Merge tag 'powerpc-6.6-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[platform/kernel/linux-starfive.git] / drivers / gpu / drm / msm / disp / dpu1 / dpu_plane.c
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.h>
14 #include <drm/drm_atomic_uapi.h>
15 #include <drm/drm_blend.h>
16 #include <drm/drm_damage_helper.h>
17 #include <drm/drm_framebuffer.h>
18 #include <drm/drm_gem_atomic_helper.h>
19
20 #include "msm_drv.h"
21 #include "dpu_kms.h"
22 #include "dpu_formats.h"
23 #include "dpu_hw_sspp.h"
24 #include "dpu_trace.h"
25 #include "dpu_crtc.h"
26 #include "dpu_vbif.h"
27 #include "dpu_plane.h"
28
29 #define DPU_DEBUG_PLANE(pl, fmt, ...) DRM_DEBUG_ATOMIC("plane%d " fmt,\
30                 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
31
32 #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\
33                 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
34
35 #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci))
36 #define PHASE_STEP_SHIFT        21
37 #define PHASE_STEP_UNIT_SCALE   ((int) (1 << PHASE_STEP_SHIFT))
38 #define PHASE_RESIDUAL          15
39
40 #define SHARP_STRENGTH_DEFAULT  32
41 #define SHARP_EDGE_THR_DEFAULT  112
42 #define SHARP_SMOOTH_THR_DEFAULT        8
43 #define SHARP_NOISE_THR_DEFAULT 2
44
45 #define DPU_PLANE_COLOR_FILL_FLAG       BIT(31)
46 #define DPU_ZPOS_MAX 255
47
48 /*
49  * Default Preload Values
50  */
51 #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4
52 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3
53 #define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2
54 #define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4
55
56 #define DEFAULT_REFRESH_RATE    60
57
58 static const uint32_t qcom_compressed_supported_formats[] = {
59         DRM_FORMAT_ABGR8888,
60         DRM_FORMAT_ARGB8888,
61         DRM_FORMAT_XBGR8888,
62         DRM_FORMAT_XRGB8888,
63         DRM_FORMAT_ARGB2101010,
64         DRM_FORMAT_XRGB2101010,
65         DRM_FORMAT_BGR565,
66
67         DRM_FORMAT_NV12,
68         DRM_FORMAT_P010,
69 };
70
71 /*
72  * struct dpu_plane - local dpu plane structure
73  * @aspace: address space pointer
74  * @csc_ptr: Points to dpu_csc_cfg structure to use for current
75  * @catalog: Points to dpu catalog structure
76  * @revalidate: force revalidation of all the plane properties
77  */
78 struct dpu_plane {
79         struct drm_plane base;
80
81         struct mutex lock;
82
83         enum dpu_sspp pipe;
84
85         uint32_t color_fill;
86         bool is_error;
87         bool is_rt_pipe;
88         const struct dpu_mdss_cfg *catalog;
89 };
90
91 static const uint64_t supported_format_modifiers[] = {
92         DRM_FORMAT_MOD_QCOM_COMPRESSED,
93         DRM_FORMAT_MOD_LINEAR,
94         DRM_FORMAT_MOD_INVALID
95 };
96
97 #define to_dpu_plane(x) container_of(x, struct dpu_plane, base)
98
99 static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane)
100 {
101         struct msm_drm_private *priv = plane->dev->dev_private;
102
103         return to_dpu_kms(priv->kms);
104 }
105
106 /**
107  * _dpu_plane_calc_bw - calculate bandwidth required for a plane
108  * @catalog: Points to dpu catalog structure
109  * @fmt: Pointer to source buffer format
110  * @mode: Pointer to drm display mode
111  * @pipe_cfg: Pointer to pipe configuration
112  * Result: Updates calculated bandwidth in the plane state.
113  * BW Equation: src_w * src_h * bpp * fps * (v_total / v_dest)
114  * Prefill BW Equation: line src bytes * line_time
115  */
116 static u64 _dpu_plane_calc_bw(const struct dpu_mdss_cfg *catalog,
117         const struct dpu_format *fmt,
118         const struct drm_display_mode *mode,
119         struct dpu_sw_pipe_cfg *pipe_cfg)
120 {
121         int src_width, src_height, dst_height, fps;
122         u64 plane_pixel_rate, plane_bit_rate;
123         u64 plane_prefill_bw;
124         u64 plane_bw;
125         u32 hw_latency_lines;
126         u64 scale_factor;
127         int vbp, vpw, vfp;
128
129         src_width = drm_rect_width(&pipe_cfg->src_rect);
130         src_height = drm_rect_height(&pipe_cfg->src_rect);
131         dst_height = drm_rect_height(&pipe_cfg->dst_rect);
132         fps = drm_mode_vrefresh(mode);
133         vbp = mode->vtotal - mode->vsync_end;
134         vpw = mode->vsync_end - mode->vsync_start;
135         vfp = mode->vsync_start - mode->vdisplay;
136         hw_latency_lines =  catalog->perf->min_prefill_lines;
137         scale_factor = src_height > dst_height ?
138                 mult_frac(src_height, 1, dst_height) : 1;
139
140         plane_pixel_rate = src_width * mode->vtotal * fps;
141         plane_bit_rate = plane_pixel_rate * fmt->bpp;
142
143         plane_bw = plane_bit_rate * scale_factor;
144
145         plane_prefill_bw = plane_bw * hw_latency_lines;
146
147         if ((vbp+vpw) > hw_latency_lines)
148                 do_div(plane_prefill_bw, (vbp+vpw));
149         else if ((vbp+vpw+vfp) < hw_latency_lines)
150                 do_div(plane_prefill_bw, (vbp+vpw+vfp));
151         else
152                 do_div(plane_prefill_bw, hw_latency_lines);
153
154
155         return max(plane_bw, plane_prefill_bw);
156 }
157
158 /**
159  * _dpu_plane_calc_clk - calculate clock required for a plane
160  * @mode: Pointer to drm display mode
161  * @pipe_cfg: Pointer to pipe configuration
162  * Result: Updates calculated clock in the plane state.
