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 <linux/soc/qcom/ubwc.h>
21
22 #include "msm_drv.h"
23 #include "dpu_kms.h"
24 #include "dpu_hw_sspp.h"
25 #include "dpu_hw_util.h"
26 #include "dpu_trace.h"
27 #include "dpu_crtc.h"
28 #include "dpu_vbif.h"
29 #include "dpu_plane.h"
30
31 #define DPU_DEBUG_PLANE(pl, fmt, ...) DRM_DEBUG_ATOMIC("plane%d " fmt,\
32 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
33
34 #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\
35 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
36
37 #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci))
38 #define PHASE_STEP_SHIFT 21
39 #define PHASE_STEP_UNIT_SCALE ((int) (1 << PHASE_STEP_SHIFT))
40 #define PHASE_RESIDUAL 15
41
42 #define SHARP_STRENGTH_DEFAULT 32
43 #define SHARP_EDGE_THR_DEFAULT 112
44 #define SHARP_SMOOTH_THR_DEFAULT 8
45 #define SHARP_NOISE_THR_DEFAULT 2
46
47 #define DPU_PLANE_COLOR_FILL_FLAG BIT(31)
48 #define DPU_ZPOS_MAX 255
49
50 /*
51 * Default Preload Values
52 */
53 #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4
54 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3
55 #define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2
56 #define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4
57
58 #define DEFAULT_REFRESH_RATE 60
59
60 static const uint32_t qcom_compressed_supported_formats[] = {
61 DRM_FORMAT_ABGR8888,
62 DRM_FORMAT_ARGB8888,
63 DRM_FORMAT_XBGR8888,
64 DRM_FORMAT_XRGB8888,
65 DRM_FORMAT_ARGB2101010,
66 DRM_FORMAT_XRGB2101010,
67 DRM_FORMAT_BGR565,
68
69 DRM_FORMAT_NV12,
70 DRM_FORMAT_P010,
71 };
72
73 /*
74 * struct dpu_plane - local dpu plane structure
75 * @vm: address space pointer
76 * @csc_ptr: Points to dpu_csc_cfg structure to use for current
77 * @catalog: Points to dpu catalog structure
78 * @revalidate: force revalidation of all the plane properties
79 */
80 struct dpu_plane {
81 struct drm_plane base;
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
_dpu_plane_get_kms(struct drm_plane * plane)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 */
_dpu_plane_calc_bw(const struct dpu_mdss_cfg * catalog,const struct msm_format * fmt,const struct drm_display_mode * mode,struct dpu_sw_pipe_cfg * pipe_cfg)116 static u64 _dpu_plane_calc_bw(const struct dpu_mdss_cfg *catalog,
117 const struct msm_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 */
_dpu_plane_calc_clk(const struct drm_display_mode * mode,struct dpu_sw_pipe_cfg * pipe_cfg)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 */
_dpu_plane_calc_fill_level(struct drm_plane * plane,struct dpu_sw_pipe * pipe,enum dpu_qos_lut_usage lut_usage,const struct msm_format * fmt,u32 src_width)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 msm_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_type == MDP_PLANE_PSEUDO_PLANAR) {
219 if (fmt->chroma_sample == 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: %p4cc w:%u fl:%u\n",
239 pipe->sspp->idx - SSPP_VIG0,
240 &fmt->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 */
_dpu_plane_set_qos_lut(struct drm_plane * plane,struct dpu_sw_pipe * pipe,const struct msm_format * fmt,struct dpu_sw_pipe_cfg * pipe_cfg)253 static void _dpu_plane_set_qos_lut(struct drm_plane *plane,
254 struct dpu_sw_pipe *pipe,
255 const struct msm_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 && MSM_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->pixel_format : 0,
289 pdpu->is_rt_pipe, total_fl, cfg.creq_lut, lut_usage);
290
291 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc rt:%d fl:%u lut:0x%llx\n",
292 pdpu->pipe - SSPP_VIG0,
293 fmt ? &fmt->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->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: %p4cc mode:%d luts[0x%x, 0x%x]\n",
303 pdpu->pipe - SSPP_VIG0,
304 fmt ? &fmt->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 */
_dpu_plane_set_qos_ctrl(struct drm_plane * plane,struct dpu_sw_pipe * pipe,bool enable)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
_dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp * sspp,struct dpu_hw_mdp * mdp,bool enable,bool * forced_on)336 static bool _dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp *sspp,
337 struct dpu_hw_mdp *mdp,
338 bool enable, bool *forced_on)
339 {
340 if (sspp->ops.setup_clk_force_ctrl) {
341 *forced_on = sspp->ops.setup_clk_force_ctrl(sspp, enable);
342 return true;
343 }
344
345 if (mdp->ops.setup_clk_force_ctrl) {
346 *forced_on = mdp->ops.setup_clk_force_ctrl(mdp, sspp->cap->clk_ctrl, enable);
347 return true;
348 }
349
350 return false;
351 }
352
353 /**
354 * _dpu_plane_set_ot_limit - set OT limit for the given plane
355 * @plane: Pointer to drm plane
356 * @pipe: Pointer to software pipe
357 * @pipe_cfg: Pointer to pipe configuration
358 * @frame_rate: CRTC's frame rate
359 */
_dpu_plane_set_ot_limit(struct drm_plane * plane,struct dpu_sw_pipe * pipe,struct dpu_sw_pipe_cfg * pipe_cfg,int frame_rate)360 static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
361 struct dpu_sw_pipe *pipe,
362 struct dpu_sw_pipe_cfg *pipe_cfg,
363 int frame_rate)
364 {
365 struct dpu_plane *pdpu = to_dpu_plane(plane);
366 struct dpu_vbif_set_ot_params ot_params;
367 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
368 bool forced_on = false;
369
370 memset(&ot_params, 0, sizeof(ot_params));
371 ot_params.xin_id = pipe->sspp->cap->xin_id;
372 ot_params.num = pipe->sspp->idx - SSPP_NONE;
373 ot_params.width = drm_rect_width(&pipe_cfg->src_rect);
374 ot_params.height = drm_rect_height(&pipe_cfg->src_rect);
375 ot_params.is_wfd = !pdpu->is_rt_pipe;
376 ot_params.frame_rate = frame_rate;
377 ot_params.vbif_idx = VBIF_RT;
378 ot_params.rd = true;
379
380 if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
381 true, &forced_on))
382 return;
383
384 dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
385
386 if (forced_on)
387 _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
388 false, &forced_on);
389 }
390
391 /**
392 * _dpu_plane_set_qos_remap - set vbif QoS for the given plane
393 * @plane: Pointer to drm plane
394 * @pipe: Pointer to software pipe
395 */
_dpu_plane_set_qos_remap(struct drm_plane * plane,struct dpu_sw_pipe * pipe)396 static void _dpu_plane_set_qos_remap(struct drm_plane *plane,
397 struct dpu_sw_pipe *pipe)
398 {
399 struct dpu_plane *pdpu = to_dpu_plane(plane);
400 struct dpu_vbif_set_qos_params qos_params;
401 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
402 bool forced_on = false;
403
404 memset(&qos_params, 0, sizeof(qos_params));
405 qos_params.vbif_idx = VBIF_RT;
406 qos_params.xin_id = pipe->sspp->cap->xin_id;
407 qos_params.num = pipe->sspp->idx - SSPP_VIG0;
408 qos_params.is_rt = pdpu->is_rt_pipe;
409
410 DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d\n",
411 qos_params.num,
412 qos_params.vbif_idx,
413 qos_params.xin_id, qos_params.is_rt);
414
415 if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
416 true, &forced_on))
417 return;
418
419 dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
420
421 if (forced_on)
422 _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
423 false, &forced_on);
424 }
425
_dpu_plane_setup_scaler3(struct dpu_hw_sspp * pipe_hw,uint32_t src_w,uint32_t src_h,uint32_t dst_w,uint32_t dst_h,struct dpu_hw_scaler3_cfg * scale_cfg,const struct msm_format * fmt,uint32_t chroma_subsmpl_h,uint32_t chroma_subsmpl_v,unsigned int rotation)426 static void _dpu_plane_setup_scaler3(struct dpu_hw_sspp *pipe_hw,
427 uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h,
428 struct dpu_hw_scaler3_cfg *scale_cfg,
429 const struct msm_format *fmt,
430 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v,
431 unsigned int rotation)
432 {
433 uint32_t i;
434 bool inline_rotation = rotation & DRM_MODE_ROTATE_90;
435
436 /*
437 * For inline rotation cases, scaler config is post-rotation,
438 * so swap the dimensions here. However, pixel extension will
439 * need pre-rotation settings.
