xref: /linux/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c (revision db5d28c0bfe566908719bec8e25443aabecbb802)
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_atomic.h>
9 #include <drm/drm_blend.h>
10 #include <drm/drm_damage_helper.h>
11 #include <drm/drm_fourcc.h>
12 #include <drm/drm_framebuffer.h>
13 #include <drm/drm_gem_atomic_helper.h>
14 #include <drm/drm_print.h>
15 
16 #include "mdp5_kms.h"
17 
18 struct mdp5_plane {
19 	struct drm_plane base;
20 };
21 #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
22 
23 static int mdp5_plane_mode_set(struct drm_plane *plane,
24 		struct drm_crtc *crtc, struct drm_framebuffer *fb,
25 		struct drm_rect *src, struct drm_rect *dest);
26 
get_kms(struct drm_plane * plane)27 static struct mdp5_kms *get_kms(struct drm_plane *plane)
28 {
29 	struct msm_drm_private *priv = plane->dev->dev_private;
30 	return to_mdp5_kms(to_mdp_kms(priv->kms));
31 }
32 
plane_enabled(struct drm_plane_state * state)33 static bool plane_enabled(struct drm_plane_state *state)
34 {
35 	return state->visible;
36 }
37 
38 /* helper to install properties which are common to planes and crtcs */
mdp5_plane_install_properties(struct drm_plane * plane,struct drm_mode_object * obj)39 static void mdp5_plane_install_properties(struct drm_plane *plane,
40 		struct drm_mode_object *obj)
41 {
42 	unsigned int zpos;
43 
44 	drm_plane_create_rotation_property(plane,
45 					   DRM_MODE_ROTATE_0,
46 					   DRM_MODE_ROTATE_0 |
47 					   DRM_MODE_ROTATE_180 |
48 					   DRM_MODE_REFLECT_X |
49 					   DRM_MODE_REFLECT_Y);
50 	drm_plane_create_alpha_property(plane);
51 	drm_plane_create_blend_mode_property(plane,
52 			BIT(DRM_MODE_BLEND_PIXEL_NONE) |
53 			BIT(DRM_MODE_BLEND_PREMULTI) |
54 			BIT(DRM_MODE_BLEND_COVERAGE));
55 
56 	if (plane->type == DRM_PLANE_TYPE_PRIMARY)
57 		zpos = STAGE_BASE;
58 	else
59 		zpos = STAGE0 + drm_plane_index(plane);
60 	drm_plane_create_zpos_property(plane, zpos, 1, 255);
61 }
62 
63 static void
mdp5_plane_atomic_print_state(struct drm_printer * p,const struct drm_plane_state * state)64 mdp5_plane_atomic_print_state(struct drm_printer *p,
65 		const struct drm_plane_state *state)
66 {
67 	struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
68 	struct mdp5_kms *mdp5_kms = get_kms(state->plane);
69 
70 	drm_printf(p, "\thwpipe=%s\n", pstate->hwpipe ?
71 			pstate->hwpipe->name : "(null)");
72 	if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT)
73 		drm_printf(p, "\tright-hwpipe=%s\n",
74 			   pstate->r_hwpipe ? pstate->r_hwpipe->name :
75 					      "(null)");
76 	drm_printf(p, "\tblend_mode=%u\n", pstate->base.pixel_blend_mode);
77 	drm_printf(p, "\tzpos=%u\n", pstate->base.zpos);
78 	drm_printf(p, "\tnormalized_zpos=%u\n", pstate->base.normalized_zpos);
79 	drm_printf(p, "\talpha=%u\n", pstate->base.alpha);
80 	drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
81 }
82 
mdp5_plane_reset(struct drm_plane * plane)83 static void mdp5_plane_reset(struct drm_plane *plane)
84 {
85 	struct mdp5_plane_state *mdp5_state;
86 
87 	if (plane->state)
88 		__drm_atomic_helper_plane_destroy_state(plane->state);
89 
90 	kfree(to_mdp5_plane_state(plane->state));
91 	plane->state = NULL;
92 	mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
93 	if (!mdp5_state)
94 		return;
95 	__drm_atomic_helper_plane_reset(plane, &mdp5_state->base);
96 }
97 
98 static struct drm_plane_state *
mdp5_plane_duplicate_state(struct drm_plane * plane)99 mdp5_plane_duplicate_state(struct drm_plane *plane)
100 {
101 	struct mdp5_plane_state *mdp5_state;
102 
103 	if (WARN_ON(!plane->state))
104 		return NULL;
105 
106 	mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
107 			sizeof(*mdp5_state), GFP_KERNEL);
108 	if (!mdp5_state)
109 		return NULL;
110 
111 	__drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base);
112 
113 	return &mdp5_state->base;
114 }
115 
mdp5_plane_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)116 static void mdp5_plane_destroy_state(struct drm_plane *plane,
117 		struct drm_plane_state *state)
118 {
119 	struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
120 
121 	__drm_atomic_helper_plane_destroy_state(state);
122 
123 	kfree(pstate);
124 }
125 
126 static const struct drm_plane_funcs mdp5_plane_funcs = {
127 		.update_plane = drm_atomic_helper_update_plane,
128 		.disable_plane = drm_atomic_helper_disable_plane,
129 		.reset = mdp5_plane_reset,
