arm64: dts: qcom: sdm845: Limit ipa iommu streams
authorBjorn Andersson <bjorn.andersson@linaro.org>
Mon, 23 Nov 2020 05:23:05 +0000 (23:23 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 Dec 2020 10:53:21 +0000 (11:53 +0100)
[ Upstream commit 95e6f8467c83c4074a6f6b47bad00653549ff90a ]

The Android and Windows firmware does not accept the use of 3 as a mask
to cover the IPA streams. But with 0x721 being related to WiFi and 0x723
being unsed the mapping can be reduced to just cover 0x720 and 0x722,
which is accepted.

Acked-by: Alex Elder <elder@linaro.org>
Tested-by: Alex Elder <elder@linaro.org>
Fixes: e9e89c45bfeb ("arm64: dts: sdm845: add IPA iommus property")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201123052305.157686-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm64/boot/dts/qcom/sdm845.dtsi

index 40e8c11..f97f354 100644 (file)
                ipa: ipa@1e40000 {
                        compatible = "qcom,sdm845-ipa";
 
-                       iommus = <&apps_smmu 0x720 0x3>;
+                       iommus = <&apps_smmu 0x720 0x0>,
+                                <&apps_smmu 0x722 0x0>;
                        reg = <0 0x1e40000 0 0x7000>,
                              <0 0x1e47000 0 0x2000>,
                              <0 0x1e04000 0 0x2c000>;