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 drm_rect fb_rect = { 0 };
830 uint32_t max_linewidth;
831
832 min_scale = FRAC_16_16(1, MAX_UPSCALE_RATIO);
833 max_scale = MAX_DOWNSCALE_RATIO << 16;
834
835 ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
836 min_scale,
837 max_scale,
838 true, true);
839 if (ret) {
840 DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
841 return ret;
842 }
843 if (!new_plane_state->visible)
844 return 0;
845
846 pstate->stage = DPU_STAGE_0 + pstate->base.normalized_zpos;
847 if (pstate->stage >= pdpu->catalog->caps->max_mixer_blendstages) {
848 DPU_ERROR("> %d plane stages assigned\n",
849 pdpu->catalog->caps->max_mixer_blendstages - DPU_STAGE_0);
850 return -EINVAL;
851 }
852
853 /* move the assignment here, to ease handling to another pairs later */
854 pipe_cfg = &pstate->pipe_cfg[0];
855 r_pipe_cfg = &pstate->pipe_cfg[1];
856 /* state->src is 16.16, src_rect is not */
857 drm_rect_fp_to_int(&pipe_cfg->src_rect, &new_plane_state->src);
858
859 pipe_cfg->dst_rect = new_plane_state->dst;
860
861 fb_rect.x2 = new_plane_state->fb->width;
862 fb_rect.y2 = new_plane_state->fb->height;
863
864 /* Ensure fb size is supported */
865 if (drm_rect_width(&fb_rect) > DPU_MAX_IMG_WIDTH ||
866 drm_rect_height(&fb_rect) > DPU_MAX_IMG_HEIGHT) {
867 DPU_DEBUG_PLANE(pdpu, "invalid framebuffer " DRM_RECT_FMT "\n",
868 DRM_RECT_ARG(&fb_rect));
869 return -E2BIG;
870 }
871
872 ret = dpu_format_populate_plane_sizes(new_plane_state->fb, &pstate->layout);
873 if (ret) {
874 DPU_ERROR_PLANE(pdpu, "failed to get format plane sizes, %d\n", ret);
875 return ret;
876 }
877
878 for (i = 0; i < pstate->layout.num_planes; i++)
879 if (pstate->layout.plane_pitch[i] > DPU_SSPP_MAX_PITCH_SIZE)
880 return -E2BIG;
881
882 max_linewidth = pdpu->catalog->caps->max_linewidth;
883
884 drm_rect_rotate(&pipe_cfg->src_rect,
885 new_plane_state->fb->width, new_plane_state->fb->height,
886 new_plane_state->rotation);
887
888 if ((drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) ||
889 _dpu_plane_calc_clk(&crtc_state->adjusted_mode, pipe_cfg) > max_mdp_clk_rate) {
890 if (drm_rect_width(&pipe_cfg->src_rect) > 2 * max_linewidth) {
891 DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
892 DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth);
893 return -E2BIG;
894 }
895
896 *r_pipe_cfg = *pipe_cfg;
897 pipe_cfg->src_rect.x2 = (pipe_cfg->src_rect.x1 + pipe_cfg->src_rect.x2) >> 1;
898 pipe_cfg->dst_rect.x2 = (pipe_cfg->dst_rect.x1 + pipe_cfg->dst_rect.x2) >> 1;
899 r_pipe_cfg->src_rect.x1 = pipe_cfg->src_rect.x2;
900 r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2;
901 } else {
902 memset(r_pipe_cfg, 0, sizeof(*r_pipe_cfg));
903 }
904
905 drm_rect_rotate_inv(&pipe_cfg->src_rect,
906 new_plane_state->fb->width, new_plane_state->fb->height,
907 new_plane_state->rotation);
908 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0)
909 drm_rect_rotate_inv(&r_pipe_cfg->src_rect,
910 new_plane_state->fb->width, new_plane_state->fb->height,
911 new_plane_state->rotation);
912
913 pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state);
914
915 return 0;
916 }
917
dpu_plane_is_multirect_capable(struct dpu_hw_sspp * sspp,struct dpu_sw_pipe_cfg * pipe_cfg,const struct msm_format * fmt)918 static int dpu_plane_is_multirect_capable(struct dpu_hw_sspp *sspp,
919 struct dpu_sw_pipe_cfg *pipe_cfg,
920 const struct msm_format *fmt)
921 {
922 if (drm_rect_width(&pipe_cfg->src_rect) != drm_rect_width(&pipe_cfg->dst_rect) ||
923 drm_rect_height(&pipe_cfg->src_rect) != drm_rect_height(&pipe_cfg->dst_rect))
924 return false;
925
926 if (pipe_cfg->rotation & DRM_MODE_ROTATE_90)
927 return false;
928
929 if (MSM_FORMAT_IS_YUV(fmt))
930 return false;
931
932 if (!sspp)
933 return true;
934
935 if (!test_bit(DPU_SSPP_SMART_DMA_V1, &sspp->cap->features) &&
936 !test_bit(DPU_SSPP_SMART_DMA_V2, &sspp->cap->features))
937 return false;
938
939 return true;
940 }
941
dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg * pipe_cfg,const struct msm_format * fmt,uint32_t max_linewidth)942 static int dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg *pipe_cfg,
943 const struct msm_format *fmt,
944 uint32_t max_linewidth)
945 {
946 if (MSM_FORMAT_IS_UBWC(fmt) &&
947 drm_rect_width(&pipe_cfg->src_rect) > max_linewidth / 2)
