diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2020-11-09 21:47:28 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2020-11-10 21:06:11 +0300 |
| commit | 7e5258b0b79d8be916abd064b5f4aa2715580478 (patch) | |
| tree | 09b3340ce369c448ea328e24d8f22cec42f6e1d5 /arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | |
| parent | ab8e32da3a39e558d2fa2bc46a25eb2f0e885a16 (diff) | |
| download | linux-7e5258b0b79d8be916abd064b5f4aa2715580478.tar.xz | |
arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU
Set the qcom,adreno-smmu compatible string for the GPU SMMU to enable
split pagetables and per-instance pagetables for drm/msm.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201109184728.2463097-5-jcrouse@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi index 64fc1bfd66fa..39f23cdcbd02 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi @@ -633,6 +633,15 @@ ap_ts_i2c: &i2c14 { status = "okay"; }; +/* + * Cheza fw does not properly program the GPU aperture to allow the + * GPU to update the SMMU pagetables for context switches. Work + * around this by dropping the "qcom,adreno-smmu" compat string. + */ +&adreno_smmu { + compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2"; +}; + &mss_pil { iommus = <&apps_smmu 0x781 0x0>, <&apps_smmu 0x724 0x3>; |