2 * Copyright (C) 2014-2015 The Linux Foundation. All rights reserved.
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
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.
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
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/>.
19 #include <drm/drm_print.h>
23 struct drm_plane base;
28 #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
30 static int mdp5_plane_mode_set(struct drm_plane *plane,
31 struct drm_crtc *crtc, struct drm_framebuffer *fb,
32 struct drm_rect *src, struct drm_rect *dest);
34 static int mdp5_update_cursor_plane_legacy(struct drm_plane *plane,
35 struct drm_crtc *crtc,
36 struct drm_framebuffer *fb,
37 int crtc_x, int crtc_y,
38 unsigned int crtc_w, unsigned int crtc_h,
39 uint32_t src_x, uint32_t src_y,
40 uint32_t src_w, uint32_t src_h,
41 struct drm_modeset_acquire_ctx *ctx);
43 static struct mdp5_kms *get_kms(struct drm_plane *plane)
45 struct msm_drm_private *priv = plane->dev->dev_private;
46 return to_mdp5_kms(to_mdp_kms(priv->kms));
49 static bool plane_enabled(struct drm_plane_state *state)
51 return state->visible;
54 static void mdp5_plane_destroy(struct drm_plane *plane)
56 struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
58 drm_plane_helper_disable(plane);
59 drm_plane_cleanup(plane);
64 static void mdp5_plane_install_rotation_property(struct drm_device *dev,
65 struct drm_plane *plane)
67 drm_plane_create_rotation_property(plane,
75 /* helper to install properties which are common to planes and crtcs */
76 static void mdp5_plane_install_properties(struct drm_plane *plane,
77 struct drm_mode_object *obj)
79 struct drm_device *dev = plane->dev;
80 struct msm_drm_private *dev_priv = dev->dev_private;
81 struct drm_property *prop;
83 #define INSTALL_PROPERTY(name, NAME, init_val, fnc, ...) do { \
84 prop = dev_priv->plane_property[PLANE_PROP_##NAME]; \
86 prop = drm_property_##fnc(dev, 0, #name, \
90 "Create property %s failed\n", \
94 dev_priv->plane_property[PLANE_PROP_##NAME] = prop; \
96 drm_object_attach_property(&plane->base, prop, init_val); \
99 #define INSTALL_RANGE_PROPERTY(name, NAME, min, max, init_val) \
100 INSTALL_PROPERTY(name, NAME, init_val, \
101 create_range, min, max)
103 #define INSTALL_ENUM_PROPERTY(name, NAME, init_val) \
104 INSTALL_PROPERTY(name, NAME, init_val, \
105 create_enum, name##_prop_enum_list, \
106 ARRAY_SIZE(name##_prop_enum_list))
108 INSTALL_RANGE_PROPERTY(zpos, ZPOS, 1, 255, 1);
110 mdp5_plane_install_rotation_property(dev, plane);
112 #undef INSTALL_RANGE_PROPERTY
113 #undef INSTALL_ENUM_PROPERTY
114 #undef INSTALL_PROPERTY
117 static int mdp5_plane_atomic_set_property(struct drm_plane *plane,
118 struct drm_plane_state *state, struct drm_property *property,
121 struct drm_device *dev = plane->dev;
122 struct mdp5_plane_state *pstate;
123 struct msm_drm_private *dev_priv = dev->dev_private;
126 pstate = to_mdp5_plane_state(state);
128 #define SET_PROPERTY(name, NAME, type) do { \
129 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
130 pstate->name = (type)val; \
131 DBG("Set property %s %d", #name, (type)val); \
136 SET_PROPERTY(zpos, ZPOS, uint8_t);
138 dev_err(dev->dev, "Invalid property\n");
145 static int mdp5_plane_atomic_get_property(struct drm_plane *plane,
146 const struct drm_plane_state *state,
147 struct drm_property *property, uint64_t *val)
149 struct drm_device *dev = plane->dev;
150 struct mdp5_plane_state *pstate;
151 struct msm_drm_private *dev_priv = dev->dev_private;
154 pstate = to_mdp5_plane_state(state);
156 #define GET_PROPERTY(name, NAME, type) do { \
157 if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \
158 *val = pstate->name; \
159 DBG("Get property %s %lld", #name, *val); \
164 GET_PROPERTY(zpos, ZPOS, uint8_t);
166 dev_err(dev->dev, "Invalid property\n");
174 mdp5_plane_atomic_print_state(struct drm_printer *p,
175 const struct drm_plane_state *state)
177 struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
178 struct mdp5_kms *mdp5_kms = get_kms(state->plane);
180 drm_printf(p, "\thwpipe=%s\n", pstate->hwpipe ?
