Merge tag 'drm-next-2019-07-16' of git://anongit.freedesktop.org/drm/drm
[linux-2.6-microblaze.git] / drivers / gpu / drm / msm / disp / mdp5 / mdp5_plane.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2014-2015 The Linux Foundation. All rights reserved.
4  * Copyright (C) 2013 Red Hat
5  * Author: Rob Clark <robdclark@gmail.com>
6  */
7
8 #include <drm/drm_damage_helper.h>
9 #include <drm/drm_print.h>
10 #include "mdp5_kms.h"
11
12 struct mdp5_plane {
13         struct drm_plane base;
14
15         uint32_t nformats;
16         uint32_t formats[32];
17 };
18 #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
19
20 static int mdp5_plane_mode_set(struct drm_plane *plane,
21                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
22                 struct drm_rect *src, struct drm_rect *dest);
23
24 static struct mdp5_kms *get_kms(struct drm_plane *plane)
25 {
26         struct msm_drm_private *priv = plane->dev->dev_private;
27         return to_mdp5_kms(to_mdp_kms(priv->kms));
28 }
29
30 static bool plane_enabled(struct drm_plane_state *state)
31 {
32         return state->visible;
33 }
34
35 static void mdp5_plane_destroy(struct drm_plane *plane)
36 {
37         struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
38
39         drm_plane_cleanup(plane);
40
41         kfree(mdp5_plane);
42 }
43
44 static void mdp5_plane_install_rotation_property(struct drm_device *dev,
45                 struct drm_plane *plane)
46 {
47         drm_plane_create_rotation_property(plane,
48                                            DRM_MODE_ROTATE_0,
49                                            DRM_MODE_ROTATE_0 |
50                                            DRM_MODE_ROTATE_180 |
51                                            DRM_MODE_REFLECT_X |
52                                            DRM_MODE_REFLECT_Y);
53 }
54
55 /* helper to install properties which are common to planes and crtcs */
56 static void mdp5_plane_install_properties(struct drm_plane *plane,
57                 struct drm_mode_object *obj)
58 {
59         struct drm_device *dev = plane->dev;
60         struct msm_drm_private *dev_priv = dev->dev_private;
61         struct drm_property *prop;
62
63 #define INSTALL_PROPERTY(name, NAME, init_val, fnc, ...) do { \
64                 prop = dev_priv->plane_property[PLANE_PROP_##NAME]; \
65                 if (!prop) { \
66                         prop = drm_property_##fnc(dev, 0, #name, \
67                                 ##__VA_ARGS__); \
68                         if (!prop) { \
69                                 dev_warn(dev->dev, \
70                                         "Create property %s failed\n", \
71                                         #name); \
72                                 return; \
73                         } \
74                         dev_priv->plane_property[PLANE_PROP_##NAME] = prop; \
75                 } \
76                 drm_object_attach_property(&plane->base, prop, init_val); \
77         } while (0)
78
79 #define INSTALL_RANGE_PROPERTY(name, NAME, min, max, init_val) \
80                 INSTALL_PROPERTY(name, NAME, init_val, \
81                                 create_range, min, max)
82
83 #define INSTALL_ENUM_PROPERTY(name, NAME, init_val) \
84                 INSTALL_PROPERTY(name, NAME, init_val, \
85                                 create_enum, name##_prop_enum_list, \
86                                 ARRAY_SIZE(name##_prop_enum_list))
87
88         INSTALL_RANGE_PROPERTY(zpos, ZPOS, 1, 255, 1);
89
90         mdp5_plane_install_rotation_property(dev, plane);
91
92 #undef INSTALL_RANGE_PROPERTY
93 #undef INSTALL_ENUM_PROPERTY
94 #undef INSTALL_PROPERTY
95 }
96
97 static int mdp5_plane_atomic_set_property(struct drm_plane *plane,
98                 struct drm_plane_state *state, struct drm_property *property,
99                 uint64_t val)
100 {
101         struct drm_device *dev = plane->dev;
102         struct mdp5_plane_state *pstate;
103         struct msm_drm_private *dev_priv = dev->dev_private;
104         int ret = 0;
105
106         pstate = to_mdp5_plane_state(state);
107
108 #define SET_PROPERTY(name, NAME, type) do { \
109                 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
110                         pstate->name = (type)val; \
111                         DBG("Set property %s %d", #name, (type)val); \
112                         goto done; \
113                 } \
114         } while (0)
115
116         SET_PROPERTY(zpos, ZPOS, uint8_t);
117
118         DRM_DEV_ERROR(dev->dev, "Invalid property\n");
119         ret = -EINVAL;
120 done:
121         return ret;
122 #undef SET_PROPERTY
123 }
124
125 static int mdp5_plane_atomic_get_property(struct drm_plane *plane,
126                 const struct drm_plane_state *state,
127                 struct drm_property *property, uint64_t *val)
128 {
129         struct drm_device *dev = plane->dev;
130         struct mdp5_plane_state *pstate;
131         struct msm_drm_private *dev_priv = dev->dev_private;
132         int ret = 0;
133
134         pstate = to_mdp5_plane_state(state);
135
136 #define GET_PROPERTY(name, NAME, type) do { \
137                 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
138                         *val = pstate->name; \
139                         DBG("Get property %s %lld", #name, *val); \
140                         goto done; \
141                 } \
142         } while (0)
143
144         GET_PROPERTY(zpos, ZPOS, uint8_t);
145
146         DRM_DEV_ERROR(dev->dev, "Invalid property\n");
147         ret = -EINVAL;
148 done:
149         return ret;
150 #undef SET_PROPERTY
151 }
152
153 static void
154 mdp5_plane_atomic_print_state(struct drm_printer *p,
155                 const struct drm_plane_state *state)
156 {
157         struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
158         struct mdp5_kms *mdp5_kms = get_kms(state->plane);
159
160         drm_printf(p, "\thwpipe=%s\n", pstate->hwpipe ?
