Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015-2016 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #define pr_fmt(fmt) "sde-wb:[%s] " fmt, __func__ |
| 16 | |
| 17 | #include <linux/jiffies.h> |
| 18 | #include <linux/debugfs.h> |
| 19 | |
| 20 | #include "sde_encoder_phys.h" |
| 21 | #include "sde_formats.h" |
| 22 | #include "sde_hw_top.h" |
| 23 | #include "sde_hw_interrupts.h" |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame^] | 24 | #include "sde_core_irq.h" |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 25 | #include "sde_wb.h" |
| 26 | |
| 27 | /* wait for at most 2 vsync for lowest refresh rate (24hz) */ |
| 28 | #define WAIT_TIMEOUT_MSEC 84 |
| 29 | |
| 30 | #define to_sde_encoder_phys_wb(x) \ |
| 31 | container_of(x, struct sde_encoder_phys_wb, base) |
| 32 | |
| 33 | #define DEV(phy_enc) (phy_enc->parent->dev) |
| 34 | |
| 35 | /** |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 36 | * sde_encoder_phys_wb_is_master - report wb always as master encoder |
| 37 | */ |
| 38 | static bool sde_encoder_phys_wb_is_master(struct sde_encoder_phys *phys_enc) |
| 39 | { |
| 40 | return true; |
| 41 | } |
| 42 | |
| 43 | /** |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 44 | * sde_encoder_phys_wb_get_intr_type - get interrupt type based on block mode |
| 45 | * @hw_wb: Pointer to h/w writeback driver |
| 46 | */ |
| 47 | static enum sde_intr_type sde_encoder_phys_wb_get_intr_type( |
| 48 | struct sde_hw_wb *hw_wb) |
| 49 | { |
| 50 | return (hw_wb->caps->features & BIT(SDE_WB_BLOCK_MODE)) ? |
| 51 | SDE_IRQ_TYPE_WB_ROT_COMP : SDE_IRQ_TYPE_WB_WFD_COMP; |
| 52 | } |
| 53 | |
| 54 | /** |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 55 | * sde_encoder_phys_wb_set_ot_limit - set OT limit for writeback interface |
| 56 | * @phys_enc: Pointer to physical encoder |
| 57 | */ |
| 58 | static void sde_encoder_phys_wb_set_ot_limit( |
| 59 | struct sde_encoder_phys *phys_enc) |
| 60 | { |
| 61 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 62 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 63 | struct sde_vbif_set_ot_params ot_params; |
| 64 | |
| 65 | memset(&ot_params, 0, sizeof(ot_params)); |
| 66 | ot_params.xin_id = hw_wb->caps->xin_id; |
| 67 | ot_params.num = hw_wb->idx - WB_0; |
| 68 | ot_params.width = wb_enc->wb_roi.w; |
| 69 | ot_params.height = wb_enc->wb_roi.h; |
| 70 | ot_params.is_wfd = true; |
| 71 | ot_params.frame_rate = phys_enc->cached_mode.vrefresh; |
| 72 | ot_params.vbif_idx = hw_wb->caps->vbif_idx; |
| 73 | ot_params.clk_ctrl = hw_wb->caps->clk_ctrl; |
| 74 | ot_params.rd = false; |
| 75 | |
| 76 | sde_vbif_set_ot_limit(phys_enc->sde_kms, &ot_params); |
| 77 | } |
| 78 | |
| 79 | /** |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 80 | * sde_encoder_phys_wb_set_traffic_shaper - set traffic shaper for writeback |
| 81 | * @phys_enc: Pointer to physical encoder |
| 82 | */ |
| 83 | static void sde_encoder_phys_wb_set_traffic_shaper( |
| 84 | struct sde_encoder_phys *phys_enc) |
| 85 | { |
| 86 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 87 | struct sde_hw_wb_cfg *wb_cfg = &wb_enc->wb_cfg; |
| 88 | |
| 89 | /* traffic shaper is only enabled for rotator */ |
| 90 | wb_cfg->ts_cfg.en = false; |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * sde_encoder_phys_setup_cdm - setup chroma down block |
| 95 | * @phys_enc: Pointer to physical encoder |
| 96 | * @fb: Pointer to output framebuffer |
| 97 | * @format: Output format |
| 98 | */ |
| 99 | void sde_encoder_phys_setup_cdm(struct sde_encoder_phys *phys_enc, |
| 100 | struct drm_framebuffer *fb, const struct sde_format *format, |
| 101 | struct sde_rect *wb_roi) |
| 102 | { |
| 103 | struct sde_hw_cdm *hw_cdm = phys_enc->hw_cdm; |
| 104 | struct sde_hw_cdm_cfg *cdm_cfg = &phys_enc->cdm_cfg; |
| 105 | int ret; |
| 106 | |
| 107 | if (!SDE_FORMAT_IS_YUV(format)) { |
| 108 | SDE_DEBUG("[cdm_disable fmt:%x]\n", |
| 109 | format->base.pixel_format); |
| 110 | |
| 111 | if (hw_cdm && hw_cdm->ops.disable) |
| 112 | hw_cdm->ops.disable(hw_cdm); |
| 113 | |
| 114 | return; |
| 115 | } |
| 116 | |
| 117 | memset(cdm_cfg, 0, sizeof(struct sde_hw_cdm_cfg)); |
| 118 | |
| 119 | cdm_cfg->output_width = wb_roi->w; |
| 120 | cdm_cfg->output_height = wb_roi->h; |
| 121 | cdm_cfg->output_fmt = format; |
| 122 | cdm_cfg->output_type = CDM_CDWN_OUTPUT_WB; |
| 123 | cdm_cfg->output_bit_depth = CDM_CDWN_OUTPUT_8BIT; |
| 124 | |
| 125 | /* enable 10 bit logic */ |
| 126 | switch (cdm_cfg->output_fmt->chroma_sample) { |
| 127 | case SDE_CHROMA_RGB: |
| 128 | cdm_cfg->h_cdwn_type = CDM_CDWN_DISABLE; |
| 129 | cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; |
| 130 | break; |
| 131 | case SDE_CHROMA_H2V1: |
| 132 | cdm_cfg->h_cdwn_type = CDM_CDWN_COSITE; |
| 133 | cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; |
| 134 | break; |
| 135 | case SDE_CHROMA_420: |
| 136 | cdm_cfg->h_cdwn_type = CDM_CDWN_COSITE; |
| 137 | cdm_cfg->v_cdwn_type = CDM_CDWN_OFFSITE; |
| 138 | break; |
| 139 | case SDE_CHROMA_H1V2: |
| 140 | default: |
| 141 | SDE_ERROR("unsupported chroma sampling type\n"); |
| 142 | cdm_cfg->h_cdwn_type = CDM_CDWN_DISABLE; |
| 143 | cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; |
| 144 | break; |
| 145 | } |
| 146 | |
| 147 | SDE_DEBUG("[cdm_enable:%d,%d,%X,%d,%d,%d,%d]\n", |
| 148 | cdm_cfg->output_width, |
| 149 | cdm_cfg->output_height, |
