[PATCH v3 34/44] media: ipu6: The VC arbitration mechanism is ipu6 only

[Antti Laakso <antti.laakso@linux.intel.com>]

The ipu7 doesn't support the VC arbitration mechanism that exist in
ipu6.

Signed-off-by: Antti Laakso <antti.laakso@linux.intel.com>
---
 drivers/media/pci/intel/ipu6/ipu6.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/media/pci/intel/ipu6/ipu6.c b/drivers/media/pci/intel/ipu6/ipu6.c
index cb1145080460..7d1c3713a69b 100644
--- a/drivers/media/pci/intel/ipu6/ipu6.c
+++ b/drivers/media/pci/intel/ipu6/ipu6.c
@@ -447,7 +447,12 @@ static int ipu6_pci_config_setup(struct pci_dev *dev)
 
 static void ipu6_configure_vc_mechanism(struct ipu6_device *isp)
 {
-	u32 val = readl(isp->base + BUTTRESS_REG_BTRS_CTRL);
+	u32 val;
+
+	if (IS_IPU7(isp))
+		return;
+
+	val = readl(isp->base + BUTTRESS_REG_BTRS_CTRL);
 
 	if (IPU6_BTRS_ARB_STALL_MODE_VC0 == IPU6_BTRS_ARB_MODE_TYPE_STALL)
 		val |= BUTTRESS_REG_BTRS_CTRL_STALL_MODE_VC0;
-- 
2.55.0