130 		.atomic_duplicate_state = mdp5_plane_duplicate_state,
131 		.atomic_destroy_state = mdp5_plane_destroy_state,
132 		.atomic_print_state = mdp5_plane_atomic_print_state,
133 };
134 
mdp5_plane_prepare_fb(struct drm_plane * plane,struct drm_plane_state * new_state)135 static int mdp5_plane_prepare_fb(struct drm_plane *plane,
136 				 struct drm_plane_state *new_state)
137 {
138 	struct msm_drm_private *priv = plane->dev->dev_private;
139 	struct msm_kms *kms = priv->kms;
140 	bool needs_dirtyfb = to_mdp5_plane_state(new_state)->needs_dirtyfb;
141 
142 	if (!new_state->fb)
143 		return 0;
144 
145 	drm_gem_plane_helper_prepare_fb(plane, new_state);
146 
147 	return msm_framebuffer_prepare(new_state->fb, kms->aspace, needs_dirtyfb);
148 }
149 
mdp5_plane_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)150 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
151 				  struct drm_plane_state *old_state)
152 {
153 	struct mdp5_kms *mdp5_kms = get_kms(plane);
154 	struct msm_kms *kms = &mdp5_kms->base.base;
155 	struct drm_framebuffer *fb = old_state->fb;
156 	bool needed_dirtyfb = to_mdp5_plane_state(old_state)->needs_dirtyfb;
157 
158 	if (!fb)
159 		return;
160 
161 	DBG("%s: cleanup: FB[%u]", plane->name, fb->base.id);
162 	msm_framebuffer_cleanup(fb, kms->aspace, needed_dirtyfb);
163 }
164 
mdp5_plane_atomic_check_with_state(struct drm_crtc_state * crtc_state,struct drm_plane_state * state)165 static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state,
166 					      struct drm_plane_state *state)
167 {
168 	struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
169 	struct drm_plane *plane = state->plane;
170 	struct drm_plane_state *old_state = plane->state;
171 	struct mdp5_cfg *config = mdp5_cfg_get_config(get_kms(plane)->cfg);
172 	bool new_hwpipe = false;
173 	bool need_right_hwpipe = false;
174 	uint32_t max_width, max_height;
175 	bool out_of_bounds = false;
176 	uint32_t caps = 0;
177 	int min_scale, max_scale;
178 	int ret;
179 
180 	DBG("%s: check (%d -> %d)", plane->name,
181 			plane_enabled(old_state), plane_enabled(state));
182 
183 	max_width = config->hw->lm.max_width << 16;
184 	max_height = config->hw->lm.max_height << 16;
185 
186 	/* Make sure source dimensions are within bounds. */
187 	if (state->src_h > max_height)
188 		out_of_bounds = true;
189 
190 	if (state->src_w > max_width) {
191 		/* If source split is supported, we can go up to 2x
192 		 * the max LM width, but we'd need to stage another
193 		 * hwpipe to the right LM. So, the drm_plane would
194 		 * consist of 2 hwpipes.
195 		 */
196 		if (config->hw->mdp.caps & MDP_CAP_SRC_SPLIT &&
197 		    (state->src_w <= 2 * max_width))
198 			need_right_hwpipe = true;
199 		else
200 			out_of_bounds = true;
201 	}
202 
203 	if (out_of_bounds) {
204 		struct drm_rect src = drm_plane_state_src(state);
205 		DBG("Invalid source size "DRM_RECT_FP_FMT,
206 				DRM_RECT_FP_ARG(&src));
207 		return -ERANGE;
208 	}
209 
210 	min_scale = FRAC_16_16(1, 8);
211 	max_scale = FRAC_16_16(8, 1);
212 
213 	ret = drm_atomic_helper_check_plane_state(state, crtc_state,
214 						  min_scale, max_scale,
215 						  true, true);
216 	if (ret)
217 		return ret;
218 
219 	if (plane_enabled(state)) {
220 		unsigned int rotation;
221 		const struct msm_format *format;
222 		struct mdp5_kms *mdp5_kms = get_kms(plane);
223 		uint32_t blkcfg = 0;
224 
225 		format = msm_framebuffer_format(state->fb);
226 		if (MSM_FORMAT_IS_YUV(format))
227 			caps |= MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC;
228 
229 		if (((state->src_w >> 16) != state->crtc_w) ||
230 				((state->src_h >> 16) != state->crtc_h))
231 			caps |= MDP_PIPE_CAP_SCALE;
232 
233 		rotation = drm_rotation_simplify(state->rotation,
234 						 DRM_MODE_ROTATE_0 |
235 						 DRM_MODE_REFLECT_X |
236 						 DRM_MODE_REFLECT_Y);
237 
238 		if (rotation & DRM_MODE_REFLECT_X)
239 			caps |= MDP_PIPE_CAP_HFLIP;
240 
241 		if (rotation & DRM_MODE_REFLECT_Y)
242 			caps |= MDP_PIPE_CAP_VFLIP;
243 
244 		if (plane->type == DRM_PLANE_TYPE_CURSOR)
245 			caps |= MDP_PIPE_CAP_CURSOR;
246 
247 		/* (re)allocate hw pipe if we don't have one or caps-mismatch: */
248 		if (!mdp5_state->hwpipe || (caps & ~mdp5_state->hwpipe->caps))
249 			new_hwpipe = true;
250 
251 		/*
252 		 * (re)allocte hw pipe if we're either requesting for 2 hw pipes
253 		 * or we're switching from 2 hw pipes to 1 hw pipe because the
254 		 * new src_w can be supported by 1 hw pipe itself.
