diff --git a/msm/dsi/dsi_display.c b/msm/dsi/dsi_display.c index b002c0e9f990..b2af75e510ee 100644 --- a/msm/dsi/dsi_display.c +++ b/msm/dsi/dsi_display.c @@ -5819,6 +5819,7 @@ int dsi_display_get_info(struct drm_connector *connector, info->max_height = 1080; info->qsync_min_fps = display->panel->qsync_min_fps; + info->poms_align_vsync = display->panel->poms_align_vsync; switch (display->panel->panel_mode) { case DSI_OP_VIDEO_MODE: @@ -7357,6 +7358,25 @@ int dsi_display_pre_disable(struct dsi_display *display) return rc; } +static void dsi_display_handle_poms_te(struct work_struct *work) +{ + struct dsi_display *display = NULL; + struct delayed_work *dw = to_delayed_work(work); + struct mipi_dsi_device *dsi; + int rc = 0; + + display = container_of(dw, struct dsi_display, poms_te_work); + if (!display || !display->panel) { + DSI_ERR("Invalid params\n"); + return; + } + + dsi = &display->panel->mipi_device; + rc = mipi_dsi_dcs_set_tear_off(dsi); + if (rc < 0) + DSI_ERR("failed to set tear off\n"); +} + int dsi_display_disable(struct dsi_display *display) { int rc = 0; @@ -7369,6 +7389,11 @@ int dsi_display_disable(struct dsi_display *display) SDE_EVT32(SDE_EVTLOG_FUNC_ENTRY); mutex_lock(&display->display_lock); + /* cancel delayed work */ + if (display->poms_pending && + display->panel->poms_align_vsync) + cancel_delayed_work_sync(&display->poms_te_work); + rc = dsi_display_wake_up(display); if (rc) DSI_ERR("[%s] display wake up failed, rc=%d\n", @@ -7380,6 +7405,18 @@ int dsi_display_disable(struct dsi_display *display) DSI_ERR("[%s]failed to disable DSI vid engine, rc=%d\n", display->name, rc); } else if (display->config.panel_mode == DSI_OP_CMD_MODE) { + /** + * On POMS request , disable panel TE through + * delayed work queue. + */ + if (display->poms_pending && + display->panel->poms_align_vsync) { + INIT_DELAYED_WORK(&display->poms_te_work, + dsi_display_handle_poms_te); + queue_delayed_work(system_wq, + &display->poms_te_work, + msecs_to_jiffies(100)); + } rc = dsi_display_cmd_engine_disable(display); if (rc) DSI_ERR("[%s]failed to disable DSI cmd engine, rc=%d\n", diff --git a/msm/dsi/dsi_display.h b/msm/dsi/dsi_display.h index 4c41f3dd7316..21762c891c86 100644 --- a/msm/dsi/dsi_display.h +++ b/msm/dsi/dsi_display.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved. + * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved. */ #ifndef _DSI_DISPLAY_H_ @@ -180,6 +180,7 @@ struct dsi_display_ext_bridge { * @misr_enable Frame MISR enable/disable * @misr_frame_count Number of frames to accumulate the MISR value * @esd_trigger field indicating ESD trigger through debugfs + * @poms_te_work POMS delayed work for disabling panel TE * @te_source vsync source pin information * @clk_gating_config Clocks for which clock gating needs to be enabled * @queue_cmd_waits Indicates if wait for dma commands done has to be queued. @@ -261,6 +262,9 @@ struct dsi_display { struct work_struct fifo_overflow_work; struct work_struct lp_rx_timeout_work; + /* panel te delayed work */ + struct delayed_work poms_te_work; + /* firmware panel data */ const struct firmware *fw; void *parser; diff --git a/msm/dsi/dsi_panel.c b/msm/dsi/dsi_panel.c index 1085801d56dd..3e872e04f113 100644 --- a/msm/dsi/dsi_panel.c +++ b/msm/dsi/dsi_panel.c @@ -1479,6 +1479,8 @@ static int dsi_panel_parse_panel_mode(struct dsi_panel *panel) } } + panel->poms_align_vsync = utils->read_bool(utils->data, + "qcom,poms-align-panel-vsync"); panel->panel_mode = panel_mode; panel->panel_mode_switch_enabled = panel_mode_switch_enabled; error: diff --git a/msm/dsi/dsi_panel.h b/msm/dsi/dsi_panel.h index 4b10e457a224..946bbf0bcb89 100644 --- a/msm/dsi/dsi_panel.h +++ b/msm/dsi/dsi_panel.h @@ -171,6 +171,7 @@ struct dsi_panel { struct dsi_cmd_engine_cfg cmd_config; enum dsi_op_mode panel_mode; bool panel_mode_switch_enabled; + bool poms_align_vsync; struct dsi_dfps_capabilities dfps_caps; struct dsi_dyn_clk_caps dyn_clk_caps;