[PATCH] video: dw_mipi_dsi: fix vsync active vs back porch
John Keeping
john at metanate.com
Fri Jul 22 17:13:53 CEST 2022
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 at 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
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