948 return false;
949
950 return true;
951 }
952
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)953 static int dpu_plane_is_multirect_parallel_capable(struct dpu_hw_sspp *sspp,
954 struct dpu_sw_pipe_cfg *pipe_cfg,
955 const struct msm_format *fmt,
956 uint32_t max_linewidth)
957 {
958 return dpu_plane_is_multirect_capable(sspp, pipe_cfg, fmt) &&
959 dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth);
960 }
961
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)962 static bool dpu_plane_get_single_pipe_in_stage(struct dpu_plane_state *pstate,
963 struct dpu_sw_pipe **single_pipe,
964 struct dpu_sw_pipe_cfg **single_pipe_cfg,
965 int stage_index)
966 {
967 int pipe_idx;
968
969 pipe_idx = stage_index * PIPES_PER_STAGE;
970 if (drm_rect_width(&pstate->pipe_cfg[pipe_idx].src_rect) != 0 &&
971 drm_rect_width(&pstate->pipe_cfg[pipe_idx + 1].src_rect) == 0) {
972 *single_pipe = &pstate->pipe[pipe_idx];
973 *single_pipe_cfg = &pstate->pipe_cfg[pipe_idx];
974 return true;
975 }
976
977 return false;
978 }
979
dpu_plane_atomic_check_sspp(struct drm_plane * plane,struct drm_atomic_state * state,const struct drm_crtc_state * crtc_state)980 static int dpu_plane_atomic_check_sspp(struct drm_plane *plane,
981 struct drm_atomic_state *state,
982 const struct drm_crtc_state *crtc_state)
983 {
984 struct drm_plane_state *new_plane_state =
985 drm_atomic_get_new_plane_state(state, plane);
986 struct dpu_plane *pdpu = to_dpu_plane(plane);
987 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
988 struct dpu_sw_pipe *pipe = &pstate->pipe[0];
989 struct dpu_sw_pipe *r_pipe = &pstate->pipe[1];
990 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg[0];
991 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->pipe_cfg[1];
992 int ret = 0;
993
994 ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg,
995 &crtc_state->adjusted_mode,
996 new_plane_state);
997 if (ret)
998 return ret;
999
1000 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) {
1001 ret = dpu_plane_atomic_check_pipe(pdpu, r_pipe, r_pipe_cfg,
1002 &crtc_state->adjusted_mode,
1003 new_plane_state);
1004 if (ret)
1005 return ret;
1006 }
1007
1008 return 0;
1009 }
1010
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)1011 static bool dpu_plane_try_multirect_parallel(struct dpu_sw_pipe *pipe, struct dpu_sw_pipe_cfg *pipe_cfg,
1012 struct dpu_sw_pipe *r_pipe, struct dpu_sw_pipe_cfg *r_pipe_cfg,
1013 struct dpu_hw_sspp *sspp, const struct msm_format *fmt,
1014 uint32_t max_linewidth)
1015 {
1016 r_pipe->sspp = NULL;
1017
1018 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1019 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1020
1021 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1022 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1023
1024 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) {
1025 if (!dpu_plane_is_multirect_parallel_capable(pipe->sspp, pipe_cfg, fmt, max_linewidth) ||
1026 !dpu_plane_is_multirect_parallel_capable(pipe->sspp, r_pipe_cfg, fmt, max_linewidth))
1027 return false;
1028
1029 r_pipe->sspp = pipe->sspp;
1030
1031 pipe->multirect_index = DPU_SSPP_RECT_0;
1032 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1033
1034 r_pipe->multirect_index = DPU_SSPP_RECT_1;
1035 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1036 }
1037
1038 return true;
1039 }
1040
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)1041 static int dpu_plane_try_multirect_shared(struct dpu_plane_state *pstate,
1042 struct dpu_plane_state *prev_adjacent_pstate,
1043 const struct msm_format *fmt,
1044 uint32_t max_linewidth, int stage_index)
1045 {
1046 struct dpu_sw_pipe *pipe, *prev_pipe;
1047 struct dpu_sw_pipe_cfg *pipe_cfg, *prev_pipe_cfg;
1048 const struct msm_format *prev_fmt = msm_framebuffer_format(prev_adjacent_pstate->base.fb);
1049 u16 max_tile_height = 1;
1050
1051 if (!dpu_plane_get_single_pipe_in_stage(pstate, &pipe,
1052 &pipe_cfg, stage_index))
1053 return false;
1054
1055 if (!dpu_plane_get_single_pipe_in_stage(prev_adjacent_pstate,
1056 &prev_pipe, &prev_pipe_cfg,
1057 stage_index) ||
1058 prev_pipe->multirect_mode != DPU_SSPP_MULTIRECT_NONE)
1059 return false;
1060
1061 /* Do not validate SSPP of current plane when it is not ready */
1062 if (!dpu_plane_is_multirect_capable(pipe->sspp, pipe_cfg, fmt) ||
