[PATCH 5/5] drm/msm/a5xx: Enable optional icc voting from OPP tables

From: Konrad Dybcio
Date: Wed Feb 22 2023 - 16:47:33 EST


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>
---
drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index d09221f97f71..a33af0cc27b6 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -1775,5 +1775,9 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev)
/* Set up the preemption specific bits and pieces for each ringbuffer */
a5xx_preempt_init(gpu);

+ ret = dev_pm_opp_of_find_icc_paths(&pdev->dev, NULL);
+ if (ret)
+ return ERR_PTR(ret);
+
return gpu;
}

--
2.39.2