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| author | Johan Hovold <johan+linaro@kernel.org> | 2024-03-13 19:43:05 +0300 |
|---|---|---|
| committer | Abhinav Kumar <quic_abhinavk@quicinc.com> | 2024-03-29 23:07:41 +0300 |
| commit | 0640f47b742667fca6aac174f7cd62b6c2c7532c (patch) | |
| tree | a9f695487747382aef829e1aa9a22a4df146e7a5 /drivers/gpu/drm/msm/dp | |
| parent | 4be445f5b6b6810baf397b2d159bd07c3573fd75 (diff) | |
| download | linux-0640f47b742667fca6aac174f7cd62b6c2c7532c.tar.xz | |
drm/msm/dp: fix runtime PM leak on disconnect
Make sure to put the runtime PM usage count (and suspend) also when
receiving a disconnect event while in the ST_MAINLINK_READY state.
This specifically avoids leaking a runtime PM usage count on every
disconnect with display servers that do not automatically enable
external displays when receiving a hotplug notification.
Fixes: 5814b8bf086a ("drm/msm/dp: incorporate pm_runtime framework into DP driver")
Cc: stable@vger.kernel.org # 6.8
Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/582744/
Link: https://lore.kernel.org/r/20240313164306.23133-2-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index d80f89581760..ffa785ec641a 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -629,6 +629,7 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) dp_display_host_phy_exit(dp); dp->hpd_state = ST_DISCONNECTED; dp_display_notify_disconnect(&dp->dp_display.pdev->dev); + pm_runtime_put_sync(&pdev->dev); mutex_unlock(&dp->event_mutex); return 0; } |