| /* |
| * Copyright (c) 2015-2017 The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only 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. |
| */ |
| |
| #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__ |
| #include <linux/debugfs.h> |
| #include <uapi/drm/sde_drm.h> |
| |
| #include "sde_encoder_phys.h" |
| #include "sde_formats.h" |
| #include "sde_hw_top.h" |
| #include "sde_hw_interrupts.h" |
| #include "sde_core_irq.h" |
| #include "sde_wb.h" |
| #include "sde_vbif.h" |
| #include "sde_crtc.h" |
| |
| #define to_sde_encoder_phys_wb(x) \ |
| container_of(x, struct sde_encoder_phys_wb, base) |
| |
| #define WBID(wb_enc) ((wb_enc) ? wb_enc->wb_dev->wb_idx : -1) |
| |
| #define TO_S15D16(_x_) ((_x_) << 7) |
| |
| /** |
| * sde_rgb2yuv_601l - rgb to yuv color space conversion matrix |
| * |
| */ |
| static struct sde_csc_cfg sde_encoder_phys_wb_rgb2yuv_601l = { |
| { |
| TO_S15D16(0x0083), TO_S15D16(0x0102), TO_S15D16(0x0032), |
| TO_S15D16(0x1fb5), TO_S15D16(0x1f6c), TO_S15D16(0x00e1), |
| TO_S15D16(0x00e1), TO_S15D16(0x1f45), TO_S15D16(0x1fdc) |
| }, |
| { 0x00, 0x00, 0x00 }, |
| { 0x0040, 0x0200, 0x0200 }, |
| { 0x000, 0x3ff, 0x000, 0x3ff, 0x000, 0x3ff }, |
| { 0x040, 0x3ac, 0x040, 0x3c0, 0x040, 0x3c0 }, |
| }; |
| |
| /** |
| * sde_encoder_phys_wb_is_master - report wb always as master encoder |
| */ |
| static bool sde_encoder_phys_wb_is_master(struct sde_encoder_phys *phys_enc) |
| { |
| return true; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_get_intr_type - get interrupt type based on block mode |
| * @hw_wb: Pointer to h/w writeback driver |
| */ |
| static enum sde_intr_type sde_encoder_phys_wb_get_intr_type( |
| struct sde_hw_wb *hw_wb) |
| { |
| return (hw_wb->caps->features & BIT(SDE_WB_BLOCK_MODE)) ? |
| SDE_IRQ_TYPE_WB_ROT_COMP : SDE_IRQ_TYPE_WB_WFD_COMP; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_set_ot_limit - set OT limit for writeback interface |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_set_ot_limit( |
| struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| struct sde_vbif_set_ot_params ot_params; |
| |
| memset(&ot_params, 0, sizeof(ot_params)); |
| ot_params.xin_id = hw_wb->caps->xin_id; |
| ot_params.num = hw_wb->idx - WB_0; |
| ot_params.width = wb_enc->wb_roi.w; |
| ot_params.height = wb_enc->wb_roi.h; |
| ot_params.is_wfd = true; |
| ot_params.frame_rate = phys_enc->cached_mode.vrefresh; |
| ot_params.vbif_idx = hw_wb->caps->vbif_idx; |
| ot_params.clk_ctrl = hw_wb->caps->clk_ctrl; |
| ot_params.rd = false; |
| |
| sde_vbif_set_ot_limit(phys_enc->sde_kms, &ot_params); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_set_traffic_shaper - set traffic shaper for writeback |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_set_traffic_shaper( |
| struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb_cfg *wb_cfg = &wb_enc->wb_cfg; |
| |
| /* traffic shaper is only enabled for rotator */ |
| wb_cfg->ts_cfg.en = false; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_set_qos_remap - set QoS remapper for writeback |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_set_qos_remap( |
| struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc; |
| struct sde_hw_wb *hw_wb; |
| struct drm_crtc *crtc; |
| struct sde_vbif_set_qos_params qos_params; |
| |
| if (!phys_enc || !phys_enc->parent || !phys_enc->parent->crtc) { |
| SDE_ERROR("invalid arguments\n"); |
| return; |
| } |
| |
| wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| crtc = phys_enc->parent->crtc; |
| |
| if (!wb_enc->hw_wb || !wb_enc->hw_wb->caps) { |
| SDE_ERROR("invalid writeback hardware\n"); |
| return; |
| } |
| |
| hw_wb = wb_enc->hw_wb; |
| |
| memset(&qos_params, 0, sizeof(qos_params)); |
| qos_params.vbif_idx = hw_wb->caps->vbif_idx; |
| qos_params.xin_id = hw_wb->caps->xin_id; |
| qos_params.clk_ctrl = hw_wb->caps->clk_ctrl; |
| qos_params.num = hw_wb->idx - WB_0; |
| qos_params.is_rt = sde_crtc_get_client_type(crtc) != NRT_CLIENT; |
| |
| SDE_DEBUG("[qos_remap] wb:%d vbif:%d xin:%d rt:%d\n", |
| qos_params.num, |
| qos_params.vbif_idx, |
| qos_params.xin_id, qos_params.is_rt); |
| |
| sde_vbif_set_qos_remap(phys_enc->sde_kms, &qos_params); |
| } |
| |
| /** |
| * sde_encoder_phys_setup_cdm - setup chroma down block |
| * @phys_enc: Pointer to physical encoder |
| * @fb: Pointer to output framebuffer |
| * @format: Output format |
| */ |
| void sde_encoder_phys_setup_cdm(struct sde_encoder_phys *phys_enc, |
| struct drm_framebuffer *fb, const struct sde_format *format, |
| struct sde_rect *wb_roi) |
| { |
| struct sde_hw_cdm *hw_cdm; |
| struct sde_hw_cdm_cfg *cdm_cfg; |
| int ret; |
| |
| if (!phys_enc || !format) |
| return; |
| |
| cdm_cfg = &phys_enc->cdm_cfg; |
| hw_cdm = phys_enc->hw_cdm; |
| if (!hw_cdm) |
| return; |
| |
| if (!SDE_FORMAT_IS_YUV(format)) { |
| SDE_DEBUG("[cdm_disable fmt:%x]\n", |
| format->base.pixel_format); |
| |
| if (hw_cdm && hw_cdm->ops.disable) |
| hw_cdm->ops.disable(hw_cdm); |
| |
| return; |
| } |
| |
| memset(cdm_cfg, 0, sizeof(struct sde_hw_cdm_cfg)); |
| |
| if (!wb_roi) |
| return; |
| |
| cdm_cfg->output_width = wb_roi->w; |
| cdm_cfg->output_height = wb_roi->h; |
| cdm_cfg->output_fmt = format; |
| cdm_cfg->output_type = CDM_CDWN_OUTPUT_WB; |
| cdm_cfg->output_bit_depth = SDE_FORMAT_IS_DX(format) ? |
| CDM_CDWN_OUTPUT_10BIT : CDM_CDWN_OUTPUT_8BIT; |
| |
| /* enable 10 bit logic */ |
| switch (cdm_cfg->output_fmt->chroma_sample) { |
| case SDE_CHROMA_RGB: |
| cdm_cfg->h_cdwn_type = CDM_CDWN_DISABLE; |
| cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; |
| break; |
| case SDE_CHROMA_H2V1: |
| cdm_cfg->h_cdwn_type = CDM_CDWN_COSITE; |
| cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; |
| break; |
| case SDE_CHROMA_420: |
| cdm_cfg->h_cdwn_type = CDM_CDWN_COSITE; |
| cdm_cfg->v_cdwn_type = CDM_CDWN_OFFSITE; |
| break; |
| case SDE_CHROMA_H1V2: |
| default: |
| SDE_ERROR("unsupported chroma sampling type\n"); |
| cdm_cfg->h_cdwn_type = CDM_CDWN_DISABLE; |
| cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; |
| break; |
| } |
| |
| SDE_DEBUG("[cdm_enable:%d,%d,%X,%d,%d,%d,%d]\n", |
| cdm_cfg->output_width, |
| cdm_cfg->output_height, |
| cdm_cfg->output_fmt->base.pixel_format, |
| cdm_cfg->output_type, |
| cdm_cfg->output_bit_depth, |
| cdm_cfg->h_cdwn_type, |
| cdm_cfg->v_cdwn_type); |
| |
| if (hw_cdm && hw_cdm->ops.setup_csc_data) { |
| ret = hw_cdm->ops.setup_csc_data(hw_cdm, |
| &sde_encoder_phys_wb_rgb2yuv_601l); |
| if (ret < 0) { |
| SDE_ERROR("failed to setup CSC %d\n", ret); |
| return; |
| } |
| } |
| |
| if (hw_cdm && hw_cdm->ops.setup_cdwn) { |
| ret = hw_cdm->ops.setup_cdwn(hw_cdm, cdm_cfg); |
| if (ret < 0) { |
| SDE_ERROR("failed to setup CDM %d\n", ret); |
| return; |
| } |
| } |
| |
| if (hw_cdm && hw_cdm->ops.enable) { |
| ret = hw_cdm->ops.enable(hw_cdm, cdm_cfg); |
| if (ret < 0) { |
| SDE_ERROR("failed to enable CDM %d\n", ret); |
| return; |
| } |
| } |
| } |
| |
| /** |
| * sde_encoder_phys_wb_setup_fb - setup output framebuffer |
| * @phys_enc: Pointer to physical encoder |
| * @fb: Pointer to output framebuffer |
| * @wb_roi: Pointer to output region of interest |
| */ |
| static void sde_encoder_phys_wb_setup_fb(struct sde_encoder_phys *phys_enc, |
| struct drm_framebuffer *fb, struct sde_rect *wb_roi) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb; |
| struct sde_hw_wb_cfg *wb_cfg; |
| struct sde_hw_wb_cdp_cfg *cdp_cfg; |
| const struct msm_format *format; |
| int ret; |
| struct msm_gem_address_space *aspace; |
| u32 fb_mode; |
| |
| if (!phys_enc || !phys_enc->sde_kms || !phys_enc->sde_kms->catalog || |
| !phys_enc->connector) { |
| SDE_ERROR("invalid encoder\n"); |
| return; |
| } |
| |
| hw_wb = wb_enc->hw_wb; |
| wb_cfg = &wb_enc->wb_cfg; |
| cdp_cfg = &wb_enc->cdp_cfg; |
| memset(wb_cfg, 0, sizeof(struct sde_hw_wb_cfg)); |
| |
| wb_cfg->intf_mode = phys_enc->intf_mode; |
| |
| fb_mode = sde_connector_get_property(phys_enc->connector->state, |
| CONNECTOR_PROP_FB_TRANSLATION_MODE); |
| if (phys_enc->enable_state == SDE_ENC_DISABLING) |
| wb_cfg->is_secure = false; |
| else if (fb_mode == SDE_DRM_FB_SEC) |
| wb_cfg->is_secure = true; |
| else |
| wb_cfg->is_secure = false; |
| |
| aspace = (wb_cfg->is_secure) ? |
| wb_enc->aspace[SDE_IOMMU_DOMAIN_SECURE] : |
| wb_enc->aspace[SDE_IOMMU_DOMAIN_UNSECURE]; |
| |
| SDE_DEBUG("[fb_secure:%d]\n", wb_cfg->is_secure); |
| |
| ret = msm_framebuffer_prepare(fb, aspace); |
| if (ret) { |
| SDE_ERROR("prep fb failed, %d\n", ret); |
| return; |
| } |
| |
| /* cache framebuffer for cleanup in writeback done */ |
| wb_enc->wb_fb = fb; |
| wb_enc->wb_aspace = aspace; |
| |
| format = msm_framebuffer_format(fb); |
| if (!format) { |
| SDE_DEBUG("invalid format for fb\n"); |
| return; |
| } |
| |
| wb_cfg->dest.format = sde_get_sde_format_ext( |
| format->pixel_format, |
| fb->modifier, |
| drm_format_num_planes(fb->pixel_format)); |
| if (!wb_cfg->dest.format) { |
| /* this error should be detected during atomic_check */ |
| SDE_ERROR("failed to get format %x\n", format->pixel_format); |
| return; |
| } |
| wb_cfg->roi = *wb_roi; |
| |
| if (hw_wb->caps->features & BIT(SDE_WB_XY_ROI_OFFSET)) { |
| ret = sde_format_populate_layout(aspace, fb, &wb_cfg->dest); |
| if (ret) { |
| SDE_DEBUG("failed to populate layout %d\n", ret); |
| return; |
| } |
| wb_cfg->dest.width = fb->width; |
| wb_cfg->dest.height = fb->height; |
| wb_cfg->dest.num_planes = wb_cfg->dest.format->num_planes; |
| } else { |
| ret = sde_format_populate_layout_with_roi(aspace, fb, wb_roi, |
| &wb_cfg->dest); |
| if (ret) { |
| /* this error should be detected during atomic_check */ |
| SDE_DEBUG("failed to populate layout %d\n", ret); |
| return; |
| } |
| } |
| |
| if ((wb_cfg->dest.format->fetch_planes == SDE_PLANE_PLANAR) && |
| (wb_cfg->dest.format->element[0] == C1_B_Cb)) |
| swap(wb_cfg->dest.plane_addr[1], wb_cfg->dest.plane_addr[2]); |
| |
| SDE_DEBUG("[fb_offset:%8.8x,%8.8x,%8.8x,%8.8x]\n", |
| wb_cfg->dest.plane_addr[0], |
| wb_cfg->dest.plane_addr[1], |
| wb_cfg->dest.plane_addr[2], |
| wb_cfg->dest.plane_addr[3]); |
| SDE_DEBUG("[fb_stride:%8.8x,%8.8x,%8.8x,%8.8x]\n", |
| wb_cfg->dest.plane_pitch[0], |
| wb_cfg->dest.plane_pitch[1], |
| wb_cfg->dest.plane_pitch[2], |
| wb_cfg->dest.plane_pitch[3]); |
| |
| if (hw_wb->ops.setup_roi) |
| hw_wb->ops.setup_roi(hw_wb, wb_cfg); |
| |
| if (hw_wb->ops.setup_outformat) |
| hw_wb->ops.setup_outformat(hw_wb, wb_cfg); |