1063 !dpu_plane_is_multirect_capable(prev_pipe->sspp, prev_pipe_cfg, prev_fmt))
1064 return false;
1065
1066 if (MSM_FORMAT_IS_UBWC(fmt))
1067 max_tile_height = max(max_tile_height, fmt->tile_height);
1068
1069 if (MSM_FORMAT_IS_UBWC(prev_fmt))
1070 max_tile_height = max(max_tile_height, prev_fmt->tile_height);
1071
1072 if (dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth) &&
1073 dpu_plane_is_parallel_capable(prev_pipe_cfg, prev_fmt, max_linewidth) &&
1074 (pipe_cfg->dst_rect.x1 >= prev_pipe_cfg->dst_rect.x2 ||
1075 prev_pipe_cfg->dst_rect.x1 >= pipe_cfg->dst_rect.x2)) {
1076 pipe->sspp = prev_pipe->sspp;
1077
1078 pipe->multirect_index = DPU_SSPP_RECT_1;
1079 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1080
1081 prev_pipe->multirect_index = DPU_SSPP_RECT_0;
1082 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1083
1084 return true;
1085 }
1086
1087 if (pipe_cfg->dst_rect.y1 >= prev_pipe_cfg->dst_rect.y2 + 2 * max_tile_height ||
1088 prev_pipe_cfg->dst_rect.y1 >= pipe_cfg->dst_rect.y2 + 2 * max_tile_height) {
1089 pipe->sspp = prev_pipe->sspp;
1090
1091 pipe->multirect_index = DPU_SSPP_RECT_1;
1092 pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
1093
1094 prev_pipe->multirect_index = DPU_SSPP_RECT_0;
1095 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
1096
1097 return true;
1098 }
1099
1100 return false;
1101 }
1102
dpu_plane_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1103 static int dpu_plane_atomic_check(struct drm_plane *plane,
1104 struct drm_atomic_state *state)
1105 {
1106 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
1107 plane);
1108 int ret = 0;
1109 struct dpu_plane *pdpu = to_dpu_plane(plane);
1110 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
1111 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1112 struct dpu_sw_pipe *pipe = &pstate->pipe[0];
1113 struct dpu_sw_pipe *r_pipe = &pstate->pipe[1];
1114 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg[0];
1115 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->pipe_cfg[1];
1116 const struct drm_crtc_state *crtc_state = NULL;
1117 uint32_t max_linewidth = dpu_kms->catalog->caps->max_linewidth;
1118
1119 if (new_plane_state->crtc)
1120 crtc_state = drm_atomic_get_new_crtc_state(state,
1121 new_plane_state->crtc);
1122
1123 pipe->sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe);
1124
1125 if (!pipe->sspp)
1126 return -EINVAL;
1127
1128 ret = dpu_plane_atomic_check_nosspp(plane, new_plane_state, crtc_state);
1129 if (ret)
1130 return ret;
1131
1132 if (!new_plane_state->visible)
1133 return 0;
1134
1135 if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
1136 pipe->sspp,
1137 msm_framebuffer_format(new_plane_state->fb),
1138 max_linewidth)) {
1139 DPU_DEBUG_PLANE(pdpu, "invalid " DRM_RECT_FMT " /" DRM_RECT_FMT
1140 " max_line:%u, can't use split source\n",
1141 DRM_RECT_ARG(&pipe_cfg->src_rect),
1142 DRM_RECT_ARG(&r_pipe_cfg->src_rect),
1143 max_linewidth);
1144 return -E2BIG;
1145 }
1146
1147 return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
1148 }
1149
dpu_plane_virtual_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1150 static int dpu_plane_virtual_atomic_check(struct drm_plane *plane,
1151 struct drm_atomic_state *state)
1152 {
1153 struct drm_plane_state *plane_state =
1154 drm_atomic_get_plane_state(state, plane);
1155 struct drm_plane_state *old_plane_state =
1156 drm_atomic_get_old_plane_state(state, plane);
1157 struct dpu_plane_state *pstate = to_dpu_plane_state(plane_state);
1158 struct drm_crtc_state *crtc_state = NULL;
1159 int ret, i;
1160
1161 if (IS_ERR(plane_state))
1162 return PTR_ERR(plane_state);
1163
1164 if (plane_state->crtc)
1165 crtc_state = drm_atomic_get_new_crtc_state(state,
1166 plane_state->crtc);
1167
1168 ret = dpu_plane_atomic_check_nosspp(plane, plane_state, crtc_state);
1169 if (ret)
1170 return ret;
1171
1172 if (!plane_state->visible) {
1173 /*
1174 * resources are freed by dpu_crtc_assign_plane_resources(),
1175 * but clean them here.
1176 */
1177 for (i = 0; i < PIPES_PER_PLANE; i++)
1178 pstate->pipe[i].sspp = NULL;
1179
1180 return 0;
1181 }
1182
1183 /*
1184 * Force resource reallocation if the format of FB or src/dst have
1185 * changed. We might need to allocate different SSPP or SSPPs for this
1186 * plane than the one used previously.