161                         pstate->hwpipe->name : "(null)");
162         if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT)
163                 drm_printf(p, "\tright-hwpipe=%s\n",
164                            pstate->r_hwpipe ? pstate->r_hwpipe->name :
165                                               "(null)");
166         drm_printf(p, "\tpremultiplied=%u\n", pstate->premultiplied);
167         drm_printf(p, "\tzpos=%u\n", pstate->zpos);
168         drm_printf(p, "\talpha=%u\n", pstate->alpha);
169         drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
170 }
171
172 static void mdp5_plane_reset(struct drm_plane *plane)
173 {
174         struct mdp5_plane_state *mdp5_state;
175
176         if (plane->state && plane->state->fb)
177                 drm_framebuffer_put(plane->state->fb);
178
179         kfree(to_mdp5_plane_state(plane->state));
180         mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
181
182         /* assign default blend parameters */
183         mdp5_state->alpha = 255;
184         mdp5_state->premultiplied = 0;
185
186         if (plane->type == DRM_PLANE_TYPE_PRIMARY)
187                 mdp5_state->zpos = STAGE_BASE;
188         else
189                 mdp5_state->zpos = STAGE0 + drm_plane_index(plane);
190
191         mdp5_state->base.plane = plane;
192
193         plane->state = &mdp5_state->base;
194 }
195
196 static struct drm_plane_state *
197 mdp5_plane_duplicate_state(struct drm_plane *plane)
198 {
199         struct mdp5_plane_state *mdp5_state;
200
201         if (WARN_ON(!plane->state))
202                 return NULL;
203
204         mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
205                         sizeof(*mdp5_state), GFP_KERNEL);
206         if (!mdp5_state)
207                 return NULL;
208
209         __drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base);
210
211         return &mdp5_state->base;
212 }
213
214 static void mdp5_plane_destroy_state(struct drm_plane *plane,
215                 struct drm_plane_state *state)
216 {
217         struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
218
219         if (state->fb)
220                 drm_framebuffer_put(state->fb);
221
222         kfree(pstate);
223 }
224
225 static const struct drm_plane_funcs mdp5_plane_funcs = {
226                 .update_plane = drm_atomic_helper_update_plane,
227                 .disable_plane = drm_atomic_helper_disable_plane,
228                 .destroy = mdp5_plane_destroy,
229                 .atomic_set_property = mdp5_plane_atomic_set_property,
230                 .atomic_get_property = mdp5_plane_atomic_get_property,
231                 .reset = mdp5_plane_reset,
232                 .atomic_duplicate_state = mdp5_plane_duplicate_state,
233                 .atomic_destroy_state = mdp5_plane_destroy_state,
234                 .atomic_print_state = mdp5_plane_atomic_print_state,
235 };
236
237 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
238                                   struct drm_plane_state *old_state)
239 {
240         struct mdp5_kms *mdp5_kms = get_kms(plane);
241         struct msm_kms *kms = &mdp5_kms->base.base;
242         struct drm_framebuffer *fb = old_state->fb;
243
244         if (!fb)
245                 return;
246
247         DBG("%s: cleanup: FB[%u]", plane->name, fb->base.id);
248         msm_framebuffer_cleanup(fb, kms->aspace);
249 }
250
251 static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state,
252                                               struct drm_plane_state *state)
253 {
254         struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
255         struct drm_plane *plane = state->plane;
256         struct drm_plane_state *old_state = plane->state;
257         struct mdp5_cfg *config = mdp5_cfg_get_config(get_kms(plane)->cfg);
258         bool new_hwpipe = false;
259         bool need_right_hwpipe = false;
260         uint32_t max_width, max_height;
261         bool out_of_bounds = false;
262         uint32_t caps = 0;
263         int min_scale, max_scale;
264         int ret;
265
266         DBG("%s: check (%d -> %d)", plane->name,
267                         plane_enabled(old_state), plane_enabled(state));
268
269         max_width = config->hw->lm.max_width << 16;
270         max_height = config->hw->lm.max_height << 16;
271
272         /* Make sure source dimensions are within bounds. */
273         if (state->src_h > max_height)
274                 out_of_bounds = true;
275
276         if (state->src_w > max_width) {
277                 /* If source split is supported, we can go up to 2x
278                  * the max LM width, but we'd need to stage another
279                  * hwpipe to the right LM. So, the drm_plane would
280                  * consist of 2 hwpipes.