163  * Clock equation: dst_w * v_total * fps * (src_h / dst_h)
164  */
165 static u64 _dpu_plane_calc_clk(const struct drm_display_mode *mode,
166                 struct dpu_sw_pipe_cfg *pipe_cfg)
167 {
168         int dst_width, src_height, dst_height, fps;
169         u64 plane_clk;
170
171         src_height = drm_rect_height(&pipe_cfg->src_rect);
172         dst_width = drm_rect_width(&pipe_cfg->dst_rect);
173         dst_height = drm_rect_height(&pipe_cfg->dst_rect);
174         fps = drm_mode_vrefresh(mode);
175
176         plane_clk =
177                 dst_width * mode->vtotal * fps;
178
179         if (src_height > dst_height) {
180                 plane_clk *= src_height;
181                 do_div(plane_clk, dst_height);
182         }
183
184         return plane_clk;
185 }
186
187 /**
188  * _dpu_plane_calc_fill_level - calculate fill level of the given source format
189  * @plane:              Pointer to drm plane
190  * @pipe:               Pointer to software pipe
191  * @lut_usage:          LUT usecase
192  * @fmt:                Pointer to source buffer format
193  * @src_width:          width of source buffer
194  * Return: fill level corresponding to the source buffer/format or 0 if error
195  */
196 static int _dpu_plane_calc_fill_level(struct drm_plane *plane,
197                 struct dpu_sw_pipe *pipe,
198                 enum dpu_qos_lut_usage lut_usage,
199                 const struct dpu_format *fmt, u32 src_width)
200 {
201         struct dpu_plane *pdpu;
202         u32 fixed_buff_size;
203         u32 total_fl;
204
205         if (!fmt || !pipe || !src_width || !fmt->bpp) {
206                 DPU_ERROR("invalid arguments\n");
207                 return 0;
208         }
209
210         if (lut_usage == DPU_QOS_LUT_USAGE_NRT)
211                 return 0;
212
213         pdpu = to_dpu_plane(plane);
214         fixed_buff_size = pdpu->catalog->caps->pixel_ram_size;
215
216         /* FIXME: in multirect case account for the src_width of all the planes */
217
218         if (fmt->fetch_planes == DPU_PLANE_PSEUDO_PLANAR) {
219                 if (fmt->chroma_sample == DPU_CHROMA_420) {
220                         /* NV12 */
221                         total_fl = (fixed_buff_size / 2) /
222                                 ((src_width + 32) * fmt->bpp);
223                 } else {
224                         /* non NV12 */
225                         total_fl = (fixed_buff_size / 2) * 2 /
226                                 ((src_width + 32) * fmt->bpp);
227                 }
228         } else {
229                 if (pipe->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) {
230                         total_fl = (fixed_buff_size / 2) * 2 /
231                                 ((src_width + 32) * fmt->bpp);
232                 } else {
233                         total_fl = (fixed_buff_size) * 2 /
234                                 ((src_width + 32) * fmt->bpp);
235                 }
236         }
237
238         DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s w:%u fl:%u\n",
239                         pipe->sspp->idx - SSPP_VIG0,
240                         (char *)&fmt->base.pixel_format,
241                         src_width, total_fl);
242
243         return total_fl;
244 }
245
246 /**
247  * _dpu_plane_set_qos_lut - set QoS LUT of the given plane
248  * @plane:              Pointer to drm plane
249  * @pipe:               Pointer to software pipe
250  * @fmt:                Pointer to source buffer format
251  * @pipe_cfg:           Pointer to pipe configuration
252  */
253 static void _dpu_plane_set_qos_lut(struct drm_plane *plane,
254                 struct dpu_sw_pipe *pipe,
255                 const struct dpu_format *fmt, struct dpu_sw_pipe_cfg *pipe_cfg)
256 {
257         struct dpu_plane *pdpu = to_dpu_plane(plane);
258         struct dpu_hw_qos_cfg cfg;
259         u32 total_fl, lut_usage;
260
261         if (!pdpu->is_rt_pipe) {
262                 lut_usage = DPU_QOS_LUT_USAGE_NRT;
263         } else {
264                 if (fmt && DPU_FORMAT_IS_LINEAR(fmt))
265                         lut_usage = DPU_QOS_LUT_USAGE_LINEAR;
266                 else
267                         lut_usage = DPU_QOS_LUT_USAGE_MACROTILE;
268         }
269
270         total_fl = _dpu_plane_calc_fill_level(plane, pipe, lut_usage, fmt,
271                                 drm_rect_width(&pipe_cfg->src_rect));
272
273         cfg.creq_lut = _dpu_hw_get_qos_lut(&pdpu->catalog->perf->qos_lut_tbl[lut_usage], total_fl);
274         cfg.danger_lut = pdpu->catalog->perf->danger_lut_tbl[lut_usage];
275         cfg.safe_lut = pdpu->catalog->perf->safe_lut_tbl[lut_usage];
276
277         if (pipe->sspp->idx != SSPP_CURSOR0 &&
278             pipe->sspp->idx != SSPP_CURSOR1 &&
279             pdpu->is_rt_pipe)
280                 cfg.danger_safe_en = true;
281
282         DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n",
283                 pdpu->pipe - SSPP_VIG0,
284                 cfg.danger_safe_en,
285                 pdpu->is_rt_pipe);
286
287         trace_dpu_perf_set_qos_luts(pipe->sspp->idx - SSPP_VIG0,
288                         (fmt) ? fmt->base.pixel_format : 0,
289                         pdpu->is_rt_pipe, total_fl, cfg.creq_lut, lut_usage);
290
291         DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s rt:%d fl:%u lut:0x%llx\n",
292                         pdpu->pipe - SSPP_VIG0,
293                         fmt ? (char *)&fmt->base.pixel_format : NULL,
294                         pdpu->is_rt_pipe, total_fl, cfg.creq_lut);
295
296         trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0,
297                         (fmt) ? fmt->base.pixel_format : 0,
298                         (fmt) ? fmt->fetch_mode : 0,
299                         cfg.danger_lut,
300                         cfg.safe_lut);
301
302         DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s mode:%d luts[0x%x, 0x%x]\n",
303                 pdpu->pipe - SSPP_VIG0,
304                 fmt ? (char *)&fmt->base.pixel_format : NULL,
305                 fmt ? fmt->fetch_mode : -1,
306                 cfg.danger_lut,
307                 cfg.safe_lut);
308
309         pipe->sspp->ops.setup_qos_lut(pipe->sspp, &cfg);
310 }
311
312 /**
313  * _dpu_plane_set_qos_ctrl - set QoS control of the given plane
314  * @plane:              Pointer to drm plane
315  * @pipe:               Pointer to software pipe
316  * @enable:             true to enable QoS control
317  */
318 static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
319         struct dpu_sw_pipe *pipe,
320         bool enable)
321 {
322         struct dpu_plane *pdpu = to_dpu_plane(plane);
323
324         if (!pdpu->is_rt_pipe)
325                 enable = false;
326
327         DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n",
328                 pdpu->pipe - SSPP_VIG0,
329                 enable,
330                 pdpu->is_rt_pipe);
331
332         pipe->sspp->ops.setup_qos_ctrl(pipe->sspp,
333                                        enable);
334 }
335
336 /**
337  * _dpu_plane_set_ot_limit - set OT limit for the given plane
338  * @plane:              Pointer to drm plane
339  * @pipe:               Pointer to software pipe
340  * @pipe_cfg:           Pointer to pipe configuration
341  * @frame_rate:         CRTC's frame rate
342  */
343 static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
344                 struct dpu_sw_pipe *pipe,
345                 struct dpu_sw_pipe_cfg *pipe_cfg,
346                 int frame_rate)
347 {
348         struct dpu_plane *pdpu = to_dpu_plane(plane);
349         struct dpu_vbif_set_ot_params ot_params;
350         struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
351
352         memset(&ot_params, 0, sizeof(ot_params));
353         ot_params.xin_id = pipe->sspp->cap->xin_id;
354         ot_params.num = pipe->sspp->idx - SSPP_NONE;
355         ot_params.width = drm_rect_width(&pipe_cfg->src_rect);
356         ot_params.height = drm_rect_height(&pipe_cfg->src_rect);
357         ot_params.is_wfd = !pdpu->is_rt_pipe;
358         ot_params.frame_rate = frame_rate;
359         ot_params.vbif_idx = VBIF_RT;
360         ot_params.clk_ctrl = pipe->sspp->cap->clk_ctrl;
361         ot_params.rd = true;
362
363         dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
364 }
365
366 /**
367  * _dpu_plane_set_qos_remap - set vbif QoS for the given plane
368  * @plane:              Pointer to drm plane
369  * @pipe:               Pointer to software pipe
370  */
371 static void _dpu_plane_set_qos_remap(struct drm_plane *plane,
372                 struct dpu_sw_pipe *pipe)
373 {
374         struct dpu_plane *pdpu = to_dpu_plane(plane);
375         struct dpu_vbif_set_qos_params qos_params;
376         struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
377
378         memset(&qos_params, 0, sizeof(qos_params));
379         qos_params.vbif_idx = VBIF_RT;
380         qos_params.clk_ctrl = pipe->sspp->cap->clk_ctrl;
381         qos_params.xin_id = pipe->sspp->cap->xin_id;
382         qos_params.num = pipe->sspp->idx - SSPP_VIG0;
383         qos_params.is_rt = pdpu->is_rt_pipe;
384
385         DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n",
386                         qos_params.num,
387                         qos_params.vbif_idx,
388                         qos_params.xin_id, qos_params.is_rt,
389                         qos_params.clk_ctrl);
390
391         dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
392 }
393
394 static void _dpu_plane_setup_scaler3(struct dpu_hw_sspp *pipe_hw,
395                 uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h,
396                 struct dpu_hw_scaler3_cfg *scale_cfg,
397                 const struct dpu_format *fmt,
398                 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v,
399                 unsigned int rotation)
400 {
401         uint32_t i;
402         bool inline_rotation = rotation & DRM_MODE_ROTATE_90;
403
404         /*
405          * For inline rotation cases, scaler config is post-rotation,
406          * so swap the dimensions here. However, pixel extension will
407          * need pre-rotation settings.