255 		 */
256 		if ((need_right_hwpipe && !mdp5_state->r_hwpipe) ||
257 		    (!need_right_hwpipe && mdp5_state->r_hwpipe))
258 			new_hwpipe = true;
259 
260 		if (mdp5_kms->smp) {
261 			const struct msm_format *format =
262 				msm_framebuffer_format(state->fb);
263 
264 			blkcfg = mdp5_smp_calculate(mdp5_kms->smp, format,
265 					state->src_w >> 16, false);
266 
267 			if (mdp5_state->hwpipe && (mdp5_state->hwpipe->blkcfg != blkcfg))
268 				new_hwpipe = true;
269 		}
270 
271 		/* (re)assign hwpipe if needed, otherwise keep old one: */
272 		if (new_hwpipe) {
273 			/* TODO maybe we want to re-assign hwpipe sometimes
274 			 * in cases when we no-longer need some caps to make
275 			 * it available for other planes?
276 			 */
277 			struct mdp5_hw_pipe *old_hwpipe = mdp5_state->hwpipe;
278 			struct mdp5_hw_pipe *old_right_hwpipe =
279 							  mdp5_state->r_hwpipe;
280 			struct mdp5_hw_pipe *new_hwpipe = NULL;
281 			struct mdp5_hw_pipe *new_right_hwpipe = NULL;
282 
283 			ret = mdp5_pipe_assign(state->state, plane, caps,
284 					       blkcfg, &new_hwpipe,
285 					       need_right_hwpipe ?
286 					       &new_right_hwpipe : NULL);
287 			if (ret) {
288 				DBG("%s: failed to assign hwpipe(s)!",
289 				    plane->name);
290 				return ret;
291 			}
292 
293 			mdp5_state->hwpipe = new_hwpipe;
294 			if (need_right_hwpipe)
295 				mdp5_state->r_hwpipe = new_right_hwpipe;
296 			else
297 				/*
298 				 * set it to NULL so that the driver knows we
299 				 * don't have a right hwpipe when committing a
300 				 * new state
301 				 */
302 				mdp5_state->r_hwpipe = NULL;
303 
304 
305 			ret = mdp5_pipe_release(state->state, old_hwpipe);
306 			if (ret)
307 				return ret;
308 
309 			ret = mdp5_pipe_release(state->state, old_right_hwpipe);
310 			if (ret)
311 				return ret;
312 
313 		}
314 	} else {
315 		ret = mdp5_pipe_release(state->state, mdp5_state->hwpipe);
316 		if (ret)
317 			return ret;
318 
319 		ret = mdp5_pipe_release(state->state, mdp5_state->r_hwpipe);
320 		if (ret)
321 			return ret;
322 
323 		mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL;
324 	}
325 
326 	return 0;
327 }
328 
mdp5_plane_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)329 static int mdp5_plane_atomic_check(struct drm_plane *plane,
330 				   struct drm_atomic_state *state)
331 {
332 	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state,
333 										 plane);
334 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
335 										 plane);
336 	struct drm_crtc *crtc;
337 	struct drm_crtc_state *crtc_state;
338 
339 	crtc = new_plane_state->crtc ? new_plane_state->crtc : old_plane_state->crtc;
340 	if (!crtc)
341 		return 0;
342 
343 	crtc_state = drm_atomic_get_existing_crtc_state(state,
344 							crtc);
345 	if (WARN_ON(!crtc_state))
346 		return -EINVAL;
347 
348 	return mdp5_plane_atomic_check_with_state(crtc_state, new_plane_state);
349 }
350 
mdp5_plane_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)351 static void mdp5_plane_atomic_update(struct drm_plane *plane,
352 				     struct drm_atomic_state *state)
353 {
354 	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
355 									   plane);
356 
357 	DBG("%s: update", plane->name);
358 
359 	if (plane_enabled(new_state)) {
360 		int ret;
361 
362 		ret = mdp5_plane_mode_set(plane,
363 				new_state->crtc, new_state->fb,
364 				&new_state->src, &new_state->dst);
365 		/* atomic_check should have ensured that this doesn't fail */
366 		WARN_ON(ret < 0);
367 	}
368 }
369 
mdp5_plane_atomic_async_check(struct drm_plane * plane,struct drm_atomic_state * state)370 static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
371 					 struct drm_atomic_state *state)
372 {
373 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
374 										 plane);
375 	struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(new_plane_state);
376 	struct drm_crtc_state *crtc_state;
377 	int min_scale, max_scale;
378 	int ret;
379 
380 	crtc_state = drm_atomic_get_existing_crtc_state(state,
381 							new_plane_state->crtc);
382 	if (WARN_ON(!crtc_state))
383 		return -EINVAL;
384 
385 	if (!crtc_state->active)
386 		return -EINVAL;
387 
388 	/* don't use fast path if we don't have a hwpipe allocated yet */
389 	if (!mdp5_state->hwpipe)
390 		return -EINVAL;
391 
392 	/* only allow changing of position(crtc x/y or src x/y) in fast path */
393 	if (plane->state->crtc != new_plane_state->crtc ||
394 	    plane->state->src_w != new_plane_state->src_w ||
395 	    plane->state->src_h != new_plane_state->src_h ||
396 	    plane->state->crtc_w != new_plane_state->crtc_w ||
397 	    plane->state->crtc_h != new_plane_state->crtc_h ||
398 	    !plane->state->fb ||
399 	    plane->state->fb != new_plane_state->fb)
400 		return -EINVAL;
401 
402 	min_scale = FRAC_16_16(1, 8);
403 	max_scale = FRAC_16_16(8, 1);
404 
405 	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
406 						  min_scale, max_scale,
407 						  true, true);
408 	if (ret)
409 		return ret;
410 
411 	/*
412 	 * if the visibility of the plane changes (i.e, if the cursor is
413 	 * clipped out completely, we can't take the async path because
414 	 * we need to stage/unstage the plane from the Layer Mixer(s). We
415 	 * also assign/unassign the hwpipe(s) tied to the plane. We avoid
416 	 * taking the fast path for both these reasons.
