2 * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved.
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>.
19 #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
21 #include <linux/debugfs.h>
22 #include <linux/dma-buf.h>
24 #include <drm/drm_atomic_uapi.h>
28 #include "dpu_formats.h"
29 #include "dpu_hw_sspp.h"
30 #include "dpu_hw_catalog_format.h"
31 #include "dpu_trace.h"
34 #include "dpu_plane.h"
36 #define DPU_DEBUG_PLANE(pl, fmt, ...) DPU_DEBUG("plane%d " fmt,\
37 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
39 #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\
40 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__)
42 #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci))
43 #define PHASE_STEP_SHIFT 21
44 #define PHASE_STEP_UNIT_SCALE ((int) (1 << PHASE_STEP_SHIFT))
45 #define PHASE_RESIDUAL 15
47 #define SHARP_STRENGTH_DEFAULT 32
48 #define SHARP_EDGE_THR_DEFAULT 112
49 #define SHARP_SMOOTH_THR_DEFAULT 8
50 #define SHARP_NOISE_THR_DEFAULT 2
52 #define DPU_NAME_SIZE 12
54 #define DPU_PLANE_COLOR_FILL_FLAG BIT(31)
55 #define DPU_ZPOS_MAX 255
57 /* multirect rect index */
64 #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4
65 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3
67 #define DEFAULT_REFRESH_RATE 60
70 * enum dpu_plane_qos - Different qos configurations for each pipe
72 * @DPU_PLANE_QOS_VBLANK_CTRL: Setup VBLANK qos for the pipe.
73 * @DPU_PLANE_QOS_VBLANK_AMORTIZE: Enables Amortization within pipe.
74 * this configuration is mutually exclusive from VBLANK_CTRL.
75 * @DPU_PLANE_QOS_PANIC_CTRL: Setup panic for the pipe.
78 DPU_PLANE_QOS_VBLANK_CTRL = BIT(0),
79 DPU_PLANE_QOS_VBLANK_AMORTIZE = BIT(1),
80 DPU_PLANE_QOS_PANIC_CTRL = BIT(2),
84 * struct dpu_plane - local dpu plane structure
85 * @aspace: address space pointer
86 * @csc_ptr: Points to dpu_csc_cfg structure to use for current
87 * @mplane_list: List of multirect planes of the same pipe
88 * @catalog: Points to dpu catalog structure
89 * @revalidate: force revalidation of all the plane properties
92 struct drm_plane base;
97 uint32_t features; /* capabilities from catalog */
99 struct dpu_hw_pipe *pipe_hw;
100 struct dpu_hw_pipe_cfg pipe_cfg;
101 struct dpu_hw_pipe_qos_cfg pipe_qos_cfg;
106 struct list_head mplane_list;
107 struct dpu_mdss_cfg *catalog;
109 struct dpu_csc_cfg *csc_ptr;
111 const struct dpu_sspp_sub_blks *pipe_sblk;
112 char pipe_name[DPU_NAME_SIZE];
114 /* debugfs related stuff */
115 struct dentry *debugfs_root;
116 struct dpu_debugfs_regset32 debugfs_src;
117 struct dpu_debugfs_regset32 debugfs_scaler;
118 struct dpu_debugfs_regset32 debugfs_csc;
119 bool debugfs_default_scale;
122 static const uint64_t supported_format_modifiers[] = {
123 DRM_FORMAT_MOD_QCOM_COMPRESSED,
124 DRM_FORMAT_MOD_LINEAR,
125 DRM_FORMAT_MOD_INVALID
128 #define to_dpu_plane(x) container_of(x, struct dpu_plane, base)
130 static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane)
132 struct msm_drm_private *priv = plane->dev->dev_private;
134 return to_dpu_kms(priv->kms);
138 * _dpu_plane_calc_fill_level - calculate fill level of the given source format
139 * @plane: Pointer to drm plane
140 * @fmt: Pointer to source buffer format
141 * @src_wdith: width of source buffer
142 * Return: fill level corresponding to the source buffer/format or 0 if error
144 static int _dpu_plane_calc_fill_level(struct drm_plane *plane,
145 const struct dpu_format *fmt, u32 src_width)
147 struct dpu_plane *pdpu, *tmp;
148 struct dpu_plane_state *pstate;
152 if (!fmt || !plane->state || !src_width || !fmt->bpp) {
153 DPU_ERROR("invalid arguments\n");
157 pdpu = to_dpu_plane(plane);
158 pstate = to_dpu_plane_state(plane->state);
159 fixed_buff_size = pdpu->pipe_sblk->common->pixel_ram_size;
161 list_for_each_entry(tmp, &pdpu->mplane_list, mplane_list) {
162 if (!tmp->base.state->visible)
164 DPU_DEBUG("plane%d/%d src_width:%d/%d\n",
165 pdpu->base.base.id, tmp->base.base.id,
167 drm_rect_width(&tmp->pipe_cfg.src_rect));
168 src_width = max_t(u32, src_width,
169 drm_rect_width(&tmp->pipe_cfg.src_rect));
172 if (fmt->fetch_planes == DPU_PLANE_PSEUDO_PLANAR) {
173 if (fmt->chroma_sample == DPU_CHROMA_420) {
175 total_fl = (fixed_buff_size / 2) /
176 ((src_width + 32) * fmt->bpp);
179 total_fl = (fixed_buff_size / 2) * 2 /
180 ((src_width + 32) * fmt->bpp);
183 if (pstate->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) {
184 total_fl = (fixed_buff_size / 2) * 2 /
185 ((src_width + 32) * fmt->bpp);
187 total_fl = (fixed_buff_size) * 2 /
188 ((src_width + 32) * fmt->bpp);
192 DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s w:%u fl:%u\n",
193 plane->base.id, pdpu->pipe - SSPP_VIG0,
194 (char *)&fmt->base.pixel_format,
195 src_width, total_fl);
201 * _dpu_plane_get_qos_lut - get LUT mapping based on fill level
202 * @tbl: Pointer to LUT table
203 * @total_fl: fill level
204 * Return: LUT setting corresponding to the fill level
206 static u64 _dpu_plane_get_qos_lut(const struct dpu_qos_lut_tbl *tbl,
