Re: [PATCH v2 07/11] drm/msm: adreno: find bandwidth index of OPP and set it along freq index

[Dmitry Baryshkov <dmitry.baryshkov@linaro.org>]

On Tue, Nov 19, 2024 at 06:56:42PM +0100, Neil Armstrong wrote:
> The Adreno GMU Management Unit (GMU) can also scale the DDR Bandwidth
> along the Frequency and Power Domain level, until now we left the OPP
> core scale the OPP bandwidth via the interconnect path.
> 
> In order to enable bandwidth voting via the GPU Management
> Unit (GMU), when an opp is set by devfreq we also look for
> the corresponding bandwidth index in the previously generated
> bw_table and pass this value along the frequency index to the GMU.
> 
> Since we now vote for all resources via the GMU, setting the OPP
> is no more needed, so we can completely skip calling
> dev_pm_opp_set_opp() in this situation.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 17 +++++++++++++++--
>  drivers/gpu/drm/msm/adreno/a6xx_gmu.h |  2 +-
>  drivers/gpu/drm/msm/adreno/a6xx_hfi.c |  6 +++---
>  3 files changed, 19 insertions(+), 6 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

-- 
With best wishes
Dmitry