1187 */
1188 if (!old_plane_state || !old_plane_state->fb ||
1189 old_plane_state->src_w != plane_state->src_w ||
1190 old_plane_state->src_h != plane_state->src_h ||
1191 old_plane_state->crtc_w != plane_state->crtc_w ||
1192 old_plane_state->crtc_h != plane_state->crtc_h ||
1193 msm_framebuffer_format(old_plane_state->fb) !=
1194 msm_framebuffer_format(plane_state->fb))
1195 crtc_state->planes_changed = true;
1196
1197 return 0;
1198 }
1199
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)1200 static int dpu_plane_assign_resource_in_stage(struct dpu_sw_pipe *pipe,
1201 struct dpu_sw_pipe_cfg *pipe_cfg,
1202 struct drm_plane_state *plane_state,
1203 struct dpu_global_state *global_state,
1204 struct drm_crtc *crtc,
1205 struct dpu_rm_sspp_requirements *reqs)
1206 {
1207 struct drm_plane *plane = plane_state->plane;
1208 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1209 struct dpu_sw_pipe *r_pipe = pipe + 1;
1210 struct dpu_sw_pipe_cfg *r_pipe_cfg = pipe_cfg + 1;
1211
1212 if (drm_rect_width(&pipe_cfg->src_rect) == 0)
1213 return 0;
1214
1215 pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs);
1216 if (!pipe->sspp)
1217 return -ENODEV;
1218 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1219 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1220
1221 if (drm_rect_width(&r_pipe_cfg->src_rect) == 0)
1222 return 0;
1223
1224 if (dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
1225 pipe->sspp,
1226 msm_framebuffer_format(plane_state->fb),
1227 dpu_kms->catalog->caps->max_linewidth))
1228 return 0;
1229
1230 r_pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs);
1231 if (!r_pipe->sspp)
1232 return -ENODEV;
1233 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1234 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1235
1236 return 0;
1237 }
1238
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)1239 static int dpu_plane_virtual_assign_resources(struct drm_crtc *crtc,
1240 struct dpu_global_state *global_state,
1241 struct drm_atomic_state *state,
1242 struct drm_plane_state *plane_state,
1243 struct drm_plane_state **prev_adjacent_plane_state)
1244 {
1245 const struct drm_crtc_state *crtc_state = NULL;
1246 struct drm_plane *plane = plane_state->plane;
1247 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1248 struct dpu_rm_sspp_requirements reqs;
1249 struct dpu_plane_state *pstate, *prev_adjacent_pstate[STAGES_PER_PLANE];
1250 struct dpu_sw_pipe *pipe;
1251 struct dpu_sw_pipe_cfg *pipe_cfg;
1252 const struct msm_format *fmt;
1253 int i, ret;
1254
1255 if (plane_state->crtc)
1256 crtc_state = drm_atomic_get_new_crtc_state(state,
1257 plane_state->crtc);
1258
1259 pstate = to_dpu_plane_state(plane_state);
1260 for (i = 0; i < STAGES_PER_PLANE; i++)
1261 prev_adjacent_pstate[i] = prev_adjacent_plane_state[i] ?
1262 to_dpu_plane_state(prev_adjacent_plane_state[i]) : NULL;
1263
1264 for (i = 0; i < PIPES_PER_PLANE; i++)
1265 pstate->pipe[i].sspp = NULL;
1266
1267 if (!plane_state->fb)
1268 return -EINVAL;
1269
1270 fmt = msm_framebuffer_format(plane_state->fb);
1271 reqs.yuv = MSM_FORMAT_IS_YUV(fmt);
1272 reqs.scale = (plane_state->src_w >> 16 != plane_state->crtc_w) ||
1273 (plane_state->src_h >> 16 != plane_state->crtc_h);
1274
1275 reqs.rot90 = drm_rotation_90_or_270(plane_state->rotation);
1276
1277 for (i = 0; i < STAGES_PER_PLANE; i++) {
1278 if (prev_adjacent_pstate[i] &&
1279 dpu_plane_try_multirect_shared(pstate, prev_adjacent_pstate[i], fmt,
1280 dpu_kms->catalog->caps->max_linewidth,
1281 i))
1282 continue;
1283
1284 if (dpu_plane_get_single_pipe_in_stage(pstate, &pipe, &pipe_cfg, i))
1285 prev_adjacent_plane_state[i] = plane_state;
1286
1287 pipe = &pstate->pipe[i * PIPES_PER_STAGE];
1288 pipe_cfg = &pstate->pipe_cfg[i * PIPES_PER_STAGE];
1289 ret = dpu_plane_assign_resource_in_stage(pipe, pipe_cfg,
1290 plane_state,
1291 global_state,
1292 crtc, &reqs);
1293 if (ret)
1294 return ret;
1295 }
1296
1297 return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
1298 }
1299
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)1300 int dpu_assign_plane_resources(struct dpu_global_state *global_state,
1301 struct drm_atomic_state *state,
1302 struct drm_crtc *crtc,
1303 struct drm_plane_state **states,
1304 unsigned int num_planes)
1305 {
1306 unsigned int i;
1307 struct drm_plane_state *prev_adjacent_plane_state[STAGES_PER_PLANE] = { NULL };
1308
1309 for (i = 0; i < num_planes; i++) {
1310 struct drm_plane_state *plane_state = states[i];
1311
1312 if (!plane_state ||
1313 !plane_state->visible)
1314 continue;
1315
1316 int ret = dpu_plane_virtual_assign_resources(crtc, global_state,
1317 state, plane_state,
1318 prev_adjacent_plane_state);
1319 if (ret)
1320 return ret;
1321 }
1322
1323 return 0;
1324 }
1325
dpu_plane_flush_csc(struct dpu_plane * pdpu,struct dpu_sw_pipe * pipe)1326 static void dpu_plane_flush_csc(struct dpu_plane *pdpu, struct dpu_sw_pipe *pipe)
1327 {
1328 const struct msm_format *format =
1329 msm_framebuffer_format(pdpu->base.state->fb);
1330 const struct dpu_csc_cfg *csc_ptr;
1331
1332 if (!pipe->sspp || !pipe->sspp->ops.setup_csc)
1333 return;
1334
1335 csc_ptr = _dpu_plane_get_csc(pipe, format);
1336 if (!csc_ptr)
1337 return;
1338
1339 DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
1340 csc_ptr->csc_mv[0],
1341 csc_ptr->csc_mv[1],
1342 csc_ptr->csc_mv[2]);
1343
1344 pipe->sspp->ops.setup_csc(pipe->sspp, csc_ptr);
1345
1346 }
1347
1348 /**
1349 * dpu_plane_flush - final plane operations before commit flush
1350 * @plane: Pointer to drm plane structure
1351 */
dpu_plane_flush(struct drm_plane * plane)1352 void dpu_plane_flush(struct drm_plane *plane)
1353 {
1354 struct dpu_plane *pdpu;
1355 struct dpu_plane_state *pstate;
1356 int i;
1357
1358 if (!plane || !plane->state) {
1359 DPU_ERROR("invalid plane\n");
1360 return;
1361 }
1362
1363 pdpu = to_dpu_plane(plane);
1364 pstate = to_dpu_plane_state(plane->state);
1365
1366 /*
1367 * These updates have to be done immediately before the plane flush
1368 * timing, and may not be moved to the atomic_update/mode_set functions.