| 150 | cdm_cfg->output_fmt->base.pixel_format, |
| 151 | cdm_cfg->output_type, |
| 152 | cdm_cfg->output_bit_depth, |
| 153 | cdm_cfg->h_cdwn_type, |
| 154 | cdm_cfg->v_cdwn_type); |
| 155 | |
| 156 | if (hw_cdm && hw_cdm->ops.setup_cdwn) { |
| 157 | ret = hw_cdm->ops.setup_cdwn(hw_cdm, cdm_cfg); |
| 158 | if (ret < 0) { |
| 159 | SDE_ERROR("failed to setup CDM %d\n", ret); |
| 160 | return; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | if (hw_cdm && hw_cdm->ops.enable) { |
| 165 | ret = hw_cdm->ops.enable(hw_cdm, cdm_cfg); |
| 166 | if (ret < 0) { |
| 167 | SDE_ERROR("failed to enable CDM %d\n", ret); |
| 168 | return; |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * sde_encoder_phys_wb_setup_fb - setup output framebuffer |
| 175 | * @phys_enc: Pointer to physical encoder |
| 176 | * @fb: Pointer to output framebuffer |
| 177 | * @wb_roi: Pointer to output region of interest |
| 178 | */ |
| 179 | static void sde_encoder_phys_wb_setup_fb(struct sde_encoder_phys *phys_enc, |
| 180 | struct drm_framebuffer *fb, struct sde_rect *wb_roi) |
| 181 | { |
| 182 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
Clarence Ip | 0352198 | 2016-08-26 10:49:47 -0400 | [diff] [blame] | 183 | struct sde_hw_wb *hw_wb; |
| 184 | struct sde_hw_wb_cfg *wb_cfg; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 185 | const struct msm_format *format; |
| 186 | int ret, mmu_id; |
| 187 | |
Clarence Ip | 0352198 | 2016-08-26 10:49:47 -0400 | [diff] [blame] | 188 | if (!phys_enc) { |
| 189 | SDE_ERROR("invalid encoder\n"); |
| 190 | return; |
| 191 | } |
| 192 | |
| 193 | hw_wb = wb_enc->hw_wb; |
| 194 | wb_cfg = &wb_enc->wb_cfg; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 195 | memset(wb_cfg, 0, sizeof(struct sde_hw_wb_cfg)); |
| 196 | |
Clarence Ip | 0352198 | 2016-08-26 10:49:47 -0400 | [diff] [blame] | 197 | wb_cfg->intf_mode = phys_enc->intf_mode; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 198 | wb_cfg->is_secure = (fb->flags & DRM_MODE_FB_SECURE) ? true : false; |
| 199 | mmu_id = (wb_cfg->is_secure) ? |
| 200 | wb_enc->mmu_id[SDE_IOMMU_DOMAIN_SECURE] : |
| 201 | wb_enc->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE]; |
| 202 | |
| 203 | SDE_DEBUG("[fb_secure:%d]\n", wb_cfg->is_secure); |
| 204 | |
| 205 | format = msm_framebuffer_format(fb); |
Dhaval Patel | ccbcb3d | 2016-08-22 11:58:14 -0700 | [diff] [blame] | 206 | if (!format) { |
| 207 | SDE_DEBUG("invalid format for fb\n"); |
| 208 | return; |
| 209 | } |
| 210 | |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 211 | wb_cfg->dest.format = sde_get_sde_format_ext( |
| 212 | format->pixel_format, |
| 213 | fb->modifier, |
| 214 | drm_format_num_planes(fb->pixel_format)); |
| 215 | if (!wb_cfg->dest.format) { |
| 216 | /* this error should be detected during atomic_check */ |
| 217 | SDE_ERROR("failed to get format %x\n", format->pixel_format); |
| 218 | return; |
| 219 | } |
| 220 | |
| 221 | ret = sde_format_populate_layout_with_roi(mmu_id, fb, wb_roi, |
| 222 | &wb_cfg->dest); |
| 223 | if (ret) { |
| 224 | /* this error should be detected during atomic_check */ |
| 225 | SDE_DEBUG("failed to populate layout %d\n", ret); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | if ((wb_cfg->dest.format->fetch_planes == SDE_PLANE_PLANAR) && |
| 230 | (wb_cfg->dest.format->element[0] == C1_B_Cb)) |
| 231 | swap(wb_cfg->dest.plane_addr[1], wb_cfg->dest.plane_addr[2]); |
| 232 | |
| 233 | SDE_DEBUG("[fb_offset:%8.8x,%8.8x,%8.8x,%8.8x]\n", |
| 234 | wb_cfg->dest.plane_addr[0], |
| 235 | wb_cfg->dest.plane_addr[1], |
| 236 | wb_cfg->dest.plane_addr[2], |
| 237 | wb_cfg->dest.plane_addr[3]); |
| 238 | SDE_DEBUG("[fb_stride:%8.8x,%8.8x,%8.8x,%8.8x]\n", |
| 239 | wb_cfg->dest.plane_pitch[0], |
| 240 | wb_cfg->dest.plane_pitch[1], |
| 241 | wb_cfg->dest.plane_pitch[2], |
| 242 | wb_cfg->dest.plane_pitch[3]); |
| 243 | |
| 244 | if (hw_wb->ops.setup_outformat) |
| 245 | hw_wb->ops.setup_outformat(hw_wb, wb_cfg); |
| 246 | |
| 247 | if (hw_wb->ops.setup_outaddress) |
| 248 | hw_wb->ops.setup_outaddress(hw_wb, wb_cfg); |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * sde_encoder_phys_wb_setup_cdp - setup chroma down prefetch block |
| 253 | * @phys_enc: Pointer to physical encoder |
| 254 | */ |
| 255 | static void sde_encoder_phys_wb_setup_cdp(struct sde_encoder_phys *phys_enc) |
| 256 | { |
| 257 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 258 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 259 | struct sde_hw_intf_cfg *intf_cfg = &wb_enc->intf_cfg; |
| 260 | |
| 261 | memset(intf_cfg, 0, sizeof(struct sde_hw_intf_cfg)); |
| 262 | |
| 263 | intf_cfg->intf = SDE_NONE; |
| 264 | intf_cfg->wb = hw_wb->idx; |
| 265 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 266 | if (phys_enc->hw_ctl && phys_enc->hw_ctl->ops.setup_intf_cfg) |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 267 | phys_enc->hw_ctl->ops.setup_intf_cfg(phys_enc->hw_ctl, |
| 268 | intf_cfg); |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * sde_encoder_phys_wb_atomic_check - verify and fixup given atomic states |
| 273 | * @phys_enc: Pointer to physical encoder |
| 274 | * @crtc_state: Pointer to CRTC atomic state |
| 275 | * @conn_state: Pointer to connector atomic state |
| 276 | */ |
| 277 | static int sde_encoder_phys_wb_atomic_check( |
| 278 | struct sde_encoder_phys *phys_enc, |
| 279 | struct drm_crtc_state *crtc_state, |
