summaryrefslogtreecommitdiff
path: root/drivers/iommu/arm
diff options
context:
space:
mode:
authorBjorn Andersson <quic_bjorande@quicinc.com>2023-01-13 07:11:04 +0300
committerWill Deacon <will@kernel.org>2023-01-24 14:36:58 +0300
commit5fba66d42746c9b8063de7ce4565d0173da657a2 (patch)
tree552896a410eb8a88ab2f227ce7c4901bd295cee3 /drivers/iommu/arm
parentc2b83395e558ada255fead5b9c9c724d9d487cdb (diff)
downloadlinux-5fba66d42746c9b8063de7ce4565d0173da657a2.tar.xz
iommu/arm-smmu-qcom: Select identity domain for sc8280xp MDSS
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> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Link: https://lore.kernel.org/r/20230113041104.4189152-1-quic_bjorande@quicinc.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/arm')
-rw-r--r--drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index ed884c85e262..d7ad49aa997e 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,sm8150-mdss" },
{ .compatible = "qcom,sm8250-mdss" },
{ .compatible = "qcom,sdm845-mdss" },