1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved.
4 * Copyright (C) 2013 Red Hat
5 * Author: Rob Clark <robdclark@gmail.com>
6 */
7
8 #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
9
10 #include <linux/debugfs.h>
11 #include <linux/dma-buf.h>
12
13 #include <drm/drm_atomic.h>
14 #include <drm/drm_atomic_uapi.h>
15 #include <drm/drm_blend.h>
16 #include <drm/drm_damage_helper.h>
17 #include <drm/drm_framebuffer.h>
18 #include <drm/drm_gem_atomic_helper.h>
19
20 #include "msm_drv.h"
21 #include "msm_mdss.h"
22 #include "dpu_kms.h"
23 #include "dpu_hw_sspp.h"
24 #include "dpu_hw_util.h"
25 #include "dpu_trace.h"
26 #include "dpu_crtc.h"
27 #include "dpu_vbif.h"
28 #include "dpu_plane.h"
29
30 #define DPU_DEBUG_PLANE(pl, fmt, ...) DRM_DEBUG_ATOMIC("plane%d " fmt,\
31 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
32
33 #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\
34 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
35
36 #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci))
37 #define PHASE_STEP_SHIFT 21
38 #define PHASE_STEP_UNIT_SCALE ((int) (1 << PHASE_STEP_SHIFT))
39 #define PHASE_RESIDUAL 15
40
41 #define SHARP_STRENGTH_DEFAULT 32
42 #define SHARP_EDGE_THR_DEFAULT 112
43 #define SHARP_SMOOTH_THR_DEFAULT 8
44 #define SHARP_NOISE_THR_DEFAULT 2
45
46 #define DPU_PLANE_COLOR_FILL_FLAG BIT(31)
47 #define DPU_ZPOS_MAX 255
48
49 /*
50 * Default Preload Values
51 */
52 #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4
53 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3
54 #define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2
55 #define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4
56
57 #define DEFAULT_REFRESH_RATE 60
58
59 static const uint32_t qcom_compressed_supported_formats[] = {
60 DRM_FORMAT_ABGR8888,
61 DRM_FORMAT_ARGB8888,
62 DRM_FORMAT_XBGR8888,
63 DRM_FORMAT_XRGB8888,
64 DRM_FORMAT_ARGB2101010,
65 DRM_FORMAT_XRGB2101010,
66 DRM_FORMAT_BGR565,
67
68 DRM_FORMAT_NV12,
69 DRM_FORMAT_P010,
70 };
71
72 /*
73 * struct dpu_plane - local dpu plane structure
74 * @aspace: address space pointer
75 * @csc_ptr: Points to dpu_csc_cfg structure to use for current
76 * @catalog: Points to dpu catalog structure
77 * @revalidate: force revalidation of all the plane properties
78 */
79 struct dpu_plane {
80 struct drm_plane base;
81
82 enum dpu_sspp pipe;
83
84 uint32_t color_fill;
85 bool is_error;
86 bool is_rt_pipe;
87 const struct dpu_mdss_cfg *catalog;
88 };
89
90 static const uint64_t supported_format_modifiers[] = {
91 DRM_FORMAT_MOD_QCOM_COMPRESSED,
92 DRM_FORMAT_MOD_LINEAR,
93 DRM_FORMAT_MOD_INVALID
94 };
95
96 #define to_dpu_plane(x) container_of(x, struct dpu_plane, base)
97
_dpu_plane_get_kms(struct drm_plane * plane)98 static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane)
99 {
100 struct msm_drm_private *priv = plane->dev->dev_private;
101
102 return to_dpu_kms(priv->kms);
103 }
104
105 /**
106 * _dpu_plane_calc_bw - calculate bandwidth required for a plane
107 * @catalog: Points to dpu catalog structure
108 * @fmt: Pointer to source buffer format
109 * @mode: Pointer to drm display mode
110 * @pipe_cfg: Pointer to pipe configuration
111 * Result: Updates calculated bandwidth in the plane state.
112 * BW Equation: src_w * src_h * bpp * fps * (v_total / v_dest)
113 * Prefill BW Equation: line src bytes * line_time
114 */
_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)115 static u64 _dpu_plane_calc_bw(const struct dpu_mdss_cfg *catalog,
116 const struct msm_format *fmt,
117 const struct drm_display_mode *mode,
118 struct dpu_sw_pipe_cfg *pipe_cfg)
119 {
120 int src_width, src_height, dst_height, fps;
121 u64 plane_pixel_rate, plane_bit_rate;
122 u64 plane_prefill_bw;
123 u64 plane_bw;
124 u32 hw_latency_lines;
125 u64 scale_factor;
126 int vbp, vpw, vfp;
127
128 src_width = drm_rect_width(&pipe_cfg->src_rect);
129 src_height = drm_rect_height(&pipe_cfg->src_rect);
130 dst_height = drm_rect_height(&pipe_cfg->dst_rect);
131 fps = drm_mode_vrefresh(mode);
132 vbp = mode->vtotal - mode->vsync_end;
133 vpw = mode->vsync_end - mode->vsync_start;
134 vfp = mode->vsync_start - mode->vdisplay;
135 hw_latency_lines = catalog->perf->min_prefill_lines;
136 scale_factor = src_height > dst_height ?
137 mult_frac(src_height, 1, dst_height) : 1;
138
139 plane_pixel_rate = src_width * mode->vtotal * fps;
140 plane_bit_rate = plane_pixel_rate * fmt->bpp;
141
142 plane_bw = plane_bit_rate * scale_factor;
143
144 plane_prefill_bw = plane_bw * hw_latency_lines;
145
146 if ((vbp+vpw) > hw_latency_lines)
147 do_div(plane_prefill_bw, (vbp+vpw));
148 else if ((vbp+vpw+vfp) < hw_latency_lines)
149 do_div(plane_prefill_bw, (vbp+vpw+vfp));
150 else
151 do_div(plane_prefill_bw, hw_latency_lines);
152
153
154 return max(plane_bw, plane_prefill_bw);
155 }
156
157 /**
158 * _dpu_plane_calc_clk - calculate clock required for a plane
159 * @mode: Pointer to drm display mode
160 * @pipe_cfg: Pointer to pipe configuration
161 * Result: Updates calculated clock in the plane state.
162 * Clock equation: dst_w * v_total * fps * (src_h / dst_h)
163 */
_dpu_plane_calc_clk(const struct drm_display_mode * mode,struct dpu_sw_pipe_cfg * pipe_cfg)164 static u64 _dpu_plane_calc_clk(const struct drm_display_mode *mode,
165 struct dpu_sw_pipe_cfg *pipe_cfg)
166 {
167 int dst_width, src_height, dst_height, fps;
168 u64 plane_clk;
169
170 src_height = drm_rect_height(&pipe_cfg->src_rect);
171 dst_width = drm_rect_width(&pipe_cfg->dst_rect);
172 dst_height = drm_rect_height(&pipe_cfg->dst_rect);
173 fps = drm_mode_vrefresh(mode);
174
175 plane_clk =
176 dst_width * mode->vtotal * fps;
177
178 if (src_height > dst_height) {
179 plane_clk *= src_height;
180 do_div(plane_clk, dst_height);
181 }
182
183 return plane_clk;
184 }
185
186 /**
187 * _dpu_plane_calc_fill_level - calculate fill level of the given source format
188 * @plane: Pointer to drm plane
189 * @pipe: Pointer to software pipe
190 * @lut_usage: LUT usecase
191 * @fmt: Pointer to source buffer format
192 * @src_width: width of source buffer
193 * Return: fill level corresponding to the source buffer/format or 0 if error
194 */
_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)195 static int _dpu_plane_calc_fill_level(struct drm_plane *plane,
196 struct dpu_sw_pipe *pipe,
197 enum dpu_qos_lut_usage lut_usage,
198 const struct msm_format *fmt, u32 src_width)
199 {
200 struct dpu_plane *pdpu;
201 u32 fixed_buff_size;
202 u32 total_fl;
203
204 if (!fmt || !pipe || !src_width || !fmt->bpp) {
205 DPU_ERROR("invalid arguments\n");
206 return 0;
207 }
208
209 if (lut_usage == DPU_QOS_LUT_USAGE_NRT)
210 return 0;
211
212 pdpu = to_dpu_plane(plane);
213 fixed_buff_size = pdpu->catalog->caps->pixel_ram_size;
214
215 /* FIXME: in multirect case account for the src_width of all the planes */
216
217 if (fmt->fetch_type == MDP_PLANE_PSEUDO_PLANAR) {
218 if (fmt->chroma_sample == CHROMA_420) {
219 /* NV12 */
220 total_fl = (fixed_buff_size / 2) /
221 ((src_width + 32) * fmt->bpp);
222 } else {
223 /* non NV12 */
224 total_fl = (fixed_buff_size / 2) * 2 /
225 ((src_width + 32) * fmt->bpp);
226 }
227 } else {