| 280 | struct drm_connector_state *conn_state) |
| 281 | { |
| 282 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 283 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 284 | const struct sde_wb_cfg *wb_cfg = hw_wb->caps; |
| 285 | struct drm_framebuffer *fb; |
| 286 | const struct sde_format *fmt; |
| 287 | struct sde_rect wb_roi; |
| 288 | const struct drm_display_mode *mode = &crtc_state->mode; |
| 289 | int rc; |
| 290 | |
| 291 | SDE_DEBUG("[atomic_check:%d,%d,\"%s\",%d,%d]\n", |
| 292 | hw_wb->idx - WB_0, mode->base.id, mode->name, |
| 293 | mode->hdisplay, mode->vdisplay); |
| 294 | |
| 295 | memset(&wb_roi, 0, sizeof(struct sde_rect)); |
| 296 | |
| 297 | rc = sde_wb_connector_state_get_output_roi(conn_state, &wb_roi); |
| 298 | if (rc) { |
| 299 | SDE_ERROR("failed to get roi %d\n", rc); |
| 300 | return rc; |
| 301 | } |
| 302 | |
| 303 | SDE_DEBUG("[roi:%u,%u,%u,%u]\n", wb_roi.x, wb_roi.y, |
| 304 | wb_roi.w, wb_roi.h); |
| 305 | |
| 306 | fb = sde_wb_connector_state_get_output_fb(conn_state); |
| 307 | if (!fb) { |
| 308 | SDE_ERROR("no output framebuffer\n"); |
| 309 | return -EINVAL; |
| 310 | } |
| 311 | |
| 312 | SDE_DEBUG("[fb_id:%u][fb:%u,%u]\n", fb->base.id, |
| 313 | fb->width, fb->height); |
| 314 | |
| 315 | fmt = sde_get_sde_format_ext(fb->pixel_format, fb->modifier, |
| 316 | drm_format_num_planes(fb->pixel_format)); |
| 317 | if (!fmt) { |
| 318 | SDE_ERROR("unsupported output pixel format:%d\n", |
| 319 | fb->pixel_format); |
| 320 | return -EINVAL; |
| 321 | } |
| 322 | |
| 323 | SDE_DEBUG("[fb_fmt:%x,%llx]\n", fb->pixel_format, |
| 324 | fb->modifier[0]); |
| 325 | |
| 326 | if (SDE_FORMAT_IS_YUV(fmt) && |
| 327 | !(wb_cfg->features & BIT(SDE_WB_YUV_CONFIG))) { |
| 328 | SDE_ERROR("invalid output format %x\n", fmt->base.pixel_format); |
| 329 | return -EINVAL; |
| 330 | } |
| 331 | |
| 332 | if (SDE_FORMAT_IS_UBWC(fmt) && |
| 333 | !(wb_cfg->features & BIT(SDE_WB_UBWC_1_0))) { |
| 334 | SDE_ERROR("invalid output format %x\n", fmt->base.pixel_format); |
| 335 | return -EINVAL; |
| 336 | } |
| 337 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 338 | phys_enc->needs_cdm = SDE_FORMAT_IS_YUV(fmt); |
| 339 | |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 340 | if (wb_roi.w && wb_roi.h) { |
| 341 | if (wb_roi.w != mode->hdisplay) { |
| 342 | SDE_ERROR("invalid roi w=%d, mode w=%d\n", wb_roi.w, |
| 343 | mode->hdisplay); |
| 344 | return -EINVAL; |
| 345 | } else if (wb_roi.h != mode->vdisplay) { |
| 346 | SDE_ERROR("invalid roi h=%d, mode h=%d\n", wb_roi.h, |
| 347 | mode->vdisplay); |
| 348 | return -EINVAL; |
| 349 | } else if (wb_roi.x + wb_roi.w > fb->width) { |
| 350 | SDE_ERROR("invalid roi x=%d, w=%d, fb w=%d\n", |
| 351 | wb_roi.x, wb_roi.w, fb->width); |
| 352 | return -EINVAL; |
| 353 | } else if (wb_roi.y + wb_roi.h > fb->height) { |
| 354 | SDE_ERROR("invalid roi y=%d, h=%d, fb h=%d\n", |
| 355 | wb_roi.y, wb_roi.h, fb->height); |
| 356 | return -EINVAL; |
| 357 | } else if (wb_roi.w > wb_cfg->sblk->maxlinewidth) { |
| 358 | SDE_ERROR("invalid roi w=%d, maxlinewidth=%u\n", |
| 359 | wb_roi.w, wb_cfg->sblk->maxlinewidth); |
| 360 | return -EINVAL; |
| 361 | } |
| 362 | } else { |
| 363 | if (wb_roi.x || wb_roi.y) { |
| 364 | SDE_ERROR("invalid roi x=%d, y=%d\n", |
| 365 | wb_roi.x, wb_roi.y); |
| 366 | return -EINVAL; |
| 367 | } else if (fb->width != mode->hdisplay) { |
| 368 | SDE_ERROR("invalid fb w=%d, mode w=%d\n", fb->width, |
| 369 | mode->hdisplay); |
| 370 | return -EINVAL; |
| 371 | } else if (fb->height != mode->vdisplay) { |
| 372 | SDE_ERROR("invalid fb h=%d, mode h=%d\n", fb->height, |
| 373 | mode->vdisplay); |
| 374 | return -EINVAL; |
| 375 | } else if (fb->width > wb_cfg->sblk->maxlinewidth) { |
| 376 | SDE_ERROR("invalid fb w=%d, maxlinewidth=%u\n", |
| 377 | fb->width, wb_cfg->sblk->maxlinewidth); |
| 378 | return -EINVAL; |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | return 0; |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * sde_encoder_phys_wb_flush - flush hardware update |
| 387 | * @phys_enc: Pointer to physical encoder |
| 388 | */ |
| 389 | static void sde_encoder_phys_wb_flush(struct sde_encoder_phys *phys_enc) |
| 390 | { |
| 391 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 392 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 393 | struct sde_hw_ctl *hw_ctl = phys_enc->hw_ctl; |
| 394 | struct sde_hw_cdm *hw_cdm = phys_enc->hw_cdm; |
| 395 | u32 flush_mask = 0; |
| 396 | |
| 397 | SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| 398 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 399 | if (!hw_ctl) { |
| 400 | SDE_DEBUG("[wb:%d] no ctl assigned\n", hw_wb->idx - WB_0); |
| 401 | return; |
| 402 | } |
| 403 | |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 404 | if (hw_ctl->ops.get_bitmask_wb) |
| 405 | hw_ctl->ops.get_bitmask_wb(hw_ctl, &flush_mask, hw_wb->idx); |
| 406 | |
| 407 | if (hw_ctl->ops.get_bitmask_cdm && hw_cdm) |
| 408 | hw_ctl->ops.get_bitmask_cdm(hw_ctl, &flush_mask, hw_cdm->idx); |
| 409 | |
| 410 | if (hw_ctl->ops.update_pending_flush) |
| 411 | hw_ctl->ops.update_pending_flush(hw_ctl, flush_mask); |
| 412 | |
| 413 | SDE_DEBUG("Flushing CTL_ID %d, flush_mask %x, WB %d\n", |
| 414 | hw_ctl->idx - CTL_0, flush_mask, hw_wb->idx - WB_0); |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * sde_encoder_phys_wb_setup - setup writeback encoder |
