There was a hardware bug which need IPU6 driver to disable the ATS.
This workaround is not needed anymore as the bug was fixed in
hardware level.
Signed-off-by: Hao Yao <hao.yao@xxxxxxxxx>
---
drivers/media/pci/intel/ipu6/ipu6.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/media/pci/intel/ipu6/ipu6.c b/drivers/media/pci/intel/ipu6/ipu6.c
index 277af7cda8ee..b00d0705fefa 100644
--- a/drivers/media/pci/intel/ipu6/ipu6.c
+++ b/drivers/media/pci/intel/ipu6/ipu6.c
@@ -464,11 +464,6 @@ static int ipu6_pci_config_setup(struct pci_dev *dev, u8 hw_ver)
{
int ret;
- /* disable IPU6 PCI ATS on mtl ES2 */
- if (is_ipu6ep_mtl(hw_ver) && boot_cpu_data.x86_stepping == 0x2 &&
- pci_ats_supported(dev))
- pci_disable_ats(dev);
-
/* No PCI msi capability for IPU6EP */
if (is_ipu6ep(hw_ver) || is_ipu6ep_mtl(hw_ver)) {
/* likely do nothing as msi not enabled by default */
--
2.43.0