211 if (!tbl || !tbl->nentry || !tbl->entries)
214 for (i = 0; i < tbl->nentry; i++)
215 if (total_fl <= tbl->entries[i].fl)
216 return tbl->entries[i].lut;
218 /* if last fl is zero, use as default */
219 if (!tbl->entries[i-1].fl)
220 return tbl->entries[i-1].lut;
226 * _dpu_plane_set_qos_lut - set QoS LUT of the given plane
227 * @plane: Pointer to drm plane
228 * @fb: Pointer to framebuffer associated with the given plane
230 static void _dpu_plane_set_qos_lut(struct drm_plane *plane,
231 struct drm_framebuffer *fb)
233 struct dpu_plane *pdpu = to_dpu_plane(plane);
234 const struct dpu_format *fmt = NULL;
236 u32 total_fl = 0, lut_usage;
238 if (!pdpu->is_rt_pipe) {
239 lut_usage = DPU_QOS_LUT_USAGE_NRT;
241 fmt = dpu_get_dpu_format_ext(
244 total_fl = _dpu_plane_calc_fill_level(plane, fmt,
245 drm_rect_width(&pdpu->pipe_cfg.src_rect));
247 if (fmt && DPU_FORMAT_IS_LINEAR(fmt))
248 lut_usage = DPU_QOS_LUT_USAGE_LINEAR;
250 lut_usage = DPU_QOS_LUT_USAGE_MACROTILE;
253 qos_lut = _dpu_plane_get_qos_lut(
254 &pdpu->catalog->perf.qos_lut_tbl[lut_usage], total_fl);
256 pdpu->pipe_qos_cfg.creq_lut = qos_lut;
258 trace_dpu_perf_set_qos_luts(pdpu->pipe - SSPP_VIG0,
259 (fmt) ? fmt->base.pixel_format : 0,
260 pdpu->is_rt_pipe, total_fl, qos_lut, lut_usage);
262 DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s rt:%d fl:%u lut:0x%llx\n",
264 pdpu->pipe - SSPP_VIG0,
265 fmt ? (char *)&fmt->base.pixel_format : NULL,
266 pdpu->is_rt_pipe, total_fl, qos_lut);
268 pdpu->pipe_hw->ops.setup_creq_lut(pdpu->pipe_hw, &pdpu->pipe_qos_cfg);
272 * _dpu_plane_set_panic_lut - set danger/safe LUT of the given plane
273 * @plane: Pointer to drm plane
274 * @fb: Pointer to framebuffer associated with the given plane
276 static void _dpu_plane_set_danger_lut(struct drm_plane *plane,
277 struct drm_framebuffer *fb)
279 struct dpu_plane *pdpu = to_dpu_plane(plane);
280 const struct dpu_format *fmt = NULL;
281 u32 danger_lut, safe_lut;
283 if (!pdpu->is_rt_pipe) {
284 danger_lut = pdpu->catalog->perf.danger_lut_tbl
285 [DPU_QOS_LUT_USAGE_NRT];
286 safe_lut = pdpu->catalog->perf.safe_lut_tbl
287 [DPU_QOS_LUT_USAGE_NRT];
289 fmt = dpu_get_dpu_format_ext(
293 if (fmt && DPU_FORMAT_IS_LINEAR(fmt)) {
294 danger_lut = pdpu->catalog->perf.danger_lut_tbl
295 [DPU_QOS_LUT_USAGE_LINEAR];
296 safe_lut = pdpu->catalog->perf.safe_lut_tbl
297 [DPU_QOS_LUT_USAGE_LINEAR];
299 danger_lut = pdpu->catalog->perf.danger_lut_tbl
300 [DPU_QOS_LUT_USAGE_MACROTILE];
301 safe_lut = pdpu->catalog->perf.safe_lut_tbl
302 [DPU_QOS_LUT_USAGE_MACROTILE];
306 pdpu->pipe_qos_cfg.danger_lut = danger_lut;
307 pdpu->pipe_qos_cfg.safe_lut = safe_lut;
309 trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0,
310 (fmt) ? fmt->base.pixel_format : 0,
311 (fmt) ? fmt->fetch_mode : 0,
312 pdpu->pipe_qos_cfg.danger_lut,
313 pdpu->pipe_qos_cfg.safe_lut);
315 DPU_DEBUG("plane%u: pnum:%d fmt: %4.4s mode:%d luts[0x%x, 0x%x]\n",
317 pdpu->pipe - SSPP_VIG0,
318 fmt ? (char *)&fmt->base.pixel_format : NULL,
319 fmt ? fmt->fetch_mode : -1,
320 pdpu->pipe_qos_cfg.danger_lut,
321 pdpu->pipe_qos_cfg.safe_lut);
323 pdpu->pipe_hw->ops.setup_danger_safe_lut(pdpu->pipe_hw,
324 &pdpu->pipe_qos_cfg);
328 * _dpu_plane_set_qos_ctrl - set QoS control of the given plane
329 * @plane: Pointer to drm plane
330 * @enable: true to enable QoS control
331 * @flags: QoS control mode (enum dpu_plane_qos)
333 static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
334 bool enable, u32 flags)
336 struct dpu_plane *pdpu = to_dpu_plane(plane);
338 if (flags & DPU_PLANE_QOS_VBLANK_CTRL) {
339 pdpu->pipe_qos_cfg.creq_vblank = pdpu->pipe_sblk->creq_vblank;
340 pdpu->pipe_qos_cfg.danger_vblank =
341 pdpu->pipe_sblk->danger_vblank;
342 pdpu->pipe_qos_cfg.vblank_en = enable;
345 if (flags & DPU_PLANE_QOS_VBLANK_AMORTIZE) {
346 /* this feature overrules previous VBLANK_CTRL */
347 pdpu->pipe_qos_cfg.vblank_en = false;
348 pdpu->pipe_qos_cfg.creq_vblank = 0; /* clear vblank bits */
351 if (flags & DPU_PLANE_QOS_PANIC_CTRL)
352 pdpu->pipe_qos_cfg.danger_safe_en = enable;
354 if (!pdpu->is_rt_pipe) {
355 pdpu->pipe_qos_cfg.vblank_en = false;
356 pdpu->pipe_qos_cfg.danger_safe_en = false;
359 DPU_DEBUG("plane%u: pnum:%d ds:%d vb:%d pri[0x%x, 0x%x] is_rt:%d\n",
361 pdpu->pipe - SSPP_VIG0,
362 pdpu->pipe_qos_cfg.danger_safe_en,
363 pdpu->pipe_qos_cfg.vblank_en,
364 pdpu->pipe_qos_cfg.creq_vblank,
365 pdpu->pipe_qos_cfg.danger_vblank,
368 pdpu->pipe_hw->ops.setup_qos_ctrl(pdpu->pipe_hw,
369 &pdpu->pipe_qos_cfg);
373 * _dpu_plane_set_ot_limit - set OT limit for the given plane
374 * @plane: Pointer to drm plane
375 * @crtc: Pointer to drm crtc
377 static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
378 struct drm_crtc *crtc)
380 struct dpu_plane *pdpu = to_dpu_plane(plane);
381 struct dpu_vbif_set_ot_params ot_params;
382 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
384 memset(&ot_params, 0, sizeof(ot_params));
385 ot_params.xin_id = pdpu->pipe_hw->cap->xin_id;
386 ot_params.num = pdpu->pipe_hw->idx - SSPP_NONE;
