1 /*
2 * Copyright (c) 2014 The Linux Foundation. All rights reserved.
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #include "mdp5_kms.h"
20
21 struct mdp5_plane {
22 struct drm_plane base;
23 const char *name;
24
25 enum mdp5_pipe pipe;
26
27 spinlock_t pipe_lock; /* protect REG_MDP5_PIPE_* registers */
28 uint32_t reg_offset;
29
30 uint32_t flush_mask; /* used to commit pipe registers */
31
32 uint32_t nformats;
33 uint32_t formats[32];
34
35 bool enabled;
36 };
37 #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
38
39 static int mdp5_plane_mode_set(struct drm_plane *plane,
40 struct drm_crtc *crtc, struct drm_framebuffer *fb,
41 int crtc_x, int crtc_y,
42 unsigned int crtc_w, unsigned int crtc_h,
43 uint32_t src_x, uint32_t src_y,
44 uint32_t src_w, uint32_t src_h);
45 static void set_scanout_locked(struct drm_plane *plane,
46 struct drm_framebuffer *fb);
47
get_kms(struct drm_plane * plane)48 static struct mdp5_kms *get_kms(struct drm_plane *plane)
49 {
50 struct msm_drm_private *priv = plane->dev->dev_private;
51 return to_mdp5_kms(to_mdp_kms(priv->kms));
52 }
53
plane_enabled(struct drm_plane_state * state)54 static bool plane_enabled(struct drm_plane_state *state)
55 {
56 return state->fb && state->crtc;
57 }
58
mdp5_plane_disable(struct drm_plane * plane)59 static int mdp5_plane_disable(struct drm_plane *plane)
60 {
61 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
62 struct mdp5_kms *mdp5_kms = get_kms(plane);
63 enum mdp5_pipe pipe = mdp5_plane->pipe;
64
65 DBG("%s: disable", mdp5_plane->name);
66
67 if (mdp5_kms) {
68 /* Release the memory we requested earlier from the SMP: */
69 mdp5_smp_release(mdp5_kms->smp, pipe);
70 }
71
72 return 0;
73 }
74
mdp5_plane_destroy(struct drm_plane * plane)75 static void mdp5_plane_destroy(struct drm_plane *plane)
76 {
77 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
78
79 drm_plane_helper_disable(plane);
80 drm_plane_cleanup(plane);
81
82 kfree(mdp5_plane);
83 }
84
85 /* helper to install properties which are common to planes and crtcs */
mdp5_plane_install_properties(struct drm_plane * plane,struct drm_mode_object * obj)86 void mdp5_plane_install_properties(struct drm_plane *plane,
87 struct drm_mode_object *obj)
88 {
89 // XXX
90 }
91
mdp5_plane_set_property(struct drm_plane * plane,struct drm_property * property,uint64_t val)92 int mdp5_plane_set_property(struct drm_plane *plane,
93 struct drm_property *property, uint64_t val)
94 {
95 // XXX
96 return -EINVAL;
97 }
98
mdp5_plane_reset(struct drm_plane * plane)99 static void mdp5_plane_reset(struct drm_plane *plane)
100 {
101 struct mdp5_plane_state *mdp5_state;
102
103 if (plane->state && plane->state->fb)
104 drm_framebuffer_unreference(plane->state->fb);
105
106 kfree(to_mdp5_plane_state(plane->state));
107 mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
108
109 if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
110 mdp5_state->zpos = 0;
111 } else {
112 mdp5_state->zpos = 1 + drm_plane_index(plane);
113 }
114 mdp5_state->base.plane = plane;
115
116 plane->state = &mdp5_state->base;
117 }
118
119 static struct drm_plane_state *
mdp5_plane_duplicate_state(struct drm_plane * plane)120 mdp5_plane_duplicate_state(struct drm_plane *plane)
121 {
122 struct mdp5_plane_state *mdp5_state;
123
124 if (WARN_ON(!plane->state))
125 return NULL;
126
127 mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
128 sizeof(*mdp5_state), GFP_KERNEL);
129
130 if (mdp5_state && mdp5_state->base.fb)
131 drm_framebuffer_reference(mdp5_state->base.fb);
132
133 mdp5_state->mode_changed = false;
134 mdp5_state->pending = false;
135
136 return &mdp5_state->base;
137 }
138
mdp5_plane_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)139 static void mdp5_plane_destroy_state(struct drm_plane *plane,
140 struct drm_plane_state *state)
141 {
142 if (state->fb)
143 drm_framebuffer_unreference(state->fb);
144
145 kfree(to_mdp5_plane_state(state));
146 }
147
148 static const struct drm_plane_funcs mdp5_plane_funcs = {
149 .update_plane = drm_atomic_helper_update_plane,
150 .disable_plane = drm_atomic_helper_disable_plane,
151 .destroy = mdp5_plane_destroy,
152 .set_property = mdp5_plane_set_property,
153 .reset = mdp5_plane_reset,
154 .atomic_duplicate_state = mdp5_plane_duplicate_state,
155 .atomic_destroy_state = mdp5_plane_destroy_state,
156 };
157
mdp5_plane_prepare_fb(struct drm_plane * plane,struct drm_framebuffer * fb,const struct drm_plane_state * new_state)158 static int mdp5_plane_prepare_fb(struct drm_plane *plane,
