From 6d500a24762a936ee2a8478fb8110df1bfed1cce Mon Sep 17 00:00:00 2001 From: Paul Ma Date: Fri, 8 May 2020 13:16:04 +0800 Subject: mb/google/kukui: fix screen scrolling on devices using anx7625 anx7625 enables MIPI receiver to check EOTP packet as default. If MIPI_DSI_MODE_EOT_PACKET is not set in flags, soc dsi will not send out EOTP packet and some panel models will display abnormal such as scrolling all the time. BUG=b:144824303 BRANCH=kukui TEST=boot damu board, edp panel with anx7625 as bridge boots up without scrolling. Signed-off-by: Paul Ma Change-Id: Iad651202bde2a40024af8c12153143ada2ce2439 Reviewed-on: https://review.coreboot.org/c/coreboot/+/41161 Reviewed-by: Yu-Ping Wu Reviewed-by: Hung-Te Lin Tested-by: build bot (Jenkins) --- src/mainboard/google/kukui/mainboard.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/mainboard') diff --git a/src/mainboard/google/kukui/mainboard.c b/src/mainboard/google/kukui/mainboard.c index bb36d90e3d..efcd49e078 100644 --- a/src/mainboard/google/kukui/mainboard.c +++ b/src/mainboard/google/kukui/mainboard.c @@ -154,6 +154,8 @@ static bool configure_display(void) u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_LPM); + if (CONFIG(DRIVER_ANALOGIX_ANX7625)) + mipi_dsi_flags |= MIPI_DSI_MODE_EOT_PACKET; if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, edid, panel->s->init) < 0) { printk(BIOS_ERR, "%s: Failed in DSI init.\n", __func__); -- cgit v1.2.3