[PATCH] video: dw_mipi_dsi: fix vsync active vs back porch

[PATCH] video: dw_mipi_dsi: fix vsync active vs back porch

[John Keeping]

The wrong fields are pulled out of the timings here so the values
programmed into the DSI_VID_VSA_LINES and DSI_VID_VBP_LINES registers
are swapped.

Use the right fields so that the correct values are programmed.

Fixes: d4f7ea83fc ("video: add MIPI DSI host controller bridge")
Signed-off-by: John Keeping <john@metanate.com>
---
 drivers/video/dw_mipi_dsi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/dw_mipi_dsi.c b/drivers/video/dw_mipi_dsi.c
index a5b38acabd..c68dd66fdc 100644
--- a/drivers/video/dw_mipi_dsi.c
+++ b/drivers/video/dw_mipi_dsi.c
@@ -644,9 +644,9 @@ static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi,
 	u32 vactive, vsa, vfp, vbp;
 
 	vactive = timings->vactive.typ;
-	vsa =  timings->vback_porch.typ;
+	vsa =  timings->vsync_len.typ;
 	vfp =  timings->vfront_porch.typ;
-	vbp = timings->vsync_len.typ;
+	vbp = timings->vback_porch.typ;
 
 	dsi_write(dsi, DSI_VID_VACTIVE_LINES, vactive);
 	dsi_write(dsi, DSI_VID_VSA_LINES, vsa);
-- 
2.37.1