228 if (pipe->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) {
229 total_fl = (fixed_buff_size / 2) * 2 /
230 ((src_width + 32) * fmt->bpp);
231 } else {
232 total_fl = (fixed_buff_size) * 2 /
233 ((src_width + 32) * fmt->bpp);
234 }
235 }
236
237 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc w:%u fl:%u\n",
238 pipe->sspp->idx - SSPP_VIG0,
239 &fmt->pixel_format,
240 src_width, total_fl);
241
242 return total_fl;
243 }
244
245 /**
246 * _dpu_plane_set_qos_lut - set QoS LUT of the given plane
247 * @plane: Pointer to drm plane
248 * @pipe: Pointer to software pipe
249 * @fmt: Pointer to source buffer format
250 * @pipe_cfg: Pointer to pipe configuration
251 */
_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)252 static void _dpu_plane_set_qos_lut(struct drm_plane *plane,
253 struct dpu_sw_pipe *pipe,
254 const struct msm_format *fmt, struct dpu_sw_pipe_cfg *pipe_cfg)
255 {
256 struct dpu_plane *pdpu = to_dpu_plane(plane);
257 struct dpu_hw_qos_cfg cfg;
258 u32 total_fl, lut_usage;
259
260 if (!pdpu->is_rt_pipe) {
261 lut_usage = DPU_QOS_LUT_USAGE_NRT;
262 } else {
263 if (fmt && MSM_FORMAT_IS_LINEAR(fmt))
264 lut_usage = DPU_QOS_LUT_USAGE_LINEAR;
265 else
266 lut_usage = DPU_QOS_LUT_USAGE_MACROTILE;
267 }
268
269 total_fl = _dpu_plane_calc_fill_level(plane, pipe, lut_usage, fmt,
270 drm_rect_width(&pipe_cfg->src_rect));
271
272 cfg.creq_lut = _dpu_hw_get_qos_lut(&pdpu->catalog->perf->qos_lut_tbl[lut_usage], total_fl);
273 cfg.danger_lut = pdpu->catalog->perf->danger_lut_tbl[lut_usage];
274 cfg.safe_lut = pdpu->catalog->perf->safe_lut_tbl[lut_usage];
275
276 if (pipe->sspp->idx != SSPP_CURSOR0 &&
277 pipe->sspp->idx != SSPP_CURSOR1 &&
278 pdpu->is_rt_pipe)
279 cfg.danger_safe_en = true;
280
281 DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n",
282 pdpu->pipe - SSPP_VIG0,
283 cfg.danger_safe_en,
284 pdpu->is_rt_pipe);
285
286 trace_dpu_perf_set_qos_luts(pipe->sspp->idx - SSPP_VIG0,
287 (fmt) ? fmt->pixel_format : 0,
288 pdpu->is_rt_pipe, total_fl, cfg.creq_lut, lut_usage);
289
290 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc rt:%d fl:%u lut:0x%llx\n",
291 pdpu->pipe - SSPP_VIG0,
292 fmt ? &fmt->pixel_format : NULL,
293 pdpu->is_rt_pipe, total_fl, cfg.creq_lut);
294
295 trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0,
296 (fmt) ? fmt->pixel_format : 0,
297 (fmt) ? fmt->fetch_mode : 0,
298 cfg.danger_lut,
299 cfg.safe_lut);
300
301 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc mode:%d luts[0x%x, 0x%x]\n",
302 pdpu->pipe - SSPP_VIG0,
303 fmt ? &fmt->pixel_format : NULL,
304 fmt ? fmt->fetch_mode : -1,
305 cfg.danger_lut,
306 cfg.safe_lut);
307
308 pipe->sspp->ops.setup_qos_lut(pipe->sspp, &cfg);
309 }
310
311 /**
312 * _dpu_plane_set_qos_ctrl - set QoS control of the given plane
313 * @plane: Pointer to drm plane
314 * @pipe: Pointer to software pipe
315 * @enable: true to enable QoS control
316 */
_dpu_plane_set_qos_ctrl(struct drm_plane * plane,struct dpu_sw_pipe * pipe,bool enable)317 static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
318 struct dpu_sw_pipe *pipe,
319 bool enable)
320 {
321 struct dpu_plane *pdpu = to_dpu_plane(plane);
322
323 if (!pdpu->is_rt_pipe)
324 enable = false;
325
326 DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n",
327 pdpu->pipe - SSPP_VIG0,
328 enable,
329 pdpu->is_rt_pipe);
330
331 pipe->sspp->ops.setup_qos_ctrl(pipe->sspp,
332 enable);
333 }
334
_dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp * sspp,struct dpu_hw_mdp * mdp,bool enable,bool * forced_on)335 static bool _dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp *sspp,
336 struct dpu_hw_mdp *mdp,
337 bool enable, bool *forced_on)
338 {
339 if (sspp->ops.setup_clk_force_ctrl) {
340 *forced_on = sspp->ops.setup_clk_force_ctrl(sspp, enable);
341 return true;
342 }
343
344 if (mdp->ops.setup_clk_force_ctrl) {
345 *forced_on = mdp->ops.setup_clk_force_ctrl(mdp, sspp->cap->clk_ctrl, enable);
346 return true;
347 }
348
349 return false;
350 }
351
352 /**
353 * _dpu_plane_set_ot_limit - set OT limit for the given plane
354 * @plane: Pointer to drm plane
355 * @pipe: Pointer to software pipe
356 * @pipe_cfg: Pointer to pipe configuration
357 * @frame_rate: CRTC's frame rate
358 */
_dpu_plane_set_ot_limit(struct drm_plane * plane,struct dpu_sw_pipe * pipe,struct dpu_sw_pipe_cfg * pipe_cfg,int frame_rate)359 static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
360 struct dpu_sw_pipe *pipe,
361 struct dpu_sw_pipe_cfg *pipe_cfg,
362 int frame_rate)
363 {
364 struct dpu_plane *pdpu = to_dpu_plane(plane);
365 struct dpu_vbif_set_ot_params ot_params;
366 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
367 bool forced_on = false;
368
369 memset(&ot_params, 0, sizeof(ot_params));
370 ot_params.xin_id = pipe->sspp->cap->xin_id;
371 ot_params.num = pipe->sspp->idx - SSPP_NONE;
372 ot_params.width = drm_rect_width(&pipe_cfg->src_rect);
373 ot_params.height = drm_rect_height(&pipe_cfg->src_rect);
374 ot_params.is_wfd = !pdpu->is_rt_pipe;
375 ot_params.frame_rate = frame_rate;
376 ot_params.vbif_idx = VBIF_RT;
377 ot_params.rd = true;
378
379 if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
380 true, &forced_on))
381 return;
382
383 dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
384
385 if (forced_on)
386 _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
387 false, &forced_on);
388 }
389
390 /**
391 * _dpu_plane_set_qos_remap - set vbif QoS for the given plane
392 * @plane: Pointer to drm plane
393 * @pipe: Pointer to software pipe
394 */
_dpu_plane_set_qos_remap(struct drm_plane * plane,struct dpu_sw_pipe * pipe)395 static void _dpu_plane_set_qos_remap(struct drm_plane *plane,
396 struct dpu_sw_pipe *pipe)
397 {
398 struct dpu_plane *pdpu = to_dpu_plane(plane);
399 struct dpu_vbif_set_qos_params qos_params;
400 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
401 bool forced_on = false;
402
403 memset(&qos_params, 0, sizeof(qos_params));
404 qos_params.vbif_idx = VBIF_RT;
405 qos_params.xin_id = pipe->sspp->cap->xin_id;
406 qos_params.num = pipe->sspp->idx - SSPP_VIG0;
407 qos_params.is_rt = pdpu->is_rt_pipe;
408
409 DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d\n",
410 qos_params.num,
411 qos_params.vbif_idx,
412 qos_params.xin_id, qos_params.is_rt);
413
414 if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
415 true, &forced_on))
416 return;
417
418 dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
419
420 if (forced_on)
421 _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
422 false, &forced_on);
423 }
424
_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)425 static void _dpu_plane_setup_scaler3(struct dpu_hw_sspp *pipe_hw,
426 uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h,
427 struct dpu_hw_scaler3_cfg *scale_cfg,
428 const struct msm_format *fmt,
429 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v,
430 unsigned int rotation)
431 {
432 uint32_t i;
433 bool inline_rotation = rotation & DRM_MODE_ROTATE_90;
434
435 /*
436 * For inline rotation cases, scaler config is post-rotation,
437 * so swap the dimensions here. However, pixel extension will
438 * need pre-rotation settings.
