Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 Red Hat |
| 3 | * Author: Rob Clark <robdclark@gmail.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 as published by |
| 7 | * the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "mdp4_kms.h" |
| 19 | |
| 20 | #include <drm/drm_mode.h> |
| 21 | #include "drm_crtc.h" |
| 22 | #include "drm_crtc_helper.h" |
| 23 | #include "drm_flip_work.h" |
| 24 | |
| 25 | struct mdp4_crtc { |
| 26 | struct drm_crtc base; |
| 27 | char name[8]; |
| 28 | struct drm_plane *plane; |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 29 | struct drm_plane *planes[8]; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 30 | int id; |
| 31 | int ovlp; |
| 32 | enum mdp4_dma dma; |
| 33 | bool enabled; |
| 34 | |
| 35 | /* which mixer/encoder we route output to: */ |
| 36 | int mixer; |
| 37 | |
| 38 | struct { |
| 39 | spinlock_t lock; |
| 40 | bool stale; |
| 41 | uint32_t width, height; |
Rob Clark | aa1b0e5 | 2013-12-13 10:49:25 -0500 | [diff] [blame] | 42 | uint32_t x, y; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 43 | |
| 44 | /* next cursor to scan-out: */ |
| 45 | uint32_t next_iova; |
| 46 | struct drm_gem_object *next_bo; |
| 47 | |
| 48 | /* current cursor being scanned out: */ |
| 49 | struct drm_gem_object *scanout_bo; |
| 50 | } cursor; |
| 51 | |
| 52 | |
| 53 | /* if there is a pending flip, these will be non-null: */ |
| 54 | struct drm_pending_vblank_event *event; |
Rob Clark | edd4fc6 | 2013-09-14 14:01:55 -0400 | [diff] [blame] | 55 | struct msm_fence_cb pageflip_cb; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 56 | |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 57 | #define PENDING_CURSOR 0x1 |
| 58 | #define PENDING_FLIP 0x2 |
| 59 | atomic_t pending; |
| 60 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 61 | /* the fb that we logically (from PoV of KMS API) hold a ref |
| 62 | * to. Which we may not yet be scanning out (we may still |
| 63 | * be scanning out previous in case of page_flip while waiting |
| 64 | * for gpu rendering to complete: |
| 65 | */ |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 66 | struct drm_framebuffer *fb; |
| 67 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 68 | /* the fb that we currently hold a scanout ref to: */ |
| 69 | struct drm_framebuffer *scanout_fb; |
| 70 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 71 | /* for unref'ing framebuffers after scanout completes: */ |
| 72 | struct drm_flip_work unref_fb_work; |
| 73 | |
| 74 | /* for unref'ing cursor bo's after scanout completes: */ |
| 75 | struct drm_flip_work unref_cursor_work; |
| 76 | |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 77 | struct mdp_irq vblank; |
| 78 | struct mdp_irq err; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 79 | }; |
| 80 | #define to_mdp4_crtc(x) container_of(x, struct mdp4_crtc, base) |
| 81 | |
| 82 | static struct mdp4_kms *get_kms(struct drm_crtc *crtc) |
| 83 | { |
| 84 | struct msm_drm_private *priv = crtc->dev->dev_private; |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 85 | return to_mdp4_kms(to_mdp_kms(priv->kms)); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 86 | } |
| 87 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 88 | static void request_pending(struct drm_crtc *crtc, uint32_t pending) |
| 89 | { |
| 90 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 91 | |
| 92 | atomic_or(pending, &mdp4_crtc->pending); |
| 93 | mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); |
| 94 | } |
| 95 | |
| 96 | static void crtc_flush(struct drm_crtc *crtc) |
| 97 | { |
| 98 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 99 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
| 100 | uint32_t i, flush = 0; |
| 101 | |
| 102 | for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { |
| 103 | struct drm_plane *plane = mdp4_crtc->planes[i]; |
| 104 | if (plane) { |
| 105 | enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); |
| 106 | flush |= pipe2flush(pipe_id); |
| 107 | } |
| 108 | } |
| 109 | flush |= ovlp2flush(mdp4_crtc->ovlp); |
| 110 | |
| 111 | DBG("%s: flush=%08x", mdp4_crtc->name, flush); |
| 112 | |
| 113 | mdp4_write(mdp4_kms, REG_MDP4_OVERLAY_FLUSH, flush); |
| 114 | } |
| 115 | |
| 116 | static void update_fb(struct drm_crtc *crtc, struct drm_framebuffer *new_fb) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 117 | { |
