// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark */ #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__ #include #include #include #include #include #include #include #include "msm_drv.h" #include "dpu_kms.h" #include "dpu_formats.h" #include "dpu_hw_sspp.h" #include "dpu_trace.h" #include "dpu_crtc.h" #include "dpu_vbif.h" #include "dpu_plane.h" #define DPU_DEBUG_PLANE(pl, fmt, ...) DRM_DEBUG_ATOMIC("plane%d " fmt,\ (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__) #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\ (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__) #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci)) #define PHASE_STEP_SHIFT 21 #define PHASE_STEP_UNIT_SCALE ((int) (1 << PHASE_STEP_SHIFT)) #define PHASE_RESIDUAL 15 #define SHARP_STRENGTH_DEFAULT 32 #define SHARP_EDGE_THR_DEFAULT 112 #define SHARP_SMOOTH_THR_DEFAULT 8 #define SHARP_NOISE_THR_DEFAULT 2 #define DPU_NAME_SIZE 12 #define DPU_PLANE_COLOR_FILL_FLAG BIT(31) #define DPU_ZPOS_MAX 255 /* multirect rect index */ enum { R0, R1, R_MAX }; /* * Default Preload Values */ #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3 #define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2 #define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4 #define DEFAULT_REFRESH_RATE 60 static const uint32_t qcom_compressed_supported_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_BGR565, DRM_FORMAT_NV12, }; /** * enum dpu_plane_qos - Different qos configurations for each pipe * * @DPU_PLANE_QOS_VBLANK_CTRL: Setup VBLANK qos for the pipe. * @DPU_PLANE_QOS_VBLANK_AMORTIZE: Enables Amortization within pipe. * this configuration is mutually exclusive from VBLANK_CTRL. * @DPU_PLANE_QOS_PANIC_CTRL: Setup panic for the pipe. */ enum dpu_plane_qos { DPU_PLANE_QOS_VBLANK_CTRL = BIT(0), DPU_PLANE_QOS_VBLANK_AMORTIZE = BIT(1), DPU_PLANE_QOS_PANIC_CTRL = BIT(2), }; /* * struct dpu_plane - local dpu plane structure * @aspace: address space pointer * @csc_ptr: Points to dpu_csc_cfg structure to use for current * @mplane_list: List of multirect planes of the same pipe * @catalog: Points to dpu catalog structure * @revalidate: force revalidation of all the plane properties */ struct dpu_plane { struct drm_plane base; struct mutex lock; enum dpu_sspp pipe; uint32_t features; /* capabilities from catalog */ struct dpu_hw_pipe *pipe_hw; struct dpu_hw_pipe_cfg pipe_cfg; struct dpu_hw_pipe_qos_cfg pipe_qos_cfg; uint32_t color_fill; bool is_error; bool is_rt_pipe; bool is_virtual; struct list_head mplane_list; struct dpu_mdss_cfg *catalog; struct dpu_csc_cfg *csc_ptr; const struct dpu_sspp_sub_blks *pipe_sblk; char pipe_name[DPU_NAME_SIZE]; /* debugfs related stuff */ struct dentry *debugfs_root; struct dpu_debugfs_regset32 debugfs_src; struct dpu_debugfs_regset32 debugfs_scaler; struct dpu_debugfs_regset32 debugfs_csc; bool debugfs_default_scale; }; static const uint64_t supported_format_modifiers[] = { DRM_FORMAT_MOD_QCOM_COMPRESSED, DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID }; #define to_dpu_plane(x) container_of(x, struct dpu_plane, base) static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane) { struct msm_drm_private *priv = plane->dev->dev_private; return to_dpu_kms(priv->kms); } /** * _dpu_plane_calc_bw - calculate bandwidth required for a plane * @plane: Pointer to drm plane. * @fb: Pointer to framebuffer associated with the given plane * Result: Updates calculated bandwidth in the plane state. * BW Equation: src_w * src_h * bpp * fps * (v_total / v_dest) * Prefill BW Equation: line src bytes * line_time */ static void _dpu_plane_calc_bw(struct drm_plane *plane, struct drm_framebuffer *fb) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_plane_state *pstate; struct drm_display_mode *mode; const struct dpu_format *fmt = NULL; struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); int src_width, src_height, dst_height, fps; u64 plane_prefill_bw; u64 plane_bw; u32 hw_latency_lines; u64 scale_factor; int vbp, vpw, vfp; pstate = to_dpu_plane_state(plane->state); mode = &plane->state->crtc->mode; fmt = dpu_get_dpu_format_ext(fb->format->format, fb->modifier); src_width = drm_rect_width(&pdpu->pipe_cfg.src_rect); src_height = drm_rect_height(&pdpu->pipe_cfg.src_rect); dst_height = drm_rect_height(&pdpu->pipe_cfg.dst_rect); fps = drm_mode_vrefresh(mode); vbp = mode->vtotal - mode->vsync_end; vpw = mode->vsync_end - mode->vsync_start; vfp = mode->vsync_start - mode->vdisplay; hw_latency_lines = dpu_kms->catalog->perf.min_prefill_lines; scale_factor = src_height > dst_height ? mult_frac(src_height, 1, dst_height) : 1; plane_bw = src_width * mode->vtotal * fps * fmt->bpp * scale_factor; plane_prefill_bw = src_width * hw_latency_lines * fps * fmt->bpp * scale_factor * mode->vtotal; if ((vbp+vpw) > hw_latency_lines) do_div(plane_prefill_bw, (vbp+vpw)); else if ((vbp+vpw+vfp) < hw_latency_lines) do_div(plane_prefill_bw, (vbp+vpw+vfp)); else do_div(plane_prefill_bw, hw_latency_lines); pstate->plane_fetch_bw = max(plane_bw, plane_prefill_bw); } /** * _dpu_plane_calc_clk - calculate clock required for a plane * @plane: Pointer to drm plane. * Result: Updates calculated clock in the plane state. * Clock equation: dst_w * v_total * fps * (src_h / dst_h) */ static void _dpu_plane_calc_clk(struct drm_plane *plane) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_plane_state *pstate; struct drm_display_mode *mode; int dst_width, src_height, dst_height, fps; pstate = to_dpu_plane_state(plane->state); mode = &plane->state->crtc->mode; src_height = drm_rect_height(&pdpu->pipe_cfg.src_rect); dst_width = drm_rect_width(&pdpu->pipe_cfg.dst_rect); dst_height = drm_rect_height(&pdpu->pipe_cfg.dst_rect); fps = drm_mode_vrefresh(mode); pstate->plane_clk = dst_width * mode->vtotal * fps; if (src_height > dst_height) { pstate->plane_clk *= src_height; do_div(pstate->plane_clk, dst_height); } } /** * _dpu_plane_calc_fill_level - calculate fill level of the given source format * @plane: Pointer to drm plane * @fmt: Pointer to source buffer format * @src_width: width of source buffer * Return: fill level corresponding to the source buffer/format or 0 if error */ static int _dpu_plane_calc_fill_level(struct drm_plane *plane, const struct dpu_format *fmt, u32 src_width) { struct dpu_plane *pdpu, *tmp; struct dpu_plane_state *pstate; u32 fixed_buff_size; u32 total_fl; if (!fmt || !plane->state || !src_width || !fmt->bpp) { DPU_ERROR("invalid arguments\n"); return 0; } pdpu = to_dpu_plane(plane); pstate = to_dpu_plane_state(plane->state); fixed_buff_size = pdpu->catalog->caps->pixel_ram_size; list_for_each_entry(tmp, &pdpu->mplane_list, mplane_list) { if (!tmp->base.state->visible) continue; DPU_DEBUG("plane%d/%d src_width:%d/%d\n", pdpu->base.base.id, tmp->base.base.id, src_width, drm_rect_width(&tmp->pipe_cfg.src_rect)); src_width = max_t(u32, src_width, drm_rect_width(&tmp->pipe_cfg.src_rect)); } if (fmt->fetch_planes == DPU_PLANE_PSEUDO_PLANAR) { if (fmt->chroma_sample == DPU_CHROMA_420) { /* NV12 */ total_fl = (fixed_buff_size / 2) / ((src_width + 32) * fmt->bpp); } else { /* non NV12 */ total_fl = (fixed_buff_size / 2) * 2 / ((src_width + 32) * fmt->bpp); } } else { if (pstate->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) { total_fl = (fixed_buff_size / 2) * 2 / ((src_width + 32) * fmt->bpp); } else { total_fl = (fixed_buff_size) * 2 / ((src_width + 32) * fmt->bpp); } } DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s w:%u fl:%u\n", pdpu->pipe - SSPP_VIG0, (char *)&fmt->base.pixel_format, src_width, total_fl); return total_fl; } /** * _dpu_plane_get_qos_lut - get LUT mapping based on fill level * @tbl: Pointer to LUT table * @total_fl: fill level * Return: LUT setting corresponding to the fill level */ static u64 _dpu_plane_get_qos_lut(const struct dpu_qos_lut_tbl *tbl, u32 total_fl) { int i; if (!tbl || !tbl->nentry || !tbl->entries) return 0; for (i = 0; i < tbl->nentry; i++) if (total_fl <= tbl->entries[i].fl) return tbl->entries[i].lut; /* if last fl is zero, use as default */ if (!tbl->entries[i-1].fl) return tbl->entries[i-1].lut; return 0; } /** * _dpu_plane_set_qos_lut - set QoS LUT of the given plane * @plane: Pointer to drm plane * @fb: Pointer to framebuffer associated with the given plane */ static void _dpu_plane_set_qos_lut(struct drm_plane *plane, struct drm_framebuffer *fb) { struct dpu_plane *pdpu = to_dpu_plane(plane); const struct dpu_format *fmt = NULL; u64 qos_lut; u32 total_fl = 0, lut_usage; if (!pdpu->is_rt_pipe) { lut_usage = DPU_QOS_LUT_USAGE_NRT; } else { fmt = dpu_get_dpu_format_ext( fb->format->format, fb->modifier); total_fl = _dpu_plane_calc_fill_level(plane, fmt, drm_rect_width(&pdpu->pipe_cfg.src_rect)); if (fmt && DPU_FORMAT_IS_LINEAR(fmt)) lut_usage = DPU_QOS_LUT_USAGE_LINEAR; else lut_usage = DPU_QOS_LUT_USAGE_MACROTILE; } qos_lut = _dpu_plane_get_qos_lut( &pdpu->catalog->perf.qos_lut_tbl[lut_usage], total_fl); pdpu->pipe_qos_cfg.creq_lut = qos_lut; trace_dpu_perf_set_qos_luts(pdpu->pipe - SSPP_VIG0, (fmt) ? fmt->base.pixel_format : 0, pdpu->is_rt_pipe, total_fl, qos_lut, lut_usage); DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s rt:%d fl:%u lut:0x%llx\n", pdpu->pipe - SSPP_VIG0, fmt ? (char *)&fmt->base.pixel_format : NULL, pdpu->is_rt_pipe, total_fl, qos_lut); pdpu->pipe_hw->ops.setup_creq_lut(pdpu->pipe_hw, &pdpu->pipe_qos_cfg); } /** * _dpu_plane_set_danger_lut - set danger/safe LUT of the given plane * @plane: Pointer to drm plane * @fb: Pointer to framebuffer associated with the given plane */ static void _dpu_plane_set_danger_lut(struct drm_plane *plane, struct drm_framebuffer *fb) { struct dpu_plane *pdpu = to_dpu_plane(plane); const struct dpu_format *fmt = NULL; u32 danger_lut, safe_lut; if (!pdpu->is_rt_pipe) { danger_lut = pdpu->catalog->perf.danger_lut_tbl [DPU_QOS_LUT_USAGE_NRT]; safe_lut = pdpu->catalog->perf.safe_lut_tbl [DPU_QOS_LUT_USAGE_NRT]; } else { fmt = dpu_get_dpu_format_ext( fb->format->format, fb->modifier); if (fmt && DPU_FORMAT_IS_LINEAR(fmt)) { danger_lut = pdpu->catalog->perf.danger_lut_tbl [DPU_QOS_LUT_USAGE_LINEAR]; safe_lut = pdpu->catalog->perf.safe_lut_tbl [DPU_QOS_LUT_USAGE_LINEAR]; } else { danger_lut = pdpu->catalog->perf.danger_lut_tbl [DPU_QOS_LUT_USAGE_MACROTILE]; safe_lut = pdpu->catalog->perf.safe_lut_tbl [DPU_QOS_LUT_USAGE_MACROTILE]; } } pdpu->pipe_qos_cfg.danger_lut = danger_lut; pdpu->pipe_qos_cfg.safe_lut = safe_lut; trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0, (fmt) ? fmt->base.pixel_format : 0, (fmt) ? fmt->fetch_mode : 0, pdpu->pipe_qos_cfg.danger_lut, pdpu->pipe_qos_cfg.safe_lut); DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s mode:%d luts[0x%x, 0x%x]\n", pdpu->pipe - SSPP_VIG0, fmt ? (char *)&fmt->base.pixel_format : NULL, fmt ? fmt->fetch_mode : -1, pdpu->pipe_qos_cfg.danger_lut, pdpu->pipe_qos_cfg.safe_lut); pdpu->pipe_hw->ops.setup_danger_safe_lut(pdpu->pipe_hw, &pdpu->pipe_qos_cfg); } /** * _dpu_plane_set_qos_ctrl - set QoS control of the given plane * @plane: Pointer to drm plane * @enable: true to enable