| 419 | * @phys_enc: Pointer to physical encoder |
| 420 | */ |
| 421 | static void sde_encoder_phys_wb_setup( |
| 422 | struct sde_encoder_phys *phys_enc) |
| 423 | { |
| 424 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 425 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 426 | struct drm_display_mode mode = phys_enc->cached_mode; |
| 427 | struct drm_framebuffer *fb; |
| 428 | struct sde_rect *wb_roi = &wb_enc->wb_roi; |
| 429 | |
| 430 | SDE_DEBUG("[mode_set:%d,%d,\"%s\",%d,%d]\n", |
| 431 | hw_wb->idx - WB_0, mode.base.id, mode.name, |
| 432 | mode.hdisplay, mode.vdisplay); |
| 433 | |
| 434 | memset(wb_roi, 0, sizeof(struct sde_rect)); |
| 435 | |
| 436 | fb = sde_wb_get_output_fb(wb_enc->wb_dev); |
| 437 | if (!fb) { |
| 438 | SDE_DEBUG("no output framebuffer\n"); |
| 439 | return; |
| 440 | } |
| 441 | |
| 442 | SDE_DEBUG("[fb_id:%u][fb:%u,%u]\n", fb->base.id, |
| 443 | fb->width, fb->height); |
| 444 | |
| 445 | sde_wb_get_output_roi(wb_enc->wb_dev, wb_roi); |
| 446 | if (wb_roi->w == 0 || wb_roi->h == 0) { |
| 447 | wb_roi->x = 0; |
| 448 | wb_roi->y = 0; |
| 449 | wb_roi->w = fb->width; |
| 450 | wb_roi->h = fb->height; |
| 451 | } |
| 452 | |
| 453 | SDE_DEBUG("[roi:%u,%u,%u,%u]\n", wb_roi->x, wb_roi->y, |
| 454 | wb_roi->w, wb_roi->h); |
| 455 | |
| 456 | wb_enc->wb_fmt = sde_get_sde_format_ext(fb->pixel_format, fb->modifier, |
| 457 | drm_format_num_planes(fb->pixel_format)); |
| 458 | if (!wb_enc->wb_fmt) { |
| 459 | SDE_ERROR("unsupported output pixel format: %d\n", |
| 460 | fb->pixel_format); |
| 461 | return; |
| 462 | } |
| 463 | |
| 464 | SDE_DEBUG("[fb_fmt:%x,%llx]\n", fb->pixel_format, |
| 465 | fb->modifier[0]); |
| 466 | |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 467 | sde_encoder_phys_wb_set_ot_limit(phys_enc); |
| 468 | |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 469 | sde_encoder_phys_wb_set_traffic_shaper(phys_enc); |
| 470 | |
| 471 | sde_encoder_phys_setup_cdm(phys_enc, fb, wb_enc->wb_fmt, wb_roi); |
| 472 | |
| 473 | sde_encoder_phys_wb_setup_fb(phys_enc, fb, wb_roi); |
| 474 | |
| 475 | sde_encoder_phys_wb_setup_cdp(phys_enc); |
| 476 | } |
| 477 | |
| 478 | /** |
| 479 | * sde_encoder_phys_wb_unregister_irq - unregister writeback interrupt handler |
| 480 | * @phys_enc: Pointer to physical encoder |
| 481 | */ |
| 482 | static int sde_encoder_phys_wb_unregister_irq( |
| 483 | struct sde_encoder_phys *phys_enc) |
| 484 | { |
| 485 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 486 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 487 | |
| 488 | if (wb_enc->bypass_irqreg) |
| 489 | return 0; |
| 490 | |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame^] | 491 | sde_core_irq_disable(phys_enc->sde_kms, &wb_enc->irq_idx, 1); |
| 492 | sde_core_irq_register_callback(phys_enc->sde_kms, wb_enc->irq_idx, |
| 493 | NULL); |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 494 | |
| 495 | SDE_DEBUG("un-register IRQ for wb %d, irq_idx=%d\n", |
| 496 | hw_wb->idx - WB_0, |
| 497 | wb_enc->irq_idx); |
| 498 | |
| 499 | return 0; |
| 500 | } |
| 501 | |
| 502 | /** |
| 503 | * sde_encoder_phys_wb_done_irq - writeback interrupt handler |
| 504 | * @arg: Pointer to writeback encoder |
| 505 | * @irq_idx: interrupt index |
| 506 | */ |
| 507 | static void sde_encoder_phys_wb_done_irq(void *arg, int irq_idx) |
| 508 | { |
| 509 | struct sde_encoder_phys_wb *wb_enc = arg; |
| 510 | struct sde_encoder_phys *phys_enc = &wb_enc->base; |
| 511 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 512 | |
| 513 | SDE_DEBUG("[wb:%d,%u]\n", hw_wb->idx - WB_0, |
| 514 | wb_enc->frame_count); |
| 515 | |
| 516 | complete_all(&wb_enc->wbdone_complete); |
| 517 | |
| 518 | phys_enc->parent_ops.handle_vblank_virt(phys_enc->parent); |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * sde_encoder_phys_wb_register_irq - register writeback interrupt handler |
| 523 | * @phys_enc: Pointer to physical encoder |
| 524 | */ |
| 525 | static int sde_encoder_phys_wb_register_irq(struct sde_encoder_phys *phys_enc) |
| 526 | { |
| 527 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 528 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 529 | struct sde_irq_callback irq_cb; |
| 530 | enum sde_intr_type intr_type; |
| 531 | int ret = 0; |
| 532 | |
| 533 | if (wb_enc->bypass_irqreg) |
| 534 | return 0; |
| 535 | |
| 536 | intr_type = sde_encoder_phys_wb_get_intr_type(hw_wb); |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame^] | 537 | wb_enc->irq_idx = sde_core_irq_idx_lookup(phys_enc->sde_kms, |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 538 | intr_type, hw_wb->idx); |
| 539 | if (wb_enc->irq_idx < 0) { |
| 540 | SDE_ERROR( |
| 541 | "failed to lookup IRQ index for WB_DONE with wb=%d\n", |
| 542 | hw_wb->idx - WB_0); |
| 543 | return -EINVAL; |
| 544 | } |
| 545 | |
| 546 | irq_cb.func = sde_encoder_phys_wb_done_irq; |
| 547 | irq_cb.arg = wb_enc; |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame^] | 548 | ret = sde_core_irq_register_callback(phys_enc->sde_kms, |
| 549 | wb_enc->irq_idx, &irq_cb); |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 550 | if (ret) { |
| 551 | SDE_ERROR("failed to register IRQ callback WB_DONE\n"); |
| 552 | return ret; |
| 553 | } |
| 554 | |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame^] | 555 | ret = sde_core_irq_enable(phys_enc->sde_kms, &wb_enc->irq_idx, 1); |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 556 | if (ret) { |