440 */
441 if (inline_rotation)
442 swap(src_w, src_h);
443
444 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] =
445 mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w);
446 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] =
447 mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h);
448
449
450 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] =
451 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v;
452 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] =
453 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h;
454
455 scale_cfg->phase_step_x[DPU_SSPP_COMP_2] =
456 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2];
457 scale_cfg->phase_step_y[DPU_SSPP_COMP_2] =
458 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2];
459
460 scale_cfg->phase_step_x[DPU_SSPP_COMP_3] =
461 scale_cfg->phase_step_x[DPU_SSPP_COMP_0];
462 scale_cfg->phase_step_y[DPU_SSPP_COMP_3] =
463 scale_cfg->phase_step_y[DPU_SSPP_COMP_0];
464
465 for (i = 0; i < DPU_MAX_PLANES; i++) {
466 scale_cfg->src_width[i] = src_w;
467 scale_cfg->src_height[i] = src_h;
468 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
469 scale_cfg->src_width[i] /= chroma_subsmpl_h;
470 scale_cfg->src_height[i] /= chroma_subsmpl_v;
471 }
472
473 if (pipe_hw->cap->sblk->scaler_blk.version >= 0x3000) {
474 scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H;
475 scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V;
476 } else {
477 scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H;
478 scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V;
479 }
480 }
481 if (!(MSM_FORMAT_IS_YUV(fmt)) && (src_h == dst_h)
482 && (src_w == dst_w))
483 return;
484
485 scale_cfg->dst_width = dst_w;
486 scale_cfg->dst_height = dst_h;
487 scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL;
488 scale_cfg->uv_filter_cfg = DPU_SCALE_BIL;
489 scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL;
490 scale_cfg->lut_flag = 0;
491 scale_cfg->blend_cfg = 1;
492 scale_cfg->enable = 1;
493 }
494
_dpu_plane_setup_pixel_ext(struct dpu_hw_scaler3_cfg * scale_cfg,struct dpu_hw_pixel_ext * pixel_ext,uint32_t src_w,uint32_t src_h,uint32_t chroma_subsmpl_h,uint32_t chroma_subsmpl_v)495 static void _dpu_plane_setup_pixel_ext(struct dpu_hw_scaler3_cfg *scale_cfg,
496 struct dpu_hw_pixel_ext *pixel_ext,
497 uint32_t src_w, uint32_t src_h,
498 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
499 {
500 int i;
501
502 for (i = 0; i < DPU_MAX_PLANES; i++) {
503 uint32_t w = src_w, h = src_h;
504
505 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
506 w /= chroma_subsmpl_h;
507 h /= chroma_subsmpl_v;
508 }
509
510 pixel_ext->num_ext_pxls_top[i] = h;
511 pixel_ext->num_ext_pxls_left[i] = w;
512 }
513 }
514
_dpu_plane_get_csc(struct dpu_sw_pipe * pipe,const struct msm_format * fmt)515 static const struct dpu_csc_cfg *_dpu_plane_get_csc(struct dpu_sw_pipe *pipe,
516 const struct msm_format *fmt)
517 {
518 const struct dpu_csc_cfg *csc_ptr;
519
520 if (!MSM_FORMAT_IS_YUV(fmt))
521 return NULL;
522
523 if (BIT(DPU_SSPP_CSC_10BIT) & pipe->sspp->cap->features)
524 csc_ptr = &dpu_csc10_YUV2RGB_601L;
525 else
526 csc_ptr = &dpu_csc_YUV2RGB_601L;
527
528 return csc_ptr;
529 }
530
_dpu_plane_setup_scaler(struct dpu_sw_pipe * pipe,const struct msm_format * fmt,bool color_fill,struct dpu_sw_pipe_cfg * pipe_cfg)531 static void _dpu_plane_setup_scaler(struct dpu_sw_pipe *pipe,
532 const struct msm_format *fmt, bool color_fill,
533 struct dpu_sw_pipe_cfg *pipe_cfg)
534 {
535 struct dpu_hw_sspp *pipe_hw = pipe->sspp;
536 const struct drm_format_info *info = drm_format_info(fmt->pixel_format);
537 struct dpu_hw_scaler3_cfg scaler3_cfg;
538 struct dpu_hw_pixel_ext pixel_ext;
539 u32 src_width = drm_rect_width(&pipe_cfg->src_rect);
540 u32 src_height = drm_rect_height(&pipe_cfg->src_rect);
541 u32 dst_width = drm_rect_width(&pipe_cfg->dst_rect);
542 u32 dst_height = drm_rect_height(&pipe_cfg->dst_rect);
543
544 memset(&scaler3_cfg, 0, sizeof(scaler3_cfg));
545 memset(&pixel_ext, 0, sizeof(pixel_ext));
546
547 /* don't chroma subsample if decimating */
548 /* update scaler. calculate default config for QSEED3 */
549 _dpu_plane_setup_scaler3(pipe_hw,
550 src_width,
551 src_height,
552 dst_width,
553 dst_height,
554 &scaler3_cfg, fmt,
555 info->hsub, info->vsub,
556 pipe_cfg->rotation);
557
558 /* configure pixel extension based on scalar config */
559 _dpu_plane_setup_pixel_ext(&scaler3_cfg, &pixel_ext,
560 src_width, src_height, info->hsub, info->vsub);
561
562 if (pipe_hw->ops.setup_pe)
563 pipe_hw->ops.setup_pe(pipe_hw,
564 &pixel_ext);
565
566 /**
567 * when programmed in multirect mode, scalar block will be
568 * bypassed. Still we need to update alpha and bitwidth
569 * ONLY for RECT0
570 */
571 if (pipe_hw->ops.setup_scaler &&
572 pipe->multirect_index != DPU_SSPP_RECT_1)
573 pipe_hw->ops.setup_scaler(pipe_hw,
574 &scaler3_cfg,
575 fmt);
576 }
577
_dpu_plane_color_fill_pipe(struct dpu_plane_state * pstate,struct dpu_sw_pipe * pipe,struct drm_rect * dst_rect,u32 fill_color,const struct msm_format * fmt)578 static void _dpu_plane_color_fill_pipe(struct dpu_plane_state *pstate,
579 struct dpu_sw_pipe *pipe,
580 struct drm_rect *dst_rect,
581 u32 fill_color,
582 const struct msm_format *fmt)
583 {
584 struct dpu_sw_pipe_cfg pipe_cfg;
585
586 /* update sspp */
587 if (!pipe->sspp->ops.setup_solidfill)
588 return;
589
590 pipe->sspp->ops.setup_solidfill(pipe, fill_color);
591
592 /* override scaler/decimation if solid fill */
593 pipe_cfg.dst_rect = *dst_rect;
594
595 pipe_cfg.src_rect.x1 = 0;
596 pipe_cfg.src_rect.y1 = 0;
597 pipe_cfg.src_rect.x2 =
598 drm_rect_width(&pipe_cfg.dst_rect);
599 pipe_cfg.src_rect.y2 =
600 drm_rect_height(&pipe_cfg.dst_rect);
601
602 if (pipe->sspp->ops.setup_format)
603 pipe->sspp->ops.setup_format(pipe, fmt, DPU_SSPP_SOLID_FILL);
604
605 if (pipe->sspp->ops.setup_rects)
606 pipe->sspp->ops.setup_rects(pipe, &pipe_cfg);
607
608 _dpu_plane_setup_scaler(pipe, fmt, true, &pipe_cfg);
609 }
610
611 /**
612 * _dpu_plane_color_fill - enables color fill on plane
613 * @pdpu: Pointer to DPU plane object
614 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
615 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha
616 */
_dpu_plane_color_fill(struct dpu_plane * pdpu,uint32_t color,uint32_t alpha)617 static void _dpu_plane_color_fill(struct dpu_plane *pdpu,
618 uint32_t color, uint32_t alpha)
619 {
620 const struct msm_format *fmt;
621 const struct drm_plane *plane = &pdpu->base;
622 struct msm_drm_private *priv = plane->dev->dev_private;
623 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
624 u32 fill_color = (color & 0xFFFFFF) | ((alpha & 0xFF) << 24);
625 int i;
626
627 DPU_DEBUG_PLANE(pdpu, "\n");
628
629 /*
630 * select fill format to match user property expectation,
631 * h/w only supports RGB variants
632 */
633 fmt = mdp_get_format(priv->kms, DRM_FORMAT_ABGR8888, 0);
634 /* should not happen ever */
635 if (!fmt)
636 return;
637
638 /* update sspp */
639 for (i = 0; i < PIPES_PER_PLANE; i++) {
640 if (!pstate->pipe[i].sspp)
641 continue;
642 _dpu_plane_color_fill_pipe(pstate, &pstate->pipe[i],
643 &pstate->pipe_cfg[i].dst_rect,
644 fill_color, fmt);
645 }
646 }
647
dpu_plane_prepare_fb(struct drm_plane * plane,struct drm_plane_state * new_state)648 static int dpu_plane_prepare_fb(struct drm_plane *plane,
649 struct drm_plane_state *new_state)
650 {
651 struct drm_framebuffer *fb = new_state->fb;
652 struct dpu_plane *pdpu = to_dpu_plane(plane);
653 struct dpu_plane_state *pstate = to_dpu_plane_state(new_state);
654 int ret;
655
656 if (!new_state->fb)
657 return 0;
658
659 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);
