On 23.05.2023 14:28, Bjorn Andersson wrote:
> On Tue, May 23, 2023 at 10:04:40AM +0200, Konrad Dybcio wrote:
>>
>>
>> On 23.05.2023 03:15, Bjorn Andersson wrote:
>>> From: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
>>>
>>> Add memory reservation for the zap-shader and enable the Adreno SMMU,
>>> GPU clock controller, GMU and the GPU nodes for the SC8280XP CRD and the
>>> Lenovo ThinkPad X13s.
>>>
>>> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
>>> Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
>>> ---
>>>
>>> Changes since v1:
>>> - None
>>>
>>> arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 26 +++++++++++++++++++
>>> .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 26 +++++++++++++++++++
>>> 2 files changed, 52 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
>>> index 5b25d54b9591..547277924ea3 100644
>>> --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
>>> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
>>> @@ -210,6 +210,11 @@ vreg_wwan: regulator-wwan {
>>> };
>>>
>>> reserved-memory {
>>> + gpu_mem: gpu-mem@8bf00000 {
>> The ZAP region is very seldom moved around, and I wouldn't expect it
>> to be uncommon among the very usecase-specific 8280 machines.
>>
>>> + reg = <0 0x8bf00000 0 0x2000>;
>>> + no-map;
>>> + };
>>> +
>>> linux,cma {
>>> compatible = "shared-dma-pool";
>>> size = <0x0 0x8000000>;
>>> @@ -259,6 +264,10 @@ usb1_sbu_mux: endpoint {
>>> };
>>> };
>>>
>>> +&adreno_smmu {
>>> + status = "okay";
>>> +};
>> Ugh. Should definitely be enabled by default.
>>
>>> +
>>> &apps_rsc {
>>> regulators-0 {
>>> compatible = "qcom,pm8350-rpmh-regulators";
>>> @@ -376,6 +385,23 @@ &dispcc0 {
>>> status = "okay";
>>> };
>>>
>>> +&gmu {
>>> + status = "okay";
>>> +};
>> You can keep the GMU enabled by default as well, it won't "probe" on
>> its own (the GPU's hw_init calls its registration)
>>
>>> +
>>> +&gpu {
>>> + status = "okay";
>>> +
>>> + zap-shader {
>>> + memory-region = <&gpu_mem>;
>>> + firmware-name = "qcom/sc8280xp/qcdxkmsuc8280.mbn";
>>> + };
>>> +};
>>> +
>>> +&gpucc {
>>> + status = "okay";
>>> +};
>> Clock controllers have no reason to be off by default.
>>
>
> On sa8295p/sa8540p the GPU is powered differently, so if I leave it
> enabled by default I need to disable it (or configure it) for those, or
> they won't boot.
Another "messed up automotive forks" situation, eh..
Would it take a lot of new code to configure these platforms correctly?
Konrad
>
> Regards,
> Bjorn
>
>> Konrad
>>> +
>>> &mdss0 {
>>> status = "okay";
>>> };
>>> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>>> index bdcba719fc38..5ef3f4c07d75 100644
>>> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>>> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>>> @@ -264,6 +264,11 @@ vreg_wwan: regulator-wwan {
>>> };
>>>
>>> reserved-memory {
>>> + gpu_mem: gpu-mem@8bf00000 {
>>> + reg = <0 0x8bf00000 0 0x2000>;
>>> + no-map;
>>> + };
>>> +
>>> linux,cma {
>>> compatible = "shared-dma-pool";
>>> size = <0x0 0x8000000>;
>>> @@ -359,6 +364,10 @@ usb1_sbu_mux: endpoint {
>>> };
>>> };
>>>
>>> +&adreno_smmu {
>>> + status = "okay";
>>> +};
>>> +
>>> &apps_rsc {
>>> regulators-0 {
>>> compatible = "qcom,pm8350-rpmh-regulators";
>>> @@ -518,6 +527,23 @@ &dispcc0 {
>>> status = "okay";
>>> };
>>>
>>> +&gmu {
>>> + status = "okay";
>>> +};
>>> +
>>> +&gpu {
>>> + status = "okay";
>>> +
>>> + zap-shader {
>>> + memory-region = <&gpu_mem>;
>>> + firmware-name = "qcom/sc8280xp/LENOVO/21BX/qcdxkmsuc8280.mbn";
>>> + };
>>> +};
>>> +
>>> +&gpucc {
>>> + status = "okay";
>>> +};
>>> +
>>> &mdss0 {
>>> status = "okay";
>>> };