| 557 | SDE_ERROR( |
| 558 | "failed to enable IRQ for WB_DONE, wb %d, irq_idx=%d\n", |
| 559 | hw_wb->idx - WB_0, |
| 560 | wb_enc->irq_idx); |
| 561 | wb_enc->irq_idx = -EINVAL; |
| 562 | |
| 563 | /* Unregister callback on IRQ enable failure */ |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame^] | 564 | sde_core_irq_register_callback(phys_enc->sde_kms, |
| 565 | wb_enc->irq_idx, NULL); |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 566 | return ret; |
| 567 | } |
| 568 | |
| 569 | SDE_DEBUG("registered IRQ for wb %d, irq_idx=%d\n", |
| 570 | hw_wb->idx - WB_0, |
| 571 | wb_enc->irq_idx); |
| 572 | |
| 573 | return ret; |
| 574 | } |
| 575 | |
| 576 | /** |
| 577 | * sde_encoder_phys_wb_mode_set - set display mode |
| 578 | * @phys_enc: Pointer to physical encoder |
| 579 | * @mode: Pointer to requested display mode |
| 580 | * @adj_mode: Pointer to adjusted display mode |
| 581 | */ |
| 582 | static void sde_encoder_phys_wb_mode_set( |
| 583 | struct sde_encoder_phys *phys_enc, |
| 584 | struct drm_display_mode *mode, |
| 585 | struct drm_display_mode *adj_mode) |
| 586 | { |
| 587 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 588 | struct sde_rm *rm = &phys_enc->sde_kms->rm; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 589 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 590 | struct sde_rm_hw_iter iter; |
| 591 | int i, instance; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 592 | |
| 593 | phys_enc->cached_mode = *adj_mode; |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 594 | instance = phys_enc->split_role == ENC_ROLE_SLAVE ? 1 : 0; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 595 | |
| 596 | SDE_DEBUG("[mode_set_cache:%d,%d,\"%s\",%d,%d]\n", |
| 597 | hw_wb->idx - WB_0, mode->base.id, |
| 598 | mode->name, mode->hdisplay, mode->vdisplay); |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 599 | |
| 600 | /* Retrieve previously allocated HW Resources. CTL shouldn't fail */ |
| 601 | sde_rm_init_hw_iter(&iter, phys_enc->parent->base.id, SDE_HW_BLK_CTL); |
| 602 | for (i = 0; i <= instance; i++) { |
| 603 | sde_rm_get_hw(rm, &iter); |
| 604 | if (i == instance) |
| 605 | phys_enc->hw_ctl = (struct sde_hw_ctl *) iter.hw; |
| 606 | } |
| 607 | |
| 608 | if (IS_ERR_OR_NULL(phys_enc->hw_ctl)) { |
| 609 | SDE_ERROR("failed init ctl: %ld\n", PTR_ERR(phys_enc->hw_ctl)); |
| 610 | phys_enc->hw_ctl = NULL; |
| 611 | return; |
| 612 | } |
| 613 | |
| 614 | /* CDM is optional */ |
| 615 | sde_rm_init_hw_iter(&iter, phys_enc->parent->base.id, SDE_HW_BLK_CDM); |
| 616 | for (i = 0; i <= instance; i++) { |
| 617 | sde_rm_get_hw(rm, &iter); |
| 618 | if (i == instance) |
| 619 | phys_enc->hw_cdm = (struct sde_hw_cdm *) iter.hw; |
| 620 | } |
| 621 | |
| 622 | if (IS_ERR_OR_NULL(phys_enc->hw_cdm)) { |
| 623 | if (phys_enc->needs_cdm) { |
| 624 | SDE_ERROR("CDM required but not allocated: %ld\n", |
| 625 | PTR_ERR(phys_enc->hw_cdm)); |
| 626 | phys_enc->hw_ctl = NULL; |
| 627 | } |
| 628 | phys_enc->hw_cdm = NULL; |
| 629 | } |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 630 | } |
| 631 | |
| 632 | /** |
| 633 | * sde_encoder_phys_wb_control_vblank_irq - Control vblank interrupt |
| 634 | * @phys_enc: Pointer to physical encoder |
| 635 | * @enable: Enable interrupt |
| 636 | */ |
| 637 | static int sde_encoder_phys_wb_control_vblank_irq( |
| 638 | struct sde_encoder_phys *phys_enc, |
| 639 | bool enable) |
| 640 | { |
| 641 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 642 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 643 | int ret = 0; |
| 644 | |
| 645 | SDE_DEBUG("[wb:%d,%d]\n", hw_wb->idx - WB_0, enable); |
| 646 | |
| 647 | if (enable) |
| 648 | ret = sde_encoder_phys_wb_register_irq(phys_enc); |
| 649 | else |
| 650 | ret = sde_encoder_phys_wb_unregister_irq(phys_enc); |
| 651 | |
| 652 | if (ret) |
| 653 | SDE_ERROR("control vblank irq error %d, enable %d\n", ret, |
| 654 | enable); |
| 655 | |
| 656 | return ret; |
| 657 | } |
| 658 | |
| 659 | /** |
| 660 | * sde_encoder_phys_wb_wait_for_commit_done - wait until request is committed |
| 661 | * @phys_enc: Pointer to physical encoder |
| 662 | */ |
| 663 | static int sde_encoder_phys_wb_wait_for_commit_done( |
| 664 | struct sde_encoder_phys *phys_enc) |
| 665 | { |
| 666 | unsigned long ret; |
| 667 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 668 | u32 irq_status; |
| 669 | u64 wb_time = 0; |
| 670 | int rc = 0; |
| 671 | |
| 672 | /* Return EWOULDBLOCK since we know the wait isn't necessary */ |
| 673 | if (WARN_ON(phys_enc->enable_state != SDE_ENC_ENABLED)) |
| 674 | return -EWOULDBLOCK; |
| 675 | |
| 676 | MSM_EVT(DEV(phys_enc), wb_enc->frame_count, 0); |
| 677 | |
| 678 | ret = wait_for_completion_timeout(&wb_enc->wbdone_complete, |
| 679 | msecs_to_jiffies(wb_enc->wbdone_timeout)); |
| 680 | |
| 681 | if (!ret) { |
| 682 | MSM_EVT(DEV(phys_enc), wb_enc->frame_count, 0); |
| 683 | |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame^] | 684 | irq_status = sde_core_irq_read(phys_enc->sde_kms, |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 685 | wb_enc->irq_idx, true); |
| 686 | if (irq_status) { |
| 687 | SDE_DEBUG("wb:%d done but irq not triggered\n", |
| 688 | wb_enc->wb_dev->wb_idx - WB_0); |
| 689 | sde_encoder_phys_wb_done_irq(wb_enc, wb_enc->irq_idx); |
| 690 | } else { |