QoS control * @flags: QoS control mode (enum dpu_plane_qos) */ static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane, bool enable, u32 flags) { struct dpu_plane *pdpu = to_dpu_plane(plane); if (flags & DPU_PLANE_QOS_VBLANK_CTRL) { pdpu->pipe_qos_cfg.creq_vblank = pdpu->pipe_sblk->creq_vblank; pdpu->pipe_qos_cfg.danger_vblank = pdpu->pipe_sblk->danger_vblank; pdpu->pipe_qos_cfg.vblank_en = enable; } if (flags & DPU_PLANE_QOS_VBLANK_AMORTIZE) { /* this feature overrules previous VBLANK_CTRL */ pdpu->pipe_qos_cfg.vblank_en = false; pdpu->pipe_qos_cfg.creq_vblank = 0; /* clear vblank bits */ } if (flags & DPU_PLANE_QOS_PANIC_CTRL) pdpu->pipe_qos_cfg.danger_safe_en = enable; if (!pdpu->is_rt_pipe) { pdpu->pipe_qos_cfg.vblank_en = false; pdpu->pipe_qos_cfg.danger_safe_en = false; } DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d vb:%d pri[0x%x, 0x%x] is_rt:%d\n", pdpu->pipe - SSPP_VIG0, pdpu->pipe_qos_cfg.danger_safe_en, pdpu->pipe_qos_cfg.vblank_en, pdpu->pipe_qos_cfg.creq_vblank, pdpu->pipe_qos_cfg.danger_vblank, pdpu->is_rt_pipe); pdpu->pipe_hw->ops.setup_qos_ctrl(pdpu->pipe_hw, &pdpu->pipe_qos_cfg); } /** * _dpu_plane_set_ot_limit - set OT limit for the given plane * @plane: Pointer to drm plane * @crtc: Pointer to drm crtc */ static void _dpu_plane_set_ot_limit(struct drm_plane *plane, struct drm_crtc *crtc) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_vbif_set_ot_params ot_params; struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); memset(&ot_params, 0, sizeof(ot_params)); ot_params.xin_id = pdpu->pipe_hw->cap->xin_id; ot_params.num = pdpu->pipe_hw->idx - SSPP_NONE; ot_params.width = drm_rect_width(&pdpu->pipe_cfg.src_rect); ot_params.height = drm_rect_height(&pdpu->pipe_cfg.src_rect); ot_params.is_wfd = !pdpu->is_rt_pipe; ot_params.frame_rate = drm_mode_vrefresh(&crtc->mode); ot_params.vbif_idx = VBIF_RT; ot_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl; ot_params.rd = true; dpu_vbif_set_ot_limit(dpu_kms, &ot_params); } /** * _dpu_plane_set_qos_remap - set vbif QoS for the given plane * @plane: Pointer to drm plane */ static void _dpu_plane_set_qos_remap(struct drm_plane *plane) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_vbif_set_qos_params qos_params; struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); memset(&qos_params, 0, sizeof(qos_params)); qos_params.vbif_idx = VBIF_RT; qos_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl; qos_params.xin_id = pdpu->pipe_hw->cap->xin_id; qos_params.num = pdpu->pipe_hw->idx - SSPP_VIG0; qos_params.is_rt = pdpu->is_rt_pipe; DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n", qos_params.num, qos_params.vbif_idx, qos_params.xin_id, qos_params.is_rt, qos_params.clk_ctrl); dpu_vbif_set_qos_remap(dpu_kms, &qos_params); } static void _dpu_plane_set_scanout(struct drm_plane *plane, struct dpu_plane_state *pstate, struct dpu_hw_pipe_cfg *pipe_cfg, struct drm_framebuffer *fb) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base); struct msm_gem_address_space *aspace = kms->base.aspace; int ret; ret = dpu_format_populate_layout(aspace, fb, &pipe_cfg->layout); if (ret == -EAGAIN) DPU_DEBUG_PLANE(pdpu, "not updating same src addrs\n"); else if (ret) DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret); else if (pdpu->pipe_hw->ops.setup_sourceaddress) { trace_dpu_plane_set_scanout(pdpu->pipe_hw->idx, &pipe_cfg->layout, pstate->multirect_index); pdpu->pipe_hw->ops.setup_sourceaddress(pdpu->pipe_hw, pipe_cfg, pstate->multirect_index); } } static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu, struct dpu_plane_state *pstate, 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 dpu_format *fmt, uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v) { uint32_t i; memset(scale_cfg, 0, sizeof(*scale_cfg)); memset(&pstate->pixel_ext, 0, sizeof(struct dpu_hw_pixel_ext)); scale_cfg->phase_step_x[DPU_SSPP_COMP_0] = mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w); scale_cfg->phase_step_y[DPU_SSPP_COMP_0] = mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h); scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] = scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v; scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] = scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h; scale_cfg->phase_step_x[DPU_SSPP_COMP_2] = scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2]; scale_cfg->phase_step_y[DPU_SSPP_COMP_2] = scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2]; scale_cfg->phase_step_x[DPU_SSPP_COMP_3] = scale_cfg->phase_step_x[DPU_SSPP_COMP_0]; scale_cfg->phase_step_y[DPU_SSPP_COMP_3] = scale_cfg->phase_step_y[DPU_SSPP_COMP_0]; for (i = 0; i < DPU_MAX_PLANES; i++) { scale_cfg->src_width[i] = src_w; scale_cfg->src_height[i] = src_h; if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) { scale_cfg->src_width[i] /= chroma_subsmpl_h; scale_cfg->src_height[i] /= chroma_subsmpl_v; } if (pdpu->pipe_hw->cap->features & BIT(DPU_SSPP_SCALER_QSEED4)) { scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H; scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V; } else { scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H; scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V; } pstate->pixel_ext.num_ext_pxls_top[i] = scale_cfg->src_height[i]; pstate->pixel_ext.num_ext_pxls_left[i] = scale_cfg->src_width[i]; } if (!