1369 */
1370 if (pdpu->is_error)
1371 /* force white frame with 100% alpha pipe output on error */
1372 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
1373 else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
1374 /* force 100% alpha */
1375 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
1376 else {
1377 for (i = 0; i < PIPES_PER_PLANE; i++)
1378 dpu_plane_flush_csc(pdpu, &pstate->pipe[i]);
1379 }
1380
1381 /* flag h/w flush complete */
1382 if (plane->state)
1383 pstate->pending = false;
1384 }
1385
1386 /**
1387 * dpu_plane_set_error: enable/disable error condition
1388 * @plane: pointer to drm_plane structure
1389 * @error: error value to set
1390 */
dpu_plane_set_error(struct drm_plane * plane,bool error)1391 void dpu_plane_set_error(struct drm_plane *plane, bool error)
1392 {
1393 struct dpu_plane *pdpu;
1394
1395 if (!plane)
1396 return;
1397
1398 pdpu = to_dpu_plane(plane);
1399 pdpu->is_error = error;
1400 }
1401
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)1402 static void dpu_plane_sspp_update_pipe(struct drm_plane *plane,
1403 struct dpu_sw_pipe *pipe,
1404 struct dpu_sw_pipe_cfg *pipe_cfg,
1405 const struct msm_format *fmt,
1406 int frame_rate,
1407 struct dpu_hw_fmt_layout *layout)
1408 {
1409 uint32_t src_flags;
1410 struct dpu_plane *pdpu = to_dpu_plane(plane);
1411 struct drm_plane_state *state = plane->state;
1412 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1413
1414 if (layout && pipe->sspp->ops.setup_sourceaddress) {
1415 trace_dpu_plane_set_scanout(pipe, layout);
1416 pipe->sspp->ops.setup_sourceaddress(pipe, layout);
1417 }
1418
1419 /* override for color fill */
1420 if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
1421 _dpu_plane_set_qos_ctrl(plane, pipe, false);
1422
1423 /* skip remaining processing on color fill */
1424 return;
1425 }
1426
1427 if (pipe->sspp->ops.setup_rects) {
1428 pipe->sspp->ops.setup_rects(pipe,
1429 pipe_cfg);
1430 }
1431
1432 _dpu_plane_setup_scaler(pipe, fmt, false, pipe_cfg);
1433
1434 if (pipe->sspp->ops.setup_multirect)
1435 pipe->sspp->ops.setup_multirect(
1436 pipe);
1437
1438 if (pipe->sspp->ops.setup_format) {
1439 unsigned int rotation = pipe_cfg->rotation;
1440
1441 src_flags = 0x0;
1442
1443 if (rotation & DRM_MODE_REFLECT_X)
1444 src_flags |= DPU_SSPP_FLIP_LR;
1445
1446 if (rotation & DRM_MODE_REFLECT_Y)
1447 src_flags |= DPU_SSPP_FLIP_UD;
1448
1449 if (rotation & DRM_MODE_ROTATE_90)
1450 src_flags |= DPU_SSPP_ROT_90;
1451
1452 /* update format */
1453 pipe->sspp->ops.setup_format(pipe, fmt, src_flags);
1454
1455 if (pipe->sspp->ops.setup_cdp) {
1456 const struct dpu_perf_cfg *perf = pdpu->catalog->perf;
1457
1458 pipe->sspp->ops.setup_cdp(pipe, fmt,
1459 perf->cdp_cfg[DPU_PERF_CDP_USAGE_RT].rd_enable);
1460 }
1461 }
1462
1463 _dpu_plane_set_qos_lut(plane, pipe, fmt, pipe_cfg);
1464
1465 if (pipe->sspp->idx != SSPP_CURSOR0 &&
1466 pipe->sspp->idx != SSPP_CURSOR1)
1467 _dpu_plane_set_ot_limit(plane, pipe, pipe_cfg, frame_rate);
1468
1469 if (pstate->needs_qos_remap)
1470 _dpu_plane_set_qos_remap(plane, pipe);
1471 }
1472
dpu_plane_sspp_atomic_update(struct drm_plane * plane,struct drm_plane_state * new_state)1473 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane,
1474 struct drm_plane_state *new_state)
1475 {
1476 struct dpu_plane *pdpu = to_dpu_plane(plane);
1477 struct drm_plane_state *state = plane->state;
1478 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1479 struct drm_crtc *crtc = state->crtc;
1480 struct drm_framebuffer *fb = state->fb;
1481 bool is_rt_pipe;
1482 const struct msm_format *fmt =
1483 msm_framebuffer_format(fb);
1484 int i;
1485
1486 pstate->pending = true;
1487
1488 is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
1489 pstate->needs_qos_remap |= (is_rt_pipe != pdpu->is_rt_pipe);
1490 pdpu->is_rt_pipe = is_rt_pipe;
1491
1492 dpu_format_populate_addrs(new_state->fb, &pstate->layout);
1493
1494 DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
1495 ", %p4cc ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
1496 crtc->base.id, DRM_RECT_ARG(&state->dst),
1497 &fmt->pixel_format, MSM_FORMAT_IS_UBWC(fmt));
1498
1499 for (i = 0; i < PIPES_PER_PLANE; i++) {
1500 if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect))
1501 continue;
1502 dpu_plane_sspp_update_pipe(plane, &pstate->pipe[i],
1503 &pstate->pipe_cfg[i], fmt,
