diff options
| author | Johan Hovold <johan+linaro@kernel.org> | 2024-03-13 17:43:06 +0100 |
|---|---|---|
| committer | Abhinav Kumar <quic_abhinavk@quicinc.com> | 2024-03-29 13:07:41 -0700 |
| commit | e86750b01a1560f198e4b3e21bb3f78bfd5bb2c3 (patch) | |
| tree | 3069703c9437733b78233a0d983a7172cb114bfa /drivers/gpu | |
| parent | 0640f47b742667fca6aac174f7cd62b6c2c7532c (diff) | |
| download | linux-e86750b01a1560f198e4b3e21bb3f78bfd5bb2c3.tar.gz | |
drm/msm/dp: fix runtime PM leak on connect failure
Make sure to balance the runtime PM usage counter (and suspend) before
returning on connect failures (e.g. DPCD read failures after a spurious
connect event or if link training fails).
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/582746/
Link: https://lore.kernel.org/r/20240313164306.23133-3-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Diffstat (limited to 'drivers/gpu')
| -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 ffa785ec641aa..2ed40bd0acb60 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -572,6 +572,7 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) ret = dp_display_usbpd_configure_cb(&pdev->dev); if (ret) { /* link train failed */ dp->hpd_state = ST_DISCONNECTED; + pm_runtime_put_sync(&pdev->dev); } else { dp->hpd_state = ST_MAINLINK_READY; } |