(DPU_FORMAT_IS_YUV(fmt)) && (src_h == dst_h) && (src_w == dst_w)) return; scale_cfg->dst_width = dst_w; scale_cfg->dst_height = dst_h; scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL; scale_cfg->uv_filter_cfg = DPU_SCALE_BIL; scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL; scale_cfg->lut_flag = 0; scale_cfg->blend_cfg = 1; scale_cfg->enable = 1; } static void _dpu_plane_setup_csc(struct dpu_plane *pdpu) { static const struct dpu_csc_cfg dpu_csc_YUV2RGB_601L = { { /* S15.16 format */ 0x00012A00, 0x00000000, 0x00019880, 0x00012A00, 0xFFFF9B80, 0xFFFF3000, 0x00012A00, 0x00020480, 0x00000000, }, /* signed bias */ { 0xfff0, 0xff80, 0xff80,}, { 0x0, 0x0, 0x0,}, /* unsigned clamp */ { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0,}, { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,}, }; static const struct dpu_csc_cfg dpu_csc10_YUV2RGB_601L = { { /* S15.16 format */ 0x00012A00, 0x00000000, 0x00019880, 0x00012A00, 0xFFFF9B80, 0xFFFF3000, 0x00012A00, 0x00020480, 0x00000000, }, /* signed bias */ { 0xffc0, 0xfe00, 0xfe00,}, { 0x0, 0x0, 0x0,}, /* unsigned clamp */ { 0x40, 0x3ac, 0x40, 0x3c0, 0x40, 0x3c0,}, { 0x00, 0x3ff, 0x00, 0x3ff, 0x00, 0x3ff,}, }; if (!pdpu) { DPU_ERROR("invalid plane\n"); return; } if (BIT(DPU_SSPP_CSC_10BIT) & pdpu->features) pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc10_YUV2RGB_601L; else pdpu->csc_ptr = (struct dpu_csc_cfg *)&dpu_csc_YUV2RGB_601L; DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n", pdpu->csc_ptr->csc_mv[0], pdpu->csc_ptr->csc_mv[1], pdpu->csc_ptr->csc_mv[2]); } static void _dpu_plane_setup_scaler(struct dpu_plane *pdpu, struct dpu_plane_state *pstate, const struct dpu_format *fmt, bool color_fill) { const struct drm_format_info *info = drm_format_info(fmt->base.pixel_format); /* don't chroma subsample if decimating */ /* update scaler. calculate default config for QSEED3 */ _dpu_plane_setup_scaler3(pdpu, pstate, drm_rect_width(&pdpu->pipe_cfg.src_rect), drm_rect_height(&pdpu->pipe_cfg.src_rect), drm_rect_width(&pdpu->pipe_cfg.dst_rect), drm_rect_height(&pdpu->pipe_cfg.dst_rect), &pstate->scaler3_cfg, fmt, info->hsub, info->vsub); } /** * _dpu_plane_color_fill - enables color fill on plane * @pdpu: Pointer to DPU plane object * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red * @alpha: 8-bit fill alpha value, 255 selects 100% alpha * Returns: 0 on success */ static int _dpu_plane_color_fill(struct dpu_plane *pdpu, uint32_t color, uint32_t alpha) { const struct dpu_format *fmt; const struct drm_plane *plane = &pdpu->base; struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state); DPU_DEBUG_PLANE(pdpu, "\n"); /* * select fill format to match user property expectation, * h/w only supports RGB variants */ fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888); /* update sspp */ if (fmt && pdpu->pipe_hw->ops.setup_solidfill) { pdpu->pipe_hw->ops.setup_solidfill(pdpu->pipe_hw, (color & 0xFFFFFF) | ((alpha & 0xFF) << 24), pstate->multirect_index); /* override scaler/decimation if solid fill */ pdpu->pipe_cfg.src_rect.x1 = 0; pdpu->pipe_cfg.src_rect.y1 = 0; pdpu->pipe_cfg.src_rect.x2 = drm_rect_width(&pdpu->pipe_cfg.dst_rect); pdpu->pipe_cfg.src_rect.y2 = drm_rect_height(&pdpu->pipe_cfg.dst_rect); _dpu_plane_setup_scaler(pdpu, pstate, fmt, true); if (pdpu->pipe_hw->ops.setup_format) pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, DPU_SSPP_SOLID_FILL, pstate->multirect_index); if (pdpu->pipe_hw->ops.setup_rects) pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw, &pdpu->pipe_cfg, pstate->multirect_index); if (pdpu->pipe_hw->ops.setup_pe) pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw, &pstate->pixel_ext); if (pdpu->pipe_hw->ops.setup_scaler && pstate->multirect_index != DPU_SSPP_RECT_1) pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw, &pdpu->pipe_cfg, &pstate->pixel_ext, &pstate->scaler3_cfg); } return 0; } void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state) { struct dpu_plane_state *pstate = to_dpu_plane_state(drm_state); pstate->multirect_index = DPU_SSPP_RECT_SOLO; pstate->multirect_mode = DPU_SSPP_MULTIRECT_NONE; } int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane) { struct dpu_plane_state *pstate[R_MAX]; const struct drm_plane_state *drm_state[R_MAX]; struct drm_rect src[R_MAX], dst[R_MAX]; struct dpu_plane *dpu_plane[R_MAX]; const struct dpu_format *fmt[R_MAX]; int i, buffer_lines; unsigned int max_tile_height = 1; bool parallel_fetch_qualified = true; bool has_tiled_rect = false; for (i = 0; i < R_MAX; i++) { const struct msm_format *msm_fmt; drm_state[i] = i ? plane->r1 : plane->r0; msm_fmt = msm_framebuffer_format(drm_state[i]->fb); fmt[i] = to_dpu_format(msm_fmt); if (DPU_FORMAT_IS_UBWC(fmt[i])) { has_tiled_rect = true; if (fmt[i]->tile_height > max_tile_height) max_tile_height = fmt[i]->tile_height; } } for (i = 0; i < R_MAX; i++) { int width_threshold; pstate[i] = to_dpu_plane_state(drm_state[i]); dpu_plane[i] = to_dpu_plane(drm_state[i]->plane); if (pstate[i] == NULL) { DPU_ERROR("DPU plane state of plane id %d is NULL\n", drm_state[i]->plane->base.id); return -EINVAL; } src[i].x1 = drm_state[i]->src_x >> 16; src[i].y1 = drm_state[i]->src_y >> 16; src[i].x2 = src[i].x1 + (drm_state[i]->src_w >> 16); src[i].y2 = src[i].y1 + (drm_state[i]->src_h >> 16); dst[i] = drm_plane_state_dest(drm_state[i]); if (drm_rect_calc_hscale(&src[i], &dst[i], 1, 1) != 1 || drm_rect_calc_vscale(&src[i], &dst[i], 1, 1) != 1) { DPU_ERROR_PLANE(dpu_plane[i], "scaling is not supported in multirect mode\n"); return -EINVAL; } if (DPU_FORMAT_IS_YUV(fmt[i])) { DPU_ERROR_PLANE(dpu_plane[i], "Unsupported format for multirect mode\n"); return -EINVAL; } /** * SSPP