UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

accel/ivpu: Disable d3hot_delay on all NPU generations 

[ 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>
This commit is contained in:
Jacek Lawrynowicz 2024-01-26 13:28:00 +01:00 committed by Greg Kroah-Hartman
parent e11aa13216
commit 9895188644
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/accel/ivpu/ivpu_drv.c
View File

@ -467,8 +467,7 @@ 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)
/* NPU does not require 10m D3hot delay */
pdev->d3hot_delay = 0;
ret = pcim_enable_device(pdev);