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> |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 24 | #include <linux/file.h> |
| 25 | |
| 26 | #include <soc/qcom/event_timer.h> |
| 27 | #include "mdss.h" |
| 28 | #include "mdss_debug.h" |
| 29 | #include "mdss_fb.h" |
| 30 | #include "mdss_mdp.h" |
| 31 | #include "mdss_mdp_wfd.h" |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 32 | #include "mdss_sync.h" |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 33 | |
| 34 | #define CHECK_LAYER_BOUNDS(offset, size, max_size) \ |
| 35 | (((size) > (max_size)) || ((offset) > ((max_size) - (size)))) |
| 36 | |
| 37 | #define SCALER_ENABLED \ |
| 38 | (MDP_LAYER_ENABLE_PIXEL_EXT | MDP_LAYER_ENABLE_QSEED3_SCALE) |
| 39 | |
| 40 | enum { |
| 41 | MDSS_MDP_RELEASE_FENCE = 0, |
| 42 | MDSS_MDP_RETIRE_FENCE, |
| 43 | }; |
| 44 | |
| 45 | enum layer_pipe_q { |
| 46 | LAYER_USES_NEW_PIPE_Q = 0, |
| 47 | LAYER_USES_USED_PIPE_Q, |
| 48 | LAYER_USES_DESTROY_PIPE_Q, |
| 49 | }; |
| 50 | |
| 51 | enum layer_zorder_used { |
| 52 | LAYER_ZORDER_NONE = 0, |
| 53 | LAYER_ZORDER_LEFT = 1, |
| 54 | LAYER_ZORDER_RIGHT = 2, |
| 55 | LAYER_ZORDER_BOTH = 3, |
| 56 | }; |
| 57 | |
| 58 | struct mdss_mdp_validate_info_t { |
| 59 | struct mdp_input_layer *layer; |
| 60 | struct mdss_mdp_pipe_multirect_params multirect; |
| 61 | }; |
| 62 | |
| 63 | /* |
| 64 | * __layer_needs_src_split() - check needs source split configuration |
| 65 | * @layer: input layer |
| 66 | * |
| 67 | * return true if the layer should be used as source split |
| 68 | */ |
| 69 | static bool __layer_needs_src_split(struct mdp_input_layer *layer) |
| 70 | { |
| 71 | struct mdss_data_type *mdata = mdss_mdp_get_mdata(); |
| 72 | |
| 73 | return (layer->flags & MDP_LAYER_ASYNC) || |
| 74 | mdss_has_quirk(mdata, MDSS_QUIRK_SRC_SPLIT_ALWAYS); |
| 75 | } |
| 76 | |
| 77 | static int __async_update_position_check(struct msm_fb_data_type *mfd, |
| 78 | struct mdss_mdp_pipe *pipe, struct mdp_point *src, |
| 79 | struct mdp_point *dst) |
| 80 | { |
| 81 | struct fb_var_screeninfo *var = &mfd->fbi->var; |
| 82 | u32 xres = var->xres; |
| 83 | u32 yres = var->yres; |
| 84 | |
| 85 | if (!pipe->async_update |
| 86 | || CHECK_LAYER_BOUNDS(src->x, pipe->src.w, pipe->img_width) |
| 87 | || CHECK_LAYER_BOUNDS(src->y, pipe->src.h, pipe->img_height) |
| 88 | || CHECK_LAYER_BOUNDS(dst->x, pipe->dst.w, xres) |
| 89 | || CHECK_LAYER_BOUNDS(dst->y, pipe->dst.h, yres)) { |
| 90 | pr_err("invalid configs: async_update=%d, src:{%d,%d}, dst:{%d,%d}\n", |
| 91 | pipe->async_update, src->x, src->y, dst->x, dst->y); |
| 92 | pr_err("pipe:- src:{%d,%d,%d,%d}, dst:{%d,%d,%d,%d}\n", |
| 93 | pipe->src.x, pipe->src.y, pipe->src.w, pipe->src.h, |
| 94 | pipe->dst.x, pipe->dst.y, pipe->dst.w, pipe->dst.h); |
| 95 | return -EINVAL; |
| 96 | } |
| 97 | return 0; |
| 98 | } |
| 99 | |
| 100 | static int __cursor_layer_check(struct msm_fb_data_type *mfd, |
| 101 | struct mdp_input_layer *layer) |
| 102 | { |
| 103 | struct mdss_data_type *mdata = mdss_mdp_get_mdata(); |
| 104 | |
| 105 | if ((layer->z_order != HW_CURSOR_STAGE(mdata)) |
| 106 | || layer->src_rect.w > mdata->max_cursor_size |
| 107 | || layer->src_rect.h > mdata->max_cursor_size |
| 108 | || layer->src_rect.w != layer->dst_rect.w |
| 109 | || layer->src_rect.h != layer->dst_rect.h |
| 110 | || !mdata->ncursor_pipes) { |
| 111 | pr_err("Incorrect cursor configs for pipe:%d, cursor_pipes:%d, z_order:%d\n", |
| 112 | layer->pipe_ndx, mdata->ncursor_pipes, |
| 113 | layer->z_order); |
| 114 | pr_err("src:{%d,%d,%d,%d}, dst:{%d,%d,%d,%d}\n", |
| 115 | layer->src_rect.x, layer->src_rect.y, |
| 116 | layer->src_rect.w, layer->src_rect.h, |
| 117 | layer->dst_rect.x, layer->dst_rect.y, |
| 118 | layer->dst_rect.w, layer->dst_rect.h); |
| 119 | return -EINVAL; |
| 120 | } |
| 121 | |
| 122 | return 0; |
| 123 | } |
| 124 | |
| 125 | static int __layer_xres_check(struct msm_fb_data_type *mfd, |
| 126 | struct mdp_input_layer *layer) |
| 127 | { |
| 128 | u32 xres = 0; |
| 129 | u32 left_lm_w = left_lm_w_from_mfd(mfd); |
| 130 | struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd); |
| 131 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 132 | |
| 133 | if (layer->dst_rect.x >= left_lm_w) { |
| 134 | if (mdata->has_src_split) |
| 135 | xres = left_lm_w; |
| 136 | else |
| 137 | layer->dst_rect.x -= left_lm_w; |
| 138 | |
| 139 | if (ctl->mixer_right) { |
| 140 | xres += ctl->mixer_right->width; |
| 141 | } else { |
| 142 | pr_err("ov cannot be placed on right mixer\n"); |
| 143 | return -EPERM; |
| 144 | } |
| 145 | } else { |
| 146 | if (ctl->mixer_left) { |
| 147 | xres = ctl->mixer_left->width; |
| 148 | } else { |
| 149 | pr_err("ov cannot be placed on left mixer\n"); |
| 150 | return -EPERM; |
| 151 | } |
| 152 | |
| 153 | if (mdata->has_src_split && ctl->mixer_right) |
| 154 | xres += ctl->mixer_right->width; |
| 155 | } |
| 156 | |
| 157 | if (CHECK_LAYER_BOUNDS(layer->dst_rect.x, layer->dst_rect.w, xres)) { |
| 158 | pr_err("dst_xres is invalid. dst_x:%d, dst_w:%d, xres:%d\n", |
| 159 | layer->dst_rect.x, layer->dst_rect.w, xres); |
| 160 | return -EINVAL; |
| 161 | } |
| 162 | |
| 163 | return 0; |
| 164 | } |
| 165 | |
| 166 | static int __layer_param_check(struct msm_fb_data_type *mfd, |
| 167 | struct mdp_input_layer *layer, struct mdss_mdp_format_params *fmt, |
| 168 | enum mdss_mdp_pipe_rect rect_num) |
| 169 | { |
| 170 | u32 yres; |
| 171 | u32 min_src_size, min_dst_size = 1; |
| 172 | int content_secure; |
| 173 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 174 | struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd); |
| 175 | u32 src_w, src_h, dst_w, dst_h, width, height; |
| 176 | |
| 177 | if (!ctl) { |
| 178 | pr_err("ctl is null\n"); |
| 179 | return -EINVAL; |
| 180 | } |
| 181 | |
| 182 | if (ctl->mixer_left) { |
| 183 | yres = ctl->mixer_left->height; |
| 184 | } else { |
| 185 | pr_debug("Using fb var screen infor for height\n"); |
| 186 | yres = mfd->fbi->var.yres; |
| 187 | } |
| 188 | |
| 189 | content_secure = (layer->flags & MDP_LAYER_SECURE_SESSION); |
| 190 | if (!ctl->is_secure && content_secure && |
| 191 | (mfd->panel.type == WRITEBACK_PANEL)) { |
| 192 | pr_debug("return due to security concerns\n"); |
| 193 | return -EPERM; |
| 194 | } |
| 195 | min_src_size = fmt->is_yuv ? 2 : 1; |
| 196 | |
| 197 | if (layer->z_order >= (mdata->max_target_zorder + MDSS_MDP_STAGE_0)) { |
| 198 | pr_err("zorder %d out of range\n", layer->z_order); |
| 199 | return -EINVAL; |
| 200 | } |
| 201 | |
| 202 | if (!mdss_mdp_pipe_search(mdata, layer->pipe_ndx, rect_num)) { |
| 203 | pr_err("layer pipe is invalid: 0x%x rect:%d\n", |
| 204 | layer->pipe_ndx, rect_num); |
| 205 | return -EINVAL; |
| 206 | } |
| 207 | |
| 208 | width = layer->buffer.width; |
| 209 | height = layer->buffer.height; |
| 210 | if (layer->flags & MDP_LAYER_DEINTERLACE) { |
| 211 | width *= 2; |
| 212 | height /= 2; |
| 213 | } |
| 214 | |
| 215 | if (layer->buffer.width > MAX_IMG_WIDTH || |
| 216 | layer->buffer.height > MAX_IMG_HEIGHT || |
| 217 | layer->src_rect.w < min_src_size || |
| 218 | layer->src_rect.h < min_src_size || |
| 219 | CHECK_LAYER_BOUNDS(layer->src_rect.x, layer->src_rect.w, width) || |
| 220 | CHECK_LAYER_BOUNDS(layer->src_rect.y, layer->src_rect.h, height)) { |
| 221 | pr_err("invalid source image img flag=%d wh=%dx%d rect=%d,%d,%d,%d\n", |
| 222 | layer->flags, width, height, |
| 223 | layer->src_rect.x, layer->src_rect.y, |
| 224 | layer->src_rect.w, layer->src_rect.h); |
| 225 | return -EINVAL; |
| 226 | } |
| 227 | |
| 228 | if (layer->dst_rect.w < min_dst_size || |
| 229 | layer->dst_rect.h < min_dst_size) { |
| 230 | pr_err("invalid destination resolution (%dx%d)", |
| 231 | layer->dst_rect.w, layer->dst_rect.h); |
| 232 | return -EINVAL; |
| 233 | } |
| 234 | |
| 235 | if (layer->horz_deci || layer->vert_deci) { |
| 236 | if (!mdata->has_decimation) { |
| 237 | pr_err("No Decimation in MDP V=%x\n", mdata->mdp_rev); |
| 238 | return -EINVAL; |
| 239 | } else if ((layer->horz_deci > MAX_DECIMATION) || |
| 240 | (layer->vert_deci > MAX_DECIMATION)) { |
| 241 | pr_err("Invalid decimation factors horz=%d vert=%d\n", |
| 242 | layer->horz_deci, layer->vert_deci); |
| 243 | return -EINVAL; |
| 244 | } else if (layer->flags & MDP_LAYER_BWC) { |
| 245 | pr_err("Decimation can't be enabled with BWC\n"); |
| 246 | return -EINVAL; |
| 247 | } else if (fmt->fetch_mode != MDSS_MDP_FETCH_LINEAR) { |
| 248 | pr_err("Decimation can't be enabled with MacroTile format\n"); |
| 249 | return -EINVAL; |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | if (CHECK_LAYER_BOUNDS(layer->dst_rect.y, layer->dst_rect.h, yres)) { |
| 254 | pr_err("invalid vertical destination: y=%d, h=%d, yres=%d\n", |
| 255 | layer->dst_rect.y, layer->dst_rect.h, yres); |
| 256 | return -EOVERFLOW; |
| 257 | } |
| 258 | |
| 259 | dst_w = layer->dst_rect.w; |
| 260 | dst_h = layer->dst_rect.h; |
| 261 | |
| 262 | src_w = layer->src_rect.w >> layer->horz_deci; |
| 263 | src_h = layer->src_rect.h >> layer->vert_deci; |
| 264 | |
| 265 | if (src_w > mdata->max_mixer_width) { |
| 266 | pr_err("invalid source width=%d HDec=%d\n", |
| 267 | layer->src_rect.w, layer->horz_deci); |
| 268 | return -EINVAL; |
| 269 | } |
| 270 | |
| 271 | if ((src_w * MAX_UPSCALE_RATIO) < dst_w) { |
| 272 | pr_err("too much upscaling Width %d->%d\n", |
| 273 | layer->src_rect.w, layer->dst_rect.w); |
| 274 | return -E2BIG; |
| 275 | } |
| 276 | |
| 277 | if ((src_h * MAX_UPSCALE_RATIO) < dst_h) { |
| 278 | pr_err("too much upscaling. Height %d->%d\n", |
| 279 | layer->src_rect.h, layer->dst_rect.h); |
| 280 | return -E2BIG; |
| 281 | } |
| 282 | |
| 283 | if (src_w > (dst_w * MAX_DOWNSCALE_RATIO)) { |
| 284 | pr_err("too much downscaling. Width %d->%d H Dec=%d\n", |
| 285 | src_w, layer->dst_rect.w, layer->horz_deci); |
| 286 | return -E2BIG; |
| 287 | } |
| 288 | |
| 289 | if (src_h > (dst_h * MAX_DOWNSCALE_RATIO)) { |
| 290 | pr_err("too much downscaling. Height %d->%d V Dec=%d\n", |
| 291 | src_h, layer->dst_rect.h, layer->vert_deci); |
| 292 | return -E2BIG; |
| 293 | } |
| 294 | |
| 295 | if (layer->flags & MDP_LAYER_BWC) { |
| 296 | if ((layer->buffer.width != layer->src_rect.w) || |
| 297 | (layer->buffer.height != layer->src_rect.h)) { |
| 298 | pr_err("BWC: mismatch of src img=%dx%d rect=%dx%d\n", |
| 299 | layer->buffer.width, layer->buffer.height, |
| 300 | layer->src_rect.w, layer->src_rect.h); |
| 301 | return -EINVAL; |
| 302 | } |
| 303 | |
| 304 | if (layer->horz_deci || layer->vert_deci) { |
| 305 | pr_err("Can't enable BWC decode && decimate\n"); |
| 306 | return -EINVAL; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | if ((layer->flags & MDP_LAYER_DEINTERLACE) && |
| 311 | !(layer->flags & SCALER_ENABLED)) { |
| 312 | if (layer->flags & MDP_SOURCE_ROTATED_90) { |
| 313 | if ((layer->src_rect.w % 4) != 0) { |
| 314 | pr_err("interlaced rect not h/4\n"); |
| 315 | return -EINVAL; |
| 316 | } |
| 317 | } else if ((layer->src_rect.h % 4) != 0) { |
| 318 | pr_err("interlaced rect not h/4\n"); |
| 319 | return -EINVAL; |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | if (fmt->is_yuv) { |
| 324 | if ((layer->src_rect.x & 0x1) || (layer->src_rect.y & 0x1) || |