408          */
409         if (inline_rotation)
410                 swap(src_w, src_h);
411
412         scale_cfg->phase_step_x[DPU_SSPP_COMP_0] =
413                 mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w);
414         scale_cfg->phase_step_y[DPU_SSPP_COMP_0] =
415                 mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h);
416
417
418         scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] =
419                 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v;
420         scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] =
421                 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h;
422
423         scale_cfg->phase_step_x[DPU_SSPP_COMP_2] =
424                 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2];
425         scale_cfg->phase_step_y[DPU_SSPP_COMP_2] =
426                 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2];
427
428         scale_cfg->phase_step_x[DPU_SSPP_COMP_3] =
429                 scale_cfg->phase_step_x[DPU_SSPP_COMP_0];
430         scale_cfg->phase_step_y[DPU_SSPP_COMP_3] =
431                 scale_cfg->phase_step_y[DPU_SSPP_COMP_0];
432
433         for (i = 0; i < DPU_MAX_PLANES; i++) {
434                 scale_cfg->src_width[i] = src_w;
435                 scale_cfg->src_height[i] = src_h;
436                 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
437                         scale_cfg->src_width[i] /= chroma_subsmpl_h;
438                         scale_cfg->src_height[i] /= chroma_subsmpl_v;
439                 }
440
441                 if (pipe_hw->cap->features &
442                         BIT(DPU_SSPP_SCALER_QSEED4)) {
443                         scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H;
444                         scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V;
445                 } else {
446                         scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H;
447                         scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V;
448                 }
449         }
450         if (!(DPU_FORMAT_IS_YUV(fmt)) && (src_h == dst_h)
451                 && (src_w == dst_w))
452                 return;
453
454         scale_cfg->dst_width = dst_w;
455         scale_cfg->dst_height = dst_h;
456         scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL;
457         scale_cfg->uv_filter_cfg = DPU_SCALE_BIL;
458         scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL;
459         scale_cfg->lut_flag = 0;
460         scale_cfg->blend_cfg = 1;
461         scale_cfg->enable = 1;
462 }
463
464 static void _dpu_plane_setup_pixel_ext(struct dpu_hw_scaler3_cfg *scale_cfg,
465                                 struct dpu_hw_pixel_ext *pixel_ext,
466                                 uint32_t src_w, uint32_t src_h,
467                                 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
468 {
469         int i;
470
471         for (i = 0; i < DPU_MAX_PLANES; i++) {
472                 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
473                         src_w /= chroma_subsmpl_h;
474                         src_h /= chroma_subsmpl_v;
475                 }
476
477                 pixel_ext->num_ext_pxls_top[i] = src_h;
478                 pixel_ext->num_ext_pxls_left[i] = src_w;
479         }
480 }
481
482 static const struct dpu_csc_cfg dpu_csc_YUV2RGB_601L = {
483         {
484                 /* S15.16 format */
485                 0x00012A00, 0x00000000, 0x00019880,
486                 0x00012A00, 0xFFFF9B80, 0xFFFF3000,
487                 0x00012A00, 0x00020480, 0x00000000,
488         },
489         /* signed bias */
490         { 0xfff0, 0xff80, 0xff80,},
491         { 0x0, 0x0, 0x0,},
492         /* unsigned clamp */
493         { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0,},
494         { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,},
495 };
496
497 static const struct dpu_csc_cfg dpu_csc10_YUV2RGB_601L = {
498         {
499                 /* S15.16 format */
500                 0x00012A00, 0x00000000, 0x00019880,
501                 0x00012A00, 0xFFFF9B80, 0xFFFF3000,
502                 0x00012A00, 0x00020480, 0x00000000,
503                 },
504         /* signed bias */
505         { 0xffc0, 0xfe00, 0xfe00,},
506         { 0x0, 0x0, 0x0,},
507         /* unsigned clamp */
508         { 0x40, 0x3ac, 0x40, 0x3c0, 0x40, 0x3c0,},
509         { 0x00, 0x3ff, 0x00, 0x3ff, 0x00, 0x3ff,},
510 };
511
512 static const struct dpu_csc_cfg *_dpu_plane_get_csc(struct dpu_sw_pipe *pipe,
513                                                     const struct dpu_format *fmt)
514 {
515         const struct dpu_csc_cfg *csc_ptr;
516
517         if (!DPU_FORMAT_IS_YUV(fmt))
518                 return NULL;
519
520         if (BIT(DPU_SSPP_CSC_10BIT) & pipe->sspp->cap->features)
521                 csc_ptr = &dpu_csc10_YUV2RGB_601L;
522         else
523                 csc_ptr = &dpu_csc_YUV2RGB_601L;
524
525         return csc_ptr;
526 }
527
528 static void _dpu_plane_setup_scaler(struct dpu_sw_pipe *pipe,
529                 const struct dpu_format *fmt, bool color_fill,
530                 struct dpu_sw_pipe_cfg *pipe_cfg,
531                 unsigned int rotation)
532 {
533         struct dpu_hw_sspp *pipe_hw = pipe->sspp;
534         const struct drm_format_info *info = drm_format_info(fmt->base.pixel_format);
535         struct dpu_hw_scaler3_cfg scaler3_cfg;
536         struct dpu_hw_pixel_ext pixel_ext;
537         u32 src_width = drm_rect_width(&pipe_cfg->src_rect);
538         u32 src_height = drm_rect_height(&pipe_cfg->src_rect);
539         u32 dst_width = drm_rect_width(&pipe_cfg->dst_rect);
540         u32 dst_height = drm_rect_height(&pipe_cfg->dst_rect);
541
542         memset(&scaler3_cfg, 0, sizeof(scaler3_cfg));
543         memset(&pixel_ext, 0, sizeof(pixel_ext));
544
545         /* don't chroma subsample if decimating */
546         /* update scaler. calculate default config for QSEED3 */
547         _dpu_plane_setup_scaler3(pipe_hw,
548                         src_width,
549                         src_height,
550                         dst_width,
551                         dst_height,
552                         &scaler3_cfg, fmt,
553                         info->hsub, info->vsub,
554                         rotation);
555
556         /* configure pixel extension based on scalar config */
557         _dpu_plane_setup_pixel_ext(&scaler3_cfg, &pixel_ext,
558                         src_width, src_height, info->hsub, info->vsub);
559
560         if (pipe_hw->ops.setup_pe)
561                 pipe_hw->ops.setup_pe(pipe_hw,
562                                 &pixel_ext);
563
564         /**
565          * when programmed in multirect mode, scalar block will be
566          * bypassed. Still we need to update alpha and bitwidth
567          * ONLY for RECT0
568          */
569         if (pipe_hw->ops.setup_scaler &&
570                         pipe->multirect_index != DPU_SSPP_RECT_1)