| |
| if (hw_wb->ops.setup_cdp) { |
| memset(cdp_cfg, 0, sizeof(struct sde_hw_wb_cdp_cfg)); |
| |
| cdp_cfg->enable = phys_enc->sde_kms->catalog->perf.cdp_cfg |
| [SDE_PERF_CDP_USAGE_NRT].wr_enable; |
| cdp_cfg->ubwc_meta_enable = |
| SDE_FORMAT_IS_UBWC(wb_cfg->dest.format); |
| cdp_cfg->tile_amortize_enable = |
| SDE_FORMAT_IS_UBWC(wb_cfg->dest.format) || |
| SDE_FORMAT_IS_TILE(wb_cfg->dest.format); |
| cdp_cfg->preload_ahead = SDE_WB_CDP_PRELOAD_AHEAD_64; |
| |
| hw_wb->ops.setup_cdp(hw_wb, cdp_cfg); |
| } |
| |
| if (hw_wb->ops.setup_outaddress) { |
| SDE_EVT32(hw_wb->idx, |
| wb_cfg->dest.width, |
| wb_cfg->dest.height, |
| wb_cfg->dest.plane_addr[0], |
| wb_cfg->dest.plane_size[0], |
| wb_cfg->dest.plane_addr[1], |
| wb_cfg->dest.plane_size[1], |
| wb_cfg->dest.plane_addr[2], |
| wb_cfg->dest.plane_size[2], |
| wb_cfg->dest.plane_addr[3], |
| wb_cfg->dest.plane_size[3]); |
| hw_wb->ops.setup_outaddress(hw_wb, wb_cfg); |
| } |
| } |
| |
| /** |
| * sde_encoder_phys_wb_setup_cdp - setup chroma down prefetch block |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_setup_cdp(struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| struct sde_hw_intf_cfg *intf_cfg = &wb_enc->intf_cfg; |
| |
| memset(intf_cfg, 0, sizeof(struct sde_hw_intf_cfg)); |
| |
| intf_cfg->intf = SDE_NONE; |
| intf_cfg->wb = hw_wb->idx; |
| intf_cfg->mode_3d = sde_encoder_helper_get_3d_blend_mode(phys_enc); |
| |
| if (phys_enc->hw_ctl && phys_enc->hw_ctl->ops.setup_intf_cfg) |
| phys_enc->hw_ctl->ops.setup_intf_cfg(phys_enc->hw_ctl, |
| intf_cfg); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_atomic_check - verify and fixup given atomic states |
| * @phys_enc: Pointer to physical encoder |
| * @crtc_state: Pointer to CRTC atomic state |
| * @conn_state: Pointer to connector atomic state |
| */ |
| static int sde_encoder_phys_wb_atomic_check( |
| struct sde_encoder_phys *phys_enc, |
| struct drm_crtc_state *crtc_state, |
| struct drm_connector_state *conn_state) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| const struct sde_wb_cfg *wb_cfg = hw_wb->caps; |
| struct drm_framebuffer *fb; |
| const struct sde_format *fmt; |
| struct sde_rect wb_roi; |
| const struct drm_display_mode *mode = &crtc_state->mode; |
| int rc; |
| |
| SDE_DEBUG("[atomic_check:%d,%d,\"%s\",%d,%d]\n", |
| hw_wb->idx - WB_0, mode->base.id, mode->name, |
| mode->hdisplay, mode->vdisplay); |
| |
| if (!conn_state || !conn_state->connector) { |
| SDE_ERROR("invalid connector state\n"); |
| return -EINVAL; |
| } else if (conn_state->connector->status != |
| connector_status_connected) { |
| SDE_ERROR("connector not connected %d\n", |
| conn_state->connector->status); |
| return -EINVAL; |
| } |
| |
| memset(&wb_roi, 0, sizeof(struct sde_rect)); |
| |
| rc = sde_wb_connector_state_get_output_roi(conn_state, &wb_roi); |
| if (rc) { |
| SDE_ERROR("failed to get roi %d\n", rc); |
| return rc; |
| } |
| |
| SDE_DEBUG("[roi:%u,%u,%u,%u]\n", wb_roi.x, wb_roi.y, |
| wb_roi.w, wb_roi.h); |
| |
| /* bypass check if commit with no framebuffer */ |
| fb = sde_wb_connector_state_get_output_fb(conn_state); |
| if (!fb) { |
| SDE_DEBUG("no output framebuffer\n"); |
| return 0; |
| } |
| |
| SDE_DEBUG("[fb_id:%u][fb:%u,%u]\n", fb->base.id, |
| fb->width, fb->height); |
| |
| fmt = sde_get_sde_format_ext(fb->pixel_format, fb->modifier, |
| drm_format_num_planes(fb->pixel_format)); |
| if (!fmt) { |
| SDE_ERROR("unsupported output pixel format:%x\n", |
| fb->pixel_format); |
| return -EINVAL; |
| } |
| |
| SDE_DEBUG("[fb_fmt:%x,%llx]\n", fb->pixel_format, |
| fb->modifier[0]); |
| |
| if (SDE_FORMAT_IS_YUV(fmt) && |
| !(wb_cfg->features & BIT(SDE_WB_YUV_CONFIG))) { |
| SDE_ERROR("invalid output format %x\n", fmt->base.pixel_format); |
| return -EINVAL; |
| } |
| |
| if (SDE_FORMAT_IS_UBWC(fmt) && |
| !(wb_cfg->features & BIT(SDE_WB_UBWC))) { |
| SDE_ERROR("invalid output format %x\n", fmt->base.pixel_format); |
| return -EINVAL; |
| } |
| |
| if (SDE_FORMAT_IS_YUV(fmt) != !!phys_enc->hw_cdm) |
| crtc_state->mode_changed = true; |
| |
| if (wb_roi.w && wb_roi.h) { |
| if (wb_roi.w != mode->hdisplay) { |
| SDE_ERROR("invalid roi w=%d, mode w=%d\n", wb_roi.w, |
| mode->hdisplay); |
| return -EINVAL; |
| } else if (wb_roi.h != mode->vdisplay) { |
| SDE_ERROR("invalid roi h=%d, mode h=%d\n", wb_roi.h, |
| mode->vdisplay); |
| return -EINVAL; |
| } else if (wb_roi.x + wb_roi.w > fb->width) { |
| SDE_ERROR("invalid roi x=%d, w=%d, fb w=%d\n", |
| wb_roi.x, wb_roi.w, fb->width); |
| return -EINVAL; |
| } else if (wb_roi.y + wb_roi.h > fb->height) { |
| SDE_ERROR("invalid roi y=%d, h=%d, fb h=%d\n", |
| wb_roi.y, wb_roi.h, fb->height); |
| return -EINVAL; |
| } else if (wb_roi.w > wb_cfg->sblk->maxlinewidth) { |
| SDE_ERROR("invalid roi w=%d, maxlinewidth=%u\n", |
| wb_roi.w, wb_cfg->sblk->maxlinewidth); |
| return -EINVAL; |
| } |
| } else { |
| if (wb_roi.x || wb_roi.y) { |
| SDE_ERROR("invalid roi x=%d, y=%d\n", |
| wb_roi.x, wb_roi.y); |
| return -EINVAL; |
| } else if (fb->width != mode->hdisplay) { |
| SDE_ERROR("invalid fb w=%d, mode w=%d\n", fb->width, |
| mode->hdisplay); |
| return -EINVAL; |
| } else if (fb->height != mode->vdisplay) { |