| 325 | (layer->src_rect.w & 0x1) || (layer->src_rect.h & 0x1)) { |
| 326 | pr_err("invalid odd src resolution or coordinates\n"); |
| 327 | return -EINVAL; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | return 0; |
| 332 | } |
| 333 | |
| 334 | /* compare all reconfiguration parameter validation in this API */ |
| 335 | static int __validate_layer_reconfig(struct mdp_input_layer *layer, |
| 336 | struct mdss_mdp_pipe *pipe) |
| 337 | { |
| 338 | int status = 0; |
| 339 | struct mdss_mdp_format_params *src_fmt; |
| 340 | |
| 341 | /* |
| 342 | * csc registers are not double buffered. It is not permitted |
| 343 | * to change them on staged pipe with YUV layer. |
| 344 | */ |
| 345 | if (pipe->csc_coeff_set != layer->color_space) { |
| 346 | src_fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 347 | if (pipe->src_fmt->is_yuv && src_fmt && src_fmt->is_yuv) { |
| 348 | status = -EPERM; |
| 349 | pr_err("csc change is not permitted on used pipe\n"); |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | return status; |
| 354 | } |
| 355 | |
| 356 | static int __validate_single_layer(struct msm_fb_data_type *mfd, |
| 357 | struct mdss_mdp_validate_info_t *layer_info, u32 mixer_mux) |
| 358 | { |
| 359 | u32 bwc_enabled; |
| 360 | int ret; |
| 361 | bool is_vig_needed = false; |
| 362 | struct mdss_mdp_format_params *fmt; |
| 363 | struct mdss_mdp_mixer *mixer = NULL; |
| 364 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 365 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 366 | struct mdp_input_layer *layer = layer_info->layer; |
| 367 | int ptype = get_pipe_type_from_ndx(layer->pipe_ndx); |
| 368 | |
| 369 | if (ptype == MDSS_MDP_PIPE_TYPE_INVALID) { |
| 370 | pr_err("Invalid pipe ndx=%d\n", layer->pipe_ndx); |
| 371 | return -EINVAL; |
| 372 | } |
| 373 | |
| 374 | if ((layer->dst_rect.w > mdata->max_mixer_width) || |
| 375 | (layer->dst_rect.h > MAX_DST_H)) { |
| 376 | pr_err("exceeded max mixer supported resolution %dx%d\n", |
| 377 | layer->dst_rect.w, layer->dst_rect.h); |
| 378 | ret = -EINVAL; |
| 379 | goto exit_fail; |
| 380 | } |
| 381 | |
| 382 | pr_debug("ctl=%u mux=%d z_order=%d flags=0x%x dst_x:%d\n", |
| 383 | mdp5_data->ctl->num, mixer_mux, layer->z_order, |
| 384 | layer->flags, layer->dst_rect.x); |
| 385 | |
| 386 | fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 387 | if (!fmt) { |
| 388 | pr_err("invalid layer format %d\n", layer->buffer.format); |
| 389 | ret = -EINVAL; |
| 390 | goto exit_fail; |
| 391 | } |
| 392 | |
| 393 | bwc_enabled = layer->flags & MDP_LAYER_BWC; |
| 394 | |
| 395 | if (bwc_enabled) { |
| 396 | if (!mdp5_data->mdata->has_bwc) { |
| 397 | pr_err("layer uses bwc format but MDP does not support it\n"); |
| 398 | ret = -EINVAL; |
| 399 | goto exit_fail; |
| 400 | } |
| 401 | |
| 402 | layer->buffer.format = |
| 403 | mdss_mdp_get_rotator_dst_format( |
| 404 | layer->buffer.format, false, bwc_enabled); |
| 405 | fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 406 | if (!fmt) { |
| 407 | pr_err("invalid layer format %d\n", |
| 408 | layer->buffer.format); |
| 409 | ret = -EINVAL; |
| 410 | goto exit_fail; |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | if (ptype == MDSS_MDP_PIPE_TYPE_CURSOR) { |
| 415 | ret = __cursor_layer_check(mfd, layer); |
| 416 | if (ret) |
| 417 | goto exit_fail; |
| 418 | } |
| 419 | |
| 420 | ret = __layer_xres_check(mfd, layer); |
| 421 | if (ret) |
| 422 | goto exit_fail; |
| 423 | |
| 424 | ret = __layer_param_check(mfd, layer, fmt, layer_info->multirect.num); |
| 425 | if (ret) |
| 426 | goto exit_fail; |
| 427 | |
| 428 | mixer = mdss_mdp_mixer_get(mdp5_data->ctl, mixer_mux); |
| 429 | if (!mixer) { |
| 430 | pr_err("unable to get %s mixer\n", |
| 431 | (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) ? |
| 432 | "right" : "left"); |
| 433 | ret = -EPERM; |
| 434 | goto exit_fail; |
| 435 | } |
| 436 | |
| 437 | if (fmt->is_yuv || (mdata->has_non_scalar_rgb && |
| 438 | ((layer->src_rect.w != layer->dst_rect.w) || |
| 439 | (layer->src_rect.h != layer->dst_rect.h)))) |
| 440 | is_vig_needed = true; |
| 441 | |
| 442 | if (is_vig_needed && ptype != MDSS_MDP_PIPE_TYPE_VIG) { |
| 443 | pr_err("pipe is non-scalar ndx=%x\n", layer->pipe_ndx); |
| 444 | ret = -EINVAL; |
| 445 | goto exit_fail; |
| 446 | } |
| 447 | |
| 448 | if (((ptype == MDSS_MDP_PIPE_TYPE_DMA) || |
| 449 | (ptype == MDSS_MDP_PIPE_TYPE_CURSOR)) && |
| 450 | (layer->dst_rect.h != layer->src_rect.h || |
| 451 | layer->dst_rect.w != layer->src_rect.w)) { |
| 452 | pr_err("no scaling supported on dma/cursor pipe, pipe num:%d\n", |
| 453 | layer->pipe_ndx); |
| 454 | return -EINVAL; |
| 455 | } |
| 456 | |
| 457 | exit_fail: |
| 458 | return ret; |
| 459 | } |
| 460 | |
| 461 | static int __configure_pipe_params(struct msm_fb_data_type *mfd, |
| 462 | struct mdss_mdp_validate_info_t *vinfo, struct mdss_mdp_pipe *pipe, |
| 463 | struct mdss_mdp_pipe *left_blend_pipe, bool is_single_layer, |
| 464 | u32 mixer_mux) |
| 465 | { |
| 466 | int ret = 0; |
| 467 | u32 left_lm_w = left_lm_w_from_mfd(mfd); |
| 468 | u32 flags; |
| 469 | bool is_right_blend = false; |
| 470 | |
| 471 | struct mdss_mdp_mixer *mixer = NULL; |
| 472 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 473 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 474 | struct mdp_input_layer *layer = vinfo->layer; |
| 475 | |
| 476 | mixer = mdss_mdp_mixer_get(mdp5_data->ctl, mixer_mux); |
| 477 | pipe->src_fmt = mdss_mdp_get_format_params(layer->buffer.format); |
| 478 | if (!pipe->src_fmt || !mixer) { |
| 479 | pr_err("invalid layer format:%d or mixer:%pK\n", |
| 480 | layer->buffer.format, pipe->mixer_left); |
| 481 | ret = -EINVAL; |
| 482 | goto end; |
| 483 | } |
| 484 | |
| 485 | pipe->comp_ratio = layer->buffer.comp_ratio; |
| 486 | |
| 487 | if (mfd->panel_orientation) |
| 488 | layer->flags ^= mfd->panel_orientation; |
| 489 | |
| 490 | pipe->mixer_left = mixer; |
| 491 | pipe->mfd = mfd; |
| 492 | pipe->play_cnt = 0; |
| 493 | pipe->flags = 0; |
| 494 | |
| 495 | if (layer->flags & MDP_LAYER_FLIP_LR) |
| 496 | pipe->flags = MDP_FLIP_LR; |
| 497 | if (layer->flags & MDP_LAYER_FLIP_UD) |
| 498 | pipe->flags |= MDP_FLIP_UD; |
| 499 | if (layer->flags & MDP_LAYER_SECURE_SESSION) |
| 500 | pipe->flags |= MDP_SECURE_OVERLAY_SESSION; |
| 501 | if (layer->flags & MDP_LAYER_SECURE_DISPLAY_SESSION) |
| 502 | pipe->flags |= MDP_SECURE_DISPLAY_OVERLAY_SESSION; |
| 503 | if (layer->flags & MDP_LAYER_SOLID_FILL) |
| 504 | pipe->flags |= MDP_SOLID_FILL; |
| 505 | if (layer->flags & MDP_LAYER_DEINTERLACE) |
| 506 | pipe->flags |= MDP_DEINTERLACE; |
| 507 | if (layer->flags & MDP_LAYER_BWC) |
| 508 | pipe->flags |= MDP_BWC_EN; |
| 509 | if (layer->flags & MDP_LAYER_PP) |
| 510 | pipe->flags |= MDP_OVERLAY_PP_CFG_EN; |
| 511 | |
| 512 | pipe->is_fg = layer->flags & MDP_LAYER_FORGROUND; |
| 513 | pipe->img_width = layer->buffer.width & 0x3fff; |
| 514 | pipe->img_height = layer->buffer.height & 0x3fff; |
| 515 | pipe->src.x = layer->src_rect.x; |
| 516 | pipe->src.y = layer->src_rect.y; |
| 517 | pipe->src.w = layer->src_rect.w; |
| 518 | pipe->src.h = layer->src_rect.h; |
| 519 | pipe->dst.x = layer->dst_rect.x; |
| 520 | pipe->dst.y = layer->dst_rect.y; |
| 521 | pipe->dst.w = layer->dst_rect.w; |
| 522 | pipe->dst.h = layer->dst_rect.h; |
| 523 | pipe->horz_deci = layer->horz_deci; |
| 524 | pipe->vert_deci = layer->vert_deci; |
| 525 | pipe->bg_color = layer->bg_color; |
| 526 | pipe->alpha = layer->alpha; |
| 527 | pipe->transp = layer->transp_mask; |
| 528 | pipe->blend_op = layer->blend_op; |
| 529 | pipe->is_handed_off = false; |
| 530 | pipe->async_update = (layer->flags & MDP_LAYER_ASYNC) ? true : false; |
| 531 | pipe->csc_coeff_set = layer->color_space; |
| 532 | |
| 533 | if (mixer->ctl) { |
| 534 | pipe->dst.x += mixer->ctl->border_x_off; |
| 535 | pipe->dst.y += mixer->ctl->border_y_off; |
| 536 | pr_debug("border{%d,%d}\n", mixer->ctl->border_x_off, |
| 537 | mixer->ctl->border_y_off); |
| 538 | } |
| 539 | pr_debug("src{%d,%d,%d,%d}, dst{%d,%d,%d,%d}\n", |
| 540 | pipe->src.x, pipe->src.y, pipe->src.w, pipe->src.h, |
| 541 | pipe->dst.x, pipe->dst.y, pipe->dst.w, pipe->dst.h); |
| 542 | |
| 543 | if (layer->flags & SCALER_ENABLED) |
| 544 | memcpy(&pipe->scaler, layer->scale, |
| 545 | sizeof(struct mdp_scale_data_v2)); |
| 546 | |
| 547 | pipe->scaler.enable = (layer->flags & SCALER_ENABLED); |
| 548 | |
| 549 | flags = pipe->flags; |
| 550 | if (is_single_layer) |
| 551 | flags |= PERF_CALC_PIPE_SINGLE_LAYER; |
| 552 | |
| 553 | /* |
| 554 | * async update is allowed only in video mode panels with single LM |
| 555 | * or dual LM with src_split enabled. |
| 556 | */ |
| 557 | if (pipe->async_update && ((is_split_lm(mfd) && !mdata->has_src_split) |
| 558 | || (!mdp5_data->ctl->is_video_mode))) { |
| 559 | pr_err("async update allowed only in video mode panel with src_split\n"); |
| 560 | ret = -EINVAL; |
| 561 | goto end; |
| 562 | } |
| 563 | |
| 564 | /* |
| 565 | * unstage the pipe if it's current z_order does not match with new |
| 566 | * z_order because client may only call the validate. |
| 567 | */ |
| 568 | if (pipe->mixer_stage != layer->z_order) |
| 569 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 570 | |
| 571 | /* |
| 572 | * check if overlay span across two mixers and if source split is |
| 573 | * available. If yes, enable src_split_req flag so that during mixer |
| 574 | * staging, same pipe will be stagged on both layer mixers. |
| 575 | */ |
| 576 | if (mdata->has_src_split) { |
| 577 | is_right_blend = pipe->is_right_blend; |
| 578 | if (left_blend_pipe) { |
| 579 | if (pipe->priority <= left_blend_pipe->priority) { |
| 580 | pr_err("priority limitation. left:%d right%d\n", |
| 581 | left_blend_pipe->priority, |
| 582 | pipe->priority); |
| 583 | ret = -EPERM; |
| 584 | goto end; |
| 585 | } else { |
| 586 | pr_debug("pipe%d is a right_pipe\n", pipe->num); |
| 587 | is_right_blend = true; |
| 588 | } |
| 589 | } else if (pipe->is_right_blend) { |
| 590 | /* |
| 591 | * pipe used to be right blend. So need to update mixer |
| 592 | * configuration to remove it as a right blend. |
| 593 | */ |
| 594 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 595 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right); |
| 596 | is_right_blend = false; |
| 597 | } |
| 598 | |
| 599 | if (is_split_lm(mfd) && __layer_needs_src_split(layer)) { |
| 600 | pipe->src_split_req = true; |
| 601 | } else if ((mixer_mux == MDSS_MDP_MIXER_MUX_LEFT) && |
| 602 | ((layer->dst_rect.x + layer->dst_rect.w) > mixer->width)) { |
| 603 | if (layer->dst_rect.x >= mixer->width) { |
| 604 | pr_err("%pS: err dst_x can't lie in right half", |
| 605 | __builtin_return_address(0)); |
| 606 | pr_cont(" flags:0x%x dst x:%d w:%d lm_w:%d\n", |
| 607 | layer->flags, layer->dst_rect.x, |
| 608 | layer->dst_rect.w, mixer->width); |
| 609 | ret = -EINVAL; |
| 610 | goto end; |
| 611 | } else { |
| 612 | pipe->src_split_req = true; |
| 613 | } |
| 614 | } else { |
| 615 | if (pipe->src_split_req) { |
| 616 | mdss_mdp_mixer_pipe_unstage(pipe, |
| 617 | pipe->mixer_right); |
| 618 | pipe->mixer_right = NULL; |
| 619 | } |
| 620 | pipe->src_split_req = false; |
| 621 | } |
| 622 | pipe->is_right_blend = is_right_blend; |