281                  */
282                 if (config->hw->mdp.caps & MDP_CAP_SRC_SPLIT &&
283                     (state->src_w <= 2 * max_width))
284                         need_right_hwpipe = true;
285                 else
286                         out_of_bounds = true;
287         }
288
289         if (out_of_bounds) {
290                 struct drm_rect src = drm_plane_state_src(state);
291                 DBG("Invalid source size "DRM_RECT_FP_FMT,
292                                 DRM_RECT_FP_ARG(&src));
293                 return -ERANGE;
294         }
295
296         min_scale = FRAC_16_16(1, 8);
297         max_scale = FRAC_16_16(8, 1);
298
299         ret = drm_atomic_helper_check_plane_state(state, crtc_state,
300                                                   min_scale, max_scale,
301                                                   true, true);
302         if (ret)
303                 return ret;
304
305         if (plane_enabled(state)) {
306                 unsigned int rotation;
307                 const struct mdp_format *format;
308                 struct mdp5_kms *mdp5_kms = get_kms(plane);
309                 uint32_t blkcfg = 0;
310
311                 format = to_mdp_format(msm_framebuffer_format(state->fb));
312                 if (MDP_FORMAT_IS_YUV(format))
313                         caps |= MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC;
314
315                 if (((state->src_w >> 16) != state->crtc_w) ||
316                                 ((state->src_h >> 16) != state->crtc_h))
317                         caps |= MDP_PIPE_CAP_SCALE;
318
319                 rotation = drm_rotation_simplify(state->rotation,
320                                                  DRM_MODE_ROTATE_0 |
321                                                  DRM_MODE_REFLECT_X |
322                                                  DRM_MODE_REFLECT_Y);
323
324                 if (rotation & DRM_MODE_REFLECT_X)
325                         caps |= MDP_PIPE_CAP_HFLIP;
326
327                 if (rotation & DRM_MODE_REFLECT_Y)
328                         caps |= MDP_PIPE_CAP_VFLIP;
329
330                 if (plane->type == DRM_PLANE_TYPE_CURSOR)
331                         caps |= MDP_PIPE_CAP_CURSOR;
332
333                 /* (re)allocate hw pipe if we don't have one or caps-mismatch: */
334                 if (!mdp5_state->hwpipe || (caps & ~mdp5_state->hwpipe->caps))
335                         new_hwpipe = true;
336
337                 /*
338                  * (re)allocte hw pipe if we're either requesting for 2 hw pipes
339                  * or we're switching from 2 hw pipes to 1 hw pipe because the
340                  * new src_w can be supported by 1 hw pipe itself.
341                  */
342                 if ((need_right_hwpipe && !mdp5_state->r_hwpipe) ||
343                     (!need_right_hwpipe && mdp5_state->r_hwpipe))
344                         new_hwpipe = true;
345
346                 if (mdp5_kms->smp) {
347                         const struct mdp_format *format =
348                                 to_mdp_format(msm_framebuffer_format(state->fb));
349
350                         blkcfg = mdp5_smp_calculate(mdp5_kms->smp, format,
351                                         state->src_w >> 16, false);
352
353                         if (mdp5_state->hwpipe && (mdp5_state->hwpipe->blkcfg != blkcfg))
354                                 new_hwpipe = true;
355                 }
356
357                 /* (re)assign hwpipe if needed, otherwise keep old one: */
358                 if (new_hwpipe) {
359                         /* TODO maybe we want to re-assign hwpipe sometimes
360                          * in cases when we no-longer need some caps to make
361                          * it available for other planes?
362                          */
363                         struct mdp5_hw_pipe *old_hwpipe = mdp5_state->hwpipe;
364                         struct mdp5_hw_pipe *old_right_hwpipe =
365                                                           mdp5_state->r_hwpipe;
366                         struct mdp5_hw_pipe *new_hwpipe = NULL;
367                         struct mdp5_hw_pipe *new_right_hwpipe = NULL;
368
369                         ret = mdp5_pipe_assign(state->state, plane, caps,
370                                                blkcfg, &new_hwpipe,
371                                                need_right_hwpipe ?