181 pstate->hwpipe->name : "(null)");
182 if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT)
183 drm_printf(p, "\tright-hwpipe=%s\n",
184 pstate->r_hwpipe ? pstate->r_hwpipe->name :
186 drm_printf(p, "\tpremultiplied=%u\n", pstate->premultiplied);
187 drm_printf(p, "\tzpos=%u\n", pstate->zpos);
188 drm_printf(p, "\talpha=%u\n", pstate->alpha);
189 drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
192 static void mdp5_plane_reset(struct drm_plane *plane)
194 struct mdp5_plane_state *mdp5_state;
196 if (plane->state && plane->state->fb)
197 drm_framebuffer_unreference(plane->state->fb);
199 kfree(to_mdp5_plane_state(plane->state));
201 mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
205 /* assign default blend parameters */
206 mdp5_state->alpha = 255;
207 mdp5_state->premultiplied = 0;
209 if (plane->type == DRM_PLANE_TYPE_PRIMARY)
210 mdp5_state->zpos = STAGE_BASE;
212 mdp5_state->zpos = STAGE0 + drm_plane_index(plane);
214 mdp5_state->base.plane = plane;
216 plane->state = &mdp5_state->base;
219 static struct drm_plane_state *
220 mdp5_plane_duplicate_state(struct drm_plane *plane)
222 struct mdp5_plane_state *mdp5_state;
224 if (WARN_ON(!plane->state))
227 mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
228 sizeof(*mdp5_state), GFP_KERNEL);
232 __drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base);
234 return &mdp5_state->base;
237 static void mdp5_plane_destroy_state(struct drm_plane *plane,
238 struct drm_plane_state *state)
240 struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
243 drm_framebuffer_unreference(state->fb);
248 static const struct drm_plane_funcs mdp5_plane_funcs = {
249 .update_plane = drm_atomic_helper_update_plane,
250 .disable_plane = drm_atomic_helper_disable_plane,
251 .destroy = mdp5_plane_destroy,
252 .atomic_set_property = mdp5_plane_atomic_set_property,
253 .atomic_get_property = mdp5_plane_atomic_get_property,
254 .reset = mdp5_plane_reset,
255 .atomic_duplicate_state = mdp5_plane_duplicate_state,
256 .atomic_destroy_state = mdp5_plane_destroy_state,
257 .atomic_print_state = mdp5_plane_atomic_print_state,
260 static const struct drm_plane_funcs mdp5_cursor_plane_funcs = {
261 .update_plane = mdp5_update_cursor_plane_legacy,
262 .disable_plane = drm_atomic_helper_disable_plane,
263 .destroy = mdp5_plane_destroy,
264 .atomic_set_property = mdp5_plane_atomic_set_property,
265 .atomic_get_property = mdp5_plane_atomic_get_property,
266 .reset = mdp5_plane_reset,
267 .atomic_duplicate_state = mdp5_plane_duplicate_state,
268 .atomic_destroy_state = mdp5_plane_destroy_state,
269 .atomic_print_state = mdp5_plane_atomic_print_state,
272 static int mdp5_plane_prepare_fb(struct drm_plane *plane,
273 struct drm_plane_state *new_state)
275 struct mdp5_kms *mdp5_kms = get_kms(plane);
276 struct msm_kms *kms = &mdp5_kms->base.base;
277 struct drm_framebuffer *fb = new_state->fb;
282 DBG("%s: prepare: FB[%u]", plane->name, fb->base.id);
283 return msm_framebuffer_prepare(fb, kms->aspace);
286 static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
287 struct drm_plane_state *old_state)
289 struct mdp5_kms *mdp5_kms = get_kms(plane);
290 struct msm_kms *kms = &mdp5_kms->base.base;
291 struct drm_framebuffer *fb = old_state->fb;
296 DBG("%s: cleanup: FB[%u]", plane->name, fb->base.id);
