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lcd: mipi-dsi: optimize power on sequence for encl and dsi [2/2]

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PD#170290: lcd: mipi-dsi: optimize power on sequence for encl and dsi

Change-Id: If081780fe22d2a94548ff7afe8dfdb099d6b725a
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>
This commit is contained in:
Evoke Zhang
2018-07-19 16:41:49 +08:00
committed by Jianxin Pan
parent e4386a05af
commit 68a3a034e2
2 changed files with 18 additions and 3 deletions
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16
drivers/amlogic/media/vout/lcd/lcd_tablet/mipi_dsi_util.c
View File

@@ -452,10 +452,10 @@ static void mipi_dcs_set(int trans_type, int req_ack, int tear_en)
if (tear_en == MIPI_DCS_ENABLE_TEAR) {
/* Enable Tear Interrupt if tear_en is valid */
lcd_vcbus_set_mask(MIPI_DSI_TOP_INTR_CNTL_STAT,
dsi_host_set_mask(MIPI_DSI_TOP_INTR_CNTL_STAT,
(0x1 << BIT_EDPITE_INT_EN));
/* Enable Measure Vsync */
lcd_vcbus_set_mask(MIPI_DSI_TOP_MEAS_CNTL,
dsi_host_set_mask(MIPI_DSI_TOP_MEAS_CNTL,
(0x1 << BIT_VSYNC_MEAS_EN) | (0x1 << BIT_TE_MEAS_EN));
}
@@ -1883,6 +1883,8 @@ static void mipi_dsi_link_on(struct lcd_config_s *pconf)
*/
op_mode_disp, /* DSI operation mode, video or command */
pconf);
if (op_mode_disp == MIPI_DSI_OPERATION_MODE_VIDEO)
lcd_vcbus_write(ENCL_VIDEO_EN, 1);
}
}
@@ -2064,8 +2066,14 @@ static void mipi_dsi_host_on(struct lcd_config_s *pconf)
if (lcd_debug_print_flag)
LCDPR("%s\n", __func__);
/* disable encl */
lcd_vcbus_write(ENCL_VIDEO_EN, 0);
udelay(100);
startup_mipi_dsi_host();
set_dsi_phy_config(pconf->lcd_control.mipi_config);
op_mode_init = pconf->lcd_control.mipi_config->operation_mode_init;
mipi_dcs_set(MIPI_DSI_CMD_TRANS_TYPE, /* 0: high speed, 1: low power */
MIPI_DSI_DCS_ACK_TYPE, /* if need bta ack check */
@@ -2075,10 +2083,12 @@ static void mipi_dsi_host_on(struct lcd_config_s *pconf)
0, /* Chroma sub sample, only for YUV 422 or 420, even or odd */
op_mode_init, /* DSI operation mode, video or command */
pconf);
set_dsi_phy_config(pconf->lcd_control.mipi_config);
/* Startup transfer */
mipi_dsi_lpclk_ctrl(pconf->lcd_control.mipi_config);
if (op_mode_init == MIPI_DSI_OPERATION_MODE_VIDEO)
lcd_vcbus_write(ENCL_VIDEO_EN, 1);
mipi_dsi_link_on(pconf);
if (lcd_debug_print_flag)

5
drivers/amlogic/media/vout/lcd/lcd_tablet/mipi_dsi_util.h
View File

@@ -362,6 +362,11 @@ struct dsi_cmd_request_s {
#define BIT_ACK_ERR_1 1
#define BIT_ACK_ERR_0 0
/* operation mode */
#define MIPI_DSI_OPERATION_MODE_VIDEO 0
#define MIPI_DSI_OPERATION_MODE_COMMAND 1
/* Command transfer type in command mode */
#define DCS_TRANS_HS 0
#define DCS_TRANS_LP 1