On 27.01.2024 18:32, Luca Weiss wrote:
> On Freitag, 26. Jänner 2024 00:50:43 CET Konrad Dybcio wrote:
>> On 1/25/24 22:56, Luca Weiss wrote:
>>> From: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>
>>>
>>> Add the GPU node for the Adreno 506 found on this family of SoCs. The
>>> clock speeds are a bit different per SoC variant, SDM450 maxes out at
>>> 600MHz while MSM8953 (= SDM625) goes up to 650MHz and SDM632 goes up to
>>> 725MHz.
>>>
>>> To achieve this, create a new sdm450.dtsi to hold the 600MHz OPP and
>>> use the new dtsi for sdm450-motorola-ali.
>>>
>>> Signed-off-by: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>
>>> Co-developed-by: Luca Weiss <luca@xxxxxxxxx>
>>> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
>>> ---
>>>
>>> arch/arm64/boot/dts/qcom/msm8953.dtsi | 115
>>> +++++++++++++++++++++++
>>> arch/arm64/boot/dts/qcom/sdm450-motorola-ali.dts | 2 +-
>>> arch/arm64/boot/dts/qcom/sdm450.dtsi | 14 +++
>>> arch/arm64/boot/dts/qcom/sdm632.dtsi | 8 ++
>>> 4 files changed, 138 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi
>>> b/arch/arm64/boot/dts/qcom/msm8953.dtsi index 91d083871ab0..1fe0c0c4fd15
>>> 100644
>>> --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
>>> @@ -1046,6 +1046,94 @@ mdss_dsi1_phy: phy@1a96400 {
>>>
>>> };
>>>
>>> };
>>>
>>> + gpu: gpu@1c00000 {
>>> + compatible = "qcom,adreno-506.0", "qcom,adreno";
>>> + reg = <0x01c00000 0x40000>;
>>> + reg-names = "kgsl_3d0_reg_memory";
>>> + interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
>>> +
>>> + clocks = <&gcc GCC_OXILI_GFX3D_CLK>,
>>> + <&gcc GCC_OXILI_AHB_CLK>,
>>> + <&gcc GCC_BIMC_GFX_CLK>,
>>> + <&gcc GCC_BIMC_GPU_CLK>,
>>> + <&gcc GCC_OXILI_TIMER_CLK>,
>>> + <&gcc GCC_OXILI_AON_CLK>;
>>> + clock-names = "core",
>>> + "iface",
>>> + "mem_iface",
>>> + "alt_mem_iface",
>>> + "rbbmtimer",
>>> + "alwayson";
>>> + power-domains = <&gcc OXILI_GX_GDSC>;
>>> +
>>> + iommus = <&gpu_iommu 0>;
>>> + operating-points-v2 = <&gpu_opp_table>;
>>> +
>>> + #cooling-cells = <2>;
>>> +
>>> + status = "disabled";
>>> +
>>> + zap-shader {
>>> + memory-region = <&zap_shader_region>;
>>> + };
>>> +
>>> + gpu_opp_table: opp-table {
>>> + compatible = "operating-points-v2";
>>> +
>>> + opp-19200000 {
>>> + opp-hz = /bits/ 64 <19200000>;
>>> + opp-supported-hw = <0xff>;
>>> + required-opps = <&rpmpd_opp_min_svs>;
>>> + };
>>
>> If you remove all OPPs but this one, can the GPU still spit out pixels?
>
> Yep, phosh is starting and is rendering at a few fps.
>
> fairphone-fp3:~$ cat /sys/devices/platform/soc@0/1c00000.gpu/devfreq/1c00000.gpu/min_freq
> 19200000
> fairphone-fp3:~$ cat /sys/devices/platform/soc@0/1c00000.gpu/devfreq/1c00000.gpu/max_freq
> 19200000
> fairphone-fp3:~$ cat /sys/devices/platform/soc@0/1c00000.gpu/devfreq/1c00000.gpu/cur_freq
> 19200000
Interesting..
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Konrad