| 623 | } |
| 624 | |
| 625 | pipe->multirect.mode = vinfo->multirect.mode; |
| 626 | pipe->mixer_stage = layer->z_order; |
| 627 | |
| 628 | if (mfd->panel_orientation & MDP_FLIP_LR) |
| 629 | pipe->dst.x = pipe->mixer_left->width - pipe->dst.x - |
| 630 | pipe->dst.w; |
| 631 | if (mfd->panel_orientation & MDP_FLIP_UD) |
| 632 | pipe->dst.y = pipe->mixer_left->height - pipe->dst.y - |
| 633 | pipe->dst.h; |
| 634 | |
| 635 | memcpy(&pipe->layer, layer, sizeof(struct mdp_input_layer)); |
| 636 | |
| 637 | mdss_mdp_overlay_set_chroma_sample(pipe); |
| 638 | |
| 639 | if (pipe->blend_op == BLEND_OP_NOT_DEFINED) |
| 640 | pipe->blend_op = pipe->src_fmt->alpha_enable ? |
| 641 | BLEND_OP_PREMULTIPLIED : BLEND_OP_OPAQUE; |
| 642 | |
| 643 | if (pipe->src_fmt->is_yuv && !(pipe->flags & MDP_SOURCE_ROTATED_90) && |
| 644 | !pipe->scaler.enable) { |
| 645 | pipe->overfetch_disable = OVERFETCH_DISABLE_BOTTOM; |
| 646 | |
| 647 | if (pipe->dst.x >= left_lm_w) |
| 648 | pipe->overfetch_disable |= OVERFETCH_DISABLE_RIGHT; |
| 649 | pr_debug("overfetch flags=%x\n", pipe->overfetch_disable); |
| 650 | } else { |
| 651 | pipe->overfetch_disable = 0; |
| 652 | } |
| 653 | |
| 654 | /* |
| 655 | * When scaling is enabled src crop and image |
| 656 | * width and height is modified by user |
| 657 | */ |
| 658 | if ((pipe->flags & MDP_DEINTERLACE) && !pipe->scaler.enable) { |
| 659 | if (pipe->flags & MDP_SOURCE_ROTATED_90) { |
| 660 | pipe->src.x = DIV_ROUND_UP(pipe->src.x, 2); |
| 661 | pipe->src.x &= ~1; |
| 662 | pipe->src.w /= 2; |
| 663 | pipe->img_width /= 2; |
| 664 | } else { |
| 665 | pipe->src.h /= 2; |
| 666 | pipe->src.y = DIV_ROUND_UP(pipe->src.y, 2); |
| 667 | pipe->src.y &= ~1; |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | ret = mdss_mdp_overlay_setup_scaling(pipe); |
| 672 | if (ret) { |
| 673 | pr_err("scaling setup failed %d\n", ret); |
| 674 | goto end; |
| 675 | } |
| 676 | |
| 677 | if (layer->flags & MDP_LAYER_PP) { |
| 678 | memcpy(&pipe->pp_cfg, layer->pp_info, |
| 679 | sizeof(struct mdp_overlay_pp_params)); |
| 680 | ret = mdss_mdp_pp_sspp_config(pipe); |
| 681 | if (ret) { |
| 682 | pr_err("pp setup failed %d\n", ret); |
| 683 | goto end; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | if (pipe->type == MDSS_MDP_PIPE_TYPE_CURSOR) |
| 688 | goto end; |
| 689 | |
| 690 | ret = mdp_pipe_tune_perf(pipe, flags); |
| 691 | if (ret) { |
| 692 | pr_err("unable to satisfy performance. ret=%d\n", ret); |
| 693 | goto end; |
| 694 | } |
| 695 | |
| 696 | ret = mdss_mdp_smp_reserve(pipe); |
| 697 | if (ret) { |
| 698 | pr_err("mdss_mdp_smp_reserve failed. pnum:%d ret=%d\n", |
| 699 | pipe->num, ret); |
| 700 | goto end; |
| 701 | } |
| 702 | end: |
| 703 | return ret; |
| 704 | } |
| 705 | |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 706 | static struct mdss_fence *__create_fence(struct msm_fb_data_type *mfd, |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 707 | struct msm_sync_pt_data *sync_pt_data, u32 fence_type, |
| 708 | int *fence_fd, int value) |
| 709 | { |
| 710 | struct mdss_overlay_private *mdp5_data; |
| 711 | struct mdss_mdp_ctl *ctl; |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 712 | struct mdss_fence *sync_fence = NULL; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 713 | char fence_name[32]; |
| 714 | |
| 715 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 716 | |
| 717 | ctl = mdp5_data->ctl; |
| 718 | if (!ctl->ops.add_vsync_handler) { |
| 719 | pr_err("fb%d vsync pending first update\n", mfd->index); |
| 720 | return ERR_PTR(-EOPNOTSUPP); |
| 721 | } |
| 722 | |
| 723 | if (!mdss_mdp_ctl_is_power_on(ctl)) { |
| 724 | pr_err("fb%d ctl power on failed\n", mfd->index); |
| 725 | return ERR_PTR(-EPERM); |
| 726 | } |
| 727 | |
| 728 | if (fence_type == MDSS_MDP_RETIRE_FENCE) |
| 729 | snprintf(fence_name, sizeof(fence_name), "fb%d_retire", |
| 730 | mfd->index); |
| 731 | else |
| 732 | snprintf(fence_name, sizeof(fence_name), "fb%d_release", |
| 733 | mfd->index); |
| 734 | |
| 735 | if ((fence_type == MDSS_MDP_RETIRE_FENCE) && |
| 736 | (mfd->panel.type == MIPI_CMD_PANEL)) { |
| 737 | if (mdp5_data->vsync_timeline) { |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 738 | value = 1 + mdp5_data->retire_cnt++; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 739 | sync_fence = mdss_fb_sync_get_fence( |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 740 | mdp5_data->vsync_timeline, fence_name, |
| 741 | value); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 742 | } else { |
| 743 | return ERR_PTR(-EPERM); |
| 744 | } |
| 745 | } else { |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 746 | if (fence_type == MDSS_MDP_RETIRE_FENCE) |
| 747 | sync_fence = mdss_fb_sync_get_fence( |
| 748 | sync_pt_data->timeline_retire, |
| 749 | fence_name, value); |
| 750 | else |
| 751 | sync_fence = mdss_fb_sync_get_fence( |
| 752 | sync_pt_data->timeline, |
| 753 | fence_name, value); |
| 754 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | if (IS_ERR_OR_NULL(sync_fence)) { |
| 758 | pr_err("%s: unable to retrieve release fence\n", fence_name); |
| 759 | goto end; |
| 760 | } |
| 761 | |
| 762 | /* get fence fd */ |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 763 | *fence_fd = mdss_get_sync_fence_fd(sync_fence); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 764 | if (*fence_fd < 0) { |
| 765 | pr_err("%s: get_unused_fd_flags failed error:0x%x\n", |
| 766 | fence_name, *fence_fd); |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 767 | mdss_put_sync_fence(sync_fence); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 768 | sync_fence = NULL; |
| 769 | goto end; |
| 770 | } |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 771 | pr_debug("%s:val=%d\n", mdss_get_sync_fence_name(sync_fence), value); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 772 | |
| 773 | end: |
| 774 | return sync_fence; |
| 775 | } |
| 776 | |
| 777 | /* |
| 778 | * __handle_buffer_fences() - copy sync fences and return release/retire |
| 779 | * fence to caller. |
| 780 | * |
| 781 | * This function copies all input sync fences to acquire fence array and |
| 782 | * returns release/retire fences to caller. It acts like buff_sync ioctl. |
| 783 | */ |
| 784 | static int __handle_buffer_fences(struct msm_fb_data_type *mfd, |
| 785 | struct mdp_layer_commit_v1 *commit, struct mdp_input_layer *layer_list) |
| 786 | { |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 787 | struct mdss_fence *fence, *release_fence, *retire_fence; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 788 | struct msm_sync_pt_data *sync_pt_data = NULL; |
| 789 | struct mdp_input_layer *layer; |
| 790 | int value; |
| 791 | |
| 792 | u32 acq_fen_count, i, ret = 0; |
| 793 | u32 layer_count = commit->input_layer_cnt; |
| 794 | |
| 795 | sync_pt_data = &mfd->mdp_sync_pt_data; |
| 796 | if (!sync_pt_data) { |
| 797 | pr_err("sync point data are NULL\n"); |
| 798 | return -EINVAL; |
| 799 | } |
| 800 | |
| 801 | i = mdss_fb_wait_for_fence(sync_pt_data); |
| 802 | if (i > 0) |
| 803 | pr_warn("%s: waited on %d active fences\n", |
| 804 | sync_pt_data->fence_name, i); |
| 805 | |
| 806 | mutex_lock(&sync_pt_data->sync_mutex); |
| 807 | for (i = 0, acq_fen_count = 0; i < layer_count; i++) { |
| 808 | layer = &layer_list[i]; |
| 809 | |
| 810 | if (layer->buffer.fence < 0) |
| 811 | continue; |
| 812 | |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 813 | fence = mdss_get_fd_sync_fence(layer->buffer.fence); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 814 | if (!fence) { |
| 815 | pr_err("%s: sync fence get failed! fd=%d\n", |
| 816 | sync_pt_data->fence_name, layer->buffer.fence); |
| 817 | ret = -EINVAL; |
| 818 | break; |
| 819 | } |
| 820 | sync_pt_data->acq_fen[acq_fen_count++] = fence; |
| 821 | } |
| 822 | sync_pt_data->acq_fen_cnt = acq_fen_count; |
| 823 | if (ret) |
| 824 | goto sync_fence_err; |
| 825 | |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 826 | value = sync_pt_data->threshold + |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 827 | atomic_read(&sync_pt_data->commit_cnt); |
| 828 | |
| 829 | release_fence = __create_fence(mfd, sync_pt_data, |
| 830 | MDSS_MDP_RELEASE_FENCE, &commit->release_fence, value); |
| 831 | if (IS_ERR_OR_NULL(release_fence)) { |
| 832 | pr_err("unable to retrieve release fence\n"); |
| 833 | ret = PTR_ERR(release_fence); |
| 834 | goto release_fence_err; |
| 835 | } |
| 836 | |
| 837 | retire_fence = __create_fence(mfd, sync_pt_data, |
| 838 | MDSS_MDP_RETIRE_FENCE, &commit->retire_fence, value); |
| 839 | if (IS_ERR_OR_NULL(retire_fence)) { |
| 840 | pr_err("unable to retrieve retire fence\n"); |
| 841 | ret = PTR_ERR(retire_fence); |
| 842 | goto retire_fence_err; |
| 843 | } |
| 844 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 845 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 846 | return ret; |
| 847 | |
| 848 | retire_fence_err: |
| 849 | put_unused_fd(commit->release_fence); |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 850 | mdss_put_sync_fence(release_fence); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 851 | release_fence_err: |
| 852 | commit->retire_fence = -1; |
| 853 | commit->release_fence = -1; |
| 854 | sync_fence_err: |
| 855 | for (i = 0; i < sync_pt_data->acq_fen_cnt; i++) |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 856 | mdss_put_sync_fence(sync_pt_data->acq_fen[i]); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 857 | sync_pt_data->acq_fen_cnt = 0; |
| 858 | |
| 859 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 860 | |
| 861 | return ret; |
| 862 | } |
| 863 | |
| 864 | /* |
| 865 | * __map_layer_buffer() - map input layer buffer |
| 866 | * |
| 867 | * This function maps input layer buffer. It supports only single layer |
| 868 | * buffer mapping right now. This is case for all formats including UBWC. |
| 869 | */ |
| 870 | static struct mdss_mdp_data *__map_layer_buffer(struct msm_fb_data_type *mfd, |
| 871 | struct mdss_mdp_pipe *pipe, |
| 872 | struct mdss_mdp_validate_info_t *validate_info_list, |
| 873 | u32 layer_count) |
| 874 | { |
| 875 | struct mdss_mdp_data *src_data; |
| 876 | struct mdp_input_layer *layer = NULL; |
| 877 | struct mdp_layer_buffer *buffer; |
| 878 | struct msmfb_data image; |
| 879 | int i, ret; |
| 880 | u32 flags; |
| 881 | struct mdss_mdp_validate_info_t *vitem; |
| 882 | |
| 883 | for (i = 0; i < layer_count; i++) { |
| 884 | vitem = &validate_info_list[i]; |
| 885 | layer = vitem->layer; |
| 886 | if ((layer->pipe_ndx == pipe->ndx) && |
| 887 | (vitem->multirect.num == pipe->multirect.num)) |
| 888 | break; |
| 889 | } |
| 890 | |
| 891 | if (i == layer_count) { |
| 892 | pr_err("layer count index is out of bound\n"); |
| 893 | src_data = ERR_PTR(-EINVAL); |
| 894 | goto end; |
| 895 | } |
| 896 | |
| 897 | buffer = &layer->buffer; |
| 898 | |
| 899 | if (pipe->flags & MDP_SOLID_FILL) { |
| 900 | pr_err("Unexpected buffer queue to a solid fill pipe\n"); |
| 901 | src_data = ERR_PTR(-EINVAL); |
| 902 | goto end; |
| 903 | } |
| 904 | |
| 905 | flags = (pipe->flags & (MDP_SECURE_OVERLAY_SESSION | |
| 906 | MDP_SECURE_DISPLAY_OVERLAY_SESSION)); |
| 907 | |
| 908 | if (buffer->planes[0].fd < 0) { |
