lcd: mipi_dsi: update clk_post timing for dphy [1/1]

PD#SWPL-2436

Problem:
sometime the dphy clk_post is not match spec

Solution:
update clk_post config

Verify:
w400

Change-Id: Ib6b585f833bf923e72109991509915f4ad35d316
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>

diff --git a/drivers/amlogic/media/vout/lcd/lcd_tablet/mipi_dsi_util.c b/drivers/amlogic/media/vout/lcd/lcd_tablet/mipi_dsi_util.c
index b08e16a..49d701a 100644 (file)
--- a/drivers/amlogic/media/vout/lcd/lcd_tablet/mipi_dsi_util.c
+++ b/drivers/amlogic/media/vout/lcd/lcd_tablet/mipi_dsi_util.c
@@ -497,7 +497,7 @@ static void dsi_phy_init(struct dsi_phy_s *dphy, unsigned char lane_num)
 
        /* 0x05210f08);//0x03211c08 */
        dsi_phy_write(MIPI_DSI_CLK_TIM,
-               (dphy->clk_trail | (dphy->clk_post << 8) |
+               (dphy->clk_trail | ((dphy->clk_post+dphy->hs_trail) << 8) |
                (dphy->clk_zero << 16) | (dphy->clk_prepare << 24)));
        dsi_phy_write(MIPI_DSI_CLK_TIM1, dphy->clk_pre); /* ?? */
        /* 0x050f090d */
@@ -1584,7 +1584,7 @@ static void mipi_dsi_phy_config(struct dsi_phy_s *dphy, unsigned int dsi_ui)
        if ((dphy->clk_trail * temp) < t_req_min)
                dphy->clk_trail += 1;
 
-       t_req_min = 60 * 100 + 52 * t_ui + 10 * 100;
+       t_req_min = 60 * 100 + 52 * t_ui + 30 * 100;
        dphy->clk_post = t_req_min / temp;
        if ((dphy->clk_post * temp) < t_req_min)
                dphy->clk_post += 1;