159 struct drm_framebuffer *fb,
160 const struct drm_plane_state *new_state)
161 {
162 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
163 struct mdp5_kms *mdp5_kms = get_kms(plane);
164
165 DBG("%s: prepare: FB[%u]", mdp5_plane->name, fb->base.id);
166 return msm_framebuffer_prepare(fb, mdp5_kms->id);
167 }
168
mdp5_plane_cleanup_fb(struct drm_plane * plane,struct drm_framebuffer * fb,const struct drm_plane_state * old_state)169 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
170 struct drm_framebuffer *fb,
171 const struct drm_plane_state *old_state)
172 {
173 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
174 struct mdp5_kms *mdp5_kms = get_kms(plane);
175
176 DBG("%s: cleanup: FB[%u]", mdp5_plane->name, fb->base.id);
177 msm_framebuffer_cleanup(fb, mdp5_kms->id);
178 }
179
mdp5_plane_atomic_check(struct drm_plane * plane,struct drm_plane_state * state)180 static int mdp5_plane_atomic_check(struct drm_plane *plane,
181 struct drm_plane_state *state)
182 {
183 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
184 struct drm_plane_state *old_state = plane->state;
185
186 DBG("%s: check (%d -> %d)", mdp5_plane->name,
187 plane_enabled(old_state), plane_enabled(state));
188
189 if (plane_enabled(state) && plane_enabled(old_state)) {
190 /* we cannot change SMP block configuration during scanout: */
191 bool full_modeset = false;
192 if (state->fb->pixel_format != old_state->fb->pixel_format) {
193 DBG("%s: pixel_format change!", mdp5_plane->name);
194 full_modeset = true;
195 }
196 if (state->src_w != old_state->src_w) {
197 DBG("%s: src_w change!", mdp5_plane->name);
198 full_modeset = true;
199 }
200 if (to_mdp5_plane_state(old_state)->pending) {
201 DBG("%s: still pending!", mdp5_plane->name);
202 full_modeset = true;
203 }
204 if (full_modeset) {
205 struct drm_crtc_state *crtc_state =
206 drm_atomic_get_crtc_state(state->state, state->crtc);
207 crtc_state->mode_changed = true;
208 to_mdp5_plane_state(state)->mode_changed = true;
209 }
210 } else {
211 to_mdp5_plane_state(state)->mode_changed = true;
212 }
213
214 return 0;
215 }
216
mdp5_plane_atomic_update(struct drm_plane * plane,struct drm_plane_state * old_state)217 static void mdp5_plane_atomic_update(struct drm_plane *plane,
218 struct drm_plane_state *old_state)
219 {
220 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
221 struct drm_plane_state *state = plane->state;
222
223 DBG("%s: update", mdp5_plane->name);
224
225 if (!plane_enabled(state)) {
226 to_mdp5_plane_state(state)->pending = true;
227 mdp5_plane_disable(plane);
228 } else if (to_mdp5_plane_state(state)->mode_changed) {
229 int ret;
230 to_mdp5_plane_state(state)->pending = true;
231 ret = mdp5_plane_mode_set(plane,
232 state->crtc, state->fb,
233 state->crtc_x, state->crtc_y,
234 state->crtc_w, state->crtc_h,
235 state->src_x, state->src_y,
236 state->src_w, state->src_h);
237 /* atomic_check should have ensured that this doesn't fail */
238 WARN_ON(ret < 0);
239 } else {
240 unsigned long flags;
241 spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
242 set_scanout_locked(plane, state->fb);
243 spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
244 }
245 }
246
247 static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
248 .prepare_fb = mdp5_plane_prepare_fb,
249 .cleanup_fb = mdp5_plane_cleanup_fb,
250 .atomic_check = mdp5_plane_atomic_check,
251 .atomic_update = mdp5_plane_atomic_update,
252 };
253
set_scanout_locked(struct drm_plane * plane,struct drm_framebuffer * fb)254 static void set_scanout_locked(struct drm_plane *plane,
255 struct drm_framebuffer *fb)
256 {
257 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
258 struct mdp5_kms *mdp5_kms = get_kms(plane);
259 enum mdp5_pipe pipe = mdp5_plane->pipe;
260
261 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
262 MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
263 MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
264
265 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
266 MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
267 MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
268
269 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
270 msm_framebuffer_iova(fb, mdp5_kms->id, 0));
271 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
272 msm_framebuffer_iova(fb, mdp5_kms->id, 1));
273 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