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 ret = msm_framebuffer_prepare(new_state->fb, pstate->needs_dirtyfb);
669 if (ret) {
670 DPU_ERROR("failed to prepare framebuffer\n");
671 return ret;
672 }
673
674 return 0;
675 }
676
dpu_plane_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)677 static void dpu_plane_cleanup_fb(struct drm_plane *plane,
678 struct drm_plane_state *old_state)
679 {
680 struct dpu_plane *pdpu = to_dpu_plane(plane);
681 struct dpu_plane_state *old_pstate;
682
683 if (!old_state || !old_state->fb)
684 return;
685
686 old_pstate = to_dpu_plane_state(old_state);
687
688 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id);
689
690 msm_framebuffer_cleanup(old_state->fb, old_pstate->needs_dirtyfb);
691 }
692
dpu_plane_check_inline_rotation(struct dpu_plane * pdpu,struct dpu_sw_pipe * pipe,struct drm_rect src,const struct msm_format * fmt)693 static int dpu_plane_check_inline_rotation(struct dpu_plane *pdpu,
694 struct dpu_sw_pipe *pipe,
695 struct drm_rect src,
696 const struct msm_format *fmt)
697 {
698 const struct dpu_sspp_sub_blks *sblk = pipe->sspp->cap->sblk;
699 size_t num_formats;
700 const u32 *supported_formats;
701
702 if (!test_bit(DPU_SSPP_INLINE_ROTATION, &pipe->sspp->cap->features))
703 return -EINVAL;
704
705 if (!sblk->rotation_cfg) {
706 DPU_ERROR("invalid rotation cfg\n");
707 return -EINVAL;
708 }
709
710 if (drm_rect_width(&src) > sblk->rotation_cfg->rot_maxheight) {
711 DPU_DEBUG_PLANE(pdpu, "invalid height for inline rot:%d max:%d\n",
712 src.y2, sblk->rotation_cfg->rot_maxheight);
713 return -EINVAL;
714 }
715
716 supported_formats = sblk->rotation_cfg->rot_format_list;
717 num_formats = sblk->rotation_cfg->rot_num_formats;
718
719 if (!MSM_FORMAT_IS_UBWC(fmt) ||
720 !dpu_find_format(fmt->pixel_format, supported_formats, num_formats))
721 return -EINVAL;
722
723 return 0;
724 }
725
dpu_plane_atomic_check_pipe(struct dpu_plane * pdpu,struct dpu_sw_pipe * pipe,struct dpu_sw_pipe_cfg * pipe_cfg,const struct drm_display_mode * mode,struct drm_plane_state * new_plane_state)726 static int dpu_plane_atomic_check_pipe(struct dpu_plane *pdpu,
727 struct dpu_sw_pipe *pipe,
728 struct dpu_sw_pipe_cfg *pipe_cfg,
729 const struct drm_display_mode *mode,
730 struct drm_plane_state *new_plane_state)
731 {
732 uint32_t min_src_size;
733 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
734 int ret;
735 const struct msm_format *fmt;
736 uint32_t supported_rotations;
737 const struct dpu_sspp_cfg *pipe_hw_caps;
738 const struct dpu_sspp_sub_blks *sblk;
739
740 pipe_hw_caps = pipe->sspp->cap;
741 sblk = pipe->sspp->cap->sblk;
742
743 /*
744 * We already have verified scaling against platform limitations.
745 * Now check if the SSPP supports scaling at all.
746 */
747 if (!(sblk->scaler_blk.len && pipe->sspp->ops.setup_scaler) &&
748 ((drm_rect_width(&new_plane_state->src) >> 16 !=
749 drm_rect_width(&new_plane_state->dst)) ||
750 (drm_rect_height(&new_plane_state->src) >> 16 !=
751 drm_rect_height(&new_plane_state->dst))))
752 return -ERANGE;
753
754 fmt = msm_framebuffer_format(new_plane_state->fb);
755
756 supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0;
757
758 if (pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION))
759 supported_rotations |= DRM_MODE_ROTATE_90;
760
761 pipe_cfg->rotation = drm_rotation_simplify(new_plane_state->rotation,
762 supported_rotations);
763
764 min_src_size = MSM_FORMAT_IS_YUV(fmt) ? 2 : 1;
765
766 if (MSM_FORMAT_IS_YUV(fmt) &&
767 !pipe->sspp->cap->sblk->csc_blk.len) {
768 DPU_DEBUG_PLANE(pdpu,
769 "plane doesn't have csc for yuv\n");
770 return -EINVAL;
771 }
772
773 /* check src bounds */
774 if (drm_rect_width(&pipe_cfg->src_rect) < min_src_size ||
775 drm_rect_height(&pipe_cfg->src_rect) < min_src_size) {
776 DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
777 DRM_RECT_ARG(&pipe_cfg->src_rect));
778 return -E2BIG;
779 }
780
781 /* valid yuv image */
782 if (MSM_FORMAT_IS_YUV(fmt) &&
783 (pipe_cfg->src_rect.x1 & 0x1 ||
784 pipe_cfg->src_rect.y1 & 0x1 ||
785 drm_rect_width(&pipe_cfg->src_rect) & 0x1 ||
786 drm_rect_height(&pipe_cfg->src_rect) & 0x1)) {
787 DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n",
788 DRM_RECT_ARG(&pipe_cfg->src_rect));
789 return -EINVAL;
790 }
791
792 /* min dst support */
793 if (drm_rect_width(&pipe_cfg->dst_rect) < 0x1 ||
794 drm_rect_height(&pipe_cfg->dst_rect) < 0x1) {
795 DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n",
796 DRM_RECT_ARG(&pipe_cfg->dst_rect));
797 return -EINVAL;
798 }
799
800 if (pipe_cfg->rotation & DRM_MODE_ROTATE_90) {
801 ret = dpu_plane_check_inline_rotation(pdpu, pipe, pipe_cfg->src_rect, fmt);
802 if (ret)
803 return ret;
804 }
805
806 /* max clk check */
807 if (_dpu_plane_calc_clk(mode, pipe_cfg) > kms->perf.max_core_clk_rate) {
808 DPU_DEBUG_PLANE(pdpu, "plane exceeds max mdp core clk limits\n");
809 return -E2BIG;
810 }
811
812 return 0;
813 }
814
815 #define MAX_UPSCALE_RATIO 20
816 #define MAX_DOWNSCALE_RATIO 4
817
dpu_plane_atomic_check_nosspp(struct drm_plane * plane,struct drm_plane_state * new_plane_state,const struct drm_crtc_state * crtc_state)818 static int dpu_plane_atomic_check_nosspp(struct drm_plane *plane,
819 struct drm_plane_state *new_plane_state,
820 const struct drm_crtc_state *crtc_state)
821 {
822 int i, ret = 0, min_scale, max_scale;
823 struct dpu_plane *pdpu = to_dpu_plane(plane);
824 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
825 u64 max_mdp_clk_rate = kms->perf.max_core_clk_rate;
826 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
827 struct dpu_sw_pipe_cfg *pipe_cfg;
828 struct dpu_sw_pipe_cfg *r_pipe_cfg;
829 struct dpu_sw_pipe_cfg init_pipe_cfg;
830 struct drm_rect fb_rect = { 0 };
831 const struct drm_display_mode *mode = &crtc_state->adjusted_mode;
832 uint32_t max_linewidth;
833 u32 num_lm;
834 int stage_id, num_stages;
835
836 min_scale = FRAC_16_16(1, MAX_UPSCALE_RATIO);
837 max_scale = MAX_DOWNSCALE_RATIO << 16;
838
839 ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
840 min_scale,
841 max_scale,
842 true, true);
843 if (ret) {
844 DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
845 return ret;
846 }
847 if (!new_plane_state->visible)
848 return 0;
849
850 pstate->stage = DPU_STAGE_0 + pstate->base.normalized_zpos;
851 if (pstate->stage >= pdpu->catalog->caps->max_mixer_blendstages) {
852 DPU_ERROR("> %d plane stages assigned\n",
853 pdpu->catalog->caps->max_mixer_blendstages - DPU_STAGE_0);
854 return -EINVAL;
855 }
856
857 num_lm = dpu_crtc_get_num_lm(crtc_state);
858
859 /* state->src is 16.16, src_rect is not */
860 drm_rect_fp_to_int(&init_pipe_cfg.src_rect, &new_plane_state->src);
861
862 fb_rect.x2 = new_plane_state->fb->width;
863 fb_rect.y2 = new_plane_state->fb->height;
864
865 /* Ensure fb size is supported */
866 if (drm_rect_width(&fb_rect) > DPU_MAX_IMG_WIDTH ||
867 drm_rect_height(&fb_rect) > DPU_MAX_IMG_HEIGHT) {
868 DPU_DEBUG_PLANE(pdpu, "invalid framebuffer " DRM_RECT_FMT "\n",
869 DRM_RECT_ARG(&fb_rect));
870 return -E2BIG;
871 }
872
873 ret = dpu_format_populate_plane_sizes(new_plane_state->fb, &pstate->layout);
874 if (ret) {
875 DPU_ERROR_PLANE(pdpu, "failed to get format plane sizes, %d\n", ret);
876 return ret;
877 }
878
879 for (i = 0; i < pstate->layout.num_planes; i++)
880 if (pstate->layout.plane_pitch[i] > DPU_SSPP_MAX_PITCH_SIZE)
881 return -E2BIG;
882
883 max_linewidth = pdpu->catalog->caps->max_linewidth;
884
885 drm_rect_rotate(&init_pipe_cfg.src_rect,
886 new_plane_state->fb->width, new_plane_state->fb->height,
887 new_plane_state->rotation);
888
889 /*
890 * We have 1 mixer pair cfg for 1:1:1 and 2:2:1 topology, 2 mixer pair
891 * configs for left and right half screen in case of 4:4:2 topology.