1504 drm_mode_vrefresh(&crtc->mode),
1505 &pstate->layout);
1506 }
1507
1508 if (pstate->needs_qos_remap)
1509 pstate->needs_qos_remap = false;
1510
1511 pstate->plane_fetch_bw = 0;
1512 pstate->plane_clk = 0;
1513 for (i = 0; i < PIPES_PER_PLANE; i++) {
1514 if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect))
1515 continue;
1516 pstate->plane_fetch_bw += _dpu_plane_calc_bw(pdpu->catalog, fmt,
1517 &crtc->mode, &pstate->pipe_cfg[i]);
1518
1519 pstate->plane_clk = max(pstate->plane_clk,
1520 _dpu_plane_calc_clk(&crtc->mode,
1521 &pstate->pipe_cfg[i]));
1522 }
1523 }
1524
_dpu_plane_atomic_disable(struct drm_plane * plane)1525 static void _dpu_plane_atomic_disable(struct drm_plane *plane)
1526 {
1527 struct drm_plane_state *state = plane->state;
1528 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1529 struct dpu_sw_pipe *pipe;
1530 int i;
1531
1532 for (i = 0; i < PIPES_PER_PLANE; i += 1) {
1533 pipe = &pstate->pipe[i];
1534 if (!pipe->sspp)
1535 continue;
1536
1537 trace_dpu_plane_disable(DRMID(plane), false,
1538 pstate->pipe[i].multirect_mode);
1539
1540 if (i % PIPES_PER_STAGE == 0)
1541 continue;
1542
1543 /*
1544 * clear multirect for the right pipe so that the SSPP
1545 * can be further reused in the solo mode
1546 */
1547 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1548 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1549 if (pipe->sspp->ops.setup_multirect)
1550 pipe->sspp->ops.setup_multirect(pipe);
1551 }
1552
1553 pstate->pending = true;
1554 }
1555
dpu_plane_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)1556 static void dpu_plane_atomic_update(struct drm_plane *plane,
1557 struct drm_atomic_state *state)
1558 {
1559 struct dpu_plane *pdpu = to_dpu_plane(plane);
1560 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
1561 plane);
1562
1563 pdpu->is_error = false;
1564
1565 DPU_DEBUG_PLANE(pdpu, "\n");
1566
1567 if (!new_state->visible) {
1568 _dpu_plane_atomic_disable(plane);
1569 } else {
1570 dpu_plane_sspp_atomic_update(plane, new_state);
1571 }
1572 }
1573
dpu_plane_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)1574 static void dpu_plane_destroy_state(struct drm_plane *plane,
1575 struct drm_plane_state *state)
1576 {
1577 __drm_atomic_helper_plane_destroy_state(state);
1578 kfree(to_dpu_plane_state(state));
1579 }
1580
1581 static struct drm_plane_state *
dpu_plane_duplicate_state(struct drm_plane * plane)1582 dpu_plane_duplicate_state(struct drm_plane *plane)
1583 {
1584 struct dpu_plane *pdpu;
1585 struct dpu_plane_state *pstate;
1586 struct dpu_plane_state *old_state;
1587
1588 if (!plane) {
1589 DPU_ERROR("invalid plane\n");
1590 return NULL;
1591 } else if (!plane->state) {
1592 DPU_ERROR("invalid plane state\n");
1593 return NULL;
1594 }
1595
1596 old_state = to_dpu_plane_state(plane->state);
1597 pdpu = to_dpu_plane(plane);
1598 pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
1599 if (!pstate) {
1600 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1601 return NULL;
1602 }
1603
1604 DPU_DEBUG_PLANE(pdpu, "\n");
1605
1606 pstate->pending = false;
1607
1608 __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base);
1609
1610 return &pstate->base;
1611 }
1612
1613 static const char * const multirect_mode_name[] = {
1614 [DPU_SSPP_MULTIRECT_NONE] = "none",
1615 [DPU_SSPP_MULTIRECT_PARALLEL] = "parallel",
1616 [DPU_SSPP_MULTIRECT_TIME_MX] = "time_mx",
1617 };
1618
1619 static const char * const multirect_index_name[] = {
1620 [DPU_SSPP_RECT_SOLO] = "solo",
1621 [DPU_SSPP_RECT_0] = "rect_0",
1622 [DPU_SSPP_RECT_1] = "rect_1",
1623 };
1624
dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)1625 static const char *dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)
1626 {
1627 if (WARN_ON(mode >= ARRAY_SIZE(multirect_mode_name)))
1628 return "unknown";
1629
1630 return multirect_mode_name[mode];
1631 }
1632
dpu_get_multirect_index(enum dpu_sspp_multirect_index index)1633 static const char *dpu_get_multirect_index(enum dpu_sspp_multirect_index index)
1634 {
1635 if (WARN_ON(index >= ARRAY_SIZE(multirect_index_name)))
1636 return "unknown";
1637
1638 return multirect_index_name[index];
1639 }
1640
dpu_plane_atomic_print_state(struct drm_printer * p,const struct drm_plane_state * state)1641 static void dpu_plane_atomic_print_state(struct drm_printer *p,