274 msm_framebuffer_iova(fb, mdp5_kms->id, 2));
275 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
276 msm_framebuffer_iova(fb, mdp5_kms->id, 3));
277
278 plane->fb = fb;
279 }
280
281 /* Note: mdp5_plane->pipe_lock must be locked */
csc_disable(struct mdp5_kms * mdp5_kms,enum mdp5_pipe pipe)282 static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
283 {
284 uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
285 ~MDP5_PIPE_OP_MODE_CSC_1_EN;
286
287 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
288 }
289
290 /* Note: mdp5_plane->pipe_lock must be locked */
csc_enable(struct mdp5_kms * mdp5_kms,enum mdp5_pipe pipe,struct csc_cfg * csc)291 static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
292 struct csc_cfg *csc)
293 {
294 uint32_t i, mode = 0; /* RGB, no CSC */
295 uint32_t *matrix;
296
297 if (unlikely(!csc))
298 return;
299
300 if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
301 mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
302 if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
303 mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
304 mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
305 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
306
307 matrix = csc->matrix;
308 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
309 MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
310 MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
311 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
312 MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
313 MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
314 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
315 MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
316 MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
317 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
318 MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
319 MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
320 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
321 MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
322
323 for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
324 uint32_t *pre_clamp = csc->pre_clamp;
325 uint32_t *post_clamp = csc->post_clamp;
326
327 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
328 MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
329 MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
330
331 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
332 MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
333 MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
334
335 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
336 MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
337
338 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
339 MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
340 }
341 }
342
343 #define PHASE_STEP_SHIFT 21
344 #define DOWN_SCALE_RATIO_MAX 32 /* 2^(26-21) */
345
calc_phase_step(uint32_t src,uint32_t dst,uint32_t * out_phase)346 static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
347 {
348 uint32_t unit;
349
350 if (src == 0 || dst == 0)
351 return -EINVAL;
352
353 /*
354 * PHASE_STEP_X/Y is coded on 26 bits (25:0),
355 * where 2^21 represents the unity "1" in fixed-point hardware design.
356 * This leaves 5 bits for the integer part (downscale case):
357 * -> maximum downscale ratio = 0b1_1111 = 31
358 */
359 if (src > (dst * DOWN_SCALE_RATIO_MAX))
360 return -EOVERFLOW;
361
362 unit = 1 << PHASE_STEP_SHIFT;
363 *out_phase = mult_frac(unit, src, dst);
364
365 return 0;
366 }
367
calc_scalex_steps(uint32_t pixel_format,uint32_t src,uint32_t dest,uint32_t phasex_steps[2])368 static int calc_scalex_steps(uint32_t pixel_format, uint32_t src, uint32_t dest,
369 uint32_t phasex_steps[2])
370 {
371 uint32_t phasex_step;
372 unsigned int hsub;
373 int ret;
374
375 ret = calc_phase_step(src, dest, &phasex_step);
376 if (ret)
377 return ret;
378
379 hsub = drm_format_horz_chroma_subsampling(pixel_format);
380
381 phasex_steps[0] = phasex_step;
382 phasex_steps[1] = phasex_step / hsub;
383
384 return 0;
385 }
386
calc_scaley_steps(uint32_t pixel_format,uint32_t src,uint32_t dest,uint32_t phasey_steps[2])387 static int calc_scaley_steps(uint32_t pixel_format, uint32_t src, uint32_t dest,
388 uint32_t phasey_steps[2])
389 {
390 uint32_t phasey_step;
391 unsigned int vsub;
392 int ret;
393
394 ret = calc_phase_step(src, dest, &phasey_step);
395 if (ret)
396 return ret;
397