387 ot_params.width = drm_rect_width(&pdpu->pipe_cfg.src_rect);
388 ot_params.height = drm_rect_height(&pdpu->pipe_cfg.src_rect);
389 ot_params.is_wfd = !pdpu->is_rt_pipe;
390 ot_params.frame_rate = drm_mode_vrefresh(&crtc->mode);
391 ot_params.vbif_idx = VBIF_RT;
392 ot_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl;
395 dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
399 * _dpu_plane_set_vbif_qos - set vbif QoS for the given plane
400 * @plane: Pointer to drm plane
402 static void _dpu_plane_set_qos_remap(struct drm_plane *plane)
404 struct dpu_plane *pdpu = to_dpu_plane(plane);
405 struct dpu_vbif_set_qos_params qos_params;
406 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
408 memset(&qos_params, 0, sizeof(qos_params));
409 qos_params.vbif_idx = VBIF_RT;
410 qos_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl;
411 qos_params.xin_id = pdpu->pipe_hw->cap->xin_id;
412 qos_params.num = pdpu->pipe_hw->idx - SSPP_VIG0;
413 qos_params.is_rt = pdpu->is_rt_pipe;
415 DPU_DEBUG("plane%d pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n",
416 plane->base.id, qos_params.num,
418 qos_params.xin_id, qos_params.is_rt,
419 qos_params.clk_ctrl);
421 dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
424 static void _dpu_plane_set_scanout(struct drm_plane *plane,
425 struct dpu_plane_state *pstate,
426 struct dpu_hw_pipe_cfg *pipe_cfg,
427 struct drm_framebuffer *fb)
429 struct dpu_plane *pdpu = to_dpu_plane(plane);
430 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
431 struct msm_gem_address_space *aspace = kms->base.aspace;
434 ret = dpu_format_populate_layout(aspace, fb, &pipe_cfg->layout);
436 DPU_DEBUG_PLANE(pdpu, "not updating same src addrs\n");
438 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
439 else if (pdpu->pipe_hw->ops.setup_sourceaddress) {
440 trace_dpu_plane_set_scanout(pdpu->pipe_hw->idx,
442 pstate->multirect_index);
443 pdpu->pipe_hw->ops.setup_sourceaddress(pdpu->pipe_hw, pipe_cfg,
444 pstate->multirect_index);
448 static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu,
449 struct dpu_plane_state *pstate,
450 uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h,
451 struct dpu_hw_scaler3_cfg *scale_cfg,
452 const struct dpu_format *fmt,
453 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
457 memset(scale_cfg, 0, sizeof(*scale_cfg));
458 memset(&pstate->pixel_ext, 0, sizeof(struct dpu_hw_pixel_ext));
460 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] =
461 mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w);
462 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] =
463 mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h);
466 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] =
467 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v;
468 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] =
469 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h;
471 scale_cfg->phase_step_x[DPU_SSPP_COMP_2] =
472 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2];
473 scale_cfg->phase_step_y[DPU_SSPP_COMP_2] =
474 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2];
476 scale_cfg->phase_step_x[DPU_SSPP_COMP_3] =
477 scale_cfg->phase_step_x[DPU_SSPP_COMP_0];
478 scale_cfg->phase_step_y[DPU_SSPP_COMP_3] =
479 scale_cfg->phase_step_y[DPU_SSPP_COMP_0];
481 for (i = 0; i < DPU_MAX_PLANES; i++) {
482 scale_cfg->src_width[i] = src_w;
483 scale_cfg->src_height[i] = src_h;
484 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
485 scale_cfg->src_width[i] /= chroma_subsmpl_h;
486 scale_cfg->src_height[i] /= chroma_subsmpl_v;
488 scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H;
489 scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V;
490 pstate->pixel_ext.num_ext_pxls_top[i] =
491 scale_cfg->src_height[i];
492 pstate->pixel_ext.num_ext_pxls_left[i] =
493 scale_cfg->src_width[i];
495 if (!(DPU_FORMAT_IS_YUV(fmt)) && (src_h == dst_h)
499 scale_cfg->dst_width = dst_w;
500 scale_cfg->dst_height = dst_h;
501 scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL;
502 scale_cfg->uv_filter_cfg = DPU_SCALE_BIL;
503 scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL;
504 scale_cfg->lut_flag = 0;
505 scale_cfg->blend_cfg = 1;
506 scale_cfg->enable = 1;
509 static void _dpu_plane_setup_csc(struct dpu_plane *pdpu)
511 static const struct dpu_csc_cfg dpu_csc_YUV2RGB_601L = {
514 0x00012A00, 0x00000000, 0x00019880,
515 0x00012A00, 0xFFFF9B80, 0xFFFF3000,
516 0x00012A00, 0x00020480, 0x00000000,
519 { 0xfff0, 0xff80, 0xff80,},
522 { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0,},
523 { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,},
525 static const struct dpu_csc_cfg dpu_csc10_YUV2RGB_601L = {
528 0x00012A00, 0x00000000, 0x00019880,
529 0x00012A00, 0xFFFF9B80, 0xFFFF3000,
530 0x00012A00, 0x00020480, 0x00000000,
533 { 0xffc0, 0xfe00, 0xfe00,},
536 { 0x40, 0x3ac, 0x40, 0x3c0, 0x40, 0x3c0,},
537 { 0x00, 0x3ff, 0x00, 0x3ff, 0x00, 0x3ff,},
541 DPU_ERROR("invalid plane\n");