| SDE_ERROR("invalid fb h=%d, mode h=%d\n", fb->height, |
| mode->vdisplay); |
| return -EINVAL; |
| } else if (fb->width > wb_cfg->sblk->maxlinewidth) { |
| SDE_ERROR("invalid fb w=%d, maxlinewidth=%u\n", |
| fb->width, wb_cfg->sblk->maxlinewidth); |
| return -EINVAL; |
| } |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * _sde_encoder_phys_wb_update_flush - flush hardware update |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void _sde_encoder_phys_wb_update_flush(struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb; |
| struct sde_hw_ctl *hw_ctl; |
| struct sde_hw_cdm *hw_cdm; |
| u32 flush_mask = 0; |
| |
| if (!phys_enc) |
| return; |
| |
| hw_wb = wb_enc->hw_wb; |
| hw_ctl = phys_enc->hw_ctl; |
| hw_cdm = phys_enc->hw_cdm; |
| |
| SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| |
| if (!hw_ctl) { |
| SDE_DEBUG("[wb:%d] no ctl assigned\n", hw_wb->idx - WB_0); |
| return; |
| } |
| |
| if (hw_ctl->ops.get_bitmask_wb) |
| hw_ctl->ops.get_bitmask_wb(hw_ctl, &flush_mask, hw_wb->idx); |
| |
| if (hw_ctl->ops.get_bitmask_cdm && hw_cdm) |
| hw_ctl->ops.get_bitmask_cdm(hw_ctl, &flush_mask, hw_cdm->idx); |
| |
| if (hw_ctl->ops.update_pending_flush) |
| hw_ctl->ops.update_pending_flush(hw_ctl, flush_mask); |
| |
| if (hw_ctl->ops.get_pending_flush) |
| flush_mask = hw_ctl->ops.get_pending_flush(hw_ctl); |
| |
| SDE_DEBUG("Pending flush mask for CTL_%d is 0x%x, WB %d\n", |
| hw_ctl->idx - CTL_0, flush_mask, hw_wb->idx - WB_0); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_setup - setup writeback encoder |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_setup( |
| struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| struct drm_display_mode mode = phys_enc->cached_mode; |
| struct drm_framebuffer *fb; |
| struct sde_rect *wb_roi = &wb_enc->wb_roi; |
| |
| SDE_DEBUG("[mode_set:%d,%d,\"%s\",%d,%d]\n", |
| hw_wb->idx - WB_0, mode.base.id, mode.name, |
| mode.hdisplay, mode.vdisplay); |
| |
| memset(wb_roi, 0, sizeof(struct sde_rect)); |
| |
| /* clear writeback framebuffer - will be updated in setup_fb */ |
| wb_enc->wb_fb = NULL; |
| wb_enc->wb_aspace = NULL; |
| |
| if (phys_enc->enable_state == SDE_ENC_DISABLING) { |
| fb = wb_enc->fb_disable; |
| wb_roi->w = 0; |
| wb_roi->h = 0; |
| } else { |
| fb = sde_wb_get_output_fb(wb_enc->wb_dev); |
| sde_wb_get_output_roi(wb_enc->wb_dev, wb_roi); |
| } |
| |
| if (!fb) { |
| SDE_DEBUG("no output framebuffer\n"); |
| return; |
| } |
| |
| SDE_DEBUG("[fb_id:%u][fb:%u,%u]\n", fb->base.id, |
| fb->width, fb->height); |
| |
| if (wb_roi->w == 0 || wb_roi->h == 0) { |
| wb_roi->x = 0; |
| wb_roi->y = 0; |
| wb_roi->w = fb->width; |
| wb_roi->h = fb->height; |
| } |
| |
| SDE_DEBUG("[roi:%u,%u,%u,%u]\n", wb_roi->x, wb_roi->y, |
| wb_roi->w, wb_roi->h); |
| |
| wb_enc->wb_fmt = sde_get_sde_format_ext(fb->pixel_format, fb->modifier, |
| drm_format_num_planes(fb->pixel_format)); |
| if (!wb_enc->wb_fmt) { |
| SDE_ERROR("unsupported output pixel format: %d\n", |
| fb->pixel_format); |
| return; |
| } |
| |
| SDE_DEBUG("[fb_fmt:%x,%llx]\n", fb->pixel_format, |
| fb->modifier[0]); |
| |
| sde_encoder_phys_wb_set_ot_limit(phys_enc); |
| |
| sde_encoder_phys_wb_set_traffic_shaper(phys_enc); |
| |
| sde_encoder_phys_wb_set_qos_remap(phys_enc); |
| |
| sde_encoder_phys_setup_cdm(phys_enc, fb, wb_enc->wb_fmt, wb_roi); |
| |
| sde_encoder_phys_wb_setup_fb(phys_enc, fb, wb_roi); |
| |
| sde_encoder_phys_wb_setup_cdp(phys_enc); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_unregister_irq - unregister writeback interrupt handler |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static int sde_encoder_phys_wb_unregister_irq( |
| struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| |
| if (wb_enc->bypass_irqreg) |
| return 0; |
| |
| sde_core_irq_disable(phys_enc->sde_kms, &wb_enc->irq_idx, 1); |
| sde_core_irq_unregister_callback(phys_enc->sde_kms, wb_enc->irq_idx, |
| &wb_enc->irq_cb); |
| |
| SDE_DEBUG("un-register IRQ for wb %d, irq_idx=%d\n", |
| hw_wb->idx - WB_0, |
| wb_enc->irq_idx); |
| |
| return 0; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_done_irq - writeback interrupt handler |
| * @arg: Pointer to writeback encoder |
| * @irq_idx: interrupt index |
| */ |
| static void sde_encoder_phys_wb_done_irq(void *arg, int irq_idx) |
| { |
| struct sde_encoder_phys_wb *wb_enc = arg; |
| struct sde_encoder_phys *phys_enc = &wb_enc->base; |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| u32 event = 0; |
| |
| SDE_DEBUG("[wb:%d,%u]\n", hw_wb->idx - WB_0, |
| wb_enc->frame_count); |
| |
| /* don't notify upper layer for internal commit */ |
| if (phys_enc->enable_state == SDE_ENC_DISABLING) |
| goto complete; |
| |
| event = SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE |
| | SDE_ENCODER_FRAME_EVENT_SIGNAL_RETIRE_FENCE |
| | SDE_ENCODER_FRAME_EVENT_DONE; |
| |
| atomic_add_unless(&phys_enc->pending_retire_fence_cnt, -1, 0); |
| if (phys_enc->parent_ops.handle_frame_done) |
| phys_enc->parent_ops.handle_frame_done(phys_enc->parent, |
| phys_enc, event); |
| |
| if (phys_enc->parent_ops.handle_vblank_virt) |
| phys_enc->parent_ops.handle_vblank_virt(phys_enc->parent, |
| phys_enc); |
| |
| SDE_EVT32_IRQ(DRMID(phys_enc->parent), hw_wb->idx - WB_0, event); |