439 */
440 if (inline_rotation)
441 swap(src_w, src_h);
442
443 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] =
444 mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w);
445 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] =
446 mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h);
447
448
449 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] =
450 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v;
451 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] =
452 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h;
453
454 scale_cfg->phase_step_x[DPU_SSPP_COMP_2] =
455 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2];
456 scale_cfg->phase_step_y[DPU_SSPP_COMP_2] =
457 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2];
458
459 scale_cfg->phase_step_x[DPU_SSPP_COMP_3] =
460 scale_cfg->phase_step_x[DPU_SSPP_COMP_0];
461 scale_cfg->phase_step_y[DPU_SSPP_COMP_3] =
462 scale_cfg->phase_step_y[DPU_SSPP_COMP_0];
463
464 for (i = 0; i < DPU_MAX_PLANES; i++) {
465 scale_cfg->src_width[i] = src_w;
466 scale_cfg->src_height[i] = src_h;
467 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
468 scale_cfg->src_width[i] /= chroma_subsmpl_h;
469 scale_cfg->src_height[i] /= chroma_subsmpl_v;
470 }
471
472 if (pipe_hw->cap->sblk->scaler_blk.version >= 0x3000) {
473 scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H;
474 scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V;
475 } else {
476 scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H;
477 scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V;
478 }
479 }
480 if (!(MSM_FORMAT_IS_YUV(fmt)) && (src_h == dst_h)
481 && (src_w == dst_w))
482 return;
483
484 scale_cfg->dst_width = dst_w;
485 scale_cfg->dst_height = dst_h;
486 scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL;
487 scale_cfg->uv_filter_cfg = DPU_SCALE_BIL;
488 scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL;
489 scale_cfg->lut_flag = 0;
490 scale_cfg->blend_cfg = 1;
491 scale_cfg->enable = 1;
492 }
493
_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)494 static void _dpu_plane_setup_pixel_ext(struct dpu_hw_scaler3_cfg *scale_cfg,
495 struct dpu_hw_pixel_ext *pixel_ext,
496 uint32_t src_w, uint32_t src_h,
497 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
498 {
499 int i;
500
501 for (i = 0; i < DPU_MAX_PLANES; i++) {
502 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
503 src_w /= chroma_subsmpl_h;
504 src_h /= chroma_subsmpl_v;
505 }
506
507 pixel_ext->num_ext_pxls_top[i] = src_h;
508 pixel_ext->num_ext_pxls_left[i] = src_w;
509 }
510 }
511
_dpu_plane_get_csc(struct dpu_sw_pipe * pipe,const struct msm_format * fmt)512 static const struct dpu_csc_cfg *_dpu_plane_get_csc(struct dpu_sw_pipe *pipe,
513 const struct msm_format *fmt)
514 {
515 const struct dpu_csc_cfg *csc_ptr;
516
517 if (!MSM_FORMAT_IS_YUV(fmt))
518 return NULL;
519
520 if (BIT(DPU_SSPP_CSC_10BIT) & pipe->sspp->cap->features)
521 csc_ptr = &dpu_csc10_YUV2RGB_601L;
522 else
523 csc_ptr = &dpu_csc_YUV2RGB_601L;
524
525 return csc_ptr;
526 }
527
_dpu_plane_setup_scaler(struct dpu_sw_pipe * pipe,const struct msm_format * fmt,bool color_fill,struct dpu_sw_pipe_cfg * pipe_cfg)528 static void _dpu_plane_setup_scaler(struct dpu_sw_pipe *pipe,
529 const struct msm_format *fmt, bool color_fill,
530 struct dpu_sw_pipe_cfg *pipe_cfg)
531 {
532 struct dpu_hw_sspp *pipe_hw = pipe->sspp;
533 const struct drm_format_info *info = drm_format_info(fmt->pixel_format);
534 struct dpu_hw_scaler3_cfg scaler3_cfg;
535 struct dpu_hw_pixel_ext pixel_ext;
536 u32 src_width = drm_rect_width(&pipe_cfg->src_rect);
537 u32 src_height = drm_rect_height(&pipe_cfg->src_rect);
538 u32 dst_width = drm_rect_width(&pipe_cfg->dst_rect);
539 u32 dst_height = drm_rect_height(&pipe_cfg->dst_rect);
540
541 memset(&scaler3_cfg, 0, sizeof(scaler3_cfg));
542 memset(&pixel_ext, 0, sizeof(pixel_ext));
543
544 /* don't chroma subsample if decimating */
545 /* update scaler. calculate default config for QSEED3 */
546 _dpu_plane_setup_scaler3(pipe_hw,
547 src_width,
548 src_height,
549 dst_width,
550 dst_height,
551 &scaler3_cfg, fmt,
552 info->hsub, info->vsub,
553 pipe_cfg->rotation);
554
555 /* configure pixel extension based on scalar config */
556 _dpu_plane_setup_pixel_ext(&scaler3_cfg, &pixel_ext,
557 src_width, src_height, info->hsub, info->vsub);
558
559 if (pipe_hw->ops.setup_pe)
560 pipe_hw->ops.setup_pe(pipe_hw,
561 &pixel_ext);
562
563 /**
564 * when programmed in multirect mode, scalar block will be
565 * bypassed. Still we need to update alpha and bitwidth
566 * ONLY for RECT0
567 */
568 if (pipe_hw->ops.setup_scaler &&
569 pipe->multirect_index != DPU_SSPP_RECT_1)
570 pipe_hw->ops.setup_scaler(pipe_hw,
571 &scaler3_cfg,
572 fmt);
573 }
574
_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)575 static void _dpu_plane_color_fill_pipe(struct dpu_plane_state *pstate,
576 struct dpu_sw_pipe *pipe,
577 struct drm_rect *dst_rect,
578 u32 fill_color,
579 const struct msm_format *fmt)
580 {
581 struct dpu_sw_pipe_cfg pipe_cfg;
582
583 /* update sspp */
584 if (!pipe->sspp->ops.setup_solidfill)
585 return;
586
587 pipe->sspp->ops.setup_solidfill(pipe, fill_color);
588
589 /* override scaler/decimation if solid fill */
590 pipe_cfg.dst_rect = *dst_rect;
591
592 pipe_cfg.src_rect.x1 = 0;
593 pipe_cfg.src_rect.y1 = 0;
594 pipe_cfg.src_rect.x2 =
595 drm_rect_width(&pipe_cfg.dst_rect);
596 pipe_cfg.src_rect.y2 =
597 drm_rect_height(&pipe_cfg.dst_rect);
598
599 if (pipe->sspp->ops.setup_format)
600 pipe->sspp->ops.setup_format(pipe, fmt, DPU_SSPP_SOLID_FILL);
601
602 if (pipe->sspp->ops.setup_rects)
603 pipe->sspp->ops.setup_rects(pipe, &pipe_cfg);
604
605 _dpu_plane_setup_scaler(pipe, fmt, true, &pipe_cfg);
606 }
607
608 /**
609 * _dpu_plane_color_fill - enables color fill on plane
610 * @pdpu: Pointer to DPU plane object
611 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
612 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha
613 */
_dpu_plane_color_fill(struct dpu_plane * pdpu,uint32_t color,uint32_t alpha)614 static void _dpu_plane_color_fill(struct dpu_plane *pdpu,
615 uint32_t color, uint32_t alpha)
616 {
617 const struct msm_format *fmt;
618 const struct drm_plane *plane = &pdpu->base;
619 struct msm_drm_private *priv = plane->dev->dev_private;
620 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
621 u32 fill_color = (color & 0xFFFFFF) | ((alpha & 0xFF) << 24);
622
623 DPU_DEBUG_PLANE(pdpu, "\n");
624
625 /*
626 * select fill format to match user property expectation,
627 * h/w only supports RGB variants
628 */
629 fmt = mdp_get_format(priv->kms, DRM_FORMAT_ABGR8888, 0);
630 /* should not happen ever */
631 if (!fmt)
632 return;
633
634 /* update sspp */
635 _dpu_plane_color_fill_pipe(pstate, &pstate->pipe, &pstate->pipe_cfg.dst_rect,
636 fill_color, fmt);
637
638 if (pstate->r_pipe.sspp)
639 _dpu_plane_color_fill_pipe(pstate, &pstate->r_pipe, &pstate->r_pipe_cfg.dst_rect,
640 fill_color, fmt);
641 }
642
dpu_plane_prepare_fb(struct drm_plane * plane,struct drm_plane_state * new_state)643 static int dpu_plane_prepare_fb(struct drm_plane *plane,
644 struct drm_plane_state *new_state)
645 {
646 struct drm_framebuffer *fb = new_state->fb;
647 struct dpu_plane *pdpu = to_dpu_plane(plane);
648 struct dpu_plane_state *pstate = to_dpu_plane_state(new_state);
649 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
650 int ret;
651
652 if (!new_state->fb)
653 return 0;
654
655 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);
656
657 /* cache aspace */
658 pstate->aspace = kms->base.aspace;
659
660 /*
661 * TODO: Need to sort out the msm_framebuffer_prepare() call below so
662 * we can use msm_atomic_prepare_fb() instead of doing the
663 * implicit fence and fb prepare by hand here.
