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Sat, 3 May 2025 07:04:15 GMT Received: from [10.213.111.143] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sat, 3 May 2025 00:04:08 -0700 From: Akhil P Oommen Date: Sat, 3 May 2025 12:33:33 +0530 Subject: [PATCH v6 2/7] drm/msm/a6xx: Increase HFI response timeout Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20250503-gpu-acd-v6-2-ab1b52866c64@quicinc.com> References: <20250503-gpu-acd-v6-0-ab1b52866c64@quicinc.com> In-Reply-To: <20250503-gpu-acd-v6-0-ab1b52866c64@quicinc.com> To: Rob Clark , Sean Paul , "Konrad Dybcio" , Abhinav Kumar , Marijn Suijten , David Airlie , Simona Vetter , Viresh Kumar , Nishanth Menon , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Akhil P Oommen , Bjorn Andersson , "Maya Matuszczyk" , Anthony Ruhier , Dmitry Baryshkov CC: , , , , , X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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So, increase the HFI response timeout to match the downstream driver. Tested-by: Maya Matuszczyk Tested-by: Anthony Ruhier Signed-off-by: Akhil P Oommen --- drivers/gpu/drm/msm/adreno/a6xx_hfi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c index b256092596fbab86d4eb8c17ac7c89cf94827105..d0ddae1617c3213a1bb2cb5c18b8653c5c1689e6 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c @@ -109,7 +109,7 @@ static int a6xx_hfi_wait_for_ack(struct a6xx_gmu *gmu, u32 id, u32 seqnum, /* Wait for a response */ ret = gmu_poll_timeout(gmu, REG_A6XX_GMU_GMU2HOST_INTR_INFO, val, - val & A6XX_GMU_GMU2HOST_INTR_INFO_MSGQ, 100, 5000); + val & A6XX_GMU_GMU2HOST_INTR_INFO_MSGQ, 100, 1000000); if (ret) { DRM_DEV_ERROR(gmu->dev, From patchwork Sat May 3 07:03:36 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil P Oommen X-Patchwork-Id: 887079 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E0001AAE13; 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The new property called "qcom,opp-acd-level" carries a u32 value recommended for each opp needs to be shared to GMU during runtime. Also, update MAINTAINERS file include the new opp-v2-qcom-adreno.yaml. Cc: Rob Clark Tested-by: Maya Matuszczyk Tested-by: Anthony Ruhier Reviewed-by: Krzysztof Kozlowski Signed-off-by: Akhil P Oommen --- .../bindings/opp/opp-v2-qcom-adreno.yaml | 96 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 97 insertions(+) diff --git a/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml b/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml new file mode 100644 index 0000000000000000000000000000000000000000..a27ba7b663d456f964628a91a661b51a684de1be --- /dev/null +++ b/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/opp/opp-v2-qcom-adreno.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Adreno compatible OPP supply + +description: + Adreno GPUs present in Qualcomm's Snapdragon chipsets uses an OPP specific + ACD related information tailored for the specific chipset. This binding + provides the information needed to describe such a hardware value. + +maintainers: + - Rob Clark + +allOf: + - $ref: opp-v2-base.yaml# + +properties: + compatible: + contains: + const: operating-points-v2-adreno + +patternProperties: + '^opp-[0-9]+$': + type: object + additionalProperties: false + + properties: + opp-hz: true + + opp-level: true + + opp-peak-kBps: true + + opp-supported-hw: true + + qcom,opp-acd-level: + description: | + A positive value representing the ACD (Adaptive Clock Distribution, + a fancy name for clk throttling during voltage droop) level associated + with this OPP node. This value is shared to a co-processor inside