This is a note to let you know that I've just added the patch titled
arm64: dts: qcom: sc8180x: Add missing CPU<->MDP_CFG path
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm64-dts-qcom-sc8180x-add-missing-cpu-mdp_cfg-path.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 43da8889836b3c5990b65e95a34828790e1aa754
Author: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Date: Sat Dec 30 01:05:09 2023 +0100
arm64: dts: qcom: sc8180x: Add missing CPU<->MDP_CFG path
[ Upstream commit f0cd5a0ebd419bd151ed79baf5f044da797521ac ]
To guarantee the required resources are enabled, describe the
interconnect path between the MDSS and the CPU.
Fixes: 494dec9b6f54 ("arm64: dts: qcom: sc8180x: Add display and gpu nodes")
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231230-topic-8180_more_fixes-v1-8-93b5c107ed43@xxxxxxxxxx
Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/arm64/boot/dts/qcom/sc8180x.dtsi b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
index 97c139d0399d4..960058624a2f5 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
@@ -2701,9 +2701,15 @@ mdss: mdss@ae00000 {
interrupt-controller;
#interrupt-cells = <1>;
- interconnects = <&mmss_noc MASTER_MDP_PORT0 0 &mc_virt SLAVE_EBI_CH0 0>,
- <&mmss_noc MASTER_MDP_PORT1 0 &mc_virt SLAVE_EBI_CH0 0>;
- interconnect-names = "mdp0-mem", "mdp1-mem";
+ interconnects = <&mmss_noc MASTER_MDP_PORT0 QCOM_ICC_TAG_ALWAYS
+ &mc_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ALWAYS>,
+ <&mmss_noc MASTER_MDP_PORT1 QCOM_ICC_TAG_ALWAYS
+ &mc_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ALWAYS>,
+ <&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ALWAYS
+ &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ALWAYS>;
+ interconnect-names = "mdp0-mem",
+ "mdp1-mem",
+ "cpu-cfg";
iommus = <&apps_smmu 0x800 0x420>;