664 */
665 drm_gem_plane_helper_prepare_fb(plane, new_state);
666
667 if (pstate->aspace) {
668 ret = msm_framebuffer_prepare(new_state->fb,
669 pstate->aspace, pstate->needs_dirtyfb);
670 if (ret) {
671 DPU_ERROR("failed to prepare framebuffer\n");
672 return ret;
673 }
674 }
675
676 return 0;
677 }
678
dpu_plane_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)679 static void dpu_plane_cleanup_fb(struct drm_plane *plane,
680 struct drm_plane_state *old_state)
681 {
682 struct dpu_plane *pdpu = to_dpu_plane(plane);
683 struct dpu_plane_state *old_pstate;
684
685 if (!old_state || !old_state->fb)
686 return;
687
688 old_pstate = to_dpu_plane_state(old_state);
689
690 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id);
691
692 msm_framebuffer_cleanup(old_state->fb, old_pstate->aspace,
693 old_pstate->needs_dirtyfb);
694 }
695
dpu_plane_check_inline_rotation(struct dpu_plane * pdpu,struct dpu_sw_pipe * pipe,struct drm_rect src,const struct msm_format * fmt)696 static int dpu_plane_check_inline_rotation(struct dpu_plane *pdpu,
697 struct dpu_sw_pipe *pipe,
698 struct drm_rect src,
699 const struct msm_format *fmt)
700 {
701 const struct dpu_sspp_sub_blks *sblk = pipe->sspp->cap->sblk;
702 size_t num_formats;
703 const u32 *supported_formats;
704
705 if (!test_bit(DPU_SSPP_INLINE_ROTATION, &pipe->sspp->cap->features))
706 return -EINVAL;
707
708 if (!sblk->rotation_cfg) {
709 DPU_ERROR("invalid rotation cfg\n");
710 return -EINVAL;
711 }
712
713 if (drm_rect_width(&src) > sblk->rotation_cfg->rot_maxheight) {
714 DPU_DEBUG_PLANE(pdpu, "invalid height for inline rot:%d max:%d\n",
715 src.y2, sblk->rotation_cfg->rot_maxheight);
716 return -EINVAL;
717 }
718
719 supported_formats = sblk->rotation_cfg->rot_format_list;
720 num_formats = sblk->rotation_cfg->rot_num_formats;
721
722 if (!MSM_FORMAT_IS_UBWC(fmt) ||
723 !dpu_find_format(fmt->pixel_format, supported_formats, num_formats))
724 return -EINVAL;
725
726 return 0;
727 }
728
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)729 static int dpu_plane_atomic_check_pipe(struct dpu_plane *pdpu,
730 struct dpu_sw_pipe *pipe,
731 struct dpu_sw_pipe_cfg *pipe_cfg,
732 const struct drm_display_mode *mode,
733 struct drm_plane_state *new_plane_state)
734 {
735 uint32_t min_src_size;
736 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
737 int ret;
738 const struct msm_format *fmt;
739 uint32_t supported_rotations;
740 const struct dpu_sspp_cfg *pipe_hw_caps;
741 const struct dpu_sspp_sub_blks *sblk;
742
743 pipe_hw_caps = pipe->sspp->cap;
744 sblk = pipe->sspp->cap->sblk;
745
746 /*
747 * We already have verified scaling against platform limitations.
748 * Now check if the SSPP supports scaling at all.
749 */
750 if (!sblk->scaler_blk.len &&
751 ((drm_rect_width(&new_plane_state->src) >> 16 !=
752 drm_rect_width(&new_plane_state->dst)) ||
753 (drm_rect_height(&new_plane_state->src) >> 16 !=
754 drm_rect_height(&new_plane_state->dst))))
755 return -ERANGE;
756
757 fmt = msm_framebuffer_format(new_plane_state->fb);
758
759 supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0;
760
761 if (pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION))
762 supported_rotations |= DRM_MODE_ROTATE_90;
763
764 pipe_cfg->rotation = drm_rotation_simplify(new_plane_state->rotation,
765 supported_rotations);
766
767 min_src_size = MSM_FORMAT_IS_YUV(fmt) ? 2 : 1;
768
769 if (MSM_FORMAT_IS_YUV(fmt) &&
770 !pipe->sspp->cap->sblk->csc_blk.len) {
771 DPU_DEBUG_PLANE(pdpu,
772 "plane doesn't have csc for yuv\n");
773 return -EINVAL;
774 }
775
776 /* check src bounds */
777 if (drm_rect_width(&pipe_cfg->src_rect) < min_src_size ||
778 drm_rect_height(&pipe_cfg->src_rect) < min_src_size) {
779 DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
780 DRM_RECT_ARG(&pipe_cfg->src_rect));
781 return -E2BIG;
782 }
783
784 /* valid yuv image */
785 if (MSM_FORMAT_IS_YUV(fmt) &&
786 (pipe_cfg->src_rect.x1 & 0x1 ||
787 pipe_cfg->src_rect.y1 & 0x1 ||
788 drm_rect_width(&pipe_cfg->src_rect) & 0x1 ||
789 drm_rect_height(&pipe_cfg->src_rect) & 0x1)) {
790 DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n",
791 DRM_RECT_ARG(&pipe_cfg->src_rect));
792 return -EINVAL;
793 }
794
795 /* min dst support */
796 if (drm_rect_width(&pipe_cfg->dst_rect) < 0x1 ||
797 drm_rect_height(&pipe_cfg->dst_rect) < 0x1) {
798 DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n",
799 DRM_RECT_ARG(&pipe_cfg->dst_rect));
800 return -EINVAL;
801 }
802
803 if (pipe_cfg->rotation & DRM_MODE_ROTATE_90) {
804 ret = dpu_plane_check_inline_rotation(pdpu, pipe, pipe_cfg->src_rect, fmt);
805 if (ret)
806 return ret;
807 }
808
809 /* max clk check */
810 if (_dpu_plane_calc_clk(mode, pipe_cfg) > kms->perf.max_core_clk_rate) {
811 DPU_DEBUG_PLANE(pdpu, "plane exceeds max mdp core clk limits\n");
812 return -E2BIG;
813 }
814
815 return 0;
816 }
817
818 #define MAX_UPSCALE_RATIO 20
819 #define MAX_DOWNSCALE_RATIO 4
820
dpu_plane_atomic_check_nosspp(struct drm_plane * plane,struct drm_plane_state * new_plane_state,const struct drm_crtc_state * crtc_state)821 static int dpu_plane_atomic_check_nosspp(struct drm_plane *plane,
822 struct drm_plane_state *new_plane_state,
823 const struct drm_crtc_state *crtc_state)
824 {
825 int i, ret = 0, min_scale, max_scale;
826 struct dpu_plane *pdpu = to_dpu_plane(plane);
827 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
828 u64 max_mdp_clk_rate = kms->perf.max_core_clk_rate;
829 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
830 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
831 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
832 struct drm_rect fb_rect = { 0 };
833 uint32_t max_linewidth;
834
835 min_scale = FRAC_16_16(1, MAX_UPSCALE_RATIO);
836 max_scale = MAX_DOWNSCALE_RATIO << 16;
837
838 ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
839 min_scale,
840 max_scale,
841 true, true);
842 if (ret) {
843 DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
844 return ret;
845 }
846 if (!new_plane_state->visible)
847 return 0;
848
849 pstate->stage = DPU_STAGE_0 + pstate->base.normalized_zpos;
850 if (pstate->stage >= pdpu->catalog->caps->max_mixer_blendstages) {
851 DPU_ERROR("> %d plane stages assigned\n",
852 pdpu->catalog->caps->max_mixer_blendstages - DPU_STAGE_0);
853 return -EINVAL;
854 }
855
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 (!test_bit(DPU_SSPP_SMART_DMA_V1, &sspp->cap->features) &&
933 !test_bit(DPU_SSPP_SMART_DMA_V2, &sspp->cap->features))
934 return false;
935
936 return true;
937 }
938
dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg * pipe_cfg,const struct msm_format * fmt,uint32_t max_linewidth)939 static int dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg *pipe_cfg,
940 const struct msm_format *fmt,
941 uint32_t max_linewidth)
942 {
943 if (MSM_FORMAT_IS_UBWC(fmt) &&
944 drm_rect_width(&pipe_cfg->src_rect) > max_linewidth / 2)
945 return false;
946
947 return true;
948 }
949
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)950 static int dpu_plane_is_multirect_parallel_capable(struct dpu_hw_sspp *sspp,
951 struct dpu_sw_pipe_cfg *pipe_cfg,
952 const struct msm_format *fmt,
953 uint32_t max_linewidth)
954 {
955 return dpu_plane_is_multirect_capable(sspp, pipe_cfg, fmt) &&
956 dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth);
957 }
958
959
dpu_plane_atomic_check_sspp(struct drm_plane * plane,struct drm_atomic_state * state,const struct drm_crtc_state * crtc_state)960 static int dpu_plane_atomic_check_sspp(struct drm_plane *plane,