297 msm_framebuffer_cleanup(fb, kms->aspace);
300 #define FRAC_16_16(mult, div) (((mult) << 16) / (div))
301 static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state,
302 struct drm_plane_state *state)
304 struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
305 struct drm_plane *plane = state->plane;
306 struct drm_plane_state *old_state = plane->state;
307 struct mdp5_cfg *config = mdp5_cfg_get_config(get_kms(plane)->cfg);
308 bool new_hwpipe = false;
309 bool need_right_hwpipe = false;
310 uint32_t max_width, max_height;
311 bool out_of_bounds = false;
313 struct drm_rect clip;
314 int min_scale, max_scale;
317 DBG("%s: check (%d -> %d)", plane->name,
318 plane_enabled(old_state), plane_enabled(state));
320 max_width = config->hw->lm.max_width << 16;
321 max_height = config->hw->lm.max_height << 16;
323 /* Make sure source dimensions are within bounds. */
324 if (state->src_h > max_height)
325 out_of_bounds = true;
327 if (state->src_w > max_width) {
328 /* If source split is supported, we can go up to 2x
329 * the max LM width, but we'd need to stage another
330 * hwpipe to the right LM. So, the drm_plane would
331 * consist of 2 hwpipes.
333 if (config->hw->mdp.caps & MDP_CAP_SRC_SPLIT &&
334 (state->src_w <= 2 * max_width))
335 need_right_hwpipe = true;
337 out_of_bounds = true;
341 struct drm_rect src = drm_plane_state_src(state);
342 DBG("Invalid source size "DRM_RECT_FP_FMT,
343 DRM_RECT_FP_ARG(&src));
349 clip.x2 = crtc_state->adjusted_mode.hdisplay;
350 clip.y2 = crtc_state->adjusted_mode.vdisplay;
351 min_scale = FRAC_16_16(1, 8);
352 max_scale = FRAC_16_16(8, 1);
354 ret = drm_plane_helper_check_state(state, &clip, min_scale,
355 max_scale, true, true);
359 if (plane_enabled(state)) {
360 unsigned int rotation;
361 const struct mdp_format *format;
362 struct mdp5_kms *mdp5_kms = get_kms(plane);
365 format = to_mdp_format(msm_framebuffer_format(state->fb));
366 if (MDP_FORMAT_IS_YUV(format))
367 caps |= MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC;
369 if (((state->src_w >> 16) != state->crtc_w) ||
370 ((state->src_h >> 16) != state->crtc_h))
371 caps |= MDP_PIPE_CAP_SCALE;
373 rotation = drm_rotation_simplify(state->rotation,
378 if (rotation & DRM_MODE_REFLECT_X)
379 caps |= MDP_PIPE_CAP_HFLIP;
381 if (rotation & DRM_MODE_REFLECT_Y)
382 caps |= MDP_PIPE_CAP_VFLIP;
384 if (plane->type == DRM_PLANE_TYPE_CURSOR)
385 caps |= MDP_PIPE_CAP_CURSOR;
387 /* (re)allocate hw pipe if we don't have one or caps-mismatch: */
388 if (!mdp5_state->hwpipe || (caps & ~mdp5_state->hwpipe->caps))
392 * (re)allocte hw pipe if we're either requesting for 2 hw pipes
393 * or we're switching from 2 hw pipes to 1 hw pipe because the
394 * new src_w can be supported by 1 hw pipe itself.
396 if ((need_right_hwpipe && !mdp5_state->r_hwpipe) ||
397 (!need_right_hwpipe && mdp5_state->r_hwpipe))
401 const struct mdp_format *format =
402 to_mdp_format(msm_framebuffer_format(state->fb));
404 blkcfg = mdp5_smp_calculate(mdp5_kms->smp, format,
405 state->src_w >> 16, false);
407 if (mdp5_state->hwpipe && (mdp5_state->hwpipe->blkcfg != blkcfg))
411 /* (re)assign hwpipe if needed, otherwise keep old one: */
413 /* TODO maybe we want to re-assign hwpipe sometimes
414 * in cases when we no-longer need some caps to make
415 * it available for other planes?