571                 pipe_hw->ops.setup_scaler(pipe_hw,
572                                 &scaler3_cfg,
573                                 fmt);
574 }
575
576 static void _dpu_plane_color_fill_pipe(struct dpu_plane_state *pstate,
577                                        struct dpu_sw_pipe *pipe,
578                                        struct drm_rect *dst_rect,
579                                        u32 fill_color,
580                                        const struct dpu_format *fmt)
581 {
582         struct dpu_sw_pipe_cfg pipe_cfg;
583
584         /* update sspp */
585         if (!pipe->sspp->ops.setup_solidfill)
586                 return;
587
588         pipe->sspp->ops.setup_solidfill(pipe, fill_color);
589
590         /* override scaler/decimation if solid fill */
591         pipe_cfg.dst_rect = *dst_rect;
592
593         pipe_cfg.src_rect.x1 = 0;
594         pipe_cfg.src_rect.y1 = 0;
595         pipe_cfg.src_rect.x2 =
596                 drm_rect_width(&pipe_cfg.dst_rect);
597         pipe_cfg.src_rect.y2 =
598                 drm_rect_height(&pipe_cfg.dst_rect);
599
600         if (pipe->sspp->ops.setup_format)
601                 pipe->sspp->ops.setup_format(pipe, fmt, DPU_SSPP_SOLID_FILL);
602
603         if (pipe->sspp->ops.setup_rects)
604                 pipe->sspp->ops.setup_rects(pipe, &pipe_cfg);
605
606         _dpu_plane_setup_scaler(pipe, fmt, true, &pipe_cfg, pstate->rotation);
607 }
608
609 /**
610  * _dpu_plane_color_fill - enables color fill on plane
611  * @pdpu:   Pointer to DPU plane object
612  * @color:  RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
613  * @alpha:  8-bit fill alpha value, 255 selects 100% alpha
614  */
615 static void _dpu_plane_color_fill(struct dpu_plane *pdpu,
616                 uint32_t color, uint32_t alpha)
617 {
618         const struct dpu_format *fmt;
619         const struct drm_plane *plane = &pdpu->base;
620         struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
621         u32 fill_color = (color & 0xFFFFFF) | ((alpha & 0xFF) << 24);
622
623         DPU_DEBUG_PLANE(pdpu, "\n");
624
625         /*
626          * select fill format to match user property expectation,
627          * h/w only supports RGB variants
628          */
629         fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
630         /* should not happen ever */
631         if (!fmt)
632                 return;
633
634         /* update sspp */
635         _dpu_plane_color_fill_pipe(pstate, &pstate->pipe, &pstate->pipe_cfg.dst_rect,
636                                    fill_color, fmt);
637
638         if (pstate->r_pipe.sspp)
639                 _dpu_plane_color_fill_pipe(pstate, &pstate->r_pipe, &pstate->r_pipe_cfg.dst_rect,
640                                            fill_color, fmt);
641 }
642
643 static int dpu_plane_prepare_fb(struct drm_plane *plane,
644                 struct drm_plane_state *new_state)
645 {
646         struct drm_framebuffer *fb = new_state->fb;
647         struct dpu_plane *pdpu = to_dpu_plane(plane);
648         struct dpu_plane_state *pstate = to_dpu_plane_state(new_state);
649         struct dpu_hw_fmt_layout layout;
650         struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
651         int ret;
652
653         if (!new_state->fb)
654                 return 0;
655
656         DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);
657
658         /* cache aspace */
659         pstate->aspace = kms->base.aspace;
660
661         /*
662          * TODO: Need to sort out the msm_framebuffer_prepare() call below so
663          *       we can use msm_atomic_prepare_fb() instead of doing the
664          *       implicit fence and fb prepare by hand here.
665          */
666         drm_gem_plane_helper_prepare_fb(plane, new_state);
667
668         if (pstate->aspace) {
669                 ret = msm_framebuffer_prepare(new_state->fb,
670                                 pstate->aspace, pstate->needs_dirtyfb);
671                 if (ret) {
672                         DPU_ERROR("failed to prepare framebuffer\n");
673                         return ret;
674                 }
675         }
676
677         /* validate framebuffer layout before commit */
678         ret = dpu_format_populate_layout(pstate->aspace,
679                         new_state->fb, &layout);
680         if (ret) {
681                 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
682                 return ret;
683         }
684
685         return 0;
686 }
687
688 static void dpu_plane_cleanup_fb(struct drm_plane *plane,
689                 struct drm_plane_state *old_state)
690 {
691         struct dpu_plane *pdpu = to_dpu_plane(plane);
692         struct dpu_plane_state *old_pstate;
693
694         if (!old_state || !old_state->fb)
695                 return;
696
697         old_pstate = to_dpu_plane_state(old_state);
698
699         DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id);
700
701         msm_framebuffer_cleanup(old_state->fb, old_pstate->aspace,
702                                 old_pstate->needs_dirtyfb);
703 }
704
705 static int dpu_plane_check_inline_rotation(struct dpu_plane *pdpu,
706                                                 const struct dpu_sspp_sub_blks *sblk,
707                                                 struct drm_rect src, const struct dpu_format *fmt)
708 {
709         size_t num_formats;
710         const u32 *supported_formats;
711
712         if (!sblk->rotation_cfg) {
713                 DPU_ERROR("invalid rotation cfg\n");
714                 return -EINVAL;
715         }
716
717         if (drm_rect_width(&src) > sblk->rotation_cfg->rot_maxheight) {
718                 DPU_DEBUG_PLANE(pdpu, "invalid height for inline rot:%d max:%d\n",
719                                 src.y2, sblk->rotation_cfg->rot_maxheight);
720                 return -EINVAL;
721         }
722
723         supported_formats = sblk->rotation_cfg->rot_format_list;
724         num_formats = sblk->rotation_cfg->rot_num_formats;
725
726         if (!DPU_FORMAT_IS_UBWC(fmt) ||
727                 !dpu_find_format(fmt->base.pixel_format, supported_formats, num_formats))
728                 return -EINVAL;
729
730         return 0;
731 }
732
733 static int dpu_plane_atomic_check_pipe(struct dpu_plane *pdpu,
734                 struct dpu_sw_pipe *pipe,
735                 struct dpu_sw_pipe_cfg *pipe_cfg,
736                 const struct dpu_format *fmt,
737                 const struct drm_display_mode *mode)
738 {
739         uint32_t min_src_size;
740         struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
741
742         min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1;
743
744         if (DPU_FORMAT_IS_YUV(fmt) &&
745             (!(pipe->sspp->cap->features & DPU_SSPP_SCALER) ||
746              !(pipe->sspp->cap->features & DPU_SSPP_CSC_ANY))) {
747                 DPU_DEBUG_PLANE(pdpu,
748                                 "plane doesn't have scaler/csc for yuv\n");
749                 return -EINVAL;
