[coreboot-gerrit] Change in coreboot[master]: soc/mediatek: dsi: tune the dphy time by eotp enable

[jitao shi (Code Review)]

jitao shi has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/48953 )

Change subject: soc/mediatek: dsi: tune the dphy time by eotp enable
......................................................................

soc/mediatek: dsi: tune the dphy time by eotp enable

Eotp will make the line time larger than disable Eotp. So the hfp and
hbp should be reduced to keep line time.

BRANCH=kukui
BUG=b:168728787
TEST=Boots correctly on Kukui

Signed-off-by: Jitao Shi 
Change-Id: I040e4f7fb3ada0a1b2bcf06ea30cf93d98775d6a
---
M src/soc/mediatek/common/dsi.c
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/53/48953/1

diff --git a/src/soc/mediatek/common/dsi.c b/src/soc/mediatek/common/dsi.c
index 2505bbc..fca0069 100644
--- a/src/soc/mediatek/common/dsi.c
+++ b/src/soc/mediatek/common/dsi.c
@@ -202,6 +202,10 @@
    		  phy_timing->da_hs_zero + phy_timing->da_hs_exit + 3;

u32 delta = 12;
+
+	if (!(mode_flags & MIPI_DSI_MODE_EOT_PACKET))
+		delta += 2;
+
    if (mode_flags & MIPI_DSI_MODE_VIDEO_BURST)
    	delta += 6;