This patch sets the values of VSYNC and VBLANK in
Xilinx VTC.
The patch was tested using a modified version of this
driver and using an HDMI compliance equipment. There
is still missing the polarity settings for H/V which
would require a change in the interface of this driver.
Signed-off-by: Jose Abreu <joab...@synopsys.com>
Cc: Carlos Palminha <palmi...@synopsys.com>
Cc: Hyun Kwon <hyun.k...@xilinx.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Mauro Carvalho Chehab <mche...@osg.samsung.com>
Cc: linux-media@vger.kernel.org
---
drivers/media/platform/xilinx/xilinx-vtc.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/xilinx/xilinx-vtc.c
b/drivers/media/platform/xilinx/xilinx-vtc.c
index 01c750e..49e82f2 100644
--- a/drivers/media/platform/xilinx/xilinx-vtc.c
+++ b/drivers/media/platform/xilinx/xilinx-vtc.c
@@ -211,11 +211,15 @@ int xvtc_generator_start(struct xvtc_device *xvtc,
xvtc_gen_write(xvtc, XVTC_HSYNC,
(config->hsync_end << XVTC_HSYNC_END_SHIFT) |
(config->hsync_start << XVTC_HSYNC_START_SHIFT));
- xvtc_gen_write(xvtc, XVTC_F0_VBLANK_H, 0);
+ xvtc_gen_write(xvtc, XVTC_F0_VBLANK_H,
+ (config->hsync_start << XVTC_F0_VBLANK_HEND_SHIFT) |
+ (config->hsync_start << XVTC_F0_VBLANK_HSTART_SHIFT));
xvtc_gen_write(xvtc, XVTC_F0_VSYNC_V,
(config->vsync_end << XVTC_F0_VSYNC_VEND_SHIFT) |
(config->vsync_start << XVTC_F0_VSYNC_VSTART_SHIFT));
- xvtc_gen_write(xvtc, XVTC_F0_VSYNC_H, 0);
+ xvtc_gen_write(xvtc, XVTC_F0_VSYNC_H,
+ (config->hsync_start << XVTC_F0_VSYNC_HEND_SHIFT) |
+ (config->hsync_start << XVTC_F0_VSYNC_HSTART_SHIFT));
/* Enable the generator. Set the source of all generator parameters to
* generator registers.
--
2.1.4
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