diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 1971 |
1 files changed, 1971 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c new file mode 100644 index 000000000..4ac2b0c66 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -0,0 +1,1971 @@ +/* + * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved. + * Copyright (C) 2013 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__ + +#include <linux/debugfs.h> +#include <linux/dma-buf.h> + +#include "msm_drv.h" +#include "dpu_kms.h" +#include "dpu_formats.h" +#include "dpu_hw_sspp.h" +#include "dpu_hw_catalog_format.h" +#include "dpu_trace.h" +#include "dpu_crtc.h" +#include "dpu_vbif.h" +#include "dpu_plane.h" + +#define DPU_DEBUG_PLANE(pl, fmt, ...) DPU_DEBUG("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 +}; + +#define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4 +#define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3 + +#define DEFAULT_REFRESH_RATE 60 + +/** + * 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 */ + uint32_t nformats; + uint32_t formats[64]; + + 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; +}; + +#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; + + if (!plane || !plane->dev) + return NULL; + priv = plane->dev->dev_private; + if (!priv) + return NULL; + return to_dpu_kms(priv->kms); +} + +static bool dpu_plane_enabled(struct drm_plane_state *state) +{ + return state && state->fb && state->crtc; +} + +static bool dpu_plane_sspp_enabled(struct drm_plane_state *state) +{ + return state && state->crtc; +} + +/** + * _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_wdith: width of source buffer + * Return: fill level corresponding to the source buffer/format or 0 if error + */ +static inline 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 (!plane || !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->pipe_sblk->common->pixel_ram_size; + + list_for_each_entry(tmp, &pdpu->mplane_list, mplane_list) { + if (!dpu_plane_enabled(tmp->base.state)) + 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%u: pnum:%d fmt: %4.4s w:%u fl:%u\n", + plane->base.id, 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; + const struct dpu_format *fmt = NULL; + u64 qos_lut; + u32 total_fl = 0, lut_usage; + + if (!plane || !fb) { + DPU_ERROR("invalid arguments plane %d fb %d\n", + plane != 0, fb != 0); + return; + } + + pdpu = to_dpu_plane(plane); + + if (!pdpu->pipe_hw || !pdpu->pipe_sblk || !pdpu->catalog) { + DPU_ERROR("invalid arguments\n"); + return; + } else if (!pdpu->pipe_hw->ops.setup_creq_lut) { + return; + } + + 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%u: pnum:%d fmt: %4.4s rt:%d fl:%u lut:0x%llx\n", + plane->base.id, + 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_panic_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; + const struct dpu_format *fmt = NULL; + u32 danger_lut, safe_lut; + + if (!plane || !fb) { + DPU_ERROR("invalid arguments\n"); + return; + } + + pdpu = to_dpu_plane(plane); + + if (!pdpu->pipe_hw || !pdpu->pipe_sblk || !pdpu->catalog) { + DPU_ERROR("invalid arguments\n"); + return; + } else if (!pdpu->pipe_hw->ops.setup_danger_safe_lut) { + return; + } + + 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%u: pnum:%d fmt: %4.4s mode:%d luts[0x%x, 0x%x]\n", + plane->base.id, + 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; + + if (!plane) { + DPU_ERROR("invalid arguments\n"); + return; + } + + pdpu = to_dpu_plane(plane); + + if (!pdpu->pipe_hw || !pdpu->pipe_sblk) { + DPU_ERROR("invalid arguments\n"); + return; + } else if (!pdpu->pipe_hw->ops.setup_qos_ctrl) { + return; + } + + 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%u: pnum:%d ds:%d vb:%d pri[0x%x, 0x%x] is_rt:%d\n", + plane->base.id, + 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); +} + +int dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) +{ + struct dpu_plane *pdpu; + struct msm_drm_private *priv; + struct dpu_kms *dpu_kms; + + if (!plane || !plane->dev) { + DPU_ERROR("invalid arguments\n"); + return -EINVAL; + } + + priv = plane->dev->dev_private; + if (!priv || !priv->kms) { + DPU_ERROR("invalid KMS reference\n"); + return -EINVAL; + } + + dpu_kms = to_dpu_kms(priv->kms); + pdpu = to_dpu_plane(plane); + + if (!pdpu->is_rt_pipe) + goto end; + + 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); + +end: + return 0; +} + +/** + * _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; + struct dpu_vbif_set_ot_params ot_params; + struct msm_drm_private *priv; + struct dpu_kms *dpu_kms; + + if (!plane || !plane->dev || !crtc) { + DPU_ERROR("invalid arguments plane %d crtc %d\n", + plane != 0, crtc != 0); + return; + } + + priv = plane->dev->dev_private; + if (!priv || !priv->kms) { + DPU_ERROR("invalid KMS reference\n"); + return; + } + + dpu_kms = to_dpu_kms(priv->kms); + pdpu = to_dpu_plane(plane); + if (!pdpu->pipe_hw) { + DPU_ERROR("invalid pipe reference\n"); + return; + } + + 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 = crtc->mode.vrefresh; + 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_vbif_qos - 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; + struct dpu_vbif_set_qos_params qos_params; + struct msm_drm_private *priv; + struct dpu_kms *dpu_kms; + + if (!plane || !plane->dev) { + DPU_ERROR("invalid arguments\n"); + return; + } + + priv = plane->dev->dev_private; + if (!priv || !priv->kms) { + DPU_ERROR("invalid KMS reference\n"); + return; + } + + dpu_kms = to_dpu_kms(priv->kms); + pdpu = to_dpu_plane(plane); + if (!pdpu->pipe_hw) { + DPU_ERROR("invalid pipe reference\n"); + return; + } + + 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%d pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n", + plane->base.id, 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); +} + +/** + * _dpu_plane_get_aspace: gets the address space + */ +static int _dpu_plane_get_aspace( + struct dpu_plane *pdpu, + struct dpu_plane_state *pstate, + struct msm_gem_address_space **aspace) +{ + struct dpu_kms *kms; + + if (!pdpu || !pstate || !aspace) { + DPU_ERROR("invalid parameters\n"); + return -EINVAL; + } + + kms = _dpu_plane_get_kms(&pdpu->base); + if (!kms) { + DPU_ERROR("invalid kms\n"); + return -EINVAL; + } + + *aspace = kms->base.aspace; + + return 0; +} + +static inline 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; + struct msm_gem_address_space *aspace = NULL; + int ret; + + if (!plane || !pstate || !pipe_cfg || !fb) { + DPU_ERROR( + "invalid arg(s), plane %d state %d cfg %d fb %d\n", + plane != 0, pstate != 0, pipe_cfg != 0, fb != 0); + return; + } + + pdpu = to_dpu_plane(plane); + if (!pdpu->pipe_hw) { + DPU_ERROR_PLANE(pdpu, "invalid pipe_hw\n"); + return; + } + + ret = _dpu_plane_get_aspace(pdpu, pstate, &aspace); + if (ret) { + DPU_ERROR_PLANE(pdpu, "Failed to get aspace %d\n", ret); + return; + } + + 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; + + if (!pdpu || !pstate || !scale_cfg || !fmt || !chroma_subsmpl_h || + !chroma_subsmpl_v) { + DPU_ERROR( + "pdpu %d pstate %d scale_cfg %d fmt %d smp_h %d smp_v %d\n", + !!pdpu, !!pstate, !!scale_cfg, !!fmt, chroma_subsmpl_h, + chroma_subsmpl_v); + return; + } + + 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; + } + 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 inline 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) +{ + struct dpu_hw_pixel_ext *pe; + uint32_t chroma_subsmpl_h, chroma_subsmpl_v; + + if (!pdpu || !fmt || !pstate) { + DPU_ERROR("invalid arg(s), plane %d fmt %d state %d\n", + pdpu != 0, fmt != 0, pstate != 0); + return; + } + + pe = &pstate->pixel_ext; + + /* don't chroma subsample if decimating */ + chroma_subsmpl_h = + drm_format_horz_chroma_subsampling(fmt->base.pixel_format); + chroma_subsmpl_v = + drm_format_vert_chroma_subsampling(fmt->base.pixel_format); + + /* 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, + chroma_subsmpl_h, chroma_subsmpl_v); +} + +/** + * _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; + struct dpu_plane_state *pstate; + + if (!pdpu || !pdpu->base.state) { + DPU_ERROR("invalid plane\n"); + return -EINVAL; + } + + if (!pdpu->pipe_hw) { + DPU_ERROR_PLANE(pdpu, "invalid plane h/w pointer\n"); + return -EINVAL; + } + + plane = &pdpu->base; + 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; + + if (!drm_state) + return; + + 