750         }
751
752         /* check src bounds */
753         if (drm_rect_width(&pipe_cfg->src_rect) < min_src_size ||
754             drm_rect_height(&pipe_cfg->src_rect) < min_src_size) {
755                 DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
756                                 DRM_RECT_ARG(&pipe_cfg->src_rect));
757                 return -E2BIG;
758         }
759
760         /* valid yuv image */
761         if (DPU_FORMAT_IS_YUV(fmt) &&
762             (pipe_cfg->src_rect.x1 & 0x1 ||
763              pipe_cfg->src_rect.y1 & 0x1 ||
764              drm_rect_width(&pipe_cfg->src_rect) & 0x1 ||
765              drm_rect_height(&pipe_cfg->src_rect) & 0x1)) {
766                 DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n",
767                                 DRM_RECT_ARG(&pipe_cfg->src_rect));
768                 return -EINVAL;
769         }
770
771         /* min dst support */
772         if (drm_rect_width(&pipe_cfg->dst_rect) < 0x1 ||
773             drm_rect_height(&pipe_cfg->dst_rect) < 0x1) {
774                 DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n",
775                                 DRM_RECT_ARG(&pipe_cfg->dst_rect));
776                 return -EINVAL;
777         }
778
779         /* max clk check */
780         if (_dpu_plane_calc_clk(mode, pipe_cfg) > kms->perf.max_core_clk_rate) {
781                 DPU_DEBUG_PLANE(pdpu, "plane exceeds max mdp core clk limits\n");
782                 return -E2BIG;
783         }
784
785         return 0;
786 }
787
788 static int dpu_plane_atomic_check(struct drm_plane *plane,
789                                   struct drm_atomic_state *state)
790 {
791         struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
792                                                                                  plane);
793         int ret = 0, min_scale;
794         struct dpu_plane *pdpu = to_dpu_plane(plane);
795         struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
796         struct dpu_sw_pipe *pipe = &pstate->pipe;
797         struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
798         const struct drm_crtc_state *crtc_state = NULL;
799         const struct dpu_format *fmt;
800         struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
801         struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
802         struct drm_rect fb_rect = { 0 };
803         uint32_t max_linewidth;
804         unsigned int rotation;
805         uint32_t supported_rotations;
806         const struct dpu_sspp_cfg *pipe_hw_caps = pstate->pipe.sspp->cap;
807         const struct dpu_sspp_sub_blks *sblk = pstate->pipe.sspp->cap->sblk;
808
809         if (new_plane_state->crtc)
810                 crtc_state = drm_atomic_get_new_crtc_state(state,
811                                                            new_plane_state->crtc);
812
813         min_scale = FRAC_16_16(1, sblk->maxupscale);
814         ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
815                                                   min_scale,
816                                                   sblk->maxdwnscale << 16,
817                                                   true, true);
818         if (ret) {
819                 DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
820                 return ret;
821         }
822         if (!new_plane_state->visible)
823                 return 0;
824
825         pipe->multirect_index = DPU_SSPP_RECT_SOLO;
826         pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
827         r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
828         r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
829         r_pipe->sspp = NULL;
830
831         pstate->stage = DPU_STAGE_0 + pstate->base.normalized_zpos;
832         if (pstate->stage >= pdpu->catalog->caps->max_mixer_blendstages) {
833                 DPU_ERROR("> %d plane stages assigned\n",
834                           pdpu->catalog->caps->max_mixer_blendstages - DPU_STAGE_0);
835                 return -EINVAL;
836         }
837
838         pipe_cfg->src_rect = new_plane_state->src;
839
840         /* state->src is 16.16, src_rect is not */
841         pipe_cfg->src_rect.x1 >>= 16;
842         pipe_cfg->src_rect.x2 >>= 16;
843         pipe_cfg->src_rect.y1 >>= 16;
844         pipe_cfg->src_rect.y2 >>= 16;
845
846         pipe_cfg->dst_rect = new_plane_state->dst;
847
848         fb_rect.x2 = new_plane_state->fb->width;
849         fb_rect.y2 = new_plane_state->fb->height;
850
851         /* Ensure fb size is supported */
852         if (drm_rect_width(&fb_rect) > MAX_IMG_WIDTH ||
853             drm_rect_height(&fb_rect) > MAX_IMG_HEIGHT) {
854                 DPU_DEBUG_PLANE(pdpu, "invalid framebuffer " DRM_RECT_FMT "\n",
855                                 DRM_RECT_ARG(&fb_rect));
856                 return -E2BIG;
857         }
858
859         fmt = to_dpu_format(msm_framebuffer_format(new_plane_state->fb));
860
861         max_linewidth = pdpu->catalog->caps->max_linewidth;
862
863         if (drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) {
864                 /*
865                  * In parallel multirect case only the half of the usual width
866                  * is supported for tiled formats. If we are here, we know that
867                  * full width is more than max_linewidth, thus each rect is
868                  * wider than allowed.
869                  */
870                 if (DPU_FORMAT_IS_UBWC(fmt)) {
871                         DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u, tiled format\n",
872                                         DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth);
873                         return -E2BIG;
874                 }
875
876                 if (drm_rect_width(&pipe_cfg->src_rect) > 2 * max_linewidth) {
877                         DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
878                                         DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth);
879                         return -E2BIG;
880                 }
881
882                 if (drm_rect_width(&pipe_cfg->src_rect) != drm_rect_width(&pipe_cfg->dst_rect) ||
883                     drm_rect_height(&pipe_cfg->src_rect) != drm_rect_height(&pipe_cfg->dst_rect) ||
884                     (!test_bit(DPU_SSPP_SMART_DMA_V1, &pipe->sspp->cap->features) &&
885                      !test_bit(DPU_SSPP_SMART_DMA_V2, &pipe->sspp->cap->features)) ||
886                     DPU_FORMAT_IS_YUV(fmt)) {
887                         DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u, can't use split source\n",
888                                         DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth);
889                         return -E2BIG;
890                 }
891
892                 /*
893                  * Use multirect for wide plane. We do not support dynamic
894                  * assignment of SSPPs, so we know the configuration.