892 * But we may have 2 rect to split wide plane that exceeds limit with 1
893 * config for 2:2:1. So need to handle both wide plane splitting, and
894 * two halves of screen splitting for quad-pipe case. Check dest
895 * rectangle left/right clipping first, then check wide rectangle
896 * splitting in every half next.
897 */
898 num_stages = (num_lm + 1) / 2;
899 /* iterate mixer configs for this plane, to separate left/right with the id */
900 for (stage_id = 0; stage_id < num_stages; stage_id++) {
901 struct drm_rect mixer_rect = {
902 .x1 = stage_id * mode->hdisplay / num_stages,
903 .y1 = 0,
904 .x2 = (stage_id + 1) * mode->hdisplay / num_stages,
905 .y2 = mode->vdisplay
906 };
907 int cfg_idx = stage_id * PIPES_PER_STAGE;
908
909 pipe_cfg = &pstate->pipe_cfg[cfg_idx];
910 r_pipe_cfg = &pstate->pipe_cfg[cfg_idx + 1];
911
912 drm_rect_fp_to_int(&pipe_cfg->src_rect, &new_plane_state->src);
913 pipe_cfg->dst_rect = new_plane_state->dst;
914
915 DPU_DEBUG_PLANE(pdpu, "checking src " DRM_RECT_FMT
916 " vs clip window " DRM_RECT_FMT "\n",
917 DRM_RECT_ARG(&pipe_cfg->src_rect),
918 DRM_RECT_ARG(&mixer_rect));
919
920 /*
921 * If this plane does not fall into mixer rect, check next
922 * mixer rect.
923 */
924 if (!drm_rect_clip_scaled(&pipe_cfg->src_rect,
925 &pipe_cfg->dst_rect,
926 &mixer_rect)) {
927 memset(pipe_cfg, 0, 2 * sizeof(struct dpu_sw_pipe_cfg));
928
929 continue;
930 }
931
932 pipe_cfg->dst_rect.x1 -= mixer_rect.x1;
933 pipe_cfg->dst_rect.x2 -= mixer_rect.x1;
934
935 DPU_DEBUG_PLANE(pdpu, "Got clip src:" DRM_RECT_FMT " dst: " DRM_RECT_FMT "\n",
936 DRM_RECT_ARG(&pipe_cfg->src_rect), DRM_RECT_ARG(&pipe_cfg->dst_rect));
937
938 /* Split wide rect into 2 rect */
939 if ((drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) ||
940 _dpu_plane_calc_clk(mode, pipe_cfg) > max_mdp_clk_rate) {
941
942 if (drm_rect_width(&pipe_cfg->src_rect) > 2 * max_linewidth) {
943 DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
944 DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth);
945 return -E2BIG;
946 }
947
948 memcpy(r_pipe_cfg, pipe_cfg, sizeof(struct dpu_sw_pipe_cfg));
949 pipe_cfg->src_rect.x2 = (pipe_cfg->src_rect.x1 + pipe_cfg->src_rect.x2) >> 1;
950 pipe_cfg->dst_rect.x2 = (pipe_cfg->dst_rect.x1 + pipe_cfg->dst_rect.x2) >> 1;
951 r_pipe_cfg->src_rect.x1 = pipe_cfg->src_rect.x2;
952 r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2;
953 DPU_DEBUG_PLANE(pdpu, "Split wide plane into:"
954 DRM_RECT_FMT " and " DRM_RECT_FMT "\n",
955 DRM_RECT_ARG(&pipe_cfg->src_rect),
956 DRM_RECT_ARG(&r_pipe_cfg->src_rect));
957 } else {
958 memset(r_pipe_cfg, 0, sizeof(struct dpu_sw_pipe_cfg));
959 }
960
961 drm_rect_rotate_inv(&pipe_cfg->src_rect,
962 new_plane_state->fb->width,
963 new_plane_state->fb->height,
964 new_plane_state->rotation);
965
966 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0)
967 drm_rect_rotate_inv(&r_pipe_cfg->src_rect,
968 new_plane_state->fb->width,
969 new_plane_state->fb->height,
970 new_plane_state->rotation);
971 }
972
973 pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state);
974
975 return 0;
976 }
977
dpu_plane_is_multirect_capable(struct dpu_hw_sspp * sspp,struct dpu_sw_pipe_cfg * pipe_cfg,const struct msm_format * fmt)978 static int dpu_plane_is_multirect_capable(struct dpu_hw_sspp *sspp,
979 struct dpu_sw_pipe_cfg *pipe_cfg,
980 const struct msm_format *fmt)
981 {
982 if (drm_rect_width(&pipe_cfg->src_rect) != drm_rect_width(&pipe_cfg->dst_rect) ||
983 drm_rect_height(&pipe_cfg->src_rect) != drm_rect_height(&pipe_cfg->dst_rect))
984 return false;
985
986 if (pipe_cfg->rotation & DRM_MODE_ROTATE_90)
987 return false;
988
989 if (MSM_FORMAT_IS_YUV(fmt))
990 return false;
991
992 if (!sspp)
993 return true;
994
995 if (!test_bit(DPU_SSPP_SMART_DMA_V1, &sspp->cap->features) &&
996 !test_bit(DPU_SSPP_SMART_DMA_V2, &sspp->cap->features))
997 return false;
998
999 return true;
1000 }
1001
dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg * pipe_cfg,const struct msm_format * fmt,uint32_t max_linewidth)1002 static int dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg *pipe_cfg,
1003 const struct msm_format *fmt,
1004 uint32_t max_linewidth)
1005 {
1006 if (MSM_FORMAT_IS_UBWC(fmt) &&
1007 drm_rect_width(&pipe_cfg->src_rect) > max_linewidth / 2)
1008 return false;
1009
1010 return true;
1011 }
1012
dpu_plane_is_multirect_parallel_capable(struct dpu_hw_sspp * sspp,struct dpu_sw_pipe_cfg * pipe_cfg,const struct msm_format * fmt,uint32_t max_linewidth)1013 static int dpu_plane_is_multirect_parallel_capable(struct dpu_hw_sspp *sspp,
1014 struct dpu_sw_pipe_cfg *pipe_cfg,
1015 const struct msm_format *fmt,
1016 uint32_t max_linewidth)
1017 {
1018 return dpu_plane_is_multirect_capable(sspp, pipe_cfg, fmt) &&
1019 dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth);
1020 }
1021
dpu_plane_get_single_pipe_in_stage(struct dpu_plane_state * pstate,struct dpu_sw_pipe ** single_pipe,struct dpu_sw_pipe_cfg ** single_pipe_cfg,int stage_index)1022 static bool dpu_plane_get_single_pipe_in_stage(struct dpu_plane_state *pstate,
1023 struct dpu_sw_pipe **single_pipe,
1024 struct dpu_sw_pipe_cfg **single_pipe_cfg,
1025 int stage_index)
1026 {
1027 int pipe_idx;
1028
1029 pipe_idx = stage_index * PIPES_PER_STAGE;
1030 if (drm_rect_width(&pstate->pipe_cfg[pipe_idx].src_rect) != 0 &&
1031 drm_rect_width(&pstate->pipe_cfg[pipe_idx + 1].src_rect) == 0) {
1032 *single_pipe = &pstate->pipe[pipe_idx];
1033 *single_pipe_cfg = &pstate->pipe_cfg[pipe_idx];
1034 return true;
1035 }
1036
1037 return false;
1038 }
1039
dpu_plane_atomic_check_sspp(struct drm_plane * plane,struct drm_atomic_state * state,const struct drm_crtc_state * crtc_state)1040 static int dpu_plane_atomic_check_sspp(struct drm_plane *plane,
1041 struct drm_atomic_state *state,
1042 const struct drm_crtc_state *crtc_state)
1043 {
1044 struct drm_plane_state *new_plane_state =
1045 drm_atomic_get_new_plane_state(state, plane);
1046 struct dpu_plane *pdpu = to_dpu_plane(plane);
1047 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
1048 struct dpu_sw_pipe *pipe;
1049 struct dpu_sw_pipe_cfg *pipe_cfg;
1050 int ret = 0, i;
1051
1052 for (i = 0; i < PIPES_PER_PLANE; i++) {
1053 pipe = &pstate->pipe[i];
1054 pipe_cfg = &pstate->pipe_cfg[i];
1055 if (!drm_rect_width(&pipe_cfg->src_rect))
1056 continue;
1057 DPU_DEBUG_PLANE(pdpu, "pipe %d is in use, validate it\n", i);
1058 ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg,
1059 &crtc_state->adjusted_mode,
1060 new_plane_state);
1061 if (ret)
1062 return ret;
1063 }
1064
1065 return 0;
1066 }
1067
dpu_plane_try_multirect_parallel(struct dpu_sw_pipe * pipe,struct dpu_sw_pipe_cfg * pipe_cfg,struct dpu_sw_pipe * r_pipe,struct dpu_sw_pipe_cfg * r_pipe_cfg,struct dpu_hw_sspp * sspp,const struct msm_format * fmt,uint32_t max_linewidth)1068 static bool dpu_plane_try_multirect_parallel(struct dpu_sw_pipe *pipe, struct dpu_sw_pipe_cfg *pipe_cfg,
1069 struct dpu_sw_pipe *r_pipe, struct dpu_sw_pipe_cfg *r_pipe_cfg,
1070 struct dpu_hw_sspp *sspp, const struct msm_format *fmt,
1071 uint32_t max_linewidth)
1072 {
1073 r_pipe->sspp = NULL;
1074
1075 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1076 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1077
1078 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1079 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1080
1081 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) {
1082 if (!dpu_plane_is_multirect_parallel_capable(pipe->sspp, pipe_cfg, fmt, max_linewidth) ||
1083 !dpu_plane_is_multirect_parallel_capable(pipe->sspp, r_pipe_cfg, fmt, max_linewidth))
1084 return false;
1085
1086 r_pipe->sspp = pipe->sspp;
1087
1088 pipe->multirect_index = DPU_SSPP_RECT_0;
1089 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1090
1091 r_pipe->multirect_index = DPU_SSPP_RECT_1;
1092 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1093 }
1094
1095 return true;
1096 }
1097
dpu_plane_try_multirect_shared(struct dpu_plane_state * pstate,struct dpu_plane_state * prev_adjacent_pstate,const struct msm_format * fmt,uint32_t max_linewidth,int stage_index)1098 static int dpu_plane_try_multirect_shared(struct dpu_plane_state *pstate,
1099 struct dpu_plane_state *prev_adjacent_pstate,