| 118 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 119 | struct drm_framebuffer *old_fb = mdp4_crtc->fb; |
| 120 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 121 | /* grab reference to incoming scanout fb: */ |
| 122 | drm_framebuffer_reference(new_fb); |
| 123 | mdp4_crtc->base.fb = new_fb; |
| 124 | mdp4_crtc->fb = new_fb; |
| 125 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 126 | if (old_fb) |
| 127 | drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb); |
| 128 | } |
| 129 | |
| 130 | /* unlike update_fb(), take a ref to the new scanout fb *before* updating |
| 131 | * plane, then call this. Needed to ensure we don't unref the buffer that |
| 132 | * is actually still being scanned out. |
| 133 | * |
| 134 | * Note that this whole thing goes away with atomic.. since we can defer |
| 135 | * calling into driver until rendering is done. |
| 136 | */ |
| 137 | static void update_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb) |
| 138 | { |
| 139 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 140 | |
| 141 | /* flush updates, to make sure hw is updated to new scanout fb, |
| 142 | * so that we can safely queue unref to current fb (ie. next |
| 143 | * vblank we know hw is done w/ previous scanout_fb). |
| 144 | */ |
| 145 | crtc_flush(crtc); |
| 146 | |
| 147 | if (mdp4_crtc->scanout_fb) |
| 148 | drm_flip_work_queue(&mdp4_crtc->unref_fb_work, |
| 149 | mdp4_crtc->scanout_fb); |
| 150 | |
| 151 | mdp4_crtc->scanout_fb = fb; |
| 152 | |
| 153 | /* enable vblank to complete flip: */ |
| 154 | request_pending(crtc, PENDING_FLIP); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 155 | } |
| 156 | |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 157 | /* if file!=NULL, this is preclose potential cancel-flip path */ |
| 158 | static void complete_flip(struct drm_crtc *crtc, struct drm_file *file) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 159 | { |
| 160 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 161 | struct drm_device *dev = crtc->dev; |
| 162 | struct drm_pending_vblank_event *event; |
| 163 | unsigned long flags; |
| 164 | |
| 165 | spin_lock_irqsave(&dev->event_lock, flags); |
| 166 | event = mdp4_crtc->event; |
| 167 | if (event) { |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 168 | /* if regular vblank case (!file) or if cancel-flip from |
| 169 | * preclose on file that requested flip, then send the |
| 170 | * event: |
| 171 | */ |
| 172 | if (!file || (event->base.file_priv == file)) { |
| 173 | mdp4_crtc->event = NULL; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 174 | drm_send_vblank_event(dev, mdp4_crtc->id, event); |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 175 | } |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 176 | } |
| 177 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 178 | } |
| 179 | |
Rob Clark | edd4fc6 | 2013-09-14 14:01:55 -0400 | [diff] [blame] | 180 | static void pageflip_cb(struct msm_fence_cb *cb) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 181 | { |
| 182 | struct mdp4_crtc *mdp4_crtc = |
Rob Clark | edd4fc6 | 2013-09-14 14:01:55 -0400 | [diff] [blame] | 183 | container_of(cb, struct mdp4_crtc, pageflip_cb); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 184 | struct drm_crtc *crtc = &mdp4_crtc->base; |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 185 | struct drm_framebuffer *fb = crtc->fb; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 186 | |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 187 | if (!fb) |
| 188 | return; |
| 189 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 190 | drm_framebuffer_reference(fb); |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 191 | mdp4_plane_set_scanout(mdp4_crtc->plane, fb); |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 192 | update_scanout(crtc, fb); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 193 | } |
| 194 | |
| 195 | static void unref_fb_worker(struct drm_flip_work *work, void *val) |
| 196 | { |
| 197 | struct mdp4_crtc *mdp4_crtc = |
| 198 | container_of(work, struct mdp4_crtc, unref_fb_work); |
| 199 | struct drm_device *dev = mdp4_crtc->base.dev; |
| 200 | |
| 201 | mutex_lock(&dev->mode_config.mutex); |
| 202 | drm_framebuffer_unreference(val); |
