSS_MDP_MIXER_MUX_LEFT) && |
| 603 | ((layer->dst_rect.x + layer->dst_rect.w) > mixer->width)) { |
| 604 | if (layer->dst_rect.x >= mixer->width) { |
| 605 | pr_err("%pS: err dst_x can't lie in right half", |
| 606 | __builtin_return_address(0)); |
| 607 | pr_cont(" flags:0x%x dst x:%d w:%d lm_w:%d\n", |
| 608 | layer->flags, layer->dst_rect.x, |
| 609 | layer->dst_rect.w, mixer->width); |
| 610 | ret = -EINVAL; |
| 611 | goto end; |
| 612 | } else { |
| 613 | pipe->src_split_req = true; |
| 614 | } |
| 615 | } else { |
| 616 | if (pipe->src_split_req) { |
| 617 | mdss_mdp_mixer_pipe_unstage(pipe, |
| 618 | pipe->mixer_right); |
| 619 | pipe->mixer_right = NULL; |
| 620 | } |
| 621 | pipe->src_split_req = false; |
| 622 | } |
| 623 | pipe->is_right_blend = is_right_blend; |
| 624 | } |
| 625 | |
| 626 | pipe->multirect.mode = vinfo->multirect.mode; |
| 627 | pipe->mixer_stage = layer->z_order; |
| 628 | |
| 629 | if (mfd->panel_orientation & MDP_FLIP_LR) |
| 630 | pipe->dst.x = pipe->mixer_left->width - pipe->dst.x - |
| 631 | pipe->dst.w; |
| 632 | if (mfd->panel_orientation & MDP_FLIP_UD) |
| 633 | pipe->dst.y = pipe->mixer_left->height - pipe->dst.y - |
| 634 | pipe->dst.h; |
| 635 | |
| 636 | memcpy(&pipe->layer, layer, sizeof(struct mdp_input_layer)); |
| 637 | |
| 638 | mdss_mdp_overlay_set_chroma_sample(pipe); |
| 639 | |
| 640 | if (pipe->blend_op == BLEND_OP_NOT_DEFINED) |
| 641 | pipe->blend_op = pipe->src_fmt->alpha_enable ? |
| 642 | BLEND_OP_PREMULTIPLIED : BLEND_OP_OPAQUE; |
| 643 | |
| 644 | if (pipe->src_fmt->is_yuv && !(pipe->flags & MDP_SOURCE_ROTATED_90) && |
| 645 | !pipe->scaler.enable) { |
| 646 | pipe->overfetch_disable = OVERFETCH_DISABLE_BOTTOM; |
| 647 | |
| 648 | if (pipe->dst.x >= left_lm_w) |
| 649 | pipe->overfetch_disable |= OVERFETCH_DISABLE_RIGHT; |
| 650 | pr_debug("overfetch flags=%x\n", pipe->overfetch_disable); |
| 651 | } else { |
| 652 | pipe->overfetch_disable = 0; |
| 653 | } |
| 654 | |
| 655 | /* |
| 656 | * When scaling is enabled src crop and image |
| 657 | * width and height is modified by user |
| 658 | */ |
| 659 | if ((pipe->flags & MDP_DEINTERLACE) && !pipe->scaler.enable) { |
| 660 | if (pipe->flags & MDP_SOURCE_ROTATED_90) { |
| 661 | pipe->src.x = DIV_ROUND_UP(pipe->src.x, 2); |
| 662 | pipe->src.x &= ~1; |
| 663 | pipe->src.w /= 2; |
| 664 | pipe->img_width /= 2; |
| 665 | } else { |
| 666 | pipe->src.h /= 2; |
| 667 | pipe->src.y = DIV_ROUND_UP(pipe->src.y, 2); |
| 668 | pipe->src.y &= ~1; |
| 669 | } |
| 670 | } |
| 671 | |
| 672 | ret = mdss_mdp_overlay_setup_scaling(pipe); |
| 673 | if (ret) { |
| 674 | pr_err("scaling setup failed %d\n", ret); |
| 675 | goto end; |
| 676 | } |
| 677 | |
| 678 | if (layer->flags & MDP_LAYER_PP) { |
| 679 | memcpy(&pipe->pp_cfg, layer->pp_info, |
| 680 | sizeof(struct mdp_overlay_pp_params)); |
| 681 | ret = mdss_mdp_pp_sspp_config(pipe); |
| 682 | if (ret) { |
| 683 | pr_err("pp setup failed %d\n", ret); |
| 684 | goto end; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | if (pipe->type == MDSS_MDP_PIPE_TYPE_CURSOR) |
| 689 | goto end; |
| 690 | |
| 691 | ret = mdp_pipe_tune_perf(pipe, flags); |
| 692 | if (ret) { |
| 693 | pr_err("unable to satisfy performance. ret=%d\n", ret); |
| 694 | goto end; |
| 695 | } |
| 696 | |
| 697 | ret = mdss_mdp_smp_reserve(pipe); |
| 698 | if (ret) { |
| 699 | pr_err("mdss_mdp_smp_reserve failed. pnum:%d ret=%d\n", |
| 700 | pipe->num, ret); |
| 701 | goto end; |
| 702 | } |
| 703 | end: |
| 704 | return ret; |
| 705 | } |
| 706 | |
| 707 | static struct sync_fence *__create_fence(struct msm_fb_data_type *mfd, |
| 708 | struct msm_sync_pt_data *sync_pt_data, u32 fence_type, |
| 709 | int *fence_fd, int value) |
| 710 | { |
| 711 | struct mdss_overlay_private *mdp5_data; |
| 712 | struct mdss_mdp_ctl *ctl; |
| 713 | struct sync_fence *sync_fence = NULL; |
| 714 | char fence_name[32]; |
| 715 | |
| 716 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 717 | |
| 718 | ctl = mdp5_data->ctl; |
| 719 | if (!ctl->ops.add_vsync_handler) { |
| 720 | pr_err("fb%d vsync pending first update\n", mfd->index); |
| 721 | return ERR_PTR(-EOPNOTSUPP); |
| 722 | } |
| 723 | |
| 724 | if (!mdss_mdp_ctl_is_power_on(ctl)) { |
| 725 | pr_err("fb%d ctl power on failed\n", mfd->index); |
| 726 | return ERR_PTR(-EPERM); |
| 727 | } |
| 728 | |
| 729 | if (fence_type == MDSS_MDP_RETIRE_FENCE) |
| 730 | snprintf(fence_name, sizeof(fence_name), "fb%d_retire", |
| 731 | mfd->index); |
| 732 | else |
| 733 | snprintf(fence_name, sizeof(fence_name), "fb%d_release", |
| 734 | mfd->index); |
| 735 | |
| 736 | if ((fence_type == MDSS_MDP_RETIRE_FENCE) && |
| 737 | (mfd->panel.type == MIPI_CMD_PANEL)) { |
| 738 | if (mdp5_data->vsync_timeline) { |
| 739 | value = mdp5_data->vsync_timeline->value + 1 + |
| 740 | mdp5_data->retire_cnt++; |
| 741 | sync_fence = mdss_fb_sync_get_fence( |
| 742 | mdp5_data->vsync_timeline, fence_name, value); |
| 743 | } else { |
| 744 | return ERR_PTR(-EPERM); |
| 745 | } |
| 746 | } else { |
| 747 | sync_fence = mdss_fb_sync_get_fence(sync_pt_data->timeline, |
| 748 | fence_name, value); |
| 749 | } |
| 750 | |
| 751 | if (IS_ERR_OR_NULL(sync_fence)) { |
| 752 | pr_err("%s: unable to retrieve release fence\n", fence_name); |
| 753 | goto end; |
| 754 | } |
| 755 | |
| 756 | /* get fence fd */ |
| 757 | *fence_fd = get_unused_fd_flags(0); |
| 758 | if (*fence_fd < 0) { |
| 759 | pr_err("%s: get_unused_fd_flags failed error:0x%x\n", |
| 760 | fence_name, *fence_fd); |
| 761 | sync_fence_put(sync_fence); |
| 762 | sync_fence = NULL; |
| 763 | goto end; |
| 764 | } |
| 765 | |
| 766 | end: |
| 767 | return sync_fence; |
| 768 | } |
| 769 | |
| 770 | /* |
| 771 | * __handle_buffer_fences() - copy sync fences and return release/retire |
| 772 | * fence to caller. |
| 773 | * |
| 774 | * This function copies all input sync fences to acquire fence array and |
| 775 | * returns release/retire fences to caller. It acts like buff_sync ioctl. |
| 776 | */ |
| 777 | static int __handle_buffer_fences(struct msm_fb_data_type *mfd, |
| 778 | struct mdp_layer_commit_v1 *commit, struct mdp_input_layer *layer_list) |
| 779 | { |
| 780 | struct sync_fence *fence, *release_fence, *retire_fence; |
| 781 | struct msm_sync_pt_data *sync_pt_data = NULL; |
| 782 | struct mdp_input_layer *layer; |
| 783 | int value; |
| 784 | |
| 785 | u32 acq_fen_count, i, ret = 0; |
| 786 | u32 layer_count = commit->input_layer_cnt; |
| 787 | |
| 788 | sync_pt_data = &mfd->mdp_sync_pt_data; |
| 789 | if (!sync_pt_data) { |
| 790 | pr_err("sync point data are NULL\n"); |
| 791 | return -EINVAL; |
| 792 | } |
| 793 | |
| 794 | i = mdss_fb_wait_for_fence(sync_pt_data); |
| 795 | if (i > 0) |
| 796 | pr_warn("%s: waited on %d active fences\n", |
| 797 | sync_pt_data->fence_name, i); |
| 798 | |
| 799 | mutex_lock(&sync_pt_data->sync_mutex); |
| 800 | for (i = 0, acq_fen_count = 0; i < layer_count; i++) { |
| 801 | layer = &layer_list[i]; |
| 802 | |
| 803 | if (layer->buffer.fence < 0) |
| 804 | continue; |
| 805 | |
| 806 | fence = sync_fence_fdget(layer->buffer.fence); |
| 807 | if (!fence) { |
| 808 | pr_err("%s: sync fence get failed! fd=%d\n", |
| 809 | sync_pt_data->fence_name, layer->buffer.fence); |
| 810 | ret = -EINVAL; |
| 811 | break; |
| 812 | } |
| 813 | sync_pt_data->acq_fen[acq_fen_count++] = fence; |
| 814 | } |
| 815 | sync_pt_data->acq_fen_cnt = acq_fen_count; |
| 816 | if (ret) |
| 817 | goto sync_fence_err; |
| 818 | |
| 819 | value = sync_pt_data->timeline_value + sync_pt_data->threshold + |
| 820 | atomic_read(&sync_pt_data->commit_cnt); |
| 821 | |
| 822 | release_fence = __create_fence(mfd, sync_pt_data, |
| 823 | MDSS_MDP_RELEASE_FENCE, &commit->release_fence, value); |
| 824 | if (IS_ERR_OR_NULL(release_fence)) { |
| 825 | pr_err("unable to retrieve release fence\n"); |
| 826 | ret = PTR_ERR(release_fence); |
| 827 | goto release_fence_err; |
| 828 | } |
| 829 | |
| 830 | retire_fence = __create_fence(mfd, sync_pt_data, |
| 831 | MDSS_MDP_RETIRE_FENCE, &commit->retire_fence, value); |
| 832 | if (IS_ERR_OR_NULL(retire_fence)) { |
| 833 | pr_err("unable to retrieve retire fence\n"); |
| 834 | ret = PTR_ERR(retire_fence); |
| 835 | goto retire_fence_err; |
| 836 | } |
| 837 | |
| 838 | sync_fence_install(release_fence, commit->release_fence); |