1100 const struct msm_format *fmt,
1101 uint32_t max_linewidth, int stage_index)
1102 {
1103 struct dpu_sw_pipe *pipe, *prev_pipe;
1104 struct dpu_sw_pipe_cfg *pipe_cfg, *prev_pipe_cfg;
1105 const struct msm_format *prev_fmt = msm_framebuffer_format(prev_adjacent_pstate->base.fb);
1106 u16 max_tile_height = 1;
1107
1108 if (!dpu_plane_get_single_pipe_in_stage(pstate, &pipe,
1109 &pipe_cfg, stage_index))
1110 return false;
1111
1112 if (!dpu_plane_get_single_pipe_in_stage(prev_adjacent_pstate,
1113 &prev_pipe, &prev_pipe_cfg,
1114 stage_index) ||
1115 prev_pipe->multirect_mode != DPU_SSPP_MULTIRECT_NONE)
1116 return false;
1117
1118 /* Do not validate SSPP of current plane when it is not ready */
1119 if (!dpu_plane_is_multirect_capable(pipe->sspp, pipe_cfg, fmt) ||
1120 !dpu_plane_is_multirect_capable(prev_pipe->sspp, prev_pipe_cfg, prev_fmt))
1121 return false;
1122
1123 if (MSM_FORMAT_IS_UBWC(fmt))
1124 max_tile_height = max(max_tile_height, fmt->tile_height);
1125
1126 if (MSM_FORMAT_IS_UBWC(prev_fmt))
1127 max_tile_height = max(max_tile_height, prev_fmt->tile_height);
1128
1129 if (dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth) &&
1130 dpu_plane_is_parallel_capable(prev_pipe_cfg, prev_fmt, max_linewidth) &&
1131 (pipe_cfg->dst_rect.x1 >= prev_pipe_cfg->dst_rect.x2 ||
1132 prev_pipe_cfg->dst_rect.x1 >= pipe_cfg->dst_rect.x2)) {
1133 pipe->sspp = prev_pipe->sspp;
1134
1135 pipe->multirect_index = DPU_SSPP_RECT_1;
1136 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1137
1138 prev_pipe->multirect_index = DPU_SSPP_RECT_0;
1139 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1140
1141 return true;
1142 }
1143
1144 if (pipe_cfg->dst_rect.y1 >= prev_pipe_cfg->dst_rect.y2 + 2 * max_tile_height ||
1145 prev_pipe_cfg->dst_rect.y1 >= pipe_cfg->dst_rect.y2 + 2 * max_tile_height) {
1146 pipe->sspp = prev_pipe->sspp;
1147
1148 pipe->multirect_index = DPU_SSPP_RECT_1;
1149 pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
1150
1151 prev_pipe->multirect_index = DPU_SSPP_RECT_0;
1152 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
1153
1154 return true;
1155 }
1156
1157 return false;
1158 }
1159
dpu_plane_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1160 static int dpu_plane_atomic_check(struct drm_plane *plane,
1161 struct drm_atomic_state *state)
1162 {
1163 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
1164 plane);
1165 int ret = 0;
1166 struct dpu_plane *pdpu = to_dpu_plane(plane);
1167 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
1168 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1169 struct dpu_sw_pipe *pipe = &pstate->pipe[0];
1170 struct dpu_sw_pipe *r_pipe = &pstate->pipe[1];
1171 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg[0];
1172 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->pipe_cfg[1];
1173 const struct drm_crtc_state *crtc_state = NULL;
1174 uint32_t max_linewidth = dpu_kms->catalog->caps->max_linewidth;
1175
1176 if (new_plane_state->crtc)
1177 crtc_state = drm_atomic_get_new_crtc_state(state,
1178 new_plane_state->crtc);
1179
1180 pipe->sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe);
1181
1182 if (!pipe->sspp)
1183 return -EINVAL;
1184
1185 ret = dpu_plane_atomic_check_nosspp(plane, new_plane_state, crtc_state);
1186 if (ret)
1187 return ret;
1188
1189 if (!new_plane_state->visible)
1190 return 0;
1191
1192 if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
1193 pipe->sspp,
1194 msm_framebuffer_format(new_plane_state->fb),
1195 max_linewidth)) {
1196 DPU_DEBUG_PLANE(pdpu, "invalid " DRM_RECT_FMT " /" DRM_RECT_FMT
1197 " max_line:%u, can't use split source\n",
1198 DRM_RECT_ARG(&pipe_cfg->src_rect),
1199 DRM_RECT_ARG(&r_pipe_cfg->src_rect),
1200 max_linewidth);
1201 return -E2BIG;
1202 }
1203
1204 return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
1205 }
1206
dpu_plane_virtual_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1207 static int dpu_plane_virtual_atomic_check(struct drm_plane *plane,
1208 struct drm_atomic_state *state)
1209 {
1210 struct drm_plane_state *plane_state =
1211 drm_atomic_get_plane_state(state, plane);
1212 struct drm_plane_state *old_plane_state =
1213 drm_atomic_get_old_plane_state(state, plane);
1214 struct dpu_plane_state *pstate = to_dpu_plane_state(plane_state);
1215 struct drm_crtc_state *crtc_state = NULL;
1216 int ret, i;
1217
1218 if (IS_ERR(plane_state))
1219 return PTR_ERR(plane_state);
1220
1221 if (plane_state->crtc)
1222 crtc_state = drm_atomic_get_new_crtc_state(state,
1223 plane_state->crtc);
1224
1225 ret = dpu_plane_atomic_check_nosspp(plane, plane_state, crtc_state);
1226 if (ret)
1227 return ret;
1228
1229 if (!plane_state->visible) {
1230 /*
1231 * resources are freed by dpu_crtc_assign_plane_resources(),
1232 * but clean them here.
1233 */
1234 for (i = 0; i < PIPES_PER_PLANE; i++)
1235 pstate->pipe[i].sspp = NULL;
1236
1237 return 0;
1238 }
1239
1240 /*
1241 * Force resource reallocation if the format of FB or src/dst have
1242 * changed. We might need to allocate different SSPP or SSPPs for this
1243 * plane than the one used previously.
1244 */
1245 if (!old_plane_state || !old_plane_state->fb ||
1246 old_plane_state->src_w != plane_state->src_w ||
1247 old_plane_state->src_h != plane_state->src_h ||
1248 old_plane_state->crtc_w != plane_state->crtc_w ||
1249 old_plane_state->crtc_h != plane_state->crtc_h ||
1250 msm_framebuffer_format(old_plane_state->fb) !=
1251 msm_framebuffer_format(plane_state->fb))
1252 crtc_state->planes_changed = true;
1253
1254 return 0;
1255 }
1256
dpu_plane_assign_resource_in_stage(struct dpu_sw_pipe * pipe,struct dpu_sw_pipe_cfg * pipe_cfg,struct drm_plane_state * plane_state,struct dpu_global_state * global_state,struct drm_crtc * crtc,struct dpu_rm_sspp_requirements * reqs)1257 static int dpu_plane_assign_resource_in_stage(struct dpu_sw_pipe *pipe,
1258 struct dpu_sw_pipe_cfg *pipe_cfg,
1259 struct drm_plane_state *plane_state,
1260 struct dpu_global_state *global_state,
1261 struct drm_crtc *crtc,
1262 struct dpu_rm_sspp_requirements *reqs)
1263 {
1264 struct drm_plane *plane = plane_state->plane;
1265 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1266 struct dpu_sw_pipe *r_pipe = pipe + 1;
1267 struct dpu_sw_pipe_cfg *r_pipe_cfg = pipe_cfg + 1;
1268
1269 if (drm_rect_width(&pipe_cfg->src_rect) == 0)
1270 return 0;
1271
1272 pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs);
1273 if (!pipe->sspp)
1274 return -ENODEV;
1275 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1276 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1277
1278 if (drm_rect_width(&r_pipe_cfg->src_rect) == 0)
1279 return 0;
1280
1281 if (dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
1282 pipe->sspp,
1283 msm_framebuffer_format(plane_state->fb),
1284 dpu_kms->catalog->caps->max_linewidth))
1285 return 0;
1286
1287 r_pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs);
1288 if (!r_pipe->sspp)
1289 return -ENODEV;
1290 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1291 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1292
1293 return 0;
1294 }
1295
dpu_plane_virtual_assign_resources(struct drm_crtc * crtc,struct dpu_global_state * global_state,struct drm_atomic_state * state,struct drm_plane_state * plane_state,struct drm_plane_state ** prev_adjacent_plane_state)1296 static int dpu_plane_virtual_assign_resources(struct drm_crtc *crtc,
1297 struct dpu_global_state *global_state,
1298 struct drm_atomic_state *state,
1299 struct drm_plane_state *plane_state,
1300 struct drm_plane_state **prev_adjacent_plane_state)
1301 {
1302 const struct drm_crtc_state *crtc_state = NULL;
1303 struct drm_plane *plane = plane_state->plane;
1304 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1305 struct dpu_rm_sspp_requirements reqs;
1306 struct dpu_plane_state *pstate, *prev_adjacent_pstate[STAGES_PER_PLANE];
1307 struct dpu_sw_pipe *pipe;
1308 struct dpu_sw_pipe_cfg *pipe_cfg;
1309 const struct msm_format *fmt;
1310 int i, ret;
1311
1312 if (plane_state->crtc)
1313 crtc_state = drm_atomic_get_new_crtc_state(state,
1314 plane_state->crtc);
1315
1316 pstate = to_dpu_plane_state(plane_state);
1317 for (i = 0; i < STAGES_PER_PLANE; i++)
1318 prev_adjacent_pstate[i] = prev_adjacent_plane_state[i] ?
