[PATCH 2/4] drm/tegra: dsi - Handle continuous clock flag

Alexandre Courbot acourbot at nvidia.com
Wed Jul 2 05:19:18 PDT 2014


Handle the MIPI_DSI_MODE_CLOCK_CONTINUOUS flag and only set TX-only
clock behavior when this flag is not present for the DSI device.

Signed-off-by: Alexandre Courbot <acourbot at nvidia.com>
---
 drivers/gpu/drm/tegra/dsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index bd56f2a..79777f8 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -474,7 +474,8 @@ static int tegra_output_dsi_enable(struct tegra_output *output)
 	tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);
 
 	value = tegra_dsi_readl(dsi, DSI_CONTROL);
-	value |= DSI_CONTROL_HS_CLK_CTRL;
+	if (!(dsi->flags & MIPI_DSI_MODE_CLOCK_CONTINUOUS))
+		value |= DSI_CONTROL_HS_CLK_CTRL;
 	value &= ~DSI_CONTROL_TX_TRIG(3);
 	value &= ~DSI_CONTROL_DCS_ENABLE;
 	value |= DSI_CONTROL_VIDEO_ENABLE;
-- 
2.0.0



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