895                  */
896                 pipe->multirect_index = DPU_SSPP_RECT_0;
897                 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
898
899                 r_pipe->sspp = pipe->sspp;
900                 r_pipe->multirect_index = DPU_SSPP_RECT_1;
901                 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
902
903                 *r_pipe_cfg = *pipe_cfg;
904                 pipe_cfg->src_rect.x2 = (pipe_cfg->src_rect.x1 + pipe_cfg->src_rect.x2) >> 1;
905                 pipe_cfg->dst_rect.x2 = (pipe_cfg->dst_rect.x1 + pipe_cfg->dst_rect.x2) >> 1;
906                 r_pipe_cfg->src_rect.x1 = pipe_cfg->src_rect.x2;
907                 r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2;
908         }
909
910         ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg, fmt, &crtc_state->adjusted_mode);
911         if (ret)
912                 return ret;
913
914         if (r_pipe->sspp) {
915                 ret = dpu_plane_atomic_check_pipe(pdpu, r_pipe, r_pipe_cfg, fmt,
916                                                   &crtc_state->adjusted_mode);
917                 if (ret)
918                         return ret;
919         }
920
921         supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0;
922
923         if (pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION))
924                 supported_rotations |= DRM_MODE_ROTATE_90;
925
926         rotation = drm_rotation_simplify(new_plane_state->rotation,
927                                         supported_rotations);
928
929         if ((pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION)) &&
930                 (rotation & DRM_MODE_ROTATE_90)) {
931                 ret = dpu_plane_check_inline_rotation(pdpu, sblk, pipe_cfg->src_rect, fmt);
932                 if (ret)
933                         return ret;
934         }
935
936         pstate->rotation = rotation;
937         pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state);
938
939         return 0;
940 }
941
942 static void dpu_plane_flush_csc(struct dpu_plane *pdpu, struct dpu_sw_pipe *pipe)
943 {
944         const struct dpu_format *format =
945                 to_dpu_format(msm_framebuffer_format(pdpu->base.state->fb));
946         const struct dpu_csc_cfg *csc_ptr;
947
948         if (!pipe->sspp || !pipe->sspp->ops.setup_csc)
949                 return;
950
951         csc_ptr = _dpu_plane_get_csc(pipe, format);
952         if (!csc_ptr)
953                 return;
954
955         DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
956                         csc_ptr->csc_mv[0],
957                         csc_ptr->csc_mv[1],
958                         csc_ptr->csc_mv[2]);
959
960         pipe->sspp->ops.setup_csc(pipe->sspp, csc_ptr);
961
962 }
963
964 void dpu_plane_flush(struct drm_plane *plane)
965 {
966         struct dpu_plane *pdpu;
967         struct dpu_plane_state *pstate;
968
969         if (!plane || !plane->state) {
970                 DPU_ERROR("invalid plane\n");
971                 return;
972         }
973
974         pdpu = to_dpu_plane(plane);
975         pstate = to_dpu_plane_state(plane->state);
976
977         /*
978          * These updates have to be done immediately before the plane flush
979          * timing, and may not be moved to the atomic_update/mode_set functions.
980          */
981         if (pdpu->is_error)
982                 /* force white frame with 100% alpha pipe output on error */
983                 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
984         else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
985                 /* force 100% alpha */
986                 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
987         else {
988                 dpu_plane_flush_csc(pdpu, &pstate->pipe);
989                 dpu_plane_flush_csc(pdpu, &pstate->r_pipe);
990         }
991
992         /* flag h/w flush complete */
993         if (plane->state)
994                 pstate->pending = false;
995 }
996
997 /**
998  * dpu_plane_set_error: enable/disable error condition
999  * @plane: pointer to drm_plane structure
1000  * @error: error value to set
1001  */
1002 void dpu_plane_set_error(struct drm_plane *plane, bool error)
1003 {
1004         struct dpu_plane *pdpu;
1005
1006         if (!plane)
1007                 return;
1008
1009         pdpu = to_dpu_plane(plane);
1010         pdpu->is_error = error;
1011 }
1012
1013 static void dpu_plane_sspp_update_pipe(struct drm_plane *plane,
1014                                        struct dpu_sw_pipe *pipe,
1015                                        struct dpu_sw_pipe_cfg *pipe_cfg,
1016                                        const struct dpu_format *fmt,
1017                                        int frame_rate,
1018                                        struct dpu_hw_fmt_layout *layout)
1019 {
1020         uint32_t src_flags;
1021         struct dpu_plane *pdpu = to_dpu_plane(plane);
1022         struct drm_plane_state *state = plane->state;
1023         struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1024
1025         if (layout && pipe->sspp->ops.setup_sourceaddress) {
1026                 trace_dpu_plane_set_scanout(pipe, layout);
1027                 pipe->sspp->ops.setup_sourceaddress(pipe, layout);
1028         }
1029
1030         /* override for color fill */
1031         if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
1032                 _dpu_plane_set_qos_ctrl(plane, pipe, false);
1033
1034                 /* skip remaining processing on color fill */
1035                 return;
1036         }
1037
1038         if (pipe->sspp->ops.setup_rects) {
1039                 pipe->sspp->ops.setup_rects(pipe,
1040                                 pipe_cfg);
1041         }
1042
1043         _dpu_plane_setup_scaler(pipe, fmt, false, pipe_cfg, pstate->rotation);
1044
1045         if (pipe->sspp->ops.setup_multirect)
1046                 pipe->sspp->ops.setup_multirect(
1047                                 pipe);
1048
1049         if (pipe->sspp->ops.setup_format) {
1050                 unsigned int rotation = pstate->rotation;
1051
1052                 src_flags = 0x0;
1053
1054                 if (rotation & DRM_MODE_REFLECT_X)
1055                         src_flags |= DPU_SSPP_FLIP_LR;
1056
1057                 if (rotation & DRM_MODE_REFLECT_Y)
1058                         src_flags |= DPU_SSPP_FLIP_UD;
1059
1060                 if (rotation & DRM_MODE_ROTATE_90)
1061                         src_flags |= DPU_SSPP_ROT_90;
1062
1063                 /* update format */
1064                 pipe->sspp->ops.setup_format(pipe, fmt, src_flags);
1065
1066                 if (pipe->sspp->ops.setup_cdp) {
1067                         const struct dpu_perf_cfg *perf = pdpu->catalog->perf;
1068
1069                         pipe->sspp->ops.setup_cdp(pipe, fmt,
1070                                                   perf->cdp_cfg[DPU_PERF_CDP_USAGE_RT].rd_enable);
1071                 }
1072         }
1073
1074         _dpu_plane_set_qos_lut(plane, pipe, fmt, pipe_cfg);
1075
1076         if (pipe->sspp->idx != SSPP_CURSOR0 &&
1077             pipe->sspp->idx != SSPP_CURSOR1)
1078                 _dpu_plane_set_ot_limit(plane, pipe, pipe_cfg, frame_rate);
1079
1080         if (pstate->needs_qos_remap)
1081                 _dpu_plane_set_qos_remap(plane, pipe);
1082 }
1083
1084 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
1085 {
1086         struct dpu_plane *pdpu = to_dpu_plane(plane);
1087         struct drm_plane_state *state = plane->state;
1088         struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1089         struct dpu_sw_pipe *pipe = &pstate->pipe;
1090         struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1091         struct drm_crtc *crtc = state->crtc;
1092         struct drm_framebuffer *fb = state->fb;
1093         bool is_rt_pipe;
1094         const struct dpu_format *fmt =
1095                 to_dpu_format(msm_framebuffer_format(fb));
1096         struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
1097         struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
1098         struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
1099         struct msm_gem_address_space *aspace = kms->base.aspace;
1100         struct dpu_hw_fmt_layout layout;
1101         bool layout_valid = false;
1102         int ret;
1103
1104         ret = dpu_format_populate_layout(aspace, fb, &layout);
1105         if (ret)
1106                 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
1107         else
1108                 layout_valid = true;
1109
1110         pstate->pending = true;
1111
1112         is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
