diff options
| author | Wayne Zou <b36644@freescale.com> | 2012-02-02 15:10:35 +0800 |
|---|---|---|
| committer | Wayne Zou <b36644@freescale.com> | 2012-02-08 17:41:19 +0800 |
| commit | 53d272eb75d242b25eb46c8db8355067e072f189 (patch) | |
| tree | e807d79a613c5170c755864509d1e1e2ea1a04b2 | |
| parent | 2ebc2ea41c104439e72e0bcfc24b775c292dd724 (diff) | |
ENGR00171353 MIPI_DSI: mipi display blank and unblank fail fixed
mipi display blank and unblank fail on HW board: MX6Q_ARM2 1G SN 0112
The host processor sends PCLK, HS and VS information to display modules
two frames before sleep-out command is sent.
Signed-off-by: Wayne Zou <b36644@freescale.com>
| -rw-r--r-- | drivers/video/mxc/mipi_dsi.c | 6 | ||||
| -rw-r--r-- | drivers/video/mxc/mxcfb_hx8369_wvga.c | 7 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/video/mxc/mipi_dsi.c b/drivers/video/mxc/mipi_dsi.c index c236ee7434ec..244f2d8f294b 100644 --- a/drivers/video/mxc/mipi_dsi.c +++ b/drivers/video/mxc/mipi_dsi.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. 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 as published by @@ -454,6 +454,10 @@ static int mipi_dsi_power_on(struct mxc_dispdrv_handle *disp) if (!mipi_dsi->dsi_power_on) { clk_enable(mipi_dsi->dphy_clk); mipi_dsi_enable_controller(mipi_dsi, false); + mipi_dsi_set_mode(mipi_dsi, false); + /* host send pclk/hsync/vsync for two frames before sleep-out */ + msleep((1000/mipi_dsi->mode->refresh + 1) << 1); + mipi_dsi_set_mode(mipi_dsi, true); err = mipi_dsi_dcs_cmd(mipi_dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0); if (err) { diff --git a/drivers/video/mxc/mxcfb_hx8369_wvga.c b/drivers/video/mxc/mxcfb_hx8369_wvga.c index d8771fd3c1a3..ed6ffbc37530 100644 --- a/drivers/video/mxc/mxcfb_hx8369_wvga.c +++ b/drivers/video/mxc/mxcfb_hx8369_wvga.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. 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 as published by @@ -317,7 +317,10 @@ int mipid_hx8369_lcd_setup(struct mipi_dsi_info *mipi_dsi) buf[0] = MIPI_DCS_EXIT_SLEEP_MODE; mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM, buf, 0); - + /* To allow time for the supply voltages + * and clock circuits to stabilize. + */ + msleep(5); buf[0] = MIPI_DCS_SET_DISPLAY_ON; mipi_dsi_pkt_write(mipi_dsi, MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM, buf, 0); |