961 struct drm_atomic_state *state,
962 const struct drm_crtc_state *crtc_state)
963 {
964 struct drm_plane_state *new_plane_state =
965 drm_atomic_get_new_plane_state(state, plane);
966 struct dpu_plane *pdpu = to_dpu_plane(plane);
967 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
968 struct dpu_sw_pipe *pipe = &pstate->pipe;
969 struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
970 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
971 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
972 int ret = 0;
973
974 ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg,
975 &crtc_state->adjusted_mode,
976 new_plane_state);
977 if (ret)
978 return ret;
979
980 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) {
981 ret = dpu_plane_atomic_check_pipe(pdpu, r_pipe, r_pipe_cfg,
982 &crtc_state->adjusted_mode,
983 new_plane_state);
984 if (ret)
985 return ret;
986 }
987
988 return 0;
989 }
990
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)991 static bool dpu_plane_try_multirect_parallel(struct dpu_sw_pipe *pipe, struct dpu_sw_pipe_cfg *pipe_cfg,
992 struct dpu_sw_pipe *r_pipe, struct dpu_sw_pipe_cfg *r_pipe_cfg,
993 struct dpu_hw_sspp *sspp, const struct msm_format *fmt,
994 uint32_t max_linewidth)
995 {
996 r_pipe->sspp = NULL;
997
998 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
999 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1000
1001 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1002 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1003
1004 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) {
1005 if (!dpu_plane_is_multirect_parallel_capable(pipe->sspp, pipe_cfg, fmt, max_linewidth) ||
1006 !dpu_plane_is_multirect_parallel_capable(pipe->sspp, r_pipe_cfg, fmt, max_linewidth))
1007 return false;
1008
1009 r_pipe->sspp = pipe->sspp;
1010
1011 pipe->multirect_index = DPU_SSPP_RECT_0;
1012 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1013
1014 r_pipe->multirect_index = DPU_SSPP_RECT_1;
1015 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1016 }
1017
1018 return true;
1019 }
1020
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)1021 static int dpu_plane_try_multirect_shared(struct dpu_plane_state *pstate,
1022 struct dpu_plane_state *prev_adjacent_pstate,
1023 const struct msm_format *fmt,
1024 uint32_t max_linewidth)
1025 {
1026 struct dpu_sw_pipe *pipe = &pstate->pipe;
1027 struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1028 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
1029 struct dpu_sw_pipe *prev_pipe = &prev_adjacent_pstate->pipe;
1030 struct dpu_sw_pipe_cfg *prev_pipe_cfg = &prev_adjacent_pstate->pipe_cfg;
1031 const struct msm_format *prev_fmt = msm_framebuffer_format(prev_adjacent_pstate->base.fb);
1032 u16 max_tile_height = 1;
1033
1034 if (prev_adjacent_pstate->r_pipe.sspp != NULL ||
1035 prev_pipe->multirect_mode != DPU_SSPP_MULTIRECT_NONE)
1036 return false;
1037
1038 if (!dpu_plane_is_multirect_capable(pipe->sspp, pipe_cfg, fmt) ||
1039 !dpu_plane_is_multirect_capable(prev_pipe->sspp, prev_pipe_cfg, prev_fmt))
1040 return false;
1041
1042 if (MSM_FORMAT_IS_UBWC(fmt))
1043 max_tile_height = max(max_tile_height, fmt->tile_height);
1044
1045 if (MSM_FORMAT_IS_UBWC(prev_fmt))
1046 max_tile_height = max(max_tile_height, prev_fmt->tile_height);
1047
1048 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1049 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1050
1051 r_pipe->sspp = NULL;
1052
1053 if (dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth) &&
1054 dpu_plane_is_parallel_capable(prev_pipe_cfg, prev_fmt, max_linewidth) &&
1055 (pipe_cfg->dst_rect.x1 >= prev_pipe_cfg->dst_rect.x2 ||
1056 prev_pipe_cfg->dst_rect.x1 >= pipe_cfg->dst_rect.x2)) {
1057 pipe->sspp = prev_pipe->sspp;
1058
1059 pipe->multirect_index = DPU_SSPP_RECT_1;
1060 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1061
1062 prev_pipe->multirect_index = DPU_SSPP_RECT_0;
1063 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
1064
1065 return true;
1066 }
1067
1068 if (pipe_cfg->dst_rect.y1 >= prev_pipe_cfg->dst_rect.y2 + 2 * max_tile_height ||
1069 prev_pipe_cfg->dst_rect.y1 >= pipe_cfg->dst_rect.y2 + 2 * max_tile_height) {
1070 pipe->sspp = prev_pipe->sspp;
1071
1072 pipe->multirect_index = DPU_SSPP_RECT_1;
1073 pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
1074
1075 prev_pipe->multirect_index = DPU_SSPP_RECT_0;
1076 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
1077
1078 return true;
1079 }
1080
1081 return false;
1082 }
1083
dpu_plane_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1084 static int dpu_plane_atomic_check(struct drm_plane *plane,
1085 struct drm_atomic_state *state)
1086 {
1087 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
1088 plane);
1089 int ret = 0;
1090 struct dpu_plane *pdpu = to_dpu_plane(plane);
1091 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
1092 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1093 struct dpu_sw_pipe *pipe = &pstate->pipe;
1094 struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1095 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
1096 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
1097 const struct drm_crtc_state *crtc_state = NULL;
1098 uint32_t max_linewidth = dpu_kms->catalog->caps->max_linewidth;
1099
1100 if (new_plane_state->crtc)
1101 crtc_state = drm_atomic_get_new_crtc_state(state,
1102 new_plane_state->crtc);
1103
1104 pipe->sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe);
1105
1106 if (!pipe->sspp)
1107 return -EINVAL;
1108
1109 ret = dpu_plane_atomic_check_nosspp(plane, new_plane_state, crtc_state);
1110 if (ret)
1111 return ret;
1112
1113 if (!new_plane_state->visible)
1114 return 0;
1115
1116 if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
1117 pipe->sspp,
1118 msm_framebuffer_format(new_plane_state->fb),
1119 max_linewidth)) {
1120 DPU_DEBUG_PLANE(pdpu, "invalid " DRM_RECT_FMT " /" DRM_RECT_FMT
1121 " max_line:%u, can't use split source\n",
1122 DRM_RECT_ARG(&pipe_cfg->src_rect),
1123 DRM_RECT_ARG(&r_pipe_cfg->src_rect),
1124 max_linewidth);
1125 return -E2BIG;
1126 }
1127
1128 return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
1129 }
1130
dpu_plane_virtual_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1131 static int dpu_plane_virtual_atomic_check(struct drm_plane *plane,
1132 struct drm_atomic_state *state)
1133 {
1134 struct drm_plane_state *plane_state =
1135 drm_atomic_get_plane_state(state, plane);
1136 struct drm_plane_state *old_plane_state =
1137 drm_atomic_get_old_plane_state(state, plane);
1138 struct dpu_plane_state *pstate = to_dpu_plane_state(plane_state);
1139 struct drm_crtc_state *crtc_state;
1140 int ret;
1141
1142 if (IS_ERR(plane_state))
1143 return PTR_ERR(plane_state);
1144
1145 if (plane_state->crtc)
1146 crtc_state = drm_atomic_get_new_crtc_state(state,
1147 plane_state->crtc);
1148
1149 ret = dpu_plane_atomic_check_nosspp(plane, plane_state, crtc_state);
1150 if (ret)
1151 return ret;
1152
1153 if (!plane_state->visible) {
1154 /*
1155 * resources are freed by dpu_crtc_assign_plane_resources(),
1156 * but clean them here.
1157 */
1158 pstate->pipe.sspp = NULL;
1159 pstate->r_pipe.sspp = NULL;
1160
1161 return 0;
1162 }
1163
1164 /*
1165 * Force resource reallocation if the format of FB or src/dst have
1166 * changed. We might need to allocate different SSPP or SSPPs for this
1167 * plane than the one used previously.