| 909 | pr_err("invalid file descriptor for layer buffer\n"); |
| 910 | src_data = ERR_PTR(-EINVAL); |
| 911 | goto end; |
| 912 | } |
| 913 | |
| 914 | src_data = mdss_mdp_overlay_buf_alloc(mfd, pipe); |
| 915 | if (!src_data) { |
| 916 | pr_err("unable to allocate source buffer\n"); |
| 917 | src_data = ERR_PTR(-ENOMEM); |
| 918 | goto end; |
| 919 | } |
| 920 | memset(&image, 0, sizeof(image)); |
| 921 | |
| 922 | image.memory_id = buffer->planes[0].fd; |
| 923 | image.offset = buffer->planes[0].offset; |
| 924 | ret = mdss_mdp_data_get_and_validate_size(src_data, &image, 1, |
| 925 | flags, &mfd->pdev->dev, false, DMA_TO_DEVICE, |
| 926 | buffer); |
| 927 | if (ret) |
| 928 | goto end_buf_free; |
| 929 | |
| 930 | src_data->num_planes = 1; |
| 931 | return src_data; |
| 932 | |
| 933 | end_buf_free: |
| 934 | mdss_mdp_overlay_buf_free(mfd, src_data); |
| 935 | src_data = ERR_PTR(ret); |
| 936 | end: |
| 937 | return src_data; |
| 938 | } |
| 939 | |
| 940 | static inline bool __compare_layer_config(struct mdp_input_layer *validate, |
| 941 | struct mdss_mdp_pipe *pipe) |
| 942 | { |
| 943 | struct mdp_input_layer *layer = &pipe->layer; |
| 944 | bool status = true; |
| 945 | |
| 946 | status = !memcmp(&validate->src_rect, &layer->src_rect, |
| 947 | sizeof(validate->src_rect)) && |
| 948 | !memcmp(&validate->dst_rect, &layer->dst_rect, |
| 949 | sizeof(validate->dst_rect)) && |
| 950 | validate->flags == layer->flags && |
| 951 | validate->horz_deci == layer->horz_deci && |
| 952 | validate->vert_deci == layer->vert_deci && |
| 953 | validate->alpha == layer->alpha && |
| 954 | validate->color_space == layer->color_space && |
| 955 | validate->z_order == (layer->z_order - MDSS_MDP_STAGE_0) && |
| 956 | validate->transp_mask == layer->transp_mask && |
| 957 | validate->bg_color == layer->bg_color && |
| 958 | validate->blend_op == layer->blend_op && |
| 959 | validate->buffer.width == layer->buffer.width && |
| 960 | validate->buffer.height == layer->buffer.height && |
| 961 | validate->buffer.format == layer->buffer.format; |
| 962 | |
| 963 | if (status && (validate->flags & SCALER_ENABLED)) |
| 964 | status = !memcmp(validate->scale, &pipe->scaler, |
| 965 | sizeof(pipe->scaler)); |
| 966 | |
| 967 | return status; |
| 968 | } |
| 969 | |
| 970 | /* |
| 971 | * __find_layer_in_validate_q() - Search layer in validation queue |
| 972 | * |
| 973 | * This functions helps to skip validation for layers where only buffer is |
| 974 | * changing. For ex: video playback case. In order to skip validation, it |
| 975 | * compares all input layer params except buffer handle, offset, fences. |
| 976 | */ |
| 977 | static struct mdss_mdp_pipe *__find_layer_in_validate_q( |
| 978 | struct mdss_mdp_validate_info_t *vinfo, |
| 979 | struct mdss_overlay_private *mdp5_data) |
| 980 | { |
| 981 | bool found = false; |
| 982 | struct mdss_mdp_pipe *pipe; |
| 983 | struct mdp_input_layer *layer = vinfo->layer; |
| 984 | |
| 985 | mutex_lock(&mdp5_data->list_lock); |
| 986 | list_for_each_entry(pipe, &mdp5_data->pipes_used, list) { |
| 987 | if ((pipe->ndx == layer->pipe_ndx) && |
| 988 | (pipe->multirect.num == vinfo->multirect.num)) { |
| 989 | if (__compare_layer_config(layer, pipe)) |
| 990 | found = true; |
| 991 | break; |
| 992 | } |
| 993 | } |
| 994 | mutex_unlock(&mdp5_data->list_lock); |
| 995 | |
| 996 | return found ? pipe : NULL; |
| 997 | } |
| 998 | |
| 999 | static bool __find_pipe_in_list(struct list_head *head, |
| 1000 | int pipe_ndx, struct mdss_mdp_pipe **out_pipe, |
| 1001 | enum mdss_mdp_pipe_rect rect_num) |
| 1002 | { |
| 1003 | struct mdss_mdp_pipe *pipe; |
| 1004 | |
| 1005 | list_for_each_entry(pipe, head, list) { |
| 1006 | if ((pipe_ndx == pipe->ndx) && |
| 1007 | (rect_num == pipe->multirect.num)) { |
| 1008 | *out_pipe = pipe; |
| 1009 | return true; |
| 1010 | } |
| 1011 | } |
| 1012 | |
| 1013 | return false; |
| 1014 | } |
| 1015 | |
| 1016 | /* |
| 1017 | * Search pipe from destroy and cleanup list to avoid validation failure. |
| 1018 | * It is caller responsibility to hold the list lock before calling this API. |
| 1019 | */ |
| 1020 | static struct mdss_mdp_pipe *__find_and_move_cleanup_pipe( |
| 1021 | struct mdss_overlay_private *mdp5_data, u32 pipe_ndx, |
| 1022 | enum mdss_mdp_pipe_rect rect_num) |
| 1023 | { |
| 1024 | struct mdss_mdp_pipe *pipe = NULL; |
| 1025 | |
| 1026 | if (__find_pipe_in_list(&mdp5_data->pipes_destroy, |
| 1027 | pipe_ndx, &pipe, rect_num)) { |
| 1028 | pr_debug("reuse destroy pipe id:%d ndx:%d rect:%d\n", |
| 1029 | pipe->num, pipe_ndx, rect_num); |
| 1030 | list_move(&pipe->list, &mdp5_data->pipes_used); |
| 1031 | } else if (__find_pipe_in_list(&mdp5_data->pipes_cleanup, |
| 1032 | pipe_ndx, &pipe, rect_num)) { |
| 1033 | pr_debug("reuse cleanup pipe id:%d ndx:%d rect:%d\n", |
| 1034 | pipe->num, pipe_ndx, rect_num); |
| 1035 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 1036 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_right); |
| 1037 | pipe->mixer_stage = MDSS_MDP_STAGE_UNUSED; |
| 1038 | list_move(&pipe->list, &mdp5_data->pipes_used); |
| 1039 | } |
| 1040 | |
| 1041 | return pipe; |
| 1042 | } |
| 1043 | |
| 1044 | /* |
| 1045 | * __assign_pipe_for_layer() - get a pipe for layer |
| 1046 | * |
| 1047 | * This function first searches the pipe from used list, cleanup list and |
| 1048 | * destroy list. On successful search, it returns the same pipe for current |
| 1049 | * layer. It also un-stage the pipe from current mixer for used, cleanup, |
| 1050 | * destroy pipes if they switches the mixer. On failure search, it returns |
| 1051 | * the null pipe. |
| 1052 | */ |
| 1053 | static struct mdss_mdp_pipe *__assign_pipe_for_layer( |
| 1054 | struct msm_fb_data_type *mfd, |
| 1055 | struct mdss_mdp_mixer *mixer, u32 pipe_ndx, |
| 1056 | enum layer_pipe_q *pipe_q_type, |
| 1057 | enum mdss_mdp_pipe_rect rect_num) |
| 1058 | { |
| 1059 | struct mdss_mdp_pipe *pipe = NULL; |
| 1060 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 1061 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 1062 | |
| 1063 | mutex_lock(&mdp5_data->list_lock); |
| 1064 | __find_pipe_in_list(&mdp5_data->pipes_used, pipe_ndx, &pipe, rect_num); |
| 1065 | if (IS_ERR_OR_NULL(pipe)) { |
| 1066 | pipe = __find_and_move_cleanup_pipe(mdp5_data, |
| 1067 | pipe_ndx, rect_num); |
| 1068 | if (IS_ERR_OR_NULL(pipe)) |
| 1069 | *pipe_q_type = LAYER_USES_NEW_PIPE_Q; |
| 1070 | else |
| 1071 | *pipe_q_type = LAYER_USES_DESTROY_PIPE_Q; |
| 1072 | } else { |
| 1073 | *pipe_q_type = LAYER_USES_USED_PIPE_Q; |
| 1074 | } |
| 1075 | mutex_unlock(&mdp5_data->list_lock); |
| 1076 | |
| 1077 | /* found the pipe from used, destroy or cleanup list */ |
| 1078 | if (!IS_ERR_OR_NULL(pipe)) { |
| 1079 | if (pipe->mixer_left != mixer) { |
| 1080 | if (!mixer->ctl || (mixer->ctl->mfd != mfd)) { |
| 1081 | pr_err("Can't switch mixer %d->%d pnum %d!\n", |
| 1082 | pipe->mixer_left->num, mixer->num, |
| 1083 | pipe->num); |
| 1084 | pipe = ERR_PTR(-EINVAL); |
| 1085 | goto end; |
| 1086 | } |
| 1087 | pr_debug("switching pipe%d mixer %d->%d\n", |
| 1088 | pipe->num, |
| 1089 | pipe->mixer_left ? pipe->mixer_left->num : -1, |
| 1090 | mixer->num); |
| 1091 | mdss_mdp_mixer_pipe_unstage(pipe, pipe->mixer_left); |
| 1092 | pipe->mixer_left = mixer; |
| 1093 | } |
| 1094 | goto end; |
| 1095 | } |
| 1096 | |
| 1097 | pipe = mdss_mdp_pipe_assign(mdata, mixer, pipe_ndx, rect_num); |
| 1098 | if (IS_ERR_OR_NULL(pipe)) { |
| 1099 | pr_err("error reserving pipe. pipe_ndx=0x%x rect_num=%d mfd ndx=%d\n", |
| 1100 | pipe_ndx, rect_num, mfd->index); |
| 1101 | goto end; |
| 1102 | } |
| 1103 | |
| 1104 | mutex_lock(&mdp5_data->list_lock); |
| 1105 | list_add(&pipe->list, &mdp5_data->pipes_used); |
| 1106 | mutex_unlock(&mdp5_data->list_lock); |
| 1107 | |
| 1108 | end: |
| 1109 | if (!IS_ERR_OR_NULL(pipe)) { |
| 1110 | pipe->dirty = false; |
| 1111 | pipe->params_changed++; |
| 1112 | } |
| 1113 | return pipe; |
| 1114 | } |
| 1115 | |
| 1116 | /* |
| 1117 | * __is_sd_state_valid() - validate secure display state |
| 1118 | * |
| 1119 | * This function checks if the current state of secrure display is valid, |
| 1120 | * based on the new settings. |
| 1121 | * For command mode panels, the sd state would be invalid if a non secure pipe |
| 1122 | * comes and one of the below condition is met: |
| 1123 | * 1) Secure Display is enabled for current client, and there is other |
| 1124 | secure client. |
| 1125 | * 2) Secure Display is disabled for current client, and there is other |
| 1126 | secure client. |
| 1127 | * 3) Secure pipes are already staged for the current client. |
| 1128 | * For other panels, the sd state would be invalid if a non secure pipe comes |
| 1129 | * and one of the below condition is met: |
| 1130 | * 1) Secure Display is enabled for current or other client. |
| 1131 | * 2) Secure pipes are already staged for the current client. |
| 1132 | * |
| 1133 | */ |
| 1134 | static inline bool __is_sd_state_valid(uint32_t sd_pipes, uint32_t nonsd_pipes, |
| 1135 | int panel_type, u32 sd_enabled) |
| 1136 | { |
| 1137 | if (panel_type == MIPI_CMD_PANEL) { |
| 1138 | if ((((mdss_get_sd_client_cnt() > 1) && sd_enabled) || |
| 1139 | (mdss_get_sd_client_cnt() && !sd_enabled) || |
| 1140 | sd_pipes) |
| 1141 | && nonsd_pipes) |
| 1142 | return false; |
| 1143 | } else { |
| 1144 | if ((sd_pipes || mdss_get_sd_client_cnt()) && nonsd_pipes) |
| 1145 | return false; |
| 1146 | } |
| 1147 | return true; |
| 1148 | } |
| 1149 | |
| 1150 | /* |
| 1151 | * __validate_secure_display() - validate secure display |
| 1152 | * |
| 1153 | * This function travers through used pipe list and checks if any pipe |
| 1154 | * is with secure display enabled flag. It fails if client tries to stage |
| 1155 | * unsecure content with secure display session. |
| 1156 | * |
| 1157 | */ |
| 1158 | static int __validate_secure_display(struct mdss_overlay_private *mdp5_data) |
| 1159 | { |
| 1160 | struct mdss_mdp_pipe *pipe, *tmp; |
| 1161 | uint32_t sd_pipes = 0, nonsd_pipes = 0; |
| 1162 | int panel_type = mdp5_data->ctl->panel_data->panel_info.type; |
| 1163 | int ret = 0; |
| 1164 | |
| 1165 | mutex_lock(&mdp5_data->list_lock); |
| 1166 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
| 1167 | if (pipe->flags & MDP_SECURE_DISPLAY_OVERLAY_SESSION) |
| 1168 | sd_pipes++; |
| 1169 | else |
| 1170 | nonsd_pipes++; |
| 1171 | } |
| 1172 | mutex_unlock(&mdp5_data->list_lock); |
| 1173 | |
| 1174 | pr_debug("pipe count:: secure display:%d non-secure:%d\n", |
| 1175 | sd_pipes, nonsd_pipes); |
| 1176 | |
| 1177 | mdp5_data->sd_transition_state = SD_TRANSITION_NONE; |
| 1178 | if (!__is_sd_state_valid(sd_pipes, nonsd_pipes, panel_type, |
| 1179 | mdp5_data->sd_enabled)) { |
| 1180 | pr_err("non-secure layer validation request during secure display session\n"); |
| 1181 | pr_err(" secure client cnt:%d secure pipe cnt:%d non-secure pipe cnt:%d\n", |
| 1182 | mdss_get_sd_client_cnt(), sd_pipes, nonsd_pipes); |
| 1183 | ret = -EINVAL; |
| 1184 | } else if (!mdp5_data->sd_enabled && sd_pipes) { |
| 1185 | mdp5_data->sd_transition_state = |
| 1186 | SD_TRANSITION_NON_SECURE_TO_SECURE; |
| 1187 | } else if (mdp5_data->sd_enabled && !sd_pipes) { |