| 691 | SDE_ERROR("wb:%d kickoff timed out\n", |
| 692 | wb_enc->wb_dev->wb_idx - WB_0); |
| 693 | rc = -ETIMEDOUT; |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | sde_encoder_phys_wb_unregister_irq(phys_enc); |
| 698 | |
| 699 | if (!rc) |
| 700 | wb_enc->end_time = ktime_get(); |
| 701 | |
| 702 | /* once operation is done, disable traffic shaper */ |
| 703 | if (wb_enc->wb_cfg.ts_cfg.en && wb_enc->hw_wb && |
| 704 | wb_enc->hw_wb->ops.setup_trafficshaper) { |
| 705 | wb_enc->wb_cfg.ts_cfg.en = false; |
| 706 | wb_enc->hw_wb->ops.setup_trafficshaper( |
| 707 | wb_enc->hw_wb, &wb_enc->wb_cfg); |
| 708 | } |
| 709 | |
| 710 | /* remove vote for iommu/clk/bus */ |
| 711 | wb_enc->frame_count++; |
| 712 | |
| 713 | if (!rc) { |
| 714 | wb_time = (u64)ktime_to_us(wb_enc->end_time) - |
| 715 | (u64)ktime_to_us(wb_enc->start_time); |
| 716 | SDE_DEBUG("wb:%d took %llu us\n", |
| 717 | wb_enc->wb_dev->wb_idx - WB_0, wb_time); |
| 718 | } |
| 719 | |
| 720 | MSM_EVT(DEV(phys_enc), wb_enc->frame_count, wb_time); |
| 721 | |
| 722 | return rc; |
| 723 | } |
| 724 | |
| 725 | /** |
| 726 | * sde_encoder_phys_wb_prepare_for_kickoff - pre-kickoff processing |
| 727 | * @phys_enc: Pointer to physical encoder |
| 728 | * @need_to_wait: Wait for next submission |
| 729 | */ |
| 730 | static void sde_encoder_phys_wb_prepare_for_kickoff( |
| 731 | struct sde_encoder_phys *phys_enc, |
| 732 | bool *need_to_wait) |
| 733 | { |
| 734 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 735 | int ret; |
| 736 | |
| 737 | SDE_DEBUG("[wb:%d,%u]\n", wb_enc->hw_wb->idx - WB_0, |
| 738 | wb_enc->kickoff_count); |
| 739 | |
| 740 | *need_to_wait = false; |
| 741 | |
| 742 | reinit_completion(&wb_enc->wbdone_complete); |
| 743 | |
| 744 | ret = sde_encoder_phys_wb_register_irq(phys_enc); |
| 745 | if (ret) { |
| 746 | SDE_ERROR("failed to register irq %d\n", ret); |
| 747 | return; |
| 748 | } |
| 749 | |
| 750 | wb_enc->kickoff_count++; |
| 751 | |
| 752 | /* set OT limit & enable traffic shaper */ |
| 753 | sde_encoder_phys_wb_setup(phys_enc); |
| 754 | |
| 755 | sde_encoder_phys_wb_flush(phys_enc); |
| 756 | |
| 757 | /* vote for iommu/clk/bus */ |
| 758 | wb_enc->start_time = ktime_get(); |
| 759 | |
| 760 | MSM_EVT(DEV(phys_enc), *need_to_wait, wb_enc->kickoff_count); |
| 761 | } |
| 762 | |
| 763 | /** |
| 764 | * sde_encoder_phys_wb_handle_post_kickoff - post-kickoff processing |
| 765 | * @phys_enc: Pointer to physical encoder |
| 766 | */ |
| 767 | static void sde_encoder_phys_wb_handle_post_kickoff( |
| 768 | struct sde_encoder_phys *phys_enc) |
| 769 | { |
| 770 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 771 | |
| 772 | SDE_DEBUG("[wb:%d]\n", wb_enc->hw_wb->idx - WB_0); |
| 773 | |
| 774 | MSM_EVT(DEV(phys_enc), 0, 0); |
| 775 | } |
| 776 | |
| 777 | /** |
| 778 | * sde_encoder_phys_wb_enable - enable writeback encoder |
| 779 | * @phys_enc: Pointer to physical encoder |
| 780 | */ |
| 781 | static void sde_encoder_phys_wb_enable(struct sde_encoder_phys *phys_enc) |
| 782 | { |
| 783 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 784 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 785 | struct drm_connector *connector; |
| 786 | |
| 787 | SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| 788 | |
| 789 | /* find associated writeback connector */ |
| 790 | drm_for_each_connector(connector, phys_enc->parent->dev) { |
| 791 | if (connector->encoder == phys_enc->parent) |
| 792 | break; |
| 793 | } |
| 794 | if (!connector || connector->encoder != phys_enc->parent) { |
| 795 | SDE_ERROR("failed to find writeback connector\n"); |
| 796 | return; |
| 797 | } |
| 798 | wb_enc->wb_dev = sde_wb_connector_get_wb(connector); |
| 799 | |
| 800 | phys_enc->enable_state = SDE_ENC_ENABLED; |
| 801 | } |
| 802 | |
| 803 | /** |
| 804 | * sde_encoder_phys_wb_disable - disable writeback encoder |
| 805 | * @phys_enc: Pointer to physical encoder |
| 806 | */ |
| 807 | static void sde_encoder_phys_wb_disable(struct sde_encoder_phys *phys_enc) |
| 808 | { |
| 809 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 810 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 811 | |
| 812 | SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| 813 | |
| 814 | if (phys_enc->enable_state == SDE_ENC_DISABLED) { |
| 815 | SDE_ERROR("encoder is already disabled\n"); |
| 816 | return; |
| 817 | } |
| 818 | |
| 819 | if (wb_enc->frame_count != wb_enc->kickoff_count) { |
| 820 | SDE_DEBUG("[wait_for_done: wb:%d, frame:%u, kickoff:%u]\n", |
| 821 | hw_wb->idx - WB_0, wb_enc->frame_count, |
| 822 | wb_enc->kickoff_count); |
| 823 | sde_encoder_phys_wb_wait_for_commit_done(phys_enc); |
| 824 | } |
| 825 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 826 | if (phys_enc->hw_cdm && phys_enc->hw_cdm->ops.disable) { |
| 827 | SDE_DEBUG_DRIVER("[cdm_disable]\n"); |
| 828 | phys_enc->hw_cdm->ops.disable(phys_enc->hw_cdm); |
| 829 | } |
| 830 | |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 831 | phys_enc->enable_state = SDE_ENC_DISABLED; |
| 832 | } |
| 833 | |
| 834 | /** |
| 835 | * sde_encoder_phys_wb_get_hw_resources - get hardware resources |
| 836 | * @phys_enc: Pointer to physical encoder |
| 837 | * @hw_res: Pointer to encoder resources |
| 838 | */ |
| 839 | static void sde_encoder_phys_wb_get_hw_resources( |
| 840 | struct sde_encoder_phys *phys_enc, |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 841 | struct sde_encoder_hw_resources *hw_res, |