| 839 | sync_fence_install(retire_fence, commit->retire_fence); |
| 840 | |
| 841 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 842 | return ret; |
| 843 | |
| 844 | retire_fence_err: |
| 845 | put_unused_fd(commit->release_fence); |
| 846 | sync_fence_put(release_fence); |
| 847 | release_fence_err: |
| 848 | commit->retire_fence = -1; |
| 849 | commit->release_fence = -1; |
| 850 | sync_fence_err: |
| 851 | for (i = 0; i < sync_pt_data->acq_fen_cnt; i++) |
| 852 | sync_fence_put(sync_pt_data->acq_fen[i]); |
| 853 | sync_pt_data->acq_fen_cnt = 0; |
| 854 | |
| 855 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 856 | |
| 857 | return ret; |
| 858 | } |
| 859 | |
| 860 | /* |
| 861 | * __map_layer_buffer() - map input layer buffer |
| 862 | * |
| 863 | * This function maps input layer buffer. It supports only single layer |
| 864 | * buffer mapping right now. This is case for all formats including UBWC. |
| 865 | */ |
| 866 | static struct mdss_mdp_data *__map_layer_buffer(struct msm_fb_data_type *mfd, |
| 867 | struct mdss_mdp_pipe *pipe, |
| 868 | struct mdss_mdp_validate_info_t *validate_info_list, |
| 869 | u32 layer_count) |
| 870 | { |
| 871 | struct mdss_mdp_data *src_data; |
| 872 | struct mdp_input_layer *layer = NULL; |
| 873 | struct mdp_layer_buffer *buffer; |
| 874 | struct msmfb_data image; |
| 875 | int i, ret; |
| 876 | u32 flags; |
| 877 | struct mdss_mdp_validate_info_t *vitem; |
| 878 | |
| 879 | for (i = 0; i < layer_count; i++) { |
| 880 | vitem = &validate_info_list[i]; |
| 881 | layer = vitem->layer; |
| 882 | if ((layer->pipe_ndx == pipe->ndx) && |
| 883 | (vitem->multirect.num == pipe->multirect.num)) |
| 884 | break; |
| 885 | } |
| 886 | |
| 887 | if (i == layer_count) { |
| 888 | pr_err("layer count index is out of bound\n"); |
| 889 | src_data = ERR_PTR(-EINVAL); |
| 890 | goto end; |
| 891 | } |
| 892 | |
| 893 | buffer = &layer->buffer; |
| 894 | |
| 895 | if (pipe->flags & MDP_SOLID_FILL) { |
| 896 | pr_err("Unexpected buffer queue to a solid fill pipe\n"); |
| 897 | src_data = ERR_PTR(-EINVAL); |
| 898 | goto end; |
| 899 | } |
| 900 | |
| 901 | flags = (pipe->flags & (MDP_SECURE_OVERLAY_SESSION | |
| 902 | MDP_SECURE_DISPLAY_OVERLAY_SESSION)); |
| 903 | |
| 904 | if (buffer->planes[0].fd < 0) { |
| 905 | pr_err("invalid file descriptor for layer buffer\n"); |
| 906 | src_data = ERR_PTR(-EINVAL); |
| 907 | goto end; |
| 908 | } |
| 909 | |
| 910 | src_data = mdss_mdp_overlay_buf_alloc(mfd, pipe); |
| 911 | if (!src_data) { |
| 912 | pr_err("unable to allocate source buffer\n"); |
| 913 | src_data = ERR_PTR(-ENOMEM); |
| 914 | goto end; |
| 915 | } |
| 916 | memset(&image, 0, sizeof(image)); |
| 917 | |
| 918 | image.memory_id = buffer->planes[0].fd; |
| 919 | image.offset = buffer->planes[0].offset; |
| 920 | ret = mdss_mdp_data_get_and_validate_size(src_data, &image, 1, |
| 921 | flags, &mfd->pdev->dev, false, DMA_TO_DEVICE, |
| 922 | buffer); |
| 923 | if (ret) |
| 924 | goto end_buf_free; |
| 925 | |
| 926 | src_data->num_planes = 1; |
| 927 | return src_data; |
| 928 | |
| 929 | end_buf_free: |
| 930 | mdss_mdp_overlay_buf_free(mfd, src_data); |
| 931 | src_data = ERR_PTR(ret); |
| 932 | end: |
| 933 | return src_data; |
| 934 | } |
| 935 | |
| 936 | static inline bool __compare_layer_config(struct mdp_input_layer *validate, |
| 937 | struct mdss_mdp_pipe *pipe) |
| 938 | { |
| 939 | struct mdp_input_layer *layer = &pipe->layer; |
| 940 | bool status = true; |
| 941 | |
| 942 | status = !memcmp(&validate->src_rect, &layer->src_rect, |
| 943 | sizeof(validate->src_rect)) && |
| 944 | !memcmp(&validate->dst_rect, &layer->dst_rect, |
| 945 | sizeof(validate->dst_rect)) && |
| 946 | validate->flags == layer->flags && |
| 947 | validate->horz_deci == layer->horz_deci && |
| 948 | validate->vert_deci == layer->vert_deci && |
| 949 | validate->alpha == layer->alpha && |
| 950 | validate->color_space == layer->color_space && |
| 951 | validate->z_order == (layer->z_order - MDSS_MDP_STAGE_0) && |
| 952 | validate->transp_mask == layer->transp_mask && |
| 953 | validate->bg_color == layer->bg_color && |
| 954 | validate->blend_op == layer->blend_op && |
| 955 | validate->buffer.width == layer->buffer.width && |
| 956 | validate->buffer.height == layer->buffer.height && |
| 957 | validate->buffer.format == layer->buffer.format; |
| 958 | |
| 959 | if (status && (validate->flags & SCALER_ENABLED)) |
| 960 | status = !memcmp(validate->scale, &pipe->scaler, |
| 961 | sizeof(pipe->scaler)); |
| 962 | |
| 963 | return status; |
| 964 | } |
| 965 | |
| 966 | /* |
| 967 | * __find_layer_in_validate_q() - Search layer in validation queue |
| 968 | * |
| 969 | * This functions helps to skip validation for layers where only buffer is |
| 970 | * changing. For ex: video playback case. In order to skip validation, it |
| 971 | * compares all input layer params except buffer handle, offset, fences. |
| 972 | */ |
| 973 | static struct mdss_mdp_pipe *__find_layer_in_validate_q( |
| 974 | struct mdss_mdp_validate_info_t *vinfo, |
| 975 | struct mdss_overlay_private *mdp5_data) |
| 976 | { |
| 977 | bool found = false; |
| 978 | struct mdss_mdp_pipe *pipe; |
| 979 | struct mdp_input_layer *layer = vinfo->layer; |
| 980 | |
| 981 | mutex_lock(&mdp5_data->list_lock); |
| 982 | list_for_each_entry(pipe, &mdp5_data->pipes_used, list) { |
| 983 | if ((pipe->ndx == layer->pipe_ndx) && |
| 984 | (pipe->multirect.num == vinfo->multirect.num)) { |
| 985 | if (__compare_layer_config(layer, pipe)) |
| 986 | found = true; |
| 987 | break; |
| 988 | } |
| 989 | } |
| 990 | mutex_unlock(&mdp5_data->list_lock); |
| 991 | |
| 992 | return found ? pipe : NULL; |
| 993 | } |
| 994 | |
| 995 | static bool __find_pipe_in_list(struct list_head *head, |
| 996 | int pipe_ndx, struct mdss_mdp_pipe **out_pipe, |
| 997 | enum mdss_mdp_pipe_rect rect_num) |
| 998 | { |
| 999 | struct mdss_mdp_pipe *pipe; |
| 1000 | |
| 1001 | list_for_each_entry(pipe, head, list) { |
| 1002 | if ((pipe_ndx == pipe->ndx) && |
| 1003 | (rect_num == pipe->multirect.num)) { |
| 1004 | *out_pipe = pipe; |
| 1005 | return true; |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | return false; |
| 1010 | } |
| 1011 | |
| 1012 | /* |
| 1013 | * Search pipe from destroy and cleanup list to avoid validation failure. |
| 1014 | * It is caller responsibility to hold the list lock before calling this API. |
| 1015 | */ |
| 1016 | static struct mdss_mdp_pipe *__find_and_move_cleanup_pipe( |
| 1017 | struct mdss_overlay_private *mdp5_data, u32 pipe_ndx, |
| 1018 | enum mdss_mdp_pipe_rect rect_num) |
| 1019 | { |
| 1020 | struct mdss_mdp_pipe *pipe = NULL; |
| 1021 | |
| 1022 | if (__find_pipe_in_list(&mdp5_data->pipes_destroy, |
| 1023 | pipe_ndx, &pipe, rect_num)) { |
| 1024 | pr_debug("reuse destroy pipe id:%d ndx:%d rect:%d\n", |
| 1025 | pipe->num, pipe_ndx, rect_num); |
| 1026 | list_move(&pipe->list, &mdp5_data->pipes_used); |
| 1027 | } else if (__find_pipe_in_list(&mdp5_data->pipes_cleanup, |
| 1028 | pipe_ndx, &pipe, rect_num)) { |
| 1029 | pr_debug("reuse cleanup pipe id:%d ndx:%d rect:%d\n", |
| 1030 | pipe->num, pipe_ndx, rect_num); |
| 1031 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 1032 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right); |
| 1033 | pipe->mixer_stage = MDSS_MDP_STAGE_UNUSED; |
| 1034 | list_move(&pipe->list, &mdp5_data->pipes_used); |
| 1035 | } |
| 1036 | |
| 1037 | return pipe; |
| 1038 | } |
| 1039 | |
| 1040 | /* |
| 1041 | * __assign_pipe_for_layer() - get a pipe for layer |
| 1042 | * |
| 1043 | * This function first searches the pipe from used list, cleanup list and |
| 1044 | * destroy list. On successful search, it returns the same pipe for current |
| 1045 | * layer. It also un-stage the pipe from current mixer for used, cleanup, |
| 1046 | * destroy pipes if they switches the mixer. On failure search, it returns |
| 1047 | * the null pipe. |
| 1048 | */ |
| 1049 | static struct mdss_mdp_pipe *__assign_pipe_for_layer( |
| 1050 | struct msm_fb_data_type *mfd, |
| 1051 | struct mdss_mdp_mixer *mixer, u32 pipe_ndx, |
| 1052 | enum layer_pipe_q *pipe_q_type, |
| 1053 | enum mdss_mdp_pipe_rect rect_num) |
| 1054 | { |
| 1055 | struct mdss_mdp_pipe *pipe = NULL; |
| 1056 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 1057 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 1058 | |