398 vsub = drm_format_vert_chroma_subsampling(pixel_format);
399
400 phasey_steps[0] = phasey_step;
401 phasey_steps[1] = phasey_step / vsub;
402
403 return 0;
404 }
405
get_scalex_config(uint32_t src,uint32_t dest)406 static uint32_t get_scalex_config(uint32_t src, uint32_t dest)
407 {
408 uint32_t filter;
409
410 filter = (src <= dest) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
411
412 return MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
413 MDP5_PIPE_SCALE_CONFIG_SCALEX_MIN_FILTER(filter) |
414 MDP5_PIPE_SCALE_CONFIG_SCALEX_CR_FILTER(filter) |
415 MDP5_PIPE_SCALE_CONFIG_SCALEX_MAX_FILTER(filter);
416 }
417
get_scaley_config(uint32_t src,uint32_t dest)418 static uint32_t get_scaley_config(uint32_t src, uint32_t dest)
419 {
420 uint32_t filter;
421
422 filter = (src <= dest) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
423
424 return MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
425 MDP5_PIPE_SCALE_CONFIG_SCALEY_MIN_FILTER(filter) |
426 MDP5_PIPE_SCALE_CONFIG_SCALEY_CR_FILTER(filter) |
427 MDP5_PIPE_SCALE_CONFIG_SCALEY_MAX_FILTER(filter);
428 }
429
mdp5_plane_mode_set(struct drm_plane * plane,struct drm_crtc * crtc,struct drm_framebuffer * fb,int crtc_x,int crtc_y,unsigned int crtc_w,unsigned int crtc_h,uint32_t src_x,uint32_t src_y,uint32_t src_w,uint32_t src_h)430 static int mdp5_plane_mode_set(struct drm_plane *plane,
431 struct drm_crtc *crtc, struct drm_framebuffer *fb,
432 int crtc_x, int crtc_y,
433 unsigned int crtc_w, unsigned int crtc_h,
434 uint32_t src_x, uint32_t src_y,
435 uint32_t src_w, uint32_t src_h)
436 {
437 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
438 struct mdp5_kms *mdp5_kms = get_kms(plane);
439 struct device *dev = mdp5_kms->dev->dev;
440 enum mdp5_pipe pipe = mdp5_plane->pipe;
441 const struct mdp_format *format;
442 uint32_t nplanes, config = 0;
443 /* below array -> index 0: comp 0/3 ; index 1: comp 1/2 */
444 uint32_t phasex_step[2] = {0,}, phasey_step[2] = {0,};
445 uint32_t hdecm = 0, vdecm = 0;
446 uint32_t pix_format;
447 unsigned long flags;
448 int ret;
449
450 nplanes = drm_format_num_planes(fb->pixel_format);
451
452 /* bad formats should already be rejected: */
453 if (WARN_ON(nplanes > pipe2nclients(pipe)))
454 return -EINVAL;
455
456 format = to_mdp_format(msm_framebuffer_format(fb));
457 pix_format = format->base.pixel_format;
458
459 /* src values are in Q16 fixed point, convert to integer: */
460 src_x = src_x >> 16;
461 src_y = src_y >> 16;
462 src_w = src_w >> 16;
463 src_h = src_h >> 16;
464
465 DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp5_plane->name,
466 fb->base.id, src_x, src_y, src_w, src_h,
467 crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
468
469 /* Request some memory from the SMP: */
470 ret = mdp5_smp_request(mdp5_kms->smp,
471 mdp5_plane->pipe, fb->pixel_format, src_w);
472 if (ret)
473 return ret;
474
475 /*
476 * Currently we update the hw for allocations/requests immediately,
477 * but once atomic modeset/pageflip is in place, the allocation
478 * would move into atomic->check_plane_state(), while updating the
479 * hw would remain here:
480 */
481 mdp5_smp_configure(mdp5_kms->smp, pipe);
482
483 /* SCALE is used to both scale and up-sample chroma components */
484
485 if ((src_w != crtc_w) || MDP_FORMAT_IS_YUV(format)) {
486 /* TODO calc hdecm */
487 ret = calc_scalex_steps(pix_format, src_w, crtc_w, phasex_step);
488 if (ret) {
489 dev_err(dev, "X scaling (%d -> %d) failed: %d\n",
490 src_w, crtc_w, ret);
491 return ret;
492 }
493 config |= get_scalex_config(src_w, crtc_w);
494 }
495
496 if ((src_h != crtc_h) || MDP_FORMAT_IS_YUV(format)) {
497 /* TODO calc vdecm */
498 ret = calc_scaley_steps(pix_format, src_h, crtc_h, phasey_step);
499 if (ret) {
500 dev_err(dev, "Y scaling (%d -> %d) failed: %d\n",
501 src_h, crtc_h, ret);
502 return ret;
503 }
504 config |= get_scaley_config(src_h, crtc_h);
505 }
506
507 spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
508
509 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
510 MDP5_PIPE_SRC_IMG_SIZE_WIDTH(fb->width) |
511 MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(fb->height));
512
513 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
514 MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
515 MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
516
517 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
518 MDP5_PIPE_SRC_XY_X(src_x) |
519 MDP5_PIPE_SRC_XY_Y(src_y));
520
