[PATCH v2 1/2] drm/mediatek: dsi: Fix EoTp flag

Jitao Shi jitao.shi at mediatek.com
Mon Feb 1 03:36:02 UTC 2021


SoC will transmit the EoTp (End of Transmission packet) when
MIPI_DSI_MODE_EOT_PACKET flag is set.

Signed-off-by: Jitao Shi <jitao.shi at mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 65fd99c528af..2bc46f2350f1 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -401,8 +401,11 @@ static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)
 		break;
 	}
 
-	tmp_reg |= (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) << 6;
-	tmp_reg |= (dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET) >> 3;
+	if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)
+		tmp_reg |= HSTX_CKLP_EN;
+
+	if (!(dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET))
+		tmp_reg |= DIS_EOT;
 
 	writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL);
 }
-- 
2.12.5


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