| 1059 | mutex_lock(&mdp5_data->list_lock); |
| 1060 | __find_pipe_in_list(&mdp5_data->pipes_used, pipe_ndx, &pipe, rect_num); |
| 1061 | if (IS_ERR_OR_NULL(pipe)) { |
| 1062 | pipe = __find_and_move_cleanup_pipe(mdp5_data, |
| 1063 | pipe_ndx, rect_num); |
| 1064 | if (IS_ERR_OR_NULL(pipe)) |
| 1065 | *pipe_q_type = LAYER_USES_NEW_PIPE_Q; |
| 1066 | else |
| 1067 | *pipe_q_type = LAYER_USES_DESTROY_PIPE_Q; |
| 1068 | } else { |
| 1069 | *pipe_q_type = LAYER_USES_USED_PIPE_Q; |
| 1070 | } |
| 1071 | mutex_unlock(&mdp5_data->list_lock); |
| 1072 | |
| 1073 | /* found the pipe from used, destroy or cleanup list */ |
| 1074 | if (!IS_ERR_OR_NULL(pipe)) { |
| 1075 | if (pipe->mixer_left != mixer) { |
| 1076 | if (!mixer->ctl || (mixer->ctl->mfd != mfd)) { |
| 1077 | pr_err("Can't switch mixer %d->%d pnum %d!\n", |
| 1078 | pipe->mixer_left->num, mixer->num, |
| 1079 | pipe->num); |
| 1080 | pipe = ERR_PTR(-EINVAL); |
| 1081 | goto end; |
| 1082 | } |
| 1083 | pr_debug("switching pipe%d mixer %d->%d\n", |
| 1084 | pipe->num, |
| 1085 | pipe->mixer_left ? pipe->mixer_left->num : -1, |
| 1086 | mixer->num); |
| 1087 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 1088 | pipe->mixer_left = mixer; |
| 1089 | } |
| 1090 | goto end; |
| 1091 | } |
| 1092 | |
| 1093 | pipe = mdss_mdp_pipe_assign(mdata, mixer, pipe_ndx, rect_num); |
| 1094 | if (IS_ERR_OR_NULL(pipe)) { |
| 1095 | pr_err("error reserving pipe. pipe_ndx=0x%x rect_num=%d mfd ndx=%d\n", |
| 1096 | pipe_ndx, rect_num, mfd->index); |
| 1097 | goto end; |
| 1098 | } |
| 1099 | |
| 1100 | mutex_lock(&mdp5_data->list_lock); |
| 1101 | list_add(&pipe->list, &mdp5_data->pipes_used); |
| 1102 | mutex_unlock(&mdp5_data->list_lock); |
| 1103 | |
| 1104 | end: |
| 1105 | if (!IS_ERR_OR_NULL(pipe)) { |
| 1106 | pipe->dirty = false; |
| 1107 | pipe->params_changed++; |
| 1108 | } |
| 1109 | return pipe; |
| 1110 | } |
| 1111 | |
| 1112 | /* |
| 1113 | * __is_sd_state_valid() - validate secure display state |
| 1114 | * |
| 1115 | * This function checks if the current state of secrure display is valid, |
| 1116 | * based on the new settings. |
| 1117 | * For command mode panels, the sd state would be invalid if a non secure pipe |
| 1118 | * comes and one of the below condition is met: |
| 1119 | * 1) Secure Display is enabled for current client, and there is other |
| 1120 | secure client. |
| 1121 | * 2) Secure Display is disabled for current client, and there is other |
| 1122 | secure client. |
| 1123 | * 3) Secure pipes are already staged for the current client. |
| 1124 | * For other panels, the sd state would be invalid if a non secure pipe comes |
| 1125 | * and one of the below condition is met: |
| 1126 | * 1) Secure Display is enabled for current or other client. |
| 1127 | * 2) Secure pipes are already staged for the current client. |
| 1128 | * |
| 1129 | */ |
| 1130 | static inline bool __is_sd_state_valid(uint32_t sd_pipes, uint32_t nonsd_pipes, |
| 1131 | int panel_type, u32 sd_enabled) |
| 1132 | { |
| 1133 | if (panel_type == MIPI_CMD_PANEL) { |
| 1134 | if ((((mdss_get_sd_client_cnt() > 1) && sd_enabled) || |
| 1135 | (mdss_get_sd_client_cnt() && !sd_enabled) || |
| 1136 | sd_pipes) |
| 1137 | && nonsd_pipes) |
| 1138 | return false; |
| 1139 | } else { |
| 1140 | if ((sd_pipes || mdss_get_sd_client_cnt()) && nonsd_pipes) |
| 1141 | return false; |
| 1142 | } |
| 1143 | return true; |
| 1144 | } |
| 1145 | |
| 1146 | /* |
| 1147 | * __validate_secure_display() - validate secure display |
| 1148 | * |
| 1149 | * This function travers through used pipe list and checks if any pipe |
| 1150 | * is with secure display enabled flag. It fails if client tries to stage |
| 1151 | * unsecure content with secure display session. |
| 1152 | * |
| 1153 | */ |
| 1154 | static int __validate_secure_display(struct mdss_overlay_private *mdp5_data) |
| 1155 | { |
| 1156 | struct mdss_mdp_pipe *pipe, *tmp; |
| 1157 | uint32_t sd_pipes = 0, nonsd_pipes = 0; |
| 1158 | int panel_type = mdp5_data->ctl->panel_data->panel_info.type; |
| 1159 | int ret = 0; |
| 1160 | |
| 1161 | mutex_lock(&mdp5_data->list_lock); |
| 1162 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
| 1163 | if (pipe->flags & MDP_SECURE_DISPLAY_OVERLAY_SESSION) |
| 1164 | sd_pipes++; |
| 1165 | else |
| 1166 | nonsd_pipes++; |
| 1167 | } |
| 1168 | mutex_unlock(&mdp5_data->list_lock); |
| 1169 | |
| 1170 | pr_debug("pipe count:: secure display:%d non-secure:%d\n", |
| 1171 | sd_pipes, nonsd_pipes); |
| 1172 | |
| 1173 | mdp5_data->sd_transition_state = SD_TRANSITION_NONE; |
| 1174 | if (!__is_sd_state_valid(sd_pipes, nonsd_pipes, panel_type, |
| 1175 | mdp5_data->sd_enabled)) { |
| 1176 | pr_err("non-secure layer validation request during secure display session\n"); |
| 1177 | pr_err(" secure client cnt:%d secure pipe cnt:%d non-secure pipe cnt:%d\n", |
| 1178 | mdss_get_sd_client_cnt(), sd_pipes, nonsd_pipes); |
| 1179 | ret = -EINVAL; |
| 1180 | } else if (!mdp5_data->sd_enabled && sd_pipes) { |
| 1181 | mdp5_data->sd_transition_state = |
| 1182 | SD_TRANSITION_NON_SECURE_TO_SECURE; |
| 1183 | } else if (mdp5_data->sd_enabled && !sd_pipes) { |
| 1184 | mdp5_data->sd_transition_state = |
| 1185 | SD_TRANSITION_SECURE_TO_NON_SECURE; |
| 1186 | } |
| 1187 | return ret; |
| 1188 | } |
| 1189 | |
| 1190 | /* |
| 1191 | * __handle_free_list() - updates free pipe list |
| 1192 | * |
| 1193 | * This function travers through used pipe list and checks if any pipe |
| 1194 | * is not staged in current validation cycle. It moves the pipe to cleanup |
| 1195 | * list if no layer is attached for that pipe. |
| 1196 | * |
| 1197 | * This should be called after validation is successful for current cycle. |
| 1198 | * Moving pipes before can affects staged pipe for previous cycle. |
| 1199 | */ |
| 1200 | static void __handle_free_list(struct mdss_overlay_private *mdp5_data, |
| 1201 | struct mdss_mdp_validate_info_t *validate_info_list, u32 layer_count) |
| 1202 | { |
| 1203 | int i; |
| 1204 | struct mdp_input_layer *layer; |
| 1205 | struct mdss_mdp_validate_info_t *vinfo; |
| 1206 | struct mdss_mdp_pipe *pipe, *tmp; |
| 1207 | |
| 1208 | mutex_lock(&mdp5_data->list_lock); |
| 1209 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
| 1210 | for (i = 0; i < layer_count; i++) { |
| 1211 | vinfo = &validate_info_list[i]; |
| 1212 | layer = vinfo->layer; |
| 1213 | |
| 1214 | if ((pipe->ndx == layer->pipe_ndx) && |
| 1215 | (pipe->multirect.num == vinfo->multirect.num)) |
| 1216 | break; |
| 1217 | } |
| 1218 | |
| 1219 | /* |
| 1220 | * if validate cycle is not attaching any layer for this |
| 1221 | * pipe then move it to cleanup list. It does overlay_unset |
| 1222 | * task. |
| 1223 | */ |
| 1224 | if (i == layer_count) |
| 1225 | list_move(&pipe->list, &mdp5_data->pipes_cleanup); |
| 1226 | } |
| 1227 | mutex_unlock(&mdp5_data->list_lock); |
| 1228 | } |
| 1229 | |
| 1230 | static bool __multirect_validate_flip(struct mdp_input_layer **layers, |
| 1231 | size_t count) |
| 1232 | { |
| 1233 | /* not supporting more than 2 layers */ |
| 1234 | if (count != 2) |
| 1235 | return false; |
| 1236 | |
| 1237 | /* flip related validation */ |
| 1238 | if ((layers[0]->flags & MDP_LAYER_FLIP_LR) || |
| 1239 | (layers[1]->flags & MDP_LAYER_FLIP_LR)) { |
| 1240 | pr_err("multirect and HFLIP is not allowed. input layer flags=0x%x paired layer flags=0x%x\n", |
| 1241 | layers[0]->flags, layers[1]->flags); |
| 1242 | return false; |
| 1243 | } |
| 1244 | if ((layers[0]->flags & MDP_LAYER_FLIP_UD) != |
| 1245 | (layers[1]->flags & MDP_LAYER_FLIP_UD)) { |
| 1246 | pr_err("multirect VLFIP mismatch is not allowed\n"); |
| 1247 | return false; |
| 1248 | } |
| 1249 | |
| 1250 | return true; |
| 1251 | } |
| 1252 | |
| 1253 | static bool __multirect_validate_format(struct mdp_input_layer **layers, |
| 1254 | size_t count) |
| 1255 | { |
| 1256 | struct mdss_mdp_format_params *rec0_fmt, *rec1_fmt; |
| 1257 | bool is_ubwc; |
| 1258 | |
| 1259 | /* not supporting more than 2 layers */ |
| 1260 | if (count != 2) |
| 1261 | return false; |
| 1262 | |
| 1263 | /* format related validation */ |
| 1264 | rec0_fmt = mdss_mdp_get_format_params(layers[0]->buffer.format); |
| 1265 | if (!rec0_fmt) { |
| 1266 | pr_err("invalid input layer format %d\n", |
| 1267 | layers[0]->buffer.format); |