1168 */
1169 if (!old_plane_state || !old_plane_state->fb ||
1170 old_plane_state->src_w != plane_state->src_w ||
1171 old_plane_state->src_h != plane_state->src_h ||
1172 old_plane_state->src_w != plane_state->src_w ||
1173 old_plane_state->crtc_h != plane_state->crtc_h ||
1174 msm_framebuffer_format(old_plane_state->fb) !=
1175 msm_framebuffer_format(plane_state->fb))
1176 crtc_state->planes_changed = true;
1177
1178 return 0;
1179 }
1180
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)1181 static int dpu_plane_virtual_assign_resources(struct drm_crtc *crtc,
1182 struct dpu_global_state *global_state,
1183 struct drm_atomic_state *state,
1184 struct drm_plane_state *plane_state,
1185 struct drm_plane_state *prev_adjacent_plane_state)
1186 {
1187 const struct drm_crtc_state *crtc_state = NULL;
1188 struct drm_plane *plane = plane_state->plane;
1189 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1190 struct dpu_rm_sspp_requirements reqs;
1191 struct dpu_plane_state *pstate, *prev_adjacent_pstate;
1192 struct dpu_sw_pipe *pipe;
1193 struct dpu_sw_pipe *r_pipe;
1194 struct dpu_sw_pipe_cfg *pipe_cfg;
1195 struct dpu_sw_pipe_cfg *r_pipe_cfg;
1196 const struct msm_format *fmt;
1197
1198 if (plane_state->crtc)
1199 crtc_state = drm_atomic_get_new_crtc_state(state,
1200 plane_state->crtc);
1201
1202 pstate = to_dpu_plane_state(plane_state);
1203 prev_adjacent_pstate = prev_adjacent_plane_state ?
1204 to_dpu_plane_state(prev_adjacent_plane_state) : NULL;
1205 pipe = &pstate->pipe;
1206 r_pipe = &pstate->r_pipe;
1207 pipe_cfg = &pstate->pipe_cfg;
1208 r_pipe_cfg = &pstate->r_pipe_cfg;
1209
1210 pipe->sspp = NULL;
1211 r_pipe->sspp = NULL;
1212
1213 if (!plane_state->fb)
1214 return -EINVAL;
1215
1216 fmt = msm_framebuffer_format(plane_state->fb);
1217 reqs.yuv = MSM_FORMAT_IS_YUV(fmt);
1218 reqs.scale = (plane_state->src_w >> 16 != plane_state->crtc_w) ||
1219 (plane_state->src_h >> 16 != plane_state->crtc_h);
1220
1221 reqs.rot90 = drm_rotation_90_or_270(plane_state->rotation);
1222
1223 if (drm_rect_width(&r_pipe_cfg->src_rect) == 0) {
1224 if (!prev_adjacent_pstate ||
1225 !dpu_plane_try_multirect_shared(pstate, prev_adjacent_pstate, fmt,
1226 dpu_kms->catalog->caps->max_linewidth)) {
1227 pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, &reqs);
1228 if (!pipe->sspp)
1229 return -ENODEV;
1230
1231 r_pipe->sspp = NULL;
1232
1233 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1234 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1235
1236 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1237 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1238 }
1239 } else {
1240 pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, &reqs);
1241 if (!pipe->sspp)
1242 return -ENODEV;
1243
1244 if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
1245 pipe->sspp,
1246 msm_framebuffer_format(plane_state->fb),
1247 dpu_kms->catalog->caps->max_linewidth)) {
1248 /* multirect is not possible, use two SSPP blocks */
1249 r_pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, &reqs);
1250 if (!r_pipe->sspp)
1251 return -ENODEV;
1252
1253 pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1254 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1255
1256 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1257 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1258 }
1259 }
1260
1261 return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
1262 }
1263
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)1264 int dpu_assign_plane_resources(struct dpu_global_state *global_state,
1265 struct drm_atomic_state *state,
1266 struct drm_crtc *crtc,
1267 struct drm_plane_state **states,
1268 unsigned int num_planes)
1269 {
1270 unsigned int i;
1271 struct drm_plane_state *prev_adjacent_plane_state = NULL;
1272
1273 for (i = 0; i < num_planes; i++) {
1274 struct drm_plane_state *plane_state = states[i];
1275
1276 if (!plane_state ||
1277 !plane_state->visible)
1278 continue;
1279
1280 int ret = dpu_plane_virtual_assign_resources(crtc, global_state,
1281 state, plane_state,
1282 prev_adjacent_plane_state);
1283 if (ret)
1284 break;
1285
1286 prev_adjacent_plane_state = plane_state;
1287 }
1288
1289 return 0;
1290 }
1291
dpu_plane_flush_csc(struct dpu_plane * pdpu,struct dpu_sw_pipe * pipe)1292 static void dpu_plane_flush_csc(struct dpu_plane *pdpu, struct dpu_sw_pipe *pipe)
1293 {
1294 const struct msm_format *format =
1295 msm_framebuffer_format(pdpu->base.state->fb);
1296 const struct dpu_csc_cfg *csc_ptr;
1297
1298 if (!pipe->sspp || !pipe->sspp->ops.setup_csc)
1299 return;
1300
1301 csc_ptr = _dpu_plane_get_csc(pipe, format);
1302 if (!csc_ptr)
1303 return;
1304
1305 DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
1306 csc_ptr->csc_mv[0],
1307 csc_ptr->csc_mv[1],
1308 csc_ptr->csc_mv[2]);
1309
1310 pipe->sspp->ops.setup_csc(pipe->sspp, csc_ptr);
1311
1312 }
1313
1314 /**
1315 * dpu_plane_flush - final plane operations before commit flush
1316 * @plane: Pointer to drm plane structure
1317 */
dpu_plane_flush(struct drm_plane * plane)1318 void dpu_plane_flush(struct drm_plane *plane)
1319 {
1320 struct dpu_plane *pdpu;
1321 struct dpu_plane_state *pstate;
1322
1323 if (!plane || !plane->state) {
1324 DPU_ERROR("invalid plane\n");
1325 return;
1326 }
1327
1328 pdpu = to_dpu_plane(plane);
1329 pstate = to_dpu_plane_state(plane->state);
1330
1331 /*
1332 * These updates have to be done immediately before the plane flush
1333 * timing, and may not be moved to the atomic_update/mode_set functions.
1334 */
1335 if (pdpu->is_error)
1336 /* force white frame with 100% alpha pipe output on error */
1337 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
1338 else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
1339 /* force 100% alpha */
1340 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
1341 else {
1342 dpu_plane_flush_csc(pdpu, &pstate->pipe);
1343 dpu_plane_flush_csc(pdpu, &pstate->r_pipe);
1344 }
1345
1346 /* flag h/w flush complete */
1347 if (plane->state)
1348 pstate->pending = false;
1349 }
1350
1351 /**
1352 * dpu_plane_set_error: enable/disable error condition
1353 * @plane: pointer to drm_plane structure
1354 * @error: error value to set
1355 */
dpu_plane_set_error(struct drm_plane * plane,bool error)1356 void dpu_plane_set_error(struct drm_plane *plane, bool error)
1357 {
1358 struct dpu_plane *pdpu;
1359
1360 if (!plane)
1361 return;
1362
1363 pdpu = to_dpu_plane(plane);
1364 pdpu->is_error = error;
1365 }
1366
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)1367 static void dpu_plane_sspp_update_pipe(struct drm_plane *plane,
1368 struct dpu_sw_pipe *pipe,
1369 struct dpu_sw_pipe_cfg *pipe_cfg,
1370 const struct msm_format *fmt,
1371 int frame_rate,
1372 struct dpu_hw_fmt_layout *layout)
1373 {
1374 uint32_t src_flags;
1375 struct dpu_plane *pdpu = to_dpu_plane(plane);
1376 struct drm_plane_state *state = plane->state;
1377 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1378
1379 if (layout && pipe->sspp->ops.setup_sourceaddress) {
1380 trace_dpu_plane_set_scanout(pipe, layout);
1381 pipe->sspp->ops.setup_sourceaddress(pipe, layout);
1382 }
1383
1384 /* override for color fill */
1385 if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
1386 _dpu_plane_set_qos_ctrl(plane, pipe, false);
1387
1388 /* skip remaining processing on color fill */
1389 return;
1390 }
1391
1392 if (pipe->sspp->ops.setup_rects) {
1393 pipe->sspp->ops.setup_rects(pipe,
1394 pipe_cfg);
1395 }
1396
1397 _dpu_plane_setup_scaler(pipe, fmt, false, pipe_cfg);
1398
1399 if (pipe->sspp->ops.setup_multirect)
1400 pipe->sspp->ops.setup_multirect(
1401 pipe);
1402
1403 if (pipe->sspp->ops.setup_format) {
1404 unsigned int rotation = pipe_cfg->rotation;
1405
1406 src_flags = 0x0;
1407
1408 if (rotation & DRM_MODE_REFLECT_X)