545 if (BIT(DPU_SSPP_CSC_10BIT) & pdpu->features)
546 pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc10_YUV2RGB_601L;
548 pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc_YUV2RGB_601L;
550 DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n",
551 pdpu->csc_ptr->csc_mv[0],
552 pdpu->csc_ptr->csc_mv[1],
553 pdpu->csc_ptr->csc_mv[2]);
556 static void _dpu_plane_setup_scaler(struct dpu_plane *pdpu,
557 struct dpu_plane_state *pstate,
558 const struct dpu_format *fmt, bool color_fill)
560 uint32_t chroma_subsmpl_h, chroma_subsmpl_v;
562 /* don't chroma subsample if decimating */
564 drm_format_horz_chroma_subsampling(fmt->base.pixel_format);
566 drm_format_vert_chroma_subsampling(fmt->base.pixel_format);
568 /* update scaler. calculate default config for QSEED3 */
569 _dpu_plane_setup_scaler3(pdpu, pstate,
570 drm_rect_width(&pdpu->pipe_cfg.src_rect),
571 drm_rect_height(&pdpu->pipe_cfg.src_rect),
572 drm_rect_width(&pdpu->pipe_cfg.dst_rect),
573 drm_rect_height(&pdpu->pipe_cfg.dst_rect),
574 &pstate->scaler3_cfg, fmt,
575 chroma_subsmpl_h, chroma_subsmpl_v);
579 * _dpu_plane_color_fill - enables color fill on plane
580 * @pdpu: Pointer to DPU plane object
581 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
582 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha
583 * Returns: 0 on success
585 static int _dpu_plane_color_fill(struct dpu_plane *pdpu,
586 uint32_t color, uint32_t alpha)
588 const struct dpu_format *fmt;
589 const struct drm_plane *plane = &pdpu->base;
590 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state);
592 DPU_DEBUG_PLANE(pdpu, "\n");
595 * select fill format to match user property expectation,
596 * h/w only supports RGB variants
598 fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
601 if (fmt && pdpu->pipe_hw->ops.setup_solidfill) {
602 pdpu->pipe_hw->ops.setup_solidfill(pdpu->pipe_hw,
603 (color & 0xFFFFFF) | ((alpha & 0xFF) << 24),
604 pstate->multirect_index);
606 /* override scaler/decimation if solid fill */
607 pdpu->pipe_cfg.src_rect.x1 = 0;
608 pdpu->pipe_cfg.src_rect.y1 = 0;
609 pdpu->pipe_cfg.src_rect.x2 =
610 drm_rect_width(&pdpu->pipe_cfg.dst_rect);
611 pdpu->pipe_cfg.src_rect.y2 =
612 drm_rect_height(&pdpu->pipe_cfg.dst_rect);
613 _dpu_plane_setup_scaler(pdpu, pstate, fmt, true);
615 if (pdpu->pipe_hw->ops.setup_format)
616 pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw,
617 fmt, DPU_SSPP_SOLID_FILL,
618 pstate->multirect_index);
620 if (pdpu->pipe_hw->ops.setup_rects)
621 pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
623 pstate->multirect_index);
625 if (pdpu->pipe_hw->ops.setup_pe)
626 pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw,
629 if (pdpu->pipe_hw->ops.setup_scaler &&
630 pstate->multirect_index != DPU_SSPP_RECT_1)
631 pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw,
632 &pdpu->pipe_cfg, &pstate->pixel_ext,
633 &pstate->scaler3_cfg);
639 void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state)
641 struct dpu_plane_state *pstate = to_dpu_plane_state(drm_state);
643 pstate->multirect_index = DPU_SSPP_RECT_SOLO;
644 pstate->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
647 int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane)
649 struct dpu_plane_state *pstate[R_MAX];
650 const struct drm_plane_state *drm_state[R_MAX];
651 struct drm_rect src[R_MAX], dst[R_MAX];
652 struct dpu_plane *dpu_plane[R_MAX];
653 const struct dpu_format *fmt[R_MAX];
655 unsigned int max_tile_height = 1;
656 bool parallel_fetch_qualified = true;
657 bool has_tiled_rect = false;
659 for (i = 0; i < R_MAX; i++) {
660 const struct msm_format *msm_fmt;
662 drm_state[i] = i ? plane->r1 : plane->r0;
663 msm_fmt = msm_framebuffer_format(drm_state[i]->fb);
664 fmt[i] = to_dpu_format(msm_fmt);
666 if (DPU_FORMAT_IS_UBWC(fmt[i])) {
667 has_tiled_rect = true;
668 if (fmt[i]->tile_height > max_tile_height)
669 max_tile_height = fmt[i]->tile_height;
673 for (i = 0; i < R_MAX; i++) {
676 pstate[i] = to_dpu_plane_state(drm_state[i]);
677 dpu_plane[i] = to_dpu_plane(drm_state[i]->plane);
679 if (pstate[i] == NULL) {
680 DPU_ERROR("DPU plane state of plane id %d is NULL\n",
681 drm_state[i]->plane->base.id);
685 src[i].x1 = drm_state[i]->src_x >> 16;
686 src[i].y1 = drm_state[i]->src_y >> 16;
687 src[i].x2 = src[i].x1 + (drm_state[i]->src_w >> 16);
688 src[i].y2 = src[i].y1 + (drm_state[i]->src_h >> 16);
690 dst[i] = drm_plane_state_dest(drm_state[i]);
692 if (drm_rect_calc_hscale(&src[i], &dst[i], 1, 1) != 1 ||
693 drm_rect_calc_vscale(&src[i], &dst[i], 1, 1) != 1) {
694 DPU_ERROR_PLANE(dpu_plane[i],
695 "scaling is not supported in multirect mode\n");
699 if (DPU_FORMAT_IS_YUV(fmt[i])) {
700 DPU_ERROR_PLANE(dpu_plane[i],
701 "Unsupported format for multirect mode\n");
706 * SSPP PD_MEM is split half - one for each RECT.
707 * Tiled formats need 5 lines of buffering while fetching
708 * whereas linear formats need only 2 lines.
709 * So we cannot support more than half of the supported SSPP
710 * width for tiled formats.
