[PATCH AUTOSEL 6.7 44/58] accel/ivpu: Disable d3hot_delay on all NPU generations

Sasha Levin
2024-02-13T00:19:51Z

From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>

[ Upstream commit a7f31091ddf457352e3dd7ac183fdbd26b4dcd04 ]

NPU does not require this delay regardless of the generation.
All generations are integrated into the SOC.

Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240126122804.2169129-4-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/accel/ivpu/ivpu_drv.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 790603017653..c856c417a145 100644
--- a/drivers/accel/ivpu/ivpu_drv.c
+++ b/drivers/accel/ivpu/ivpu_drv.c
@@ -479,9 +479,8 @@ static int ivpu_pci_init(struct ivpu_device *vdev)
/* Clear any pending errors */
pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f);

- /* VPU 37XX does not require 10m D3hot delay */
- if (ivpu_hw_gen(vdev) == IVPU_HW_37XX)
- pdev->d3hot_delay = 0;
+ /* NPU does not require 10m D3hot delay */
+ pdev->d3hot_delay = 0;

ret = pcim_enable_device(pdev);
if (ret) {
--
2.43.0