| 1188 | mdp5_data->sd_transition_state = |
| 1189 | SD_TRANSITION_SECURE_TO_NON_SECURE; |
| 1190 | } |
| 1191 | return ret; |
| 1192 | } |
| 1193 | |
| 1194 | /* |
| 1195 | * __handle_free_list() - updates free pipe list |
| 1196 | * |
| 1197 | * This function travers through used pipe list and checks if any pipe |
| 1198 | * is not staged in current validation cycle. It moves the pipe to cleanup |
| 1199 | * list if no layer is attached for that pipe. |
| 1200 | * |
| 1201 | * This should be called after validation is successful for current cycle. |
| 1202 | * Moving pipes before can affects staged pipe for previous cycle. |
| 1203 | */ |
| 1204 | static void __handle_free_list(struct mdss_overlay_private *mdp5_data, |
| 1205 | struct mdss_mdp_validate_info_t *validate_info_list, u32 layer_count) |
| 1206 | { |
| 1207 | int i; |
| 1208 | struct mdp_input_layer *layer; |
| 1209 | struct mdss_mdp_validate_info_t *vinfo; |
| 1210 | struct mdss_mdp_pipe *pipe, *tmp; |
| 1211 | |
| 1212 | mutex_lock(&mdp5_data->list_lock); |
| 1213 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
| 1214 | for (i = 0; i < layer_count; i++) { |
| 1215 | vinfo = &validate_info_list[i]; |
| 1216 | layer = vinfo->layer; |
| 1217 | |
| 1218 | if ((pipe->ndx == layer->pipe_ndx) && |
| 1219 | (pipe->multirect.num == vinfo->multirect.num)) |
| 1220 | break; |
| 1221 | } |
| 1222 | |
| 1223 | /* |
| 1224 | * if validate cycle is not attaching any layer for this |
| 1225 | * pipe then move it to cleanup list. It does overlay_unset |
| 1226 | * task. |
| 1227 | */ |
| 1228 | if (i == layer_count) |
| 1229 | list_move(&pipe->list, &mdp5_data->pipes_cleanup); |
| 1230 | } |
| 1231 | mutex_unlock(&mdp5_data->list_lock); |
| 1232 | } |
| 1233 | |
| 1234 | static bool __multirect_validate_flip(struct mdp_input_layer **layers, |
| 1235 | size_t count) |
| 1236 | { |
| 1237 | /* not supporting more than 2 layers */ |
| 1238 | if (count != 2) |
| 1239 | return false; |
| 1240 | |
| 1241 | /* flip related validation */ |
| 1242 | if ((layers[0]->flags & MDP_LAYER_FLIP_LR) || |
| 1243 | (layers[1]->flags & MDP_LAYER_FLIP_LR)) { |
| 1244 | pr_err("multirect and HFLIP is not allowed. input layer flags=0x%x paired layer flags=0x%x\n", |
| 1245 | layers[0]->flags, layers[1]->flags); |
| 1246 | return false; |
| 1247 | } |
| 1248 | if ((layers[0]->flags & MDP_LAYER_FLIP_UD) != |
| 1249 | (layers[1]->flags & MDP_LAYER_FLIP_UD)) { |
| 1250 | pr_err("multirect VLFIP mismatch is not allowed\n"); |
| 1251 | return false; |
| 1252 | } |
| 1253 | |
| 1254 | return true; |
| 1255 | } |
| 1256 | |
| 1257 | static bool __multirect_validate_format(struct mdp_input_layer **layers, |
| 1258 | size_t count) |
| 1259 | { |
| 1260 | struct mdss_mdp_format_params *rec0_fmt, *rec1_fmt; |
| 1261 | bool is_ubwc; |
| 1262 | |
| 1263 | /* not supporting more than 2 layers */ |
| 1264 | if (count != 2) |
| 1265 | return false; |
| 1266 | |
| 1267 | /* format related validation */ |
| 1268 | rec0_fmt = mdss_mdp_get_format_params(layers[0]->buffer.format); |
| 1269 | if (!rec0_fmt) { |
| 1270 | pr_err("invalid input layer format %d\n", |
| 1271 | layers[0]->buffer.format); |
| 1272 | return false; |
| 1273 | } |
| 1274 | rec1_fmt = mdss_mdp_get_format_params(layers[1]->buffer.format); |
| 1275 | if (!rec1_fmt) { |
| 1276 | pr_err("invalid paired layer format %d\n", |
| 1277 | layers[1]->buffer.format); |
| 1278 | return false; |
| 1279 | } |
| 1280 | if (rec0_fmt->is_yuv || rec1_fmt->is_yuv) { |
| 1281 | pr_err("multirect on YUV format is not supported. input=%d paired=%d\n", |
| 1282 | rec0_fmt->is_yuv, rec1_fmt->is_yuv); |
| 1283 | return false; |
| 1284 | } |
| 1285 | if (rec0_fmt->fetch_mode != rec1_fmt->fetch_mode) { |
| 1286 | pr_err("multirect fetch_mode mismatch is not allowed. input=%d paired=%d\n", |
| 1287 | rec0_fmt->fetch_mode, rec1_fmt->fetch_mode); |
| 1288 | return false; |
| 1289 | } |
| 1290 | is_ubwc = mdss_mdp_is_ubwc_format(rec0_fmt); |
| 1291 | if (is_ubwc && (rec0_fmt != rec1_fmt)) { |
| 1292 | pr_err("multirect UBWC format mismatch is not allowed\n"); |
| 1293 | return false; |
| 1294 | } else if (rec0_fmt->bpp != rec1_fmt->bpp) { |
| 1295 | pr_err("multirect linear format bpp mismatch is not allowed. input=%d paired=%d\n", |
| 1296 | rec0_fmt->bpp, rec1_fmt->bpp); |
| 1297 | return false; |
| 1298 | } else if (rec0_fmt->unpack_dx_format != rec1_fmt->unpack_dx_format) { |
| 1299 | pr_err("multirect linear format 10bit vs 8bit mismatch is not allowed. input=%d paired=%d\n", |
| 1300 | rec0_fmt->unpack_dx_format, rec1_fmt->unpack_dx_format); |
| 1301 | return false; |
| 1302 | } |
| 1303 | |
| 1304 | if ((layers[0]->flags & MDP_LAYER_SOLID_FILL) != |
| 1305 | (layers[1]->flags & MDP_LAYER_SOLID_FILL)) { |
| 1306 | pr_err("solid fill mismatch between multirect layers\n"); |
| 1307 | return false; |
| 1308 | } |
| 1309 | |
| 1310 | return true; |
| 1311 | } |
| 1312 | |
| 1313 | static bool __multirect_validate_rects(struct mdp_input_layer **layers, |
| 1314 | size_t count) |
| 1315 | { |
| 1316 | struct mdss_rect dst[MDSS_MDP_PIPE_MAX_RECTS]; |
| 1317 | int i; |
| 1318 | |
| 1319 | /* not supporting more than 2 layers */ |
| 1320 | if (count != 2) |
| 1321 | return false; |
| 1322 | |
| 1323 | for (i = 0; i < count; i++) { |
| 1324 | if ((layers[i]->src_rect.w != layers[i]->dst_rect.w) || |
| 1325 | (layers[i]->src_rect.h != layers[i]->dst_rect.h)) { |
| 1326 | pr_err("multirect layers cannot have scaling: src: %dx%d dst: %dx%d\n", |
| 1327 | layers[i]->src_rect.w, layers[i]->src_rect.h, |
| 1328 | layers[i]->dst_rect.w, layers[i]->dst_rect.h); |
| 1329 | return false; |
| 1330 | } |
| 1331 | |
| 1332 | dst[i] = (struct mdss_rect) {layers[i]->dst_rect.x, |
| 1333 | layers[i]->dst_rect.y, |
| 1334 | layers[i]->dst_rect.w, |
| 1335 | layers[i]->dst_rect.h}; |
| 1336 | } |
| 1337 | |
| 1338 | /* resolution related validation */ |
| 1339 | if (mdss_rect_overlap_check(&dst[0], &dst[1])) { |
| 1340 | pr_err("multirect dst overlap is not allowed. input: %d,%d,%d,%d paired %d,%d,%d,%d\n", |
| 1341 | dst[0].x, dst[0].y, dst[0].w, dst[0].y, |
| 1342 | dst[1].x, dst[1].y, dst[1].w, dst[1].y); |
| 1343 | return false; |
| 1344 | } |
| 1345 | |
| 1346 | return true; |
| 1347 | } |
| 1348 | |
| 1349 | static bool __multirect_validate_properties(struct mdp_input_layer **layers, |
| 1350 | size_t count) |
| 1351 | { |
| 1352 | /* not supporting more than 2 layers */ |
| 1353 | if (count != 2) |
| 1354 | return false; |
| 1355 | |
| 1356 | if ((layers[0]->flags & MDP_LAYER_ASYNC) || |
| 1357 | (layers[1]->flags & MDP_LAYER_ASYNC)) { |
| 1358 | pr_err("ASYNC update is not allowed with multirect\n"); |
| 1359 | return false; |
| 1360 | } |
| 1361 | |
| 1362 | if (layers[0]->z_order == layers[1]->z_order) { |
| 1363 | pr_err("multirect layers cannot have same z_order=%d\n", |
| 1364 | layers[0]->z_order); |
| 1365 | return false; |
| 1366 | } |
| 1367 | |
| 1368 | return true; |
| 1369 | } |
| 1370 | |
| 1371 | static bool (*__multirect_validators[])(struct mdp_input_layer **layers, |
| 1372 | size_t count) = { |
| 1373 | __multirect_validate_flip, |
| 1374 | __multirect_validate_format, |
| 1375 | __multirect_validate_rects, |
| 1376 | __multirect_validate_properties, |
| 1377 | }; |
| 1378 | |
| 1379 | static inline int __multirect_layer_flags_to_mode(u32 flags) |
| 1380 | { |
| 1381 | int mode; |
| 1382 | |
| 1383 | if (flags & MDP_LAYER_MULTIRECT_ENABLE) { |
| 1384 | if (flags & MDP_LAYER_MULTIRECT_PARALLEL_MODE) |
| 1385 | mode = MDSS_MDP_PIPE_MULTIRECT_PARALLEL; |
| 1386 | else |
| 1387 | mode = MDSS_MDP_PIPE_MULTIRECT_SERIAL; |
| 1388 | } else { |
| 1389 | if (flags & MDP_LAYER_MULTIRECT_PARALLEL_MODE) { |
| 1390 | pr_err("Invalid parallel mode flag set without multirect enabled\n"); |
| 1391 | return -EINVAL; |
| 1392 | } |
| 1393 | |
| 1394 | mode = MDSS_MDP_PIPE_MULTIRECT_NONE; |
| 1395 | } |
| 1396 | return mode; |
| 1397 | } |
| 1398 | |
| 1399 | static int __multirect_validate_mode(struct msm_fb_data_type *mfd, |
| 1400 | struct mdp_input_layer **layers, |
| 1401 | size_t count) |
| 1402 | { |
| 1403 | struct mdss_data_type *mdata = mfd_to_mdata(mfd); |
| 1404 | struct mdss_mdp_format_params *rec0_fmt; |
| 1405 | bool is_ubwc; |
| 1406 | int i, mode; |
| 1407 | struct mdp_rect *dst[MDSS_MDP_PIPE_MAX_RECTS]; |
| 1408 | |
| 1409 | /* not supporting more than 2 layers */ |
| 1410 | if (count != 2) |
| 1411 | return false; |
| 1412 | |
| 1413 | for (i = 0; i < count; i++) |
| 1414 | dst[i] = &layers[i]->dst_rect; |
| 1415 | |
| 1416 | mode = __multirect_layer_flags_to_mode(layers[0]->flags); |
| 1417 | |
| 1418 | /* format related validation */ |
| 1419 | rec0_fmt = mdss_mdp_get_format_params(layers[0]->buffer.format); |
| 1420 | if (!rec0_fmt) { |
| 1421 | pr_err("invalid input layer format %d\n", |
| 1422 | layers[0]->buffer.format); |
| 1423 | return false; |
| 1424 | } |
| 1425 | |
| 1426 | is_ubwc = mdss_mdp_is_ubwc_format(rec0_fmt); |
| 1427 | |
| 1428 | if (mode == MDSS_MDP_PIPE_MULTIRECT_SERIAL) { |
| 1429 | int threshold, yoffset; |
| 1430 | |
| 1431 | if (dst[0]->y < dst[1]->y) |
| 1432 | yoffset = dst[1]->y - (dst[0]->y + dst[0]->h); |
| 1433 | else if (dst[1]->y < dst[0]->y) |
| 1434 | yoffset = dst[0]->y - (dst[1]->y + dst[1]->h); |
| 1435 | else |
| 1436 | yoffset = 0; |
| 1437 | |
| 1438 | /* |
| 1439 | * time multiplexed is possible only if the y position of layers |
| 1440 | * is not overlapping and there is sufficient time to buffer |
| 1441 | * 2 lines/tiles. Otherwise use parallel fetch mode |
| 1442 | */ |
| 1443 | threshold = 2; |
| 1444 | if (is_ubwc) { |
| 1445 | struct mdss_mdp_format_params_ubwc *uf; |
| 1446 | |
| 1447 | /* in ubwc all layers would need to be same format */ |
| 1448 | uf = (struct mdss_mdp_format_params_ubwc *)rec0_fmt; |
| 1449 | threshold *= uf->micro.tile_height; |
| 1450 | } |
| 1451 | |
| 1452 | if (yoffset < threshold) { |
| 1453 | pr_err("Unable to operate in serial fetch mode with yoffset=%d dst[0]=%d,%d dst[1]=%d,%d\n", |
| 1454 | yoffset, dst[0]->y, dst[0]->h, |
| 1455 | dst[1]->y, dst[1]->h); |
| 1456 | return -EINVAL; |
| 1457 | } |
| 1458 | } else if (mode == MDSS_MDP_PIPE_MULTIRECT_PARALLEL) { |
| 1459 | u32 left_lm_w, rec0_mixer, rec1_mixer; |
| 1460 | |
| 1461 | /* |
| 1462 | * For UBWC, 5 lines worth of buffering is needed in to meet |
| 1463 | * the performance which requires 2560w*4bpp*5lines = 50KB, |
| 1464 | * where 2560 is max width. Now let's say pixel ram is fixed to |
| 1465 | * 50KB then in UBWC parellel fetch, maximum width of each |
| 1466 | * rectangle would be 2560/2 = 1280. |
| 1467 | * |
| 1468 | * For Linear, this restriction is avoided because maximum |
| 1469 | * buffering of 2 lines is enough which yields to |
| 1470 | * 2560w*4bpp*2lines=20KB. Based on this, we can have 2 max |
| 1471 | * width rectangles in parrellel fetch mode. |
| 1472 | */ |
| 1473 | if (is_ubwc && |
| 1474 | ((dst[0]->w > (mdata->max_mixer_width / 2)) || |
| 1475 | (dst[1]->w > (mdata->max_mixer_width / 2)))) { |
| 1476 | pr_err("in UBWC multirect parallel mode, max dst_w cannot be greater than %d. rec0_w=%d rec1_w=%d\n", |
| 1477 | mdata->max_mixer_width / 2, |
| 1478 | dst[0]->w, dst[1]->w); |
| 1479 | return -EINVAL; |
| 1480 | } |
| 1481 | |
