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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / msm / disp / dpu1 / dpu_plane.c
blob3b9c33e694bf4c76f42b4536f3b739fdcc47cb35
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved.
4 * Copyright (C) 2013 Red Hat
5 * Author: Rob Clark <robdclark@gmail.com>
6 */
7
8 #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
9
10 #include <linux/debugfs.h>
11 #include <linux/dma-buf.h>
12
13 #include <drm/drm_atomic_uapi.h>
14 #include <drm/drm_damage_helper.h>
15 #include <drm/drm_file.h>
16 #include <drm/drm_gem_framebuffer_helper.h>
17
18 #include "msm_drv.h"
19 #include "dpu_kms.h"
20 #include "dpu_formats.h"
21 #include "dpu_hw_sspp.h"
22 #include "dpu_hw_catalog_format.h"
23 #include "dpu_trace.h"
24 #include "dpu_crtc.h"
25 #include "dpu_vbif.h"
26 #include "dpu_plane.h"
27
28 #define DPU_DEBUG_PLANE(pl, fmt, ...) DPU_DEBUG("plane%d " fmt,\
29 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
30
31 #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\
32 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
33
34 #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci))
35 #define PHASE_STEP_SHIFT 21
36 #define PHASE_STEP_UNIT_SCALE ((int) (1 << PHASE_STEP_SHIFT))
37 #define PHASE_RESIDUAL 15
38
39 #define SHARP_STRENGTH_DEFAULT 32
40 #define SHARP_EDGE_THR_DEFAULT 112
41 #define SHARP_SMOOTH_THR_DEFAULT 8
42 #define SHARP_NOISE_THR_DEFAULT 2
43
44 #define DPU_NAME_SIZE 12
45
46 #define DPU_PLANE_COLOR_FILL_FLAG BIT(31)
47 #define DPU_ZPOS_MAX 255
48
49 /* multirect rect index */
50 enum {
51 R0,
52 R1,
53 R_MAX
54 };
55
56 /*
57 * Default Preload Values
58 */
59 #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4
60 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3
61 #define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2
62 #define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4
63
64 #define DEFAULT_REFRESH_RATE 60
65
66 /**
67 * enum dpu_plane_qos - Different qos configurations for each pipe
68 *
69 * @DPU_PLANE_QOS_VBLANK_CTRL: Setup VBLANK qos for the pipe.
70 * @DPU_PLANE_QOS_VBLANK_AMORTIZE: Enables Amortization within pipe.
71 * this configuration is mutually exclusive from VBLANK_CTRL.
72 * @DPU_PLANE_QOS_PANIC_CTRL: Setup panic for the pipe.
73 */
74 enum dpu_plane_qos {
75 DPU_PLANE_QOS_VBLANK_CTRL = BIT(0),
76 DPU_PLANE_QOS_VBLANK_AMORTIZE = BIT(1),
77 DPU_PLANE_QOS_PANIC_CTRL = BIT(2),
78 };
79
80 /*
81 * struct dpu_plane - local dpu plane structure
82 * @aspace: address space pointer
83 * @csc_ptr: Points to dpu_csc_cfg structure to use for current
84 * @mplane_list: List of multirect planes of the same pipe
85 * @catalog: Points to dpu catalog structure
86 * @revalidate: force revalidation of all the plane properties
87 */
88 struct dpu_plane {
89 struct drm_plane base;
90
91 struct mutex lock;
92
93 enum dpu_sspp pipe;
94 uint32_t features; /* capabilities from catalog */
95
96 struct dpu_hw_pipe *pipe_hw;
97 struct dpu_hw_pipe_cfg pipe_cfg;
98 struct dpu_hw_pipe_qos_cfg pipe_qos_cfg;
99 uint32_t color_fill;
100 bool is_error;
101 bool is_rt_pipe;
102 bool is_virtual;
103 struct list_head mplane_list;
104 struct dpu_mdss_cfg *catalog;
105
106 struct dpu_csc_cfg *csc_ptr;
107
108 const struct dpu_sspp_sub_blks *pipe_sblk;
109 char pipe_name[DPU_NAME_SIZE];
110
111 /* debugfs related stuff */
112 struct dentry *debugfs_root;
113 struct dpu_debugfs_regset32 debugfs_src;
114 struct dpu_debugfs_regset32 debugfs_scaler;
115 struct dpu_debugfs_regset32 debugfs_csc;
116 bool debugfs_default_scale;
117 };
118
119 static const uint64_t supported_format_modifiers[] = {
120 DRM_FORMAT_MOD_QCOM_COMPRESSED,
121 DRM_FORMAT_MOD_LINEAR,
122 DRM_FORMAT_MOD_INVALID
123 };
124
125 #define to_dpu_plane(x) container_of(x, struct dpu_plane, base)
126
127 static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane)
128 {
129 struct msm_drm_private *priv = plane->dev->dev_private;
130
131 return to_dpu_kms(priv->kms);
132 }
133
134 /**
135 * _dpu_plane_calc_fill_level - calculate fill level of the given source format
136 * @plane: Pointer to drm plane
137 * @fmt: Pointer to source buffer format
138 * @src_wdith: width of source buffer
139 * Return: fill level corresponding to the source buffer/format or 0 if error
140 */
141 static int _dpu_plane_calc_fill_level(struct drm_plane *plane,
142 const struct dpu_format *fmt, u32 src_width)
143 {
144 struct dpu_plane *pdpu, *tmp;
145 struct dpu_plane_state *pstate;
146 u32 fixed_buff_size;
147 u32 total_fl;
148
149 if (!fmt || !plane->state || !src_width || !fmt->bpp) {
150 DPU_ERROR("invalid arguments\n");
151 return 0;
152 }
153
154 pdpu = to_dpu_plane(plane);
155 pstate = to_dpu_plane_state(plane->state);
156 fixed_buff_size = pdpu->pipe_sblk->common->pixel_ram_size;
157
158 list_for_each_entry(tmp, &pdpu->mplane_list, mplane_list) {
159 if (!tmp->base.state->visible)
160 continue;
161 DPU_DEBUG("plane%d/%d src_width:%d/%d\n",
162 pdpu->base.base.id, tmp->base.base.id,
163 src_width,
164 drm_rect_width(&tmp->pipe_cfg.src_rect));
165 src_width = max_t(u32, src_width,
166 drm_rect_width(&tmp->pipe_cfg.src_rect));
167 }
168
169 if (fmt->fetch_planes == DPU_PLANE_PSEUDO_PLANAR) {
170 if (fmt->chroma_sample == DPU_CHROMA_420) {
171 /* NV12 */
172 total_fl = (fixed_buff_size / 2) /
173 ((src_width + 32) * fmt->bpp);
174 } else {
175 /* non NV12 */
176 total_fl = (fixed_buff_size / 2) * 2 /
177 ((src_width + 32) * fmt->bpp);
178 }
179 } else {
180 if (pstate->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) {
181 total_fl = (fixed_buff_size / 2) * 2 /
182 ((src_width + 32) * fmt->bpp);
183 } else {
184 total_fl = (fixed_buff_size) * 2 /
185 ((src_width + 32) * fmt->bpp);
186 }
187 }
188
189 DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s w:%u fl:%u\n",
190 plane->base.id, pdpu->pipe - SSPP_VIG0,
191 (char *)&fmt->base.pixel_format,
192 src_width, total_fl);
193
194 return total_fl;
195 }
196
197 /**
198 * _dpu_plane_get_qos_lut - get LUT mapping based on fill level
199 * @tbl: Pointer to LUT table
200 * @total_fl: fill level
201 * Return: LUT setting corresponding to the fill level
202 */
203 static u64 _dpu_plane_get_qos_lut(const struct dpu_qos_lut_tbl *tbl,
204 u32 total_fl)
205 {
206 int i;
207
208 if (!tbl || !tbl->nentry || !tbl->entries)
209 return 0;
210
211 for (i = 0; i < tbl->nentry; i++)
212 if (total_fl <= tbl->entries[i].fl)
