On Fri, Jun 13, 2025 at 06:32:38PM +0100, Alexey Klimov wrote: > Add the SM6115 MDSS compatible to clients compatible list, as it also > needs that workaround. > Without this workaround, for example, QRB4210 RB2 which is based on > SM4250/SM6115 generates a lot of smmu unhandled context faults during > boot: > > arm_smmu_context_fault: 116854 callbacks suppressed > arm-smmu c600000.iommu: Unhandled context fault: fsr=0x402, > iova=0x5c0ec600, fsynr=0x320021, cbfrsynra=0x420, cb=5 > arm-smmu c600000.iommu: FSR = 00000402 [Format=2 TF], SID=0x420 > arm-smmu c600000.iommu: FSYNR0 = 00320021 [S1CBNDX=50 PNU PLVL=1] > arm-smmu c600000.iommu: Unhandled context fault: fsr=0x402, > iova=0x5c0d7800, fsynr=0x320021, cbfrsynra=0x420, cb=5 > arm-smmu c600000.iommu: FSR = 00000402 [Format=2 TF], SID=0x420 > > and also failed initialisation of lontium lt9611uxc, gpu and dpu is > observed: > (binding MDSS components triggered by lt9611uxc have failed) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx> -- With best wishes Dmitry