| 1482 | left_lm_w = left_lm_w_from_mfd(mfd); |
| 1483 | if (dst[0]->x < left_lm_w) { |
| 1484 | if (dst[0]->w > (left_lm_w - dst[0]->x)) { |
| 1485 | pr_err("multirect parallel mode, rec0 dst (%d,%d) cannot cross lm boundary (%d)\n", |
| 1486 | dst[0]->x, dst[0]->w, left_lm_w); |
| 1487 | return -EINVAL; |
| 1488 | } |
| 1489 | rec0_mixer = MDSS_MDP_MIXER_MUX_LEFT; |
| 1490 | } else { |
| 1491 | rec0_mixer = MDSS_MDP_MIXER_MUX_RIGHT; |
| 1492 | } |
| 1493 | |
| 1494 | if (dst[1]->x < left_lm_w) { |
| 1495 | if (dst[0]->w > (left_lm_w - dst[0]->x)) { |
| 1496 | pr_err("multirect parallel mode, rec1 dst (%d,%d) cannot cross lm boundary (%d)\n", |
| 1497 | dst[1]->x, dst[1]->w, left_lm_w); |
| 1498 | return -EINVAL; |
| 1499 | } |
| 1500 | rec1_mixer = MDSS_MDP_MIXER_MUX_LEFT; |
| 1501 | } else { |
| 1502 | rec1_mixer = MDSS_MDP_MIXER_MUX_RIGHT; |
| 1503 | } |
| 1504 | |
| 1505 | if (rec0_mixer != rec1_mixer) { |
| 1506 | pr_err("multirect parallel mode mixer mismatch. rec0_mix=%d rec1_mix=%d\n", |
| 1507 | rec0_mixer, rec1_mixer); |
| 1508 | return -EINVAL; |
| 1509 | } |
| 1510 | } else { |
| 1511 | pr_err("Invalid multirect mode %d\n", mode); |
| 1512 | } |
| 1513 | |
| 1514 | pr_debug("layer->pndx:%d mode=%d\n", layers[0]->pipe_ndx, mode); |
| 1515 | |
| 1516 | return 0; |
| 1517 | } |
| 1518 | |
| 1519 | static int __update_multirect_info(struct msm_fb_data_type *mfd, |
| 1520 | struct mdss_mdp_validate_info_t *validate_info_list, |
| 1521 | struct mdp_input_layer *layer_list, int ndx, int layer_cnt) |
| 1522 | { |
| 1523 | struct mdss_data_type *mdata = mdss_mdp_get_mdata(); |
| 1524 | struct mdss_mdp_validate_info_t *vinfo[MDSS_MDP_PIPE_MAX_RECTS]; |
| 1525 | int i, ptype, max_rects, mode; |
| 1526 | int cnt = 1; |
| 1527 | |
| 1528 | mode = __multirect_layer_flags_to_mode(layer_list[ndx].flags); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1529 | if (IS_ERR_VALUE((unsigned long)mode)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1530 | return mode; |
| 1531 | |
| 1532 | pr_debug("layer #%d pipe_ndx=%d multirect mode=%d\n", |
| 1533 | ndx, layer_list[ndx].pipe_ndx, mode); |
| 1534 | |
| 1535 | vinfo[0] = &validate_info_list[ndx]; |
| 1536 | vinfo[0]->layer = &layer_list[ndx]; |
| 1537 | vinfo[0]->multirect.mode = mode; |
| 1538 | vinfo[0]->multirect.num = MDSS_MDP_PIPE_RECT0; |
| 1539 | vinfo[0]->multirect.next = NULL; |
| 1540 | |
| 1541 | /* nothing to be done if multirect is disabled */ |
| 1542 | if (mode == MDSS_MDP_PIPE_MULTIRECT_NONE) |
| 1543 | return cnt; |
| 1544 | |
| 1545 | ptype = get_pipe_type_from_ndx(layer_list[ndx].pipe_ndx); |
| 1546 | if (ptype == MDSS_MDP_PIPE_TYPE_INVALID) { |
| 1547 | pr_err("invalid pipe ndx %d\n", layer_list[ndx].pipe_ndx); |
| 1548 | return -EINVAL; |
| 1549 | } |
| 1550 | |
| 1551 | max_rects = mdata->rects_per_sspp[ptype] ? : 1; |
| 1552 | |
| 1553 | for (i = ndx + 1; i < layer_cnt; i++) { |
| 1554 | if (layer_list[ndx].pipe_ndx == layer_list[i].pipe_ndx) { |
| 1555 | if (cnt >= max_rects) { |
| 1556 | pr_err("more than %d layers of type %d with same pipe_ndx=%d indexes=%d %d\n", |
| 1557 | max_rects, ptype, |
| 1558 | layer_list[ndx].pipe_ndx, ndx, i); |
| 1559 | return -EINVAL; |
| 1560 | } |
| 1561 | |
| 1562 | mode = __multirect_layer_flags_to_mode( |
| 1563 | layer_list[i].flags); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1564 | if (IS_ERR_VALUE((unsigned long)mode)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1565 | return mode; |
| 1566 | |
| 1567 | if (mode != vinfo[0]->multirect.mode) { |
| 1568 | pr_err("unable to set different multirect modes for pipe_ndx=%d (%d %d)\n", |
| 1569 | layer_list[ndx].pipe_ndx, ndx, i); |
| 1570 | return -EINVAL; |
| 1571 | } |
| 1572 | |
| 1573 | pr_debug("found matching pair for pipe_ndx=%d (%d %d)\n", |
| 1574 | layer_list[i].pipe_ndx, ndx, i); |
| 1575 | |
| 1576 | vinfo[cnt] = &validate_info_list[i]; |
| 1577 | vinfo[cnt]->multirect.num = cnt; |
| 1578 | vinfo[cnt]->multirect.next = vinfo[0]->layer; |
| 1579 | vinfo[cnt]->multirect.mode = mode; |
| 1580 | vinfo[cnt]->layer = &layer_list[i]; |
| 1581 | |
| 1582 | vinfo[cnt - 1]->multirect.next = vinfo[cnt]->layer; |
| 1583 | cnt++; |
| 1584 | } |
| 1585 | } |
| 1586 | |
| 1587 | if (cnt == 1) { |
| 1588 | pr_err("multirect mode enabled but unable to find extra rects for pipe_ndx=%x\n", |
| 1589 | layer_list[ndx].pipe_ndx); |
| 1590 | return -EINVAL; |
| 1591 | } |
| 1592 | |
| 1593 | return cnt; |
| 1594 | } |
| 1595 | |
| 1596 | static int __validate_multirect(struct msm_fb_data_type *mfd, |
| 1597 | struct mdss_mdp_validate_info_t *validate_info_list, |
| 1598 | struct mdp_input_layer *layer_list, int ndx, int layer_cnt) |
| 1599 | { |
| 1600 | struct mdp_input_layer *layers[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1601 | int i, cnt, rc; |
| 1602 | |
| 1603 | cnt = __update_multirect_info(mfd, validate_info_list, |
| 1604 | layer_list, ndx, layer_cnt); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1605 | if (IS_ERR_VALUE((unsigned long)cnt)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1606 | return cnt; |
| 1607 | |
| 1608 | if (cnt <= 1) { |
| 1609 | /* nothing to validate in single rect mode */ |
| 1610 | return 0; |
| 1611 | } else if (cnt > 2) { |
| 1612 | pr_err("unsupported multirect configuration, multirect cnt=%d\n", |
| 1613 | cnt); |
| 1614 | return -EINVAL; |
| 1615 | } |
| 1616 | |
| 1617 | layers[0] = validate_info_list[ndx].layer; |
| 1618 | layers[1] = validate_info_list[ndx].multirect.next; |
| 1619 | |
| 1620 | for (i = 0; i < ARRAY_SIZE(__multirect_validators); i++) { |
| 1621 | if (!__multirect_validators[i](layers, cnt)) |
| 1622 | return -EINVAL; |
| 1623 | } |
| 1624 | |
| 1625 | rc = __multirect_validate_mode(mfd, layers, cnt); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1626 | if (IS_ERR_VALUE((unsigned long)rc)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1627 | return rc; |
| 1628 | |
| 1629 | return 0; |
| 1630 | } |
| 1631 | |
| 1632 | /* |
| 1633 | * __validate_layers() - validate input layers |
| 1634 | * @mfd: Framebuffer data structure for display |
| 1635 | * @commit: Commit version-1 structure for display |
| 1636 | * |
| 1637 | * This function validates all input layers present in layer_list. In case |
| 1638 | * of failure, it updates the "error_code" for failed layer. It is possible |
| 1639 | * to find failed layer from layer_list based on "error_code". |
| 1640 | */ |
| 1641 | static int __validate_layers(struct msm_fb_data_type *mfd, |
| 1642 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 1643 | { |
| 1644 | int ret, i = 0; |
| 1645 | int rec_ndx[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1646 | int rec_release_ndx[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1647 | int rec_destroy_ndx[MDSS_MDP_PIPE_MAX_RECTS] = { 0 }; |
| 1648 | u32 left_lm_layers = 0, right_lm_layers = 0; |
| 1649 | u32 left_cnt = 0, right_cnt = 0; |
| 1650 | u32 left_lm_w = left_lm_w_from_mfd(mfd); |
| 1651 | u32 mixer_mux, dst_x; |
| 1652 | int layer_count = commit->input_layer_cnt; |
| 1653 | |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1654 | struct mdss_mdp_pipe *pipe = NULL, *tmp, *left_blend_pipe; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1655 | struct mdss_mdp_pipe *right_plist[MAX_PIPES_PER_LM] = {0}; |
| 1656 | struct mdss_mdp_pipe *left_plist[MAX_PIPES_PER_LM] = {0}; |
| 1657 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 1658 | |
| 1659 | struct mdss_mdp_mixer *mixer = NULL; |
| 1660 | struct mdp_input_layer *layer, *prev_layer, *layer_list; |
| 1661 | struct mdss_mdp_validate_info_t *validate_info_list = NULL; |
| 1662 | bool is_single_layer = false, force_validate; |
| 1663 | enum layer_pipe_q pipe_q_type; |
| 1664 | enum layer_zorder_used zorder_used[MDSS_MDP_MAX_STAGE] = {0}; |
| 1665 | enum mdss_mdp_pipe_rect rect_num; |
| 1666 | |
| 1667 | ret = mutex_lock_interruptible(&mdp5_data->ov_lock); |
| 1668 | if (ret) |
| 1669 | return ret; |
| 1670 | |
| 1671 | if (!layer_count) |
| 1672 | goto validate_skip; |
| 1673 | |
| 1674 | layer_list = commit->input_layers; |
| 1675 | |
| 1676 | validate_info_list = kcalloc(layer_count, sizeof(*validate_info_list), |
| 1677 | GFP_KERNEL); |
| 1678 | if (!validate_info_list) { |
| 1679 | ret = -ENOMEM; |
| 1680 | goto end; |
| 1681 | } |
| 1682 | |
| 1683 | for (i = 0; i < layer_count; i++) { |
| 1684 | if (layer_list[i].dst_rect.x >= left_lm_w) |
| 1685 | right_lm_layers++; |
| 1686 | else |
| 1687 | left_lm_layers++; |
| 1688 | |
| 1689 | if (right_lm_layers >= MAX_PIPES_PER_LM || |
| 1690 | left_lm_layers >= MAX_PIPES_PER_LM) { |
| 1691 | pr_err("too many pipes stagged mixer left: %d mixer right:%d\n", |
| 1692 | left_lm_layers, right_lm_layers); |
| 1693 | ret = -EINVAL; |
| 1694 | goto end; |
| 1695 | } |
| 1696 | |
| 1697 | if (!validate_info_list[i].layer) { |
| 1698 | ret = __validate_multirect(mfd, validate_info_list, |
| 1699 | layer_list, i, layer_count); |
| 1700 | if (ret) { |
| 1701 | pr_err("error validating multirect config. ret=%d i=%d\n", |
| 1702 | ret, i); |
| 1703 | goto end; |
| 1704 | } |
| 1705 | } |
| 1706 | |
| 1707 | rect_num = validate_info_list[i].multirect.num; |
| 1708 | WARN_ON(rect_num >= MDSS_MDP_PIPE_MAX_RECTS); |
| 1709 | |
| 1710 | if (rec_ndx[rect_num] & layer_list[i].pipe_ndx) { |
| 1711 | pr_err("duplicate layer found pipe_ndx=%d rect=%d (0x%x)\n", |
| 1712 | layer_list[i].pipe_ndx, rect_num, |
| 1713 | rec_ndx[rect_num]); |
| 1714 | ret = -EINVAL; |
| 1715 | goto end; |
| 1716 | } |
| 1717 | |
| 1718 | rec_ndx[rect_num] |= layer_list[i].pipe_ndx; |
| 1719 | } |
| 1720 | |
| 1721 | /* |
| 1722 | * Force all layers to go through full validation after |
| 1723 | * dynamic resolution switch, immaterial of the configs in |
| 1724 | * the layer. |
| 1725 | */ |
| 1726 | mutex_lock(&mfd->switch_lock); |
| 1727 | force_validate = (mfd->switch_state != MDSS_MDP_NO_UPDATE_REQUESTED); |
| 1728 | mutex_unlock(&mfd->switch_lock); |
| 1729 | |
| 1730 | for (i = 0; i < layer_count; i++) { |
| 1731 | enum layer_zorder_used z = LAYER_ZORDER_NONE; |
| 1732 | |
| 1733 | layer = &layer_list[i]; |
| 1734 | dst_x = layer->dst_rect.x; |
| 1735 | left_blend_pipe = NULL; |
| 1736 | |
| 1737 | prev_layer = (i > 0) ? &layer_list[i - 1] : NULL; |
| 1738 | /* |
| 1739 | * check if current layer is at same z_order as |
| 1740 | * previous one, and fail if any or both are async layers, |
| 1741 | * as async layers should have unique z_order. |
| 1742 | * |
| 1743 | * If it has same z_order and qualifies as a right blend, |
| 1744 | * pass a pointer to the pipe representing previous overlay or |
| 1745 | * in other terms left blend layer. |
| 1746 | * |
| 1747 | * Following logic of selecting left_blend has an inherent |
| 1748 | * assumption that layer list is sorted on dst_x within a |
| 1749 | * same z_order. Otherwise it will fail based on z_order checks. |
| 1750 | */ |
| 1751 | if (prev_layer && (prev_layer->z_order == layer->z_order)) { |
| 1752 | struct mdp_rect *left = &prev_layer->dst_rect; |
| 1753 | struct mdp_rect *right = &layer->dst_rect; |
| 1754 | |
| 1755 | if ((layer->flags & MDP_LAYER_ASYNC) |
| 1756 | || (prev_layer->flags & MDP_LAYER_ASYNC)) { |
| 1757 | ret = -EINVAL; |
| 1758 | layer->error_code = ret; |