| 203 | mutex_unlock(&dev->mode_config.mutex); |
| 204 | } |
| 205 | |
| 206 | static void unref_cursor_worker(struct drm_flip_work *work, void *val) |
| 207 | { |
| 208 | struct mdp4_crtc *mdp4_crtc = |
| 209 | container_of(work, struct mdp4_crtc, unref_cursor_work); |
| 210 | struct mdp4_kms *mdp4_kms = get_kms(&mdp4_crtc->base); |
| 211 | |
| 212 | msm_gem_put_iova(val, mdp4_kms->id); |
| 213 | drm_gem_object_unreference_unlocked(val); |
| 214 | } |
| 215 | |
| 216 | static void mdp4_crtc_destroy(struct drm_crtc *crtc) |
| 217 | { |
| 218 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 219 | |
| 220 | mdp4_crtc->plane->funcs->destroy(mdp4_crtc->plane); |
| 221 | |
| 222 | drm_crtc_cleanup(crtc); |
| 223 | drm_flip_work_cleanup(&mdp4_crtc->unref_fb_work); |
| 224 | drm_flip_work_cleanup(&mdp4_crtc->unref_cursor_work); |
| 225 | |
| 226 | kfree(mdp4_crtc); |
| 227 | } |
| 228 | |
| 229 | static void mdp4_crtc_dpms(struct drm_crtc *crtc, int mode) |
| 230 | { |
| 231 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 232 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
| 233 | bool enabled = (mode == DRM_MODE_DPMS_ON); |
| 234 | |
| 235 | DBG("%s: mode=%d", mdp4_crtc->name, mode); |
| 236 | |
| 237 | if (enabled != mdp4_crtc->enabled) { |
| 238 | if (enabled) { |
| 239 | mdp4_enable(mdp4_kms); |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 240 | mdp_irq_register(&mdp4_kms->base, &mdp4_crtc->err); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 241 | } else { |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 242 | mdp_irq_unregister(&mdp4_kms->base, &mdp4_crtc->err); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 243 | mdp4_disable(mdp4_kms); |
| 244 | } |
| 245 | mdp4_crtc->enabled = enabled; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | static bool mdp4_crtc_mode_fixup(struct drm_crtc *crtc, |
| 250 | const struct drm_display_mode *mode, |
| 251 | struct drm_display_mode *adjusted_mode) |
| 252 | { |
| 253 | return true; |
| 254 | } |
| 255 | |
| 256 | static void blend_setup(struct drm_crtc *crtc) |
| 257 | { |
| 258 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 259 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
| 260 | int i, ovlp = mdp4_crtc->ovlp; |
| 261 | uint32_t mixer_cfg = 0; |
Rob Clark | facb4f4 | 2013-11-30 12:45:48 -0500 | [diff] [blame] | 262 | static const enum mdp_mixer_stage_id stages[] = { |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 263 | STAGE_BASE, STAGE0, STAGE1, STAGE2, STAGE3, |
| 264 | }; |
| 265 | /* statically (for now) map planes to mixer stage (z-order): */ |
| 266 | static const int idxs[] = { |
| 267 | [VG1] = 1, |
| 268 | [VG2] = 2, |
| 269 | [RGB1] = 0, |
| 270 | [RGB2] = 0, |
| 271 | [RGB3] = 0, |
| 272 | [VG3] = 3, |
| 273 | [VG4] = 4, |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 274 | |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 275 | }; |
| 276 | bool alpha[4]= { false, false, false, false }; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 277 | |
| 278 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_LOW0(ovlp), 0); |
| 279 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_LOW1(ovlp), 0); |
| 280 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH0(ovlp), 0); |
| 281 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH1(ovlp), 0); |
| 282 | |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 283 | /* TODO single register for all CRTCs, so this won't work properly |
| 284 | * when multiple CRTCs are active.. |
| 285 | */ |
| 286 | for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { |
| 287 | struct drm_plane *plane = mdp4_crtc->planes[i]; |
| 288 | if (plane) { |
| 289 | enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); |
| 290 | int idx = idxs[pipe_id]; |
| 291 | if (idx > 0) { |
Rob Clark | 10a02eb | 2013-11-30 14:58:23 -0500 | [diff] [blame] | 292 | const struct mdp_format *format = |
| 293 | to_mdp_format(msm_framebuffer_format(plane->fb)); |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 294 | alpha[idx-1] = format->alpha_enable; |
| 295 | } |
| 296 | mixer_cfg |= mixercfg(mdp4_crtc->mixer, pipe_id, stages[idx]); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | /* this shouldn't happen.. and seems to cause underflow: */ |
| 301 | WARN_ON(!mixer_cfg); |