| 1268 | return false; |
| 1269 | } |
| 1270 | rec1_fmt = mdss_mdp_get_format_params(layers[1]->buffer.format); |
| 1271 | if (!rec1_fmt) { |
| 1272 | pr_err("invalid paired layer format %d\n", |
| 1273 | layers[1]->buffer.format); |
| 1274 | return false; |
| 1275 | } |
| 1276 | if (rec0_fmt->is_yuv || rec1_fmt->is_yuv) { |
| 1277 | pr_err("multirect on YUV format is not supported. input=%d paired=%d\n", |
| 1278 | rec0_fmt->is_yuv, rec1_fmt->is_yuv); |
| 1279 | return false; |
| 1280 | } |
| 1281 | if (rec0_fmt->fetch_mode != rec1_fmt->fetch_mode) { |
| 1282 | pr_err("multirect fetch_mode mismatch is not allowed. input=%d paired=%d\n", |
| 1283 | rec0_fmt->fetch_mode, rec1_fmt->fetch_mode); |
| 1284 | return false; |
| 1285 | } |
| 1286 | is_ubwc = mdss_mdp_is_ubwc_format(rec0_fmt); |
| 1287 | if (is_ubwc && (rec0_fmt != rec1_fmt)) { |
| 1288 | pr_err("multirect UBWC format mismatch is not allowed\n"); |
| 1289 | return false; |
| 1290 | } else if (rec0_fmt->bpp != rec1_fmt->bpp) { |
| 1291 | pr_err("multirect linear format bpp mismatch is not allowed. input=%d paired=%d\n", |
| 1292 | rec0_fmt->bpp, rec1_fmt->bpp); |
| 1293 | return false; |
| 1294 | } else if (rec0_fmt->unpack_dx_format != rec1_fmt->unpack_dx_format) { |
| 1295 | pr_err("multirect linear format 10bit vs 8bit mismatch is not allowed. input=%d paired=%d\n", |
| 1296 | rec0_fmt->unpack_dx_format, rec1_fmt->unpack_dx_format); |
| 1297 | return false; |
| 1298 | } |
| 1299 | |
| 1300 | if ((layers[0]->flags & MDP_LAYER_SOLID_FILL) != |
| 1301 | (layers[1]->flags & MDP_LAYER_SOLID_FILL)) { |
| 1302 | pr_err("solid fill mismatch between multirect layers\n"); |
| 1303 | return false; |
| 1304 | } |
| 1305 | |
| 1306 | return true; |
| 1307 | } |
| 1308 | |
| 1309 | static bool __multirect_validate_rects(struct mdp_input_layer **layers, |
| 1310 | size_t count) |
| 1311 | { |
| 1312 | struct mdss_rect dst[MDSS_MDP_PIPE_MAX_RECTS]; |
| 1313 | int i; |
| 1314 | |
| 1315 | /* not supporting more than 2 layers */ |
| 1316 | if (count != 2) |
| 1317 | return false; |
| 1318 | |
| 1319 | for (i = 0; i < count; i++) { |
| 1320 | if ((layers[i]->src_rect.w != layers[i]->dst_rect.w) || |
| 1321 | (layers[i]->src_rect.h != layers[i]->dst_rect.h)) { |
| 1322 | pr_err("multirect layers cannot have scaling: src: %dx%d dst: %dx%d\n", |
| 1323 | layers[i]->src_rect.w, layers[i]->src_rect.h, |
| 1324 | layers[i]->dst_rect.w, layers[i]->dst_rect.h); |
| 1325 | return false; |
| 1326 | } |
| 1327 | |
| 1328 | dst[i] = (struct mdss_rect) {layers[i]->dst_rect.x, |
| 1329 | layers[i]->dst_rect.y, |
| 1330 | layers[i]->dst_rect.w, |
| 1331 | layers[i]->dst_rect.h}; |
| 1332 | } |
| 1333 | |
| 1334 | /* resolution related validation */ |
| 1335 | if (mdss_rect_overlap_check(&dst[0], &dst[1])) { |
| 1336 | pr_err("multirect dst overlap is not allowed. input: %d,%d,%d,%d paired %d,%d,%d,%d\n", |
| 1337 | dst[0].x, dst[0].y, dst[0].w, dst[0].y, |
| 1338 | dst[1].x, dst[1].y, dst[1].w, dst[1].y); |
| 1339 | return false; |
| 1340 | } |
| 1341 | |
| 1342 | return true; |
| 1343 | } |
| 1344 | |
| 1345 | static bool __multirect_validate_properties(struct mdp_input_layer **layers, |
| 1346 | size_t count) |
| 1347 | { |
| 1348 | /* not supporting more than 2 layers */ |
| 1349 | if (count != 2) |
| 1350 | return false; |
| 1351 | |
| 1352 | if ((layers[0]->flags & MDP_LAYER_ASYNC) || |
| 1353 | (layers[1]->flags & MDP_LAYER_ASYNC)) { |
| 1354 | pr_err("ASYNC update is not allowed with multirect\n"); |
| 1355 | return false; |
| 1356 | } |
| 1357 | |
| 1358 | if (layers[0]->z_order == layers[1]->z_order) { |
| 1359 | pr_err("multirect layers cannot have same z_order=%d\n", |
| 1360 | layers[0]->z_order); |
| 1361 | return false; |
| 1362 | } |
| 1363 | |
| 1364 | return true; |
| 1365 | } |
| 1366 | |
| 1367 | static bool (*__multirect_validators[])(struct mdp_input_layer **layers, |
| 1368 | size_t count) = { |
| 1369 | __multirect_validate_flip, |
| 1370 | __multirect_validate_format, |
| 1371 | __multirect_validate_rects, |
| 1372 | __multirect_validate_properties, |
| 1373 | }; |
| 1374 | |
| 1375 | static inline int __multirect_layer_flags_to_mode(u32 flags) |
| 1376 | { |
| 1377 | int mode; |
| 1378 | |
| 1379 | if (flags & MDP_LAYER_MULTIRECT_ENABLE) { |
| 1380 | if (flags & MDP_LAYER_MULTIRECT_PARALLEL_MODE) |
| 1381 | mode = MDSS_MDP_PIPE_MULTIRECT_PARALLEL; |
| 1382 | else |
| 1383 | mode = MDSS_MDP_PIPE_MULTIRECT_SERIAL; |
| 1384 | } else { |
| 1385 | if (flags & MDP_LAYER_MULTIRECT_PARALLEL_MODE) { |
| 1386 | pr_err("Invalid parallel mode flag set without multirect enabled\n"); |
| 1387 | return -EINVAL; |
| 1388 | } |
| 1389 | |
| 1390 | mode = MDSS_MDP_PIPE_MULTIRECT_NONE; |
| 1391 | } |
| 1392 | return mode; |
| 1393 | } |
| 1394 | |
| 1395 | static int __multirect_validate_mode(struct msm_fb_data_type *mfd, |
| 1396 | struct mdp_input_layer **layers, |
| 1397 | size_t count) |
| 1398 | { |
| 1399 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 1400 | struct mdss_mdp_format_params *rec0_fmt; |
| 1401 | bool is_ubwc; |
| 1402 | int i, mode; |
| 1403 | struct mdp_rect *dst[MDSS_MDP_PIPE_MAX_RECTS]; |
| 1404 | |
| 1405 | /* not supporting more than 2 layers */ |
| 1406 | if (count != 2) |
| 1407 | return false; |
| 1408 | |
| 1409 | for (i = 0; i < count; i++) |
| 1410 | dst[i] = &layers[i]->dst_rect; |
| 1411 | |
| 1412 | mode = __multirect_layer_flags_to_mode(layers[0]->flags); |
| 1413 | |
| 1414 | /* format related validation */ |
| 1415 | rec0_fmt = mdss_mdp_get_format_params(layers[0]->buffer.format); |
| 1416 | if (!rec0_fmt) { |
| 1417 | pr_err("invalid input layer format %d\n", |
| 1418 | layers[0]->buffer.format); |
| 1419 | return false; |
| 1420 | } |
| 1421 | |
| 1422 | is_ubwc = mdss_mdp_is_ubwc_format(rec0_fmt); |
| 1423 | |
| 1424 | if (mode == MDSS_MDP_PIPE_MULTIRECT_SERIAL) { |
| 1425 | int threshold, yoffset; |
| 1426 | |
| 1427 | if (dst[0]->y < dst[1]->y) |
| 1428 | yoffset = dst[1]->y - (dst[0]->y + dst[0]->h); |
| 1429 | else if (dst[1]->y < dst[0]->y) |
| 1430 | yoffset = dst[0]->y - (dst[1]->y + dst[1]->h); |
| 1431 | else |
| 1432 | yoffset = 0; |
| 1433 | |
| 1434 | /* |
| 1435 | * time multiplexed is possible only if the y position of layers |
| 1436 | * is not overlapping and there is sufficient time to buffer |
| 1437 | * 2 lines/tiles. Otherwise use parallel fetch mode |
| 1438 | */ |
| 1439 | threshold = 2; |
| 1440 | if (is_ubwc) { |
| 1441 | struct mdss_mdp_format_params_ubwc *uf; |
| 1442 | |
| 1443 | /* in ubwc all layers would need to be same format */ |
| 1444 | uf = (struct mdss_mdp_format_params_ubwc *)rec0_fmt; |
| 1445 | threshold *= uf->micro.tile_height; |
| 1446 | } |
| 1447 | |
| 1448 | if (yoffset < threshold) { |
| 1449 | pr_err("Unable to operate in serial fetch mode with yoffset=%d dst[0]=%d,%d dst[1]=%d,%d\n", |
| 1450 | yoffset, dst[0]->y, dst[0]->h, |
| 1451 | dst[1]->y, dst[1]->h); |
| 1452 | return -EINVAL; |
| 1453 | } |
| 1454 | } else if (mode == MDSS_MDP_PIPE_MULTIRECT_PARALLEL) { |
| 1455 | u32 left_lm_w, rec0_mixer, rec1_mixer; |
| 1456 | |
| 1457 | /* |
| 1458 | * For UBWC, 5 lines worth of buffering is needed in to meet |
| 1459 | * the performance which requires 2560w*4bpp*5lines = 50KB, |
| 1460 | * where 2560 is max width. Now let's say pixel ram is fixed to |
| 1461 | * 50KB then in UBWC parellel fetch, maximum width of each |
| 1462 | * rectangle would be 2560/2 = 1280. |
| 1463 | * |
| 1464 | * For Linear, this restriction is avoided because maximum |
| 1465 | * buffering of 2 lines is enough which yields to |
| 1466 | * 2560w*4bpp*2lines=20KB. Based on this, we can have 2 max |
| 1467 | * width rectangles in parrellel fetch mode. |
| 1468 | */ |
| 1469 | if (is_ubwc && |
| 1470 | ((dst[0]->w > (mdata->max_mixer_width / 2)) || |
| 1471 | (dst[1]->w > (mdata->max_mixer_width / 2)))) { |
| 1472 | pr_err("in UBWC multirect parallel mode, max dst_w cannot be greater than %d. rec0_w=%d rec1_w=%d\n", |
| 1473 | mdata->max_mixer_width / 2, |
| 1474 | dst[0]->w, dst[1]->w); |
| 1475 | return -EINVAL; |
| 1476 | } |
| 1477 | |
| 1478 | left_lm_w = left_lm_w_from_mfd(mfd); |
| 1479 | if (dst[0]->x < left_lm_w) { |
| 1480 | if (dst[0]->w > (left_lm_w - dst[0]->x)) { |
| 1481 | pr_err("multirect parallel mode, rec0 dst (%d,%d) cannot cross lm boundary (%d)\n", |
