linux-kernel - [PATCH] [PATCH] venus: core: remove CNOC voting while device suspend

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Date:   Mon, 17 Feb 2020 17:31:31 +0530
From:   Mansur Alisha Shaik <mansur@...eaurora.org>
To:     linux-media@...r.kernel.org, stanimir.varbanov@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        vgarodia@...eaurora.org, mansur@...eaurora.org
Subject: [PATCH] [PATCH] venus: core: remove CNOC voting while device suspend

video driver is voting for CNOC during probe and not clear
while device suspend. Because of which XO shutdown is
happing(BCM42: VALID: 0x1 VOTE_X: 0x0000 VOTE_Y: 0x0004).

So, clearing CNOC voting while device suspend.

Signed-off-by: Mansur Alisha Shaik <mansur@...eaurora.org>
---
 drivers/media/platform/qcom/venus/core.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index e7995cb..153effe 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -244,10 +244,6 @@ static int venus_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	ret = icc_set_bw(core->cpucfg_path, 0, kbps_to_icc(1000));
-	if (ret)
-		return ret;
-
 	ret = hfi_create(core, &venus_core_ops);
 	if (ret)
 		return ret;
@@ -353,6 +349,10 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
 	if (ret)
 		return ret;
 
+	ret = icc_set_bw(core->cpucfg_path, 0, 0);
+	if (ret)
+		return ret;
+
 	if (pm_ops->core_power)
 		ret = pm_ops->core_power(dev, POWER_OFF);
 
@@ -371,6 +371,10 @@ static __maybe_unused int venus_runtime_resume(struct device *dev)
 			return ret;
 	}
 
+	ret = icc_set_bw(core->cpucfg_path, 0, kbps_to_icc(1000));
+	if (ret)
+		return ret;
+
 	return hfi_core_resume(core, false);
 }
 
-- 
2.7.4