On 3/13/2024 9:43 AM, Johan Hovold wrote:
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.
Thanks for the fixes. Both look right to me.
I will pick up both of them for -fixes
Reviewed-by: Abhinav Kumar quic_abhinavk@quicinc.com
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
drivers/gpu/drm/msm/dp/dp_display.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 4c72124ffb5d..8e8cf531da45 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -655,6 +655,7 @@ 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);