| 302 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 303 | for (i = 0; i < 4; i++) { |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 304 | uint32_t op; |
| 305 | |
| 306 | if (alpha[i]) { |
| 307 | op = MDP4_OVLP_STAGE_OP_FG_ALPHA(FG_PIXEL) | |
| 308 | MDP4_OVLP_STAGE_OP_BG_ALPHA(FG_PIXEL) | |
| 309 | MDP4_OVLP_STAGE_OP_BG_INV_ALPHA; |
| 310 | } else { |
| 311 | op = MDP4_OVLP_STAGE_OP_FG_ALPHA(FG_CONST) | |
| 312 | MDP4_OVLP_STAGE_OP_BG_ALPHA(BG_CONST); |
| 313 | } |
| 314 | |
| 315 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_FG_ALPHA(ovlp, i), 0xff); |
| 316 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_BG_ALPHA(ovlp, i), 0x00); |
| 317 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_OP(ovlp, i), op); |
| 318 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_CO3(ovlp, i), 1); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 319 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_LOW0(ovlp, i), 0); |
| 320 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_LOW1(ovlp, i), 0); |
| 321 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_HIGH0(ovlp, i), 0); |
| 322 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_HIGH1(ovlp, i), 0); |
| 323 | } |
| 324 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 325 | mdp4_write(mdp4_kms, REG_MDP4_LAYERMIXER_IN_CFG, mixer_cfg); |
| 326 | } |
| 327 | |
| 328 | static int mdp4_crtc_mode_set(struct drm_crtc *crtc, |
| 329 | struct drm_display_mode *mode, |
| 330 | struct drm_display_mode *adjusted_mode, |
| 331 | int x, int y, |
| 332 | struct drm_framebuffer *old_fb) |
| 333 | { |
| 334 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 335 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
| 336 | enum mdp4_dma dma = mdp4_crtc->dma; |
| 337 | int ret, ovlp = mdp4_crtc->ovlp; |
| 338 | |
| 339 | mode = adjusted_mode; |
| 340 | |
| 341 | DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", |
| 342 | mdp4_crtc->name, mode->base.id, mode->name, |
| 343 | mode->vrefresh, mode->clock, |
| 344 | mode->hdisplay, mode->hsync_start, |
| 345 | mode->hsync_end, mode->htotal, |
| 346 | mode->vdisplay, mode->vsync_start, |
| 347 | mode->vsync_end, mode->vtotal, |
| 348 | mode->type, mode->flags); |
| 349 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 350 | /* grab extra ref for update_scanout() */ |
| 351 | drm_framebuffer_reference(crtc->fb); |
| 352 | |
| 353 | ret = mdp4_plane_mode_set(mdp4_crtc->plane, crtc, crtc->fb, |
| 354 | 0, 0, mode->hdisplay, mode->vdisplay, |
| 355 | x << 16, y << 16, |
| 356 | mode->hdisplay << 16, mode->vdisplay << 16); |
| 357 | if (ret) { |
| 358 | drm_framebuffer_unreference(crtc->fb); |
| 359 | dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", |
| 360 | mdp4_crtc->name, ret); |
| 361 | return ret; |
| 362 | } |
| 363 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 364 | mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_SIZE(dma), |
| 365 | MDP4_DMA_SRC_SIZE_WIDTH(mode->hdisplay) | |
| 366 | MDP4_DMA_SRC_SIZE_HEIGHT(mode->vdisplay)); |
| 367 | |
| 368 | /* take data from pipe: */ |
| 369 | mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_BASE(dma), 0); |
| 370 | mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_STRIDE(dma), |
| 371 | crtc->fb->pitches[0]); |
| 372 | mdp4_write(mdp4_kms, REG_MDP4_DMA_DST_SIZE(dma), |
| 373 | MDP4_DMA_DST_SIZE_WIDTH(0) | |
| 374 | MDP4_DMA_DST_SIZE_HEIGHT(0)); |
| 375 | |
| 376 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_BASE(ovlp), 0); |
| 377 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_SIZE(ovlp), |
| 378 | MDP4_OVLP_SIZE_WIDTH(mode->hdisplay) | |
| 379 | MDP4_OVLP_SIZE_HEIGHT(mode->vdisplay)); |
| 380 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_STRIDE(ovlp), |
| 381 | crtc->fb->pitches[0]); |
| 382 | |
| 383 | mdp4_write(mdp4_kms, REG_MDP4_OVLP_CFG(ovlp), 1); |
| 384 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 385 | if (dma == DMA_E) { |
| 386 | mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(0), 0x00ff0000); |
| 387 | mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(1), 0x00ff0000); |
| 388 | mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(2), 0x00ff0000); |
| 389 | } |
| 390 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 391 | update_fb(crtc, crtc->fb); |
| 392 | update_scanout(crtc, crtc->fb); |
| 393 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 394 | return 0; |