213 return tbl->entries[i].lut;
214
215 /* if last fl is zero, use as default */
216 if (!tbl->entries[i-1].fl)
217 return tbl->entries[i-1].lut;
218
219 return 0;
220 }
221
222 /**
223 * _dpu_plane_set_qos_lut - set QoS LUT of the given plane
224 * @plane: Pointer to drm plane
225 * @fb: Pointer to framebuffer associated with the given plane
226 */
227 static void _dpu_plane_set_qos_lut(struct drm_plane *plane,
228 struct drm_framebuffer *fb)
229 {
230 struct dpu_plane *pdpu = to_dpu_plane(plane);
231 const struct dpu_format *fmt = NULL;
232 u64 qos_lut;
233 u32 total_fl = 0, lut_usage;
234
235 if (!pdpu->is_rt_pipe) {
236 lut_usage = DPU_QOS_LUT_USAGE_NRT;
237 } else {
238 fmt = dpu_get_dpu_format_ext(
239 fb->format->format,
240 fb->modifier);
241 total_fl = _dpu_plane_calc_fill_level(plane, fmt,
242 drm_rect_width(&pdpu->pipe_cfg.src_rect));
243
244 if (fmt && DPU_FORMAT_IS_LINEAR(fmt))
245 lut_usage = DPU_QOS_LUT_USAGE_LINEAR;
246 else
247 lut_usage = DPU_QOS_LUT_USAGE_MACROTILE;
248 }
249
250 qos_lut = _dpu_plane_get_qos_lut(
251 &pdpu->catalog->perf.qos_lut_tbl[lut_usage], total_fl);
252
253 pdpu->pipe_qos_cfg.creq_lut = qos_lut;
254
255 trace_dpu_perf_set_qos_luts(pdpu->pipe - SSPP_VIG0,
256 (fmt) ? fmt->base.pixel_format : 0,
257 pdpu->is_rt_pipe, total_fl, qos_lut, lut_usage);
258
259 DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s rt:%d fl:%u lut:0x%llx\n",
260 plane->base.id,
261 pdpu->pipe - SSPP_VIG0,
262 fmt ? (char *)&fmt->base.pixel_format : NULL,
263 pdpu->is_rt_pipe, total_fl, qos_lut);
264
265 pdpu->pipe_hw->ops.setup_creq_lut(pdpu->pipe_hw, &pdpu->pipe_qos_cfg);
266 }
267
268 /**
269 * _dpu_plane_set_panic_lut - set danger/safe LUT of the given plane
270 * @plane: Pointer to drm plane
271 * @fb: Pointer to framebuffer associated with the given plane
272 */
273 static void _dpu_plane_set_danger_lut(struct drm_plane *plane,
274 struct drm_framebuffer *fb)
275 {
276 struct dpu_plane *pdpu = to_dpu_plane(plane);
277 const struct dpu_format *fmt = NULL;
278 u32 danger_lut, safe_lut;
279
280 if (!pdpu->is_rt_pipe) {
281 danger_lut = pdpu->catalog->perf.danger_lut_tbl
282 [DPU_QOS_LUT_USAGE_NRT];
283 safe_lut = pdpu->catalog->perf.safe_lut_tbl
284 [DPU_QOS_LUT_USAGE_NRT];
285 } else {
286 fmt = dpu_get_dpu_format_ext(
287 fb->format->format,
288 fb->modifier);
289
290 if (fmt && DPU_FORMAT_IS_LINEAR(fmt)) {
291 danger_lut = pdpu->catalog->perf.danger_lut_tbl
292 [DPU_QOS_LUT_USAGE_LINEAR];
293 safe_lut = pdpu->catalog->perf.safe_lut_tbl
294 [DPU_QOS_LUT_USAGE_LINEAR];
295 } else {
296 danger_lut = pdpu->catalog->perf.danger_lut_tbl
297 [DPU_QOS_LUT_USAGE_MACROTILE];
298 safe_lut = pdpu->catalog->perf.safe_lut_tbl
299 [DPU_QOS_LUT_USAGE_MACROTILE];
300 }
301 }
302
303 pdpu->pipe_qos_cfg.danger_lut = danger_lut;
304 pdpu->pipe_qos_cfg.safe_lut = safe_lut;
305
306 trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0,
307 (fmt) ? fmt->base.pixel_format : 0,
308 (fmt) ? fmt->fetch_mode : 0,
309 pdpu->pipe_qos_cfg.danger_lut,
310 pdpu->pipe_qos_cfg.safe_lut);
311
312 DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s mode:%d luts[0x%x, 0x%x]\n",
313 plane->base.id,
314 pdpu->pipe - SSPP_VIG0,
315 fmt ? (char *)&fmt->base.pixel_format : NULL,
316 fmt ? fmt->fetch_mode : -1,
317 pdpu->pipe_qos_cfg.danger_lut,
318 pdpu->pipe_qos_cfg.safe_lut);
319
320 pdpu->pipe_hw->ops.setup_danger_safe_lut(pdpu->pipe_hw,
321 &pdpu->pipe_qos_cfg);
322 }
323
324 /**
325 * _dpu_plane_set_qos_ctrl - set QoS control of the given plane
326 * @plane: Pointer to drm plane
327 * @enable: true to enable QoS control
328 * @flags: QoS control mode (enum dpu_plane_qos)
329 */
330 static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
331 bool enable, u32 flags)
332 {
333 struct dpu_plane *pdpu = to_dpu_plane(plane);
334
335 if (flags & DPU_PLANE_QOS_VBLANK_CTRL) {
336 pdpu->pipe_qos_cfg.creq_vblank = pdpu->pipe_sblk->creq_vblank;
337 pdpu->pipe_qos_cfg.danger_vblank =
338 pdpu->pipe_sblk->danger_vblank;
339 pdpu->pipe_qos_cfg.vblank_en = enable;
340 }
341
342 if (flags & DPU_PLANE_QOS_VBLANK_AMORTIZE) {
343 /* this feature overrules previous VBLANK_CTRL */
344 pdpu->pipe_qos_cfg.vblank_en = false;
345 pdpu->pipe_qos_cfg.creq_vblank = 0; /* clear vblank bits */
346 }
347
348 if (flags & DPU_PLANE_QOS_PANIC_CTRL)
349 pdpu->pipe_qos_cfg.danger_safe_en = enable;
350
351 if (!pdpu->is_rt_pipe) {
352 pdpu->pipe_qos_cfg.vblank_en = false;
353 pdpu->pipe_qos_cfg.danger_safe_en = false;
354 }
355
356 DPU_DEBUG("plane%u: pnum:%d ds:%d vb:%d pri[0x%x, 0x%x] is_rt:%d\n",
357 plane->base.id,
358 pdpu->pipe - SSPP_VIG0,
359 pdpu->pipe_qos_cfg.danger_safe_en,
360 pdpu->pipe_qos_cfg.vblank_en,
361 pdpu->pipe_qos_cfg.creq_vblank,
362 pdpu->pipe_qos_cfg.danger_vblank,
363 pdpu->is_rt_pipe);
364
365 pdpu->pipe_hw->ops.setup_qos_ctrl(pdpu->pipe_hw,
366 &pdpu->pipe_qos_cfg);
367 }
368
369 /**
370 * _dpu_plane_set_ot_limit - set OT limit for the given plane
371 * @plane: Pointer to drm plane
372 * @crtc: Pointer to drm crtc
373 */
374 static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
375 struct drm_crtc *crtc)
376 {
377 struct dpu_plane *pdpu = to_dpu_plane(plane);
378 struct dpu_vbif_set_ot_params ot_params;
379 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
380
381 memset(&ot_params, 0, sizeof(ot_params));
382 ot_params.xin_id = pdpu->pipe_hw->cap->xin_id;
383 ot_params.num = pdpu->pipe_hw->idx - SSPP_NONE;
384 ot_params.width = drm_rect_width(&pdpu->pipe_cfg.src_rect);
385 ot_params.height = drm_rect_height(&pdpu->pipe_cfg.src_rect);
386 ot_params.is_wfd = !pdpu->is_rt_pipe;
387 ot_params.frame_rate = drm_mode_vrefresh(&crtc->mode);
388 ot_params.vbif_idx = VBIF_RT;
389 ot_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl;
390 ot_params.rd = true;
391
392 dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
393 }
394
395 /**
396 * _dpu_plane_set_vbif_qos - set vbif QoS for the given plane
397 * @plane: Pointer to drm plane
398 */
399 static void _dpu_plane_set_qos_remap(struct drm_plane *plane)
400 {
401 struct dpu_plane *pdpu = to_dpu_plane(plane);
402 struct dpu_vbif_set_qos_params qos_params;
403 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
404
405 memset(&qos_params, 0, sizeof(qos_params));
406 qos_params.vbif_idx = VBIF_RT;
407 qos_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl;
408 qos_params.xin_id = pdpu->pipe_hw->cap->xin_id;
409 qos_params.num = pdpu->pipe_hw->idx - SSPP_VIG0;
