On Thu, 5 Dec 2024 at 04:46, Yongxing Mou <quic_yong...@quicinc.com> wrote: > > > > On 2024/11/29 21:44, Dmitry Baryshkov wrote: > > On Fri, 29 Nov 2024 at 11:51, Yongxing Mou <quic_yong...@quicinc.com> wrote: > >> > >> > >> > >> On 2024/11/27 21:56, Dmitry Baryshkov wrote: > >>> On Wed, Nov 27, 2024 at 03:05:02PM +0800, Yongxing Mou wrote: > >>>> Document the DPU for Qualcomm QCS8300 platform. > >>>> > >>>> Signed-off-by: Yongxing Mou <quic_yong...@quicinc.com> > >>>> --- > >>>> Documentation/devicetree/bindings/display/msm/qcom,sm8650-dpu.yaml | > >>>> 1 + > >>>> 1 file changed, 1 insertion(+) > >>>> > >>>> diff --git > >>>> a/Documentation/devicetree/bindings/display/msm/qcom,sm8650-dpu.yaml > >>>> b/Documentation/devicetree/bindings/display/msm/qcom,sm8650-dpu.yaml > >>>> index > >>>> 01cf79bd754b491349c52c5aef49ba06e835d0bf..631181df2bcf2752679be4de0dee74e15e2c66c2 > >>>> 100644 > >>>> --- a/Documentation/devicetree/bindings/display/msm/qcom,sm8650-dpu.yaml > >>>> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8650-dpu.yaml > >>>> @@ -14,6 +14,7 @@ $ref: /schemas/display/msm/dpu-common.yaml# > >>>> properties: > >>>> compatible: > >>>> enum: > >>>> + - qcom,qcs8300-dpu > >>> > >>> The DPU is the same as the one on SA8775P. Drop it completely. > >> Thanks,got it.The DPU of qcs8300 and sa8775p are exactly the same, but > >> sa8775p has two DPUs, while qcs8300 has only one DPU and has removed > >> intf2, intf4, and intf8. That's their difference.Can qcs8300 reuse > >> sa8775p's dpu driver? if we can reuse it,will drop this patch. > > > > Are INTF_n blocks implemented in silicon or not? What happens if one > > reads one of INTF_2 or INTF_4 registers? > > If they are actually RAZ or cause data aborts, you can not reuse > > SA8775P catalog entry. Please add corresponding data structures to > > dpu_8_4_sa8775p.h. > Sorry for later reponse,i took some time to confirm the hardware > details.For QCS8300,DP1 CTRL/INTF_n is present in silicon.Only DP1 phy > is removed in silicon,it not available.so i think we can reuse the > sa8775p dpu.
Sounds good, thanks for the confirmation > > > >> > >>> > >>>> - qcom,sa8775p-dpu > >>>> - qcom,sm8650-dpu > >>>> - qcom,x1e80100-dpu > >>>> > >>>> -- > >>>> 2.34.1 > >>>> > >>> > >> > > > > > -- With best wishes Dmitry