521 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
522 MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
523 MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
524
525 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
526 MDP5_PIPE_OUT_XY_X(crtc_x) |
527 MDP5_PIPE_OUT_XY_Y(crtc_y));
528
529 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
530 MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
531 MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
532 MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
533 MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
534 COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
535 MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
536 MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
537 COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
538 MDP5_PIPE_SRC_FORMAT_NUM_PLANES(format->fetch_type) |
539 MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
540
541 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
542 MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
543 MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
544 MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
545 MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
546
547 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
548 MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
549
550 /* not using secure mode: */
551 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
552
553 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
554 phasex_step[0]);
555 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
556 phasey_step[0]);
557 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
558 phasex_step[1]);
559 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
560 phasey_step[1]);
561 mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
562 MDP5_PIPE_DECIMATION_VERT(vdecm) |
563 MDP5_PIPE_DECIMATION_HORZ(hdecm));
564 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe), config);
565
566 if (MDP_FORMAT_IS_YUV(format))
567 csc_enable(mdp5_kms, pipe,
568 mdp_get_default_csc_cfg(CSC_YUV2RGB));
569 else
570 csc_disable(mdp5_kms, pipe);
571
572 set_scanout_locked(plane, fb);
573
574 spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
575
576 return ret;
577 }
578
mdp5_plane_complete_flip(struct drm_plane * plane)579 void mdp5_plane_complete_flip(struct drm_plane *plane)
580 {
581 struct mdp5_kms *mdp5_kms = get_kms(plane);
582 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
583 enum mdp5_pipe pipe = mdp5_plane->pipe;
584
585 DBG("%s: complete flip", mdp5_plane->name);
586
587 mdp5_smp_commit(mdp5_kms->smp, pipe);
588
589 to_mdp5_plane_state(plane->state)->pending = false;
590 }
591
mdp5_plane_pipe(struct drm_plane * plane)592 enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
593 {
594 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
595 return mdp5_plane->pipe;
596 }
597
mdp5_plane_get_flush(struct drm_plane * plane)598 uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
599 {
600 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
601
602 return mdp5_plane->flush_mask;
603 }
604
605 /* initialize plane */
mdp5_plane_init(struct drm_device * dev,enum mdp5_pipe pipe,bool private_plane,uint32_t reg_offset)606 struct drm_plane *mdp5_plane_init(struct drm_device *dev,
607 enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset)
608 {
609 struct drm_plane *plane = NULL;
610 struct mdp5_plane *mdp5_plane;
611 int ret;
612 enum drm_plane_type type;
613
614 mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
615 if (!mdp5_plane) {
616 ret = -ENOMEM;
617 goto fail;
618 }
619
620 plane = &mdp5_plane->base;
621
622 mdp5_plane->pipe = pipe;
623 mdp5_plane->name = pipe2name(pipe);
624
625 mdp5_plane->nformats = mdp5_get_formats(pipe, mdp5_plane->formats,
626 ARRAY_SIZE(mdp5_plane->formats));
627
628 mdp5_plane->flush_mask = mdp_ctl_flush_mask_pipe(pipe);
629 mdp5_plane->reg_offset = reg_offset;
630 spin_lock_init(&mdp5_plane->pipe_lock);
631
632 type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
633 ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
634 mdp5_plane->formats, mdp5_plane->nformats,
635 type);
636 if (ret)
637 goto fail;
638
639 drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
640
641 mdp5_plane_install_properties(plane, &plane->base);
642
643 return plane;
644
645 fail:
646 if (plane)
647 mdp5_plane_destroy(plane);
648
649 return ERR_PTR(ret);
650 }
651