410 qos_params.is_rt = pdpu->is_rt_pipe;
411
412 DPU_DEBUG("plane%d pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n",
413 plane->base.id, qos_params.num,
414 qos_params.vbif_idx,
415 qos_params.xin_id, qos_params.is_rt,
416 qos_params.clk_ctrl);
417
418 dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
419 }
420
421 static void _dpu_plane_set_scanout(struct drm_plane *plane,
422 struct dpu_plane_state *pstate,
423 struct dpu_hw_pipe_cfg *pipe_cfg,
424 struct drm_framebuffer *fb)
425 {
426 struct dpu_plane *pdpu = to_dpu_plane(plane);
427 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
428 struct msm_gem_address_space *aspace = kms->base.aspace;
429 int ret;
430
431 ret = dpu_format_populate_layout(aspace, fb, &pipe_cfg->layout);
432 if (ret == -EAGAIN)
433 DPU_DEBUG_PLANE(pdpu, "not updating same src addrs\n");
434 else if (ret)
435 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
436 else if (pdpu->pipe_hw->ops.setup_sourceaddress) {
437 trace_dpu_plane_set_scanout(pdpu->pipe_hw->idx,
438 &pipe_cfg->layout,
439 pstate->multirect_index);
440 pdpu->pipe_hw->ops.setup_sourceaddress(pdpu->pipe_hw, pipe_cfg,
441 pstate->multirect_index);
442 }
443 }
444
445 static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu,
446 struct dpu_plane_state *pstate,
447 uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h,
448 struct dpu_hw_scaler3_cfg *scale_cfg,
449 const struct dpu_format *fmt,
450 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
451 {
452 uint32_t i;
453
454 memset(scale_cfg, 0, sizeof(*scale_cfg));
455 memset(&pstate->pixel_ext, 0, sizeof(struct dpu_hw_pixel_ext));
456
457 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] =
458 mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w);
459 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] =
460 mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h);
461
462
463 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] =
464 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v;
465 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] =
466 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h;
467
468 scale_cfg->phase_step_x[DPU_SSPP_COMP_2] =
469 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2];
470 scale_cfg->phase_step_y[DPU_SSPP_COMP_2] =
471 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2];
472
473 scale_cfg->phase_step_x[DPU_SSPP_COMP_3] =
474 scale_cfg->phase_step_x[DPU_SSPP_COMP_0];
475 scale_cfg->phase_step_y[DPU_SSPP_COMP_3] =
476 scale_cfg->phase_step_y[DPU_SSPP_COMP_0];
477
478 for (i = 0; i < DPU_MAX_PLANES; i++) {
479 scale_cfg->src_width[i] = src_w;
480 scale_cfg->src_height[i] = src_h;
481 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
482 scale_cfg->src_width[i] /= chroma_subsmpl_h;
483 scale_cfg->src_height[i] /= chroma_subsmpl_v;
484 }
485
486 if (pdpu->pipe_hw->cap->features &
487 BIT(DPU_SSPP_SCALER_QSEED4)) {
488 scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H;
489 scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V;
490 } else {
491 scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H;
492 scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V;
493 }
494
495 pstate->pixel_ext.num_ext_pxls_top[i] =
496 scale_cfg->src_height[i];
497 pstate->pixel_ext.num_ext_pxls_left[i] =
498 scale_cfg->src_width[i];
499 }
500 if (!(DPU_FORMAT_IS_YUV(fmt)) && (src_h == dst_h)
501 && (src_w == dst_w))
502 return;
503
504 scale_cfg->dst_width = dst_w;
505 scale_cfg->dst_height = dst_h;
506 scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL;
507 scale_cfg->uv_filter_cfg = DPU_SCALE_BIL;
508 scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL;
509 scale_cfg->lut_flag = 0;
510 scale_cfg->blend_cfg = 1;
511 scale_cfg->enable = 1;
512 }
513
514 static void _dpu_plane_setup_csc(struct dpu_plane *pdpu)
515 {
516 static const struct dpu_csc_cfg dpu_csc_YUV2RGB_601L = {
517 {
518 /* S15.16 format */
519 0x00012A00, 0x00000000, 0x00019880,
520 0x00012A00, 0xFFFF9B80, 0xFFFF3000,
521 0x00012A00, 0x00020480, 0x00000000,
522 },
523 /* signed bias */
524 { 0xfff0, 0xff80, 0xff80,},
525 { 0x0, 0x0, 0x0,},
526 /* unsigned clamp */
527 { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0,},
528 { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,},
529 };
530 static const struct dpu_csc_cfg dpu_csc10_YUV2RGB_601L = {
531 {
532 /* S15.16 format */
533 0x00012A00, 0x00000000, 0x00019880,
534 0x00012A00, 0xFFFF9B80, 0xFFFF3000,
535 0x00012A00, 0x00020480, 0x00000000,
536 },
537 /* signed bias */
538 { 0xffc0, 0xfe00, 0xfe00,},
539 { 0x0, 0x0, 0x0,},
540 /* unsigned clamp */
541 { 0x40, 0x3ac, 0x40, 0x3c0, 0x40, 0x3c0,},
542 { 0x00, 0x3ff, 0x00, 0x3ff, 0x00, 0x3ff,},
543 };
544
545 if (!pdpu) {
546 DPU_ERROR("invalid plane\n");
547 return;
548 }
549
550 if (BIT(DPU_SSPP_CSC_10BIT) & pdpu->features)
551 pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc10_YUV2RGB_601L;
552 else
553 pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc_YUV2RGB_601L;
554
555 DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
556 pdpu->csc_ptr->csc_mv[0],
557 pdpu->csc_ptr->csc_mv[1],
558 pdpu->csc_ptr->csc_mv[2]);
559 }
560
561 static void _dpu_plane_setup_scaler(struct dpu_plane *pdpu,
562 struct dpu_plane_state *pstate,
563 const struct dpu_format *fmt, bool color_fill)
564 {
565 const struct drm_format_info *info = drm_format_info(fmt->base.pixel_format);
566
567 /* don't chroma subsample if decimating */
568 /* update scaler. calculate default config for QSEED3 */
569 _dpu_plane_setup_scaler3(pdpu, pstate,
570 drm_rect_width(&pdpu->pipe_cfg.src_rect),
571 drm_rect_height(&pdpu->pipe_cfg.src_rect),
572 drm_rect_width(&pdpu->pipe_cfg.dst_rect),
573 drm_rect_height(&pdpu->pipe_cfg.dst_rect),
574 &pstate->scaler3_cfg, fmt,
575 info->hsub, info->vsub);
576 }
577
578 /**
579 * _dpu_plane_color_fill - enables color fill on plane
580 * @pdpu: Pointer to DPU plane object
581 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
582 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha
583 * Returns: 0 on success
584 */
585 static int _dpu_plane_color_fill(struct dpu_plane *pdpu,
586 uint32_t color, uint32_t alpha)
587 {
588 const struct dpu_format *fmt;
589 const struct drm_plane *plane = &pdpu->base;
590 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
591
592 DPU_DEBUG_PLANE(pdpu, "\n");
593
594 /*
595 * select fill format to match user property expectation,
