On Tue, Jul 16, 2024 at 02:00:15PM +0800, Qingqing Zhou wrote: > > > 在 7/16/2024 2:14 AM, Andrew Halaney 写道: > > On Mon, Jul 15, 2024 at 12:46:49PM GMT, Qingqing Zhou wrote: > >> The SMMUs on sa8775p are cache-coherent. GPU SMMU is marked as such, > >> mark the APPS and PCIE ones as well. > >> > >> Signed-off-by: Qingqing Zhou <quic_qqzhou@xxxxxxxxxxx> > > > > I think this deserves a Fixes tag as well, not treating it as > > dma-coherent is a bug and can lead to difficult to debug errors based on > > a quick search through lkml. > > > > Thanks, > > Andrew > > > > Andrew, thanks for your review comments, do you mean to add below two lines? > Fixes: 603f96d4c9d0 ("arm64: dts: qcom: add initial support for qcom sa8775p-ride") > Fixes: 2dba7a613a6e ("arm64: dts: qcom: sa8775p: add the pcie smmu node") > Yes, looks to be it. With the tags added, Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> And CC stable if the offending commits went into any stable kernels. - Mani -- மணிவண்ணன் சதாசிவம்