linux-kernel - [PATCH v3 6/8] drm/msm/adreno: Remove a WARN() during runtime

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Date:   Sat, 30 Jul 2022 15:10:49 +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:     Jordan Crouse <jordan@...micpenguin.net>,
        Jonathan Marek <jonathan@...ek.ca>,
        Douglas Anderson <dianders@...omium.org>,
        "Matthias Kaehlcke" <mka@...omium.org>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Nathan Chancellor <nathan@...nel.org>,
        "Sean Paul" <sean@...rly.run>,
        Vladimir Lypak <vladimir.lypak@...il.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 6/8] drm/msm/adreno: Remove a WARN() during runtime_suspend

WARN(gpu->active_submits) during runtime_suspend doesn't make sense now
because we force runtime suspend during a gpu recovery when there are
active submissions pending.

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

(no changes since v1)

 drivers/gpu/drm/msm/adreno/adreno_device.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 8706bcd..d1e1e8e 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -610,13 +610,6 @@ static int adreno_runtime_suspend(struct device *dev)
 {
 	struct msm_gpu *gpu = dev_to_gpu(dev);
 
-	/*
-	 * We should be holding a runpm ref, which will prevent
-	 * runtime suspend.  In the system suspend path, we've
-	 * already waited for active jobs to complete.
-	 */
-	WARN_ON_ONCE(gpu->active_submits);
-
 	return gpu->funcs->pm_suspend(gpu);
 }
 
-- 
2.7.4