linux-kernel - [PATCH 0/5] drm/msm: Add support for the A750 GPU found on the SM8650 platform

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Message-Id: <20240212-topic-sm8650-gpu-v1-0-708a40b747b5@linaro.org>
Date: Mon, 12 Feb 2024 11:37:29 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Rob Clark <robdclark@...il.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Will Deacon <will@...nel.org>, 
 Robin Murphy <robin.murphy@....com>, Joerg Roedel <joro@...tes.org>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 iommu@...ts.linux.dev, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH 0/5] drm/msm: Add support for the A750 GPU found on the
 SM8650 platform

Unlike the the very close A740 GPU on the SM8550 SoC, the A750 GPU
doesn't have an HWCFG block but a separate register set.

The missing registers are added in the a6xx.xml.h file that would
require a subsequent sync and the non-existent hwcfg is handled
in a6xx_set_hwcg().

The A750 GPU info are added under the adreno_is_a750() macro and
the ADRENO_7XX_GEN3 family id.

This adds:
- the GMU and SMMU bindings
- DRM driver changes
- DT nodes

Dependencies: None

Tested using Mesa's !26934 Merge Request [0] on the SM8650-QRD
and with kmscube & vkcube to test basic rendering.

[0] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26934

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
Neil Armstrong (5):
      dt-bindings: display/msm/gmu: Document Adreno 750 GMU
      dt-bindings: arm-smmu: Document SM8650 GPU SMMU
      drm: msm: add support for A750 GPU
      arm64: dts: qcom: sm8650: add GPU nodes
      arm64: dts: qcom: sm8650-qrd: enable GPU

 .../devicetree/bindings/display/msm/gmu.yaml       |   1 +
 .../devicetree/bindings/iommu/arm,smmu.yaml        |   7 +-
 arch/arm64/boot/dts/qcom/sm8650-qrd.dts            |   8 +
 arch/arm64/boot/dts/qcom/sm8650.dtsi               | 169 +++++++++++++++++++++
 drivers/gpu/drm/msm/adreno/a6xx.xml.h              |   8 +
 drivers/gpu/drm/msm/adreno/a6xx_gmu.c              |   2 +
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c              |  29 +++-
 drivers/gpu/drm/msm/adreno/adreno_device.c         |  14 ++
 drivers/gpu/drm/msm/adreno/adreno_gpu.h            |   9 +-
 9 files changed, 241 insertions(+), 6 deletions(-)
---
base-commit: 84baf172e2fa30d6d6d0fb8ed076b47e836b74f1
change-id: 20240208-topic-sm8650-gpu-489d5e2c2b17

Best regards,
-- 
Neil Armstrong <neil.armstrong@...aro.org>