417 	 */
418 	if (new_plane_state->visible != plane->state->visible)
419 		return -EINVAL;
420 
421 	return 0;
422 }
423 
mdp5_plane_atomic_async_update(struct drm_plane * plane,struct drm_atomic_state * state)424 static void mdp5_plane_atomic_async_update(struct drm_plane *plane,
425 					   struct drm_atomic_state *state)
426 {
427 	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
428 									   plane);
429 	struct drm_framebuffer *old_fb = plane->state->fb;
430 
431 	plane->state->src_x = new_state->src_x;
432 	plane->state->src_y = new_state->src_y;
433 	plane->state->crtc_x = new_state->crtc_x;
434 	plane->state->crtc_y = new_state->crtc_y;
435 
436 	if (plane_enabled(new_state)) {
437 		struct mdp5_ctl *ctl;
438 		struct mdp5_pipeline *pipeline =
439 					mdp5_crtc_get_pipeline(new_state->crtc);
440 		int ret;
441 
442 		ret = mdp5_plane_mode_set(plane, new_state->crtc, new_state->fb,
443 				&new_state->src, &new_state->dst);
444 		WARN_ON(ret < 0);
445 
446 		ctl = mdp5_crtc_get_ctl(new_state->crtc);
447 
448 		mdp5_ctl_commit(ctl, pipeline, mdp5_plane_get_flush(plane), true);
449 	}
450 
451 	*to_mdp5_plane_state(plane->state) =
452 		*to_mdp5_plane_state(new_state);
453 
454 	new_state->fb = old_fb;
455 }
456 
457 static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
458 		.prepare_fb = mdp5_plane_prepare_fb,
459 		.cleanup_fb = mdp5_plane_cleanup_fb,
460 		.atomic_check = mdp5_plane_atomic_check,
461 		.atomic_update = mdp5_plane_atomic_update,
462 		.atomic_async_check = mdp5_plane_atomic_async_check,
463 		.atomic_async_update = mdp5_plane_atomic_async_update,
464 };
465 
set_scanout_locked(struct mdp5_kms * mdp5_kms,enum mdp5_pipe pipe,struct drm_framebuffer * fb)466 static void set_scanout_locked(struct mdp5_kms *mdp5_kms,
467 			       enum mdp5_pipe pipe,
468 			       struct drm_framebuffer *fb)
469 {
470 	struct msm_kms *kms = &mdp5_kms->base.base;
471 
472 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
473 			MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
474 			MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
475 
476 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
477 			MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
478 			MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
479 
480 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
481 			msm_framebuffer_iova(fb, kms->aspace, 0));
482 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
483 			msm_framebuffer_iova(fb, kms->aspace, 1));
484 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
485 			msm_framebuffer_iova(fb, kms->aspace, 2));
486 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
487 			msm_framebuffer_iova(fb, kms->aspace, 3));
488 }
489 
490 /* Note: mdp5_plane->pipe_lock must be locked */
csc_disable(struct mdp5_kms * mdp5_kms,enum mdp5_pipe pipe)491 static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
492 {
493 	uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
494 			 ~MDP5_PIPE_OP_MODE_CSC_1_EN;
495 
496 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
497 }
498 
499 /* Note: mdp5_plane->pipe_lock must be locked */
csc_enable(struct mdp5_kms * mdp5_kms,enum mdp5_pipe pipe,struct csc_cfg * csc)500 static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
501 		struct csc_cfg *csc)
502 {
503 	uint32_t  i, mode = 0; /* RGB, no CSC */
504 	uint32_t *matrix;
505 
506 	if (unlikely(!csc))
507 		return;
508 
509 	if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
510 		mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
511 	if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
512 		mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
513 	mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
514 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
515 
516 	matrix = csc->matrix;
517 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
518 			MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
519 			MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
520 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
521 			MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
522 			MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
523 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
524 			MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
525 			MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
526 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
527 			MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
528 			MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
529 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
530 			MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
531 
532 	for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
533 		uint32_t *pre_clamp = csc->pre_clamp;
534 		uint32_t *post_clamp = csc->post_clamp;
535 
536 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
537 			MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
538 			MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
539 
540 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
541 			MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
542 			MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
543 
544 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
545 			MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
546 
547 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
548 			MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
549 	}
550 }
551 
552 #define PHASE_STEP_SHIFT	21
553 #define DOWN_SCALE_RATIO_MAX	32	/* 2^(26-21) */
554 
calc_phase_step(uint32_t src,uint32_t dst,uint32_t * out_phase)555 static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
556 {
557 	uint32_t unit;
558 
559 	if (src == 0 || dst == 0)
560 		return -EINVAL;
561 
562 	/*
563 	 * PHASE_STEP_X/Y is coded on 26 bits (25:0),
564 	 * where 2^21 represents the unity "1" in fixed-point hardware design.