1319 to_dpu_plane_state(prev_adjacent_plane_state[i]) : NULL;
1320
1321 for (i = 0; i < PIPES_PER_PLANE; i++)
1322 pstate->pipe[i].sspp = NULL;
1323
1324 if (!plane_state->fb)
1325 return -EINVAL;
1326
1327 fmt = msm_framebuffer_format(plane_state->fb);
1328 reqs.yuv = MSM_FORMAT_IS_YUV(fmt);
1329 reqs.scale = (plane_state->src_w >> 16 != plane_state->crtc_w) ||
1330 (plane_state->src_h >> 16 != plane_state->crtc_h);
1331
1332 reqs.rot90 = drm_rotation_90_or_270(plane_state->rotation);
1333
1334 for (i = 0; i < STAGES_PER_PLANE; i++) {
1335 if (prev_adjacent_pstate[i] &&
1336 dpu_plane_try_multirect_shared(pstate, prev_adjacent_pstate[i], fmt,
1337 dpu_kms->catalog->caps->max_linewidth,
1338 i))
1339 continue;
1340
1341 if (dpu_plane_get_single_pipe_in_stage(pstate, &pipe, &pipe_cfg, i))
1342 prev_adjacent_plane_state[i] = plane_state;
1343
1344 pipe = &pstate->pipe[i * PIPES_PER_STAGE];
1345 pipe_cfg = &pstate->pipe_cfg[i * PIPES_PER_STAGE];
1346 ret = dpu_plane_assign_resource_in_stage(pipe, pipe_cfg,
1347 plane_state,
1348 global_state,
1349 crtc, &reqs);
1350 if (ret)
1351 return ret;
1352 }
1353
1354 return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
1355 }
1356
dpu_assign_plane_resources(struct dpu_global_state * global_state,struct drm_atomic_state * state,struct drm_crtc * crtc,struct drm_plane_state ** states,unsigned int num_planes)1357 int dpu_assign_plane_resources(struct dpu_global_state *global_state,
1358 struct drm_atomic_state *state,
1359 struct drm_crtc *crtc,
1360 struct drm_plane_state **states,
1361 unsigned int num_planes)
1362 {
1363 unsigned int i;
1364 struct drm_plane_state *prev_adjacent_plane_state[STAGES_PER_PLANE] = { NULL };
1365
1366 for (i = 0; i < num_planes; i++) {
1367 struct drm_plane_state *plane_state = states[i];
1368
1369 if (!plane_state ||
1370 !plane_state->visible)
1371 continue;
1372
1373 int ret = dpu_plane_virtual_assign_resources(crtc, global_state,
1374 state, plane_state,
1375 prev_adjacent_plane_state);
1376 if (ret)
1377 return ret;
1378 }
1379
1380 return 0;
1381 }
1382
dpu_plane_flush_csc(struct dpu_plane * pdpu,struct dpu_sw_pipe * pipe)1383 static void dpu_plane_flush_csc(struct dpu_plane *pdpu, struct dpu_sw_pipe *pipe)
1384 {
1385 const struct msm_format *format =
1386 msm_framebuffer_format(pdpu->base.state->fb);
1387 const struct dpu_csc_cfg *csc_ptr;
1388
1389 if (!pipe->sspp || !pipe->sspp->ops.setup_csc)
1390 return;
1391
1392 csc_ptr = _dpu_plane_get_csc(pipe, format);
1393 if (!csc_ptr)
1394 return;
1395
1396 DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
1397 csc_ptr->csc_mv[0],
1398 csc_ptr->csc_mv[1],
1399 csc_ptr->csc_mv[2]);
1400
1401 pipe->sspp->ops.setup_csc(pipe->sspp, csc_ptr);
1402
1403 }
1404
1405 /**
1406 * dpu_plane_flush - final plane operations before commit flush
1407 * @plane: Pointer to drm plane structure
1408 */
dpu_plane_flush(struct drm_plane * plane)1409 void dpu_plane_flush(struct drm_plane *plane)
1410 {
1411 struct dpu_plane *pdpu;
1412 struct dpu_plane_state *pstate;
1413 int i;
1414
1415 if (!plane || !plane->state) {
1416 DPU_ERROR("invalid plane\n");
1417 return;
1418 }
1419
1420 pdpu = to_dpu_plane(plane);
1421 pstate = to_dpu_plane_state(plane->state);
1422
1423 /*
1424 * These updates have to be done immediately before the plane flush
1425 * timing, and may not be moved to the atomic_update/mode_set functions.
1426 */
1427 if (pdpu->is_error)
1428 /* force white frame with 100% alpha pipe output on error */
1429 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
1430 else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
1431 /* force 100% alpha */
1432 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
1433 else {
1434 for (i = 0; i < PIPES_PER_PLANE; i++)
1435 dpu_plane_flush_csc(pdpu, &pstate->pipe[i]);
1436 }
1437
1438 /* flag h/w flush complete */
1439 if (plane->state)
1440 pstate->pending = false;
1441 }
1442
1443 /**
1444 * dpu_plane_set_error: enable/disable error condition
1445 * @plane: pointer to drm_plane structure
1446 * @error: error value to set
1447 */
dpu_plane_set_error(struct drm_plane * plane,bool error)1448 void dpu_plane_set_error(struct drm_plane *plane, bool error)
1449 {
1450 struct dpu_plane *pdpu;
1451
1452 if (!plane)
1453 return;
1454
1455 pdpu = to_dpu_plane(plane);
1456 pdpu->is_error = error;
1457 }
1458
dpu_plane_sspp_update_pipe(struct drm_plane * plane,struct dpu_sw_pipe * pipe,struct dpu_sw_pipe_cfg * pipe_cfg,const struct msm_format * fmt,int frame_rate,struct dpu_hw_fmt_layout * layout)1459 static void dpu_plane_sspp_update_pipe(struct drm_plane *plane,
1460 struct dpu_sw_pipe *pipe,
1461 struct dpu_sw_pipe_cfg *pipe_cfg,
1462 const struct msm_format *fmt,
1463 int frame_rate,
1464 struct dpu_hw_fmt_layout *layout)
1465 {
1466 uint32_t src_flags;
1467 struct dpu_plane *pdpu = to_dpu_plane(plane);
1468 struct drm_plane_state *state = plane->state;
1469 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1470
1471 if (layout && pipe->sspp->ops.setup_sourceaddress) {
1472 trace_dpu_plane_set_scanout(pipe, layout);
1473 pipe->sspp->ops.setup_sourceaddress(pipe, layout);
1474 }
1475
1476 /* override for color fill */
1477 if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
1478 _dpu_plane_set_qos_ctrl(plane, pipe, false);
1479
1480 /* skip remaining processing on color fill */
1481 return;
1482 }
1483
1484 if (pipe->sspp->ops.setup_rects) {
1485 pipe->sspp->ops.setup_rects(pipe,
1486 pipe_cfg);
1487 }
1488
1489 _dpu_plane_setup_scaler(pipe, fmt, false, pipe_cfg);
1490
1491 if (pipe->sspp->ops.setup_multirect)
1492 pipe->sspp->ops.setup_multirect(
1493 pipe);
1494
1495 if (pipe->sspp->ops.setup_format) {
1496 unsigned int rotation = pipe_cfg->rotation;
1497
1498 src_flags = 0x0;
1499
1500 if (rotation & DRM_MODE_REFLECT_X)
1501 src_flags |= DPU_SSPP_FLIP_LR;
1502
1503 if (rotation & DRM_MODE_REFLECT_Y)
1504 src_flags |= DPU_SSPP_FLIP_UD;
1505
1506 if (rotation & DRM_MODE_ROTATE_90)
1507 src_flags |= DPU_SSPP_ROT_90;
1508
1509 /* update format */
1510 pipe->sspp->ops.setup_format(pipe, fmt, src_flags);
1511
1512 if (pipe->sspp->ops.setup_cdp) {
1513 const struct dpu_perf_cfg *perf = pdpu->catalog->perf;
1514
1515 pipe->sspp->ops.setup_cdp(pipe, fmt,
1516 perf->cdp_cfg[DPU_PERF_CDP_USAGE_RT].rd_enable);
1517 }
1518 }
1519
1520 _dpu_plane_set_qos_lut(plane, pipe, fmt, pipe_cfg);
1521
1522 if (pipe->sspp->idx != SSPP_CURSOR0 &&
1523 pipe->sspp->idx != SSPP_CURSOR1)
1524 _dpu_plane_set_ot_limit(plane, pipe, pipe_cfg, frame_rate);
1525
1526 if (pstate->needs_qos_remap)
1527 _dpu_plane_set_qos_remap(plane, pipe);
1528 }
1529
dpu_plane_sspp_atomic_update(struct drm_plane * plane,struct drm_plane_state * new_state)1530 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane,
1531 struct drm_plane_state *new_state)
1532 {
1533 struct dpu_plane *pdpu = to_dpu_plane(plane);
1534 struct drm_plane_state *state = plane->state;
1535 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1536 struct drm_crtc *crtc = state->crtc;
