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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	Marijn Suijten <marijn.suijten@somainline.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Stephen Boyd <swboyd@chromium.org>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org
Subject: [PATCH v2 0/8] MDSS reg bus interconnect
Date: Wed, 12 Jul 2023 15:11:37 +0300	[thread overview]
Message-ID: <20230712121145.1994830-1-dmitry.baryshkov@linaro.org> (raw)

Per agreement with Konrad, picked up this patch series.

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.

This series tries to address the lack of that.

Changes since v1:
- Dropped the DPU part, the MDSS vote seems to be enough
- Reworked MDSS voting patch. Replaced static bw value with the
  per-platform confgurable values.
- Added sm8450 DT patch.

Dmitry Baryshkov (6):
  drm/msm/mdss: correct UBWC programming for SM8550
  drm/msm/mdss: switch mdss to use devm_of_icc_get()
  drm/msm/mdss: inline msm_mdss_icc_request_bw()
  drm/msm/mdss: populate missing data
  drm/msm/mdss: Handle the reg bus ICC path
  arm64: dts: qcom: sm8450: provide MDSS cfg interconnect

Konrad Dybcio (2):
  dt-bindings: display/msm: Add reg bus and rotator interconnects
  drm/msm/mdss: Rename path references to mdp_path

 .../bindings/display/msm/mdss-common.yaml     |   2 +
 arch/arm64/boot/dts/qcom/sm8450.dtsi          |   9 +-
 drivers/gpu/drm/msm/msm_mdss.c                | 138 +++++++++++++-----
 3 files changed, 108 insertions(+), 41 deletions(-)

-- 
2.40.1


             reply	other threads:[~2023-07-12 12:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12 12:11 Dmitry Baryshkov [this message]
2023-07-12 12:11 ` [PATCH v2 1/8] dt-bindings: display/msm: Add reg bus and rotator interconnects Dmitry Baryshkov
2023-07-12 19:24   ` Krzysztof Kozlowski
2023-07-12 12:11 ` [PATCH v2 2/8] drm/msm/mdss: correct UBWC programming for SM8550 Dmitry Baryshkov
2023-07-12 22:02   ` Abhinav Kumar
2023-07-12 22:05     ` Dmitry Baryshkov
2023-07-12 12:11 ` [PATCH v2 3/8] drm/msm/mdss: switch mdss to use devm_of_icc_get() Dmitry Baryshkov
2023-07-12 12:11 ` [PATCH v2 4/8] drm/msm/mdss: Rename path references to mdp_path Dmitry Baryshkov
2023-07-12 12:11 ` [PATCH v2 5/8] drm/msm/mdss: inline msm_mdss_icc_request_bw() Dmitry Baryshkov
2023-07-12 12:11 ` [PATCH v2 6/8] drm/msm/mdss: populate missing data Dmitry Baryshkov
2023-07-12 12:11 ` [PATCH v2 7/8] drm/msm/mdss: Handle the reg bus ICC path Dmitry Baryshkov
2023-07-15 13:19   ` Konrad Dybcio
2023-07-12 12:11 ` [PATCH v2 8/8] arm64: dts: qcom: sm8450: provide MDSS cfg interconnect Dmitry Baryshkov
2023-07-13  8:41   ` Konrad Dybcio
2023-07-13  9:04     ` Dmitry Baryshkov
2023-07-14  5:33 ` (subset) [PATCH v2 0/8] MDSS reg bus interconnect Bjorn Andersson
2023-07-18  0:04 ` Abhinav Kumar

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