| 1482 | dst[0]->x, dst[0]->w, left_lm_w); |
| 1483 | return -EINVAL; |
| 1484 | } |
| 1485 | rec0_mixer = MDSS_MDP_MIXER_MUX_LEFT; |
| 1486 | } else { |
| 1487 | rec0_mixer = MDSS_MDP_MIXER_MUX_RIGHT; |
| 1488 | } |
| 1489 | |
| 1490 | if (dst[1]->x < left_lm_w) { |
| 1491 | if (dst[0]->w > (left_lm_w - dst[0]->x)) { |
| 1492 | pr_err("multirect parallel mode, rec1 dst (%d,%d) cannot cross lm boundary (%d)\n", |
| 1493 | dst[1]->x, dst[1]->w, left_lm_w); |
| 1494 | return -EINVAL; |
| 1495 | } |
| 1496 | rec1_mixer = MDSS_MDP_MIXER_MUX_LEFT; |
| 1497 | } else { |
| 1498 | rec1_mixer = MDSS_MDP_MIXER_MUX_RIGHT; |
| 1499 | } |
| 1500 | |
| 1501 | if (rec0_mixer != rec1_mixer) { |
| 1502 | pr_err("multirect parallel mode mixer mismatch. rec0_mix=%d rec1_mix=%d\n", |
| 1503 | rec0_mixer, rec1_mixer); |
| 1504 | return -EINVAL; |
| 1505 | } |
| 1506 | } else { |
| 1507 | pr_err("Invalid multirect mode %d\n", mode); |
| 1508 | } |
| 1509 | |
| 1510 | pr_debug("layer->pndx:%d mode=%d\n", layers[0]->pipe_ndx, mode); |
| 1511 | |
| 1512 | return 0; |
| 1513 | } |
| 1514 | |
| 1515 | static int __update_multirect_info(struct msm_fb_data_type *mfd, |
| 1516 | struct mdss_mdp_validate_info_t *validate_info_list, |
| 1517 | struct mdp_input_layer *layer_list, int ndx, int layer_cnt) |
| 1518 | { |
| 1519 | struct mdss_data_type *mdata = mdss_mdp_get_mdata(); |
| 1520 | struct mdss_mdp_validate_info_t *vinfo[MDSS_MDP_PIPE_MAX_RECTS]; |
| 1521 | int i, ptype, max_rects, mode; |
| 1522 | int cnt = 1; |
| 1523 | |
| 1524 | mode = __multirect_layer_flags_to_mode(layer_list[ndx].flags); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1525 | if (IS_ERR_VALUE((unsigned long)mode)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1526 | return mode; |
| 1527 | |
| 1528 | pr_debug("layer #%d pipe_ndx=%d multirect mode=%d\n", |
| 1529 | ndx, layer_list[ndx].pipe_ndx, mode); |
| 1530 | |
| 1531 | vinfo[0] = &validate_info_list[ndx]; |
| 1532 | vinfo[0]->layer = &layer_list[ndx]; |
| 1533 | vinfo[0]->multirect.mode = mode; |
| 1534 | vinfo[0]->multirect.num = MDSS_MDP_PIPE_RECT0; |
| 1535 | vinfo[0]->multirect.next = NULL; |
| 1536 | |
| 1537 | /* nothing to be done if multirect is disabled */ |
| 1538 | if (mode == MDSS_MDP_PIPE_MULTIRECT_NONE) |
| 1539 | return cnt; |
| 1540 | |
| 1541 | ptype = get_pipe_type_from_ndx(layer_list[ndx].pipe_ndx); |
| 1542 | if (ptype == MDSS_MDP_PIPE_TYPE_INVALID) { |
| 1543 | pr_err("invalid pipe ndx %d\n", layer_list[ndx].pipe_ndx); |
| 1544 | return -EINVAL; |
| 1545 | } |
| 1546 | |
| 1547 | max_rects = mdata->rects_per_sspp[ptype] ? : 1; |
| 1548 | |
| 1549 | for (i = ndx + 1; i < layer_cnt; i++) { |
| 1550 | if (layer_list[ndx].pipe_ndx == layer_list[i].pipe_ndx) { |
| 1551 | if (cnt >= max_rects) { |
| 1552 | pr_err("more than %d layers of type %d with same pipe_ndx=%d indexes=%d %d\n", |
| 1553 | max_rects, ptype, |
| 1554 | layer_list[ndx].pipe_ndx, ndx, i); |
| 1555 | return -EINVAL; |
| 1556 | } |
| 1557 | |
| 1558 | mode = __multirect_layer_flags_to_mode( |
| 1559 | layer_list[i].flags); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1560 | if (IS_ERR_VALUE((unsigned long)mode)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1561 | return mode; |
| 1562 | |
| 1563 | if (mode != vinfo[0]->multirect.mode) { |
| 1564 | pr_err("unable to set different multirect modes for pipe_ndx=%d (%d %d)\n", |
| 1565 | layer_list[ndx].pipe_ndx, ndx, i); |
| 1566 | return -EINVAL; |
| 1567 | } |
| 1568 | |
| 1569 | pr_debug("found matching pair for pipe_ndx=%d (%d %d)\n", |
| 1570 | layer_list[i].pipe_ndx, ndx, i); |
| 1571 | |
| 1572 | vinfo[cnt] = &validate_info_list[i]; |
| 1573 | vinfo[cnt]->multirect.num = cnt; |
| 1574 | vinfo[cnt]->multirect.next = vinfo[0]->layer; |
| 1575 | vinfo[cnt]->multirect.mode = mode; |
| 1576 | vinfo[cnt]->layer = &layer_list[i]; |
| 1577 | |
| 1578 | vinfo[cnt - 1]->multirect.next = vinfo[cnt]->layer; |
| 1579 | cnt++; |
| 1580 | } |
| 1581 | } |
| 1582 | |
| 1583 | if (cnt == 1) { |
| 1584 | pr_err("multirect mode enabled but unable to find extra rects for pipe_ndx=%x\n", |
| 1585 | layer_list[ndx].pipe_ndx); |
| 1586 | return -EINVAL; |
| 1587 | } |
| 1588 | |
| 1589 | return cnt; |
| 1590 | } |
| 1591 | |
| 1592 | static int __validate_multirect(struct msm_fb_data_type *mfd, |
| 1593 | struct mdss_mdp_validate_info_t *validate_info_list, |
| 1594 | struct mdp_input_layer *layer_list, int ndx, int layer_cnt) |
| 1595 | { |
| 1596 | struct mdp_input_layer *layers[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1597 | int i, cnt, rc; |
| 1598 | |
| 1599 | cnt = __update_multirect_info(mfd, validate_info_list, |
| 1600 | layer_list, ndx, layer_cnt); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1601 | if (IS_ERR_VALUE((unsigned long)cnt)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1602 | return cnt; |
| 1603 | |
| 1604 | if (cnt <= 1) { |
| 1605 | /* nothing to validate in single rect mode */ |
| 1606 | return 0; |
| 1607 | } else if (cnt > 2) { |
| 1608 | pr_err("unsupported multirect configuration, multirect cnt=%d\n", |
| 1609 | cnt); |
| 1610 | return -EINVAL; |
| 1611 | } |
| 1612 | |
| 1613 | layers[0] = validate_info_list[ndx].layer; |
| 1614 | layers[1] = validate_info_list[ndx].multirect.next; |
| 1615 | |
| 1616 | for (i = 0; i < ARRAY_SIZE(__multirect_validators); i++) { |
| 1617 | if (!__multirect_validators[i](layers, cnt)) |
| 1618 | return -EINVAL; |
| 1619 | } |
| 1620 | |
| 1621 | rc = __multirect_validate_mode(mfd, layers, cnt); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1622 | if (IS_ERR_VALUE((unsigned long)rc)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1623 | return rc; |
| 1624 | |
| 1625 | return 0; |
| 1626 | } |
| 1627 | |
| 1628 | /* |
| 1629 | * __validate_layers() - validate input layers |
| 1630 | * @mfd: Framebuffer data structure for display |
| 1631 | * @commit: Commit version-1 structure for display |
| 1632 | * |
| 1633 | * This function validates all input layers present in layer_list. In case |
| 1634 | * of failure, it updates the "error_code" for failed layer. It is possible |
| 1635 | * to find failed layer from layer_list based on "error_code". |
| 1636 | */ |
| 1637 | static int __validate_layers(struct msm_fb_data_type *mfd, |
| 1638 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 1639 | { |
| 1640 | int ret, i = 0; |
| 1641 | int rec_ndx[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1642 | int rec_release_ndx[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1643 | int rec_destroy_ndx[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1644 | u32 left_lm_layers = 0, right_lm_layers = 0; |
| 1645 | u32 left_cnt = 0, right_cnt = 0; |
| 1646 | u32 left_lm_w = left_lm_w_from_mfd(mfd); |
| 1647 | u32 mixer_mux, dst_x; |
| 1648 | int layer_count = commit->input_layer_cnt; |
| 1649 | |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1650 | struct mdss_mdp_pipe *pipe = NULL, *tmp, *left_blend_pipe; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1651 | struct mdss_mdp_pipe *right_plist[MAX_PIPES_PER_LM] = {0}; |
| 1652 | struct mdss_mdp_pipe *left_plist[MAX_PIPES_PER_LM] = {0}; |
| 1653 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 1654 | |
| 1655 | struct mdss_mdp_mixer *mixer = NULL; |
| 1656 | struct mdp_input_layer *layer, *prev_layer, *layer_list; |
| 1657 | struct mdss_mdp_validate_info_t *validate_info_list = NULL; |
| 1658 | bool is_single_layer = false, force_validate; |
| 1659 | enum layer_pipe_q pipe_q_type; |
| 1660 | enum layer_zorder_used zorder_used[MDSS_MDP_MAX_STAGE] = {0}; |
| 1661 | enum mdss_mdp_pipe_rect rect_num; |
| 1662 | |
| 1663 | ret = mutex_lock_interruptible(&mdp5_data->ov_lock); |
| 1664 | if (ret) |
| 1665 | return ret; |
| 1666 | |
| 1667 | if (!layer_count) |
| 1668 | goto validate_skip; |
| 1669 | |
| 1670 | layer_list = commit->input_layers; |
| 1671 | |
| 1672 | validate_info_list = kcalloc(layer_count, sizeof(*validate_info_list), |
| 1673 | GFP_KERNEL); |
| 1674 | if (!validate_info_list) { |
| 1675 | ret = -ENOMEM; |
| 1676 | goto end; |
| 1677 | } |
| 1678 | |
| 1679 | for (i = 0; i < layer_count; i++) { |
| 1680 | if (layer_list[i].dst_rect.x >= left_lm_w) |
| 1681 | right_lm_layers++; |
| 1682 | else |
| 1683 | left_lm_layers++; |
| 1684 | |