1113         pstate->needs_qos_remap |= (is_rt_pipe != pdpu->is_rt_pipe);
1114         pdpu->is_rt_pipe = is_rt_pipe;
1115
1116         DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
1117                         ", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
1118                         crtc->base.id, DRM_RECT_ARG(&state->dst),
1119                         (char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt));
1120
1121         dpu_plane_sspp_update_pipe(plane, pipe, pipe_cfg, fmt,
1122                                    drm_mode_vrefresh(&crtc->mode),
1123                                    layout_valid ? &layout : NULL);
1124
1125         if (r_pipe->sspp) {
1126                 dpu_plane_sspp_update_pipe(plane, r_pipe, r_pipe_cfg, fmt,
1127                                            drm_mode_vrefresh(&crtc->mode),
1128                                            layout_valid ? &layout : NULL);
1129         }
1130
1131         if (pstate->needs_qos_remap)
1132                 pstate->needs_qos_remap = false;
1133
1134         pstate->plane_fetch_bw = _dpu_plane_calc_bw(pdpu->catalog, fmt,
1135                                                     &crtc->mode, pipe_cfg);
1136
1137         pstate->plane_clk = _dpu_plane_calc_clk(&crtc->mode, pipe_cfg);
1138
1139         if (r_pipe->sspp) {
1140                 pstate->plane_fetch_bw += _dpu_plane_calc_bw(pdpu->catalog, fmt, &crtc->mode, r_pipe_cfg);
1141
1142                 pstate->plane_clk = max(pstate->plane_clk, _dpu_plane_calc_clk(&crtc->mode, r_pipe_cfg));
1143         }
1144 }
1145
1146 static void _dpu_plane_atomic_disable(struct drm_plane *plane)
1147 {
1148         struct drm_plane_state *state = plane->state;
1149         struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1150         struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1151
1152         trace_dpu_plane_disable(DRMID(plane), false,
1153                                 pstate->pipe.multirect_mode);
1154
1155         if (r_pipe->sspp) {
1156                 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1157                 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1158
1159                 if (r_pipe->sspp->ops.setup_multirect)
1160                         r_pipe->sspp->ops.setup_multirect(r_pipe);
1161         }
1162
1163         pstate->pending = true;
1164 }
1165
1166 static void dpu_plane_atomic_update(struct drm_plane *plane,
1167                                 struct drm_atomic_state *state)
1168 {
1169         struct dpu_plane *pdpu = to_dpu_plane(plane);
1170         struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
1171                                                                            plane);
1172
1173         pdpu->is_error = false;
1174
1175         DPU_DEBUG_PLANE(pdpu, "\n");
1176
1177         if (!new_state->visible) {
1178                 _dpu_plane_atomic_disable(plane);
1179         } else {
1180                 dpu_plane_sspp_atomic_update(plane);
1181         }
1182 }
1183
1184 static void dpu_plane_destroy(struct drm_plane *plane)
1185 {
1186         struct dpu_plane *pdpu = plane ? to_dpu_plane(plane) : NULL;
1187         struct dpu_plane_state *pstate;
1188
1189         DPU_DEBUG_PLANE(pdpu, "\n");
1190
1191         if (pdpu) {
1192                 pstate = to_dpu_plane_state(plane->state);
1193                 _dpu_plane_set_qos_ctrl(plane, &pstate->pipe, false);
1194
1195                 if (pstate->r_pipe.sspp)
1196                         _dpu_plane_set_qos_ctrl(plane, &pstate->r_pipe, false);
1197
1198                 mutex_destroy(&pdpu->lock);
1199
1200                 /* this will destroy the states as well */
1201                 drm_plane_cleanup(plane);
1202
1203                 kfree(pdpu);
1204         }
1205 }
1206
1207 static void dpu_plane_destroy_state(struct drm_plane *plane,
1208                 struct drm_plane_state *state)
1209 {
1210         __drm_atomic_helper_plane_destroy_state(state);
1211         kfree(to_dpu_plane_state(state));
1212 }
1213
1214 static struct drm_plane_state *
1215 dpu_plane_duplicate_state(struct drm_plane *plane)
1216 {
1217         struct dpu_plane *pdpu;
1218         struct dpu_plane_state *pstate;
1219         struct dpu_plane_state *old_state;
1220
1221         if (!plane) {
1222                 DPU_ERROR("invalid plane\n");
1223                 return NULL;
1224         } else if (!plane->state) {
1225                 DPU_ERROR("invalid plane state\n");
1226                 return NULL;
1227         }
1228
1229         old_state = to_dpu_plane_state(plane->state);
1230         pdpu = to_dpu_plane(plane);
1231         pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
1232         if (!pstate) {
1233                 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1234                 return NULL;
1235         }
1236
1237         DPU_DEBUG_PLANE(pdpu, "\n");
1238
1239         pstate->pending = false;
1240
1241         __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base);
1242
1243         return &pstate->base;
1244 }
1245
1246 static const char * const multirect_mode_name[] = {
1247         [DPU_SSPP_MULTIRECT_NONE] = "none",
1248         [DPU_SSPP_MULTIRECT_PARALLEL] = "parallel",
1249         [DPU_SSPP_MULTIRECT_TIME_MX] = "time_mx",
1250 };
1251
1252 static const char * const multirect_index_name[] = {
1253         [DPU_SSPP_RECT_SOLO] = "solo",
1254         [DPU_SSPP_RECT_0] = "rect_0",
1255         [DPU_SSPP_RECT_1] = "rect_1",
1256 };
1257
1258 static const char *dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)
1259 {
1260         if (WARN_ON(mode >= ARRAY_SIZE(multirect_mode_name)))
1261                 return "unknown";
1262
1263         return multirect_mode_name[mode];
1264 }
1265
1266 static const char *dpu_get_multirect_index(enum dpu_sspp_multirect_index index)
1267 {
1268         if (WARN_ON(index >= ARRAY_SIZE(multirect_index_name)))
1269                 return "unknown";
1270
1271         return multirect_index_name[index];
1272 }
1273
1274 static void dpu_plane_atomic_print_state(struct drm_printer *p,
1275                 const struct drm_plane_state *state)
1276 {
1277         const struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1278         const struct dpu_sw_pipe *pipe = &pstate->pipe;
1279         const struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
1280         const struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1281         const struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
1282
1283         drm_printf(p, "\tstage=%d\n", pstate->stage);
1284
1285         drm_printf(p, "\tsspp[0]=%s\n", pipe->sspp->cap->name);
1286         drm_printf(p, "\tmultirect_mode[0]=%s\n", dpu_get_multirect_mode(pipe->multirect_mode));
1287         drm_printf(p, "\tmultirect_index[0]=%s\n",
1288                    dpu_get_multirect_index(pipe->multirect_index));
1289         drm_printf(p, "\tsrc[0]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&pipe_cfg->src_rect));
1290         drm_printf(p, "\tdst[0]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&pipe_cfg->dst_rect));
1291
1292         if (r_pipe->sspp) {
1293                 drm_printf(p, "\tsspp[1]=%s\n", r_pipe->sspp->cap->name);
1294                 drm_printf(p, "\tmultirect_mode[1]=%s\n",
1295                            dpu_get_multirect_mode(r_pipe->multirect_mode));
1296                 drm_printf(p, "\tmultirect_index[1]=%s\n",
1297                            dpu_get_multirect_index(r_pipe->multirect_index));
1298                 drm_printf(p, "\tsrc[1]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&r_pipe_cfg->src_rect));
1299                 drm_printf(p, "\tdst[1]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&r_pipe_cfg->dst_rect));
1300         }
1301 }
1302
1303 static void dpu_plane_reset(struct drm_plane *plane)
1304 {
1305         struct dpu_plane *pdpu;
1306         struct dpu_plane_state *pstate;
1307         struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1308
1309         if (!plane) {
1310                 DPU_ERROR("invalid plane\n");
1311                 return;
1312         }
1313
1314         pdpu = to_dpu_plane(plane);
1315         DPU_DEBUG_PLANE(pdpu, "\n");
1316
1317         /* remove previous state, if present */
1318         if (plane->state) {
1319                 dpu_plane_destroy_state(plane, plane->state);
1320                 plane->state = NULL;
1321         }
1322
1323         pstate = kzalloc(sizeof(*pstate), GFP_KERNEL);
1324         if (!pstate) {
1325                 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1326                 return;
1327         }
1328
1329         /*
1330          * Set the SSPP here until we have proper virtualized DPU planes.
