Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Bjorn Andersson <> | Subject | [PATCH] iommu/arm-smmu-qcom: Select identity domain for sc8280xp MDSS | Date | Thu, 12 Jan 2023 20:11:04 -0800 |
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The Qualcomm display driver installs a translation domain once it has mapped a framebuffer. Use the identity domain for this device on SC8280XP as well, to avoid faults from EFI FB accessing the framebuffer while this is being set up.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> --- drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index 4c53824582d4..cebc10c0492d 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -250,6 +250,7 @@ static const struct of_device_id qcom_smmu_client_of_match[] __maybe_unused = { { .compatible = "qcom,sc7280-mdss" }, { .compatible = "qcom,sc7280-mss-pil" }, { .compatible = "qcom,sc8180x-mdss" }, + { .compatible = "qcom,sc8280xp-mdss" }, { .compatible = "qcom,sm8250-mdss" }, { .compatible = "qcom,sdm845-mdss" }, { .compatible = "qcom,sdm845-mss-pil" }, -- 2.37.3
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