| 1685 | if (right_lm_layers >= MAX_PIPES_PER_LM || |
| 1686 | left_lm_layers >= MAX_PIPES_PER_LM) { |
| 1687 | pr_err("too many pipes stagged mixer left: %d mixer right:%d\n", |
| 1688 | left_lm_layers, right_lm_layers); |
| 1689 | ret = -EINVAL; |
| 1690 | goto end; |
| 1691 | } |
| 1692 | |
| 1693 | if (!validate_info_list[i].layer) { |
| 1694 | ret = __validate_multirect(mfd, validate_info_list, |
| 1695 | layer_list, i, layer_count); |
| 1696 | if (ret) { |
| 1697 | pr_err("error validating multirect config. ret=%d i=%d\n", |
| 1698 | ret, i); |
| 1699 | goto end; |
| 1700 | } |
| 1701 | } |
| 1702 | |
| 1703 | rect_num = validate_info_list[i].multirect.num; |
| 1704 | WARN_ON(rect_num >= MDSS_MDP_PIPE_MAX_RECTS); |
| 1705 | |
| 1706 | if (rec_ndx[rect_num] & layer_list[i].pipe_ndx) { |
| 1707 | pr_err("duplicate layer found pipe_ndx=%d rect=%d (0x%x)\n", |
| 1708 | layer_list[i].pipe_ndx, rect_num, |
| 1709 | rec_ndx[rect_num]); |
| 1710 | ret = -EINVAL; |
| 1711 | goto end; |
| 1712 | } |
| 1713 | |
| 1714 | rec_ndx[rect_num] |= layer_list[i].pipe_ndx; |
| 1715 | } |
| 1716 | |
| 1717 | /* |
| 1718 | * Force all layers to go through full validation after |
| 1719 | * dynamic resolution switch, immaterial of the configs in |
| 1720 | * the layer. |
| 1721 | */ |
| 1722 | mutex_lock(&mfd->switch_lock); |
| 1723 | force_validate = (mfd->switch_state != MDSS_MDP_NO_UPDATE_REQUESTED); |
| 1724 | mutex_unlock(&mfd->switch_lock); |
| 1725 | |
| 1726 | for (i = 0; i < layer_count; i++) { |
| 1727 | enum layer_zorder_used z = LAYER_ZORDER_NONE; |
| 1728 | |
| 1729 | layer = &layer_list[i]; |
| 1730 | dst_x = layer->dst_rect.x; |
| 1731 | left_blend_pipe = NULL; |
| 1732 | |
| 1733 | prev_layer = (i > 0) ? &layer_list[i - 1] : NULL; |
| 1734 | /* |
| 1735 | * check if current layer is at same z_order as |
| 1736 | * previous one, and fail if any or both are async layers, |
| 1737 | * as async layers should have unique z_order. |
| 1738 | * |
| 1739 | * If it has same z_order and qualifies as a right blend, |
| 1740 | * pass a pointer to the pipe representing previous overlay or |
| 1741 | * in other terms left blend layer. |
| 1742 | * |
| 1743 | * Following logic of selecting left_blend has an inherent |
| 1744 | * assumption that layer list is sorted on dst_x within a |
| 1745 | * same z_order. Otherwise it will fail based on z_order checks. |
| 1746 | */ |
| 1747 | if (prev_layer && (prev_layer->z_order == layer->z_order)) { |
| 1748 | struct mdp_rect *left = &prev_layer->dst_rect; |
| 1749 | struct mdp_rect *right = &layer->dst_rect; |
| 1750 | |
| 1751 | if ((layer->flags & MDP_LAYER_ASYNC) |
| 1752 | || (prev_layer->flags & MDP_LAYER_ASYNC)) { |
| 1753 | ret = -EINVAL; |
| 1754 | layer->error_code = ret; |
| 1755 | pr_err("async layer should have unique z_order\n"); |
| 1756 | goto validate_exit; |
| 1757 | } |
| 1758 | |
| 1759 | /* |
| 1760 | * check if layer is right blend by checking it's |
| 1761 | * directly to the right. |
| 1762 | */ |
| 1763 | if (((left->x + left->w) == right->x) && |
| 1764 | (left->y == right->y) && (left->h == right->h)) |
| 1765 | left_blend_pipe = pipe; |
| 1766 | |
| 1767 | /* |
| 1768 | * if the layer is right at the left lm boundary and |
| 1769 | * src split is not required then right blend is not |
| 1770 | * required as it will lie only on the left mixer |
| 1771 | */ |
| 1772 | if (!__layer_needs_src_split(prev_layer) && |
| 1773 | ((left->x + left->w) == left_lm_w)) |
| 1774 | left_blend_pipe = NULL; |
| 1775 | } |
| 1776 | |
| 1777 | if (!is_split_lm(mfd) || __layer_needs_src_split(layer)) |
| 1778 | z = LAYER_ZORDER_BOTH; |
| 1779 | else if (dst_x >= left_lm_w) |
| 1780 | z = LAYER_ZORDER_RIGHT; |
| 1781 | else if ((dst_x + layer->dst_rect.w) <= left_lm_w) |
| 1782 | z = LAYER_ZORDER_LEFT; |
| 1783 | else |
| 1784 | z = LAYER_ZORDER_BOTH; |
| 1785 | |
| 1786 | if (!left_blend_pipe && (layer->z_order >= MDSS_MDP_MAX_STAGE || |
| 1787 | (z & zorder_used[layer->z_order]))) { |
| 1788 | pr_err("invalid z_order=%d or already in use %x\n", |
| 1789 | layer->z_order, z); |
| 1790 | ret = -EINVAL; |
| 1791 | layer->error_code = ret; |
| 1792 | goto validate_exit; |
| 1793 | } else { |
| 1794 | zorder_used[layer->z_order] |= z; |
| 1795 | } |
| 1796 | |
| 1797 | if ((layer->dst_rect.x < left_lm_w) || |
| 1798 | __layer_needs_src_split(layer)) { |
| 1799 | is_single_layer = (left_lm_layers == 1); |
| 1800 | mixer_mux = MDSS_MDP_MIXER_MUX_LEFT; |
| 1801 | } else { |
| 1802 | is_single_layer = (right_lm_layers == 1); |
| 1803 | mixer_mux = MDSS_MDP_MIXER_MUX_RIGHT; |
| 1804 | } |
| 1805 | |
| 1806 | /** |
| 1807 | * search pipe in current used list to find if parameters |
| 1808 | * are same. validation can be skipped if only buffer handle |
| 1809 | * is changed. |
| 1810 | */ |
| 1811 | pipe = (force_validate) ? NULL : |
| 1812 | __find_layer_in_validate_q( |
| 1813 | &validate_info_list[i], mdp5_data); |
| 1814 | if (pipe) { |
| 1815 | if (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) |
| 1816 | right_plist[right_cnt++] = pipe; |
| 1817 | else |
| 1818 | left_plist[left_cnt++] = pipe; |
| 1819 | |
| 1820 | if (layer->flags & MDP_LAYER_PP) { |
| 1821 | memcpy(&pipe->pp_cfg, layer->pp_info, |
| 1822 | sizeof(struct mdp_overlay_pp_params)); |
| 1823 | ret = mdss_mdp_pp_sspp_config(pipe); |
| 1824 | if (ret) |
| 1825 | pr_err("pp setup failed %d\n", ret); |
| 1826 | else |
| 1827 | pipe->params_changed++; |
| 1828 | } |
| 1829 | pipe->dirty = false; |
| 1830 | continue; |
| 1831 | } |
| 1832 | |
| 1833 | mixer = mdss_mdp_mixer_get(mdp5_data->ctl, mixer_mux); |
| 1834 | if (!mixer) { |
| 1835 | pr_err("unable to get %s mixer\n", |
| 1836 | (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) ? |
| 1837 | "right" : "left"); |
| 1838 | ret = -EINVAL; |
| 1839 | layer->error_code = ret; |
| 1840 | goto validate_exit; |
| 1841 | } |
| 1842 | |
| 1843 | layer->z_order += MDSS_MDP_STAGE_0; |
| 1844 | ret = __validate_single_layer(mfd, &validate_info_list[i], |
| 1845 | mixer_mux); |
| 1846 | if (ret) { |
| 1847 | pr_err("layer:%d validation failed ret=%d\n", i, ret); |
| 1848 | layer->error_code = ret; |
| 1849 | goto validate_exit; |
| 1850 | } |
| 1851 | |
| 1852 | rect_num = validate_info_list[i].multirect.num; |
| 1853 | |
| 1854 | pipe = __assign_pipe_for_layer(mfd, mixer, layer->pipe_ndx, |
| 1855 | &pipe_q_type, rect_num); |
| 1856 | if (IS_ERR_OR_NULL(pipe)) { |
| 1857 | pr_err("error assigning pipe id=0x%x rc:%ld\n", |
| 1858 | layer->pipe_ndx, PTR_ERR(pipe)); |
| 1859 | ret = PTR_ERR(pipe); |
| 1860 | layer->error_code = ret; |
| 1861 | goto validate_exit; |
| 1862 | } |
| 1863 | |
| 1864 | if (pipe_q_type == LAYER_USES_NEW_PIPE_Q) |
| 1865 | rec_release_ndx[rect_num] |= pipe->ndx; |
| 1866 | if (pipe_q_type == LAYER_USES_DESTROY_PIPE_Q) |
| 1867 | rec_destroy_ndx[rect_num] |= pipe->ndx; |
| 1868 | |
| 1869 | ret = mdss_mdp_pipe_map(pipe); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1870 | if (IS_ERR_VALUE((unsigned long)ret)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1871 | pr_err("Unable to map used pipe%d ndx=%x\n", |
| 1872 | pipe->num, pipe->ndx); |
| 1873 | layer->error_code = ret; |
| 1874 | goto validate_exit; |
| 1875 | } |
| 1876 | |
| 1877 | if (pipe_q_type == LAYER_USES_USED_PIPE_Q) { |
| 1878 | /* |
| 1879 | * reconfig is allowed on new/destroy pipes. Only used |
| 1880 | * pipe needs this extra validation. |
| 1881 | */ |
| 1882 | ret = __validate_layer_reconfig(layer, pipe); |
| 1883 | if (ret) { |
| 1884 | pr_err("layer reconfig validation failed=%d\n", |
| 1885 | ret); |
| 1886 | mdss_mdp_pipe_unmap(pipe); |
| 1887 | layer->error_code = ret; |
| 1888 | goto validate_exit; |
| 1889 | } |
| 1890 | } |
| 1891 | |
| 1892 | ret = __configure_pipe_params(mfd, &validate_info_list[i], pipe, |
| 1893 | left_blend_pipe, is_single_layer, mixer_mux); |
| 1894 | if (ret) { |
| 1895 | pr_err("configure pipe param failed: pipe index= %d\n", |
| 1896 | pipe->ndx); |
| 1897 | mdss_mdp_pipe_unmap(pipe); |
| 1898 | layer->error_code = ret; |
| 1899 | goto validate_exit; |
| 1900 | } |
| 1901 | |
| 1902 | mdss_mdp_pipe_unmap(pipe); |
| 1903 | |
| 1904 | /* keep the original copy of dst_x */ |
| 1905 | pipe->layer.dst_rect.x = layer->dst_rect.x = dst_x; |
| 1906 | |
| 1907 | if (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) |