1537 struct drm_framebuffer *fb = state->fb;
1538 bool is_rt_pipe;
1539 const struct msm_format *fmt =
1540 msm_framebuffer_format(fb);
1541 int i;
1542
1543 pstate->pending = true;
1544
1545 is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
1546 pstate->needs_qos_remap |= (is_rt_pipe != pdpu->is_rt_pipe);
1547 pdpu->is_rt_pipe = is_rt_pipe;
1548
1549 dpu_format_populate_addrs(new_state->fb, &pstate->layout);
1550
1551 DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
1552 ", %p4cc ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
1553 crtc->base.id, DRM_RECT_ARG(&state->dst),
1554 &fmt->pixel_format, MSM_FORMAT_IS_UBWC(fmt));
1555
1556 for (i = 0; i < PIPES_PER_PLANE; i++) {
1557 if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect))
1558 continue;
1559 dpu_plane_sspp_update_pipe(plane, &pstate->pipe[i],
1560 &pstate->pipe_cfg[i], fmt,
1561 drm_mode_vrefresh(&crtc->mode),
1562 &pstate->layout);
1563 }
1564
1565 if (pstate->needs_qos_remap)
1566 pstate->needs_qos_remap = false;
1567
1568 pstate->plane_fetch_bw = 0;
1569 pstate->plane_clk = 0;
1570 for (i = 0; i < PIPES_PER_PLANE; i++) {
1571 if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect))
1572 continue;
1573 pstate->plane_fetch_bw += _dpu_plane_calc_bw(pdpu->catalog, fmt,
1574 &crtc->mode, &pstate->pipe_cfg[i]);
1575
1576 pstate->plane_clk = max(pstate->plane_clk,
1577 _dpu_plane_calc_clk(&crtc->mode,
1578 &pstate->pipe_cfg[i]));
1579 }
1580 }
1581
_dpu_plane_atomic_disable(struct drm_plane * plane)1582 static void _dpu_plane_atomic_disable(struct drm_plane *plane)
1583 {
1584 struct drm_plane_state *state = plane->state;
1585 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1586 struct dpu_sw_pipe *pipe;
1587 int i;
1588
1589 for (i = 0; i < PIPES_PER_PLANE; i += 1) {
1590 pipe = &pstate->pipe[i];
1591 if (!pipe->sspp)
1592 continue;
1593
1594 trace_dpu_plane_disable(DRMID(plane), false,
1595 pstate->pipe[i].multirect_mode);
1596
1597 if (i % PIPES_PER_STAGE == 0)
1598 continue;
1599
1600 /*
1601 * clear multirect for the right pipe so that the SSPP
1602 * can be further reused in the solo mode
1603 */
1604 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1605 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1606 if (pipe->sspp->ops.setup_multirect)
1607 pipe->sspp->ops.setup_multirect(pipe);
1608 }
1609
1610 pstate->pending = true;
1611 }
1612
dpu_plane_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)1613 static void dpu_plane_atomic_update(struct drm_plane *plane,
1614 struct drm_atomic_state *state)
1615 {
1616 struct dpu_plane *pdpu = to_dpu_plane(plane);
1617 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
1618 plane);
1619
1620 pdpu->is_error = false;
1621
1622 DPU_DEBUG_PLANE(pdpu, "\n");
1623
1624 if (!new_state->visible) {
1625 _dpu_plane_atomic_disable(plane);
1626 } else {
1627 dpu_plane_sspp_atomic_update(plane, new_state);
1628 }
1629 }
1630
dpu_plane_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)1631 static void dpu_plane_destroy_state(struct drm_plane *plane,
1632 struct drm_plane_state *state)
1633 {
1634 __drm_atomic_helper_plane_destroy_state(state);
1635 kfree(to_dpu_plane_state(state));
1636 }
1637
1638 static struct drm_plane_state *
dpu_plane_duplicate_state(struct drm_plane * plane)1639 dpu_plane_duplicate_state(struct drm_plane *plane)
1640 {
1641 struct dpu_plane *pdpu;
1642 struct dpu_plane_state *pstate;
1643 struct dpu_plane_state *old_state;
1644
1645 if (!plane) {
1646 DPU_ERROR("invalid plane\n");
1647 return NULL;
1648 } else if (!plane->state) {
1649 DPU_ERROR("invalid plane state\n");
1650 return NULL;
1651 }
1652
1653 old_state = to_dpu_plane_state(plane->state);
1654 pdpu = to_dpu_plane(plane);
1655 pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
1656 if (!pstate) {
1657 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1658 return NULL;
1659 }
1660
1661 DPU_DEBUG_PLANE(pdpu, "\n");
1662
1663 pstate->pending = false;
1664
1665 __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base);
1666
1667 return &pstate->base;
1668 }
1669
1670 static const char * const multirect_mode_name[] = {
1671 [DPU_SSPP_MULTIRECT_NONE] = "none",
1672 [DPU_SSPP_MULTIRECT_PARALLEL] = "parallel",
1673 [DPU_SSPP_MULTIRECT_TIME_MX] = "time_mx",
1674 };
1675
1676 static const char * const multirect_index_name[] = {
1677 [DPU_SSPP_RECT_SOLO] = "solo",
1678 [DPU_SSPP_RECT_0] = "rect_0",
1679 [DPU_SSPP_RECT_1] = "rect_1",
1680 };
1681
dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)1682 static const char *dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)
1683 {
1684 if (WARN_ON(mode >= ARRAY_SIZE(multirect_mode_name)))
1685 return "unknown";
1686
1687 return multirect_mode_name[mode];
1688 }
1689
dpu_get_multirect_index(enum dpu_sspp_multirect_index index)1690 static const char *dpu_get_multirect_index(enum dpu_sspp_multirect_index index)
1691 {
1692 if (WARN_ON(index >= ARRAY_SIZE(multirect_index_name)))
1693 return "unknown";
1694
1695 return multirect_index_name[index];
1696 }
1697
dpu_plane_atomic_print_state(struct drm_printer * p,const struct drm_plane_state * state)1698 static void dpu_plane_atomic_print_state(struct drm_printer *p,
1699 const struct drm_plane_state *state)
1700 {
1701 const struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1702 const struct dpu_sw_pipe *pipe;
1703 const struct dpu_sw_pipe_cfg *pipe_cfg;
1704 int i;
1705
1706 drm_printf(p, "\tstage=%d\n", pstate->stage);
1707
1708 for (i = 0; i < PIPES_PER_PLANE; i++) {
1709 pipe = &pstate->pipe[i];
1710 if (!pipe->sspp)
1711 continue;
1712 pipe_cfg = &pstate->pipe_cfg[i];
1713 drm_printf(p, "\tsspp[%d]=%s\n", i, pipe->sspp->cap->name);
1714 drm_printf(p, "\tmultirect_mode[%d]=%s\n", i,
1715 dpu_get_multirect_mode(pipe->multirect_mode));
1716 drm_printf(p, "\tmultirect_index[%d]=%s\n", i,
1717 dpu_get_multirect_index(pipe->multirect_index));
1718 drm_printf(p, "\tsrc[%d]=" DRM_RECT_FMT "\n", i,
1719 DRM_RECT_ARG(&pipe_cfg->src_rect));
1720 drm_printf(p, "\tdst[%d]=" DRM_RECT_FMT "\n", i,
1721 DRM_RECT_ARG(&pipe_cfg->dst_rect));
1722 }
1723 }
1724
dpu_plane_reset(struct drm_plane * plane)1725 static void dpu_plane_reset(struct drm_plane *plane)
1726 {
1727 struct dpu_plane *pdpu;
1728 struct dpu_plane_state *pstate;
1729
1730 if (!plane) {
1731 DPU_ERROR("invalid plane\n");
1732 return;
1733 }
1734
1735 pdpu = to_dpu_plane(plane);
1736 DPU_DEBUG_PLANE(pdpu, "\n");
1737
1738 /* remove previous state, if present */
1739 if (plane->state) {
1740 dpu_plane_destroy_state(plane, plane->state);
1741 plane->state = NULL;
1742 }
1743
1744 pstate = kzalloc(sizeof(*pstate), GFP_KERNEL);
1745 if (!pstate) {
1746 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1747 return;
1748 }
1749
1750 __drm_atomic_helper_plane_reset(plane, &pstate->base);
1751 }
1752
1753 #ifdef CONFIG_DEBUG_FS
dpu_plane_danger_signal_ctrl(struct drm_plane * plane,bool enable)1754 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
1755 {
1756 struct dpu_plane *pdpu = to_dpu_plane(plane);
