From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Konrad Dybcio <konrad.dybcio@linaro.org>,
Rob Clark <robdclark@gmail.com>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
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: Marijn Suijten <marijn.suijten@somainline.org>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: display/msm: Add reg bus interconnect
Date: Tue, 18 Apr 2023 09:24:36 +0200 [thread overview]
Message-ID: <cec395c8-83b0-8626-7229-dd8427db48fc@linaro.org> (raw)
In-Reply-To: <20230417-topic-dpu_regbus-v1-1-06fbdc1643c0@linaro.org>
On 17/04/2023 17:30, 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
You added only interconnect-name, not actual interconnect.
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-04-18 7:24 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 [this message]
2023-04-19 20:05 ` [Freedreno] " Jeykumar Sankaran
2023-04-20 0:26 ` Dmitry Baryshkov
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
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