1331          * This is the place where the state is allocated, so fill it fully.
1332          */
1333         pstate->pipe.sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe);
1334         pstate->pipe.multirect_index = DPU_SSPP_RECT_SOLO;
1335         pstate->pipe.multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1336
1337         pstate->r_pipe.sspp = NULL;
1338
1339         __drm_atomic_helper_plane_reset(plane, &pstate->base);
1340 }
1341
1342 #ifdef CONFIG_DEBUG_FS
1343 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
1344 {
1345         struct dpu_plane *pdpu = to_dpu_plane(plane);
1346         struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
1347         struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1348
1349         if (!pdpu->is_rt_pipe)
1350                 return;
1351
1352         pm_runtime_get_sync(&dpu_kms->pdev->dev);
1353         _dpu_plane_set_qos_ctrl(plane, &pstate->pipe, enable);
1354         if (pstate->r_pipe.sspp)
1355                 _dpu_plane_set_qos_ctrl(plane, &pstate->r_pipe, enable);
1356         pm_runtime_put_sync(&dpu_kms->pdev->dev);
1357 }
1358 #endif
1359
1360 static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
1361                 uint32_t format, uint64_t modifier)
1362 {
1363         if (modifier == DRM_FORMAT_MOD_LINEAR)
1364                 return true;
1365
1366         if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED)
1367                 return dpu_find_format(format, qcom_compressed_supported_formats,
1368                                 ARRAY_SIZE(qcom_compressed_supported_formats));
1369
1370         return false;
1371 }
1372
1373 static const struct drm_plane_funcs dpu_plane_funcs = {
1374                 .update_plane = drm_atomic_helper_update_plane,
1375                 .disable_plane = drm_atomic_helper_disable_plane,
1376                 .destroy = dpu_plane_destroy,
1377                 .reset = dpu_plane_reset,
1378                 .atomic_duplicate_state = dpu_plane_duplicate_state,
1379                 .atomic_destroy_state = dpu_plane_destroy_state,
1380                 .atomic_print_state = dpu_plane_atomic_print_state,
1381                 .format_mod_supported = dpu_plane_format_mod_supported,
1382 };
1383
1384 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
1385                 .prepare_fb = dpu_plane_prepare_fb,
1386                 .cleanup_fb = dpu_plane_cleanup_fb,
1387                 .atomic_check = dpu_plane_atomic_check,
1388                 .atomic_update = dpu_plane_atomic_update,
1389 };
1390
1391 /* initialize plane */
1392 struct drm_plane *dpu_plane_init(struct drm_device *dev,
1393                 uint32_t pipe, enum drm_plane_type type,
1394                 unsigned long possible_crtcs)
1395 {
1396         struct drm_plane *plane = NULL;
1397         const uint32_t *format_list;
1398         struct dpu_plane *pdpu;
1399         struct msm_drm_private *priv = dev->dev_private;
1400         struct dpu_kms *kms = to_dpu_kms(priv->kms);
1401         struct dpu_hw_sspp *pipe_hw;
1402         uint32_t num_formats;
1403         uint32_t supported_rotations;
1404         int ret = -EINVAL;
1405
1406         /* create and zero local structure */
1407         pdpu = kzalloc(sizeof(*pdpu), GFP_KERNEL);
1408         if (!pdpu) {
1409                 DPU_ERROR("[%u]failed to allocate local plane struct\n", pipe);
1410                 ret = -ENOMEM;
1411                 return ERR_PTR(ret);
1412         }
1413
1414         /* cache local stuff for later */
1415         plane = &pdpu->base;
1416         pdpu->pipe = pipe;
1417
1418         /* initialize underlying h/w driver */
1419         pipe_hw = dpu_rm_get_sspp(&kms->rm, pipe);
1420         if (!pipe_hw || !pipe_hw->cap || !pipe_hw->cap->sblk) {
1421                 DPU_ERROR("[%u]SSPP is invalid\n", pipe);
1422                 goto clean_plane;
1423         }
1424
1425         format_list = pipe_hw->cap->sblk->format_list;
1426         num_formats = pipe_hw->cap->sblk->num_formats;
1427
1428         ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs,
1429                                 format_list, num_formats,
1430                                 supported_format_modifiers, type, NULL);
1431         if (ret)
1432                 goto clean_plane;
1433
1434         pdpu->catalog = kms->catalog;
1435
1436         ret = drm_plane_create_zpos_property(plane, 0, 0, DPU_ZPOS_MAX);
1437         if (ret)
1438                 DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
1439
1440         drm_plane_create_alpha_property(plane);
1441         drm_plane_create_blend_mode_property(plane,
1442                         BIT(DRM_MODE_BLEND_PIXEL_NONE) |
1443                         BIT(DRM_MODE_BLEND_PREMULTI) |
1444                         BIT(DRM_MODE_BLEND_COVERAGE));
1445
1446         supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
1447
1448         if (pipe_hw->cap->features & BIT(DPU_SSPP_INLINE_ROTATION))
1449                 supported_rotations |= DRM_MODE_ROTATE_MASK;
1450
1451         drm_plane_create_rotation_property(plane,
1452                     DRM_MODE_ROTATE_0, supported_rotations);
1453
1454         drm_plane_enable_fb_damage_clips(plane);
1455
1456         /* success! finalize initialization */
1457         drm_plane_helper_add(plane, &dpu_plane_helper_funcs);
1458
1459         mutex_init(&pdpu->lock);
1460
1461         DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
1462                                         pipe, plane->base.id);
1463         return plane;
1464
1465 clean_plane:
1466         kfree(pdpu);
1467         return ERR_PTR(ret);
1468 }