| 1759 | pr_err("async layer should have unique z_order\n"); |
| 1760 | goto validate_exit; |
| 1761 | } |
| 1762 | |
| 1763 | /* |
| 1764 | * check if layer is right blend by checking it's |
| 1765 | * directly to the right. |
| 1766 | */ |
| 1767 | if (((left->x + left->w) == right->x) && |
| 1768 | (left->y == right->y) && (left->h == right->h)) |
| 1769 | left_blend_pipe = pipe; |
| 1770 | |
| 1771 | /* |
| 1772 | * if the layer is right at the left lm boundary and |
| 1773 | * src split is not required then right blend is not |
| 1774 | * required as it will lie only on the left mixer |
| 1775 | */ |
| 1776 | if (!__layer_needs_src_split(prev_layer) && |
| 1777 | ((left->x + left->w) == left_lm_w)) |
| 1778 | left_blend_pipe = NULL; |
| 1779 | } |
| 1780 | |
| 1781 | if (!is_split_lm(mfd) || __layer_needs_src_split(layer)) |
| 1782 | z = LAYER_ZORDER_BOTH; |
| 1783 | else if (dst_x >= left_lm_w) |
| 1784 | z = LAYER_ZORDER_RIGHT; |
| 1785 | else if ((dst_x + layer->dst_rect.w) <= left_lm_w) |
| 1786 | z = LAYER_ZORDER_LEFT; |
| 1787 | else |
| 1788 | z = LAYER_ZORDER_BOTH; |
| 1789 | |
| 1790 | if (!left_blend_pipe && (layer->z_order >= MDSS_MDP_MAX_STAGE || |
| 1791 | (z & zorder_used[layer->z_order]))) { |
| 1792 | pr_err("invalid z_order=%d or already in use %x\n", |
| 1793 | layer->z_order, z); |
| 1794 | ret = -EINVAL; |
| 1795 | layer->error_code = ret; |
| 1796 | goto validate_exit; |
| 1797 | } else { |
| 1798 | zorder_used[layer->z_order] |= z; |
| 1799 | } |
| 1800 | |
| 1801 | if ((layer->dst_rect.x < left_lm_w) || |
| 1802 | __layer_needs_src_split(layer)) { |
| 1803 | is_single_layer = (left_lm_layers == 1); |
| 1804 | mixer_mux = MDSS_MDP_MIXER_MUX_LEFT; |
| 1805 | } else { |
| 1806 | is_single_layer = (right_lm_layers == 1); |
| 1807 | mixer_mux = MDSS_MDP_MIXER_MUX_RIGHT; |
| 1808 | } |
| 1809 | |
| 1810 | /** |
| 1811 | * search pipe in current used list to find if parameters |
| 1812 | * are same. validation can be skipped if only buffer handle |
| 1813 | * is changed. |
| 1814 | */ |
| 1815 | pipe = (force_validate) ? NULL : |
| 1816 | __find_layer_in_validate_q( |
| 1817 | &validate_info_list[i], mdp5_data); |
| 1818 | if (pipe) { |
| 1819 | if (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) |
| 1820 | right_plist[right_cnt++] = pipe; |
| 1821 | else |
| 1822 | left_plist[left_cnt++] = pipe; |
| 1823 | |
| 1824 | if (layer->flags & MDP_LAYER_PP) { |
| 1825 | memcpy(&pipe->pp_cfg, layer->pp_info, |
| 1826 | sizeof(struct mdp_overlay_pp_params)); |
| 1827 | ret = mdss_mdp_pp_sspp_config(pipe); |
| 1828 | if (ret) |
| 1829 | pr_err("pp setup failed %d\n", ret); |
| 1830 | else |
| 1831 | pipe->params_changed++; |
| 1832 | } |
| 1833 | pipe->dirty = false; |
| 1834 | continue; |
| 1835 | } |
| 1836 | |
| 1837 | mixer = mdss_mdp_mixer_get(mdp5_data->ctl, mixer_mux); |
| 1838 | if (!mixer) { |
| 1839 | pr_err("unable to get %s mixer\n", |
| 1840 | (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) ? |
| 1841 | "right" : "left"); |
| 1842 | ret = -EINVAL; |
| 1843 | layer->error_code = ret; |
| 1844 | goto validate_exit; |
| 1845 | } |
| 1846 | |
| 1847 | layer->z_order += MDSS_MDP_STAGE_0; |
| 1848 | ret = __validate_single_layer(mfd, &validate_info_list[i], |
| 1849 | mixer_mux); |
| 1850 | if (ret) { |
| 1851 | pr_err("layer:%d validation failed ret=%d\n", i, ret); |
| 1852 | layer->error_code = ret; |
| 1853 | goto validate_exit; |
| 1854 | } |
| 1855 | |
| 1856 | rect_num = validate_info_list[i].multirect.num; |
| 1857 | |
| 1858 | pipe = __assign_pipe_for_layer(mfd, mixer, layer->pipe_ndx, |
| 1859 | &pipe_q_type, rect_num); |
| 1860 | if (IS_ERR_OR_NULL(pipe)) { |
| 1861 | pr_err("error assigning pipe id=0x%x rc:%ld\n", |
| 1862 | layer->pipe_ndx, PTR_ERR(pipe)); |
| 1863 | ret = PTR_ERR(pipe); |
| 1864 | layer->error_code = ret; |
| 1865 | goto validate_exit; |
| 1866 | } |
| 1867 | |
| 1868 | if (pipe_q_type == LAYER_USES_NEW_PIPE_Q) |
| 1869 | rec_release_ndx[rect_num] |= pipe->ndx; |
| 1870 | if (pipe_q_type == LAYER_USES_DESTROY_PIPE_Q) |
| 1871 | rec_destroy_ndx[rect_num] |= pipe->ndx; |
| 1872 | |
| 1873 | ret = mdss_mdp_pipe_map(pipe); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1874 | if (IS_ERR_VALUE((unsigned long)ret)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1875 | pr_err("Unable to map used pipe%d ndx=%x\n", |
| 1876 | pipe->num, pipe->ndx); |
| 1877 | layer->error_code = ret; |
| 1878 | goto validate_exit; |
| 1879 | } |
| 1880 | |
| 1881 | if (pipe_q_type == LAYER_USES_USED_PIPE_Q) { |
| 1882 | /* |
| 1883 | * reconfig is allowed on new/destroy pipes. Only used |
| 1884 | * pipe needs this extra validation. |
| 1885 | */ |
| 1886 | ret = __validate_layer_reconfig(layer, pipe); |
| 1887 | if (ret) { |
| 1888 | pr_err("layer reconfig validation failed=%d\n", |
| 1889 | ret); |
| 1890 | mdss_mdp_pipe_unmap(pipe); |
| 1891 | layer->error_code = ret; |
| 1892 | goto validate_exit; |
| 1893 | } |
| 1894 | } |
| 1895 | |
| 1896 | ret = __configure_pipe_params(mfd, &validate_info_list[i], pipe, |
| 1897 | left_blend_pipe, is_single_layer, mixer_mux); |
| 1898 | if (ret) { |
| 1899 | pr_err("configure pipe param failed: pipe index= %d\n", |
| 1900 | pipe->ndx); |
| 1901 | mdss_mdp_pipe_unmap(pipe); |
| 1902 | layer->error_code = ret; |
| 1903 | goto validate_exit; |
| 1904 | } |
| 1905 | |
| 1906 | mdss_mdp_pipe_unmap(pipe); |
| 1907 | |
| 1908 | /* keep the original copy of dst_x */ |
| 1909 | pipe->layer.dst_rect.x = layer->dst_rect.x = dst_x; |
| 1910 | |
| 1911 | if (mixer_mux == MDSS_MDP_MIXER_MUX_RIGHT) |
| 1912 | right_plist[right_cnt++] = pipe; |
| 1913 | else |
| 1914 | left_plist[left_cnt++] = pipe; |
| 1915 | |
| 1916 | pr_debug("id:0x%x flags:0x%x dst_x:%d\n", |
| 1917 | layer->pipe_ndx, layer->flags, layer->dst_rect.x); |
| 1918 | layer->z_order -= MDSS_MDP_STAGE_0; |
| 1919 | } |
| 1920 | |
| 1921 | ret = mdss_mdp_perf_bw_check(mdp5_data->ctl, left_plist, left_cnt, |
| 1922 | right_plist, right_cnt); |
| 1923 | if (ret) { |
| 1924 | pr_err("bw validation check failed: %d\n", ret); |
| 1925 | goto validate_exit; |
| 1926 | } |
| 1927 | |
| 1928 | validate_skip: |
| 1929 | __handle_free_list(mdp5_data, validate_info_list, layer_count); |
| 1930 | |
| 1931 | ret = __validate_secure_display(mdp5_data); |
| 1932 | |
| 1933 | validate_exit: |
| 1934 | 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", |
| 1935 | ret, layer_count, left_lm_layers, right_lm_layers, |
| 1936 | rec_release_ndx[0], rec_release_ndx[1], |
| 1937 | rec_destroy_ndx[0], rec_destroy_ndx[1], i); |
| 1938 | MDSS_XLOG(rec_ndx[0], rec_ndx[1], layer_count, |
| 1939 | left_lm_layers, right_lm_layers, |
| 1940 | rec_release_ndx[0], rec_release_ndx[1], |
| 1941 | rec_destroy_ndx[0], rec_destroy_ndx[1], ret); |
| 1942 | mutex_lock(&mdp5_data->list_lock); |
| 1943 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 1944 | if (IS_ERR_VALUE((unsigned long)ret)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1945 | if (((pipe->ndx & rec_release_ndx[0]) && |
| 1946 | (pipe->multirect.num == 0)) || |
| 1947 | ((pipe->ndx & rec_release_ndx[1]) && |
| 1948 | (pipe->multirect.num == 1))) { |
| 1949 | mdss_mdp_smp_unreserve(pipe); |
| 1950 | pipe->params_changed = 0; |
| 1951 | pipe->dirty = true; |
| 1952 | if (!list_empty(&pipe->list)) |
| 1953 | list_del_init(&pipe->list); |
| 1954 | mdss_mdp_pipe_destroy(pipe); |
| 1955 | } else if (((pipe->ndx & rec_destroy_ndx[0]) && |
| 1956 | (pipe->multirect.num == 0)) || |
| 1957 | ((pipe->ndx & rec_destroy_ndx[1]) && |
| 1958 | (pipe->multirect.num == 1))) { |
| 1959 | /* |
| 1960 | * cleanup/destroy list pipes should move back |
| 1961 | * to destroy list. Next/current kickoff cycle |
| 1962 | * will release the pipe because validate also |
| 1963 | * acquires ov_lock. |
| 1964 | */ |
| 1965 | list_move(&pipe->list, |
| 1966 | &mdp5_data->pipes_destroy); |
| 1967 | } |
| 1968 | } else { |
| 1969 | pipe->file = file; |
| 1970 | pr_debug("file pointer attached with pipe is %pK\n", |
| 1971 | file); |
| 1972 | } |
| 1973 | } |
| 1974 | mutex_unlock(&mdp5_data->list_lock); |
| 1975 | end: |
| 1976 | kfree(validate_info_list); |
| 1977 | mutex_unlock(&mdp5_data->ov_lock); |
| 1978 | |
| 1979 | pr_debug("fb%d validated layers =%d\n", mfd->index, i); |
| 1980 | |
| 1981 | return ret; |
| 1982 | } |
| 1983 | |
| 1984 | /* |
| 1985 | * __parse_frc_info() - parse frc info from userspace |
| 1986 | * @mdp5_data: mdss data per FB device |
| 1987 | * @input_frc: frc info from user space |
| 1988 | * |
| 1989 | * This function fills the FRC info of current device which will be used |
| 1990 | * during following kickoff. |
| 1991 | */ |
| 1992 | static void __parse_frc_info(struct mdss_overlay_private *mdp5_data, |
| 1993 | struct mdp_frc_info *input_frc) |
| 1994 | { |
| 1995 | struct mdss_mdp_ctl *ctl = mdp5_data->ctl; |
| 1996 | struct mdss_mdp_frc_fsm *frc_fsm = mdp5_data->frc_fsm; |
| 1997 | |
| 1998 | if (input_frc->flags & MDP_VIDEO_FRC_ENABLE) { |
| 1999 | struct mdss_mdp_frc_info *frc_info = &frc_fsm->frc_info; |
| 2000 | |
| 2001 | if (!frc_fsm->enable) { |
| 2002 | /* init frc_fsm when first entry */ |
| 2003 | mdss_mdp_frc_fsm_init_state(frc_fsm); |
| 2004 | /* keep vsync on when FRC is enabled */ |
| 2005 | ctl->ops.add_vsync_handler(ctl, |
| 2006 | &ctl->frc_vsync_handler); |
| 2007 | } |
| 2008 | |
| 2009 | frc_info->cur_frc.frame_cnt = input_frc->frame_cnt; |
| 2010 | frc_info->cur_frc.timestamp = input_frc->timestamp; |
| 2011 | } else if (frc_fsm->enable) { |
| 2012 | /* remove vsync handler when FRC is disabled */ |
| 2013 | ctl->ops.remove_vsync_handler(ctl, &ctl->frc_vsync_handler); |
| 2014 | } |
| 2015 | |
| 2016 | frc_fsm->enable = input_frc->flags & MDP_VIDEO_FRC_ENABLE; |
| 2017 | |
| 2018 | pr_debug("frc_enable=%d\n", frc_fsm->enable); |
| 2019 | } |
| 2020 | |
| 2021 | /* |
| 2022 | * mdss_mdp_layer_pre_commit() - pre commit validation for input layers |
| 2023 | * @mfd: Framebuffer data structure for display |
| 2024 | * @commit: Commit version-1 structure for display |
| 2025 | * |
| 2026 | * This function checks if layers present in commit request are already |
| 2027 | * validated or not. If there is mismatch in validate and commit layers |
| 2028 | * then it validate all input layers again. On successful validation, it |
| 2029 | * maps the input layer buffer and creates release/retire fences. |
| 2030 | * |
| 2031 | * This function is called from client context and can return the error. |
| 2032 | */ |
| 2033 | int mdss_mdp_layer_pre_commit(struct msm_fb_data_type *mfd, |
| 2034 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2035 | { |
| 2036 | int ret, i; |
| 2037 | int layer_count = commit->input_layer_cnt; |
| 2038 | bool validate_failed = false; |
| 2039 | |
| 2040 | struct mdss_mdp_pipe *pipe, *tmp; |
| 2041 | struct mdp_input_layer *layer_list; |
| 2042 | struct mdss_overlay_private *mdp5_data; |
| 2043 | struct mdss_mdp_data *src_data[MDSS_MDP_MAX_SSPP]; |
| 2044 | struct mdss_mdp_validate_info_t *validate_info_list; |
| 2045 | |
| 2046 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2047 | |
| 2048 | if (!mdp5_data || !mdp5_data->ctl) |
| 2049 | return -EINVAL; |
| 2050 | |
| 2051 | layer_list = commit->input_layers; |
