static int mdp3_ctrl_on(struct msm_fb_data_type *mfd) { int rc = 0; struct mdp3_session_data *mdp3_session; struct mdss_panel_data *panel; pr_debug("mdp3_ctrl_on\n"); mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma || !mdp3_session->intf) { pr_err("mdp3_ctrl_on no device"); return -ENODEV; } mutex_lock(&mdp3_session->lock); if (mdp3_session->status) { pr_debug("fb%d is on already", mfd->index); goto on_error; } rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P); if (rc) { pr_err("fail to attach MDP DMA SMMU\n"); goto on_error; } /* request bus bandwidth before DSI DMA traffic */ rc = mdp3_ctrl_res_req_bus(mfd, 1); if (rc) { pr_err("fail to request bus resource\n"); goto on_error; } panel = mdp3_session->panel; if (panel->event_handler) rc = panel->event_handler(panel, MDSS_EVENT_PANEL_ON, NULL); if (rc) { pr_err("fail to turn on the panel\n"); goto on_error; } rc = mdp3_ctrl_res_req_clk(mfd, 1); if (rc) { pr_err("fail to request mdp clk resource\n"); goto on_error; } rc = mdp3_ctrl_dma_init(mfd, mdp3_session->dma); if (rc) { pr_err("dma init failed\n"); goto on_error; } rc = mdp3_ppp_init(); if (rc) { pr_err("ppp init failed\n"); goto on_error; } rc = mdp3_ctrl_intf_init(mfd, mdp3_session->intf); if (rc) { pr_err("display interface init failed\n"); goto on_error; } rc = mdp3_session->dma->start(mdp3_session->dma, mdp3_session->intf); if (rc) { pr_err("fail to start the MDP display interface\n"); goto on_error; } on_error: if (!rc) mdp3_session->status = 1; mutex_unlock(&mdp3_session->lock); return rc; }
static int mdp3_ctrl_on(struct msm_fb_data_type *mfd) { int rc = 0; struct mdp3_session_data *mdp3_session; struct mdss_panel_data *panel; pr_debug("mdp3_ctrl_on\n"); mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma || !mdp3_session->intf) { pr_err("mdp3_ctrl_on no device"); return -ENODEV; } mutex_lock(&mdp3_session->lock); if (mdp3_session->status) { pr_debug("fb%d is on already", mfd->index); goto on_error; } if (mdp3_session->intf->active) { pr_debug("continuous splash screen, initialized already\n"); goto on_error; } mdp3_enable_regulator(true); mdp3_ctrl_notifier_register(mdp3_session, &mdp3_session->mfd->mdp_sync_pt_data.notifier); /* request bus bandwidth before DSI DMA traffic */ rc = mdp3_ctrl_res_req_bus(mfd, 1); if (rc) { pr_err("fail to request bus resource\n"); goto on_error; } panel = mdp3_session->panel; if (panel->event_handler) { rc = panel->event_handler(panel, MDSS_EVENT_UNBLANK, NULL); rc |= panel->event_handler(panel, MDSS_EVENT_PANEL_ON, NULL); } if (rc) { pr_err("fail to turn on the panel\n"); goto on_error; } rc = mdp3_ctrl_res_req_clk(mfd, 1); if (rc) { pr_err("fail to request mdp clk resource\n"); goto on_error; } rc = mdp3_ctrl_dma_init(mfd, mdp3_session->dma); if (rc) { pr_err("dma init failed\n"); goto on_error; } rc = mdp3_ppp_init(); if (rc) { pr_err("ppp init failed\n"); goto on_error; } rc = mdp3_ctrl_intf_init(mfd, mdp3_session->intf); if (rc) { pr_err("display interface init failed\n"); goto on_error; } mdp3_session->clk_on = 1; mdp3_session->first_commit = true; on_error: if (!rc) mdp3_session->status = 1; mutex_unlock(&mdp3_session->lock); return rc; }
static int mdp3_ctrl_on(struct msm_fb_data_type *mfd) { int rc = 0; struct mdp3_session_data *mdp3_session; struct mdss_panel_data *panel; pr_info("mdp3_ctrl_on++\n"); mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma || !mdp3_session->intf) { pr_err("mdp3_ctrl_on no device"); return -ENODEV; } mutex_lock(&mdp3_session->lock); if (mdp3_session->status) { pr_debug("fb%d is on already", mfd->index); goto on_error; } if (mdp3_session->intf->active) { pr_debug("continuous splash screen, initialized already\n"); goto on_error; } mdp3_batfet_ctrl(true); rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P); if (rc) { pr_err("fail to attach MDP DMA SMMU\n"); goto on_error; } /* request bus bandwidth before DSI DMA traffic */ rc = mdp3_ctrl_res_req_bus(mfd, 1); if (rc) { pr_err("fail to request bus resource\n"); goto on_error; } panel = mdp3_session->panel; if (panel->event_handler) { rc = panel->event_handler(panel, MDSS_EVENT_UNBLANK, NULL); rc |= panel->event_handler(panel, MDSS_EVENT_PANEL_ON, NULL); } if (rc) { pr_err("fail to turn on the panel\n"); goto on_error; } rc = mdp3_ctrl_res_req_clk(mfd, 1); if (rc) { pr_err("fail to request mdp clk resource\n"); goto on_error; } mdp3_irq_register(); rc = mdp3_ctrl_dma_init(mfd, mdp3_session->dma); if (rc) { pr_err("dma init failed\n"); goto on_error; } rc = mdp3_ppp_init(); if (rc) { pr_err("ppp init failed\n"); goto on_error; } rc = mdp3_ctrl_intf_init(mfd, mdp3_session->intf); if (rc) { pr_err("display interface init failed\n"); goto on_error; } mdp3_session->clk_on = 1; pr_debug("mdp3_ctrl_on dma start\n"); if (mfd->fbi->screen_base) { rc = mdp3_session->dma->start(mdp3_session->dma, mdp3_session->intf); if (rc) { pr_err("fail to start the MDP display interface\n"); goto on_error; } } else { mdp3_session->first_commit = true; } pr_info("mdp3_ctrl_on--\n"); on_error: if (!rc) mdp3_session->status = 1; mutex_unlock(&mdp3_session->lock); return rc; }