596 * h/w only supports RGB variants
597 */
598 fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
599
600 /* update sspp */
601 if (fmt && pdpu->pipe_hw->ops.setup_solidfill) {
602 pdpu->pipe_hw->ops.setup_solidfill(pdpu->pipe_hw,
603 (color & 0xFFFFFF) | ((alpha & 0xFF) << 24),
604 pstate->multirect_index);
605
606 /* override scaler/decimation if solid fill */
607 pdpu->pipe_cfg.src_rect.x1 = 0;
608 pdpu->pipe_cfg.src_rect.y1 = 0;
609 pdpu->pipe_cfg.src_rect.x2 =
610 drm_rect_width(&pdpu->pipe_cfg.dst_rect);
611 pdpu->pipe_cfg.src_rect.y2 =
612 drm_rect_height(&pdpu->pipe_cfg.dst_rect);
613 _dpu_plane_setup_scaler(pdpu, pstate, fmt, true);
614
615 if (pdpu->pipe_hw->ops.setup_format)
616 pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw,
617 fmt, DPU_SSPP_SOLID_FILL,
618 pstate->multirect_index);
619
620 if (pdpu->pipe_hw->ops.setup_rects)
621 pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
622 &pdpu->pipe_cfg,
623 pstate->multirect_index);
624
625 if (pdpu->pipe_hw->ops.setup_pe)
626 pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw,
627 &pstate->pixel_ext);
628
629 if (pdpu->pipe_hw->ops.setup_scaler &&
630 pstate->multirect_index != DPU_SSPP_RECT_1)
631 pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw,
632 &pdpu->pipe_cfg, &pstate->pixel_ext,
633 &pstate->scaler3_cfg);
634 }
635
636 return 0;
637 }
638
639 void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state)
640 {
641 struct dpu_plane_state *pstate = to_dpu_plane_state(drm_state);
642
643 pstate->multirect_index = DPU_SSPP_RECT_SOLO;
644 pstate->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
645 }
646
647 int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane)
648 {
649 struct dpu_plane_state *pstate[R_MAX];
650 const struct drm_plane_state *drm_state[R_MAX];
651 struct drm_rect src[R_MAX], dst[R_MAX];
652 struct dpu_plane *dpu_plane[R_MAX];
653 const struct dpu_format *fmt[R_MAX];
654 int i, buffer_lines;
655 unsigned int max_tile_height = 1;
656 bool parallel_fetch_qualified = true;
657 bool has_tiled_rect = false;
658
659 for (i = 0; i < R_MAX; i++) {
660 const struct msm_format *msm_fmt;
661
662 drm_state[i] = i ? plane->r1 : plane->r0;
663 msm_fmt = msm_framebuffer_format(drm_state[i]->fb);
664 fmt[i] = to_dpu_format(msm_fmt);
665
666 if (DPU_FORMAT_IS_UBWC(fmt[i])) {
667 has_tiled_rect = true;
668 if (fmt[i]->tile_height > max_tile_height)
669 max_tile_height = fmt[i]->tile_height;
670 }
671 }
672
673 for (i = 0; i < R_MAX; i++) {
674 int width_threshold;
675
676 pstate[i] = to_dpu_plane_state(drm_state[i]);
677 dpu_plane[i] = to_dpu_plane(drm_state[i]->plane);
678
679 if (pstate[i] == NULL) {
680 DPU_ERROR("DPU plane state of plane id %d is NULL\n",
681 drm_state[i]->plane->base.id);
682 return -EINVAL;
683 }
684
685 src[i].x1 = drm_state[i]->src_x >> 16;
686 src[i].y1 = drm_state[i]->src_y >> 16;
687 src[i].x2 = src[i].x1 + (drm_state[i]->src_w >> 16);
688 src[i].y2 = src[i].y1 + (drm_state[i]->src_h >> 16);
689
690 dst[i] = drm_plane_state_dest(drm_state[i]);
691
692 if (drm_rect_calc_hscale(&src[i], &dst[i], 1, 1) != 1 ||
693 drm_rect_calc_vscale(&src[i], &dst[i], 1, 1) != 1) {
694 DPU_ERROR_PLANE(dpu_plane[i],
695 "scaling is not supported in multirect mode\n");
696 return -EINVAL;
697 }
698
699 if (DPU_FORMAT_IS_YUV(fmt[i])) {
700 DPU_ERROR_PLANE(dpu_plane[i],
701 "Unsupported format for multirect mode\n");
702 return -EINVAL;
703 }
704
705 /**
706 * SSPP PD_MEM is split half - one for each RECT.
707 * Tiled formats need 5 lines of buffering while fetching
708 * whereas linear formats need only 2 lines.
709 * So we cannot support more than half of the supported SSPP
710 * width for tiled formats.
711 */
712 width_threshold = dpu_plane[i]->pipe_sblk->common->maxlinewidth;
713 if (has_tiled_rect)
714 width_threshold /= 2;
715
716 if (parallel_fetch_qualified &&
717 drm_rect_width(&src[i]) > width_threshold)
718 parallel_fetch_qualified = false;
719
720 }
721
722 /* Validate RECT's and set the mode */
723
724 /* Prefer PARALLEL FETCH Mode over TIME_MX Mode */
725 if (parallel_fetch_qualified) {
726 pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
727 pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
728
729 goto done;
730 }
731
732 /* TIME_MX Mode */
733 buffer_lines = 2 * max_tile_height;
734
735 if (dst[R1].y1 >= dst[R0].y2 + buffer_lines ||
736 dst[R0].y1 >= dst[R1].y2 + buffer_lines) {
737 pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
738 pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
739 } else {
740 DPU_ERROR(
741 "No multirect mode possible for the planes (%d - %d)\n",
742 drm_state[R0]->plane->base.id,
743 drm_state[R1]->plane->base.id);
744 return -EINVAL;
745 }
746
747 done:
748 if (dpu_plane[R0]->is_virtual) {
749 pstate[R0]->multirect_index = DPU_SSPP_RECT_1;
750 pstate[R1]->multirect_index = DPU_SSPP_RECT_0;
751 } else {
752 pstate[R0]->multirect_index = DPU_SSPP_RECT_0;
753 pstate[R1]->multirect_index = DPU_SSPP_RECT_1;
754 }
755
756 DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n",
757 pstate[R0]->multirect_mode, pstate[R0]->multirect_index);
758 DPU_DEBUG_PLANE(dpu_plane[R1], "R1: %d - %d\n",
759 pstate[R1]->multirect_mode, pstate[R1]->multirect_index);
760 return 0;
761 }
762
763 /**
764 * dpu_plane_get_ctl_flush - get control flush for the given plane
765 * @plane: Pointer to drm plane structure
766 * @ctl: Pointer to hardware control driver
767 * @flush_sspp: Pointer to sspp flush control word
768 */
769 void dpu_plane_get_ctl_flush(struct drm_plane *plane, struct dpu_hw_ctl *ctl,
770 u32 *flush_sspp)
771 {
772 *flush_sspp = ctl->ops.get_bitmask_sspp(ctl, dpu_plane_pipe(plane));
773 }
774
775 static int dpu_plane_prepare_fb(struct drm_plane *plane,
776 struct drm_plane_state *new_state)
777 {
778 struct drm_framebuffer *fb = new_state->fb;
779 struct dpu_plane *pdpu = to_dpu_plane(plane);
780 struct dpu_plane_state *pstate = to_dpu_plane_state(new_state);
781 struct dpu_hw_fmt_layout layout;
782 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
783 int ret;
784
785 if (!new_state->fb)
786 return 0;
787
788 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);
789
790 /* cache aspace */
791 pstate->aspace = kms->base.aspace;
792
793 /*
794 * TODO: Need to sort out the msm_framebuffer_prepare() call below so
795 * we can use msm_atomic_prepare_fb() instead of doing the
796 * implicit fence and fb prepare by hand here.
