Re: [PATCH RFC v2 0/6] Add support for Adreno 810 GPU

[Akhil P Oommen <akhilpo@oss.qualcomm.com>]

On 4/3/2026 4:38 AM, Alexander Koskovich wrote:
> Adreno 810 is present in the Milos SoC and is the first GPU to be released in
> the A8x family.
> 
> Note that the OPP table is limited to 1050MHz to start with as the only Milos
> device I have is limited to that speed in GPU_CC_FREQ_LIMIT_VAL.
> 
> This series is marked as RFC because it depends on a couple other in review
> series, batch 2 for A8x [1] and the GXCLKCTL block for Milos [2].
> 
> There is also currently an issue on Milos with gx_clkctl_gx_gdsc being stuck on
> during runtime PM [3]. The proper fix is to only toggle the GX GDSC during GMU
> recovery, as the firmware manages it in all other cases. This is the same issue
> seen on SM8750 and is being worked on by Qualcomm. Right now I am just working
> around this locally by not collapsing the GX GDSC during runtime suspend.

This fix is posted here:
https://lore.kernel.org/lkml/20260407-gfx-clk-fixes-v1-0-4bb5583a5054@oss.qualcomm.com/

Please mark you series as dependent on this.

-Akhil

> 
> [1]: https://lore.kernel.org/linux-arm-msm/20260327-a8xx-gpu-batch2-v2-0-2b53c38d2101@oss.qualcomm.com
> [2]: https://lore.kernel.org/linux-arm-msm/20260306-milos-gxclkctl-v1-0-00b09ee159a7@fairphone.com
> [3]: https://lore.kernel.org/linux-arm-msm/5409e13e-280c-47b6-a29f-351cb609bc6f@oss.qualcomm.com
> 
> Signed-off-by: Alexander Koskovich <akoskovich@pm.me>
> ---
> Changes in v2:
> - Mark as RFC due to dependency on in-review changes
> - Explain in DTS commit why qcom,kaanapali-gxclkctl.h and not qcom,milos-gxclkctl.h
> - cx_mmio -> cx_misc_mmio
> - Sync a810_nonctxt_regs with GRAPHICS.LA.14.0.r5-03100-lanai.0
> - Link to v1: https://lore.kernel.org/r/20260331-adreno-810-v1-0-725801dbb12b@pm.me
> 
> ---
> Alexander Koskovich (6):
>       dt-bindings: display/msm/gmu: Document Adreno 810 GMU
>       drm/msm/adreno: rename llc_mmio to cx_misc_mmio
>       drm/msm/adreno: set cx_misc_mmio regardless of if platform has LLCC
>       drm/msm/a8xx: use pipe protect slot 15 for last-span-unbound feature
>       drm/msm/adreno: add Adreno 810 GPU support
>       arm64: dts: qcom: milos: Add Adreno 810 GPU and GMU nodes
> 
>  .../devicetree/bindings/display/msm/gmu.yaml       |  32 +++
>  arch/arm64/boot/dts/qcom/milos.dtsi                | 148 +++++++++++
>  drivers/gpu/drm/msm/adreno/a6xx_catalog.c          | 271 +++++++++++++++++++++
>  drivers/gpu/drm/msm/adreno/a6xx_gmu.c              |   8 +-
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c              |  44 ++--
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.h              |  14 +-
>  drivers/gpu/drm/msm/adreno/a8xx_gpu.c              |  11 +-
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h            |   5 +
>  8 files changed, 493 insertions(+), 40 deletions(-)
> ---
> base-commit: 128d2eccd20bd74fd104b412d949d869aa48f108
> change-id: 20260330-adreno-810-5a47525522cd
> 
> Best regards,