From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Rob Herring <robh@kernel.org>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: devicetree@vger.kernel.org,
Loic Poulain <loic.poulain@linaro.org>,
David Airlie <airlied@linux.ie>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@somainline.org>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
dri-devel <dri-devel@lists.freedesktop.org>,
Stephen Boyd <swboyd@chromium.org>,
Andy Gross <agross@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
freedreno <freedreno@lists.freedesktop.org>,
Sean Paul <sean@poorly.run>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>
Subject: Re: [PATCH v6 01/12] dt-bindings: display/msm: split qcom,mdss bindings
Date: Sat, 10 Sep 2022 10:45:26 +0200 [thread overview]
Message-ID: <2204eab4-b22d-8ee7-4595-49139cb387a8@linaro.org> (raw)
In-Reply-To: <CAL_JsqLkV_fnUnc4cS=cdTvP3rKYAS011_+KZYiBGhXDx-pHnA@mail.gmail.com>
On 10/09/2022 00:23, Rob Herring wrote:
>>>>
>>>> This should be ref to dsi-controller-main.yaml... or based on previous
>>>> Rob's feedback you dropped it everywhere in children?
>>>
>>> I don't think I said. I thought about it some, as yes, we normally have
>>> done as you suggested. The downside is with a ref we'll do the whole
>>> validation of the child node twice (unless the referenced schema has a
>>> 'select: false') whereas here only 'compatible' is validated twice. This
>>> way also complicates checking for unevaluatedProperties/additionalProperties.
>>>
>>> So maybe better to keep with the 'normal' way and make this a ref.
>>
>> Well.. I tried using $ref in the previous iteration, but then I faced
>> the fact that I can not use it. Using the $ref the node gets validated
>> even if it is disabled, and we do not want to do this. The nodes are
>> usually split in way that regulators are specified in the board DT file.
>> Thus disabled dsi/dsi-phy nodes do not get all the required regulators.
>> And dt-validate happily dumps tons of warnings for disabled nodes. Thus
>> I ended up with the compatible rather than $ref.
>
> Only warnings about required properties? Those are supposed to get
> filtered out if the node is disabled. Maybe being in a $ref doesn't
> work.
This seems to break regardless it is in $ref or when you directly
reference the schema.
I tested display/msm/dpu-sc7180.yaml on modified DTB when a required
property is missing (I removed reg-names) and:
1. When node is enabled:
c7180-idp.dtb: display-controller@ae01000: 'reg-names' is a required
property
Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml
rch/arm64/boot/dts/qcom/sc7180-idp.dtb: display-controller@ae01000:
Unevaluated properties are not allowed ('interrupt-parent',
'interrupts', 'operating-points-v2', 'opp-table', 'ports',
'power-domains' were unexpected)
2. When node is disabled the first error disappears (so no clue which
one is missing) but schema does not pass:
qcom/sc7180-idp.dtb: display-controller@ae01000: Unevaluated properties
are not allowed ('interrupt-parent', 'interrupts',
'operating-points-v2', 'opp-table', 'ports', 'power-domains' were
unexpected)
From schema: Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml
However I think there is no such problem, as Dmitry said, that ref
changes anything. There will be always failure - either from parent
schema (using $ref) or from device child schema (the one which actually
misses the property).
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-09-10 8:45 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 10:23 [PATCH v6 00/12] dt-bindings: display/msm: rework MDSS and DPU bindings Dmitry Baryshkov
2022-09-01 10:23 ` [PATCH v6 01/12] dt-bindings: display/msm: split qcom,mdss bindings Dmitry Baryshkov
2022-09-07 19:49 ` Rob Herring
2022-09-08 13:37 ` Krzysztof Kozlowski
2022-09-08 19:37 ` Rob Herring
2022-09-08 20:20 ` Dmitry Baryshkov
2022-09-09 22:23 ` [PATCH v6 01/12] dt-bindings: display/msm: split qcom, mdss bindings Rob Herring
2022-09-10 8:45 ` Krzysztof Kozlowski [this message]
2022-09-10 12:54 ` Dmitry Baryshkov
2022-09-11 11:27 ` [PATCH v6 01/12] dt-bindings: display/msm: split qcom,mdss bindings Krzysztof Kozlowski
2022-09-11 13:45 ` [PATCH v6 01/12] dt-bindings: display/msm: split qcom, mdss bindings Dmitry Baryshkov
2022-09-11 13:57 ` [PATCH v6 01/12] dt-bindings: display/msm: split qcom,mdss bindings Krzysztof Kozlowski
2022-09-11 17:45 ` [PATCH v6 01/12] dt-bindings: display/msm: split qcom, mdss bindings Dmitry Baryshkov
2022-09-11 18:32 ` [PATCH v6 01/12] dt-bindings: display/msm: split qcom,mdss bindings Krzysztof Kozlowski
2022-09-11 18:36 ` Krzysztof Kozlowski
2022-09-11 18:55 ` Krzysztof Kozlowski
2022-09-11 19:19 ` Krzysztof Kozlowski
2022-09-15 11:50 ` Dmitry Baryshkov
2022-09-15 14:33 ` Krzysztof Kozlowski
2022-09-01 10:23 ` [PATCH v6 02/12] dt-bindings: display/msm: add gcc-bus clock to dpu-smd845 Dmitry Baryshkov
2022-09-01 10:23 ` [PATCH v6 03/12] dt-bindings: display/msm: add interconnects property to qcom, mdss-smd845 Dmitry Baryshkov
2022-09-07 19:51 ` [PATCH v6 03/12] dt-bindings: display/msm: add interconnects property to qcom,mdss-smd845 Rob Herring
2022-09-01 10:23 ` [PATCH v6 04/12] dt-bindings: display/msm: move common DPU properties to dpu-common.yaml Dmitry Baryshkov
2022-09-07 19:59 ` Rob Herring
2022-09-07 21:13 ` Dmitry Baryshkov
2022-09-15 12:44 ` Dmitry Baryshkov
2022-09-07 20:00 ` Rob Herring
2022-09-01 10:23 ` [PATCH v6 05/12] dt-bindings: display/msm: move common MDSS properties to mdss-common.yaml Dmitry Baryshkov
2022-09-07 20:03 ` Rob Herring
2022-09-01 10:23 ` [PATCH v6 06/12] dt-bindings: display/msm: split dpu-sc7180 into DPU and MDSS parts Dmitry Baryshkov
2022-09-07 20:16 ` Rob Herring
2022-09-08 13:44 ` Krzysztof Kozlowski
2022-09-08 13:45 ` Krzysztof Kozlowski
2022-09-01 10:23 ` [PATCH v6 07/12] dt-bindings: display/msm: split dpu-sc7280 " Dmitry Baryshkov
2022-09-01 10:23 ` [PATCH v6 08/12] dt-bindings: display/msm: split dpu-sdm845 " Dmitry Baryshkov
2022-09-01 10:23 ` [PATCH v6 09/12] dt-bindings: display/msm: split dpu-msm8998 " Dmitry Baryshkov
2022-09-01 10:23 ` [PATCH v6 10/12] dt-bindings: display/msm: split dpu-qcm2290 " Dmitry Baryshkov
2022-09-01 10:23 ` [PATCH v6 11/12] dt-bindings: display/msm: add missing device nodes to mdss-* schemas Dmitry Baryshkov
2022-09-07 20:19 ` Rob Herring
2022-09-01 10:23 ` [PATCH v6 12/12] dt-bindings: display/msm: add support for the display on SM8250 Dmitry Baryshkov
2022-09-07 20:21 ` Rob Herring
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