417 struct mdp5_hw_pipe *old_hwpipe = mdp5_state->hwpipe;
418 struct mdp5_hw_pipe *old_right_hwpipe =
419 mdp5_state->r_hwpipe;
421 mdp5_state->hwpipe = mdp5_pipe_assign(state->state,
422 plane, caps, blkcfg);
423 if (IS_ERR(mdp5_state->hwpipe)) {
424 DBG("%s: failed to assign hwpipe!", plane->name);
425 return PTR_ERR(mdp5_state->hwpipe);
428 if (need_right_hwpipe) {
429 mdp5_state->r_hwpipe =
430 mdp5_pipe_assign(state->state, plane,
432 if (IS_ERR(mdp5_state->r_hwpipe)) {
433 DBG("%s: failed to assign right hwpipe",
435 return PTR_ERR(mdp5_state->r_hwpipe);
439 * set it to NULL so that the driver knows we
440 * don't have a right hwpipe when committing a
443 mdp5_state->r_hwpipe = NULL;
446 mdp5_pipe_release(state->state, old_hwpipe);
447 mdp5_pipe_release(state->state, old_right_hwpipe);
450 mdp5_pipe_release(state->state, mdp5_state->hwpipe);
451 mdp5_pipe_release(state->state, mdp5_state->r_hwpipe);
452 mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL;
458 static int mdp5_plane_atomic_check(struct drm_plane *plane,
459 struct drm_plane_state *state)
461 struct drm_crtc *crtc;
462 struct drm_crtc_state *crtc_state;
464 crtc = state->crtc ? state->crtc : plane->state->crtc;
468 crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
469 if (WARN_ON(!crtc_state))
472 return mdp5_plane_atomic_check_with_state(crtc_state, state);
475 static void mdp5_plane_atomic_update(struct drm_plane *plane,
476 struct drm_plane_state *old_state)
478 struct drm_plane_state *state = plane->state;
480 DBG("%s: update", plane->name);
482 if (plane_enabled(state)) {
485 ret = mdp5_plane_mode_set(plane,
486 state->crtc, state->fb,
487 &state->src, &state->dst);
488 /* atomic_check should have ensured that this doesn't fail */
493 static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
494 .prepare_fb = mdp5_plane_prepare_fb,
495 .cleanup_fb = mdp5_plane_cleanup_fb,
496 .atomic_check = mdp5_plane_atomic_check,
497 .atomic_update = mdp5_plane_atomic_update,
500 static void set_scanout_locked(struct mdp5_kms *mdp5_kms,
502 struct drm_framebuffer *fb)
504 struct msm_kms *kms = &mdp5_kms->base.base;
506 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
507 MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
508 MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
510 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
511 MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
512 MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
514 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
515 msm_framebuffer_iova(fb, kms->aspace, 0));
516 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
517 msm_framebuffer_iova(fb, kms->aspace, 1));
518 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
519 msm_framebuffer_iova(fb, kms->aspace, 2));
520 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
521 msm_framebuffer_iova(fb, kms->aspace, 3));
524 /* Note: mdp5_plane->pipe_lock must be locked */
525 static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
527 uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
528 ~MDP5_PIPE_OP_MODE_CSC_1_EN;
530 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
533 /* Note: mdp5_plane->pipe_lock must be locked */
534 static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
537 uint32_t i, mode = 0; /* RGB, no CSC */
543 if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
544 mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
545 if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
546 mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
547 mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
548 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
550 matrix = csc->matrix;
551 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
552 MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
553 MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
554 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
555 MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
556 MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
557 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
558 MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
559 MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
560 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
561 MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
562 MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
563 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
564 MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
566 for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
567 uint32_t *pre_clamp = csc->pre_clamp;
568 uint32_t *post_clamp = csc->post_clamp;
570 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
571 MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
572 MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
574 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
575 MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
576 MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
578 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
579 MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
581 mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
582 MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
586 #define PHASE_STEP_SHIFT 21
587 #define DOWN_SCALE_RATIO_MAX 32 /* 2^(26-21) */
589 static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
593 if (src == 0 || dst == 0)
597 * PHASE_STEP_X/Y is coded on 26 bits (25:0),
598 * where 2^21 represents the unity "1" in fixed-point hardware design.