PD_MEM is split half - one for each RECT. * Tiled formats need 5 lines of buffering while fetching * whereas linear formats need only 2 lines. * So we cannot support more than half of the supported SSPP * width for tiled formats. */ width_threshold = dpu_plane[i]->catalog->caps->max_linewidth; if (has_tiled_rect) width_threshold /= 2; if (parallel_fetch_qualified && drm_rect_width(&src[i]) > width_threshold) parallel_fetch_qualified = false; } /* Validate RECT's and set the mode */ /* Prefer PARALLEL FETCH Mode over TIME_MX Mode */ if (parallel_fetch_qualified) { pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; goto done; } /* TIME_MX Mode */ buffer_lines = 2 * max_tile_height; if (dst[R1].y1 >= dst[R0].y2 + buffer_lines || dst[R0].y1 >= dst[R1].y2 + buffer_lines) { pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX; pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX; } else { DPU_ERROR( "No multirect mode possible for the planes (%d - %d)\n", drm_state[R0]->plane->base.id, drm_state[R1]->plane->base.id); return -EINVAL; } done: if (dpu_plane[R0]->is_virtual) { pstate[R0]->multirect_index = DPU_SSPP_RECT_1; pstate[R1]->multirect_index = DPU_SSPP_RECT_0; } else { pstate[R0]->multirect_index = DPU_SSPP_RECT_0; pstate[R1]->multirect_index = DPU_SSPP_RECT_1; } DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n", pstate[R0]->multirect_mode, pstate[R0]->multirect_index); DPU_DEBUG_PLANE(dpu_plane[R1], "R1: %d - %d\n", pstate[R1]->multirect_mode, pstate[R1]->multirect_index); return 0; } /** * dpu_plane_get_ctl_flush - get control flush for the given plane * @plane: Pointer to drm plane structure * @ctl: Pointer to hardware control driver * @flush_sspp: Pointer to sspp flush control word */ void dpu_plane_get_ctl_flush(struct drm_plane *plane, struct dpu_hw_ctl *ctl, u32 *flush_sspp) { *flush_sspp = ctl->ops.get_bitmask_sspp(ctl, dpu_plane_pipe(plane)); } static int dpu_plane_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { struct drm_framebuffer *fb = new_state->fb; struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_plane_state *pstate = to_dpu_plane_state(new_state); struct dpu_hw_fmt_layout layout; struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base); int ret; if (!new_state->fb) return 0; DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id); /* cache aspace */ pstate->aspace = kms->base.aspace; /* * TODO: Need to sort out the msm_framebuffer_prepare() call below so * we can use msm_atomic_prepare_fb() instead of doing the * implicit fence and fb prepare by hand here. */ drm_gem_plane_helper_prepare_fb(plane, new_state); if (pstate->aspace) { ret = msm_framebuffer_prepare(new_state->fb, pstate->aspace, pstate->needs_dirtyfb); if (ret) { DPU_ERROR("failed to prepare framebuffer\n"); return ret; } } /* validate framebuffer layout before commit */ ret = dpu_format_populate_layout(pstate->aspace, new_state->fb, &layout); if (ret) { DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret); return ret; } return 0; } static void dpu_plane_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_plane_state *old_pstate; if (!old_state || !old_state->fb) return; old_pstate = to_dpu_plane_state(old_state); DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id); msm_framebuffer_cleanup(old_state->fb, old_pstate->aspace, old_pstate->needs_dirtyfb); } static bool dpu_plane_validate_src(struct drm_rect *src, struct drm_rect *fb_rect, uint32_t min_src_size) { /* Ensure fb size is supported */ if (drm_rect_width(fb_rect) > MAX_IMG_WIDTH || drm_rect_height(fb_rect) > MAX_IMG_HEIGHT) return false; /* Ensure src rect is above the minimum size */ if (drm_rect_width(src) < min_src_size || drm_rect_height(src) < min_src_size) return false; /* Ensure src is fully encapsulated in fb */ return drm_rect_intersect(fb_rect, src) && drm_rect_equals(fb_rect, src); } static int dpu_plane_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); int ret = 0, min_scale; struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state); const struct drm_crtc_state *crtc_state = NULL; const struct dpu_format *fmt; struct drm_rect src, dst, fb_rect = { 0 }; uint32_t min_src_size, max_linewidth; if (new_plane_state->crtc) crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_state->crtc); min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxupscale); ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, min_scale, pdpu->pipe_sblk->maxdwnscale << 16, true, true); if (ret) { DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret); return ret; } if (!new_plane_state->visible) return 0; src.x1 = new_plane_state->src_x >> 16; src.y1 = new_plane_state->src_y >> 16; src.x2 = src.x1 + (new_plane_state->src_w >> 16); src.y2 = src.y1 + (new_plane_state->src_h >> 16); dst = drm_plane_state_dest(new_plane_state); fb_rect.x2 = new_plane_state->fb->width; fb_rect.y2 = new_plane_state->fb->height; max_linewidth = pdpu->catalog->caps->max_linewidth; fmt = to_dpu_format(msm_framebuffer_format(new_plane_state->fb)); min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1; if (DPU_FORMAT_IS_YUV(fmt) && (!(pdpu->features & DPU_SSPP_SCALER) || !