[PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp
STALE2039d
From: Jitao Shi <hidden>
Date: 2021-02-01 03:37:11
Also in:
dri-devel, linux-arm-kernel, linux-mediatek, lkml
Subsystem:
drm drivers, drm drivers for mediatek, the rest · Maintainers:
David Airlie, Simona Vetter, Chun-Kuang Hu, Philipp Zabel, Linus Torvalds
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 <redacted> --- 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