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drm/mediatek: dsi: Fine tune the line time caused by EOTp

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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@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
Jitao Shi 2021-02-01 11:36:03 +08:00 committed by Chun-Kuang Hu
parent c87d1c4b5b
commit 8b2b99fd79
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/mediatek/mtk_dsi.c
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@ -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;