797 */
798 drm_gem_fb_prepare_fb(plane, new_state);
799
800 if (pstate->aspace) {
801 ret = msm_framebuffer_prepare(new_state->fb,
802 pstate->aspace);
803 if (ret) {
804 DPU_ERROR("failed to prepare framebuffer\n");
805 return ret;
806 }
807 }
808
809 /* validate framebuffer layout before commit */
810 ret = dpu_format_populate_layout(pstate->aspace,
811 new_state->fb, &layout);
812 if (ret) {
813 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
814 return ret;
815 }
816
817 return 0;
818 }
819
820 static void dpu_plane_cleanup_fb(struct drm_plane *plane,
821 struct drm_plane_state *old_state)
822 {
823 struct dpu_plane *pdpu = to_dpu_plane(plane);
824 struct dpu_plane_state *old_pstate;
825
826 if (!old_state || !old_state->fb)
827 return;
828
829 old_pstate = to_dpu_plane_state(old_state);
830
831 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id);
832
833 msm_framebuffer_cleanup(old_state->fb, old_pstate->aspace);
834 }
835
836 static bool dpu_plane_validate_src(struct drm_rect *src,
837 struct drm_rect *fb_rect,
838 uint32_t min_src_size)
839 {
840 /* Ensure fb size is supported */
841 if (drm_rect_width(fb_rect) > MAX_IMG_WIDTH ||
842 drm_rect_height(fb_rect) > MAX_IMG_HEIGHT)
843 return false;
844
845 /* Ensure src rect is above the minimum size */
846 if (drm_rect_width(src) < min_src_size ||
847 drm_rect_height(src) < min_src_size)
848 return false;
849
850 /* Ensure src is fully encapsulated in fb */
851 return drm_rect_intersect(fb_rect, src) &&
852 drm_rect_equals(fb_rect, src);
853 }
854
855 static int dpu_plane_atomic_check(struct drm_plane *plane,
856 struct drm_plane_state *state)
857 {
858 int ret = 0, min_scale;
859 struct dpu_plane *pdpu = to_dpu_plane(plane);
860 const struct drm_crtc_state *crtc_state = NULL;
861 const struct dpu_format *fmt;
862 struct drm_rect src, dst, fb_rect = { 0 };
863 uint32_t min_src_size, max_linewidth;
864
865 if (state->crtc)
866 crtc_state = drm_atomic_get_new_crtc_state(state->state,
867 state->crtc);
868
869 min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxdwnscale);
870 ret = drm_atomic_helper_check_plane_state(state, crtc_state, min_scale,
871 pdpu->pipe_sblk->maxupscale << 16,
872 true, true);
873 if (ret) {
874 DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
875 return ret;
876 }
877 if (!state->visible)
878 return 0;
879
880 src.x1 = state->src_x >> 16;
881 src.y1 = state->src_y >> 16;
882 src.x2 = src.x1 + (state->src_w >> 16);
883 src.y2 = src.y1 + (state->src_h >> 16);
884
885 dst = drm_plane_state_dest(state);
886
887 fb_rect.x2 = state->fb->width;
888 fb_rect.y2 = state->fb->height;
889
890 max_linewidth = pdpu->pipe_sblk->common->maxlinewidth;
891
892 fmt = to_dpu_format(msm_framebuffer_format(state->fb));
893
894 min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1;
895
896 if (DPU_FORMAT_IS_YUV(fmt) &&
897 (!(pdpu->features & DPU_SSPP_SCALER) ||
898 !(pdpu->features & (BIT(DPU_SSPP_CSC)
899 | BIT(DPU_SSPP_CSC_10BIT))))) {
900 DPU_DEBUG_PLANE(pdpu,
901 "plane doesn't have scaler/csc for yuv\n");
902 return -EINVAL;
903
904 /* check src bounds */
905 } else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) {
906 DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
907 DRM_RECT_ARG(&src));
908 return -E2BIG;
909
910 /* valid yuv image */
911 } else if (DPU_FORMAT_IS_YUV(fmt) &&
912 (src.x1 & 0x1 || src.y1 & 0x1 ||
913 drm_rect_width(&src) & 0x1 ||
914 drm_rect_height(&src) & 0x1)) {
915 DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n",
916 DRM_RECT_ARG(&src));
917 return -EINVAL;
918
919 /* min dst support */
920 } else if (drm_rect_width(&dst) < 0x1 || drm_rect_height(&dst) < 0x1) {
921 DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n",
922 DRM_RECT_ARG(&dst));
923 return -EINVAL;
924
925 /* check decimated source width */
926 } else if (drm_rect_width(&src) > max_linewidth) {
927 DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
928 DRM_RECT_ARG(&src), max_linewidth);
929 return -E2BIG;
930 }
931
932 return 0;
933 }
934
935 void dpu_plane_flush(struct drm_plane *plane)
936 {
937 struct dpu_plane *pdpu;
938 struct dpu_plane_state *pstate;
939
940 if (!plane || !plane->state) {
941 DPU_ERROR("invalid plane\n");
942 return;
943 }
944
945 pdpu = to_dpu_plane(plane);
946 pstate = to_dpu_plane_state(plane->state);
947
948 /*
949 * These updates have to be done immediately before the plane flush
950 * timing, and may not be moved to the atomic_update/mode_set functions.
