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drm/msm/adreno: Call dev_pm_opp_put()

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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@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jordan Crouse 2017-11-21 12:40:51 -07:00 committed by Rob Clark
parent 9dcfbc182f
commit aa2a2ab7b7
2 changed files with 10 additions and 2 deletions
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8
drivers/gpu/drm/msm/adreno/a5xx_power.c
View File

@ -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 */

4
drivers/gpu/drm/msm/adreno/adreno_device.c
View File

@ -247,8 +247,10 @@ 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,