[PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp

From: Jitao Shi
Date: Sun Jan 31 2021 - 22:37:14 EST


Enabling EoTp will make the line time larger, so the hfp and
hbp should be reduced to keep line time.

Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 2bc46f2350f1..8c70ec39bfe1 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -481,6 +481,7 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
timing->da_hs_zero + timing->da_hs_exit + 3;

delta = dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST ? 18 : 12;
+ delta += dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET ? 2 : 0;

horizontal_frontporch_byte = vm->hfront_porch * dsi_tmp_buf_bpp;
horizontal_front_back_byte = horizontal_frontporch_byte + horizontal_backporch_byte;
--
2.12.5