372                                                &new_right_hwpipe : NULL);
373                         if (ret) {
374                                 DBG("%s: failed to assign hwpipe(s)!",
375                                     plane->name);
376                                 return ret;
377                         }
378
379                         mdp5_state->hwpipe = new_hwpipe;
380                         if (need_right_hwpipe)
381                                 mdp5_state->r_hwpipe = new_right_hwpipe;
382                         else
383                                 /*
384                                  * set it to NULL so that the driver knows we
385                                  * don't have a right hwpipe when committing a
386                                  * new state
387                                  */
388                                 mdp5_state->r_hwpipe = NULL;
389
390
391                         mdp5_pipe_release(state->state, old_hwpipe);
392                         mdp5_pipe_release(state->state, old_right_hwpipe);
393                 }
394         } else {
395                 mdp5_pipe_release(state->state, mdp5_state->hwpipe);
396                 mdp5_pipe_release(state->state, mdp5_state->r_hwpipe);
397                 mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL;
398         }
399
400         return 0;
401 }
402
403 static int mdp5_plane_atomic_check(struct drm_plane *plane,
404                                    struct drm_plane_state *state)
405 {
406         struct drm_crtc *crtc;
407         struct drm_crtc_state *crtc_state;
408
409         crtc = state->crtc ? state->crtc : plane->state->crtc;
410         if (!crtc)
411                 return 0;
412
413         crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
414         if (WARN_ON(!crtc_state))
415                 return -EINVAL;
416
417         return mdp5_plane_atomic_check_with_state(crtc_state, state);
418 }
419
420 static void mdp5_plane_atomic_update(struct drm_plane *plane,
421                                      struct drm_plane_state *old_state)
422 {
423         struct drm_plane_state *state = plane->state;
424
425         DBG("%s: update", plane->name);
426
427         if (plane_enabled(state)) {
428                 int ret;
429
430                 ret = mdp5_plane_mode_set(plane,
431                                 state->crtc, state->fb,
432                                 &state->src, &state->dst);
433                 /* atomic_check should have ensured that this doesn't fail */
434                 WARN_ON(ret < 0);
435         }
436 }
437
438 static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
439                                          struct drm_plane_state *state)
440 {
441         struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
442         struct drm_crtc_state *crtc_state;
443         int min_scale, max_scale;
444         int ret;
445
446         crtc_state = drm_atomic_get_existing_crtc_state(state->state,
447                                                         state->crtc);
448         if (WARN_ON(!crtc_state))
449                 return -EINVAL;
450
451         if (!crtc_state->active)
452                 return -EINVAL;
453
454         mdp5_state = to_mdp5_plane_state(state);
455
456         /* don't use fast path if we don't have a hwpipe allocated yet */
457         if (!mdp5_state->hwpipe)
458                 return -EINVAL;
459
460         /* only allow changing of position(crtc x/y or src x/y) in fast path */
461         if (plane->state->crtc != state->crtc ||
462             plane->state->src_w != state->src_w ||
463             plane->state->src_h != state->src_h ||
464             plane->state->crtc_w != state->crtc_w ||
465             plane->state->crtc_h != state->crtc_h ||
466             !plane->state->fb ||
467             plane->state->fb != state->fb)
468                 return -EINVAL;
469
470         min_scale = FRAC_16_16(1, 8);
471         max_scale = FRAC_16_16(8, 1);
472
473         ret = drm_atomic_helper_check_plane_state(state, crtc_state,
474                                                   min_scale, max_scale,
475                                                   true, true);
476         if (ret)
477                 return ret;
478
479         /*
480          * if the visibility of the plane changes (i.e, if the cursor is
481          * clipped out completely, we can't take the async path because
482          * we need to stage/unstage the plane from the Layer Mixer(s). We
483          * also assign/unassign the hwpipe(s) tied to the plane. We avoid
484          * taking the fast path for both these reasons.