951 */
952 if (pdpu->is_error)
953 /* force white frame with 100% alpha pipe output on error */
954 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
955 else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
956 /* force 100% alpha */
957 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
958 else if (pdpu->pipe_hw && pdpu->csc_ptr && pdpu->pipe_hw->ops.setup_csc)
959 pdpu->pipe_hw->ops.setup_csc(pdpu->pipe_hw, pdpu->csc_ptr);
960
961 /* flag h/w flush complete */
962 if (plane->state)
963 pstate->pending = false;
964 }
965
966 /**
967 * dpu_plane_set_error: enable/disable error condition
968 * @plane: pointer to drm_plane structure
969 */
970 void dpu_plane_set_error(struct drm_plane *plane, bool error)
971 {
972 struct dpu_plane *pdpu;
973
974 if (!plane)
975 return;
976
977 pdpu = to_dpu_plane(plane);
978 pdpu->is_error = error;
979 }
980
981 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
982 {
983 uint32_t src_flags;
984 struct dpu_plane *pdpu = to_dpu_plane(plane);
985 struct drm_plane_state *state = plane->state;
986 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
987 struct drm_crtc *crtc = state->crtc;
988 struct drm_framebuffer *fb = state->fb;
989 const struct dpu_format *fmt =
990 to_dpu_format(msm_framebuffer_format(fb));
991
992 memset(&(pdpu->pipe_cfg), 0, sizeof(struct dpu_hw_pipe_cfg));
993
994 _dpu_plane_set_scanout(plane, pstate, &pdpu->pipe_cfg, fb);
995
996 pstate->pending = true;
997
998 pdpu->is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
999 _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
1000
1001 DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
1002 ", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
1003 crtc->base.id, DRM_RECT_ARG(&state->dst),
1004 (char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt));
1005
1006 pdpu->pipe_cfg.src_rect = state->src;
1007
1008 /* state->src is 16.16, src_rect is not */
1009 pdpu->pipe_cfg.src_rect.x1 >>= 16;
1010 pdpu->pipe_cfg.src_rect.x2 >>= 16;
1011 pdpu->pipe_cfg.src_rect.y1 >>= 16;
1012 pdpu->pipe_cfg.src_rect.y2 >>= 16;
1013
1014 pdpu->pipe_cfg.dst_rect = state->dst;
1015
1016 _dpu_plane_setup_scaler(pdpu, pstate, fmt, false);
1017
1018 /* override for color fill */
1019 if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
1020 /* skip remaining processing on color fill */
1021 return;
1022 }
1023
1024 if (pdpu->pipe_hw->ops.setup_rects) {
1025 pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
1026 &pdpu->pipe_cfg,
1027 pstate->multirect_index);
1028 }
1029
1030 if (pdpu->pipe_hw->ops.setup_pe &&
1031 (pstate->multirect_index != DPU_SSPP_RECT_1))
1032 pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw,
1033 &pstate->pixel_ext);
1034
1035 /**
1036 * when programmed in multirect mode, scalar block will be
1037 * bypassed. Still we need to update alpha and bitwidth
1038 * ONLY for RECT0
1039 */
1040 if (pdpu->pipe_hw->ops.setup_scaler &&
1041 pstate->multirect_index != DPU_SSPP_RECT_1)
1042 pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw,
1043 &pdpu->pipe_cfg, &pstate->pixel_ext,
1044 &pstate->scaler3_cfg);
1045
1046 if (pdpu->pipe_hw->ops.setup_multirect)
1047 pdpu->pipe_hw->ops.setup_multirect(
1048 pdpu->pipe_hw,
1049 pstate->multirect_index,
1050 pstate->multirect_mode);
1051
1052 if (pdpu->pipe_hw->ops.setup_format) {
1053 unsigned int rotation;
1054
1055 src_flags = 0x0;
1056
1057 rotation = drm_rotation_simplify(state->rotation,
1058 DRM_MODE_ROTATE_0 |
1059 DRM_MODE_REFLECT_X |
1060 DRM_MODE_REFLECT_Y);
1061
1062 if (rotation & DRM_MODE_REFLECT_X)
1063 src_flags |= DPU_SSPP_FLIP_LR;
1064
1065 if (rotation & DRM_MODE_REFLECT_Y)
1066 src_flags |= DPU_SSPP_FLIP_UD;
1067
1068 /* update format */
1069 pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags,
1070 pstate->multirect_index);
1071
1072 if (pdpu->pipe_hw->ops.setup_cdp) {
1073 struct dpu_hw_pipe_cdp_cfg *cdp_cfg = &pstate->cdp_cfg;
1074
1075 memset(cdp_cfg, 0, sizeof(struct dpu_hw_pipe_cdp_cfg));
1076
1077 cdp_cfg->enable = pdpu->catalog->perf.cdp_cfg
1078 [DPU_PERF_CDP_USAGE_RT].rd_enable;
1079 cdp_cfg->ubwc_meta_enable =
1080 DPU_FORMAT_IS_UBWC(fmt);
1081 cdp_cfg->tile_amortize_enable =
1082 DPU_FORMAT_IS_UBWC(fmt) ||
1083 DPU_FORMAT_IS_TILE(fmt);
1084 cdp_cfg->preload_ahead = DPU_SSPP_CDP_PRELOAD_AHEAD_64;
1085
1086 pdpu->pipe_hw->ops.setup_cdp(pdpu->pipe_hw, cdp_cfg);
1087 }
1088
1089 /* update csc */
1090 if (DPU_FORMAT_IS_YUV(fmt))
1091 _dpu_plane_setup_csc(pdpu);
1092 else
1093 pdpu->csc_ptr = 0;
1094 }
1095
1096 _dpu_plane_set_qos_lut(plane, fb);
1097 _dpu_plane_set_danger_lut(plane, fb);
1098
1099 if (plane->type != DRM_PLANE_TYPE_CURSOR) {
1100 _dpu_plane_set_qos_ctrl(plane, true, DPU_PLANE_QOS_PANIC_CTRL);
1101 _dpu_plane_set_ot_limit(plane, crtc);
1102 }
1103
1104 _dpu_plane_set_qos_remap(plane);
1105 }
1106
1107 static void _dpu_plane_atomic_disable(struct drm_plane *plane)
1108 {
1109 struct dpu_plane *pdpu = to_dpu_plane(plane);
1110 struct drm_plane_state *state = plane->state;
1111 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1112
1113 trace_dpu_plane_disable(DRMID(plane), is_dpu_plane_virtual(plane),
1114 pstate->multirect_mode);
1115
1116 pstate->pending = true;
1117
1118 if (is_dpu_plane_virtual(plane) &&
1119 pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_multirect)
1120 pdpu->pipe_hw->ops.setup_multirect(pdpu->pipe_hw,
1121 DPU_SSPP_RECT_SOLO, DPU_SSPP_MULTIRECT_NONE);
1122 }
1123
1124 static void dpu_plane_atomic_update(struct drm_plane *plane,
1125 struct drm_plane_state *old_state)
1126 {
1127 struct dpu_plane *pdpu = to_dpu_plane(plane);
1128 struct drm_plane_state *state = plane->state;
1129
1130 pdpu->is_error = false;
1131
1132 DPU_DEBUG_PLANE(pdpu, "\n");
1133
1134 if (!state->visible) {
1135 _dpu_plane_atomic_disable(plane);
1136 } else {
1137 dpu_plane_sspp_atomic_update(plane);
1138 }
1139 }
1140
1141 void dpu_plane_restore(struct drm_plane *plane)
1142 {
1143 struct dpu_plane *pdpu;
1144
1145 if (!plane || !plane->state) {
1146 DPU_ERROR("invalid plane\n");
1147 return;
1148 }
1149
1150 pdpu = to_dpu_plane(plane);
1151
1152 DPU_DEBUG_PLANE(pdpu, "\n");
1153
1154 /* last plane state is same as current state */
1155 dpu_plane_atomic_update(plane, plane->state);
1156 }
1157