| 842 | struct drm_connector_state *conn_state) |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 843 | { |
| 844 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
Clarence Ip | 0352198 | 2016-08-26 10:49:47 -0400 | [diff] [blame] | 845 | struct sde_hw_wb *hw_wb; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 846 | |
Clarence Ip | 0352198 | 2016-08-26 10:49:47 -0400 | [diff] [blame] | 847 | if (!phys_enc) { |
| 848 | SDE_ERROR("invalid encoder\n"); |
| 849 | return; |
| 850 | } |
| 851 | hw_wb = wb_enc->hw_wb; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 852 | SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
Clarence Ip | 0352198 | 2016-08-26 10:49:47 -0400 | [diff] [blame] | 853 | hw_res->wbs[hw_wb->idx - WB_0] = phys_enc->intf_mode; |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 854 | hw_res->needs_cdm = phys_enc->needs_cdm; |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 855 | } |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 856 | |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 857 | /** |
| 858 | * sde_encoder_phys_wb_needs_ctl_start - Whether encoder needs ctl_start |
| 859 | * @phys_enc: Pointer to physical encoder |
| 860 | * @Return: Whether encoder needs ctl_start |
| 861 | */ |
| 862 | static bool sde_encoder_phys_wb_needs_ctl_start( |
| 863 | struct sde_encoder_phys *phys_enc) |
| 864 | { |
| 865 | return true; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 866 | } |
| 867 | |
| 868 | #ifdef CONFIG_DEBUG_FS |
| 869 | /** |
| 870 | * sde_encoder_phys_wb_init_debugfs - initialize writeback encoder debugfs |
| 871 | * @phys_enc: Pointer to physical encoder |
| 872 | * @sde_kms: Pointer to SDE KMS object |
| 873 | */ |
| 874 | static int sde_encoder_phys_wb_init_debugfs( |
| 875 | struct sde_encoder_phys *phys_enc, struct sde_kms *kms) |
| 876 | { |
| 877 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 878 | |
| 879 | if (!phys_enc || !kms || !wb_enc->hw_wb) |
| 880 | return -EINVAL; |
| 881 | |
| 882 | snprintf(wb_enc->wb_name, ARRAY_SIZE(wb_enc->wb_name), "encoder_wb%d", |
| 883 | wb_enc->hw_wb->idx - WB_0); |
| 884 | |
| 885 | wb_enc->debugfs_root = |
| 886 | debugfs_create_dir(wb_enc->wb_name, |
| 887 | sde_debugfs_get_root(kms)); |
| 888 | if (!wb_enc->debugfs_root) { |
| 889 | SDE_ERROR("failed to create debugfs\n"); |
| 890 | return -ENOMEM; |
| 891 | } |
| 892 | |
| 893 | if (!debugfs_create_u32("wbdone_timeout", 0644, |
| 894 | wb_enc->debugfs_root, &wb_enc->wbdone_timeout)) { |
| 895 | SDE_ERROR("failed to create debugfs/wbdone_timeout\n"); |
| 896 | return -ENOMEM; |
| 897 | } |
| 898 | |
| 899 | if (!debugfs_create_u32("bypass_irqreg", 0644, |
| 900 | wb_enc->debugfs_root, &wb_enc->bypass_irqreg)) { |
| 901 | SDE_ERROR("failed to create debugfs/bypass_irqreg\n"); |
| 902 | return -ENOMEM; |
| 903 | } |
| 904 | |
| 905 | return 0; |
| 906 | } |
| 907 | |
| 908 | /** |
| 909 | * sde_encoder_phys_wb_destroy_debugfs - destroy writeback encoder debugfs |
| 910 | * @phys_enc: Pointer to physical encoder |
| 911 | */ |
| 912 | static void sde_encoder_phys_wb_destroy_debugfs( |
| 913 | struct sde_encoder_phys *phys_enc) |
| 914 | { |
| 915 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 916 | |
| 917 | if (!phys_enc) |
| 918 | return; |
| 919 | |
| 920 | debugfs_remove_recursive(wb_enc->debugfs_root); |
| 921 | } |
| 922 | #else |
| 923 | static void sde_encoder_phys_wb_init_debugfs( |
| 924 | struct sde_encoder_phys *phys_enc, struct sde_kms *kms) |
| 925 | { |
| 926 | } |
| 927 | static void sde_encoder_phys_wb_destroy_debugfs( |
| 928 | struct sde_encoder_phys *phys_enc) |
| 929 | { |
| 930 | } |
| 931 | #endif |
| 932 | |
| 933 | /** |
| 934 | * sde_encoder_phys_wb_destroy - destroy writeback encoder |
| 935 | * @phys_enc: Pointer to physical encoder |
| 936 | */ |
| 937 | static void sde_encoder_phys_wb_destroy(struct sde_encoder_phys *phys_enc) |
| 938 | { |
| 939 | struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| 940 | struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| 941 | |
| 942 | SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| 943 | |
| 944 | if (!phys_enc) |
| 945 | return; |
| 946 | |
| 947 | sde_encoder_phys_wb_destroy_debugfs(phys_enc); |
| 948 | |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 949 | kfree(wb_enc); |
| 950 | } |
| 951 | |
| 952 | /** |
| 953 | * sde_encoder_phys_wb_init_ops - initialize writeback operations |
| 954 | * @ops: Pointer to encoder operation table |
| 955 | */ |
| 956 | static void sde_encoder_phys_wb_init_ops(struct sde_encoder_phys_ops *ops) |
| 957 | { |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 958 | ops->is_master = sde_encoder_phys_wb_is_master; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 959 | ops->mode_set = sde_encoder_phys_wb_mode_set; |
| 960 | ops->enable = sde_encoder_phys_wb_enable; |
| 961 | ops->disable = sde_encoder_phys_wb_disable; |
| 962 | ops->destroy = sde_encoder_phys_wb_destroy; |
| 963 | ops->atomic_check = sde_encoder_phys_wb_atomic_check; |
| 964 | ops->get_hw_resources = sde_encoder_phys_wb_get_hw_resources; |
| 965 | ops->control_vblank_irq = sde_encoder_phys_wb_control_vblank_irq; |
| 966 | ops->wait_for_commit_done = sde_encoder_phys_wb_wait_for_commit_done; |
| 967 | ops->prepare_for_kickoff = sde_encoder_phys_wb_prepare_for_kickoff; |