565 	 * This leaves 5 bits for the integer part (downscale case):
566 	 *	-> maximum downscale ratio = 0b1_1111 = 31
567 	 */
568 	if (src > (dst * DOWN_SCALE_RATIO_MAX))
569 		return -EOVERFLOW;
570 
571 	unit = 1 << PHASE_STEP_SHIFT;
572 	*out_phase = mult_frac(unit, src, dst);
573 
574 	return 0;
575 }
576 
calc_scalex_steps(struct drm_plane * plane,uint32_t pixel_format,uint32_t src,uint32_t dest,uint32_t phasex_steps[COMP_MAX])577 static int calc_scalex_steps(struct drm_plane *plane,
578 		uint32_t pixel_format, uint32_t src, uint32_t dest,
579 		uint32_t phasex_steps[COMP_MAX])
580 {
581 	const struct drm_format_info *info = drm_format_info(pixel_format);
582 	struct mdp5_kms *mdp5_kms = get_kms(plane);
583 	struct device *dev = mdp5_kms->dev->dev;
584 	uint32_t phasex_step;
585 	int ret;
586 
587 	ret = calc_phase_step(src, dest, &phasex_step);
588 	if (ret) {
589 		DRM_DEV_ERROR(dev, "X scaling (%d->%d) failed: %d\n", src, dest, ret);
590 		return ret;
591 	}
592 
593 	phasex_steps[COMP_0]   = phasex_step;
594 	phasex_steps[COMP_3]   = phasex_step;
595 	phasex_steps[COMP_1_2] = phasex_step / info->hsub;
596 
597 	return 0;
598 }
599 
calc_scaley_steps(struct drm_plane * plane,uint32_t pixel_format,uint32_t src,uint32_t dest,uint32_t phasey_steps[COMP_MAX])600 static int calc_scaley_steps(struct drm_plane *plane,
601 		uint32_t pixel_format, uint32_t src, uint32_t dest,
602 		uint32_t phasey_steps[COMP_MAX])
603 {
604 	const struct drm_format_info *info = drm_format_info(pixel_format);
605 	struct mdp5_kms *mdp5_kms = get_kms(plane);
606 	struct device *dev = mdp5_kms->dev->dev;
607 	uint32_t phasey_step;
608 	int ret;
609 
610 	ret = calc_phase_step(src, dest, &phasey_step);
611 	if (ret) {
612 		DRM_DEV_ERROR(dev, "Y scaling (%d->%d) failed: %d\n", src, dest, ret);
613 		return ret;
614 	}
615 
616 	phasey_steps[COMP_0]   = phasey_step;
617 	phasey_steps[COMP_3]   = phasey_step;
618 	phasey_steps[COMP_1_2] = phasey_step / info->vsub;
619 
620 	return 0;
621 }
622 
get_scale_config(const struct msm_format * format,uint32_t src,uint32_t dst,bool horz)623 static uint32_t get_scale_config(const struct msm_format *format,
624 		uint32_t src, uint32_t dst, bool horz)
625 {
626 	const struct drm_format_info *info = drm_format_info(format->pixel_format);
627 	bool yuv = MSM_FORMAT_IS_YUV(format);
628 	bool scaling = yuv ? true : (src != dst);
629 	uint32_t sub;
630 	uint32_t ya_filter, uv_filter;
631 
632 	if (!scaling)
633 		return 0;
634 
635 	if (yuv) {
636 		sub = horz ? info->hsub : info->vsub;
637 		uv_filter = ((src / sub) <= dst) ?
