From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Jeykumar Sankaran <quic_jeykumar@quicinc.com>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Rob Clark <robdclark@gmail.com>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
Daniel Vetter <daniel@ffwll.ch>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Krishna Manikandan <quic_mkrishn@quicinc.com>
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Marijn Suijten <marijn.suijten@somainline.org>,
freedreno@lists.freedesktop.org
Subject: Re: [Freedreno] [PATCH 1/5] dt-bindings: display/msm: Add reg bus interconnect
Date: Thu, 20 Apr 2023 03:26:04 +0300 [thread overview]
Message-ID: <62f99cee-ecc2-2969-22da-d8f43b8b7064@linaro.org> (raw)
In-Reply-To: <c20433cb-02e4-bd82-99ab-bd25a49771d4@quicinc.com>
On 19/04/2023 23:05, Jeykumar Sankaran wrote:
> Resending the question as the previous one was sent only to the
> freedreno list. Apologies for spamming!
>
> On 4/17/2023 8:30 AM, Konrad Dybcio wrote:
>> Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's
>> another path that needs to be handled to ensure MDSS functions properly,
>> namely the "reg bus", a.k.a the CPU-MDSS interconnect.
>>
>> Gating that path may have a variety of effects.. from none to otherwise
>> inexplicable DSI timeouts..
>>
>> Describe it in bindings to allow for use in device trees.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
>> ---
>> Documentation/devicetree/bindings/display/msm/mdss-common.yaml | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git
>> a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
>> b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
>> index ccd7d6417523..9eb5b6d3e0b9 100644
>> --- a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
>> @@ -72,6 +72,7 @@ properties:
>> items:
>> - const: mdp0-mem
>> - const: mdp1-mem
>> + - const: cpu-cfg
> If posted already, please point to the DTSI patch for this ICC path.
Probably it's worth updating the example in one of mdss schemas.
>> resets:
>> items:
>>
--
With best wishes
Dmitry
next prev parent reply other threads:[~2023-04-20 0:26 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-17 15:30 [PATCH 0/5] MDSS reg bus interconnect Konrad Dybcio
2023-04-17 15:30 ` [PATCH 1/5] dt-bindings: display/msm: Add " Konrad Dybcio
2023-04-18 7:24 ` Krzysztof Kozlowski
2023-04-19 20:05 ` [Freedreno] " Jeykumar Sankaran
2023-04-20 0:26 ` Dmitry Baryshkov [this message]
2023-04-17 15:30 ` [PATCH 2/5] drm/msm/dpu1: Rename path references to mdp_path Konrad Dybcio
2023-04-20 0:27 ` Dmitry Baryshkov
2023-04-17 15:30 ` [PATCH 3/5] drm/msm/mdss: " Konrad Dybcio
2023-04-20 0:27 ` Dmitry Baryshkov
2023-04-17 15:30 ` [PATCH 4/5] drm/msm/mdss: Handle the reg bus ICC path Konrad Dybcio
2023-04-17 15:30 ` [PATCH 5/5] drm/msm/dpu1: " Konrad Dybcio
2023-04-17 15:55 ` Konrad Dybcio
2023-04-19 19:06 ` [Freedreno] " Jeykumar Sankaran
2023-04-19 19:48 ` Konrad Dybcio
2023-04-19 20:11 ` Jeykumar Sankaran
2023-04-19 21:26 ` Konrad Dybcio
2023-04-20 0:34 ` Dmitry Baryshkov
2023-04-19 20:07 ` [Freedreno] [PATCH 0/5] MDSS reg bus interconnect Jeykumar Sankaran
2023-05-29 2:42 ` Dmitry Baryshkov
2023-05-29 7:42 ` Konrad Dybcio
2023-05-29 8:47 ` Dmitry Baryshkov
2023-05-29 9:08 ` Konrad Dybcio
2023-05-29 10:01 ` Dmitry Baryshkov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=62f99cee-ecc2-2969-22da-d8f43b8b7064@linaro.org \
--to=dmitry.baryshkov@linaro.org \
--cc=airlied@gmail.com \
--cc=daniel@ffwll.ch \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=freedreno@lists.freedesktop.org \
--cc=konrad.dybcio@linaro.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=marijn.suijten@somainline.org \
--cc=quic_abhinavk@quicinc.com \
--cc=quic_jeykumar@quicinc.com \
--cc=quic_mkrishn@quicinc.com \
--cc=robdclark@gmail.com \
--cc=robh+dt@kernel.org \
--cc=sean@poorly.run \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).