485          */
486         if (state->visible != plane->state->visible)
487                 return -EINVAL;
488
489         return 0;
490 }
491
492 static void mdp5_plane_atomic_async_update(struct drm_plane *plane,
493                                            struct drm_plane_state *new_state)
494 {
495         struct drm_framebuffer *old_fb = plane->state->fb;
496
497         plane->state->src_x = new_state->src_x;
498         plane->state->src_y = new_state->src_y;
499         plane->state->crtc_x = new_state->crtc_x;
500         plane->state->crtc_y = new_state->crtc_y;
501
502         if (plane_enabled(new_state)) {
503                 struct mdp5_ctl *ctl;
504                 struct mdp5_pipeline *pipeline =
505                                         mdp5_crtc_get_pipeline(new_state->crtc);
506                 int ret;
507
508                 ret = mdp5_plane_mode_set(plane, new_state->crtc, new_state->fb,
509                                 &new_state->src, &new_state->dst);
510                 WARN_ON(ret < 0);
511
512                 ctl = mdp5_crtc_get_ctl(new_state->crtc);
513
514                 mdp5_ctl_commit(ctl, pipeline, mdp5_plane_get_flush(plane), true);
515         }
516
517         *to_mdp5_plane_state(plane->state) =
518                 *to_mdp5_plane_state(new_state);
519
520         new_state->fb = old_fb;
521 }
522
523 static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
524                 .prepare_fb = msm_atomic_prepare_fb,
525                 .cleanup_fb = mdp5_plane_cleanup_fb,
526                 .atomic_check = mdp5_plane_atomic_check,
527                 .atomic_update = mdp5_plane_atomic_update,
528                 .atomic_async_check = mdp5_plane_atomic_async_check,
529                 .atomic_async_update = mdp5_plane_atomic_async_update,
530 };
531
532 static void set_scanout_locked(struct mdp5_kms *mdp5_kms,
533                                enum mdp5_pipe pipe,
534                                struct drm_framebuffer *fb)
535 {
536         struct msm_kms *kms = &mdp5_kms->base.base;
537
538         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
539                         MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
540                         MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
541
542         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
543                         MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
544                         MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
545
546         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
547                         msm_framebuffer_iova(fb, kms->aspace, 0));
548         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
549                         msm_framebuffer_iova(fb, kms->aspace, 1));
550         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
551                         msm_framebuffer_iova(fb, kms->aspace, 2));
552         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
553                         msm_framebuffer_iova(fb, kms->aspace, 3));
554 }
555
556 /* Note: mdp5_plane->pipe_lock must be locked */
557 static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
558 {
559         uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
560                          ~MDP5_PIPE_OP_MODE_CSC_1_EN;
561
562         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
563 }
564
565 /* Note: mdp5_plane->pipe_lock must be locked */
566 static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
567                 struct csc_cfg *csc)
568 {
569         uint32_t  i, mode = 0; /* RGB, no CSC */
570         uint32_t *matrix;
571
572         if (unlikely(!csc))
573                 return;
574
575         if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
576                 mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
577         if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
578                 mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
579         mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
580         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
581
582         matrix = csc->matrix;
583         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
584                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
585                         MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
586         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
587                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
588                         MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
589         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
590                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
591                         MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
592         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
593                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
594                         MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
595         mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
596                         MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
597
598         for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
599                 uint32_t *pre_clamp = csc->pre_clamp;
600                 uint32_t *post_clamp = csc->post_clamp;
601
602                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
603                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
604                         MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
605
606                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
607                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
608                         MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
609
610                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
611                         MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
612
613                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
614                         MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
615         }
616 }
617
618 #define PHASE_STEP_SHIFT        21
619 #define DOWN_SCALE_RATIO_MAX    32      /* 2^(26-21) */
620
621 static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
622 {
623         uint32_t unit;
624
625         if (src == 0 || dst == 0)
626                 return -EINVAL;
627
628         /*
629          * PHASE_STEP_X/Y is coded on 26 bits (25:0),
630          * where 2^21 represents the unity "1" in fixed-point hardware design.
631          * This leaves 5 bits for the integer part (downscale case):
632          *      -> maximum downscale ratio = 0b1_1111 = 31
633          */
634         if (src > (dst * DOWN_SCALE_RATIO_MAX))
635                 return -EOVERFLOW;
636
637         unit = 1 << PHASE_STEP_SHIFT;
638         *out_phase = mult_frac(unit, src, dst);
639
640         return 0;
641 }
642
643 static int calc_scalex_steps(struct drm_plane *plane,
644                 uint32_t pixel_format, uint32_t src, uint32_t dest,
645                 uint32_t phasex_steps[COMP_MAX])
646 {
647         const struct drm_format_info *info = drm_format_info(pixel_format);
648         struct mdp5_kms *mdp5_kms = get_kms(plane);
649         struct device *dev = mdp5_kms->dev->dev;
650         uint32_t phasex_step;
651         int ret;
652
653         ret = calc_phase_step(src, dest, &phasex_step);
654         if (ret) {
655                 DRM_DEV_ERROR(dev, "X scaling (%d->%d) failed: %d\n", src, dest, ret);
656                 return ret;
657         }
658
659         phasex_steps[COMP_0]   = phasex_step;
660         phasex_steps[COMP_3]   = phasex_step;
661         phasex_steps[COMP_1_2] = phasex_step / info->hsub;
662
663         return 0;
664 }
665
666 static int calc_scaley_steps(struct drm_plane *plane,
667                 uint32_t pixel_format, uint32_t src, uint32_t dest,
668                 uint32_t phasey_steps[COMP_MAX])
669 {
670         const struct drm_format_info *info = drm_format_info(pixel_format);
671         struct mdp5_kms *mdp5_kms = get_kms(plane);
672         struct device *dev = mdp5_kms->dev->dev;
673         uint32_t phasey_step;
674         int ret;
675
676         ret = calc_phase_step(src, dest, &phasey_step);
677         if (ret) {
678                 DRM_DEV_ERROR(dev, "Y scaling (%d->%d) failed: %d\n", src, dest, ret);
679                 return ret;
680         }
681
682         phasey_steps[COMP_0]   = phasey_step;
683         phasey_steps[COMP_3]   = phasey_step;
684         phasey_steps[COMP_1_2] = phasey_step / info->vsub;
685
686         return 0;
687 }
688
689 static uint32_t get_scale_config(const struct mdp_format *format,
690                 uint32_t src, uint32_t dst, bool horz)
691 {
692         const struct drm_format_info *info = drm_format_info(format->base.pixel_format);
693         bool scaling = format->is_yuv ? true : (src != dst);
694         uint32_t sub;
695         uint32_t ya_filter, uv_filter;
696         bool yuv = format->is_yuv;
697
698         if (!scaling)
699                 return 0;
700
701         if (yuv) {
702                 sub = horz ? info->hsub : info->vsub;
703                 uv_filter = ((src / sub) <= dst) ?