599 * This leaves 5 bits for the integer part (downscale case):
600 * -> maximum downscale ratio = 0b1_1111 = 31
602 if (src > (dst * DOWN_SCALE_RATIO_MAX))
605 unit = 1 << PHASE_STEP_SHIFT;
606 *out_phase = mult_frac(unit, src, dst);
611 static int calc_scalex_steps(struct drm_plane *plane,
612 uint32_t pixel_format, uint32_t src, uint32_t dest,
613 uint32_t phasex_steps[COMP_MAX])
615 struct mdp5_kms *mdp5_kms = get_kms(plane);
616 struct device *dev = mdp5_kms->dev->dev;
617 uint32_t phasex_step;
621 ret = calc_phase_step(src, dest, &phasex_step);
623 dev_err(dev, "X scaling (%d->%d) failed: %d\n", src, dest, ret);
627 hsub = drm_format_horz_chroma_subsampling(pixel_format);
629 phasex_steps[COMP_0] = phasex_step;
630 phasex_steps[COMP_3] = phasex_step;
631 phasex_steps[COMP_1_2] = phasex_step / hsub;
636 static int calc_scaley_steps(struct drm_plane *plane,
637 uint32_t pixel_format, uint32_t src, uint32_t dest,
638 uint32_t phasey_steps[COMP_MAX])
640 struct mdp5_kms *mdp5_kms = get_kms(plane);
641 struct device *dev = mdp5_kms->dev->dev;
642 uint32_t phasey_step;
646 ret = calc_phase_step(src, dest, &phasey_step);
648 dev_err(dev, "Y scaling (%d->%d) failed: %d\n", src, dest, ret);
652 vsub = drm_format_vert_chroma_subsampling(pixel_format);
654 phasey_steps[COMP_0] = phasey_step;
655 phasey_steps[COMP_3] = phasey_step;
656 phasey_steps[COMP_1_2] = phasey_step / vsub;
661 static uint32_t get_scale_config(const struct mdp_format *format,
662 uint32_t src, uint32_t dst, bool horz)
664 bool scaling = format->is_yuv ? true : (src != dst);
665 uint32_t sub, pix_fmt = format->base.pixel_format;
666 uint32_t ya_filter, uv_filter;
667 bool yuv = format->is_yuv;
673 sub = horz ? drm_format_horz_chroma_subsampling(pix_fmt) :
674 drm_format_vert_chroma_subsampling(pix_fmt);
675 uv_filter = ((src / sub) <= dst) ?
676 SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
678 ya_filter = (src <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
681 return MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
682 MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_0(ya_filter) |
683 MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_3(ya_filter) |
684 COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_1_2(uv_filter));
686 return MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
687 MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_0(ya_filter) |
688 MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_3(ya_filter) |
689 COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_1_2(uv_filter));
692 static void calc_pixel_ext(const struct mdp_format *format,
693 uint32_t src, uint32_t dst, uint32_t phase_step[2],
694 int pix_ext_edge1[COMP_MAX], int pix_ext_edge2[COMP_MAX],
697 bool scaling = format->is_yuv ? true : (src != dst);
702 * We assume here that:
703 * 1. PCMN filter is used for downscale
704 * 2. bilinear filter is used for upscale
705 * 3. we are in a single pipe configuration
708 for (i = 0; i < COMP_MAX; i++) {
709 pix_ext_edge1[i] = 0;
710 pix_ext_edge2[i] = scaling ? 1 : 0;
714 static void mdp5_write_pixel_ext(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
715 const struct mdp_format *format,
716 uint32_t src_w, int pe_left[COMP_MAX], int pe_right[COMP_MAX],
717 uint32_t src_h, int pe_top[COMP_MAX], int pe_bottom[COMP_MAX])
719 uint32_t pix_fmt = format->base.pixel_format;
720 uint32_t lr, tb, req;
723 for (i = 0; i < COMP_MAX; i++) {
724 uint32_t roi_w = src_w;
725 uint32_t roi_h = src_h;
727 if (format->is_yuv && i == COMP_1_2) {
728 roi_w /= drm_format_horz_chroma_subsampling(pix_fmt);
729 roi_h /= drm_format_vert_chroma_subsampling(pix_fmt);
732 lr = (pe_left[i] >= 0) ?
