| Message ID | 20230214173145.2482651-12-konrad.dybcio@linaro.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | GMU-less A6xx support (A610, A619_holi) | expand |
On 14/02/2023 19:31, Konrad Dybcio wrote: > On GMU-equipped GPUs, the GMU requests appropriate bandwidth votes > for us. This is however not the case for the other GPUs. Add the > dev_pm_opp_of_find_icc_paths() call to let the OPP framework handle > bus voting as part of power level setting. > > Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > --- > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > index d6b38bfdb3b4..b08ed127f8c4 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > @@ -2338,5 +2338,9 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) > msm_mmu_set_fault_handler(gpu->aspace->mmu, gpu, > a6xx_fault_handler); > > + ret = dev_pm_opp_of_find_icc_paths(&pdev->dev, NULL); > + if (ret) > + return ERR_PTR(ret); > + > return gpu; > }
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index d6b38bfdb3b4..b08ed127f8c4 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -2338,5 +2338,9 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) msm_mmu_set_fault_handler(gpu->aspace->mmu, gpu, a6xx_fault_handler); + ret = dev_pm_opp_of_find_icc_paths(&pdev->dev, NULL); + if (ret) + return ERR_PTR(ret); + return gpu; }
On GMU-equipped GPUs, the GMU requests appropriate bandwidth votes for us. This is however not the case for the other GPUs. Add the dev_pm_opp_of_find_icc_paths() call to let the OPP framework handle bus voting as part of power level setting. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 ++++ 1 file changed, 4 insertions(+)