712 width_threshold = dpu_plane[i]->pipe_sblk->common->maxlinewidth;
714 width_threshold /= 2;
716 if (parallel_fetch_qualified &&
717 drm_rect_width(&src[i]) > width_threshold)
718 parallel_fetch_qualified = false;
722 /* Validate RECT's and set the mode */
724 /* Prefer PARALLEL FETCH Mode over TIME_MX Mode */
725 if (parallel_fetch_qualified) {
726 pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
727 pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
733 buffer_lines = 2 * max_tile_height;
735 if (dst[R1].y1 >= dst[R0].y2 + buffer_lines ||
736 dst[R0].y1 >= dst[R1].y2 + buffer_lines) {
737 pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
738 pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
741 "No multirect mode possible for the planes (%d - %d)\n",
742 drm_state[R0]->plane->base.id,
743 drm_state[R1]->plane->base.id);
748 if (dpu_plane[R0]->is_virtual) {
749 pstate[R0]->multirect_index = DPU_SSPP_RECT_1;
750 pstate[R1]->multirect_index = DPU_SSPP_RECT_0;
752 pstate[R0]->multirect_index = DPU_SSPP_RECT_0;
753 pstate[R1]->multirect_index = DPU_SSPP_RECT_1;
756 DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n",
757 pstate[R0]->multirect_mode, pstate[R0]->multirect_index);
758 DPU_DEBUG_PLANE(dpu_plane[R1], "R1: %d - %d\n",
759 pstate[R1]->multirect_mode, pstate[R1]->multirect_index);
764 * dpu_plane_get_ctl_flush - get control flush for the given plane
765 * @plane: Pointer to drm plane structure
766 * @ctl: Pointer to hardware control driver
767 * @flush_sspp: Pointer to sspp flush control word
769 void dpu_plane_get_ctl_flush(struct drm_plane *plane, struct dpu_hw_ctl *ctl,
772 *flush_sspp = ctl->ops.get_bitmask_sspp(ctl, dpu_plane_pipe(plane));
775 static int dpu_plane_prepare_fb(struct drm_plane *plane,
776 struct drm_plane_state *new_state)
778 struct drm_framebuffer *fb = new_state->fb;
779 struct dpu_plane *pdpu = to_dpu_plane(plane);
780 struct dpu_plane_state *pstate = to_dpu_plane_state(new_state);
781 struct dpu_hw_fmt_layout layout;
782 struct drm_gem_object *obj;
783 struct dma_fence *fence;
784 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base);
790 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id);
793 pstate->aspace = kms->base.aspace;
796 * TODO: Need to sort out the msm_framebuffer_prepare() call below so
797 * we can use msm_atomic_prepare_fb() instead of doing the
798 * implicit fence and fb prepare by hand here.
800 obj = msm_framebuffer_bo(new_state->fb, 0);
801 fence = reservation_object_get_excl_rcu(obj->resv);
803 drm_atomic_set_fence_for_plane(new_state, fence);
805 if (pstate->aspace) {
806 ret = msm_framebuffer_prepare(new_state->fb,
809 DPU_ERROR("failed to prepare framebuffer\n");
814 /* validate framebuffer layout before commit */
815 ret = dpu_format_populate_layout(pstate->aspace,
816 new_state->fb, &layout);
818 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
825 static void dpu_plane_cleanup_fb(struct drm_plane *plane,
826 struct drm_plane_state *old_state)
828 struct dpu_plane *pdpu = to_dpu_plane(plane);
829 struct dpu_plane_state *old_pstate;
831 if (!old_state || !old_state->fb)
834 old_pstate = to_dpu_plane_state(old_state);
836 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id);
838 msm_framebuffer_cleanup(old_state->fb, old_pstate->aspace);
841 static bool dpu_plane_validate_src(struct drm_rect *src,
842 struct drm_rect *fb_rect,
843 uint32_t min_src_size)
845 /* Ensure fb size is supported */
846 if (drm_rect_width(fb_rect) > MAX_IMG_WIDTH ||
847 drm_rect_height(fb_rect) > MAX_IMG_HEIGHT)
850 /* Ensure src rect is above the minimum size */
851 if (drm_rect_width(src) < min_src_size ||
852 drm_rect_height(src) < min_src_size)
855 /* Ensure src is fully encapsulated in fb */
856 return drm_rect_intersect(fb_rect, src) &&
857 drm_rect_equals(fb_rect, src);
860 static int dpu_plane_atomic_check(struct drm_plane *plane,
861 struct drm_plane_state *state)
863 int ret = 0, min_scale;
864 struct dpu_plane *pdpu = to_dpu_plane(plane);
865 const struct drm_crtc_state *crtc_state = NULL;
866 const struct dpu_format *fmt;
867 struct drm_rect src, dst, fb_rect = { 0 };
868 uint32_t min_src_size, max_linewidth;
871 crtc_state = drm_atomic_get_new_crtc_state(state->state,
874 min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxdwnscale);
875 ret = drm_atomic_helper_check_plane_state(state, crtc_state, min_scale,
876 pdpu->pipe_sblk->maxupscale << 16,
879 DPU_ERROR_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
885 src.x1 = state->src_x >> 16;
886 src.y1 = state->src_y >> 16;
887 src.x2 = src.x1 + (state->src_w >> 16);
888 src.y2 = src.y1 + (state->src_h >> 16);
890 dst = drm_plane_state_dest(state);
892 fb_rect.x2 = state->fb->width;
893 fb_rect.y2 = state->fb->height;
895 max_linewidth = pdpu->pipe_sblk->common->maxlinewidth;
897 fmt = to_dpu_format(msm_framebuffer_format(state->fb));
899 min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1;
901 if (DPU_FORMAT_IS_YUV(fmt) &&
902 (!(pdpu->features & DPU_SSPP_SCALER) ||
903 !(pdpu->features & (BIT(DPU_SSPP_CSC)
904 | BIT(DPU_SSPP_CSC_10BIT))))) {
905 DPU_ERROR_PLANE(pdpu,
906 "plane doesn't have scaler/csc for yuv\n");
909 /* check src bounds */
910 } else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) {
911 DPU_ERROR_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
915 /* valid yuv image */
916 } else if (DPU_FORMAT_IS_YUV(fmt) &&
917 (src.x1 & 0x1 || src.y1 & 0x1 ||
918 drm_rect_width(&src) & 0x1 ||
919 drm_rect_height(&src) & 0x1)) {
920 DPU_ERROR_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n",
924 /* min dst support */
925 } else if (drm_rect_width(&dst) < 0x1 || drm_rect_height(&dst) < 0x1) {
926 DPU_ERROR_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n",
930 /* check decimated source width */
931 } else if (drm_rect_width(&src) > max_linewidth) {
932 DPU_ERROR_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n",
933 DRM_RECT_ARG(&src), max_linewidth);
940 void dpu_plane_flush(struct drm_plane *plane)
942 struct dpu_plane *pdpu;
943 struct dpu_plane_state *pstate;
945 if (!plane || !plane->state) {
946 DPU_ERROR("invalid plane\n");
950 pdpu = to_dpu_plane(plane);
951 pstate = to_dpu_plane_state(plane->state);
954 * These updates have to be done immediately before the plane flush
955 * timing, and may not be moved to the atomic_update/mode_set functions.