638 				   SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
639 	}
640 	ya_filter = (src <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
641 
642 	if (horz)
643 		return  MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
644 			MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_0(ya_filter) |
645 			MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_3(ya_filter) |
646 			COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_1_2(uv_filter));
647 	else
648 		return  MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
649 			MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_0(ya_filter) |
650 			MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_3(ya_filter) |
651 			COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_1_2(uv_filter));
652 }
653 
calc_pixel_ext(const struct msm_format * format,uint32_t src,uint32_t dst,uint32_t phase_step[2],int pix_ext_edge1[COMP_MAX],int pix_ext_edge2[COMP_MAX],bool horz)654 static void calc_pixel_ext(const struct msm_format *format,
655 		uint32_t src, uint32_t dst, uint32_t phase_step[2],
656 		int pix_ext_edge1[COMP_MAX], int pix_ext_edge2[COMP_MAX],
657 		bool horz)
658 {
659 	bool scaling = MSM_FORMAT_IS_YUV(format) ? true : (src != dst);
660 	int i;
661 
662 	/*
663 	 * Note:
664 	 * We assume here that:
665 	 *     1. PCMN filter is used for downscale
666 	 *     2. bilinear filter is used for upscale
667 	 *     3. we are in a single pipe configuration
668 	 */
669 
670 	for (i = 0; i < COMP_MAX; i++) {
671 		pix_ext_edge1[i] = 0;
672 		pix_ext_edge2[i] = scaling ? 1 : 0;
673 	}
674 }
675 
mdp5_write_pixel_ext(struct mdp5_kms * mdp5_kms,enum mdp5_pipe pipe,const struct msm_format * format,uint32_t src_w,int pe_left[COMP_MAX],int pe_right[COMP_MAX],uint32_t src_h,int pe_top[COMP_MAX],int pe_bottom[COMP_MAX])676 static void mdp5_write_pixel_ext(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
677 	const struct msm_format *format,
678 	uint32_t src_w, int pe_left[COMP_MAX], int pe_right[COMP_MAX],
679 	uint32_t src_h, int pe_top[COMP_MAX], int pe_bottom[COMP_MAX])
680 {
681 	const struct drm_format_info *info = drm_format_info(format->pixel_format);
682 	uint32_t lr, tb, req;
683 	int i;
684 
685 	for (i = 0; i < COMP_MAX; i++) {
686 		uint32_t roi_w = src_w;
687 		uint32_t roi_h = src_h;
688 
689 		if (MSM_FORMAT_IS_YUV(format) && i == COMP_1_2) {
690 			roi_w /= info->hsub;
691 			roi_h /= info->vsub;
692 		}
693 
694 		lr  = (pe_left[i] >= 0) ?
695 			MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT(pe_left[i]) :
696 			MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF(pe_left[i]);
697 
698 		lr |= (pe_right[i] >= 0) ?
699 			MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT(pe_right[i]) :
700 			MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF(pe_right[i]);
701 
702 		tb  = (pe_top[i] >= 0) ?
703 			MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT(pe_top[i]) :
704 			MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF(pe_top[i]);
705 
706 		tb |= (pe_bottom[i] >= 0) ?
707 			MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT(pe_bottom[i]) :
708 			MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF(pe_bottom[i]);
709 
710 		req  = MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT(roi_w +
711 				pe_left[i] + pe_right[i]);
712 
713 		req |= MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM(roi_h +
714 				pe_top[i] + pe_bottom[i]);
715 
716 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_LR(pipe, i), lr);
717 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_TB(pipe, i), tb);
718 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS(pipe, i), req);
719 
720 		DBG("comp-%d (L/R): rpt=%d/%d, ovf=%d/%d, req=%d", i,
721 			FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT),
722 			FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT),
723 			FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF),
724 			FIELD(lr,  MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF),
725 			FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT));
726 
727 		DBG("comp-%d (T/B): rpt=%d/%d, ovf=%d/%d, req=%d", i,
728 			FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT),
729 			FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT),
730 			FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF),
731 			FIELD(tb,  MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF),
732 			FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM));
733 	}
734 }
735 
736 struct pixel_ext {
737 	int left[COMP_MAX];
738 	int right[COMP_MAX];
739 	int top[COMP_MAX];
740 	int bottom[COMP_MAX];
741 };
742 
743 struct phase_step {
744 	u32 x[COMP_MAX];
745 	u32 y[COMP_MAX];
746 };
747 
mdp5_hwpipe_mode_set(struct mdp5_kms * mdp5_kms,struct mdp5_hw_pipe * hwpipe,struct drm_framebuffer * fb,struct phase_step * step,struct pixel_ext * pe,u32 scale_config,u32 hdecm,u32 vdecm,bool hflip,bool vflip,int crtc_x,int crtc_y,unsigned int crtc_w,unsigned int crtc_h,u32 src_img_w,u32 src_img_h,u32 src_x,u32 src_y,u32 src_w,u32 src_h)748 static void mdp5_hwpipe_mode_set(struct mdp5_kms *mdp5_kms,
749 				 struct mdp5_hw_pipe *hwpipe,
750 				 struct drm_framebuffer *fb,