| |
| complete: |
| complete_all(&wb_enc->wbdone_complete); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_register_irq - register writeback interrupt handler |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static int sde_encoder_phys_wb_register_irq(struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| struct sde_irq_callback *irq_cb = &wb_enc->irq_cb; |
| enum sde_intr_type intr_type; |
| int ret = 0; |
| |
| if (wb_enc->bypass_irqreg) |
| return 0; |
| |
| intr_type = sde_encoder_phys_wb_get_intr_type(hw_wb); |
| wb_enc->irq_idx = sde_core_irq_idx_lookup(phys_enc->sde_kms, |
| intr_type, hw_wb->idx); |
| if (wb_enc->irq_idx < 0) { |
| SDE_ERROR( |
| "failed to lookup IRQ index for WB_DONE with wb=%d\n", |
| hw_wb->idx - WB_0); |
| return -EINVAL; |
| } |
| |
| irq_cb->func = sde_encoder_phys_wb_done_irq; |
| irq_cb->arg = wb_enc; |
| ret = sde_core_irq_register_callback(phys_enc->sde_kms, |
| wb_enc->irq_idx, irq_cb); |
| if (ret) { |
| SDE_ERROR("failed to register IRQ callback WB_DONE\n"); |
| return ret; |
| } |
| |
| ret = sde_core_irq_enable(phys_enc->sde_kms, &wb_enc->irq_idx, 1); |
| if (ret) { |
| SDE_ERROR( |
| "failed to enable IRQ for WB_DONE, wb %d, irq_idx=%d\n", |
| hw_wb->idx - WB_0, |
| wb_enc->irq_idx); |
| wb_enc->irq_idx = -EINVAL; |
| |
| /* Unregister callback on IRQ enable failure */ |
| sde_core_irq_unregister_callback(phys_enc->sde_kms, |
| wb_enc->irq_idx, irq_cb); |
| return ret; |
| } |
| |
| SDE_DEBUG("registered IRQ for wb %d, irq_idx=%d\n", |
| hw_wb->idx - WB_0, |
| wb_enc->irq_idx); |
| |
| return ret; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_mode_set - set display mode |
| * @phys_enc: Pointer to physical encoder |
| * @mode: Pointer to requested display mode |
| * @adj_mode: Pointer to adjusted display mode |
| */ |
| static void sde_encoder_phys_wb_mode_set( |
| struct sde_encoder_phys *phys_enc, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adj_mode) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_rm *rm = &phys_enc->sde_kms->rm; |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| struct sde_rm_hw_iter iter; |
| int i, instance; |
| |
| phys_enc->cached_mode = *adj_mode; |
| instance = phys_enc->split_role == ENC_ROLE_SLAVE ? 1 : 0; |
| |
| SDE_DEBUG("[mode_set_cache:%d,%d,\"%s\",%d,%d]\n", |
| hw_wb->idx - WB_0, mode->base.id, |
| mode->name, mode->hdisplay, mode->vdisplay); |
| |
| phys_enc->hw_ctl = NULL; |
| phys_enc->hw_cdm = NULL; |
| |
| /* Retrieve previously allocated HW Resources. CTL shouldn't fail */ |
| sde_rm_init_hw_iter(&iter, phys_enc->parent->base.id, SDE_HW_BLK_CTL); |
| for (i = 0; i <= instance; i++) { |
| sde_rm_get_hw(rm, &iter); |
| if (i == instance) |
| phys_enc->hw_ctl = (struct sde_hw_ctl *) iter.hw; |
| } |
| |
| if (IS_ERR_OR_NULL(phys_enc->hw_ctl)) { |
| SDE_ERROR("failed init ctl: %ld\n", PTR_ERR(phys_enc->hw_ctl)); |
| phys_enc->hw_ctl = NULL; |
| return; |
| } |
| |
| /* CDM is optional */ |
| sde_rm_init_hw_iter(&iter, phys_enc->parent->base.id, SDE_HW_BLK_CDM); |
| for (i = 0; i <= instance; i++) { |
| sde_rm_get_hw(rm, &iter); |
| if (i == instance) |
| phys_enc->hw_cdm = (struct sde_hw_cdm *) iter.hw; |
| } |
| |
| if (IS_ERR(phys_enc->hw_cdm)) { |
| SDE_ERROR("CDM required but not allocated: %ld\n", |
| PTR_ERR(phys_enc->hw_cdm)); |
| phys_enc->hw_ctl = NULL; |
| } |
| } |
| |
| /** |
| * sde_encoder_phys_wb_wait_for_commit_done - wait until request is committed |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static int sde_encoder_phys_wb_wait_for_commit_done( |
| struct sde_encoder_phys *phys_enc) |
| { |
| unsigned long ret; |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| u32 irq_status, event = 0; |
| u64 wb_time = 0; |
| int rc = 0; |
| u32 timeout = max_t(u32, wb_enc->wbdone_timeout, KICKOFF_TIMEOUT_MS); |
| |
| /* Return EWOULDBLOCK since we know the wait isn't necessary */ |
| if (phys_enc->enable_state == SDE_ENC_DISABLED) { |
| SDE_ERROR("encoder already disabled\n"); |
| return -EWOULDBLOCK; |
| } |
| |
| SDE_EVT32(DRMID(phys_enc->parent), WBID(wb_enc), wb_enc->frame_count, |
| !!wb_enc->wb_fb); |
| |
| /* signal completion if commit with no framebuffer */ |
| if (!wb_enc->wb_fb) { |
| SDE_DEBUG("no output framebuffer\n"); |
| sde_encoder_phys_wb_done_irq(wb_enc, wb_enc->irq_idx); |
| } |
| |
| ret = wait_for_completion_timeout(&wb_enc->wbdone_complete, |
| msecs_to_jiffies(timeout)); |
| |
| if (!ret) { |
| SDE_EVT32(DRMID(phys_enc->parent), WBID(wb_enc), |
| wb_enc->frame_count); |
| irq_status = sde_core_irq_read(phys_enc->sde_kms, |
| wb_enc->irq_idx, true); |
| if (irq_status) { |
| SDE_DEBUG("wb:%d done but irq not triggered\n", |
| wb_enc->wb_dev->wb_idx - WB_0); |
| sde_encoder_phys_wb_done_irq(wb_enc, wb_enc->irq_idx); |
| } else { |
| SDE_ERROR("wb:%d kickoff timed out\n", |
| wb_enc->wb_dev->wb_idx - WB_0); |
| atomic_add_unless( |
| &phys_enc->pending_retire_fence_cnt, -1, 0); |
| |
| event = SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE |
| | SDE_ENCODER_FRAME_EVENT_SIGNAL_RETIRE_FENCE |
| | SDE_ENCODER_FRAME_EVENT_ERROR; |
| if (phys_enc->parent_ops.handle_frame_done) |
| phys_enc->parent_ops.handle_frame_done( |