1409 src_flags |= DPU_SSPP_FLIP_LR;
1410
1411 if (rotation & DRM_MODE_REFLECT_Y)
1412 src_flags |= DPU_SSPP_FLIP_UD;
1413
1414 if (rotation & DRM_MODE_ROTATE_90)
1415 src_flags |= DPU_SSPP_ROT_90;
1416
1417 /* update format */
1418 pipe->sspp->ops.setup_format(pipe, fmt, src_flags);
1419
1420 if (pipe->sspp->ops.setup_cdp) {
1421 const struct dpu_perf_cfg *perf = pdpu->catalog->perf;
1422
1423 pipe->sspp->ops.setup_cdp(pipe, fmt,
1424 perf->cdp_cfg[DPU_PERF_CDP_USAGE_RT].rd_enable);
1425 }
1426 }
1427
1428 _dpu_plane_set_qos_lut(plane, pipe, fmt, pipe_cfg);
1429
1430 if (pipe->sspp->idx != SSPP_CURSOR0 &&
1431 pipe->sspp->idx != SSPP_CURSOR1)
1432 _dpu_plane_set_ot_limit(plane, pipe, pipe_cfg, frame_rate);
1433
1434 if (pstate->needs_qos_remap)
1435 _dpu_plane_set_qos_remap(plane, pipe);
1436 }
1437
dpu_plane_sspp_atomic_update(struct drm_plane * plane,struct drm_plane_state * new_state)1438 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane,
1439 struct drm_plane_state *new_state)
1440 {
1441 struct dpu_plane *pdpu = to_dpu_plane(plane);
1442 struct drm_plane_state *state = plane->state;
1443 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1444 struct dpu_sw_pipe *pipe = &pstate->pipe;
1445 struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1446 struct drm_crtc *crtc = state->crtc;
1447 struct drm_framebuffer *fb = state->fb;
1448 bool is_rt_pipe;
1449 const struct msm_format *fmt =
1450 msm_framebuffer_format(fb);
1451 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
1452 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
1453
1454 pstate->pending = true;
1455
1456 is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
1457 pstate->needs_qos_remap |= (is_rt_pipe != pdpu->is_rt_pipe);
1458 pdpu->is_rt_pipe = is_rt_pipe;
1459
1460 dpu_format_populate_addrs(pstate->aspace, new_state->fb, &pstate->layout);
1461
1462 DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
1463 ", %p4cc ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
1464 crtc->base.id, DRM_RECT_ARG(&state->dst),
1465 &fmt->pixel_format, MSM_FORMAT_IS_UBWC(fmt));
1466
1467 dpu_plane_sspp_update_pipe(plane, pipe, pipe_cfg, fmt,
1468 drm_mode_vrefresh(&crtc->mode),
1469 &pstate->layout);
1470
1471 if (r_pipe->sspp) {
1472 dpu_plane_sspp_update_pipe(plane, r_pipe, r_pipe_cfg, fmt,
1473 drm_mode_vrefresh(&crtc->mode),
1474 &pstate->layout);
1475 }
1476
1477 if (pstate->needs_qos_remap)
1478 pstate->needs_qos_remap = false;
1479
1480 pstate->plane_fetch_bw = _dpu_plane_calc_bw(pdpu->catalog, fmt,
1481 &crtc->mode, pipe_cfg);
1482
1483 pstate->plane_clk = _dpu_plane_calc_clk(&crtc->mode, pipe_cfg);
1484
1485 if (r_pipe->sspp) {
1486 pstate->plane_fetch_bw += _dpu_plane_calc_bw(pdpu->catalog, fmt, &crtc->mode, r_pipe_cfg);
1487
1488 pstate->plane_clk = max(pstate->plane_clk, _dpu_plane_calc_clk(&crtc->mode, r_pipe_cfg));
1489 }
1490 }
1491
_dpu_plane_atomic_disable(struct drm_plane * plane)1492 static void _dpu_plane_atomic_disable(struct drm_plane *plane)
1493 {
1494 struct drm_plane_state *state = plane->state;
1495 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1496 struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1497
1498 trace_dpu_plane_disable(DRMID(plane), false,
1499 pstate->pipe.multirect_mode);
1500
1501 if (r_pipe->sspp) {
1502 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
1503 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
1504
1505 if (r_pipe->sspp->ops.setup_multirect)
1506 r_pipe->sspp->ops.setup_multirect(r_pipe);
1507 }
1508
1509 pstate->pending = true;
1510 }
1511
dpu_plane_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)1512 static void dpu_plane_atomic_update(struct drm_plane *plane,
1513 struct drm_atomic_state *state)
1514 {
1515 struct dpu_plane *pdpu = to_dpu_plane(plane);
1516 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
1517 plane);
1518
1519 pdpu->is_error = false;
1520
1521 DPU_DEBUG_PLANE(pdpu, "\n");
1522
1523 if (!new_state->visible) {
1524 _dpu_plane_atomic_disable(plane);
1525 } else {
1526 dpu_plane_sspp_atomic_update(plane, new_state);
1527 }
1528 }
1529
dpu_plane_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)1530 static void dpu_plane_destroy_state(struct drm_plane *plane,
1531 struct drm_plane_state *state)
1532 {
1533 __drm_atomic_helper_plane_destroy_state(state);
1534 kfree(to_dpu_plane_state(state));
1535 }
1536
1537 static struct drm_plane_state *
dpu_plane_duplicate_state(struct drm_plane * plane)1538 dpu_plane_duplicate_state(struct drm_plane *plane)
1539 {
1540 struct dpu_plane *pdpu;
1541 struct dpu_plane_state *pstate;
1542 struct dpu_plane_state *old_state;
1543
1544 if (!plane) {
1545 DPU_ERROR("invalid plane\n");
1546 return NULL;
1547 } else if (!plane->state) {
1548 DPU_ERROR("invalid plane state\n");
1549 return NULL;
1550 }
1551
1552 old_state = to_dpu_plane_state(plane->state);
1553 pdpu = to_dpu_plane(plane);
1554 pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
1555 if (!pstate) {
1556 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1557 return NULL;
1558 }
1559
1560 DPU_DEBUG_PLANE(pdpu, "\n");
1561
1562 pstate->pending = false;
1563
1564 __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base);
1565
1566 return &pstate->base;
1567 }
1568
1569 static const char * const multirect_mode_name[] = {
1570 [DPU_SSPP_MULTIRECT_NONE] = "none",
1571 [DPU_SSPP_MULTIRECT_PARALLEL] = "parallel",
1572 [DPU_SSPP_MULTIRECT_TIME_MX] = "time_mx",
1573 };
1574
1575 static const char * const multirect_index_name[] = {
1576 [DPU_SSPP_RECT_SOLO] = "solo",
1577 [DPU_SSPP_RECT_0] = "rect_0",
1578 [DPU_SSPP_RECT_1] = "rect_1",
1579 };
1580
dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)1581 static const char *dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode)
1582 {
1583 if (WARN_ON(mode >= ARRAY_SIZE(multirect_mode_name)))
1584 return "unknown";
1585
1586 return multirect_mode_name[mode];
1587 }
1588
dpu_get_multirect_index(enum dpu_sspp_multirect_index index)1589 static const char *dpu_get_multirect_index(enum dpu_sspp_multirect_index index)
1590 {
1591 if (WARN_ON(index >= ARRAY_SIZE(multirect_index_name)))
1592 return "unknown";
1593
1594 return multirect_index_name[index];
1595 }
1596
dpu_plane_atomic_print_state(struct drm_printer * p,const struct drm_plane_state * state)1597 static void dpu_plane_atomic_print_state(struct drm_printer *p,
1598 const struct drm_plane_state *state)
1599 {
1600 const struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1601 const struct dpu_sw_pipe *pipe = &pstate->pipe;
1602 const struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
1603 const struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
1604 const struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->r_pipe_cfg;
1605
1606 drm_printf(p, "\tstage=%d\n", pstate->stage);
1607
1608 if (pipe->sspp) {
1609 drm_printf(p, "\tsspp[0]=%s\n", pipe->sspp->cap->name);
1610 drm_printf(p, "\tmultirect_mode[0]=%s\n",
1611 dpu_get_multirect_mode(pipe->multirect_mode));
1612 drm_printf(p, "\tmultirect_index[0]=%s\n",
1613 dpu_get_multirect_index(pipe->multirect_index));
1614 drm_printf(p, "\tsrc[0]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&pipe_cfg->src_rect));
1615 drm_printf(p, "\tdst[0]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&pipe_cfg->dst_rect));
1616 }
1617
1618 if (r_pipe->sspp) {
1619 drm_printf(p, "\tsspp[1]=%s\n", r_pipe->sspp->cap->name);
1620 drm_printf(p, "\tmultirect_mode[1]=%s\n",
1621 dpu_get_multirect_mode(r_pipe->multirect_mode));
1622 drm_printf(p, "\tmultirect_index[1]=%s\n",
1623 dpu_get_multirect_index(r_pipe->multirect_index));
1624 drm_printf(p, "\tsrc[1]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&r_pipe_cfg->src_rect));
1625 drm_printf(p, "\tdst[1]=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&r_pipe_cfg->dst_rect));
