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@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
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;
}
--
With best wishes
Dmitry
