Re: [PATCH v2 0/5] Support for Adreno X1-85 GPU

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On Sat, Jun 29, 2024 at 07:19:33AM +0530, Akhil P Oommen wrote:
> This series adds support for the Adreno X1-85 GPU found in Qualcomm's
> compute series chipset, Snapdragon X1 Elite (x1e80100). In this new
> naming scheme for Adreno GPU, 'X' stands for compute series, '1' denotes
> 1st generation and '8' & '5' denotes the tier and the SKU which it
> belongs.
> 
> X1-85 has major focus on doubling core clock frequency and bandwidth
> throughput. It has a dedicated collapsible Graphics MX rail (gmxc) to
> power the memories and double the number of data channels to improve
> bandwidth to DDR.
> 
> Mesa has the necessary bits present already to support this GPU. We are
> able to bring up Gnome desktop by hardcoding "0xffff43050a01" as
> chipid. Also, verified glxgears and glmark2. We have plans to add the
> new chipid support to Mesa in next few weeks, but these patches can go in
> right away to get included in v6.11.
> 
> This series is rebased on top of msm-next branch. P3 cherry-picks cleanly on
> qcom/for-next.

A typo here: P5 cherry-picks cleanly on qcom/for-next.

-Akhil
> 
> P1, P2 & P3 for Rob Clark
> P4 for Will Deacon
> P5 for Bjorn to pick up.
> 
> Changes in v2:
> - Minor update to compatible pattern, '[x]' -> 'x'
> - Increased address space size (Rob)
> - Introduced gmu_chipid in a6xx_info (Rob)
> - Improved fallback logic for gmxc (Dmitry)
> - Rebased on top of msm-next
> - Picked a new patch for arm-mmu bindings update
> - Reordered gpu & gmu reg enties to match schema
> 
> Akhil P Oommen (5):
>   dt-bindings: display/msm/gmu: Add Adreno X185 GMU
>   drm/msm/adreno: Add support for X185 GPU
>   drm/msm/adreno: Introduce gmu_chipid for a740 & a750
>   dt-bindings: arm-smmu: Add X1E80100 GPU SMMU
>   arm64: dts: qcom: x1e80100: Add gpu support
> 
>  .../devicetree/bindings/display/msm/gmu.yaml  |   4 +
>  .../devicetree/bindings/iommu/arm,smmu.yaml   |   3 +-
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi        | 195 ++++++++++++++++++
>  drivers/gpu/drm/msm/adreno/a6xx_catalog.c     |  20 ++
>  drivers/gpu/drm/msm/adreno/a6xx_gmu.c         |  34 +--
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c         |   2 +-
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.h         |   1 +
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h       |   5 +
>  8 files changed, 239 insertions(+), 25 deletions(-)
> 
> -- 
> 2.45.1
> 



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