1626 }
1627 }
1628
dpu_plane_reset(struct drm_plane * plane)1629 static void dpu_plane_reset(struct drm_plane *plane)
1630 {
1631 struct dpu_plane *pdpu;
1632 struct dpu_plane_state *pstate;
1633
1634 if (!plane) {
1635 DPU_ERROR("invalid plane\n");
1636 return;
1637 }
1638
1639 pdpu = to_dpu_plane(plane);
1640 DPU_DEBUG_PLANE(pdpu, "\n");
1641
1642 /* remove previous state, if present */
1643 if (plane->state) {
1644 dpu_plane_destroy_state(plane, plane->state);
1645 plane->state = NULL;
1646 }
1647
1648 pstate = kzalloc(sizeof(*pstate), GFP_KERNEL);
1649 if (!pstate) {
1650 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1651 return;
1652 }
1653
1654 __drm_atomic_helper_plane_reset(plane, &pstate->base);
1655 }
1656
1657 #ifdef CONFIG_DEBUG_FS
dpu_plane_danger_signal_ctrl(struct drm_plane * plane,bool enable)1658 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
1659 {
1660 struct dpu_plane *pdpu = to_dpu_plane(plane);
1661 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
1662 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1663
1664 if (!pdpu->is_rt_pipe)
1665 return;
1666
1667 pm_runtime_get_sync(&dpu_kms->pdev->dev);
1668 _dpu_plane_set_qos_ctrl(plane, &pstate->pipe, enable);
1669 if (pstate->r_pipe.sspp)
1670 _dpu_plane_set_qos_ctrl(plane, &pstate->r_pipe, enable);
1671 pm_runtime_put_sync(&dpu_kms->pdev->dev);
1672 }
1673 #endif
1674
dpu_plane_format_mod_supported(struct drm_plane * plane,uint32_t format,uint64_t modifier)1675 static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
1676 uint32_t format, uint64_t modifier)
1677 {
1678 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1679 bool has_no_ubwc = (dpu_kms->mdss->ubwc_enc_version == 0) &&
1680 (dpu_kms->mdss->ubwc_dec_version == 0);
1681
1682 if (modifier == DRM_FORMAT_MOD_LINEAR)
1683 return true;
1684
1685 if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED && !has_no_ubwc)
1686 return dpu_find_format(format, qcom_compressed_supported_formats,
1687 ARRAY_SIZE(qcom_compressed_supported_formats));
1688
1689 return false;
1690 }
1691
1692 static const struct drm_plane_funcs dpu_plane_funcs = {
1693 .update_plane = drm_atomic_helper_update_plane,
1694 .disable_plane = drm_atomic_helper_disable_plane,
1695 .reset = dpu_plane_reset,
1696 .atomic_duplicate_state = dpu_plane_duplicate_state,
1697 .atomic_destroy_state = dpu_plane_destroy_state,
1698 .atomic_print_state = dpu_plane_atomic_print_state,
1699 .format_mod_supported = dpu_plane_format_mod_supported,
1700 };
1701
1702 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
1703 .prepare_fb = dpu_plane_prepare_fb,
1704 .cleanup_fb = dpu_plane_cleanup_fb,
1705 .atomic_check = dpu_plane_atomic_check,
1706 .atomic_update = dpu_plane_atomic_update,
1707 };
1708
1709 static const struct drm_plane_helper_funcs dpu_plane_virtual_helper_funcs = {
1710 .prepare_fb = dpu_plane_prepare_fb,
1711 .cleanup_fb = dpu_plane_cleanup_fb,
1712 .atomic_check = dpu_plane_virtual_atomic_check,
1713 .atomic_update = dpu_plane_atomic_update,
1714 };
1715
1716 /* 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)1717 static struct drm_plane *dpu_plane_init_common(struct drm_device *dev,
1718 enum drm_plane_type type,
1719 unsigned long possible_crtcs,
1720 bool inline_rotation,
1721 const uint32_t *format_list,
1722 uint32_t num_formats,
1723 enum dpu_sspp pipe)
1724 {
1725 struct drm_plane *plane = NULL;
1726 struct dpu_plane *pdpu;
1727 struct msm_drm_private *priv = dev->dev_private;
1728 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1729 uint32_t supported_rotations;
1730 int ret;
1731
1732 pdpu = drmm_universal_plane_alloc(dev, struct dpu_plane, base,
1733 0xff, &dpu_plane_funcs,
1734 format_list, num_formats,
1735 supported_format_modifiers, type, NULL);
1736 if (IS_ERR(pdpu))
1737 return ERR_CAST(pdpu);
1738
1739 /* cache local stuff for later */
1740 plane = &pdpu->base;
1741 pdpu->pipe = pipe;
1742
1743 pdpu->catalog = kms->catalog;
1744
1745 ret = drm_plane_create_zpos_property(plane, 0, 0, DPU_ZPOS_MAX);
1746 if (ret)
1747 DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
1748
1749 drm_plane_create_alpha_property(plane);
1750 drm_plane_create_blend_mode_property(plane,
1751 BIT(DRM_MODE_BLEND_PIXEL_NONE) |
1752 BIT(DRM_MODE_BLEND_PREMULTI) |
1753 BIT(DRM_MODE_BLEND_COVERAGE));
1754
1755 supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
1756
1757 if (inline_rotation)
1758 supported_rotations |= DRM_MODE_ROTATE_MASK;
1759
1760 drm_plane_create_rotation_property(plane,
1761 DRM_MODE_ROTATE_0, supported_rotations);
1762
1763 drm_plane_enable_fb_damage_clips(plane);
1764
1765 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
1766 pipe, plane->base.id);
1767 return plane;
1768 }
1769
1770 /**
1771 * dpu_plane_init - create new dpu plane for the given pipe
1772 * @dev: Pointer to DRM device
1773 * @pipe: dpu hardware pipe identifier
1774 * @type: Plane type - PRIMARY/OVERLAY/CURSOR
1775 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
1776 *
1777 * Initialize the plane.
1778 */
dpu_plane_init(struct drm_device * dev,uint32_t pipe,enum drm_plane_type type,unsigned long possible_crtcs)1779 struct drm_plane *dpu_plane_init(struct drm_device *dev,
1780 uint32_t pipe, enum drm_plane_type type,
1781 unsigned long possible_crtcs)
1782 {
1783 struct drm_plane *plane = NULL;
1784 struct msm_drm_private *priv = dev->dev_private;
1785 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1786 struct dpu_hw_sspp *pipe_hw;
1787
1788 /* initialize underlying h/w driver */
1789 pipe_hw = dpu_rm_get_sspp(&kms->rm, pipe);
1790 if (!pipe_hw || !pipe_hw->cap || !pipe_hw->cap->sblk) {
1791 DPU_ERROR("[%u]SSPP is invalid\n", pipe);
1792 return ERR_PTR(-EINVAL);
1793 }
1794
1795
1796 plane = dpu_plane_init_common(dev, type, possible_crtcs,
1797 pipe_hw->cap->features & BIT(DPU_SSPP_INLINE_ROTATION),
1798 pipe_hw->cap->sblk->format_list,
1799 pipe_hw->cap->sblk->num_formats,
1800 pipe);
1801 if (IS_ERR(plane))
1802 return plane;
1803
1804 drm_plane_helper_add(plane, &dpu_plane_helper_funcs);
1805
1806 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name,
1807 pipe, plane->base.id);
1808
1809 return plane;
1810 }
1811
1812 /**
1813 * dpu_plane_init_virtual - create new virtualized DPU plane
1814 * @dev: Pointer to DRM device
1815 * @type: Plane type - PRIMARY/OVERLAY/CURSOR
1816 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
1817 *
1818 * Initialize the virtual plane with no backing SSPP / pipe.
1819 */
dpu_plane_init_virtual(struct drm_device * dev,enum drm_plane_type type,unsigned long possible_crtcs)1820 struct drm_plane *dpu_plane_init_virtual(struct drm_device *dev,
1821 enum drm_plane_type type,
1822 unsigned long possible_crtcs)
1823 {
1824 struct drm_plane *plane = NULL;
1825 struct msm_drm_private *priv = dev->dev_private;
1826 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1827 bool has_inline_rotation = false;
1828 const u32 *format_list = NULL;
1829 u32 num_formats = 0;
1830 int i;
1831
1832 /* Determine the largest configuration that we can implement */
1833 for (i = 0; i < kms->catalog->sspp_count; i++) {
1834 const struct dpu_sspp_cfg *cfg = &kms->catalog->sspp[i];
1835
1836 if (test_bit(DPU_SSPP_INLINE_ROTATION, &cfg->features))
1837 has_inline_rotation = true;
1838
1839 if (!format_list ||
1840 cfg->sblk->csc_blk.len) {
1841 format_list = cfg->sblk->format_list;
1842 num_formats = cfg->sblk->num_formats;
1843 }
1844 }
1845
1846 plane = dpu_plane_init_common(dev, type, possible_crtcs,
1847 has_inline_rotation,
1848 format_list,
1849 num_formats,
1850 SSPP_NONE);
1851 if (IS_ERR(plane))
1852 return plane;
1853
1854 drm_plane_helper_add(plane, &dpu_plane_virtual_helper_funcs);
1855
1856 DPU_DEBUG("%s created virtual id:%u\n", plane->name, plane->base.id);
1857
1858 return plane;
1859 }
1860