1642 const struct drm_plane_state *state)
1643 {
1644 const struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1645 const struct dpu_sw_pipe *pipe;
1646 const struct dpu_sw_pipe_cfg *pipe_cfg;
1647 int i;
1648
1649 drm_printf(p, "\tstage=%d\n", pstate->stage);
1650
1651 for (i = 0; i < PIPES_PER_PLANE; i++) {
1652 pipe = &pstate->pipe[i];
1653 if (!pipe->sspp)
1654 continue;
1655 pipe_cfg = &pstate->pipe_cfg[i];
1656 drm_printf(p, "\tsspp[%d]=%s\n", i, pipe->sspp->cap->name);
1657 drm_printf(p, "\tmultirect_mode[%d]=%s\n", i,
1658 dpu_get_multirect_mode(pipe->multirect_mode));
1659 drm_printf(p, "\tmultirect_index[%d]=%s\n", i,
1660 dpu_get_multirect_index(pipe->multirect_index));
1661 drm_printf(p, "\tsrc[%d]=" DRM_RECT_FMT "\n", i,
1662 DRM_RECT_ARG(&pipe_cfg->src_rect));
1663 drm_printf(p, "\tdst[%d]=" DRM_RECT_FMT "\n", i,
1664 DRM_RECT_ARG(&pipe_cfg->dst_rect));
1665 }
1666 }
1667
dpu_plane_reset(struct drm_plane * plane)1668 static void dpu_plane_reset(struct drm_plane *plane)
1669 {
1670 struct dpu_plane *pdpu;
1671 struct dpu_plane_state *pstate;
1672
1673 if (!plane) {
1674 DPU_ERROR("invalid plane\n");
1675 return;
1676 }
1677
1678 pdpu = to_dpu_plane(plane);
1679 DPU_DEBUG_PLANE(pdpu, "\n");
1680
1681 /* remove previous state, if present */
1682 if (plane->state) {
1683 dpu_plane_destroy_state(plane, plane->state);
1684 plane->state = NULL;
1685 }
1686
1687 pstate = kzalloc(sizeof(*pstate), GFP_KERNEL);
1688 if (!pstate) {
1689 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1690 return;
1691 }
1692
1693 __drm_atomic_helper_plane_reset(plane, &pstate->base);
1694 }
1695
1696 #ifdef CONFIG_DEBUG_FS
dpu_plane_danger_signal_ctrl(struct drm_plane * plane,bool enable)1697 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
1698 {
1699 struct dpu_plane *pdpu = to_dpu_plane(plane);
1700 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
1701 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1702 int i;
1703
1704 if (!pdpu->is_rt_pipe)
1705 return;
1706
1707 pm_runtime_get_sync(&dpu_kms->pdev->dev);
1708 for (i = 0; i < PIPES_PER_PLANE; i++) {
1709 if (!pstate->pipe[i].sspp)
1710 continue;
1711 _dpu_plane_set_qos_ctrl(plane, &pstate->pipe[i], enable);
1712 }
1713 pm_runtime_put_sync(&dpu_kms->pdev->dev);
1714 }
1715 #endif
1716
dpu_plane_format_mod_supported(struct drm_plane * plane,uint32_t format,uint64_t modifier)1717 static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
1718 uint32_t format, uint64_t modifier)
1719 {
1720 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1721 bool has_no_ubwc = (dpu_kms->mdss->ubwc_enc_version == 0) &&
1722 (dpu_kms->mdss->ubwc_dec_version == 0);
1723
1724 if (modifier == DRM_FORMAT_MOD_LINEAR)
1725 return true;
1726
1727 if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED && !has_no_ubwc)
1728 return dpu_find_format(format, qcom_compressed_supported_formats,
1729 ARRAY_SIZE(qcom_compressed_supported_formats));
1730
1731 return false;
1732 }
1733
1734 static const struct drm_plane_funcs dpu_plane_funcs = {
1735 .update_plane = drm_atomic_helper_update_plane,
1736 .disable_plane = drm_atomic_helper_disable_plane,
1737 .reset = dpu_plane_reset,
1738 .atomic_duplicate_state = dpu_plane_duplicate_state,
1739 .atomic_destroy_state = dpu_plane_destroy_state,
1740 .atomic_print_state = dpu_plane_atomic_print_state,
1741 .format_mod_supported = dpu_plane_format_mod_supported,
1742 };
1743
1744 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
1745 .prepare_fb = dpu_plane_prepare_fb,
1746 .cleanup_fb = dpu_plane_cleanup_fb,
1747 .atomic_check = dpu_plane_atomic_check,
1748 .atomic_update = dpu_plane_atomic_update,
1749 };
1750
1751 static const struct drm_plane_helper_funcs dpu_plane_virtual_helper_funcs = {
1752 .prepare_fb = dpu_plane_prepare_fb,
1753 .cleanup_fb = dpu_plane_cleanup_fb,
1754 .atomic_check = dpu_plane_virtual_atomic_check,
1755 .atomic_update = dpu_plane_atomic_update,
1756 };
1757
1758 /* 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)1759 static struct drm_plane *dpu_plane_init_common(struct drm_device *dev,
1760 enum drm_plane_type type,
1761 unsigned long possible_crtcs,
1762 bool inline_rotation,
1763 const uint32_t *format_list,
1764 uint32_t num_formats,
1765 enum dpu_sspp pipe)
1766 {
1767 struct drm_plane *plane = NULL;
1768 struct dpu_plane *pdpu;
1769 struct msm_drm_private *priv = dev->dev_private;