(pdpu->features & (BIT(DPU_SSPP_CSC) | BIT(DPU_SSPP_CSC_10BIT))))) { DPU_DEBUG_PLANE(pdpu, "plane doesn't have scaler/csc for yuv\n"); return -EINVAL; /* check src bounds */ } else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) { DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n", DRM_RECT_ARG(&src)); return -E2BIG; /* valid yuv image */ } else if (DPU_FORMAT_IS_YUV(fmt) && (src.x1 & 0x1 || src.y1 & 0x1 || drm_rect_width(&src) & 0x1 || drm_rect_height(&src) & 0x1)) { DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n", DRM_RECT_ARG(&src)); return -EINVAL; /* min dst support */ } else if (drm_rect_width(&dst) < 0x1 || drm_rect_height(&dst) < 0x1) { DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n", DRM_RECT_ARG(&dst)); return -EINVAL; /* check decimated source width */ } else if (drm_rect_width(&src) > max_linewidth) { DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n", DRM_RECT_ARG(&src), max_linewidth); return -E2BIG; } pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state); return 0; } void dpu_plane_flush(struct drm_plane *plane) { struct dpu_plane *pdpu; struct dpu_plane_state *pstate; if (!plane || !plane->state) { DPU_ERROR("invalid plane\n"); return; } pdpu = to_dpu_plane(plane); pstate = to_dpu_plane_state(plane->state); /* * These updates have to be done immediately before the plane flush * timing, and may not be moved to the atomic_update/mode_set functions. */ if (pdpu->is_error) /* force white frame with 100% alpha pipe output on error */ _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF); else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) /* force 100% alpha */ _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF); else if (pdpu->pipe_hw && pdpu->csc_ptr && pdpu->pipe_hw->ops.setup_csc) pdpu->pipe_hw->ops.setup_csc(pdpu->pipe_hw, pdpu->csc_ptr); /* flag h/w flush complete */ if (plane->state) pstate->pending = false; } /** * dpu_plane_set_error: enable/disable error condition * @plane: pointer to drm_plane structure * @error: error value to set */ void dpu_plane_set_error(struct drm_plane *plane, bool error) { struct dpu_plane *pdpu; if (!plane) return; pdpu = to_dpu_plane(plane); pdpu->is_error = error; } static void dpu_plane_sspp_atomic_update(struct drm_plane *plane) { uint32_t src_flags; struct dpu_plane *pdpu = to_dpu_plane(plane); struct drm_plane_state *state = plane->state; struct dpu_plane_state *pstate = to_dpu_plane_state(state); struct drm_crtc *crtc = state->crtc; struct drm_framebuffer *fb = state->fb; bool is_rt_pipe; const struct dpu_format *fmt = to_dpu_format(msm_framebuffer_format(fb)); memset(&(pdpu->pipe_cfg), 0, sizeof(struct dpu_hw_pipe_cfg)); _dpu_plane_set_scanout(plane, pstate, &pdpu->pipe_cfg, fb); pstate->pending = true; is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT); pstate->needs_qos_remap |= (is_rt_pipe != pdpu->is_rt_pipe); pdpu->is_rt_pipe = is_rt_pipe; _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL); DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT ", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src), crtc->base.id, DRM_RECT_ARG(&state->dst), (char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt)); pdpu->pipe_cfg.src_rect = state->src; /* state->src is 16.16, src_rect is not */ pdpu->pipe_cfg.src_rect.x1 >>= 16; pdpu->pipe_cfg.src_rect.x2 >>= 16; pdpu->pipe_cfg.src_rect.y1 >>= 16; pdpu->pipe_cfg.src_rect.y2 >>= 16; pdpu->pipe_cfg.dst_rect = state->dst; _dpu_plane_setup_scaler(pdpu, pstate, fmt, false); /* override for color fill */ if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) { /* skip remaining processing on color fill */ return; } if (pdpu->pipe_hw->ops.setup_rects) { pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw, &pdpu->pipe_cfg, pstate->multirect_index); } if (pdpu->pipe_hw->ops.setup_pe && (pstate->multirect_index != DPU_SSPP_RECT_1)) pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw, &pstate->pixel_ext); /** * when programmed in multirect mode, scalar block will be * bypassed. Still we need to update alpha and bitwidth * ONLY for RECT0 */ if (pdpu->pipe_hw->ops.setup_scaler && pstate->multirect_index != DPU_SSPP_RECT_1) pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw, &pdpu->pipe_cfg, &pstate->pixel_ext, &pstate->scaler3_cfg); if (pdpu->pipe_hw->ops.setup_multirect) pdpu->pipe_hw->ops.setup_multirect( pdpu->pipe_hw, pstate->multirect_index, pstate->multirect_mode); if (pdpu->pipe_hw->ops.setup_format) { unsigned int rotation; src_flags = 0x0; rotation = drm_rotation_simplify(state->rotation, DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); if (rotation & DRM_MODE_REFLECT_X) src_flags |= DPU_SSPP_FLIP_LR; if (rotation & DRM_MODE_REFLECT_Y) src_flags |= DPU_SSPP_FLIP_UD; /* update format */ pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags, pstate->multirect_index); if (pdpu->pipe_hw->ops.setup_cdp) { struct dpu_hw_pipe_cdp_cfg *cdp_cfg = &pstate->cdp_cfg; memset(cdp_cfg, 0, sizeof(struct dpu_hw_pipe_cdp_cfg)); cdp_cfg->enable = pdpu->catalog->perf.cdp_cfg [DPU_PERF_CDP_USAGE_RT].rd_enable; cdp_cfg->ubwc_meta_enable = DPU_FORMAT_IS_UBWC(fmt); cdp_cfg->tile_amortize_enable = DPU_FORMAT_IS_UBWC(fmt) || DPU_FORMAT_IS_TILE(fmt); cdp_cfg->preload_ahead = DPU_SSPP_CDP_PRELOAD_AHEAD_64; pdpu->pipe_hw->ops.setup_cdp(pdpu->pipe_hw, cdp_cfg); } /* update csc */ if (DPU_FORMAT_IS_YUV(fmt)) _dpu_plane_setup_csc(pdpu); else pdpu->csc_ptr = 0; } _dpu_plane_set_qos_lut(plane, fb); _dpu_plane_set_danger_lut(plane, fb); if (plane->type != DRM_PLANE_TYPE_CURSOR) { _dpu_plane_set_qos_ctrl(plane, true, DPU_PLANE_QOS_PANIC_CTRL); _dpu_plane_set_ot_limit(plane, crtc); } if (pstate->needs_qos_remap) { pstate->needs_qos_remap = false; _dpu_plane_set_qos_remap(plane); } _dpu_plane_calc_bw(plane, fb); _dpu_plane_calc_clk(plane); } static void _dpu_plane_atomic_disable(struct drm_plane *plane) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct drm_plane_state *state = plane->state; struct dpu_plane_state *pstate = to_dpu_plane_state(state); trace_dpu_plane_disable(DRMID(plane), is_dpu_plane_virtual(plane), pstate->multirect_mode); pstate->pending = true; if (is_dpu_plane_virtual(plane) && pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_multirect) pdpu->pipe_hw->ops.setup_multirect(pdpu->pipe_hw, DPU_SSPP_RECT_SOLO, DPU_SSPP_MULTIRECT_NONE); } static void dpu_plane_atomic_update(struct drm_plane *plane, struct drm_atomic_state *state) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); pdpu->is_error = false; DPU_DEBUG_PLANE(pdpu, "\n"); if (!new_state->visible) { _dpu_plane_atomic_disable(plane); } else { dpu_plane_sspp_atomic_update(plane); } } static void dpu_plane_destroy(struct drm_plane *plane) { struct dpu_plane *pdpu = plane ? to_dpu_plane(plane) : NULL; DPU_DEBUG_PLANE(pdpu, "\n"); if (pdpu) { _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL); mutex_destroy(&pdpu->lock); /* this will destroy the states as well */ drm_plane_cleanup(plane); dpu_hw_sspp_destroy(pdpu->pipe_hw); kfree(pdpu); } } static void dpu_plane_destroy_state(struct drm_plane *plane, struct drm_plane_state *state) { __drm_atomic_helper_plane_destroy_state(state); kfree(to_dpu_plane_state(state)); } static struct drm_plane_state * dpu_plane_duplicate_state(struct drm_plane *plane) { struct dpu_plane *pdpu; struct dpu_plane_state *pstate; struct dpu_plane_state *old_state; if (!plane) { DPU_ERROR("invalid plane\n"); return NULL; } else if (!plane->state) { DPU_ERROR("invalid plane state\n"); return NULL; } old_state = to_dpu_plane_state(plane->state); pdpu = to_dpu_plane(plane); pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL); if (!pstate) { DPU_ERROR_PLANE(pdpu, "failed to allocate state\n"); return NULL; } DPU_DEBUG_PLANE(pdpu, "\n"); pstate->pending = false; __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base); return &pstate->base; } static void dpu_plane_reset(struct drm_plane *plane) { struct dpu_plane *pdpu; struct dpu_plane_state *pstate; if (!plane) { DPU_ERROR("invalid plane\n"); return; } pdpu = to_dpu_plane(plane); DPU_DEBUG_PLANE(pdpu, "\n"); /* remove previous state, if present */ if (plane->state) { dpu_plane_destroy_state(plane, plane->state); plane->state = 0; } pstate = kzalloc(sizeof(*pstate), GFP_KERNEL); if (!pstate) { DPU_ERROR_PLANE(pdpu, "failed to allocate state\n"); return; } __drm_atomic_helper_plane_reset(plane, &pstate->base); } #ifdef CONFIG_DEBUG_FS static void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); if (!pdpu->is_rt_pipe) return; pm_runtime_get_sync(&dpu_kms->pdev->dev); _dpu_plane_set_qos_ctrl(plane, enable, DPU_PLANE_QOS_PANIC_CTRL); pm_runtime_put_sync(&dpu_kms->pdev->dev); } static ssize_t _dpu_plane_danger_read(struct file *file, char __user *buff, size_t count, loff_t *ppos) { struct dpu_kms *kms = file->private_data; int len; char buf[40]; len = scnprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl); return simple_read_from_buffer(buff, count, ppos, buf, len); } static void _dpu_plane_set_danger_state(struct dpu_kms *kms, bool enable) { struct drm_plane *plane; drm_for_each_plane(plane, kms->dev) { if (plane->fb && plane->state) { dpu_plane_danger_signal_ctrl(plane, enable); DPU_DEBUG("plane:%d img:%dx%d ", plane->base.id, plane->fb->width, plane->fb->height); DPU_DEBUG("src[%d,%d,%d,%d] dst[%d,%d,%d,%d]\n", plane->state->src_x >> 16, plane->state->src_y >> 16, plane->state->src_w >> 16, plane->state->src_h >> 16, plane->state->crtc_x, plane->state->crtc_y, plane->state->crtc_w, plane->state->crtc_h); } else { DPU_DEBUG("Inactive plane:%d\n", plane->base.id); } } } static ssize_t _dpu_plane_danger_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct dpu_kms *kms = file->private_data; int disable_panic; int ret; ret = kstrtouint_from_user(user_buf, count, 0, &disable_panic); if (ret) return ret; if (disable_panic) { /* Disable panic signal for all active pipes */ DPU_DEBUG("Disabling danger:\n"); _dpu_plane_set_danger_state(kms, false); kms->has_danger_ctrl = false; } else { /* Enable panic signal for all active pipes */ DPU_DEBUG("Enabling danger:\n"); kms->has_danger_ctrl = true; _dpu_plane_set_danger_state(kms, true); } return count; } static const struct file_operations dpu_plane_danger_enable = { .open = simple_open, .read = _dpu_plane_danger_read, .write = _dpu_plane_danger_write, }; static int _dpu_plane_init_debugfs(struct drm_plane *plane) { struct dpu_plane *pdpu = to_dpu_plane(plane); struct dpu_kms *kms = _dpu_plane_get_kms(plane); const struct dpu_sspp_cfg *cfg = pdpu->pipe_hw->cap; const struct dpu_sspp_sub_blks *sblk = cfg->sblk; /* create overall sub-directory for the pipe */ pdpu->debugfs_root = debugfs_create_dir(pdpu->pipe_name, plane->dev->primary->debugfs_root); /* don't error check these */ debugfs_create_x32("features", 0600, pdpu->debugfs_root, &pdpu->features); /* add register dump support */ dpu_debugfs_setup_regset32(&pdpu->debugfs_src, sblk->src_blk.base + cfg->base, sblk->src_blk.len, kms); dpu_debugfs_create_regset32("src_blk", 0400, pdpu->debugfs_root, &pdpu->debugfs_src); if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) || cfg->features & BIT(DPU_SSPP_SCALER_QSEED3LITE) || cfg->features & BIT(DPU_SSPP_SCALER_QSEED2) || cfg->features & BIT(DPU_SSPP_SCALER_QSEED4)) { dpu_debugfs_setup_regset32(&pdpu->debugfs_scaler, sblk->scaler_blk.base + cfg->base, sblk->scaler_blk.len, kms); dpu_debugfs_create_regset32("scaler_blk", 