| phys_enc->parent, phys_enc, event); |
| rc = -ETIMEDOUT; |
| } |
| } |
| |
| sde_encoder_phys_wb_unregister_irq(phys_enc); |
| |
| if (!rc) |
| wb_enc->end_time = ktime_get(); |
| |
| /* once operation is done, disable traffic shaper */ |
| if (wb_enc->wb_cfg.ts_cfg.en && wb_enc->hw_wb && |
| wb_enc->hw_wb->ops.setup_trafficshaper) { |
| wb_enc->wb_cfg.ts_cfg.en = false; |
| wb_enc->hw_wb->ops.setup_trafficshaper( |
| wb_enc->hw_wb, &wb_enc->wb_cfg); |
| } |
| |
| /* remove vote for iommu/clk/bus */ |
| wb_enc->frame_count++; |
| |
| if (!rc) { |
| wb_time = (u64)ktime_to_us(wb_enc->end_time) - |
| (u64)ktime_to_us(wb_enc->start_time); |
| SDE_DEBUG("wb:%d took %llu us\n", |
| wb_enc->wb_dev->wb_idx - WB_0, wb_time); |
| } |
| |
| /* cleanup writeback framebuffer */ |
| if (wb_enc->wb_fb && wb_enc->wb_aspace) { |
| msm_framebuffer_cleanup(wb_enc->wb_fb, wb_enc->wb_aspace); |
| wb_enc->wb_fb = NULL; |
| wb_enc->wb_aspace = NULL; |
| } |
| |
| SDE_EVT32(DRMID(phys_enc->parent), WBID(wb_enc), wb_enc->frame_count, |
| wb_time, event, rc); |
| |
| return rc; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_prepare_for_kickoff - pre-kickoff processing |
| * @phys_enc: Pointer to physical encoder |
| * @params: kickoff parameters |
| */ |
| static void sde_encoder_phys_wb_prepare_for_kickoff( |
| struct sde_encoder_phys *phys_enc, |
| struct sde_encoder_kickoff_params *params) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| int ret; |
| |
| SDE_DEBUG("[wb:%d,%u]\n", wb_enc->hw_wb->idx - WB_0, |
| wb_enc->kickoff_count); |
| |
| reinit_completion(&wb_enc->wbdone_complete); |
| |
| ret = sde_encoder_phys_wb_register_irq(phys_enc); |
| if (ret) { |
| SDE_ERROR("failed to register irq %d\n", ret); |
| return; |
| } |
| |
| wb_enc->kickoff_count++; |
| |
| /* set OT limit & enable traffic shaper */ |
| sde_encoder_phys_wb_setup(phys_enc); |
| |
| _sde_encoder_phys_wb_update_flush(phys_enc); |
| |
| /* vote for iommu/clk/bus */ |
| wb_enc->start_time = ktime_get(); |
| |
| SDE_EVT32(DRMID(phys_enc->parent), WBID(wb_enc), wb_enc->kickoff_count); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_trigger_flush - trigger flush processing |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_trigger_flush(struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| |
| if (!phys_enc || !wb_enc->hw_wb) { |
| SDE_ERROR("invalid encoder\n"); |
| return; |
| } |
| |
| SDE_DEBUG("[wb:%d]\n", wb_enc->hw_wb->idx - WB_0); |
| |
| /* clear pending flush if commit with no framebuffer */ |
| if (!wb_enc->wb_fb) { |
| SDE_DEBUG("no output framebuffer\n"); |
| return; |
| } |
| |
| sde_encoder_helper_trigger_flush(phys_enc); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_handle_post_kickoff - post-kickoff processing |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_handle_post_kickoff( |
| struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| |
| SDE_DEBUG("[wb:%d]\n", wb_enc->hw_wb->idx - WB_0); |
| |
| SDE_EVT32(DRMID(phys_enc->parent), WBID(wb_enc)); |
| } |
| |
| /** |
| * _sde_encoder_phys_wb_init_internal_fb - create fb for internal commit |
| * @wb_enc: Pointer to writeback encoder |
| * @pixel_format: DRM pixel format |
| * @width: Desired fb width |
| * @height: Desired fb height |
| * @pitch: Desired fb pitch |
| */ |
| static int _sde_encoder_phys_wb_init_internal_fb( |
| struct sde_encoder_phys_wb *wb_enc, |
| uint32_t pixel_format, uint32_t width, |
| uint32_t height, uint32_t pitch) |
| { |
| struct drm_device *dev; |
| struct drm_framebuffer *fb; |
| struct drm_mode_fb_cmd2 mode_cmd; |
| uint32_t size; |
| int nplanes, i, ret; |
| struct msm_gem_address_space *aspace; |
| |
| if (!wb_enc || !wb_enc->base.parent || !wb_enc->base.sde_kms) { |
| SDE_ERROR("invalid params\n"); |
| return -EINVAL; |
| } |
| |
| aspace = wb_enc->base.sde_kms->aspace[SDE_IOMMU_DOMAIN_UNSECURE]; |
| if (!aspace) { |
| SDE_ERROR("invalid address space\n"); |
| return -EINVAL; |
| } |
| |
| dev = wb_enc->base.sde_kms->dev; |
| if (!dev) { |
| SDE_ERROR("invalid dev\n"); |
| return -EINVAL; |
| } |
| |
| memset(&mode_cmd, 0, sizeof(mode_cmd)); |
| mode_cmd.pixel_format = pixel_format; |
| mode_cmd.width = width; |
| mode_cmd.height = height; |
| mode_cmd.pitches[0] = pitch; |
| |
| size = sde_format_get_framebuffer_size(pixel_format, |
| mode_cmd.width, mode_cmd.height, |
| mode_cmd.pitches, NULL, 0); |
| if (!size) { |
| SDE_DEBUG("not creating zero size buffer\n"); |
| return -EINVAL; |
| } |
| |
| /* allocate gem tracking object */ |
| nplanes = drm_format_num_planes(pixel_format); |
| if (nplanes > SDE_MAX_PLANES) { |
| SDE_ERROR("requested format has too many planes\n"); |
| return -EINVAL; |
| } |
| mutex_lock(&dev->struct_mutex); |
| wb_enc->bo_disable[0] = msm_gem_new(dev, size, |
| MSM_BO_SCANOUT | MSM_BO_WC); |
| mutex_unlock(&dev->struct_mutex); |
| |
| if (IS_ERR_OR_NULL(wb_enc->bo_disable[0])) { |
| ret = PTR_ERR(wb_enc->bo_disable[0]); |
| wb_enc->bo_disable[0] = NULL; |
| |
| SDE_ERROR("failed to create bo, %d\n", ret); |
| return ret; |
| } |
| |
| for (i = 0; i < nplanes; ++i) { |
| wb_enc->bo_disable[i] = wb_enc->bo_disable[0]; |
| mode_cmd.pitches[i] = width * |
| drm_format_plane_cpp(pixel_format, i); |