| 2052 | |
| 2053 | /* handle null commit */ |
| 2054 | if (!layer_count) { |
| 2055 | __handle_free_list(mdp5_data, NULL, layer_count); |
| 2056 | /* Check for secure state transition. */ |
| 2057 | return __validate_secure_display(mdp5_data); |
| 2058 | } |
| 2059 | |
| 2060 | validate_info_list = kcalloc(layer_count, sizeof(*validate_info_list), |
| 2061 | GFP_KERNEL); |
| 2062 | if (!validate_info_list) |
| 2063 | return -ENOMEM; |
| 2064 | |
| 2065 | for (i = 0; i < layer_count; i++) { |
| 2066 | if (!validate_info_list[i].layer) { |
| 2067 | ret = __update_multirect_info(mfd, validate_info_list, |
| 2068 | layer_list, i, layer_count); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 2069 | if (IS_ERR_VALUE((unsigned long)ret)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2070 | pr_err("error updating multirect config. ret=%d i=%d\n", |
| 2071 | ret, i); |
| 2072 | goto end; |
| 2073 | } |
| 2074 | } |
| 2075 | } |
| 2076 | |
| 2077 | for (i = 0; i < layer_count; i++) { |
| 2078 | pipe = __find_layer_in_validate_q(&validate_info_list[i], |
| 2079 | mdp5_data); |
| 2080 | if (!pipe) { |
| 2081 | validate_failed = true; |
| 2082 | break; |
| 2083 | } |
| 2084 | } |
| 2085 | |
| 2086 | if (validate_failed) { |
| 2087 | ret = __validate_layers(mfd, file, commit); |
| 2088 | if (ret) { |
| 2089 | pr_err("__validate_layers failed. rc=%d\n", ret); |
| 2090 | goto end; |
| 2091 | } |
| 2092 | } else { |
| 2093 | /* |
| 2094 | * move unassigned pipes to cleanup list since commit |
| 2095 | * supports validate+commit operation. |
| 2096 | */ |
| 2097 | __handle_free_list(mdp5_data, validate_info_list, layer_count); |
| 2098 | } |
| 2099 | |
| 2100 | i = 0; |
| 2101 | |
| 2102 | mutex_lock(&mdp5_data->list_lock); |
| 2103 | list_for_each_entry_safe(pipe, tmp, &mdp5_data->pipes_used, list) { |
| 2104 | if (pipe->flags & MDP_SOLID_FILL) { |
| 2105 | src_data[i] = NULL; |
| 2106 | continue; |
| 2107 | } |
| 2108 | src_data[i] = __map_layer_buffer(mfd, pipe, validate_info_list, |
| 2109 | layer_count); |
| 2110 | if (IS_ERR_OR_NULL(src_data[i++])) { |
| 2111 | i--; |
| 2112 | mutex_unlock(&mdp5_data->list_lock); |
| 2113 | ret = PTR_ERR(src_data[i]); |
| 2114 | goto map_err; |
| 2115 | } |
| 2116 | } |
| 2117 | mutex_unlock(&mdp5_data->list_lock); |
| 2118 | |
| 2119 | ret = mdss_mdp_overlay_start(mfd); |
| 2120 | if (ret) { |
| 2121 | pr_err("unable to start overlay %d (%d)\n", mfd->index, ret); |
| 2122 | goto map_err; |
| 2123 | } |
| 2124 | |
| 2125 | if (commit->frc_info) |
| 2126 | __parse_frc_info(mdp5_data, commit->frc_info); |
| 2127 | |
| 2128 | ret = __handle_buffer_fences(mfd, commit, layer_list); |
| 2129 | |
| 2130 | map_err: |
| 2131 | if (ret) { |
| 2132 | mutex_lock(&mdp5_data->list_lock); |
| 2133 | for (i--; i >= 0; i--) |
| 2134 | if (src_data[i]) |
| 2135 | mdss_mdp_overlay_buf_free(mfd, src_data[i]); |
| 2136 | mutex_unlock(&mdp5_data->list_lock); |
| 2137 | } |
| 2138 | end: |
| 2139 | kfree(validate_info_list); |
| 2140 | |
| 2141 | return ret; |
| 2142 | } |
| 2143 | |
| 2144 | /* |
| 2145 | * mdss_mdp_layer_atomic_validate() - validate input layers |
| 2146 | * @mfd: Framebuffer data structure for display |
| 2147 | * @commit: Commit version-1 structure for display |
| 2148 | * |
| 2149 | * This function validates only input layers received from client. It |
| 2150 | * does perform any validation for mdp_output_layer defined for writeback |
| 2151 | * display. |
| 2152 | */ |
| 2153 | int mdss_mdp_layer_atomic_validate(struct msm_fb_data_type *mfd, |
| 2154 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2155 | { |
| 2156 | struct mdss_overlay_private *mdp5_data; |
| 2157 | |
| 2158 | if (!mfd || !commit) { |
| 2159 | pr_err("invalid input params\n"); |
| 2160 | return -EINVAL; |
| 2161 | } |
| 2162 | |
| 2163 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2164 | |
| 2165 | if (!mdp5_data || !mdp5_data->ctl) { |
| 2166 | pr_err("invalid input params\n"); |
| 2167 | return -ENODEV; |
| 2168 | } |
| 2169 | |
| 2170 | if (mdss_fb_is_power_off(mfd)) { |
| 2171 | pr_err("display interface is in off state fb:%d\n", |
| 2172 | mfd->index); |
| 2173 | return -EPERM; |
| 2174 | } |
| 2175 | |
| 2176 | return __validate_layers(mfd, file, commit); |
| 2177 | } |
| 2178 | |
| 2179 | int mdss_mdp_layer_pre_commit_wfd(struct msm_fb_data_type *mfd, |
| 2180 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2181 | { |
| 2182 | int rc, count; |
| 2183 | struct mdss_overlay_private *mdp5_data; |
| 2184 | struct mdss_mdp_wfd *wfd = NULL; |
| 2185 | struct mdp_output_layer *output_layer = NULL; |
| 2186 | struct mdss_mdp_wfd_data *data = NULL; |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 2187 | struct mdss_fence *fence = NULL; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2188 | struct msm_sync_pt_data *sync_pt_data = NULL; |
| 2189 | |
| 2190 | if (!mfd || !commit) |
| 2191 | return -EINVAL; |
| 2192 | |
| 2193 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2194 | |
| 2195 | if (!mdp5_data || !mdp5_data->ctl || !mdp5_data->wfd) { |
| 2196 | pr_err("invalid wfd state\n"); |
| 2197 | return -ENODEV; |
| 2198 | } |
| 2199 | |
| 2200 | if (commit->output_layer) { |
| 2201 | wfd = mdp5_data->wfd; |
| 2202 | output_layer = commit->output_layer; |
| 2203 | |
| 2204 | if (output_layer->buffer.plane_count > MAX_PLANES) { |
| 2205 | pr_err("Output buffer plane_count exceeds MAX_PLANES limit:%d\n", |
| 2206 | output_layer->buffer.plane_count); |
| 2207 | return -EINVAL; |
| 2208 | } |
| 2209 | |
| 2210 | data = mdss_mdp_wfd_add_data(wfd, output_layer); |
| 2211 | if (IS_ERR_OR_NULL(data)) |
| 2212 | return PTR_ERR(data); |
| 2213 | |
| 2214 | if (output_layer->buffer.fence >= 0) { |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 2215 | fence = mdss_get_fd_sync_fence( |
| 2216 | output_layer->buffer.fence); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2217 | if (!fence) { |
| 2218 | pr_err("fail to get output buffer fence\n"); |
| 2219 | rc = -EINVAL; |
| 2220 | goto fence_get_err; |
| 2221 | } |
| 2222 | } |
| 2223 | } else { |
| 2224 | wfd = mdp5_data->wfd; |
| 2225 | if (!wfd->ctl || !wfd->ctl->wb) { |
| 2226 | pr_err("wfd commit with null out layer and no validate\n"); |
| 2227 | return -EINVAL; |
| 2228 | } |
| 2229 | } |
| 2230 | |
| 2231 | rc = mdss_mdp_layer_pre_commit(mfd, file, commit); |
| 2232 | if (rc) { |
| 2233 | pr_err("fail to import input layer buffers. rc=%d\n", rc); |
| 2234 | goto input_layer_err; |
| 2235 | } |
| 2236 | |
| 2237 | if (fence) { |
| 2238 | sync_pt_data = &mfd->mdp_sync_pt_data; |
| 2239 | mutex_lock(&sync_pt_data->sync_mutex); |
| 2240 | count = sync_pt_data->acq_fen_cnt; |
| 2241 | |
| 2242 | if (count >= MDP_MAX_FENCE_FD) { |
| 2243 | pr_err("Reached maximum possible value for fence count\n"); |
| 2244 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 2245 | rc = -EINVAL; |
| 2246 | goto input_layer_err; |
| 2247 | } |
| 2248 | |
| 2249 | sync_pt_data->acq_fen[count] = fence; |
| 2250 | sync_pt_data->acq_fen_cnt++; |
| 2251 | mutex_unlock(&sync_pt_data->sync_mutex); |
| 2252 | } |
| 2253 | return rc; |
| 2254 | |
| 2255 | input_layer_err: |
| 2256 | if (fence) |
Sachin Bhayare | 2b6d004 | 2018-01-13 19:38:21 +0530 | [diff] [blame] | 2257 | mdss_put_sync_fence(fence); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2258 | fence_get_err: |
| 2259 | if (data) |
| 2260 | mdss_mdp_wfd_remove_data(wfd, data); |
| 2261 | return rc; |
| 2262 | } |
| 2263 | |
| 2264 | int mdss_mdp_layer_atomic_validate_wfd(struct msm_fb_data_type *mfd, |
| 2265 | struct file *file, struct mdp_layer_commit_v1 *commit) |
| 2266 | { |
| 2267 | int rc = 0; |
| 2268 | struct mdss_overlay_private *mdp5_data; |
| 2269 | struct mdss_mdp_wfd *wfd; |
| 2270 | struct mdp_output_layer *output_layer; |
| 2271 | |
| 2272 | if (!mfd || !commit) |
| 2273 | return -EINVAL; |
| 2274 | |
| 2275 | mdp5_data = mfd_to_mdp5_data(mfd); |
| 2276 | |
| 2277 | if (!mdp5_data || !mdp5_data->ctl || !mdp5_data->wfd) { |
| 2278 | pr_err("invalid wfd state\n"); |
| 2279 | return -ENODEV; |
| 2280 | } |
| 2281 | |
| 2282 | if (!commit->output_layer) { |
| 2283 | pr_err("no output layer defined\n"); |
| 2284 | return -EINVAL; |
| 2285 | } |
| 2286 | |
| 2287 | wfd = mdp5_data->wfd; |
| 2288 | output_layer = commit->output_layer; |
| 2289 | |
| 2290 | rc = mdss_mdp_wfd_validate(wfd, output_layer); |
| 2291 | if (rc) { |
| 2292 | pr_err("fail to validate the output layer = %d\n", rc); |
| 2293 | goto validate_failed; |
| 2294 | } |
| 2295 | |
| 2296 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON); |
| 2297 | rc = mdss_mdp_wfd_setup(wfd, output_layer); |
| 2298 | if (rc) { |
| 2299 | pr_err("fail to prepare wfd = %d\n", rc); |
| 2300 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); |
| 2301 | goto validate_failed; |
| 2302 | } |
| 2303 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); |
| 2304 | |
| 2305 | rc = mdss_mdp_layer_atomic_validate(mfd, file, commit); |
| 2306 | if (rc) { |
| 2307 | pr_err("fail to validate the input layers = %d\n", rc); |
| 2308 | goto validate_failed; |
| 2309 | } |
| 2310 | |
| 2311 | validate_failed: |
| 2312 | return rc; |
| 2313 | } |
| 2314 | |
| 2315 | int mdss_mdp_async_position_update(struct msm_fb_data_type *mfd, |
| 2316 | struct mdp_position_update *update_pos) |
| 2317 | { |
| 2318 | int i, rc = 0; |
| 2319 | struct mdss_mdp_pipe *pipe = NULL; |
| 2320 | struct mdp_async_layer *layer; |
| 2321 | struct mdss_rect dst, src; |
| 2322 | struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd); |
| 2323 | u32 flush_bits = 0, inputndx = 0; |
| 2324 | |
| 2325 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON); |
| 2326 | |
| 2327 | for (i = 0; i < update_pos->input_layer_cnt; i++) { |
| 2328 | layer = &update_pos->input_layers[i]; |
| 2329 | mutex_lock(&mdp5_data->list_lock); |
| 2330 | __find_pipe_in_list(&mdp5_data->pipes_used, layer->pipe_ndx, |
| 2331 | &pipe, MDSS_MDP_PIPE_RECT0); |
| 2332 | mutex_unlock(&mdp5_data->list_lock); |
| 2333 | if (!pipe) { |
| 2334 | pr_err("invalid pipe ndx=0x%x for async update\n", |
| 2335 | layer->pipe_ndx); |
| 2336 | rc = -ENODEV; |
| 2337 | layer->error_code = rc; |
| 2338 | goto done; |
| 2339 | } |
| 2340 | |
| 2341 | rc = __async_update_position_check(mfd, pipe, &layer->src, |
| 2342 | &layer->dst); |
| 2343 | if (rc) { |
| 2344 | layer->error_code = rc; |
| 2345 | goto done; |
| 2346 | } |
| 2347 | |
| 2348 | src = (struct mdss_rect) {layer->src.x, layer->src.y, |
| 2349 | pipe->src.w, pipe->src.h}; |
| 2350 | dst = (struct mdss_rect) {layer->dst.x, layer->dst.y, |
| 2351 | pipe->src.w, pipe->src.h}; |
| 2352 | |
| 2353 | pr_debug("src:{%d,%d,%d,%d}, dst:{%d,%d,%d,%d}\n", |
| 2354 | src.x, src.y, src.w, src.h, |
| 2355 | dst.x, dst.y, dst.w, dst.h); |
| 2356 | |
| 2357 | mdss_mdp_pipe_position_update(pipe, &src, &dst); |
| 2358 | |
| 2359 | flush_bits |= mdss_mdp_get_pipe_flush_bits(pipe); |
| 2360 | inputndx |= layer->pipe_ndx; |
| 2361 | } |
| 2362 | mdss_mdp_async_ctl_flush(mfd, flush_bits); |
| 2363 | |
| 2364 | done: |
| 2365 | MDSS_XLOG(inputndx, update_pos->input_layer_cnt, flush_bits, rc); |
| 2366 | mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); |
| 2367 | return rc; |
| 2368 | } |
| 2369 | |