1757 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
1758 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1759 int i;
1760
1761 if (!pdpu->is_rt_pipe)
1762 return;
1763
1764 pm_runtime_get_sync(&dpu_kms->pdev->dev);
1765 for (i = 0; i < PIPES_PER_PLANE; i++) {
1766 if (!pstate->pipe[i].sspp)
1767 continue;
1768 _dpu_plane_set_qos_ctrl(plane, &pstate->pipe[i], enable);
1769 }
1770 pm_runtime_put_sync(&dpu_kms->pdev->dev);
1771 }
1772 #endif
1773
dpu_plane_format_mod_supported(struct drm_plane * plane,uint32_t format,uint64_t modifier)1774 static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
1775 uint32_t format, uint64_t modifier)
1776 {
1777 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1778 bool has_no_ubwc = (dpu_kms->mdss->ubwc_enc_version == 0) &&
1779 (dpu_kms->mdss->ubwc_dec_version == 0);
1780
1781 if (modifier == DRM_FORMAT_MOD_LINEAR)
1782 return true;
1783
1784 if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED && !has_no_ubwc)
1785 return dpu_find_format(format, qcom_compressed_supported_formats,
1786 ARRAY_SIZE(qcom_compressed_supported_formats));
1787
1788 return false;
1789 }
1790
1791 static const struct drm_plane_funcs dpu_plane_funcs = {
1792 .update_plane = drm_atomic_helper_update_plane,
1793 .disable_plane = drm_atomic_helper_disable_plane,
1794 .reset = dpu_plane_reset,
1795 .atomic_duplicate_state = dpu_plane_duplicate_state,
1796 .atomic_destroy_state = dpu_plane_destroy_state,
1797 .atomic_print_state = dpu_plane_atomic_print_state,
1798 .format_mod_supported = dpu_plane_format_mod_supported,
1799 };
1800
1801 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
1802 .prepare_fb = dpu_plane_prepare_fb,
1803 .cleanup_fb = dpu_plane_cleanup_fb,
1804 .atomic_check = dpu_plane_atomic_check,
1805 .atomic_update = dpu_plane_atomic_update,
1806 };
1807
1808 static const struct drm_plane_helper_funcs dpu_plane_virtual_helper_funcs = {
1809 .prepare_fb = dpu_plane_prepare_fb,
1810 .cleanup_fb = dpu_plane_cleanup_fb,
1811 .atomic_check = dpu_plane_virtual_atomic_check,
1812 .atomic_update = dpu_plane_atomic_update,
1813 };
1814
1815 /* initialize plane */
dpu_plane_init_common(struct drm_device * dev,enum drm_plane_type type,unsigned long possible_crtcs,bool inline_rotation,const uint32_t * format_list,uint32_t num_formats,enum dpu_sspp pipe)1816 static struct drm_plane *dpu_plane_init_common(struct drm_device *dev,
1817 enum drm_plane_type type,
1818 unsigned long possible_crtcs,
1819 bool inline_rotation,
1820 const uint32_t *format_list,
1821 uint32_t num_formats,
1822 enum dpu_sspp pipe)
1823 {
1824 struct drm_plane *plane = NULL;
1825 struct dpu_plane *pdpu;
1826 struct msm_drm_private *priv = dev->dev_private;
1827 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1828 uint32_t supported_rotations;
1829 int ret;
1830
1831 pdpu = drmm_universal_plane_alloc(dev, struct dpu_plane, base,
1832 0xff, &dpu_plane_funcs,
1833 format_list, num_formats,
1834 supported_format_modifiers, type, NULL);
1835 if (IS_ERR(pdpu))
1836 return ERR_CAST(pdpu);
1837
1838 /* cache local stuff for later */
1839 plane = &pdpu->base;
1840 pdpu->pipe = pipe;
1841
1842 pdpu->catalog = kms->catalog;
1843
1844 ret = drm_plane_create_zpos_property(plane, 0, 0, DPU_ZPOS_MAX);
1845 if (ret)
1846 DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
1847
1848 drm_plane_create_alpha_property(plane);
1849 drm_plane_create_blend_mode_property(plane,
1850 BIT(DRM_MODE_BLEND_PIXEL_NONE) |
1851 BIT(DRM_MODE_BLEND_PREMULTI) |
1852 BIT(DRM_MODE_BLEND_COVERAGE));
1853
1854 supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
1855
1856 if (inline_rotation)
1857 supported_rotations |= DRM_MODE_ROTATE_MASK;
1858
1859 drm_plane_create_rotation_property(plane,
1860 DRM_MODE_ROTATE_0, supported_rotations);
1861
1862 drm_plane_enable_fb_damage_clips(plane);
1863
1864 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
1865 pipe, plane->base.id);
1866 return plane;
1867 }
1868
1869 /**
1870 * dpu_plane_init - create new dpu plane for the given pipe
1871 * @dev: Pointer to DRM device
1872 * @pipe: dpu hardware pipe identifier
1873 * @type: Plane type - PRIMARY/OVERLAY/CURSOR
1874 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
1875 *
1876 * Initialize the plane.
1877 */
dpu_plane_init(struct drm_device * dev,uint32_t pipe,enum drm_plane_type type,unsigned long possible_crtcs)1878 struct drm_plane *dpu_plane_init(struct drm_device *dev,
1879 uint32_t pipe, enum drm_plane_type type,
1880 unsigned long possible_crtcs)
1881 {
1882 struct drm_plane *plane = NULL;
1883 struct msm_drm_private *priv = dev->dev_private;
1884 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1885 struct dpu_hw_sspp *pipe_hw;
1886
1887 /* initialize underlying h/w driver */
1888 pipe_hw = dpu_rm_get_sspp(&kms->rm, pipe);
1889 if (!pipe_hw || !pipe_hw->cap || !pipe_hw->cap->sblk) {
1890 DPU_ERROR("[%u]SSPP is invalid\n", pipe);
1891 return ERR_PTR(-EINVAL);
1892 }
1893
1894
1895 plane = dpu_plane_init_common(dev, type, possible_crtcs,
1896 pipe_hw->cap->features & BIT(DPU_SSPP_INLINE_ROTATION),
1897 pipe_hw->cap->sblk->format_list,
1898 pipe_hw->cap->sblk->num_formats,
1899 pipe);
1900 if (IS_ERR(plane))
1901 return plane;
1902
1903 drm_plane_helper_add(plane, &dpu_plane_helper_funcs);
1904
1905 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
1906 pipe, plane->base.id);
1907
1908 return plane;
1909 }
1910
1911 /**
1912 * dpu_plane_init_virtual - create new virtualized DPU plane
1913 * @dev: Pointer to DRM device
1914 * @type: Plane type - PRIMARY/OVERLAY/CURSOR
1915 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
1916 *
1917 * Initialize the virtual plane with no backing SSPP / pipe.
1918 */
dpu_plane_init_virtual(struct drm_device * dev,enum drm_plane_type type,unsigned long possible_crtcs)1919 struct drm_plane *dpu_plane_init_virtual(struct drm_device *dev,
1920 enum drm_plane_type type,
1921 unsigned long possible_crtcs)
1922 {
1923 struct drm_plane *plane = NULL;
1924 struct msm_drm_private *priv = dev->dev_private;
1925 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1926 bool has_inline_rotation = false;
1927 const u32 *format_list = NULL;
1928 u32 num_formats = 0;
1929 int i;
1930
1931 /* Determine the largest configuration that we can implement */
1932 for (i = 0; i < kms->catalog->sspp_count; i++) {
1933 const struct dpu_sspp_cfg *cfg = &kms->catalog->sspp[i];
1934
1935 if (test_bit(DPU_SSPP_INLINE_ROTATION, &cfg->features))
1936 has_inline_rotation = true;
1937
1938 if (!format_list ||
1939 cfg->sblk->csc_blk.len) {
1940 format_list = cfg->sblk->format_list;
1941 num_formats = cfg->sblk->num_formats;
1942 }
1943 }
1944
1945 plane = dpu_plane_init_common(dev, type, possible_crtcs,
1946 has_inline_rotation,
1947 format_list,
1948 num_formats,
1949 SSPP_NONE);
1950 if (IS_ERR(plane))
1951 return plane;
1952
1953 drm_plane_helper_add(plane, &dpu_plane_virtual_helper_funcs);
1954
1955 DPU_DEBUG("%s created virtual id:%u\n", plane->name, plane->base.id);
1956
1957 return plane;
1958 }
1959