958 /* force white frame with 100% alpha pipe output on error */
959 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
960 else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
961 /* force 100% alpha */
962 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
963 else if (pdpu->pipe_hw && pdpu->csc_ptr && pdpu->pipe_hw->ops.setup_csc)
964 pdpu->pipe_hw->ops.setup_csc(pdpu->pipe_hw, pdpu->csc_ptr);
966 /* flag h/w flush complete */
968 pstate->pending = false;
972 * dpu_plane_set_error: enable/disable error condition
973 * @plane: pointer to drm_plane structure
975 void dpu_plane_set_error(struct drm_plane *plane, bool error)
977 struct dpu_plane *pdpu;
982 pdpu = to_dpu_plane(plane);
983 pdpu->is_error = error;
986 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
989 struct dpu_plane *pdpu = to_dpu_plane(plane);
990 struct drm_plane_state *state = plane->state;
991 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
992 struct drm_crtc *crtc = state->crtc;
993 struct drm_framebuffer *fb = state->fb;
994 const struct dpu_format *fmt =
995 to_dpu_format(msm_framebuffer_format(fb));
997 memset(&(pdpu->pipe_cfg), 0, sizeof(struct dpu_hw_pipe_cfg));
999 _dpu_plane_set_scanout(plane, pstate, &pdpu->pipe_cfg, fb);
1001 pstate->pending = true;
1003 pdpu->is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
1004 _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
1006 DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
1007 ", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
1008 crtc->base.id, DRM_RECT_ARG(&state->dst),
1009 (char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt));
1011 pdpu->pipe_cfg.src_rect = state->src;
1013 /* state->src is 16.16, src_rect is not */
1014 pdpu->pipe_cfg.src_rect.x1 >>= 16;
1015 pdpu->pipe_cfg.src_rect.x2 >>= 16;
1016 pdpu->pipe_cfg.src_rect.y1 >>= 16;
1017 pdpu->pipe_cfg.src_rect.y2 >>= 16;
1019 pdpu->pipe_cfg.dst_rect = state->dst;
1021 _dpu_plane_setup_scaler(pdpu, pstate, fmt, false);
1023 /* override for color fill */
1024 if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
1025 /* skip remaining processing on color fill */
1029 if (pdpu->pipe_hw->ops.setup_rects) {
1030 pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
1032 pstate->multirect_index);
1035 if (pdpu->pipe_hw->ops.setup_pe &&
1036 (pstate->multirect_index != DPU_SSPP_RECT_1))
1037 pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw,
1038 &pstate->pixel_ext);
1041 * when programmed in multirect mode, scalar block will be
1042 * bypassed. Still we need to update alpha and bitwidth
1045 if (pdpu->pipe_hw->ops.setup_scaler &&
1046 pstate->multirect_index != DPU_SSPP_RECT_1)
1047 pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw,
1048 &pdpu->pipe_cfg, &pstate->pixel_ext,
1049 &pstate->scaler3_cfg);
1051 if (pdpu->pipe_hw->ops.setup_multirect)
1052 pdpu->pipe_hw->ops.setup_multirect(
1054 pstate->multirect_index,
1055 pstate->multirect_mode);
1057 if (pdpu->pipe_hw->ops.setup_format) {
1061 pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags,
1062 pstate->multirect_index);
1064 if (pdpu->pipe_hw->ops.setup_cdp) {
1065 struct dpu_hw_pipe_cdp_cfg *cdp_cfg = &pstate->cdp_cfg;
1067 memset(cdp_cfg, 0, sizeof(struct dpu_hw_pipe_cdp_cfg));
1069 cdp_cfg->enable = pdpu->catalog->perf.cdp_cfg
1070 [DPU_PERF_CDP_USAGE_RT].rd_enable;
1071 cdp_cfg->ubwc_meta_enable =
1072 DPU_FORMAT_IS_UBWC(fmt);
1073 cdp_cfg->tile_amortize_enable =
1074 DPU_FORMAT_IS_UBWC(fmt) ||
1075 DPU_FORMAT_IS_TILE(fmt);
1076 cdp_cfg->preload_ahead = DPU_SSPP_CDP_PRELOAD_AHEAD_64;
1078 pdpu->pipe_hw->ops.setup_cdp(pdpu->pipe_hw, cdp_cfg);
1082 if (DPU_FORMAT_IS_YUV(fmt))
1083 _dpu_plane_setup_csc(pdpu);
1088 _dpu_plane_set_qos_lut(plane, fb);
1089 _dpu_plane_set_danger_lut(plane, fb);
1091 if (plane->type != DRM_PLANE_TYPE_CURSOR) {
1092 _dpu_plane_set_qos_ctrl(plane, true, DPU_PLANE_QOS_PANIC_CTRL);
1093 _dpu_plane_set_ot_limit(plane, crtc);
1096 _dpu_plane_set_qos_remap(plane);
1099 static void _dpu_plane_atomic_disable(struct drm_plane *plane)
1101 struct dpu_plane *pdpu = to_dpu_plane(plane);
1102 struct drm_plane_state *state = plane->state;
1103 struct dpu_plane_state *pstate = to_dpu_plane_state(state);
1105 trace_dpu_plane_disable(DRMID(plane), is_dpu_plane_virtual(plane),
1106 pstate->multirect_mode);
1108 pstate->pending = true;
1110 if (is_dpu_plane_virtual(plane) &&
1111 pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_multirect)
1112 pdpu->pipe_hw->ops.setup_multirect(pdpu->pipe_hw,
1113 DPU_SSPP_RECT_SOLO, DPU_SSPP_MULTIRECT_NONE);
1116 static void dpu_plane_atomic_update(struct drm_plane *plane,
1117 struct drm_plane_state *old_state)
1119 struct dpu_plane *pdpu = to_dpu_plane(plane);
1120 struct drm_plane_state *state = plane->state;
1122 pdpu->is_error = false;
1124 DPU_DEBUG_PLANE(pdpu, "\n");
1126 if (!state->visible) {
1127 _dpu_plane_atomic_disable(plane);
1129 dpu_plane_sspp_atomic_update(plane);
1133 void dpu_plane_restore(struct drm_plane *plane)
1135 struct dpu_plane *pdpu;
1137 if (!plane || !plane->state) {
1138 DPU_ERROR("invalid plane\n");
1142 pdpu = to_dpu_plane(plane);
1144 DPU_DEBUG_PLANE(pdpu, "\n");
1146 /* last plane state is same as current state */