| 395 | } |
| 396 | |
| 397 | static void mdp4_crtc_prepare(struct drm_crtc *crtc) |
| 398 | { |
| 399 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 400 | DBG("%s", mdp4_crtc->name); |
| 401 | /* make sure we hold a ref to mdp clks while setting up mode: */ |
| 402 | mdp4_enable(get_kms(crtc)); |
| 403 | mdp4_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); |
| 404 | } |
| 405 | |
| 406 | static void mdp4_crtc_commit(struct drm_crtc *crtc) |
| 407 | { |
| 408 | mdp4_crtc_dpms(crtc, DRM_MODE_DPMS_ON); |
| 409 | crtc_flush(crtc); |
| 410 | /* drop the ref to mdp clk's that we got in prepare: */ |
| 411 | mdp4_disable(get_kms(crtc)); |
| 412 | } |
| 413 | |
| 414 | static int mdp4_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, |
| 415 | struct drm_framebuffer *old_fb) |
| 416 | { |
| 417 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 418 | struct drm_plane *plane = mdp4_crtc->plane; |
| 419 | struct drm_display_mode *mode = &crtc->mode; |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 420 | int ret; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 421 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 422 | /* grab extra ref for update_scanout() */ |
| 423 | drm_framebuffer_reference(crtc->fb); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 424 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 425 | ret = mdp4_plane_mode_set(plane, crtc, crtc->fb, |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 426 | 0, 0, mode->hdisplay, mode->vdisplay, |
| 427 | x << 16, y << 16, |
| 428 | mode->hdisplay << 16, mode->vdisplay << 16); |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 429 | if (ret) { |
| 430 | drm_framebuffer_unreference(crtc->fb); |
| 431 | return ret; |
| 432 | } |
| 433 | |
| 434 | update_fb(crtc, crtc->fb); |
| 435 | update_scanout(crtc, crtc->fb); |
| 436 | |
| 437 | return 0; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 438 | } |
| 439 | |
| 440 | static void mdp4_crtc_load_lut(struct drm_crtc *crtc) |
| 441 | { |
| 442 | } |
| 443 | |
| 444 | static int mdp4_crtc_page_flip(struct drm_crtc *crtc, |
| 445 | struct drm_framebuffer *new_fb, |
Keith Packard | ed8d197 | 2013-07-22 18:49:58 -0700 | [diff] [blame] | 446 | struct drm_pending_vblank_event *event, |
| 447 | uint32_t page_flip_flags) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 448 | { |
| 449 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 450 | struct drm_device *dev = crtc->dev; |
| 451 | struct drm_gem_object *obj; |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 452 | unsigned long flags; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 453 | |
| 454 | if (mdp4_crtc->event) { |
| 455 | dev_err(dev->dev, "already pending flip!\n"); |
| 456 | return -EBUSY; |
| 457 | } |
| 458 | |
| 459 | obj = msm_framebuffer_bo(new_fb, 0); |
| 460 | |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 461 | spin_lock_irqsave(&dev->event_lock, flags); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 462 | mdp4_crtc->event = event; |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 463 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 464 | |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 465 | update_fb(crtc, new_fb); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 466 | |
Rob Clark | edd4fc6 | 2013-09-14 14:01:55 -0400 | [diff] [blame] | 467 | return msm_gem_queue_inactive_cb(obj, &mdp4_crtc->pageflip_cb); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | static int mdp4_crtc_set_property(struct drm_crtc *crtc, |
| 471 | struct drm_property *property, uint64_t val) |
| 472 | { |
| 473 | // XXX |
| 474 | return -EINVAL; |
| 475 | } |
| 476 | |
| 477 | #define CURSOR_WIDTH 64 |
| 478 | #define CURSOR_HEIGHT 64 |
| 479 | |
| 480 | /* called from IRQ to update cursor related registers (if needed). The |
| 481 | * cursor registers, other than x/y position, appear not to be double |
| 482 | * buffered, and changing them other than from vblank seems to trigger |
| 483 | * underflow. |
| 484 | */ |
| 485 | static void update_cursor(struct drm_crtc *crtc) |
| 486 | { |
| 487 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
Rob Clark | aa1b0e5 | 2013-12-13 10:49:25 -0500 | [diff] [blame] | 488 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 489 | enum mdp4_dma dma = mdp4_crtc->dma; |