| 1908 | right_plist[right_cnt++] = pipe; |
| 1909 | else |
| 1910 | left_plist[left_cnt++] = pipe; |
| 1911 | |
| 1912 | pr_debug("id:0x%x flags:0x%x dst_x:%d\n", |
| 1913 | layer->pipe_ndx, layer->flags, layer->dst_rect.x); |
| 1914 | layer->z_order -= MDSS_MDP_STAGE_0; |
| 1915 | } |
| 1916 | |
| 1917 | ret = mdss_mdp_perf_bw_check(mdp5_data->ctl, left_plist, left_cnt, |
| 1918 | right_plist, right_cnt); |
| 1919 | if (ret) { |
| 1920 | pr_err("bw validation check failed: %d\n", ret); |
| 1921 | goto validate_exit; |
| 1922 | } |
| 1923 | |
| 1924 | validate_skip: |
| 1925 | __handle_free_list(mdp5_data, validate_info_list, layer_count); |
| 1926 | |
| 1927 | ret = __validate_secure_display(mdp5_data); |
| 1928 | |
| 1929 | validate_exit: |
| 1930 | pr_debug("err=%d total_layer:%d left:%d right:%d rec0_rel_ndx=0x%x rec1_rel_ndx=0x%x rec0_destroy_ndx=0x%x rec1_destroy_ndx=0x%x processed=%d\n", |
| 1931 | ret, layer_count, left_lm_layers, right_lm_layers, |
| 1932 | rec_release_ndx[0], rec_release_ndx[1], |
| 1933 | rec_destroy_ndx[0], rec_destroy_ndx[1], i); |
| 1934 | MDSS_XLOG(rec_ndx[0], rec_ndx[1], layer_count, |
| 1935 | left_lm_layers, right_lm_layers, |
| 1936 | rec_release_ndx[0], rec_release_ndx[1], |
| 1937 | rec_destroy_ndx[0], rec_destroy_ndx[1], ret); |
| 1938 | mutex_lock(&mdp5_data->list_lock); |
| 1939 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1940 | if (IS_ERR_VALUE((unsigned long)ret)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1941 | if (((pipe->ndx & rec_release_ndx[0]) && |
| 1942 | (pipe->multirect.num == 0)) || |
| 1943 | ((pipe->ndx & rec_release_ndx[1]) && |
| 1944 | (pipe->multirect.num == 1))) { |
| 1945 | mdss_mdp_smp_unreserve(pipe); |
| 1946 | pipe->params_changed = 0; |
| 1947 | pipe->dirty = true; |
| 1948 | if (!list_empty(&pipe->list)) |
| 1949 | list_del_init(&pipe->list); |
| 1950 | mdss_mdp_pipe_destroy(pipe); |
| 1951 | } else if (((pipe->ndx & rec_destroy_ndx[0]) && |
| 1952 | (pipe->multirect.num == 0)) || |
| 1953 | ((pipe->ndx & rec_destroy_ndx[1]) && |
| 1954 | (pipe->multirect.num == 1))) { |
| 1955 | /* |
| 1956 | * cleanup/destroy list pipes should move back |
| 1957 | * to destroy list. Next/current kickoff cycle |
| 1958 | * will release the pipe because validate also |
| 1959 | * acquires ov_lock. |
| 1960 | */ |
| 1961 | list_move(&pipe->list, |
| 1962 | &mdp5_data->pipes_destroy); |
| 1963 | } |
| 1964 | } else { |
| 1965 | pipe->file = file; |
| 1966 | pr_debug("file pointer attached with pipe is %pK\n", |
| 1967 | file); |
| 1968 | } |
| 1969 | } |
| 1970 | mutex_unlock(&mdp5_data->list_lock); |
| 1971 | end: |
| 1972 | kfree(validate_info_list); |
| 1973 | mutex_unlock(&mdp5_data->ov_lock); |
| 1974 | |
| 1975 | pr_debug("fb%d validated layers =%d\n", mfd->index, i); |
| 1976 | |
| 1977 | return ret; |
| 1978 | } |
| 1979 | |
| 1980 | /* |
| 1981 | * __parse_frc_info() - parse frc info from userspace |
| 1982 | * @mdp5_data: mdss data per FB device |
| 1983 | * @input_frc: frc info from user space |
| 1984 | * |
| 1985 | * This function fills the FRC info of current device which will be used |
| 1986 | * during following kickoff. |
| 1987 | */ |
| 1988 | static void __parse_frc_info(struct mdss_overlay_private *mdp5_data, |
| 1989 | struct mdp_frc_info *input_frc) |
| 1990 | { |
| 1991 | struct mdss_mdp_ctl *ctl = mdp5_data->ctl; |
| 1992 | struct mdss_mdp_frc_fsm *frc_fsm = mdp5_data->frc_fsm; |
| 1993 | |
| 1994 | if (input_frc->flags & MDP_VIDEO_FRC_ENABLE) { |
| 1995 | struct mdss_mdp_frc_info *frc_info = &frc_fsm->frc_info; |
| 1996 | |
| 1997 | if (!frc_fsm->enable) { |
| 1998 | /* init frc_fsm when first entry */ |
| 1999 | mdss_mdp_frc_fsm_init_state(frc_fsm); |
| 2000 | /* keep vsync on when FRC is enabled */ |
| 2001 | ctl->ops.add_vsync_handler(ctl, |
| 2002 | &ctl->frc_vsync_handler); |
| 2003 | } |
| 2004 | |
| 2005 | frc_info->cur_frc.frame_cnt = input_frc->frame_cnt; |
| 2006 | frc_info->cur_frc.timestamp = input_frc->timestamp; |
| 2007 | } else if (frc_fsm->enable) { |
| 2008 | /* remove vsync handler when FRC is disabled */ |
| 2009 | ctl->ops.remove_vsync_handler(ctl, &ctl->frc_vsync_handler); |
| 2010 | } |
| 2011 | |
| 2012 | frc_fsm->enable = input_frc->flags & MDP_VIDEO_FRC_ENABLE; |
| 2013 | |
| 2014 | pr_debug("frc_enable=%d\n", frc_fsm->enable); |
| 2015 | } |
| 2016 | |
| 2017 | /* |
| 2018 | * mdss_mdp_layer_pre_commit() - pre commit validation for input layers |
| 2019 | * @mfd: Framebuffer data structure for display |
| 2020 | * @commit: Commit version-1 structure for display |
| 2021 | * |
| 2022 | * This function checks if layers present in commit request are already |
| 2023 | * validated or not. If there is mismatch in validate and commit layers |
| 2024 | * then it validate all input layers again. On successful validation, it |
| 2025 | * maps the input layer buffer and creates release/retire fences. |
| 2026 | * |
| 2027 | * This function is called from client context and can return the error. |
| 2028 | */ |
| 2029 | int mdss_mdp_layer_pre_commit(struct msm_fb_data_type *mfd, |
| 2030 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2031 | { |
| 2032 | int ret, i; |
| 2033 | int layer_count = commit->input_layer_cnt; |
| 2034 | bool validate_failed = false; |
| 2035 | |
| 2036 | struct mdss_mdp_pipe *pipe, *tmp; |
| 2037 | struct mdp_input_layer *layer_list; |
| 2038 | struct mdss_overlay_private *mdp5_data; |
| 2039 | struct mdss_mdp_data *src_data[MDSS_MDP_MAX_SSPP]; |
| 2040 | struct mdss_mdp_validate_info_t *validate_info_list; |
| 2041 | |
| 2042 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2043 | |
| 2044 | if (!mdp5_data || !mdp5_data->ctl) |
| 2045 | return -EINVAL; |
| 2046 | |
| 2047 | layer_list = commit->input_layers; |
| 2048 | |
| 2049 | /* handle null commit */ |
| 2050 | if (!layer_count) { |
| 2051 | __handle_free_list(mdp5_data, NULL, layer_count); |
| 2052 | /* Check for secure state transition. */ |
| 2053 | return __validate_secure_display(mdp5_data); |
| 2054 | } |
| 2055 | |
| 2056 | validate_info_list = kcalloc(layer_count, sizeof(*validate_info_list), |
| 2057 | GFP_KERNEL); |
| 2058 | if (!validate_info_list) |
| 2059 | return -ENOMEM; |
| 2060 | |
| 2061 | for (i = 0; i < layer_count; i++) { |
| 2062 | if (!validate_info_list[i].layer) { |
| 2063 | ret = __update_multirect_info(mfd, validate_info_list, |
| 2064 | layer_list, i, layer_count); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 2065 | if (IS_ERR_VALUE((unsigned long)ret)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2066 | pr_err("error updating multirect config. ret=%d i=%d\n", |
| 2067 | ret, i); |
| 2068 | goto end; |
| 2069 | } |
| 2070 | } |
| 2071 | } |
| 2072 | |
| 2073 | for (i = 0; i < layer_count; i++) { |
| 2074 | pipe = __find_layer_in_validate_q(&validate_info_list[i], |
| 2075 | mdp5_data); |
| 2076 | if (!pipe) { |
| 2077 | validate_failed = true; |
| 2078 | break; |
| 2079 | } |
| 2080 | } |
| 2081 | |
| 2082 | if (validate_failed) { |
| 2083 | ret = __validate_layers(mfd, file, commit); |
| 2084 | if (ret) { |
| 2085 | pr_err("__validate_layers failed. rc=%d\n", ret); |
| 2086 | goto end; |
| 2087 | } |
| 2088 | } else { |
| 2089 | /* |
| 2090 | * move unassigned pipes to cleanup list since commit |
| 2091 | * supports validate+commit operation. |
| 2092 | */ |
| 2093 | __handle_free_list(mdp5_data, validate_info_list, layer_count); |
| 2094 | } |
| 2095 | |
| 2096 | i = 0; |
| 2097 | |
| 2098 | mutex_lock(&mdp5_data->list_lock); |
| 2099 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
| 2100 | if (pipe->flags & MDP_SOLID_FILL) { |
| 2101 | src_data[i] = NULL; |
| 2102 | continue; |
| 2103 | } |
| 2104 | src_data[i] = __map_layer_buffer(mfd, pipe, validate_info_list, |
| 2105 | layer_count); |
| 2106 | if (IS_ERR_OR_NULL(src_data[i++])) { |
| 2107 | i--; |
| 2108 | mutex_unlock(&mdp5_data->list_lock); |
| 2109 | ret = PTR_ERR(src_data[i]); |
| 2110 | goto map_err; |
| 2111 | } |
| 2112 | } |
| 2113 | mutex_unlock(&mdp5_data->list_lock); |
| 2114 | |
| 2115 | ret = mdss_mdp_overlay_start(mfd); |
| 2116 | if (ret) { |
| 2117 | pr_err("unable to start overlay %d (%d)\n", mfd->index, ret); |
| 2118 | goto map_err; |
| 2119 | } |
| 2120 | |
| 2121 | if (commit->frc_info) |
| 2122 | __parse_frc_info(mdp5_data, commit->frc_info); |
| 2123 | |