1147 dpu_plane_atomic_update(plane, plane->state);
1150 static void dpu_plane_destroy(struct drm_plane *plane)
1152 struct dpu_plane *pdpu = plane ? to_dpu_plane(plane) : NULL;
1154 DPU_DEBUG_PLANE(pdpu, "\n");
1157 _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
1159 mutex_destroy(&pdpu->lock);
1161 /* this will destroy the states as well */
1162 drm_plane_cleanup(plane);
1164 dpu_hw_sspp_destroy(pdpu->pipe_hw);
1170 static void dpu_plane_destroy_state(struct drm_plane *plane,
1171 struct drm_plane_state *state)
1173 __drm_atomic_helper_plane_destroy_state(state);
1174 kfree(to_dpu_plane_state(state));
1177 static struct drm_plane_state *
1178 dpu_plane_duplicate_state(struct drm_plane *plane)
1180 struct dpu_plane *pdpu;
1181 struct dpu_plane_state *pstate;
1182 struct dpu_plane_state *old_state;
1185 DPU_ERROR("invalid plane\n");
1187 } else if (!plane->state) {
1188 DPU_ERROR("invalid plane state\n");
1192 old_state = to_dpu_plane_state(plane->state);
1193 pdpu = to_dpu_plane(plane);
1194 pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
1196 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1200 DPU_DEBUG_PLANE(pdpu, "\n");
1202 pstate->pending = false;
1204 __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base);
1206 return &pstate->base;
1209 static void dpu_plane_reset(struct drm_plane *plane)
1211 struct dpu_plane *pdpu;
1212 struct dpu_plane_state *pstate;
1215 DPU_ERROR("invalid plane\n");
1219 pdpu = to_dpu_plane(plane);
1220 DPU_DEBUG_PLANE(pdpu, "\n");
1222 /* remove previous state, if present */
1224 dpu_plane_destroy_state(plane, plane->state);
1228 pstate = kzalloc(sizeof(*pstate), GFP_KERNEL);
1230 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n");
1234 pstate->base.plane = plane;
1236 plane->state = &pstate->base;
1239 #ifdef CONFIG_DEBUG_FS
1240 static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
1242 struct dpu_plane *pdpu = to_dpu_plane(plane);
1243 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
1245 if (!pdpu->is_rt_pipe)
1248 pm_runtime_get_sync(&dpu_kms->pdev->dev);
1249 _dpu_plane_set_qos_ctrl(plane, enable, DPU_PLANE_QOS_PANIC_CTRL);
1250 pm_runtime_put_sync(&dpu_kms->pdev->dev);
1253 static ssize_t _dpu_plane_danger_read(struct file *file,
1254 char __user *buff, size_t count, loff_t *ppos)
1256 struct dpu_kms *kms = file->private_data;
1260 len = scnprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl);
1262 return simple_read_from_buffer(buff, count, ppos, buf, len);
1265 static void _dpu_plane_set_danger_state(struct dpu_kms *kms, bool enable)
1267 struct drm_plane *plane;
1269 drm_for_each_plane(plane, kms->dev) {
1270 if (plane->fb && plane->state) {
1271 dpu_plane_danger_signal_ctrl(plane, enable);
1272 DPU_DEBUG("plane:%d img:%dx%d ",
1273 plane->base.id, plane->fb->width,
1275 DPU_DEBUG("src[%d,%d,%d,%d] dst[%d,%d,%d,%d]\n",
1276 plane->state->src_x >> 16,
1277 plane->state->src_y >> 16,
1278 plane->state->src_w >> 16,
1279 plane->state->src_h >> 16,
1280 plane->state->crtc_x, plane->state->crtc_y,
1281 plane->state->crtc_w, plane->state->crtc_h);
1283 DPU_DEBUG("Inactive plane:%d\n", plane->base.id);
1288 static ssize_t _dpu_plane_danger_write(struct file *file,
1289 const char __user *user_buf, size_t count, loff_t *ppos)
1291 struct dpu_kms *kms = file->private_data;
1295 ret = kstrtouint_from_user(user_buf, count, 0, &disable_panic);
1299 if (disable_panic) {
1300 /* Disable panic signal for all active pipes */
1301 DPU_DEBUG("Disabling danger:\n");
1302 _dpu_plane_set_danger_state(kms, false);
1303 kms->has_danger_ctrl = false;
1305 /* Enable panic signal for all active pipes */
1306 DPU_DEBUG("Enabling danger:\n");
1307 kms->has_danger_ctrl = true;
1308 _dpu_plane_set_danger_state(kms, true);
1314 static const struct file_operations dpu_plane_danger_enable = {
1315 .open = simple_open,
1316 .read = _dpu_plane_danger_read,
1317 .write = _dpu_plane_danger_write,
1320 static int _dpu_plane_init_debugfs(struct drm_plane *plane)
1322 struct dpu_plane *pdpu = to_dpu_plane(plane);
1323 struct dpu_kms *kms = _dpu_plane_get_kms(plane);
1324 const struct dpu_sspp_cfg *cfg = pdpu->pipe_hw->cap;
1325 const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
1327 /* create overall sub-directory for the pipe */
1328 pdpu->debugfs_root =
1329 debugfs_create_dir(pdpu->pipe_name,
1330 plane->dev->primary->debugfs_root);
1332 if (!pdpu->debugfs_root)
1335 /* don't error check these */
1336 debugfs_create_x32("features", 0600,
1337 pdpu->debugfs_root, &pdpu->features);
1339 /* add register dump support */
1340 dpu_debugfs_setup_regset32(&pdpu->debugfs_src,
1341 sblk->src_blk.base + cfg->base,
1344 dpu_debugfs_create_regset32("src_blk", 0400,
1345 pdpu->debugfs_root, &pdpu->debugfs_src);
1347 if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) ||
1348 cfg->features & BIT(DPU_SSPP_SCALER_QSEED2)) {
1349 dpu_debugfs_setup_regset32(&pdpu->debugfs_scaler,
1350 sblk->scaler_blk.base + cfg->base,
1351 sblk->scaler_blk.len,
1353 dpu_debugfs_create_regset32("scaler_blk", 0400,
1355 &pdpu->debugfs_scaler);
1356 debugfs_create_bool("default_scaling",
1359 &pdpu->debugfs_default_scale);
