linux-kernel - [PATCH v2 1/7] drm/msm: Remove unnecessary pm_runtime

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Date:   Sat, 9 Jul 2022 11:29:29 +0530
From:   Akhil P Oommen <quic_akhilpo@...cinc.com>
To:     freedreno <freedreno@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>,
        Rob Clark <robdclark@...il.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
CC:     Jonathan Marek <jonathan@...ek.ca>,
        Jordan Crouse <jordan@...micpenguin.net>,
        Matthias Kaehlcke <mka@...omium.org>,
        "Douglas Anderson" <dianders@...omium.org>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/7] drm/msm: Remove unnecessary pm_runtime_get/put

We already enable gpu power from msm_gpu_submit(), so avoid a duplicate
pm_runtime_get/put from msm_job_run().

Signed-off-by: Akhil P Oommen <quic_akhilpo@...cinc.com>
---

(no changes since v1)

 drivers/gpu/drm/msm/msm_ringbuffer.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c
index 56eecb4..cad4c35 100644
--- a/drivers/gpu/drm/msm/msm_ringbuffer.c
+++ b/drivers/gpu/drm/msm/msm_ringbuffer.c
@@ -29,8 +29,6 @@ static struct dma_fence *msm_job_run(struct drm_sched_job *job)
 		msm_gem_unlock(obj);
 	}
 
-	pm_runtime_get_sync(&gpu->pdev->dev);
-
 	/* TODO move submit path over to using a per-ring lock.. */
 	mutex_lock(&gpu->lock);
 
@@ -38,8 +36,6 @@ static struct dma_fence *msm_job_run(struct drm_sched_job *job)
 
 	mutex_unlock(&gpu->lock);
 
-	pm_runtime_put(&gpu->pdev->dev);
-
 	return dma_fence_get(submit->hw_fence);
 }
 
-- 
2.7.4