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authorJitao Shi <jitao.shi@mediatek.com>2021-02-01 11:36:03 +0800
committerChun-Kuang Hu <chunkuang.hu@kernel.org>2021-03-11 19:57:15 +0800
commit8b2b99fd7931cee3c1fffe4f37bd67583384b505 (patch)
tree64cc92ad08f06900471a6578d0e471235fe6a90f /drivers/gpu/drm/mediatek
parentdrm/mediatek: dsi: Use symbolized register definition (diff)
downloadlinux-dev-8b2b99fd7931cee3c1fffe4f37bd67583384b505.tar.xz
linux-dev-8b2b99fd7931cee3c1fffe4f37bd67583384b505.zip
drm/mediatek: dsi: Fine tune the line time caused by EOTp
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>
Diffstat (limited to 'drivers/gpu/drm/mediatek')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dsi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index b91d7c3dd9ac..1c6e612f7eef 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;