1362 if (cfg->features & BIT(DPU_SSPP_CSC) ||
1363 cfg->features & BIT(DPU_SSPP_CSC_10BIT)) {
1364 dpu_debugfs_setup_regset32(&pdpu->debugfs_csc,
1365 sblk->csc_blk.base + cfg->base,
1368 dpu_debugfs_create_regset32("csc_blk", 0400,
1369 pdpu->debugfs_root, &pdpu->debugfs_csc);
1372 debugfs_create_u32("xin_id",
1375 (u32 *) &cfg->xin_id);
1376 debugfs_create_u32("clk_ctrl",
1379 (u32 *) &cfg->clk_ctrl);
1380 debugfs_create_x32("creq_vblank",
1383 (u32 *) &sblk->creq_vblank);
1384 debugfs_create_x32("danger_vblank",
1387 (u32 *) &sblk->danger_vblank);
1389 debugfs_create_file("disable_danger",
1392 kms, &dpu_plane_danger_enable);
1397 static int _dpu_plane_init_debugfs(struct drm_plane *plane)
1403 static int dpu_plane_late_register(struct drm_plane *plane)
1405 return _dpu_plane_init_debugfs(plane);
1408 static void dpu_plane_early_unregister(struct drm_plane *plane)
1410 struct dpu_plane *pdpu = to_dpu_plane(plane);
1412 debugfs_remove_recursive(pdpu->debugfs_root);
1415 static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
1416 uint32_t format, uint64_t modifier)
1418 if (modifier == DRM_FORMAT_MOD_LINEAR)
1421 if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED) {
1423 for (i = 0; i < ARRAY_SIZE(qcom_compressed_supported_formats); i++) {
1424 if (format == qcom_compressed_supported_formats[i])
1432 static const struct drm_plane_funcs dpu_plane_funcs = {
1433 .update_plane = drm_atomic_helper_update_plane,
1434 .disable_plane = drm_atomic_helper_disable_plane,
1435 .destroy = dpu_plane_destroy,
1436 .reset = dpu_plane_reset,
1437 .atomic_duplicate_state = dpu_plane_duplicate_state,
1438 .atomic_destroy_state = dpu_plane_destroy_state,
1439 .late_register = dpu_plane_late_register,
1440 .early_unregister = dpu_plane_early_unregister,
1441 .format_mod_supported = dpu_plane_format_mod_supported,
1444 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
1445 .prepare_fb = dpu_plane_prepare_fb,
1446 .cleanup_fb = dpu_plane_cleanup_fb,
1447 .atomic_check = dpu_plane_atomic_check,
1448 .atomic_update = dpu_plane_atomic_update,
1451 enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane)
1453 return plane ? to_dpu_plane(plane)->pipe : SSPP_NONE;
1456 bool is_dpu_plane_virtual(struct drm_plane *plane)
1458 return plane ? to_dpu_plane(plane)->is_virtual : false;
1461 /* initialize plane */
1462 struct drm_plane *dpu_plane_init(struct drm_device *dev,
1463 uint32_t pipe, enum drm_plane_type type,
1464 unsigned long possible_crtcs, u32 master_plane_id)
1466 struct drm_plane *plane = NULL, *master_plane = NULL;
1467 const uint32_t *format_list;
1468 struct dpu_plane *pdpu;
1469 struct msm_drm_private *priv = dev->dev_private;
1470 struct dpu_kms *kms = to_dpu_kms(priv->kms);
1471 int zpos_max = DPU_ZPOS_MAX;
1472 uint32_t num_formats;
1475 /* create and zero local structure */
1476 pdpu = kzalloc(sizeof(*pdpu), GFP_KERNEL);
1478 DPU_ERROR("[%u]failed to allocate local plane struct\n", pipe);
1480 return ERR_PTR(ret);
1483 /* cache local stuff for later */
1484 plane = &pdpu->base;
1486 pdpu->is_virtual = (master_plane_id != 0);
1487 INIT_LIST_HEAD(&pdpu->mplane_list);
1488 master_plane = drm_plane_find(dev, NULL, master_plane_id);
1490 struct dpu_plane *mpdpu = to_dpu_plane(master_plane);
1492 list_add_tail(&pdpu->mplane_list, &mpdpu->mplane_list);
1495 /* initialize underlying h/w driver */
1496 pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog,
1497 master_plane_id != 0);
1498 if (IS_ERR(pdpu->pipe_hw)) {
1499 DPU_ERROR("[%u]SSPP init failed\n", pipe);
1500 ret = PTR_ERR(pdpu->pipe_hw);
1502 } else if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) {
1503 DPU_ERROR("[%u]SSPP init returned invalid cfg\n", pipe);
1507 /* cache features mask for later */
1508 pdpu->features = pdpu->pipe_hw->cap->features;
1509 pdpu->pipe_sblk = pdpu->pipe_hw->cap->sblk;
1510 if (!pdpu->pipe_sblk) {
1511 DPU_ERROR("[%u]invalid sblk\n", pipe);
1515 if (pdpu->is_virtual) {
1516 format_list = pdpu->pipe_sblk->virt_format_list;
1517 num_formats = pdpu->pipe_sblk->virt_num_formats;
1520 format_list = pdpu->pipe_sblk->format_list;
1521 num_formats = pdpu->pipe_sblk->num_formats;
1524 ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs,
1525 format_list, num_formats,
1526 supported_format_modifiers, type, NULL);
1530 pdpu->catalog = kms->catalog;
1532 if (kms->catalog->mixer_count &&
1533 kms->catalog->mixer[0].sblk->maxblendstages) {
1534 zpos_max = kms->catalog->mixer[0].sblk->maxblendstages - 1;
1535 if (zpos_max > DPU_STAGE_MAX - DPU_STAGE_0 - 1)
1536 zpos_max = DPU_STAGE_MAX - DPU_STAGE_0 - 1;
1539 ret = drm_plane_create_zpos_property(plane, 0, 0, zpos_max);
1541 DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
1543 /* success! finalize initialization */
1544 drm_plane_helper_add(plane, &dpu_plane_helper_funcs);
1546 /* save user friendly pipe name for later */
1547 snprintf(pdpu->pipe_name, DPU_NAME_SIZE, "plane%u", plane->base.id);
1549 mutex_init(&pdpu->lock);
1551 DPU_DEBUG("%s created for pipe:%u id:%u virtual:%u\n", pdpu->pipe_name,
1552 pipe, plane->base.id, master_plane_id);
1556 if (pdpu && pdpu->pipe_hw)
1557 dpu_hw_sspp_destroy(pdpu->pipe_hw);
1560 return ERR_PTR(ret);