1158 static void dpu_plane_destroy(struct drm_plane *plane)
1159 {
1160 struct dpu_plane *pdpu = plane ? to_dpu_plane(plane) : NULL;
1161
1162 DPU_DEBUG_PLANE(pdpu, "\n");
1163
1164 if (pdpu) {
1165 _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
1166
1167 mutex_destroy(&pdpu->lock);
1168
1169 /* this will destroy the states as well */
1170 drm_plane_cleanup(plane);
1171
1172 dpu_hw_sspp_destroy(pdpu->pipe_hw);
1173
1174 kfree(pdpu);
1175 }
1176 }
1177
1178 static void dpu_plane_destroy_state(struct drm_plane *plane,
1179 struct drm_plane_state *state)
1180 {
1181 __drm_atomic_helper_plane_destroy_state(state);
1182 kfree(to_dpu_plane_state(state));
1183 }
1184
1185 static struct drm_plane_state *
1186 dpu_plane_duplicate_state(struct drm_plane *plane)
1187 {
1188 struct dpu_plane *pdpu;
1189 struct dpu_plane_state *pstate;
1190 struct dpu_plane_state *old_state;
1191
1192 if (!plane) {
1193 DPU_ERROR("invalid plane\n");
1194 return NULL;
1195 } else if (!plane->state) {
1196 DPU_ERROR("invalid plane state\n");
1197 return NULL;
1198 }
1199
1200 old_state = to_dpu_plane_state(plane->state);
1201 pdpu = to_dpu_plane(plane);
1202 pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
1203 if (!pstate) {
1204 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1205 return NULL;
1206 }
1207
1208 DPU_DEBUG_PLANE(pdpu, "\n");
1209
1210 pstate->pending = false;
1211
1212 __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base);
1213
1214 return &pstate->base;
1215 }
1216
1217 static void dpu_plane_reset(struct drm_plane *plane)
1218 {
1219 struct dpu_plane *pdpu;
1220 struct dpu_plane_state *pstate;
1221
1222 if (!plane) {
1223 DPU_ERROR("invalid plane\n");
1224 return;
1225 }
1226
1227 pdpu = to_dpu_plane(plane);
1228 DPU_DEBUG_PLANE(pdpu, "\n");
1229
1230 /* remove previous state, if present */
1231 if (plane->state) {
1232 dpu_plane_destroy_state(plane, plane->state);
1233 plane->state = 0;
1234 }
1235
1236 pstate = kzalloc(sizeof(*pstate), GFP_KERNEL);
1237 if (!pstate) {
1238 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1239 return;
1240 }
1241
1242 pstate->base.plane = plane;
1243
1244 plane->state = &pstate->base;
1245 }
1246
1247 #ifdef CONFIG_DEBUG_FS
1248 static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
1249 {
1250 struct dpu_plane *pdpu = to_dpu_plane(plane);
1251 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1252
1253 if (!pdpu->is_rt_pipe)
1254 return;
1255
1256 pm_runtime_get_sync(&dpu_kms->pdev->dev);
1257 _dpu_plane_set_qos_ctrl(plane, enable, DPU_PLANE_QOS_PANIC_CTRL);
1258 pm_runtime_put_sync(&dpu_kms->pdev->dev);
1259 }
1260
1261 static ssize_t _dpu_plane_danger_read(struct file *file,
1262 char __user *buff, size_t count, loff_t *ppos)
1263 {
1264 struct dpu_kms *kms = file->private_data;
1265 int len;
1266 char buf[40];
1267
1268 len = scnprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl);
1269
1270 return simple_read_from_buffer(buff, count, ppos, buf, len);
1271 }
1272
1273 static void _dpu_plane_set_danger_state(struct dpu_kms *kms, bool enable)
1274 {
1275 struct drm_plane *plane;
1276
1277 drm_for_each_plane(plane, kms->dev) {
1278 if (plane->fb && plane->state) {
1279 dpu_plane_danger_signal_ctrl(plane, enable);
1280 DPU_DEBUG("plane:%d img:%dx%d ",
1281 plane->base.id, plane->fb->width,
1282 plane->fb->height);
1283 DPU_DEBUG("src[%d,%d,%d,%d] dst[%d,%d,%d,%d]\n",
1284 plane->state->src_x >> 16,
1285 plane->state->src_y >> 16,
1286 plane->state->src_w >> 16,
1287 plane->state->src_h >> 16,
1288 plane->state->crtc_x, plane->state->crtc_y,
1289 plane->state->crtc_w, plane->state->crtc_h);
1290 } else {
1291 DPU_DEBUG("Inactive plane:%d\n", plane->base.id);
1292 }
1293 }
1294 }
1295
1296 static ssize_t _dpu_plane_danger_write(struct file *file,
1297 const char __user *user_buf, size_t count, loff_t *ppos)
1298 {
1299 struct dpu_kms *kms = file->private_data;
1300 int disable_panic;
1301 int ret;
1302
1303 ret = kstrtouint_from_user(user_buf, count, 0, &disable_panic);
1304 if (ret)
1305 return ret;
1306
1307 if (disable_panic) {
1308 /* Disable panic signal for all active pipes */
1309 DPU_DEBUG("Disabling danger:\n");
1310 _dpu_plane_set_danger_state(kms, false);
1311 kms->has_danger_ctrl = false;
1312 } else {
1313 /* Enable panic signal for all active pipes */
1314 DPU_DEBUG("Enabling danger:\n");
1315 kms->has_danger_ctrl = true;
1316 _dpu_plane_set_danger_state(kms, true);
1317 }
1318
1319 return count;
1320 }
1321
1322 static const struct file_operations dpu_plane_danger_enable = {
1323 .open = simple_open,
1324 .read = _dpu_plane_danger_read,
1325 .write = _dpu_plane_danger_write,
1326 };
1327
1328 static int _dpu_plane_init_debugfs(struct drm_plane *plane)
1329 {
1330 struct dpu_plane *pdpu = to_dpu_plane(plane);
1331 struct dpu_kms *kms = _dpu_plane_get_kms(plane);
1332 const struct dpu_sspp_cfg *cfg = pdpu->pipe_hw->cap;
1333 const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
1334
1335 /* create overall sub-directory for the pipe */
1336 pdpu->debugfs_root =
1337 debugfs_create_dir(pdpu->pipe_name,
1338 plane->dev->primary->debugfs_root);
1339
1340 /* don't error check these */
1341 debugfs_create_x32("features", 0600,
1342 pdpu->debugfs_root, &pdpu->features);
1343
1344 /* add register dump support */
1345 dpu_debugfs_setup_regset32(&pdpu->debugfs_src,
1346 sblk->src_blk.base + cfg->base,
1347 sblk->src_blk.len,
1348 kms);
1349 dpu_debugfs_create_regset32("src_blk", 0400,
1350 pdpu->debugfs_root, &pdpu->debugfs_src);
1351
1352 if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) ||
1353 cfg->features & BIT(DPU_SSPP_SCALER_QSEED2) ||
1354 cfg->features & BIT(DPU_SSPP_SCALER_QSEED4)) {
1355 dpu_debugfs_setup_regset32(&pdpu->debugfs_scaler,
1356 sblk->scaler_blk.base + cfg->base,
1357 sblk->scaler_blk.len,
1358 kms);
1359 dpu_debugfs_create_regset32("scaler_blk", 0400,
1360 pdpu->debugfs_root,
1361 &pdpu->debugfs_scaler);
1362 debugfs_create_bool("default_scaling",
1363 0600,
1364 pdpu->debugfs_root,
1365 &pdpu->debugfs_default_scale);
1366 }
1367
1368 if (cfg->features & BIT(DPU_SSPP_CSC) ||
1369 cfg->features & BIT(DPU_SSPP_CSC_10BIT)) {
1370 dpu_debugfs_setup_regset32(&pdpu->debugfs_csc,
1371 sblk->csc_blk.base + cfg->base,
1372 sblk->csc_blk.len,