733 MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT(pe_left[i]) :
734 MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF(pe_left[i]);
736 lr |= (pe_right[i] >= 0) ?
737 MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT(pe_right[i]) :
738 MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF(pe_right[i]);
740 tb = (pe_top[i] >= 0) ?
741 MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT(pe_top[i]) :
742 MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF(pe_top[i]);
744 tb |= (pe_bottom[i] >= 0) ?
745 MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT(pe_bottom[i]) :
746 MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF(pe_bottom[i]);
748 req = MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT(roi_w +
749 pe_left[i] + pe_right[i]);
751 req |= MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM(roi_h +
752 pe_top[i] + pe_bottom[i]);
754 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_LR(pipe, i), lr);
755 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_TB(pipe, i), tb);
756 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS(pipe, i), req);
758 DBG("comp-%d (L/R): rpt=%d/%d, ovf=%d/%d, req=%d", i,
759 FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT),
760 FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT),
761 FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF),
762 FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF),
763 FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT));
765 DBG("comp-%d (T/B): rpt=%d/%d, ovf=%d/%d, req=%d", i,
766 FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT),
767 FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT),
768 FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF),
769 FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF),
770 FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM));
778 int bottom[COMP_MAX];
786 static void mdp5_hwpipe_mode_set(struct mdp5_kms *mdp5_kms,
787 struct mdp5_hw_pipe *hwpipe,
788 struct drm_framebuffer *fb,
789 struct phase_step *step,
790 struct pixel_ext *pe,
791 u32 scale_config, u32 hdecm, u32 vdecm,
792 bool hflip, bool vflip,
793 int crtc_x, int crtc_y,
794 unsigned int crtc_w, unsigned int crtc_h,
795 u32 src_img_w, u32 src_img_h,
796 u32 src_x, u32 src_y,
797 u32 src_w, u32 src_h)
799 enum mdp5_pipe pipe = hwpipe->pipe;
800 bool has_pe = hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT;
801 const struct mdp_format *format =
802 to_mdp_format(msm_framebuffer_format(fb));
804 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
805 MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_img_w) |
806 MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_img_h));
808 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
809 MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
810 MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
812 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
813 MDP5_PIPE_SRC_XY_X(src_x) |
814 MDP5_PIPE_SRC_XY_Y(src_y));
816 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
817 MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
818 MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
820 mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
821 MDP5_PIPE_OUT_XY_X(crtc_x) |
822 MDP5_PIPE_OUT_XY_Y(crtc_y));
824 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
825 MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
826 MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
827 MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
828 MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
829 COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
830 MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
831 MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
832 COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
833 MDP5_PIPE_SRC_FORMAT_FETCH_TYPE(format->fetch_type) |
834 MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
836 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
837 MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
