On Wed, Sep 03, 2025 at 03:36:34PM +0200, Konrad Dybcio wrote:
> On 9/3/25 2:39 PM, Dmitry Baryshkov wrote:
> > On Wed, Sep 03, 2025 at 02:26:30PM +0200, Konrad Dybcio wrote:
> >> On 8/21/25 8:55 PM, Akhil P Oommen wrote:
> >>> From: Puranam V G Tejaswi <quic_pvgtejas@xxxxxxxxxxx>
> >>>
> >>> Add gpu and gmu nodes for sa8775p chipset. As of now all
> >>> SKUs have the same GPU fmax, so there is no requirement of
> >>> speed bin support.
> >>>
> >>> Signed-off-by: Puranam V G Tejaswi <quic_pvgtejas@xxxxxxxxxxx>
> >>> Signed-off-by: Akhil P Oommen <akhilpo@xxxxxxxxxxxxxxxx>
> >>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> >>> ---
> >>> arch/arm64/boot/dts/qcom/lemans.dtsi | 116 +++++++++++++++++++++++++++++++++++
> >>> 1 file changed, 116 insertions(+)
> >>>
> >>> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> >>> index 8ceb59742a9fc6562b2c38731ddabe3a549f7f35..8eac8d4719db9230105ad93ac22287850b6b007c 100644
> >>> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> >>> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> >>> @@ -1097,6 +1097,18 @@ ipcc: mailbox@408000 {
> >>> #mbox-cells = <2>;
> >>> };
> >>>
> >>> + qfprom: efuse@784000 {
> >>> + compatible = "qcom,sa8775p-qfprom", "qcom,qfprom";
> >>> + reg = <0x0 0x00784000 0x0 0x2410>;
> >>
> >> len = 0x3000
> >>
> >> [...]
> >>
> >>> + gmu: gmu@3d6a000 {
> >>> + compatible = "qcom,adreno-gmu-663.0", "qcom,adreno-gmu";
> >>> + reg = <0x0 0x03d6a000 0x0 0x34000>,
> >>
> >> This bleeds into GPU_CC, len should be 0x26000
> >
> > gpucc is in the middle of GMU, see other platforms.
>
> This is not the case here
Why? I think GPU CC is a part of the GMU by design: GMU accesses GPU CC
registers directly from the firmware.
--
With best wishes
Dmitry