| 2124 | ret = __handle_buffer_fences(mfd, commit, layer_list); |
| 2125 | |
| 2126 | map_err: |
| 2127 | if (ret) { |
| 2128 | mutex_lock(&mdp5_data->list_lock); |
| 2129 | for (i--; i >= 0; i--) |
| 2130 | if (src_data[i]) |
| 2131 | mdss_mdp_overlay_buf_free(mfd, src_data[i]); |
| 2132 | mutex_unlock(&mdp5_data->list_lock); |
| 2133 | } |
| 2134 | end: |
| 2135 | kfree(validate_info_list); |
| 2136 | |
| 2137 | return ret; |
| 2138 | } |
| 2139 | |
| 2140 | /* |
| 2141 | * mdss_mdp_layer_atomic_validate() - validate input layers |
| 2142 | * @mfd: Framebuffer data structure for display |
| 2143 | * @commit: Commit version-1 structure for display |
| 2144 | * |
| 2145 | * This function validates only input layers received from client. It |
| 2146 | * does perform any validation for mdp_output_layer defined for writeback |
| 2147 | * display. |
| 2148 | */ |
| 2149 | int mdss_mdp_layer_atomic_validate(struct msm_fb_data_type *mfd, |
| 2150 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2151 | { |
| 2152 | struct mdss_overlay_private *mdp5_data; |
| 2153 | |
| 2154 | if (!mfd || !commit) { |
| 2155 | pr_err("invalid input params\n"); |
| 2156 | return -EINVAL; |
| 2157 | } |
| 2158 | |
| 2159 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2160 | |
| 2161 | if (!mdp5_data || !mdp5_data->ctl) { |
| 2162 | pr_err("invalid input params\n"); |
| 2163 | return -ENODEV; |
| 2164 | } |
| 2165 | |
| 2166 | if (mdss_fb_is_power_off(mfd)) { |
| 2167 | pr_err("display interface is in off state fb:%d\n", |
| 2168 | mfd->index); |
| 2169 | return -EPERM; |
| 2170 | } |
| 2171 | |
| 2172 | return __validate_layers(mfd, file, commit); |
| 2173 | } |
| 2174 | |
| 2175 | int mdss_mdp_layer_pre_commit_wfd(struct msm_fb_data_type *mfd, |
| 2176 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2177 | { |
| 2178 | int rc, count; |
| 2179 | struct mdss_overlay_private *mdp5_data; |
| 2180 | struct mdss_mdp_wfd *wfd = NULL; |
| 2181 | struct mdp_output_layer *output_layer = NULL; |
| 2182 | struct mdss_mdp_wfd_data *data = NULL; |
| 2183 | struct sync_fence *fence = NULL; |
| 2184 | struct msm_sync_pt_data *sync_pt_data = NULL; |
| 2185 | |
| 2186 | if (!mfd || !commit) |
| 2187 | return -EINVAL; |
| 2188 | |
| 2189 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2190 | |
| 2191 | if (!mdp5_data || !mdp5_data->ctl || !mdp5_data->wfd) { |
| 2192 | pr_err("invalid wfd state\n"); |
| 2193 | return -ENODEV; |
| 2194 | } |
| 2195 | |
| 2196 | if (commit->output_layer) { |
| 2197 | wfd = mdp5_data->wfd; |
| 2198 | output_layer = commit->output_layer; |
| 2199 | |
| 2200 | if (output_layer->buffer.plane_count > MAX_PLANES) { |
| 2201 | pr_err("Output buffer plane_count exceeds MAX_PLANES limit:%d\n", |
| 2202 | output_layer->buffer.plane_count); |
| 2203 | return -EINVAL; |
| 2204 | } |
| 2205 | |
| 2206 | data = mdss_mdp_wfd_add_data(wfd, output_layer); |
| 2207 | if (IS_ERR_OR_NULL(data)) |
| 2208 | return PTR_ERR(data); |
| 2209 | |
| 2210 | if (output_layer->buffer.fence >= 0) { |
| 2211 | fence = sync_fence_fdget(output_layer->buffer.fence); |
| 2212 | if (!fence) { |
| 2213 | pr_err("fail to get output buffer fence\n"); |
| 2214 | rc = -EINVAL; |
| 2215 | goto fence_get_err; |
| 2216 | } |
| 2217 | } |
| 2218 | } else { |
| 2219 | wfd = mdp5_data->wfd; |
| 2220 | if (!wfd->ctl || !wfd->ctl->wb) { |
| 2221 | pr_err("wfd commit with null out layer and no validate\n"); |
| 2222 | return -EINVAL; |
| 2223 | } |
| 2224 | } |
| 2225 | |
| 2226 | rc = mdss_mdp_layer_pre_commit(mfd, file, commit); |
| 2227 | if (rc) { |
| 2228 | pr_err("fail to import input layer buffers. rc=%d\n", rc); |
| 2229 | goto input_layer_err; |
| 2230 | } |
| 2231 | |
| 2232 | if (fence) { |
| 2233 | sync_pt_data = &mfd->mdp_sync_pt_data; |
| 2234 | mutex_lock(&sync_pt_data->sync_mutex); |
| 2235 | count = sync_pt_data->acq_fen_cnt; |
| 2236 | |
| 2237 | if (count >= MDP_MAX_FENCE_FD) { |
| 2238 | pr_err("Reached maximum possible value for fence count\n"); |
| 2239 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 2240 | rc = -EINVAL; |
| 2241 | goto input_layer_err; |
| 2242 | } |
| 2243 | |
| 2244 | sync_pt_data->acq_fen[count] = fence; |
| 2245 | sync_pt_data->acq_fen_cnt++; |
| 2246 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 2247 | } |
| 2248 | return rc; |
| 2249 | |
| 2250 | input_layer_err: |
| 2251 | if (fence) |
| 2252 | sync_fence_put(fence); |
| 2253 | fence_get_err: |
| 2254 | if (data) |
| 2255 | mdss_mdp_wfd_remove_data(wfd, data); |
| 2256 | return rc; |
| 2257 | } |
| 2258 | |
| 2259 | int mdss_mdp_layer_atomic_validate_wfd(struct msm_fb_data_type *mfd, |
| 2260 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2261 | { |
| 2262 | int rc = 0; |
| 2263 | struct mdss_overlay_private *mdp5_data; |
| 2264 | struct mdss_mdp_wfd *wfd; |
| 2265 | struct mdp_output_layer *output_layer; |
| 2266 | |
| 2267 | if (!mfd || !commit) |
| 2268 | return -EINVAL; |
| 2269 | |
| 2270 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2271 | |
| 2272 | if (!mdp5_data || !mdp5_data->ctl || !mdp5_data->wfd) { |
| 2273 | pr_err("invalid wfd state\n"); |
| 2274 | return -ENODEV; |
| 2275 | } |
| 2276 | |
| 2277 | if (!commit->output_layer) { |
| 2278 | pr_err("no output layer defined\n"); |
| 2279 | return -EINVAL; |
| 2280 | } |
| 2281 | |
| 2282 | wfd = mdp5_data->wfd; |
| 2283 | output_layer = commit->output_layer; |
| 2284 | |
| 2285 | rc = mdss_mdp_wfd_validate(wfd, output_layer); |
| 2286 | if (rc) { |
| 2287 | pr_err("fail to validate the output layer = %d\n", rc); |
| 2288 | goto validate_failed; |
| 2289 | } |
| 2290 | |
| 2291 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON); |
| 2292 | rc = mdss_mdp_wfd_setup(wfd, output_layer); |
| 2293 | if (rc) { |
| 2294 | pr_err("fail to prepare wfd = %d\n", rc); |
| 2295 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); |
| 2296 | goto validate_failed; |
| 2297 | } |
| 2298 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); |
| 2299 | |
| 2300 | rc = mdss_mdp_layer_atomic_validate(mfd, file, commit); |
| 2301 | if (rc) { |
| 2302 | pr_err("fail to validate the input layers = %d\n", rc); |
| 2303 | goto validate_failed; |
| 2304 | } |
| 2305 | |
| 2306 | validate_failed: |
| 2307 | return rc; |
| 2308 | } |
| 2309 | |
| 2310 | int mdss_mdp_async_position_update(struct msm_fb_data_type *mfd, |
| 2311 | struct mdp_position_update *update_pos) |
| 2312 | { |
| 2313 | int i, rc = 0; |
| 2314 | struct mdss_mdp_pipe *pipe = NULL; |
| 2315 | struct mdp_async_layer *layer; |
| 2316 | struct mdss_rect dst, src; |
| 2317 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 2318 | u32 flush_bits = 0, inputndx = 0; |
| 2319 | |
| 2320 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON); |
| 2321 | |
| 2322 | for (i = 0; i < update_pos->input_layer_cnt; i++) { |
| 2323 | layer = &update_pos->input_layers[i]; |
| 2324 | mutex_lock(&mdp5_data->list_lock); |
| 2325 | __find_pipe_in_list(&mdp5_data->pipes_used, layer->pipe_ndx, |
| 2326 | &pipe, MDSS_MDP_PIPE_RECT0); |
| 2327 | mutex_unlock(&mdp5_data->list_lock); |
| 2328 | if (!pipe) { |
| 2329 | pr_err("invalid pipe ndx=0x%x for async update\n", |
| 2330 | layer->pipe_ndx); |
| 2331 | rc = -ENODEV; |
| 2332 | layer->error_code = rc; |
| 2333 | goto done; |
| 2334 | } |
| 2335 | |
| 2336 | rc = __async_update_position_check(mfd, pipe, &layer->src, |
| 2337 | &layer->dst); |
| 2338 | if (rc) { |
| 2339 | layer->error_code = rc; |
| 2340 | goto done; |
| 2341 | } |
| 2342 | |
| 2343 | src = (struct mdss_rect) {layer->src.x, layer->src.y, |
| 2344 | pipe->src.w, pipe->src.h}; |
| 2345 | dst = (struct mdss_rect) {layer->dst.x, layer->dst.y, |
| 2346 | pipe->src.w, pipe->src.h}; |
| 2347 | |
| 2348 | pr_debug("src:{%d,%d,%d,%d}, dst:{%d,%d,%d,%d}\n", |
| 2349 | src.x, src.y, src.w, src.h, |
| 2350 | dst.x, dst.y, dst.w, dst.h); |
| 2351 | |
| 2352 | mdss_mdp_pipe_position_update(pipe, &src, &dst); |
| 2353 | |
| 2354 | flush_bits |= mdss_mdp_get_pipe_flush_bits(pipe); |
| 2355 | inputndx |= layer->pipe_ndx; |
| 2356 | } |
| 2357 | mdss_mdp_async_ctl_flush(mfd, flush_bits); |
| 2358 | |
| 2359 | done: |
| 2360 | MDSS_XLOG(inputndx, update_pos->input_layer_cnt, flush_bits, rc); |
| 2361 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); |
| 2362 | return rc; |
| 2363 | } |
| 2364 | |