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]->pipe_sblk->common->maxlinewidth; + 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) +{ + struct dpu_plane_state *pstate; + + if (!plane || !flush_sspp) { + DPU_ERROR("invalid parameters\n"); + return; + } + + pstate = to_dpu_plane_state(plane->state); + + *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 drm_gem_object *obj; + struct msm_gem_object *msm_obj; + struct dma_fence *fence; + struct msm_gem_address_space *aspace; + int ret; + + if (!new_state->fb) + return 0; + + DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id); + + ret = _dpu_plane_get_aspace(pdpu, pstate, &aspace); + if (ret) { + DPU_ERROR_PLANE(pdpu, "Failed to get aspace\n"); + return ret; + } + + /* cache aspace */ + pstate->aspace = 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. + */ + obj = msm_framebuffer_bo(new_state->fb, 0); + msm_obj = to_msm_bo(obj); + fence = reservation_object_get_excl_rcu(msm_obj->resv); + if (fence) + drm_atomic_set_fence_for_plane(new_state, fence); + + if (pstate->aspace) { + ret = msm_framebuffer_prepare(new_state->fb, + pstate->aspace); + 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); +} + +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_sspp_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + int ret = 0; + struct dpu_plane *pdpu; + struct dpu_plane_state *pstate; + const struct dpu_format *fmt; + struct drm_rect src, dst, fb_rect = { 0 }; + uint32_t max_upscale = 1, max_downscale = 1; + uint32_t min_src_size, max_linewidth; + int hscale = 1, vscale = 1; + + if (!plane || !state) { + DPU_ERROR("invalid arg(s), plane %d state %d\n", + plane != 0, state != 0); + ret = -EINVAL; + goto exit; + } + + pdpu = to_dpu_plane(plane); + pstate = to_dpu_plane_state(state); + + if (!pdpu->pipe_sblk) { + DPU_ERROR_PLANE(pdpu, "invalid catalog\n"); + ret = -EINVAL; + goto exit; + } + + src.x1 = state->src_x >> 16; + src.y1 = state->src_y >> 16; + src.x2 = src.x1 + (state->src_w >> 16); + src.y2 = src.y1 + (state->src_h >> 16); + + dst = drm_plane_state_dest(state); + + fb_rect.x2 = state->fb->width; + fb_rect.y2 = state->fb->height; + + max_linewidth = pdpu->pipe_sblk->common->maxlinewidth; + + if (pdpu->features & DPU_SSPP_SCALER) { + max_downscale = pdpu->pipe_sblk->maxdwnscale; + max_upscale = pdpu->pipe_sblk->maxupscale; + } + if (drm_rect_width(&src) < drm_rect_width(&dst)) + hscale = drm_rect_calc_hscale(&src, &dst, 1, max_upscale); + else + hscale = drm_rect_calc_hscale(&dst, &src, 1, max_downscale); + if (drm_rect_height(&src) < drm_rect_height(&dst)) + vscale = drm_rect_calc_vscale(&src, &dst, 1, max_upscale); + else + vscale = drm_rect_calc_vscale(&dst, &src, 1, max_downscale); + + DPU_DEBUG_PLANE(pdpu, "check %d -> %d\n", + dpu_plane_enabled(plane->state), dpu_plane_enabled(state)); + + if (!dpu_plane_enabled(state)) + goto exit; + + fmt = to_dpu_format(msm_framebuffer_format(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_ERROR_PLANE(pdpu, + "plane doesn't have scaler/csc for yuv\n"); + ret = -EINVAL; + + /* check src bounds */ + } else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) { + DPU_ERROR_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n", + DRM_RECT_ARG(&src)); + ret = -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_ERROR_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n", + DRM_RECT_ARG(&src)); + ret = -EINVAL; + + /* min dst support */ + } else if (drm_rect_width(&dst) < 0x1 || drm_rect_height(&dst) < 0x1) { + DPU_ERROR_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n", + DRM_RECT_ARG(&dst)); + ret = -EINVAL; + + /* check decimated source width */ + } else if (drm_rect_width(&src) > max_linewidth) { + DPU_ERROR_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n", + DRM_RECT_ARG(&src), max_linewidth); + ret = -E2BIG; + + /* check scaler capability */ + } else if (hscale < 0 || vscale < 0) { + DPU_ERROR_PLANE(pdpu, "invalid scaling requested src=" + DRM_RECT_FMT " dst=" DRM_RECT_FMT "\n", + DRM_RECT_ARG(&src), DRM_RECT_ARG(&dst)); + ret = -E2BIG; + } + +exit: + return ret; +} + +static int dpu_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + if (!state->fb) + return 0; + + DPU_DEBUG_PLANE(to_dpu_plane(plane), "\n"); + + return dpu_plane_sspp_atomic_check(plane, state); +} + +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 + */ +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 int dpu_plane_sspp_atomic_update(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + uint32_t nplanes, src_flags; + struct dpu_plane *pdpu; + struct drm_plane_state *state; + struct dpu_plane_state *pstate; + struct dpu_plane_state *old_pstate; + const struct dpu_format *fmt; + struct drm_crtc *crtc; + struct drm_framebuffer *fb; + int ret, min_scale; + + if (!plane) { + DPU_ERROR("invalid plane\n"); + return -EINVAL; + } else if (!plane->state) { + DPU_ERROR("invalid plane state\n"); + return -EINVAL; + } else if (!old_state) { + DPU_ERROR("invalid old state\n"); + return -EINVAL; + } + + pdpu = to_dpu_plane(plane); + state = plane->state; + + pstate = to_dpu_plane_state(state); + + old_pstate = to_dpu_plane_state(old_state); + + crtc = state->crtc; + fb = state->fb; + if (!crtc || !fb) { + DPU_ERROR_PLANE(pdpu, "invalid crtc %d or fb %d\n", + crtc != 0, fb != 0); + return -EINVAL; + } + fmt = to_dpu_format(msm_framebuffer_format(fb)); + nplanes = fmt->num_planes; + + memset(&(pdpu->pipe_cfg), 0, sizeof(struct dpu_hw_pipe_cfg)); + + _dpu_plane_set_scanout(plane, pstate, &pdpu->pipe_cfg, fb); + + pstate->pending = true; + + pdpu->is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT); + _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL); + + min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxdwnscale); + ret = drm_atomic_helper_check_plane_state(state, crtc->state, min_scale, + pdpu->pipe_sblk->maxupscale << 16, + true, false); + if (ret) { + DPU_ERROR_PLANE(pdpu, "Check plane state failed (%d)\n", ret); + return ret; + } + + 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 0; + } + + 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) { + src_flags = 0x0; + + /* 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); + } + + _dpu_plane_set_qos_remap(plane); + return 0; +} + +static void _dpu_plane_atomic_disable(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct dpu_plane *pdpu; + struct drm_plane_state *state; + struct dpu_plane_state *pstate; + + if (!plane) { + DPU_ERROR("invalid plane\n"); + return; + } else if (!plane->state) { + DPU_ERROR("invalid plane state\n"); + return; + } else if (!old_state) { + DPU_ERROR("invalid old state\n"); + return; + } + + pdpu = to_dpu_plane(plane); + state = 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_plane_state *old_state) +{ + struct dpu_plane *pdpu; + struct drm_plane_state *state; + + if (!plane) { + DPU_ERROR("invalid plane\n"); + return; + } else if (!plane->state) { + DPU_ERROR("invalid plane state\n"); + return; + } + + pdpu = to_dpu_plane(plane); + pdpu->is_error = false; + state = plane->state; + + DPU_DEBUG_PLANE(pdpu, "\n"); + + if (!dpu_plane_sspp_enabled(state)) { + _dpu_plane_atomic_disable(plane, old_state); + } else { + int ret; + + ret = dpu_plane_sspp_atomic_update(plane, old_state); + /* atomic_check should have ensured that this doesn't fail */ + WARN_ON(ret < 0); + } +} + +void dpu_plane_restore(struct drm_plane *plane) +{ + struct dpu_plane *pdpu; + + if (!plane || !plane->state) { + DPU_ERROR("invalid plane\n"); + return; + } + + pdpu = to_dpu_plane(plane); + + DPU_DEBUG_PLANE(pdpu, "\n"); + + /* last plane state is same as current state */ + dpu_plane_atomic_update(plane, plane->state); +} + +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); + + drm_plane_helper_disable(plane, NULL); + + /* this will destroy the states as well */ + drm_plane_cleanup(plane); + + if (pdpu->pipe_hw) + dpu_hw_sspp_destroy(pdpu->pipe_hw); + + kfree(pdpu); + } +} + +static void dpu_plane_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct dpu_plane_state *pstate; + + if (!plane || !state) { + DPU_ERROR("invalid arg(s), plane %d state %d\n", + plane != 0, state != 0); + return; + } + + pstate = to_dpu_plane_state(state); + + /* remove ref count for frame buffers */ + if (state->fb) + drm_framebuffer_put(state->fb); + + kfree(pstate); +} + +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; + } + + pstate->base.plane = plane; + + plane->state = &pstate->base; +} + +#ifdef CONFIG_DEBUG_FS +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; + struct dpu_mdss_cfg *cfg = kms->catalog; + int len = 0; + char buf[40] = {'\0'}; + + if (!cfg) + return -ENODEV; + + if (*ppos) + return 0; /* the end */ + + len = snprintf(buf, sizeof(buf), "%d\n", !kms->has_danger_ctrl); + if (len < 0 || len >= sizeof(buf)) + return 0; + + if ((count < sizeof(buf)) || copy_to_user(buff, buf, len)) + return -EFAULT; + + *ppos += len; /* increase offset */ + + return 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; + struct dpu_mdss_cfg *cfg = kms->catalog; + int disable_panic; + char buf[10]; + + if (!cfg) + return -EFAULT; + + if (count >= sizeof(buf)) + return -EFAULT; + + if (copy_from_user(buf, user_buf, count)) + return -EFAULT; + + buf[count] = 0; /* end of string */ + + if (kstrtoint(buf, 0, &disable_panic)) + return -EFAULT; + + 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; + struct dpu_kms *kms; + struct msm_drm_private *priv; + const struct dpu_sspp_sub_blks *sblk = 0; + const struct dpu_sspp_cfg *cfg = 0; + + if (!plane || !plane->dev) { + DPU_ERROR("invalid arguments\n"); + return -EINVAL; + } + + priv = plane->dev->dev_private; + if (!priv || !priv->kms) { + DPU_ERROR("invalid KMS reference\n"); + return -EINVAL; + } + + kms = to_dpu_kms(priv->kms); + pdpu = to_dpu_plane(plane); + + if (pdpu && pdpu->pipe_hw) + cfg = pdpu->pipe_hw->cap; + if (cfg) + sblk = cfg->sblk; + + if (!sblk) + return 0; + + /* create overall sub-directory for the pipe */ + pdpu->debugfs_root = + debugfs_create_dir(pdpu->pipe_name, + plane->dev->primary->debugfs_root); + + if (!pdpu->debugfs_root) + return -ENOMEM; + + /* 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_QSEED2)) { + 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; +} + +static void _dpu_plane_destroy_debugfs(struct drm_plane *plane) +{ + struct dpu_plane *pdpu; + + if (!plane) + return; + pdpu = to_dpu_plane(plane); + + debugfs_remove_recursive(pdpu->debugfs_root); +} +#else +static int _dpu_plane_init_debugfs(struct drm_plane *plane) +{ + return 0; +} +static void _dpu_plane_destroy_debugfs(struct drm_plane *plane) +{ +} +#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) +{ + _dpu_plane_destroy_debugfs(plane); +} + +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, +}; + +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, bool primary_plane, + unsigned long possible_crtcs, u32 master_plane_id) +{ + struct drm_plane *plane = NULL, *master_plane = NULL; + const struct dpu_format_extended *format_list; + struct dpu_plane *pdpu; + struct msm_drm_private *priv; + struct dpu_kms *kms; + enum drm_plane_type type; + int zpos_max = DPU_ZPOS_MAX; + int ret = -EINVAL; + + if (!dev) { + DPU_ERROR("[%u]device is NULL\n", pipe); + goto exit; + } + + priv = dev->dev_private; + if (!priv) { + DPU_ERROR("[%u]private data is NULL\n", pipe); + goto exit; + } + + if (!priv->kms) { + DPU_ERROR("[%u]invalid KMS reference\n", pipe); + goto exit; + } + kms = to_dpu_kms(priv->kms); + + if (!kms->catalog) { + DPU_ERROR("[%u]invalid catalog reference\n", pipe); + goto exit; + } + + /* 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; + goto exit; + } + + /* 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 (!master_plane_id) + format_list = pdpu->pipe_sblk->format_list; + else + format_list = pdpu->pipe_sblk->virt_format_list; + + pdpu->nformats = dpu_populate_formats(format_list, + pdpu->formats, + 0, + ARRAY_SIZE(pdpu->formats)); + + if (!pdpu->nformats) { + DPU_ERROR("[%u]no valid formats for plane\n", pipe); + goto clean_sspp; + } + + if (pdpu->features & BIT(DPU_SSPP_CURSOR)) + type = DRM_PLANE_TYPE_CURSOR; + else if (primary_plane) + type = DRM_PLANE_TYPE_PRIMARY; + else + type = DRM_PLANE_TYPE_OVERLAY; + ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs, + pdpu->formats, pdpu->nformats, + NULL, 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); + + /* 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); +exit: + return ERR_PTR(ret); +} |