704                                    SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
705         }
706         ya_filter = (src <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
707
708         if (horz)
709                 return  MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
710                         MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_0(ya_filter) |
711                         MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_3(ya_filter) |
712                         COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_1_2(uv_filter));
713         else
714                 return  MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
715                         MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_0(ya_filter) |
716                         MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_3(ya_filter) |
717                         COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_1_2(uv_filter));
718 }
719
720 static void calc_pixel_ext(const struct mdp_format *format,
721                 uint32_t src, uint32_t dst, uint32_t phase_step[2],
722                 int pix_ext_edge1[COMP_MAX], int pix_ext_edge2[COMP_MAX],
723                 bool horz)
724 {
725         bool scaling = format->is_yuv ? true : (src != dst);
726         int i;
727
728         /*
729          * Note:
730          * We assume here that:
731          *     1. PCMN filter is used for downscale
732          *     2. bilinear filter is used for upscale
733          *     3. we are in a single pipe configuration
734          */
735
736         for (i = 0; i < COMP_MAX; i++) {
737                 pix_ext_edge1[i] = 0;
738                 pix_ext_edge2[i] = scaling ? 1 : 0;
739         }
740 }
741
742 static void mdp5_write_pixel_ext(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
743         const struct mdp_format *format,
744         uint32_t src_w, int pe_left[COMP_MAX], int pe_right[COMP_MAX],
745         uint32_t src_h, int pe_top[COMP_MAX], int pe_bottom[COMP_MAX])
746 {
747         const struct drm_format_info *info = drm_format_info(format->base.pixel_format);
748         uint32_t lr, tb, req;
749         int i;
750
751         for (i = 0; i < COMP_MAX; i++) {
752                 uint32_t roi_w = src_w;
753                 uint32_t roi_h = src_h;
754
755                 if (format->is_yuv && i == COMP_1_2) {
756                         roi_w /= info->hsub;
757                         roi_h /= info->vsub;
758                 }
759
760                 lr  = (pe_left[i] >= 0) ?
761                         MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT(pe_left[i]) :
762                         MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF(pe_left[i]);
763
764                 lr |= (pe_right[i] >= 0) ?
765                         MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT(pe_right[i]) :
766                         MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF(pe_right[i]);
767
768                 tb  = (pe_top[i] >= 0) ?
769                         MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT(pe_top[i]) :
770                         MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF(pe_top[i]);
771
772                 tb |= (pe_bottom[i] >= 0) ?
773                         MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT(pe_bottom[i]) :
774                         MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF(pe_bottom[i]);
775
776                 req  = MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT(roi_w +
777                                 pe_left[i] + pe_right[i]);
778
779                 req |= MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM(roi_h +
780                                 pe_top[i] + pe_bottom[i]);
781
782                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_LR(pipe, i), lr);
783                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_TB(pipe, i), tb);
784                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS(pipe, i), req);
785
786                 DBG("comp-%d (L/R): rpt=%d/%d, ovf=%d/%d, req=%d", i,
787                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT),
788                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT),
789                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF),
790                         FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF),
791                         FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT));
792
793                 DBG("comp-%d (T/B): rpt=%d/%d, ovf=%d/%d, req=%d", i,
794                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT),
795                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT),
796                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF),
797                         FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF),
798                         FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM));
799         }
800 }
801
802 struct pixel_ext {
803         int left[COMP_MAX];
804         int right[COMP_MAX];
805         int top[COMP_MAX];
806         int bottom[COMP_MAX];
807 };
808
809 struct phase_step {
810         u32 x[COMP_MAX];
811         u32 y[COMP_MAX];
812 };
813
814 static void mdp5_hwpipe_mode_set(struct mdp5_kms *mdp5_kms,
815                                  struct mdp5_hw_pipe *hwpipe,
816                                  struct drm_framebuffer *fb,
817                                  struct phase_step *step,
818                                  struct pixel_ext *pe,
819                                  u32 scale_config, u32 hdecm, u32 vdecm,
820                                  bool hflip, bool vflip,
821                                  int crtc_x, int crtc_y,
822                                  unsigned int crtc_w, unsigned int crtc_h,
823                                  u32 src_img_w, u32 src_img_h,