0400, pdpu->debugfs_root, &pdpu->debugfs_scaler); debugfs_create_bool("default_scaling", 0600, pdpu->debugfs_root, &pdpu->debugfs_default_scale); } if (cfg->features & BIT(DPU_SSPP_CSC) || cfg->features & BIT(DPU_SSPP_CSC_10BIT)) { dpu_debugfs_setup_regset32(&pdpu->debugfs_csc, sblk->csc_blk.base + cfg->base, sblk->csc_blk.len, kms); dpu_debugfs_create_regset32("csc_blk", 0400, pdpu->debugfs_root, &pdpu->debugfs_csc); } debugfs_create_u32("xin_id", 0400, pdpu->debugfs_root, (u32 *) &cfg->xin_id); debugfs_create_u32("clk_ctrl", 0400, pdpu->debugfs_root, (u32 *) &cfg->clk_ctrl); debugfs_create_x32("creq_vblank", 0600, pdpu->debugfs_root, (u32 *) &sblk->creq_vblank); debugfs_create_x32("danger_vblank", 0600, pdpu->debugfs_root, (u32 *) &sblk->danger_vblank); debugfs_create_file("disable_danger", 0600, pdpu->debugfs_root, kms, &dpu_plane_danger_enable); return 0; } #else static int _dpu_plane_init_debugfs(struct drm_plane *plane) { return 0; } #endif static int dpu_plane_late_register(struct drm_plane *plane) { return _dpu_plane_init_debugfs(plane); } static void dpu_plane_early_unregister(struct drm_plane *plane) { struct dpu_plane *pdpu = to_dpu_plane(plane); debugfs_remove_recursive(pdpu->debugfs_root); } static bool dpu_plane_format_mod_supported(struct drm_plane *plane, uint32_t format, uint64_t modifier) { if (modifier == DRM_FORMAT_MOD_LINEAR) return true; if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED) { int i; for (i = 0; i < ARRAY_SIZE(qcom_compressed_supported_formats); i++) { if (format == qcom_compressed_supported_formats[i]) return true; } } return false; } static const struct drm_plane_funcs dpu_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = dpu_plane_destroy, .reset = dpu_plane_reset, .atomic_duplicate_state = dpu_plane_duplicate_state, .atomic_destroy_state = dpu_plane_destroy_state, .late_register = dpu_plane_late_register, .early_unregister = dpu_plane_early_unregister, .format_mod_supported = dpu_plane_format_mod_supported, }; static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = { .prepare_fb = dpu_plane_prepare_fb, .cleanup_fb = dpu_plane_cleanup_fb, .atomic_check = dpu_plane_atomic_check, .atomic_update = dpu_plane_atomic_update, }; enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane) { return plane ? to_dpu_plane(plane)->pipe : SSPP_NONE; } bool is_dpu_plane_virtual(struct drm_plane *plane) { return plane ? to_dpu_plane(plane)->is_virtual : false; } /* initialize plane */ struct drm_plane *dpu_plane_init(struct drm_device *dev, uint32_t pipe, enum drm_plane_type type, unsigned long possible_crtcs, u32 master_plane_id) { struct drm_plane *plane = NULL, *master_plane = NULL; const uint32_t *format_list; struct dpu_plane *pdpu; struct msm_drm_private *priv = dev->dev_private; struct dpu_kms *kms = to_dpu_kms(priv->kms); int zpos_max = DPU_ZPOS_MAX; uint32_t num_formats; int ret = -EINVAL; /* create and zero local structure */ pdpu = kzalloc(sizeof(*pdpu), GFP_KERNEL); if (!pdpu) { DPU_ERROR("[%u]failed to allocate local plane struct\n", pipe); ret = -ENOMEM; return ERR_PTR(ret); } /* cache local stuff for later */ plane = &pdpu->base; pdpu->pipe = pipe; pdpu->is_virtual = (master_plane_id != 0); INIT_LIST_HEAD(&pdpu->mplane_list); master_plane = drm_plane_find(dev, NULL, master_plane_id); if (master_plane) { struct dpu_plane *mpdpu = to_dpu_plane(master_plane); list_add_tail(&pdpu->mplane_list, &mpdpu->mplane_list); } /* initialize underlying h/w driver */ pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog, master_plane_id != 0); if (IS_ERR(pdpu->pipe_hw)) { DPU_ERROR("[%u]SSPP init failed\n", pipe); ret = PTR_ERR(pdpu->pipe_hw); goto clean_plane; } else if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) { DPU_ERROR("[%u]SSPP init returned invalid cfg\n", pipe); goto clean_sspp; } /* cache features mask for later */ pdpu->features = pdpu->pipe_hw->cap->features; pdpu->pipe_sblk = pdpu->pipe_hw->cap->sblk; if (!pdpu->pipe_sblk) { DPU_ERROR("[%u]invalid sblk\n", pipe); goto clean_sspp; } if (pdpu->is_virtual) { format_list = pdpu->pipe_sblk->virt_format_list; num_formats = pdpu->pipe_sblk->virt_num_formats; } else { format_list = pdpu->pipe_sblk->format_list; num_formats = pdpu->pipe_sblk->num_formats; } ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs, format_list, num_formats, supported_format_modifiers, type, NULL); if (ret) goto clean_sspp; pdpu->catalog = kms->catalog; if (kms->catalog->mixer_count && kms->catalog->mixer[0].sblk->maxblendstages) { zpos_max = kms->catalog->mixer[0].sblk->maxblendstages - 1; if (zpos_max > DPU_STAGE_MAX - DPU_STAGE_0 - 1) zpos_max = DPU_STAGE_MAX - DPU_STAGE_0 - 1; } ret = drm_plane_create_zpos_property(plane, 0, 0, zpos_max); if (ret) DPU_ERROR("failed to install zpos property, rc = %d\n", ret); drm_plane_create_alpha_property(plane); drm_plane_create_blend_mode_property(plane, BIT(DRM_MODE_BLEND_PIXEL_NONE) | BIT(DRM_MODE_BLEND_PREMULTI) | BIT(DRM_MODE_BLEND_COVERAGE)); drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); drm_plane_enable_fb_damage_clips(plane); /* success! finalize initialization */ drm_plane_helper_add(plane, &dpu_plane_helper_funcs); /* save user friendly pipe name for later */ snprintf(pdpu->pipe_name, DPU_NAME_SIZE, "plane%u", plane->base.id); mutex_init(&pdpu->lock); DPU_DEBUG("%s created for pipe:%u id:%u virtual:%u\n", pdpu->pipe_name, pipe, plane->base.id, master_plane_id); return plane; clean_sspp: if (pdpu && pdpu->pipe_hw) dpu_hw_sspp_destroy(pdpu->pipe_hw); clean_plane: kfree(pdpu); return ERR_PTR(ret); }