751 				 struct phase_step *step,
752 				 struct pixel_ext *pe,
753 				 u32 scale_config, u32 hdecm, u32 vdecm,
754 				 bool hflip, bool vflip,
755 				 int crtc_x, int crtc_y,
756 				 unsigned int crtc_w, unsigned int crtc_h,
757 				 u32 src_img_w, u32 src_img_h,
758 				 u32 src_x, u32 src_y,
759 				 u32 src_w, u32 src_h)
760 {
761 	enum mdp5_pipe pipe = hwpipe->pipe;
762 	bool has_pe = hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT;
763 	const struct msm_format *format =
764 			msm_framebuffer_format(fb);
765 
766 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
767 			MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_img_w) |
768 			MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_img_h));
769 
770 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
771 			MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
772 			MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
773 
774 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
775 			MDP5_PIPE_SRC_XY_X(src_x) |
776 			MDP5_PIPE_SRC_XY_Y(src_y));
777 
778 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
779 			MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
780 			MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
781 
782 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
783 			MDP5_PIPE_OUT_XY_X(crtc_x) |
784 			MDP5_PIPE_OUT_XY_Y(crtc_y));
785 
786 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
787 			MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
788 			MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r_cr) |
789 			MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g_y) |
790 			MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b_cb) |
791 			COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
792 			MDP5_PIPE_SRC_FORMAT_CPP(format->bpp - 1) |
793 			MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
794 			COND(format->flags & MSM_FORMAT_FLAG_UNPACK_TIGHT,
795 			     MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
796 			MDP5_PIPE_SRC_FORMAT_FETCH_TYPE(format->fetch_type) |
797 			MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
798 
799 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
800 			MDP5_PIPE_SRC_UNPACK_ELEM0(format->element[0]) |
801 			MDP5_PIPE_SRC_UNPACK_ELEM1(format->element[1]) |
802 			MDP5_PIPE_SRC_UNPACK_ELEM2(format->element[2]) |
803 			MDP5_PIPE_SRC_UNPACK_ELEM3(format->element[3]));
804 
805 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
806 			(hflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_LR : 0) |
807 			(vflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_UD : 0) |
808 			COND(has_pe, MDP5_PIPE_SRC_OP_MODE_SW_PIX_EXT_OVERRIDE) |
809 			MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
810 
811 	/* not using secure mode: */
812 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
813 
814 	if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT)
815 		mdp5_write_pixel_ext(mdp5_kms, pipe, format,
816 				src_w, pe->left, pe->right,
817 				src_h, pe->top, pe->bottom);
818 
819 	if (hwpipe->caps & MDP_PIPE_CAP_SCALE) {
820 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
821 				step->x[COMP_0]);
822 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
823 				step->y[COMP_0]);
824 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
825 				step->x[COMP_1_2]);
826 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
827 				step->y[COMP_1_2]);
828 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
829 				MDP5_PIPE_DECIMATION_VERT(vdecm) |
830 				MDP5_PIPE_DECIMATION_HORZ(hdecm));
831 		mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe),
832 			   scale_config);
833 	}
834 
835 	if (hwpipe->caps & MDP_PIPE_CAP_CSC) {
836 		if (MSM_FORMAT_IS_YUV(format))
837 			csc_enable(mdp5_kms, pipe,
838 					mdp_get_default_csc_cfg(CSC_YUV2RGB));
839 		else
840 			csc_disable(mdp5_kms, pipe);
841 	}
842 
843 	set_scanout_locked(mdp5_kms, pipe, fb);
844 }
845 
mdp5_plane_mode_set(struct drm_plane * plane,struct drm_crtc * crtc,struct drm_framebuffer * fb,struct drm_rect * src,struct drm_rect * dest)846 static int mdp5_plane_mode_set(struct drm_plane *plane,
847 		struct drm_crtc *crtc, struct drm_framebuffer *fb,
848 		struct drm_rect *src, struct drm_rect *dest)
849 {
850 	struct drm_plane_state *pstate = plane->state;
851 	struct mdp5_hw_pipe *hwpipe = to_mdp5_plane_state(pstate)->hwpipe;
852 	struct mdp5_kms *mdp5_kms = get_kms(plane);
853 	enum mdp5_pipe pipe = hwpipe->pipe;
854 	struct mdp5_hw_pipe *right_hwpipe;
855 	const struct msm_format *format;
856 	uint32_t nplanes, config = 0;
857 	struct phase_step step = { { 0 } };
858 	struct pixel_ext pe = { { 0 } };
859 	uint32_t hdecm = 0, vdecm = 0;
860 	uint32_t pix_format;
861 	unsigned int rotation;
862 	bool vflip, hflip;
863 	int crtc_x, crtc_y;
864 	unsigned int crtc_w, crtc_h;
865 	uint32_t src_x, src_y;
866 	uint32_t src_w, src_h;
867 	uint32_t src_img_w, src_img_h;
868 	int ret;
869 
870 	nplanes = fb->format->num_planes;
871 
872 	/* bad formats should already be rejected: */
873 	if (WARN_ON(nplanes > pipe2nclients(pipe)))
874 		return -EINVAL;
875 
876 	format = msm_framebuffer_format(fb);