GPU + (called Graphics Management Unit a.k.a GMU) during wake up. It may not + be present for some OPPs and GMU will disable ACD while transitioning + to that OPP. This value encodes a voltage threshold, delay cycles & + calibration margins which are identified by characterization of the + SoC. So, it doesn't have any unit. This data is passed to GMU firmware + via 'HFI_H2F_MSG_ACD' packet. + $ref: /schemas/types.yaml#/definitions/uint32 + + required: + - opp-hz + - opp-level + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include + + gpu_opp_table: opp-table { + compatible = "operating-points-v2-adreno", "operating-points-v2"; + + opp-687000000 { + opp-hz = /bits/ 64 <687000000>; + opp-level = ; + opp-peak-kBps = <8171875>; + qcom,opp-acd-level = <0x882e5ffd>; + }; + + opp-550000000 { + opp-hz = /bits/ 64 <550000000>; + opp-level = ; + opp-peak-kBps = <6074219>; + qcom,opp-acd-level = <0xc0285ffd>; + }; + + opp-390000000 { + opp-hz = /bits/ 64 <390000000>; + opp-level = ; + opp-peak-kBps = <3000000>; + qcom,opp-acd-level = <0xc0285ffd>; + }; + + opp-300000000 { + opp-hz = /bits/ 64 <300000000>; + opp-level = ; + opp-peak-kBps = <2136719>; + /* Intentionally left out qcom,opp-acd-level property here */ + }; + + }; diff --git a/MAINTAINERS b/MAINTAINERS index c59316109e3f8feacf9628fd1065ed551c4250d5..2d055c8135d1e3dbbf29fe9a552ac0ee98a8a2a4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7512,6 +7512,7 @@ S: Maintained B: https://gitlab.freedesktop.org/drm/msm/-/issues T: git https://gitlab.freedesktop.org/drm/msm.git F: Documentation/devicetree/bindings/display/msm/gpu.yaml +F: Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml F: drivers/gpu/drm/msm/adreno/ F: drivers/gpu/drm/msm/msm_gpu.* F: drivers/gpu/drm/msm/msm_gpu_devfreq.* From patchwork Sat May 3 07:03:37 2025 Content-Type: text/plain; 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Reviewed-by: Konrad Dybcio Tested-by: Maya Matuszczyk Tested-by: Anthony Ruhier Signed-off-by: Akhil P Oommen --- arch/arm64/boot/dts/qcom/x1e80100.dtsi | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi index 4936fa5b98ff7a9a009e3106f4dba90131251971..a9c8cca1c6356393962cef856b3dbd9420733999 100644 --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi @@ -3752,60 +3752,69 @@ zap-shader { }; gpu_opp_table: opp-table { - compatible = "operating-points-v2"; + compatible = "operating-points-v2-adreno", "operating-points-v2"; opp-1100000000 { opp-hz = /bits/ 64 <1100000000>; opp-level = ; opp-peak-kBps = <16500000>; + qcom,opp-acd-level = <0xa82a5ffd>; }; opp-1000000000 { opp-hz = /bits/ 64 <1000000000>; opp-level = ; opp-peak-kBps = <14398438>; + qcom,opp-acd-level = <0xa82b5ffd>; }; opp-925000000 { opp-hz = /bits/ 64 <925000000>; opp-level = ; opp-peak-kBps = <14398438>; + qcom,opp-acd-level = <0xa82b5ffd>; }; opp-800000000 { opp-hz = /bits/ 64 <800000000>; opp-level = ; opp-peak-kBps = <12449219>; + qcom,opp-acd-level = <0xa82c5ffd>; }; opp-744000000 { opp-hz = /bits/ 64 <744000000>; opp-level = ; opp-peak-kBps = <10687500>; + qcom,opp-acd-level = <0x882e5ffd>; }; opp-687000000 { opp-hz = /bits/ 64 <687000000>; opp-level = ; opp-peak-kBps = <8171875>; + qcom,opp-acd-level = <0x882e5ffd>; }; opp-550000000 { opp-hz = /bits/ 64 <550000000>; opp-level = ; opp-peak-kBps = <6074219>; + qcom,opp-acd-level = <0xc0285ffd>; }; opp-390000000 { opp-hz = /bits/ 64 <390000000>; opp-level = ; opp-peak-kBps = <3000000>; + qcom,opp-acd-level = <0xc0285ffd>; }; opp-300000000 { opp-hz = /bits/ 64 <300000000>; opp-level = ; opp-peak-kBps = <2136719>; + qcom,opp-acd-level = <0xc02b5ffd>; }; }; };