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SubjectRe: [PATCH] arm64: dts: qcom: sdm850-yoga: Enable IPA
Hi Bjorn,

On Wed, 16 Jun 2021 at 04:58, Bjorn Andersson
<bjorn.andersson@linaro.org> wrote:
>
> Shuffle memory regions to make firmware loading succeed and then enable
> the ipa device.

Just a heads-up, this reserved memory region shuffling in sdm845.dtsi
broke PocoF1 and may be other devices too(?) which do not override
these regions.

IIRC you once had a patch to move the reserved memory regions to board
specific dts files, is it still on the cards so that we don't run into
breakages like this?

Meanwhile I'll go and add these regions in sdm845-xiaomi-beryllium.dts.

Regards,
Amit Pundir



>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 21 +++++++------------
> .../boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 5 +++++
> 2 files changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 1796ae8372be..49624eadce84 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -128,28 +128,23 @@ camera_mem: memory@8bf00000 {
> no-map;
> };
>
> - ipa_fw_mem: memory@8c400000 {
> - reg = <0 0x8c400000 0 0x10000>;
> + wlan_msa_mem: memory@8c400000 {
> + reg = <0 0x8c400000 0 0x100000>;
> no-map;
> };
>
> - ipa_gsi_mem: memory@8c410000 {
> - reg = <0 0x8c410000 0 0x5000>;
> + gpu_mem: memory@8c515000 {
> + reg = <0 0x8c515000 0 0x2000>;
> no-map;
> };
>
> - gpu_mem: memory@8c415000 {
> - reg = <0 0x8c415000 0 0x2000>;
> + ipa_fw_mem: memory@8c517000 {
> + reg = <0 0x8c517000 0 0x5a000>;
> no-map;
> };
>
> - adsp_mem: memory@8c500000 {
> - reg = <0 0x8c500000 0 0x1a00000>;
> - no-map;
> - };
> -
> - wlan_msa_mem: memory@8df00000 {
> - reg = <0 0x8df00000 0 0x100000>;
> + adsp_mem: memory@8c600000 {
> + reg = <0 0x8c600000 0 0x1a00000>;
> no-map;
> };
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> index c2a709a384e9..3eaa42dc3794 100644
> --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> @@ -415,6 +415,11 @@ ecsh: hid@5c {
> };
> };
>
> +&ipa {
> + status = "okay";
> + memory-region = <&ipa_fw_mem>;
> +};
> +
> &mdss {
> status = "okay";
> };
> --
> 2.31.0
>

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