824                                  u32 src_x, u32 src_y,
825                                  u32 src_w, u32 src_h)
826 {
827         enum mdp5_pipe pipe = hwpipe->pipe;
828         bool has_pe = hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT;
829         const struct mdp_format *format =
830                         to_mdp_format(msm_framebuffer_format(fb));
831
832         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
833                         MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_img_w) |
834                         MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_img_h));
835
836         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
837                         MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
838                         MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
839
840         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
841                         MDP5_PIPE_SRC_XY_X(src_x) |
842                         MDP5_PIPE_SRC_XY_Y(src_y));
843
844         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
845                         MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
846                         MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
847
848         mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
849                         MDP5_PIPE_OUT_XY_X(crtc_x) |
850                         MDP5_PIPE_OUT_XY_Y(crtc_y));
851
852         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
853                         MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
854                         MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
855                         MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
856                         MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
857                         COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
858                         MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
859                         MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
860                         COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
861                         MDP5_PIPE_SRC_FORMAT_FETCH_TYPE(format->fetch_type) |
862                         MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
863
864         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
865                         MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
866                         MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
867                         MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
868                         MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
869
870         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
871                         (hflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_LR : 0) |
872                         (vflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_UD : 0) |
873                         COND(has_pe, MDP5_PIPE_SRC_OP_MODE_SW_PIX_EXT_OVERRIDE) |
874                         MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
875
876         /* not using secure mode: */
877         mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
878
879         if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT)
880                 mdp5_write_pixel_ext(mdp5_kms, pipe, format,
881                                 src_w, pe->left, pe->right,
882                                 src_h, pe->top, pe->bottom);
883
884         if (hwpipe->caps & MDP_PIPE_CAP_SCALE) {
885                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
886                                 step->x[COMP_0]);
887                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
888                                 step->y[COMP_0]);
889                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
890                                 step->x[COMP_1_2]);
891                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
892                                 step->y[COMP_1_2]);
893                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
894                                 MDP5_PIPE_DECIMATION_VERT(vdecm) |
895                                 MDP5_PIPE_DECIMATION_HORZ(hdecm));
896                 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe),
897                            scale_config);
898         }
899
900         if (hwpipe->caps & MDP_PIPE_CAP_CSC) {
901                 if (MDP_FORMAT_IS_YUV(format))
902                         csc_enable(mdp5_kms, pipe,
903                                         mdp_get_default_csc_cfg(CSC_YUV2RGB));
904                 else
905                         csc_disable(mdp5_kms, pipe);
906         }
907
908         set_scanout_locked(mdp5_kms, pipe, fb);
909 }
910
911 static int mdp5_plane_mode_set(struct drm_plane *plane,
912                 struct drm_crtc *crtc, struct drm_framebuffer *fb,
913                 struct drm_rect *src, struct drm_rect *dest)
914 {
915         struct drm_plane_state *pstate = plane->state;
916         struct mdp5_hw_pipe *hwpipe = to_mdp5_plane_state(pstate)->hwpipe;
917         struct mdp5_kms *mdp5_kms = get_kms(plane);
918         enum mdp5_pipe pipe = hwpipe->pipe;
919         struct mdp5_hw_pipe *right_hwpipe;
920         const struct mdp_format *format;
921         uint32_t nplanes, config = 0;
922         struct phase_step step = { { 0 } };
923         struct pixel_ext pe = { { 0 } };
924         uint32_t hdecm = 0, vdecm = 0;
925         uint32_t pix_format;
926         unsigned int rotation;
927         bool vflip, hflip;
928         int crtc_x, crtc_y;
929         unsigned int crtc_w, crtc_h;
930         uint32_t src_x, src_y;
931         uint32_t src_w, src_h;
932         uint32_t src_img_w, src_img_h;
933         int ret;
934
935         nplanes = fb->format->num_planes;
936
937         /* bad formats should already be rejected: */
