Re: [PATCH v2 05/11] clk: qcom: gcc-msm8998: Mark gpu_cfg_ahb_clk as critical
From: Jeffrey Hugo <hidden>
Date: 2021-01-14 22:38:32
Also in:
linux-arm-msm, linux-clk, lkml, phone-devel
On Thu, Jan 14, 2021 at 3:13 PM AngeloGioacchino Del Regno [off-list ref] wrote:
The GPU IOMMU depends on this clock and the hypervisor will crash the SoC if this clock gets disabled because the secure contexts that have been set on this IOMMU by the bootloader will become unaccessible (or they get reset). Mark this clock as critical to avoid this issue when the Adreno GPU is enabled.
You should go review the last attempt to do this - https://lkml.org/lkml/2019/12/17/881