| 490 | unsigned long flags; |
| 491 | |
| 492 | spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); |
| 493 | if (mdp4_crtc->cursor.stale) { |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 494 | struct drm_gem_object *next_bo = mdp4_crtc->cursor.next_bo; |
| 495 | struct drm_gem_object *prev_bo = mdp4_crtc->cursor.scanout_bo; |
| 496 | uint32_t iova = mdp4_crtc->cursor.next_iova; |
| 497 | |
| 498 | if (next_bo) { |
| 499 | /* take a obj ref + iova ref when we start scanning out: */ |
| 500 | drm_gem_object_reference(next_bo); |
| 501 | msm_gem_get_iova_locked(next_bo, mdp4_kms->id, &iova); |
| 502 | |
| 503 | /* enable cursor: */ |
| 504 | mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_SIZE(dma), |
| 505 | MDP4_DMA_CURSOR_SIZE_WIDTH(mdp4_crtc->cursor.width) | |
| 506 | MDP4_DMA_CURSOR_SIZE_HEIGHT(mdp4_crtc->cursor.height)); |
| 507 | mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BASE(dma), iova); |
| 508 | mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BLEND_CONFIG(dma), |
| 509 | MDP4_DMA_CURSOR_BLEND_CONFIG_FORMAT(CURSOR_ARGB) | |
| 510 | MDP4_DMA_CURSOR_BLEND_CONFIG_CURSOR_EN); |
| 511 | } else { |
| 512 | /* disable cursor: */ |
| 513 | mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BASE(dma), 0); |
| 514 | mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BLEND_CONFIG(dma), |
| 515 | MDP4_DMA_CURSOR_BLEND_CONFIG_FORMAT(CURSOR_ARGB)); |
| 516 | } |
| 517 | |
| 518 | /* and drop the iova ref + obj rev when done scanning out: */ |
| 519 | if (prev_bo) |
| 520 | drm_flip_work_queue(&mdp4_crtc->unref_cursor_work, prev_bo); |
| 521 | |
| 522 | mdp4_crtc->cursor.scanout_bo = next_bo; |
| 523 | mdp4_crtc->cursor.stale = false; |
| 524 | } |
Rob Clark | aa1b0e5 | 2013-12-13 10:49:25 -0500 | [diff] [blame] | 525 | |
| 526 | mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_POS(dma), |
| 527 | MDP4_DMA_CURSOR_POS_X(mdp4_crtc->cursor.x) | |
| 528 | MDP4_DMA_CURSOR_POS_Y(mdp4_crtc->cursor.y)); |
| 529 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 530 | spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); |
| 531 | } |
| 532 | |
| 533 | static int mdp4_crtc_cursor_set(struct drm_crtc *crtc, |
| 534 | struct drm_file *file_priv, uint32_t handle, |
| 535 | uint32_t width, uint32_t height) |
| 536 | { |
| 537 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 538 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
| 539 | struct drm_device *dev = crtc->dev; |
| 540 | struct drm_gem_object *cursor_bo, *old_bo; |
| 541 | unsigned long flags; |
| 542 | uint32_t iova; |
| 543 | int ret; |
| 544 | |
| 545 | if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) { |
| 546 | dev_err(dev->dev, "bad cursor size: %dx%d\n", width, height); |
| 547 | return -EINVAL; |
| 548 | } |
| 549 | |
| 550 | if (handle) { |
| 551 | cursor_bo = drm_gem_object_lookup(dev, file_priv, handle); |
| 552 | if (!cursor_bo) |
| 553 | return -ENOENT; |
| 554 | } else { |
| 555 | cursor_bo = NULL; |
| 556 | } |
| 557 | |
| 558 | if (cursor_bo) { |
| 559 | ret = msm_gem_get_iova(cursor_bo, mdp4_kms->id, &iova); |
| 560 | if (ret) |
| 561 | goto fail; |
| 562 | } else { |
| 563 | iova = 0; |
| 564 | } |
| 565 | |
| 566 | spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); |
| 567 | old_bo = mdp4_crtc->cursor.next_bo; |
| 568 | mdp4_crtc->cursor.next_bo = cursor_bo; |
| 569 | mdp4_crtc->cursor.next_iova = iova; |
| 570 | mdp4_crtc->cursor.width = width; |
| 571 | mdp4_crtc->cursor.height = height; |
| 572 | mdp4_crtc->cursor.stale = true; |
| 573 | spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); |
| 574 | |
| 575 | if (old_bo) { |
| 576 | /* drop our previous reference: */ |
| 577 | msm_gem_put_iova(old_bo, mdp4_kms->id); |
| 578 | drm_gem_object_unreference_unlocked(old_bo); |
| 579 | } |
| 580 | |
Rob Clark | aa1b0e5 | 2013-12-13 10:49:25 -0500 | [diff] [blame] | 581 | crtc_flush(crtc); |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 582 | request_pending(crtc, PENDING_CURSOR); |
| 583 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 584 | return 0; |
| 585 | |
| 586 | fail: |
| 587 | drm_gem_object_unreference_unlocked(cursor_bo); |
| 588 | return ret; |
| 589 | } |
| 590 | |
| 591 | static int mdp4_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) |
| 592 | { |
| 593 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
