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 <magf@bitland.corp-partner.google.com> Change-Id: Iad651202bde2a40024af8c12153143ada2ce2439 Reviewed-on: https://review.coreboot.org/c/coreboot/+/41161 Reviewed-by: Yu-Ping Wu <yupingso@google.com> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -154,6 +154,8 @@ static bool configure_display(void)
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u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO |
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MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
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MIPI_DSI_MODE_LPM);
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if (CONFIG(DRIVER_ANALOGIX_ANX7625))
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mipi_dsi_flags |= MIPI_DSI_MODE_EOT_PACKET;
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if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, edid,
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panel->s->init) < 0) {
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printk(BIOS_ERR, "%s: Failed in DSI init.\n", __func__);
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