938         if (WARN_ON(nplanes > pipe2nclients(pipe)))
939                 return -EINVAL;
940
941         format = to_mdp_format(msm_framebuffer_format(fb));
942         pix_format = format->base.pixel_format;
943
944         src_x = src->x1;
945         src_y = src->y1;
946         src_w = drm_rect_width(src);
947         src_h = drm_rect_height(src);
948
949         crtc_x = dest->x1;
950         crtc_y = dest->y1;
951         crtc_w = drm_rect_width(dest);
952         crtc_h = drm_rect_height(dest);
953
954         /* src values are in Q16 fixed point, convert to integer: */
955         src_x = src_x >> 16;
956         src_y = src_y >> 16;
957         src_w = src_w >> 16;
958         src_h = src_h >> 16;
959
960         src_img_w = min(fb->width, src_w);
961         src_img_h = min(fb->height, src_h);
962
963         DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", plane->name,
964                         fb->base.id, src_x, src_y, src_w, src_h,
965                         crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
966
967         right_hwpipe = to_mdp5_plane_state(pstate)->r_hwpipe;
968         if (right_hwpipe) {
969                 /*
970                  * if the plane comprises of 2 hw pipes, assume that the width
971                  * is split equally across them. The only parameters that varies
972                  * between the 2 pipes are src_x and crtc_x
973                  */
974                 crtc_w /= 2;
975                 src_w /= 2;
976                 src_img_w /= 2;
977         }
978
979         ret = calc_scalex_steps(plane, pix_format, src_w, crtc_w, step.x);
980         if (ret)
981                 return ret;
982
983         ret = calc_scaley_steps(plane, pix_format, src_h, crtc_h, step.y);
984         if (ret)
985                 return ret;
986
987         if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT) {
988                 calc_pixel_ext(format, src_w, crtc_w, step.x,
989                                pe.left, pe.right, true);
990                 calc_pixel_ext(format, src_h, crtc_h, step.y,
991                                pe.top, pe.bottom, false);
992         }
993
994         /* TODO calc hdecm, vdecm */
995
996         /* SCALE is used to both scale and up-sample chroma components */
997         config |= get_scale_config(format, src_w, crtc_w, true);
998         config |= get_scale_config(format, src_h, crtc_h, false);
999         DBG("scale config = %x", config);
1000
1001         rotation = drm_rotation_simplify(pstate->rotation,
1002                                          DRM_MODE_ROTATE_0 |
1003                                          DRM_MODE_REFLECT_X |
1004                                          DRM_MODE_REFLECT_Y);
1005         hflip = !!(rotation & DRM_MODE_REFLECT_X);
1006         vflip = !!(rotation & DRM_MODE_REFLECT_Y);
1007
1008         mdp5_hwpipe_mode_set(mdp5_kms, hwpipe, fb, &step, &pe,
1009                              config, hdecm, vdecm, hflip, vflip,
1010                              crtc_x, crtc_y, crtc_w, crtc_h,
1011                              src_img_w, src_img_h,
1012                              src_x, src_y, src_w, src_h);
1013         if (right_hwpipe)
1014                 mdp5_hwpipe_mode_set(mdp5_kms, right_hwpipe, fb, &step, &pe,
1015                                      config, hdecm, vdecm, hflip, vflip,
1016                                      crtc_x + crtc_w, crtc_y, crtc_w, crtc_h,
1017                                      src_img_w, src_img_h,
1018                                      src_x + src_w, src_y, src_w, src_h);
1019
1020         return ret;
1021 }
1022
1023 /*
1024  * Use this func and the one below only after the atomic state has been
1025  * successfully swapped
1026  */
1027 enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
1028 {
1029         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1030
1031         if (WARN_ON(!pstate->hwpipe))
1032                 return SSPP_NONE;
1033
1034         return pstate->hwpipe->pipe;
1035 }
1036
1037 enum mdp5_pipe mdp5_plane_right_pipe(struct drm_plane *plane)
1038 {
1039         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1040
1041         if (!pstate->r_hwpipe)
1042                 return SSPP_NONE;
1043
1044         return pstate->r_hwpipe->pipe;
1045 }
1046
1047 uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
1048 {
1049         struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1050         u32 mask;
1051
1052         if (WARN_ON(!pstate->hwpipe))
1053                 return 0;
1054
1055         mask = pstate->hwpipe->flush_mask;
1056
1057         if (pstate->r_hwpipe)
1058                 mask |= pstate->r_hwpipe->flush_mask;
1059
1060         return mask;
1061 }
1062
1063 /* initialize plane */
1064 struct drm_plane *mdp5_plane_init(struct drm_device *dev,
1065                                   enum drm_plane_type type)
1066 {
1067         struct drm_plane *plane = NULL;
1068         struct mdp5_plane *mdp5_plane;
1069         int ret;
1070
1071         mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
1072         if (!mdp5_plane) {
1073                 ret = -ENOMEM;
1074                 goto fail;
1075         }
1076
1077         plane = &mdp5_plane->base;
1078
1079         mdp5_plane->nformats = mdp_get_formats(mdp5_plane->formats,
1080                 ARRAY_SIZE(mdp5_plane->formats), false);
1081
1082         ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
1083                         mdp5_plane->formats, mdp5_plane->nformats,
1084                         NULL, type, NULL);
1085         if (ret)
1086                 goto fail;
1087
1088         drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
1089
1090         mdp5_plane_install_properties(plane, &plane->base);
1091
1092         drm_plane_enable_fb_damage_clips(plane);
1093
1094         return plane;
1095
1096 fail:
1097         if (plane)
1098                 mdp5_plane_destroy(plane);
1099
1100         return ERR_PTR(ret);
1101 }