| 968 | ops->handle_post_kickoff = sde_encoder_phys_wb_handle_post_kickoff; |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 969 | ops->needs_ctl_start = sde_encoder_phys_wb_needs_ctl_start; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 970 | } |
| 971 | |
| 972 | /** |
| 973 | * sde_encoder_phys_wb_init - initialize writeback encoder |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 974 | * @init: Pointer to init info structure with initialization params |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 975 | */ |
| 976 | struct sde_encoder_phys *sde_encoder_phys_wb_init( |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 977 | struct sde_enc_phys_init_params *p) |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 978 | { |
| 979 | struct sde_encoder_phys *phys_enc; |
| 980 | struct sde_encoder_phys_wb *wb_enc; |
| 981 | struct sde_hw_mdp *hw_mdp; |
| 982 | int ret = 0; |
| 983 | |
| 984 | SDE_DEBUG("\n"); |
| 985 | |
| 986 | wb_enc = kzalloc(sizeof(*wb_enc), GFP_KERNEL); |
| 987 | if (!wb_enc) { |
| 988 | ret = -ENOMEM; |
| 989 | goto fail_alloc; |
| 990 | } |
| 991 | wb_enc->irq_idx = -EINVAL; |
| 992 | wb_enc->wbdone_timeout = WAIT_TIMEOUT_MSEC; |
| 993 | init_completion(&wb_enc->wbdone_complete); |
| 994 | |
| 995 | phys_enc = &wb_enc->base; |
| 996 | |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 997 | if (p->sde_kms->vbif[VBIF_NRT]) { |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 998 | wb_enc->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE] = |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 999 | p->sde_kms->mmu_id[MSM_SMMU_DOMAIN_NRT_UNSECURE]; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1000 | wb_enc->mmu_id[SDE_IOMMU_DOMAIN_SECURE] = |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 1001 | p->sde_kms->mmu_id[MSM_SMMU_DOMAIN_NRT_SECURE]; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1002 | } else { |
| 1003 | wb_enc->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE] = |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 1004 | p->sde_kms->mmu_id[MSM_SMMU_DOMAIN_UNSECURE]; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1005 | wb_enc->mmu_id[SDE_IOMMU_DOMAIN_SECURE] = |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 1006 | p->sde_kms->mmu_id[MSM_SMMU_DOMAIN_SECURE]; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1007 | } |
| 1008 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 1009 | hw_mdp = sde_rm_get_mdp(&p->sde_kms->rm); |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1010 | if (IS_ERR_OR_NULL(hw_mdp)) { |
| 1011 | ret = PTR_ERR(hw_mdp); |
| 1012 | SDE_ERROR("failed to init hw_top: %d\n", ret); |
| 1013 | goto fail_mdp_init; |
| 1014 | } |
| 1015 | phys_enc->hw_mdptop = hw_mdp; |
| 1016 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 1017 | /** |
| 1018 | * hw_wb resource permanently assigned to this encoder |
| 1019 | * Other resources allocated at atomic commit time by use case |
| 1020 | */ |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 1021 | if (p->wb_idx != SDE_NONE) { |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 1022 | struct sde_rm_hw_iter iter; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1023 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 1024 | sde_rm_init_hw_iter(&iter, 0, SDE_HW_BLK_WB); |
| 1025 | while (sde_rm_get_hw(&p->sde_kms->rm, &iter)) { |
| 1026 | struct sde_hw_wb *hw_wb = (struct sde_hw_wb *)iter.hw; |
| 1027 | |
| 1028 | if (hw_wb->idx == p->wb_idx) { |
| 1029 | wb_enc->hw_wb = hw_wb; |
| 1030 | break; |
| 1031 | } |
| 1032 | } |
| 1033 | |
| 1034 | if (!wb_enc->hw_wb) { |
| 1035 | ret = -EINVAL; |
| 1036 | SDE_ERROR("failed to init hw_wb%d\n", p->wb_idx - WB_0); |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1037 | goto fail_wb_init; |
| 1038 | } |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1039 | } else { |
| 1040 | ret = -EINVAL; |
| 1041 | SDE_ERROR("invalid wb_idx\n"); |
| 1042 | goto fail_wb_check; |
| 1043 | } |
| 1044 | |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1045 | sde_encoder_phys_wb_init_ops(&phys_enc->ops); |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 1046 | phys_enc->parent = p->parent; |
| 1047 | phys_enc->parent_ops = p->parent_ops; |
| 1048 | phys_enc->sde_kms = p->sde_kms; |
| 1049 | phys_enc->split_role = p->split_role; |
Clarence Ip | 0352198 | 2016-08-26 10:49:47 -0400 | [diff] [blame] | 1050 | phys_enc->intf_mode = INTF_MODE_WB_LINE; |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1051 | spin_lock_init(&phys_enc->spin_lock); |
| 1052 | |
Lloyd Atkinson | 6ef6cb5 | 2016-07-06 11:49:18 -0400 | [diff] [blame] | 1053 | ret = sde_encoder_phys_wb_init_debugfs(phys_enc, p->sde_kms); |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1054 | if (ret) { |
| 1055 | SDE_ERROR("failed to init debugfs %d\n", ret); |
| 1056 | goto fail_debugfs_init; |
| 1057 | } |
| 1058 | |
| 1059 | SDE_DEBUG("Created sde_encoder_phys_wb for wb %d\n", |
| 1060 | wb_enc->hw_wb->idx - WB_0); |
| 1061 | |
| 1062 | return phys_enc; |
| 1063 | |
| 1064 | fail_debugfs_init: |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1065 | fail_wb_init: |
| 1066 | fail_wb_check: |
Alan Kwong | bb27c09 | 2016-07-20 16:41:25 -0400 | [diff] [blame] | 1067 | fail_mdp_init: |
| 1068 | kfree(wb_enc); |
| 1069 | fail_alloc: |
| 1070 | return ERR_PTR(ret); |
| 1071 | } |
| 1072 | |