Rob Clark | aa1b0e5 | 2013-12-13 10:49:25 -0500 | [diff] [blame] | 594 | unsigned long flags; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 595 | |
Rob Clark | aa1b0e5 | 2013-12-13 10:49:25 -0500 | [diff] [blame] | 596 | spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); |
| 597 | mdp4_crtc->cursor.x = x; |
| 598 | mdp4_crtc->cursor.y = y; |
| 599 | spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); |
| 600 | |
| 601 | crtc_flush(crtc); |
| 602 | request_pending(crtc, PENDING_CURSOR); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 603 | |
| 604 | return 0; |
| 605 | } |
| 606 | |
| 607 | static const struct drm_crtc_funcs mdp4_crtc_funcs = { |
| 608 | .set_config = drm_crtc_helper_set_config, |
| 609 | .destroy = mdp4_crtc_destroy, |
| 610 | .page_flip = mdp4_crtc_page_flip, |
| 611 | .set_property = mdp4_crtc_set_property, |
| 612 | .cursor_set = mdp4_crtc_cursor_set, |
| 613 | .cursor_move = mdp4_crtc_cursor_move, |
| 614 | }; |
| 615 | |
| 616 | static const struct drm_crtc_helper_funcs mdp4_crtc_helper_funcs = { |
| 617 | .dpms = mdp4_crtc_dpms, |
| 618 | .mode_fixup = mdp4_crtc_mode_fixup, |
| 619 | .mode_set = mdp4_crtc_mode_set, |
| 620 | .prepare = mdp4_crtc_prepare, |
| 621 | .commit = mdp4_crtc_commit, |
| 622 | .mode_set_base = mdp4_crtc_mode_set_base, |
| 623 | .load_lut = mdp4_crtc_load_lut, |
| 624 | }; |
| 625 | |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 626 | static void mdp4_crtc_vblank_irq(struct mdp_irq *irq, uint32_t irqstatus) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 627 | { |
| 628 | struct mdp4_crtc *mdp4_crtc = container_of(irq, struct mdp4_crtc, vblank); |
| 629 | struct drm_crtc *crtc = &mdp4_crtc->base; |
| 630 | struct msm_drm_private *priv = crtc->dev->dev_private; |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 631 | unsigned pending; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 632 | |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 633 | mdp_irq_unregister(&get_kms(crtc)->base, &mdp4_crtc->vblank); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 634 | |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 635 | pending = atomic_xchg(&mdp4_crtc->pending, 0); |
| 636 | |
| 637 | if (pending & PENDING_FLIP) { |
| 638 | complete_flip(crtc, NULL); |
| 639 | drm_flip_work_commit(&mdp4_crtc->unref_fb_work, priv->wq); |
| 640 | } |
| 641 | |
| 642 | if (pending & PENDING_CURSOR) { |
| 643 | update_cursor(crtc); |
| 644 | drm_flip_work_commit(&mdp4_crtc->unref_cursor_work, priv->wq); |
| 645 | } |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 646 | } |
| 647 | |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 648 | static void mdp4_crtc_err_irq(struct mdp_irq *irq, uint32_t irqstatus) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 649 | { |
| 650 | struct mdp4_crtc *mdp4_crtc = container_of(irq, struct mdp4_crtc, err); |
| 651 | struct drm_crtc *crtc = &mdp4_crtc->base; |
| 652 | DBG("%s: error: %08x", mdp4_crtc->name, irqstatus); |
| 653 | crtc_flush(crtc); |
| 654 | } |
| 655 | |
| 656 | uint32_t mdp4_crtc_vblank(struct drm_crtc *crtc) |
| 657 | { |
| 658 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 659 | return mdp4_crtc->vblank.irqmask; |
| 660 | } |
| 661 | |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 662 | void mdp4_crtc_cancel_pending_flip(struct drm_crtc *crtc, struct drm_file *file) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 663 | { |
Rob Clark | 2a2b8fa | 2013-10-29 12:05:20 -0400 | [diff] [blame] | 664 | DBG("cancel: %p", file); |
| 665 | complete_flip(crtc, file); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 666 | } |
| 667 | |
| 668 | /* set dma config, ie. the format the encoder wants. */ |
| 669 | void mdp4_crtc_set_config(struct drm_crtc *crtc, uint32_t config) |
| 670 | { |
| 671 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 672 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
| 673 | |
| 674 | mdp4_write(mdp4_kms, REG_MDP4_DMA_CONFIG(mdp4_crtc->dma), config); |
| 675 | } |
| 676 | |
| 677 | /* set interface for routing crtc->encoder: */ |
| 678 | void mdp4_crtc_set_intf(struct drm_crtc *crtc, enum mdp4_intf intf) |
| 679 | { |
| 680 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 681 | struct mdp4_kms *mdp4_kms = get_kms(crtc); |
| 682 | uint32_t intf_sel; |
| 683 | |
