Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1646458

[PATCH] gpu: ipu-v3: vdic: include AUTO field order bit in ipu_vdi_set_field_order

From Steve Longerbeam <slongerbeam@gmail.com>
Newsgroups linux.kernel
Subject [PATCH] gpu: ipu-v3: vdic: include AUTO field order bit in ipu_vdi_set_field_order
Date 2017-05-22 00:10 +0200
Message-ID <tJHd0-59Y-9@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View raw


The field order selection in VDIC_C register uses different bits
depending on whether the VDIC is receiving from a CSI ("AUTO") or
from memory ("MAN"). Since the VDIC cannot receive from both CSI
and memory at the same time, set or clear both field order bits to
cover both cases.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
---
 drivers/gpu/ipu-v3/ipu-vdi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-vdi.c b/drivers/gpu/ipu-v3/ipu-vdi.c
index f27bf5a..a663893 100644
--- a/drivers/gpu/ipu-v3/ipu-vdi.c
+++ b/drivers/gpu/ipu-v3/ipu-vdi.c
@@ -88,9 +88,9 @@ void ipu_vdi_set_field_order(struct ipu_vdi *vdi, v4l2_std_id std, u32 field)
 
 	reg = ipu_vdi_read(vdi, VDI_C);
 	if (top_field_0)
-		reg &= ~VDI_C_TOP_FIELD_MAN_1;
+		reg &= ~(VDI_C_TOP_FIELD_MAN_1 | VDI_C_TOP_FIELD_AUTO_1);
 	else
-		reg |= VDI_C_TOP_FIELD_MAN_1;
+		reg |= VDI_C_TOP_FIELD_MAN_1 | VDI_C_TOP_FIELD_AUTO_1;
 	ipu_vdi_write(vdi, reg, VDI_C);
 
 	spin_unlock_irqrestore(&vdi->lock, flags);
-- 
2.7.4

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH] gpu: ipu-v3: vdic: include AUTO field order bit in ipu_vdi_set_field_order Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-22 00:10 +0200

csiph-web