1770 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1771 uint32_t supported_rotations;
1772 int ret;
1773
1774 pdpu = drmm_universal_plane_alloc(dev, struct dpu_plane, base,
1775 0xff, &dpu_plane_funcs,
1776 format_list, num_formats,
1777 supported_format_modifiers, type, NULL);
1778 if (IS_ERR(pdpu))
1779 return ERR_CAST(pdpu);
1780
1781 /* cache local stuff for later */
1782 plane = &pdpu->base;
1783 pdpu->pipe = pipe;
1784
1785 pdpu->catalog = kms->catalog;
1786
1787 ret = drm_plane_create_zpos_property(plane, 0, 0, DPU_ZPOS_MAX);
1788 if (ret)
1789 DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
1790
1791 drm_plane_create_alpha_property(plane);
1792 drm_plane_create_blend_mode_property(plane,
1793 BIT(DRM_MODE_BLEND_PIXEL_NONE) |
1794 BIT(DRM_MODE_BLEND_PREMULTI) |
1795 BIT(DRM_MODE_BLEND_COVERAGE));
1796
1797 supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
1798
1799 if (inline_rotation)
1800 supported_rotations |= DRM_MODE_ROTATE_MASK;
1801
1802 drm_plane_create_rotation_property(plane,
1803 DRM_MODE_ROTATE_0, supported_rotations);
1804
1805 drm_plane_enable_fb_damage_clips(plane);
1806
1807 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
1808 pipe, plane->base.id);
1809 return plane;
1810 }
1811
1812 /**
1813 * dpu_plane_init - create new dpu plane for the given pipe
1814 * @dev: Pointer to DRM device
1815 * @pipe: dpu hardware pipe identifier
1816 * @type: Plane type - PRIMARY/OVERLAY/CURSOR
1817 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
1818 *
1819 * Initialize the plane.
1820 */
dpu_plane_init(struct drm_device * dev,uint32_t pipe,enum drm_plane_type type,unsigned long possible_crtcs)1821 struct drm_plane *dpu_plane_init(struct drm_device *dev,
1822 uint32_t pipe, enum drm_plane_type type,
1823 unsigned long possible_crtcs)
1824 {
1825 struct drm_plane *plane = NULL;
1826 struct msm_drm_private *priv = dev->dev_private;
1827 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1828 struct dpu_hw_sspp *pipe_hw;
1829
1830 /* initialize underlying h/w driver */
1831 pipe_hw = dpu_rm_get_sspp(&kms->rm, pipe);
1832 if (!pipe_hw || !pipe_hw->cap || !pipe_hw->cap->sblk) {
1833 DPU_ERROR("[%u]SSPP is invalid\n", pipe);
1834 return ERR_PTR(-EINVAL);
1835 }
1836
1837
1838 plane = dpu_plane_init_common(dev, type, possible_crtcs,
1839 pipe_hw->cap->features & BIT(DPU_SSPP_INLINE_ROTATION),
1840 pipe_hw->cap->sblk->format_list,
1841 pipe_hw->cap->sblk->num_formats,
1842 pipe);
1843 if (IS_ERR(plane))
1844 return plane;
1845
1846 drm_plane_helper_add(plane, &dpu_plane_helper_funcs);
1847
1848 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
1849 pipe, plane->base.id);
1850
1851 return plane;
1852 }
1853
1854 /**
1855 * dpu_plane_init_virtual - create new virtualized DPU plane
1856 * @dev: Pointer to DRM device
1857 * @type: Plane type - PRIMARY/OVERLAY/CURSOR
1858 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
1859 *
1860 * Initialize the virtual plane with no backing SSPP / pipe.
1861 */
dpu_plane_init_virtual(struct drm_device * dev,enum drm_plane_type type,unsigned long possible_crtcs)1862 struct drm_plane *dpu_plane_init_virtual(struct drm_device *dev,
1863 enum drm_plane_type type,
1864 unsigned long possible_crtcs)
1865 {
1866 struct drm_plane *plane = NULL;
1867 struct msm_drm_private *priv = dev->dev_private;
1868 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1869 bool has_inline_rotation = false;
1870 const u32 *format_list = NULL;
1871 u32 num_formats = 0;
1872 int i;
1873
1874 /* Determine the largest configuration that we can implement */
1875 for (i = 0; i < kms->catalog->sspp_count; i++) {
1876 const struct dpu_sspp_cfg *cfg = &kms->catalog->sspp[i];
1877
1878 if (test_bit(DPU_SSPP_INLINE_ROTATION, &cfg->features))
1879 has_inline_rotation = true;
1880
1881 if (!format_list ||
1882 cfg->sblk->csc_blk.len) {
1883 format_list = cfg->sblk->format_list;
1884 num_formats = cfg->sblk->num_formats;
1885 }
1886 }
1887
1888 plane = dpu_plane_init_common(dev, type, possible_crtcs,
1889 has_inline_rotation,
1890 format_list,
1891 num_formats,
1892 SSPP_NONE);
1893 if (IS_ERR(plane))
1894 return plane;
1895
1896 drm_plane_helper_add(plane, &dpu_plane_virtual_helper_funcs);
1897
1898 DPU_DEBUG("%s created virtual id:%u\n", plane->name, plane->base.id);
1899
1900 return plane;
1901 }
1902