| 684 | intf_sel = mdp4_read(mdp4_kms, REG_MDP4_DISP_INTF_SEL); |
| 685 | |
| 686 | switch (mdp4_crtc->dma) { |
| 687 | case DMA_P: |
| 688 | intf_sel &= ~MDP4_DISP_INTF_SEL_PRIM__MASK; |
| 689 | intf_sel |= MDP4_DISP_INTF_SEL_PRIM(intf); |
| 690 | break; |
| 691 | case DMA_S: |
| 692 | intf_sel &= ~MDP4_DISP_INTF_SEL_SEC__MASK; |
| 693 | intf_sel |= MDP4_DISP_INTF_SEL_SEC(intf); |
| 694 | break; |
| 695 | case DMA_E: |
| 696 | intf_sel &= ~MDP4_DISP_INTF_SEL_EXT__MASK; |
| 697 | intf_sel |= MDP4_DISP_INTF_SEL_EXT(intf); |
| 698 | break; |
| 699 | } |
| 700 | |
| 701 | if (intf == INTF_DSI_VIDEO) { |
| 702 | intf_sel &= ~MDP4_DISP_INTF_SEL_DSI_CMD; |
| 703 | intf_sel |= MDP4_DISP_INTF_SEL_DSI_VIDEO; |
| 704 | mdp4_crtc->mixer = 0; |
| 705 | } else if (intf == INTF_DSI_CMD) { |
| 706 | intf_sel &= ~MDP4_DISP_INTF_SEL_DSI_VIDEO; |
| 707 | intf_sel |= MDP4_DISP_INTF_SEL_DSI_CMD; |
| 708 | mdp4_crtc->mixer = 0; |
| 709 | } else if (intf == INTF_LCDC_DTV){ |
| 710 | mdp4_crtc->mixer = 1; |
| 711 | } |
| 712 | |
| 713 | blend_setup(crtc); |
| 714 | |
| 715 | DBG("%s: intf_sel=%08x", mdp4_crtc->name, intf_sel); |
| 716 | |
| 717 | mdp4_write(mdp4_kms, REG_MDP4_DISP_INTF_SEL, intf_sel); |
| 718 | } |
| 719 | |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 720 | static void set_attach(struct drm_crtc *crtc, enum mdp4_pipe pipe_id, |
| 721 | struct drm_plane *plane) |
| 722 | { |
| 723 | struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); |
| 724 | |
| 725 | BUG_ON(pipe_id >= ARRAY_SIZE(mdp4_crtc->planes)); |
| 726 | |
| 727 | if (mdp4_crtc->planes[pipe_id] == plane) |
| 728 | return; |
| 729 | |
| 730 | mdp4_crtc->planes[pipe_id] = plane; |
| 731 | blend_setup(crtc); |
| 732 | if (mdp4_crtc->enabled && (plane != mdp4_crtc->plane)) |
| 733 | crtc_flush(crtc); |
| 734 | } |
| 735 | |
| 736 | void mdp4_crtc_attach(struct drm_crtc *crtc, struct drm_plane *plane) |
| 737 | { |
| 738 | set_attach(crtc, mdp4_plane_pipe(plane), plane); |
| 739 | } |
| 740 | |
| 741 | void mdp4_crtc_detach(struct drm_crtc *crtc, struct drm_plane *plane) |
| 742 | { |
| 743 | set_attach(crtc, mdp4_plane_pipe(plane), NULL); |
| 744 | } |
| 745 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 746 | static const char *dma_names[] = { |
| 747 | "DMA_P", "DMA_S", "DMA_E", |
| 748 | }; |
| 749 | |
| 750 | /* initialize crtc */ |
| 751 | struct drm_crtc *mdp4_crtc_init(struct drm_device *dev, |
| 752 | struct drm_plane *plane, int id, int ovlp_id, |
| 753 | enum mdp4_dma dma_id) |
| 754 | { |
| 755 | struct drm_crtc *crtc = NULL; |
| 756 | struct mdp4_crtc *mdp4_crtc; |
| 757 | int ret; |
| 758 | |
| 759 | mdp4_crtc = kzalloc(sizeof(*mdp4_crtc), GFP_KERNEL); |
| 760 | if (!mdp4_crtc) { |
| 761 | ret = -ENOMEM; |
| 762 | goto fail; |
| 763 | } |
| 764 | |
| 765 | crtc = &mdp4_crtc->base; |
| 766 | |
| 767 | mdp4_crtc->plane = plane; |
Rob Clark | b69720c | 2013-12-13 10:41:07 -0500 | [diff] [blame] | 768 | mdp4_crtc->id = id; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 769 | |
| 770 | mdp4_crtc->ovlp = ovlp_id; |
| 771 | mdp4_crtc->dma = dma_id; |
| 772 | |
| 773 | mdp4_crtc->vblank.irqmask = dma2irq(mdp4_crtc->dma); |
| 774 | mdp4_crtc->vblank.irq = mdp4_crtc_vblank_irq; |
| 775 | |
| 776 | mdp4_crtc->err.irqmask = dma2err(mdp4_crtc->dma); |
| 777 | mdp4_crtc->err.irq = mdp4_crtc_err_irq; |
| 778 | |
| 779 | snprintf(mdp4_crtc->name, sizeof(mdp4_crtc->name), "%s:%d", |
| 780 | dma_names[dma_id], ovlp_id); |
| 781 | |
| 782 | spin_lock_init(&mdp4_crtc->cursor.lock); |
| 783 | |
| 784 | ret = drm_flip_work_init(&mdp4_crtc->unref_fb_work, 16, |
| 785 | "unref fb", unref_fb_worker); |
| 786 | if (ret) |
| 787 | goto fail; |
| 788 | |
| 789 | ret = drm_flip_work_init(&mdp4_crtc->unref_cursor_work, 64, |
| 790 | "unref cursor", unref_cursor_worker); |
| 791 | |
Rob Clark | edd4fc6 | 2013-09-14 14:01:55 -0400 | [diff] [blame] | 792 | INIT_FENCE_CB(&mdp4_crtc->pageflip_cb, pageflip_cb); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 793 | |
| 794 | drm_crtc_init(dev, crtc, &mdp4_crtc_funcs); |
| 795 | drm_crtc_helper_add(crtc, &mdp4_crtc_helper_funcs); |
| 796 | |
| 797 | mdp4_plane_install_properties(mdp4_crtc->plane, &crtc->base); |
| 798 | |
| 799 | return crtc; |
| 800 | |
| 801 | fail: |
| 802 | if (crtc) |
| 803 | mdp4_crtc_destroy(crtc); |
| 804 | |
| 805 | return ERR_PTR(ret); |
| 806 | } |