838 MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
839 MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
840 MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
842 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
843 (hflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_LR : 0) |
844 (vflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_UD : 0) |
845 COND(has_pe, MDP5_PIPE_SRC_OP_MODE_SW_PIX_EXT_OVERRIDE) |
846 MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
848 /* not using secure mode: */
849 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
851 if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT)
852 mdp5_write_pixel_ext(mdp5_kms, pipe, format,
853 src_w, pe->left, pe->right,
854 src_h, pe->top, pe->bottom);
856 if (hwpipe->caps & MDP_PIPE_CAP_SCALE) {
857 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
859 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
861 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
863 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
865 mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
866 MDP5_PIPE_DECIMATION_VERT(vdecm) |
867 MDP5_PIPE_DECIMATION_HORZ(hdecm));
868 mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe),
872 if (hwpipe->caps & MDP_PIPE_CAP_CSC) {
873 if (MDP_FORMAT_IS_YUV(format))
874 csc_enable(mdp5_kms, pipe,
875 mdp_get_default_csc_cfg(CSC_YUV2RGB));
877 csc_disable(mdp5_kms, pipe);
880 set_scanout_locked(mdp5_kms, pipe, fb);
883 static int mdp5_plane_mode_set(struct drm_plane *plane,
884 struct drm_crtc *crtc, struct drm_framebuffer *fb,
885 struct drm_rect *src, struct drm_rect *dest)
887 struct drm_plane_state *pstate = plane->state;
888 struct mdp5_hw_pipe *hwpipe = to_mdp5_plane_state(pstate)->hwpipe;
889 struct mdp5_kms *mdp5_kms = get_kms(plane);
890 enum mdp5_pipe pipe = hwpipe->pipe;
891 struct mdp5_hw_pipe *right_hwpipe;
892 const struct mdp_format *format;
893 uint32_t nplanes, config = 0;
894 struct phase_step step = { { 0 } };
895 struct pixel_ext pe = { { 0 } };
896 uint32_t hdecm = 0, vdecm = 0;
898 unsigned int rotation;
901 unsigned int crtc_w, crtc_h;
902 uint32_t src_x, src_y;
903 uint32_t src_w, src_h;
904 uint32_t src_img_w, src_img_h;
909 nplanes = fb->format->num_planes;
911 /* bad formats should already be rejected: */
912 if (WARN_ON(nplanes > pipe2nclients(pipe)))
915 format = to_mdp_format(msm_framebuffer_format(fb));
916 pix_format = format->base.pixel_format;
920 src_w = drm_rect_width(src);
921 src_h = drm_rect_height(src);
925 crtc_w = drm_rect_width(dest);
926 crtc_h = drm_rect_height(dest);
928 /* src values are in Q16 fixed point, convert to integer: */
934 src_img_w = min(fb->width, src_w);
935 src_img_h = min(fb->height, src_h);
937 DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", plane->name,
938 fb->base.id, src_x, src_y, src_w, src_h,
939 crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
941 right_hwpipe = to_mdp5_plane_state(pstate)->r_hwpipe;
944 * if the plane comprises of 2 hw pipes, assume that the width
945 * is split equally across them. The only parameters that varies
946 * between the 2 pipes are src_x and crtc_x
952 crtc_x_r = crtc_x + crtc_w;
953 src_x_r = src_x + src_w;
956 ret = calc_scalex_steps(plane, pix_format, src_w, crtc_w, step.x);
960 ret = calc_scaley_steps(plane, pix_format, src_h, crtc_h, step.y);
964 if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT) {
965 calc_pixel_ext(format, src_w, crtc_w, step.x,
966 pe.left, pe.right, true);
967 calc_pixel_ext(format, src_h, crtc_h, step.y,
968 pe.top, pe.bottom, false);
971 /* TODO calc hdecm, vdecm */
973 /* SCALE is used to both scale and up-sample chroma components */
974 config |= get_scale_config(format, src_w, crtc_w, true);
975 config |= get_scale_config(format, src_h, crtc_h, false);
976 DBG("scale config = %x", config);
978 rotation = drm_rotation_simplify(pstate->rotation,
982 hflip = !!(rotation & DRM_MODE_REFLECT_X);
983 vflip = !!(rotation & DRM_MODE_REFLECT_Y);
985 mdp5_hwpipe_mode_set(mdp5_kms, hwpipe, fb, &step, &pe,
986 config, hdecm, vdecm, hflip, vflip,