| } |
| |
| fb = msm_framebuffer_init(dev, &mode_cmd, wb_enc->bo_disable); |
| if (IS_ERR_OR_NULL(fb)) { |
| ret = PTR_ERR(fb); |
| drm_gem_object_unreference(wb_enc->bo_disable[0]); |
| wb_enc->bo_disable[0] = NULL; |
| |
| SDE_ERROR("failed to init fb, %d\n", ret); |
| return ret; |
| } |
| |
| /* prepare the backing buffer now so that it's available later */ |
| ret = msm_framebuffer_prepare(fb, aspace); |
| if (!ret) |
| wb_enc->fb_disable = fb; |
| return ret; |
| } |
| |
| /** |
| * _sde_encoder_phys_wb_destroy_internal_fb - deconstruct internal fb |
| * @wb_enc: Pointer to writeback encoder |
| */ |
| static void _sde_encoder_phys_wb_destroy_internal_fb( |
| struct sde_encoder_phys_wb *wb_enc) |
| { |
| if (!wb_enc) |
| return; |
| |
| if (wb_enc->fb_disable) { |
| drm_framebuffer_unregister_private(wb_enc->fb_disable); |
| drm_framebuffer_remove(wb_enc->fb_disable); |
| wb_enc->fb_disable = NULL; |
| } |
| |
| if (wb_enc->bo_disable[0]) { |
| drm_gem_object_unreference(wb_enc->bo_disable[0]); |
| wb_enc->bo_disable[0] = NULL; |
| } |
| } |
| |
| /** |
| * sde_encoder_phys_wb_enable - enable writeback encoder |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_enable(struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| struct drm_device *dev; |
| struct drm_connector *connector; |
| |
| SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| |
| if (!wb_enc->base.parent || !wb_enc->base.parent->dev) { |
| SDE_ERROR("invalid drm device\n"); |
| return; |
| } |
| dev = wb_enc->base.parent->dev; |
| |
| /* find associated writeback connector */ |
| connector = phys_enc->connector; |
| |
| if (!connector || connector->encoder != phys_enc->parent) { |
| SDE_ERROR("failed to find writeback connector\n"); |
| return; |
| } |
| wb_enc->wb_dev = sde_wb_connector_get_wb(connector); |
| |
| phys_enc->enable_state = SDE_ENC_ENABLED; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_disable - disable writeback encoder |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_disable(struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| |
| SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| |
| if (phys_enc->enable_state == SDE_ENC_DISABLED) { |
| SDE_ERROR("encoder is already disabled\n"); |
| return; |
| } |
| |
| if (wb_enc->frame_count != wb_enc->kickoff_count) { |
| SDE_DEBUG("[wait_for_done: wb:%d, frame:%u, kickoff:%u]\n", |
| hw_wb->idx - WB_0, wb_enc->frame_count, |
| wb_enc->kickoff_count); |
| sde_encoder_phys_wb_wait_for_commit_done(phys_enc); |
| } |
| |
| if (!phys_enc->hw_ctl || !phys_enc->parent || |
| !phys_enc->sde_kms || !wb_enc->fb_disable) { |
| SDE_DEBUG("invalid enc, skipping extra commit\n"); |
| goto exit; |
| } |
| |
| /* reset h/w before final flush */ |
| if (phys_enc->hw_ctl->ops.clear_pending_flush) |
| phys_enc->hw_ctl->ops.clear_pending_flush(phys_enc->hw_ctl); |
| if (sde_encoder_helper_reset_mixers(phys_enc, wb_enc->fb_disable)) |
| goto exit; |
| |
| phys_enc->enable_state = SDE_ENC_DISABLING; |
| sde_encoder_phys_wb_prepare_for_kickoff(phys_enc, NULL); |
| if (phys_enc->hw_ctl->ops.trigger_flush) |
| phys_enc->hw_ctl->ops.trigger_flush(phys_enc->hw_ctl); |
| sde_encoder_helper_trigger_start(phys_enc); |
| sde_encoder_phys_wb_wait_for_commit_done(phys_enc); |
| exit: |
| phys_enc->enable_state = SDE_ENC_DISABLED; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_get_hw_resources - get hardware resources |
| * @phys_enc: Pointer to physical encoder |
| * @hw_res: Pointer to encoder resources |
| */ |
| static void sde_encoder_phys_wb_get_hw_resources( |
| struct sde_encoder_phys *phys_enc, |
| struct sde_encoder_hw_resources *hw_res, |
| struct drm_connector_state *conn_state) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb; |
| struct drm_framebuffer *fb; |
| const struct sde_format *fmt = NULL; |
| |
| if (!phys_enc) { |
| SDE_ERROR("invalid encoder\n"); |
| return; |
| } |
| |
| fb = sde_wb_connector_state_get_output_fb(conn_state); |
| if (fb) { |
| fmt = sde_get_sde_format_ext(fb->pixel_format, fb->modifier, |
| drm_format_num_planes(fb->pixel_format)); |
| if (!fmt) { |
| SDE_ERROR("unsupported output pixel format:%d\n", |
| fb->pixel_format); |
| return; |
| } |
| } |
| |
| hw_wb = wb_enc->hw_wb; |
| hw_res->wbs[hw_wb->idx - WB_0] = phys_enc->intf_mode; |
| hw_res->needs_cdm = fmt ? SDE_FORMAT_IS_YUV(fmt) : false; |
| SDE_DEBUG("[wb:%d] intf_mode=%d needs_cdm=%d\n", hw_wb->idx - WB_0, |
| hw_res->wbs[hw_wb->idx - WB_0], |
| hw_res->needs_cdm); |
| } |
| |
| #ifdef CONFIG_DEBUG_FS |
| /** |
| * sde_encoder_phys_wb_init_debugfs - initialize writeback encoder debugfs |
| * @phys_enc: Pointer to physical encoder |
| * @debugfs_root: Pointer to virtual encoder's debugfs_root dir |
| */ |
| static int sde_encoder_phys_wb_init_debugfs( |
| struct sde_encoder_phys *phys_enc, struct dentry *debugfs_root) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| |
| if (!phys_enc || !wb_enc->hw_wb || !debugfs_root) |
| return -EINVAL; |
| |
| if (!debugfs_create_u32("wbdone_timeout", 0600, |
| debugfs_root, &wb_enc->wbdone_timeout)) { |
| SDE_ERROR("failed to create debugfs/wbdone_timeout\n"); |
| return -ENOMEM; |
| } |
| |
| if (!debugfs_create_u32("bypass_irqreg", 0600, |
| debugfs_root, &wb_enc->bypass_irqreg)) { |
| SDE_ERROR("failed to create debugfs/bypass_irqreg\n"); |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| #else |
| static int sde_encoder_phys_wb_init_debugfs( |
| struct sde_encoder_phys *phys_enc, struct dentry *debugfs_root) |
| { |
| return 0; |
| } |
| #endif |
| |
| static int sde_encoder_phys_wb_late_register(struct sde_encoder_phys *phys_enc, |
| struct dentry *debugfs_root) |
| { |
| return sde_encoder_phys_wb_init_debugfs(phys_enc, debugfs_root); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_destroy - destroy writeback encoder |
| * @phys_enc: Pointer to physical encoder |
| */ |
| static void sde_encoder_phys_wb_destroy(struct sde_encoder_phys *phys_enc) |
| { |
| struct sde_encoder_phys_wb *wb_enc = to_sde_encoder_phys_wb(phys_enc); |
| struct sde_hw_wb *hw_wb = wb_enc->hw_wb; |
| |
| SDE_DEBUG("[wb:%d]\n", hw_wb->idx - WB_0); |
| |
| if (!phys_enc) |
| return; |
| |
| _sde_encoder_phys_wb_destroy_internal_fb(wb_enc); |
| |
| kfree(wb_enc); |
| } |
| |
| /** |
| * sde_encoder_phys_wb_init_ops - initialize writeback operations |
| * @ops: Pointer to encoder operation table |
| */ |
| static void sde_encoder_phys_wb_init_ops(struct sde_encoder_phys_ops *ops) |
| { |
| ops->late_register = sde_encoder_phys_wb_late_register; |
| ops->is_master = sde_encoder_phys_wb_is_master; |
| ops->mode_set = sde_encoder_phys_wb_mode_set; |
| ops->enable = sde_encoder_phys_wb_enable; |
| ops->disable = sde_encoder_phys_wb_disable; |
| ops->destroy = sde_encoder_phys_wb_destroy; |
| ops->atomic_check = sde_encoder_phys_wb_atomic_check; |
| ops->get_hw_resources = sde_encoder_phys_wb_get_hw_resources; |
| ops->wait_for_commit_done = sde_encoder_phys_wb_wait_for_commit_done; |
| ops->prepare_for_kickoff = sde_encoder_phys_wb_prepare_for_kickoff; |
| ops->handle_post_kickoff = sde_encoder_phys_wb_handle_post_kickoff; |
| ops->trigger_flush = sde_encoder_phys_wb_trigger_flush; |
| ops->trigger_start = sde_encoder_helper_trigger_start; |
| ops->hw_reset = sde_encoder_helper_hw_reset; |
| } |
| |
| /** |
| * sde_encoder_phys_wb_init - initialize writeback encoder |
| * @init: Pointer to init info structure with initialization params |
| */ |
| struct sde_encoder_phys *sde_encoder_phys_wb_init( |
| struct sde_enc_phys_init_params *p) |
| { |
| struct sde_encoder_phys *phys_enc; |
| struct sde_encoder_phys_wb *wb_enc; |
| struct sde_hw_mdp *hw_mdp; |
| int ret = 0; |
| |
| SDE_DEBUG("\n"); |
| |
| if (!p || !p->parent) { |
| SDE_ERROR("invalid params\n"); |
| ret = -EINVAL; |
| goto fail_alloc; |
| } |
| |
| wb_enc = kzalloc(sizeof(*wb_enc), GFP_KERNEL); |
| if (!wb_enc) { |
| SDE_ERROR("failed to allocate wb enc\n"); |
| ret = -ENOMEM; |
| goto fail_alloc; |
| } |
| wb_enc->irq_idx = -EINVAL; |
| wb_enc->wbdone_timeout = KICKOFF_TIMEOUT_MS; |
| init_completion(&wb_enc->wbdone_complete); |
| |
| phys_enc = &wb_enc->base; |
| |
| if (p->sde_kms->vbif[VBIF_NRT]) { |
| wb_enc->aspace[SDE_IOMMU_DOMAIN_UNSECURE] = |
| p->sde_kms->aspace[MSM_SMMU_DOMAIN_NRT_UNSECURE]; |
| wb_enc->aspace[SDE_IOMMU_DOMAIN_SECURE] = |
| p->sde_kms->aspace[MSM_SMMU_DOMAIN_NRT_SECURE]; |
| } else { |
| wb_enc->aspace[SDE_IOMMU_DOMAIN_UNSECURE] = |
| p->sde_kms->aspace[MSM_SMMU_DOMAIN_UNSECURE]; |
| wb_enc->aspace[SDE_IOMMU_DOMAIN_SECURE] = |
| p->sde_kms->aspace[MSM_SMMU_DOMAIN_SECURE]; |
| } |
| |
| hw_mdp = sde_rm_get_mdp(&p->sde_kms->rm); |
| if (IS_ERR_OR_NULL(hw_mdp)) { |
| ret = PTR_ERR(hw_mdp); |
| SDE_ERROR("failed to init hw_top: %d\n", ret); |
| goto fail_mdp_init; |
| } |
| phys_enc->hw_mdptop = hw_mdp; |
| |
| /** |
| * hw_wb resource permanently assigned to this encoder |
| * Other resources allocated at atomic commit time by use case |
| */ |
| if (p->wb_idx != SDE_NONE) { |
| struct sde_rm_hw_iter iter; |
| |
| sde_rm_init_hw_iter(&iter, 0, SDE_HW_BLK_WB); |
| while (sde_rm_get_hw(&p->sde_kms->rm, &iter)) { |
| struct sde_hw_wb *hw_wb = (struct sde_hw_wb *)iter.hw; |
| |
| if (hw_wb->idx == p->wb_idx) { |
| wb_enc->hw_wb = hw_wb; |
| break; |
| } |
| } |
| |
| if (!wb_enc->hw_wb) { |
| ret = -EINVAL; |
| SDE_ERROR("failed to init hw_wb%d\n", p->wb_idx - WB_0); |
| goto fail_wb_init; |
| } |
| } else { |
| ret = -EINVAL; |
| SDE_ERROR("invalid wb_idx\n"); |
| goto fail_wb_check; |
| } |
| |
| sde_encoder_phys_wb_init_ops(&phys_enc->ops); |
| phys_enc->parent = p->parent; |
| phys_enc->parent_ops = p->parent_ops; |
| phys_enc->sde_kms = p->sde_kms; |
| phys_enc->split_role = p->split_role; |
| phys_enc->intf_mode = INTF_MODE_WB_LINE; |
| phys_enc->intf_idx = p->intf_idx; |
| phys_enc->enc_spinlock = p->enc_spinlock; |
| atomic_set(&phys_enc->pending_retire_fence_cnt, 0); |
| INIT_LIST_HEAD(&wb_enc->irq_cb.list); |
| |
| /* create internal buffer for disable logic */ |
| if (_sde_encoder_phys_wb_init_internal_fb(wb_enc, |
| DRM_FORMAT_RGB888, 2, 1, 6)) { |
| SDE_ERROR("failed to init internal fb\n"); |
| goto fail_wb_init; |
| } |
| |
| SDE_DEBUG("Created sde_encoder_phys_wb for wb %d\n", |
| wb_enc->hw_wb->idx - WB_0); |
| |
| return phys_enc; |
| |
| fail_wb_init: |
| fail_wb_check: |
| fail_mdp_init: |
| kfree(wb_enc); |
| fail_alloc: |
| return ERR_PTR(ret); |
| } |
| |