1373 kms);
1374 dpu_debugfs_create_regset32("csc_blk", 0400,
1375 pdpu->debugfs_root, &pdpu->debugfs_csc);
1376 }
1377
1378 debugfs_create_u32("xin_id",
1379 0400,
1380 pdpu->debugfs_root,
1381 (u32 *) &cfg->xin_id);
1382 debugfs_create_u32("clk_ctrl",
1383 0400,
1384 pdpu->debugfs_root,
1385 (u32 *) &cfg->clk_ctrl);
1386 debugfs_create_x32("creq_vblank",
1387 0600,
1388 pdpu->debugfs_root,
1389 (u32 *) &sblk->creq_vblank);
1390 debugfs_create_x32("danger_vblank",
1391 0600,
1392 pdpu->debugfs_root,
1393 (u32 *) &sblk->danger_vblank);
1394
1395 debugfs_create_file("disable_danger",
1396 0600,
1397 pdpu->debugfs_root,
1398 kms, &dpu_plane_danger_enable);
1399
1400 return 0;
1401 }
1402 #else
1403 static int _dpu_plane_init_debugfs(struct drm_plane *plane)
1404 {
1405 return 0;
1406 }
1407 #endif
1408
1409 static int dpu_plane_late_register(struct drm_plane *plane)
1410 {
1411 return _dpu_plane_init_debugfs(plane);
1412 }
1413
1414 static void dpu_plane_early_unregister(struct drm_plane *plane)
1415 {
1416 struct dpu_plane *pdpu = to_dpu_plane(plane);
1417
1418 debugfs_remove_recursive(pdpu->debugfs_root);
1419 }
1420
1421 static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
1422 uint32_t format, uint64_t modifier)
1423 {
1424 if (modifier == DRM_FORMAT_MOD_LINEAR)
1425 return true;
1426
1427 if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED) {
1428 int i;
1429 for (i = 0; i < ARRAY_SIZE(qcom_compressed_supported_formats); i++) {
1430 if (format == qcom_compressed_supported_formats[i])
1431 return true;
1432 }
1433 }
1434
1435 return false;
1436 }
1437
1438 static const struct drm_plane_funcs dpu_plane_funcs = {
1439 .update_plane = drm_atomic_helper_update_plane,
1440 .disable_plane = drm_atomic_helper_disable_plane,
1441 .destroy = dpu_plane_destroy,
1442 .reset = dpu_plane_reset,
1443 .atomic_duplicate_state = dpu_plane_duplicate_state,
1444 .atomic_destroy_state = dpu_plane_destroy_state,
1445 .late_register = dpu_plane_late_register,
1446 .early_unregister = dpu_plane_early_unregister,
1447 .format_mod_supported = dpu_plane_format_mod_supported,
1448 };
1449
1450 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
1451 .prepare_fb = dpu_plane_prepare_fb,
1452 .cleanup_fb = dpu_plane_cleanup_fb,
1453 .atomic_check = dpu_plane_atomic_check,
1454 .atomic_update = dpu_plane_atomic_update,
1455 };
1456
1457 enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane)
1458 {
1459 return plane ? to_dpu_plane(plane)->pipe : SSPP_NONE;
1460 }
1461
1462 bool is_dpu_plane_virtual(struct drm_plane *plane)
1463 {
1464 return plane ? to_dpu_plane(plane)->is_virtual : false;
1465 }
1466
1467 /* initialize plane */
1468 struct drm_plane *dpu_plane_init(struct drm_device *dev,
1469 uint32_t pipe, enum drm_plane_type type,
1470 unsigned long possible_crtcs, u32 master_plane_id)
1471 {
1472 struct drm_plane *plane = NULL, *master_plane = NULL;
1473 const uint32_t *format_list;
1474 struct dpu_plane *pdpu;
1475 struct msm_drm_private *priv = dev->dev_private;
1476 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1477 int zpos_max = DPU_ZPOS_MAX;
1478 uint32_t num_formats;
1479 int ret = -EINVAL;
1480
1481 /* create and zero local structure */
1482 pdpu = kzalloc(sizeof(*pdpu), GFP_KERNEL);
1483 if (!pdpu) {
1484 DPU_ERROR("[%u]failed to allocate local plane struct\n", pipe);
1485 ret = -ENOMEM;
1486 return ERR_PTR(ret);
1487 }
1488
1489 /* cache local stuff for later */
1490 plane = &pdpu->base;
1491 pdpu->pipe = pipe;
1492 pdpu->is_virtual = (master_plane_id != 0);
1493 INIT_LIST_HEAD(&pdpu->mplane_list);
1494 master_plane = drm_plane_find(dev, NULL, master_plane_id);
1495 if (master_plane) {
1496 struct dpu_plane *mpdpu = to_dpu_plane(master_plane);
1497
1498 list_add_tail(&pdpu->mplane_list, &mpdpu->mplane_list);
1499 }
1500
1501 /* initialize underlying h/w driver */
1502 pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog,
1503 master_plane_id != 0);
1504 if (IS_ERR(pdpu->pipe_hw)) {
1505 DPU_ERROR("[%u]SSPP init failed\n", pipe);
1506 ret = PTR_ERR(pdpu->pipe_hw);
1507 goto clean_plane;
1508 } else if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) {
1509 DPU_ERROR("[%u]SSPP init returned invalid cfg\n", pipe);
1510 goto clean_sspp;
1511 }
1512
1513 /* cache features mask for later */
1514 pdpu->features = pdpu->pipe_hw->cap->features;
1515 pdpu->pipe_sblk = pdpu->pipe_hw->cap->sblk;
1516 if (!pdpu->pipe_sblk) {
1517 DPU_ERROR("[%u]invalid sblk\n", pipe);
1518 goto clean_sspp;
1519 }
1520
1521 if (pdpu->is_virtual) {
1522 format_list = pdpu->pipe_sblk->virt_format_list;
1523 num_formats = pdpu->pipe_sblk->virt_num_formats;
1524 }
1525 else {
1526 format_list = pdpu->pipe_sblk->format_list;
1527 num_formats = pdpu->pipe_sblk->num_formats;
1528 }
1529
1530 ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs,
1531 format_list, num_formats,
1532 supported_format_modifiers, type, NULL);
1533 if (ret)
1534 goto clean_sspp;
1535
1536 pdpu->catalog = kms->catalog;
1537
1538 if (kms->catalog->mixer_count &&
1539 kms->catalog->mixer[0].sblk->maxblendstages) {
1540 zpos_max = kms->catalog->mixer[0].sblk->maxblendstages - 1;
1541 if (zpos_max > DPU_STAGE_MAX - DPU_STAGE_0 - 1)
1542 zpos_max = DPU_STAGE_MAX - DPU_STAGE_0 - 1;
1543 }
1544
1545 ret = drm_plane_create_zpos_property(plane, 0, 0, zpos_max);
1546 if (ret)
1547 DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
1548
1549 drm_plane_create_rotation_property(plane,
1550 DRM_MODE_ROTATE_0,
1551 DRM_MODE_ROTATE_0 |
1552 DRM_MODE_ROTATE_180 |
1553 DRM_MODE_REFLECT_X |
1554 DRM_MODE_REFLECT_Y);
1555
1556 drm_plane_enable_fb_damage_clips(plane);
1557
1558 /* success! finalize initialization */
1559 drm_plane_helper_add(plane, &dpu_plane_helper_funcs);
1560
1561 /* save user friendly pipe name for later */
1562 snprintf(pdpu->pipe_name, DPU_NAME_SIZE, "plane%u", plane->base.id);
1563
1564 mutex_init(&pdpu->lock);
1565
1566 DPU_DEBUG("%s created for pipe:%u id:%u virtual:%u\n", pdpu->pipe_name,
1567 pipe, plane->base.id, master_plane_id);
1568 return plane;
1569
1570 clean_sspp:
1571 if (pdpu && pdpu->pipe_hw)
1572 dpu_hw_sspp_destroy(pdpu->pipe_hw);
1573 clean_plane:
1574 kfree(pdpu);
1575 return ERR_PTR(ret);
1576 }
Linux with added FPC-III support