987 crtc_x, crtc_y, crtc_w, crtc_h,
988 src_img_w, src_img_h,
989 src_x, src_y, src_w, src_h);
991 mdp5_hwpipe_mode_set(mdp5_kms, right_hwpipe, fb, &step, &pe,
992 config, hdecm, vdecm, hflip, vflip,
993 crtc_x_r, crtc_y, crtc_w, crtc_h,
994 src_img_w, src_img_h,
995 src_x_r, src_y, src_w, src_h);
1002 static int mdp5_update_cursor_plane_legacy(struct drm_plane *plane,
1003 struct drm_crtc *crtc, struct drm_framebuffer *fb,
1004 int crtc_x, int crtc_y,
1005 unsigned int crtc_w, unsigned int crtc_h,
1006 uint32_t src_x, uint32_t src_y,
1007 uint32_t src_w, uint32_t src_h,
1008 struct drm_modeset_acquire_ctx *ctx)
1010 struct drm_plane_state *plane_state, *new_plane_state;
1011 struct mdp5_plane_state *mdp5_pstate;
1012 struct drm_crtc_state *crtc_state = crtc->state;
1015 if (!crtc_state->active || drm_atomic_crtc_needs_modeset(crtc_state))
1018 plane_state = plane->state;
1019 mdp5_pstate = to_mdp5_plane_state(plane_state);
1021 /* don't use fast path if we don't have a hwpipe allocated yet */
1022 if (!mdp5_pstate->hwpipe)
1025 /* only allow changing of position(crtc x/y or src x/y) in fast path */
1026 if (plane_state->crtc != crtc ||
1027 plane_state->src_w != src_w ||
1028 plane_state->src_h != src_h ||
1029 plane_state->crtc_w != crtc_w ||
1030 plane_state->crtc_h != crtc_h ||
1032 plane_state->fb != fb)
1035 new_plane_state = mdp5_plane_duplicate_state(plane);
1036 if (!new_plane_state)
1039 new_plane_state->src_x = src_x;
1040 new_plane_state->src_y = src_y;
1041 new_plane_state->src_w = src_w;
1042 new_plane_state->src_h = src_h;
1043 new_plane_state->crtc_x = crtc_x;
1044 new_plane_state->crtc_y = crtc_y;
1045 new_plane_state->crtc_w = crtc_w;
1046 new_plane_state->crtc_h = crtc_h;
1048 ret = mdp5_plane_atomic_check_with_state(crtc_state, new_plane_state);
1052 if (new_plane_state->visible) {
1053 struct mdp5_ctl *ctl;
1054 struct mdp5_pipeline *pipeline = mdp5_crtc_get_pipeline(crtc);
1056 ret = mdp5_plane_mode_set(plane, crtc, fb,
1057 &new_plane_state->src,
1058 &new_plane_state->dst);
1061 ctl = mdp5_crtc_get_ctl(crtc);
1063 mdp5_ctl_commit(ctl, pipeline, mdp5_plane_get_flush(plane));
1066 *to_mdp5_plane_state(plane_state) =
1067 *to_mdp5_plane_state(new_plane_state);
1069 mdp5_plane_destroy_state(plane, new_plane_state);
1073 mdp5_plane_destroy_state(plane, new_plane_state);
1075 return drm_atomic_helper_update_plane(plane, crtc, fb,
1076 crtc_x, crtc_y, crtc_w, crtc_h,
1077 src_x, src_y, src_w, src_h, ctx);
1081 * Use this func and the one below only after the atomic state has been
1082 * successfully swapped
1084 enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
1086 struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1088 if (WARN_ON(!pstate->hwpipe))
1091 return pstate->hwpipe->pipe;
1094 enum mdp5_pipe mdp5_plane_right_pipe(struct drm_plane *plane)
1096 struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1098 if (!pstate->r_hwpipe)
1101 return pstate->r_hwpipe->pipe;
1104 uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
1106 struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
1109 if (WARN_ON(!pstate->hwpipe))
1112 mask = pstate->hwpipe->flush_mask;
1114 if (pstate->r_hwpipe)
1115 mask |= pstate->r_hwpipe->flush_mask;
1120 /* initialize plane */
1121 struct drm_plane *mdp5_plane_init(struct drm_device *dev,
1122 enum drm_plane_type type)
1124 struct drm_plane *plane = NULL;
1125 struct mdp5_plane *mdp5_plane;
1128 mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
1134 plane = &mdp5_plane->base;
1136 mdp5_plane->nformats = mdp_get_formats(mdp5_plane->formats,
1137 ARRAY_SIZE(mdp5_plane->formats), false);
1139 if (type == DRM_PLANE_TYPE_CURSOR)
1140 ret = drm_universal_plane_init(dev, plane, 0xff,
1141 &mdp5_cursor_plane_funcs,
1142 mdp5_plane->formats, mdp5_plane->nformats,
1145 ret = drm_universal_plane_init(dev, plane, 0xff,
1147 mdp5_plane->formats, mdp5_plane->nformats,
1152 drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
1154 mdp5_plane_install_properties(plane, &plane->base);
1160 mdp5_plane_destroy(plane);
1162 return ERR_PTR(ret);