877 	pix_format = format->pixel_format;
878 
879 	src_x = src->x1;
880 	src_y = src->y1;
881 	src_w = drm_rect_width(src);
882 	src_h = drm_rect_height(src);
883 
884 	crtc_x = dest->x1;
885 	crtc_y = dest->y1;
886 	crtc_w = drm_rect_width(dest);
887 	crtc_h = drm_rect_height(dest);
888 
889 	/* src values are in Q16 fixed point, convert to integer: */
890 	src_x = src_x >> 16;
891 	src_y = src_y >> 16;
892 	src_w = src_w >> 16;
893 	src_h = src_h >> 16;
894 
895 	src_img_w = min(fb->width, src_w);
896 	src_img_h = min(fb->height, src_h);
897 
898 	DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", plane->name,
899 			fb->base.id, src_x, src_y, src_w, src_h,
900 			crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
901 
902 	right_hwpipe = to_mdp5_plane_state(pstate)->r_hwpipe;
903 	if (right_hwpipe) {
904 		/*
905 		 * if the plane comprises of 2 hw pipes, assume that the width
906 		 * is split equally across them. The only parameters that varies
907 		 * between the 2 pipes are src_x and crtc_x
908 		 */
909 		crtc_w /= 2;
910 		src_w /= 2;
911 		src_img_w /= 2;
912 	}
913 
914 	ret = calc_scalex_steps(plane, pix_format, src_w, crtc_w, step.x);
915 	if (ret)
916 		return ret;
917 
918 	ret = calc_scaley_steps(plane, pix_format, src_h, crtc_h, step.y);
919 	if (ret)
920 		return ret;
921 
922 	if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT) {
923 		calc_pixel_ext(format, src_w, crtc_w, step.x,
924 			       pe.left, pe.right, true);
925 		calc_pixel_ext(format, src_h, crtc_h, step.y,
926 			       pe.top, pe.bottom, false);
927 	}
928 
929 	/* TODO calc hdecm, vdecm */
930 
931 	/* SCALE is used to both scale and up-sample chroma components */
932 	config |= get_scale_config(format, src_w, crtc_w, true);
933 	config |= get_scale_config(format, src_h, crtc_h, false);
934 	DBG("scale config = %x", config);
935 
936 	rotation = drm_rotation_simplify(pstate->rotation,
937 					 DRM_MODE_ROTATE_0 |
938 					 DRM_MODE_REFLECT_X |
939 					 DRM_MODE_REFLECT_Y);
940 	hflip = !!(rotation & DRM_MODE_REFLECT_X);
941 	vflip = !!(rotation & DRM_MODE_REFLECT_Y);
942 
943 	mdp5_hwpipe_mode_set(mdp5_kms, hwpipe, fb, &step, &pe,
944 			     config, hdecm, vdecm, hflip, vflip,
945 			     crtc_x, crtc_y, crtc_w, crtc_h,
946 			     src_img_w, src_img_h,
947 			     src_x, src_y, src_w, src_h);
948 	if (right_hwpipe)
949 		mdp5_hwpipe_mode_set(mdp5_kms, right_hwpipe, fb, &step, &pe,
950 				     config, hdecm, vdecm, hflip, vflip,
951 				     crtc_x + crtc_w, crtc_y, crtc_w, crtc_h,
952 				     src_img_w, src_img_h,
953 				     src_x + src_w, src_y, src_w, src_h);
954 
955 	return ret;
956 }
957 
958 /*
959  * Use this func and the one below only after the atomic state has been
960  * successfully swapped
961  */
mdp5_plane_pipe(struct drm_plane * plane)962 enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
963 {
964 	struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
965 
966 	if (WARN_ON(!pstate->hwpipe))
967 		return SSPP_NONE;
968 
969 	return pstate->hwpipe->pipe;
970 }
971 
mdp5_plane_right_pipe(struct drm_plane * plane)972 enum mdp5_pipe mdp5_plane_right_pipe(struct drm_plane *plane)
973 {
974 	struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
975 
976 	if (!pstate->r_hwpipe)
977 		return SSPP_NONE;
978 
979 	return pstate->r_hwpipe->pipe;
980 }
981 
mdp5_plane_get_flush(struct drm_plane * plane)982 uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
983 {
984 	struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
985 	u32 mask;
986 
987 	if (WARN_ON(!pstate->hwpipe))
988 		return 0;
989 
990 	mask = pstate->hwpipe->flush_mask;
991 
992 	if (pstate->r_hwpipe)
993 		mask |= pstate->r_hwpipe->flush_mask;
994 
995 	return mask;
996 }
997 
998 static const uint32_t mdp5_plane_formats[] = {
999 	DRM_FORMAT_ARGB8888,
1000 	DRM_FORMAT_ABGR8888,
1001 	DRM_FORMAT_RGBA8888,
1002 	DRM_FORMAT_BGRA8888,
1003 	DRM_FORMAT_XRGB8888,
1004 	DRM_FORMAT_XBGR8888,
1005 	DRM_FORMAT_RGBX8888,
1006 	DRM_FORMAT_BGRX8888,
1007 	DRM_FORMAT_RGB888,
1008 	DRM_FORMAT_BGR888,
1009 	DRM_FORMAT_RGB565,
1010 	DRM_FORMAT_BGR565,
1011 
1012 	DRM_FORMAT_NV12,
1013 	DRM_FORMAT_NV21,
1014 	DRM_FORMAT_NV16,
1015 	DRM_FORMAT_NV61,
1016 	DRM_FORMAT_VYUY,
1017 	DRM_FORMAT_UYVY,
1018 	DRM_FORMAT_YUYV,
1019 	DRM_FORMAT_YVYU,
1020 	DRM_FORMAT_YUV420,
1021 	DRM_FORMAT_YVU420,
1022 };
1023 
1024 /* initialize plane */
mdp5_plane_init(struct drm_device * dev,enum drm_plane_type type)1025 struct drm_plane *mdp5_plane_init(struct drm_device *dev,
1026 				  enum drm_plane_type type)
1027 {
1028 	struct drm_plane *plane = NULL;
1029 	struct mdp5_plane *mdp5_plane;
1030 
1031 	mdp5_plane = drmm_universal_plane_alloc(dev, struct mdp5_plane, base,
1032 						0xff, &mdp5_plane_funcs,
1033 						mdp5_plane_formats, ARRAY_SIZE(mdp5_plane_formats),
1034 						NULL, type, NULL);
1035 	if (IS_ERR(mdp5_plane))
1036 		return ERR_CAST(mdp5_plane);
1037 
1038 	plane = &mdp5_plane->base;
1039 
1040 	drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
1041 
1042 	mdp5_plane_install_properties(plane, &plane->base);
1043 
1044 	drm_plane_enable_fb_damage_clips(plane);
1045 
1046 	return plane;
1047 }
1048