Re: [PATCH RFT 5/5] drm/msm: Attach a driver to the GMU

[Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>]

On Wed, May 13, 2026 at 02:23:00AM +0530, Akhil P Oommen wrote:
> With the introduction of sync_state in the genpd framework, any consumer
> device of GCC and GPUCC which is not bound to a driver will result in
> bootup warnings like below:
> 
> [   24.362666] gcc-kaanapali 100000.clock-controller: sync_state() pending due to 3d37000.gmu
> [   24.371210] gxclkctl-kaanapali 3d64000.clock-controller: sync_state() pending due to 3d37000.gmu
> [   24.380268] gpucc-kaanapali 3d90000.clock-controller: sync_state() pending due to 3d37000.gmu
> 
> To silence these warnings and also to have a proper state in driver core,
> attach a driver to the GMU and set it up as a component device for the drm
> master device.
> 
> Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gmu.c      | 70 ++++++++++++++++++++++++++++--
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c      | 30 +++++--------
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.h      |  3 --
>  drivers/gpu/drm/msm/adreno/adreno_device.c |  2 +
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h    |  3 +-
>  drivers/gpu/drm/msm/msm_drv.c              | 17 ++++----
>  6 files changed, 92 insertions(+), 33 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry