[PATCH 1/8] drm/msm/adreno: Call dev_pm_opp_put()

[Jordan Crouse]

We need to call dev_pm_opp_put() to put back the reference
for the OPP struct after calling the various dev_pm_opp_get_*
functions.

Signed-off-by: Jordan Crouse <jcrouse at codeaurora.org>
---
 drivers/gpu/drm/msm/adreno/a5xx_power.c    | 8 +++++++-
 drivers/gpu/drm/msm/adreno/adreno_device.c | 4 +++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a5xx_power.c b/drivers/gpu/drm/msm/adreno/a5xx_power.c
index e5700bb..4e4d965 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_power.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_power.c
@@ -103,10 +103,16 @@ static inline uint32_t _get_mvolts(struct msm_gpu *gpu, uint32_t freq)
 	struct msm_drm_private *priv = dev->dev_private;
 	struct platform_device *pdev = priv->gpu_pdev;
 	struct dev_pm_opp *opp;
+	u32 ret = 0;
 
 	opp = dev_pm_opp_find_freq_exact(&pdev->dev, freq, true);
 
-	return (!IS_ERR(opp)) ? dev_pm_opp_get_voltage(opp) / 1000 : 0;
+	if (!IS_ERR(opp)) {
+		ret = dev_pm_opp_get_voltage(opp) / 1000;
+		dev_pm_opp_put(opp);
+	}
+
+	return ret;
 }
 
 /* Setup thermal limit management */
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 05022ea..e1eb7e1 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -239,8 +239,10 @@ static int adreno_get_pwrlevels(struct device *dev,
 
 	/* Find the fastest defined rate */
 	opp = dev_pm_opp_find_freq_floor(dev, &freq);
-	if (!IS_ERR(opp))
+	if (!IS_ERR(opp)) {
 		config->fast_rate = dev_pm_opp_get_freq(opp);
+		dev_pm_opp_put(opp);
+	}
 
 	if (!config->fast_rate) {
 		DRM_DEV_INFO(dev,
-- 
1.9.1