mdp4_kms_init() enables the optional vdd regulator, but only its error
path disables it again: unbinding the display leaves it on, and the
regulator core warns when the devm-managed exclusive handle is released
while enabled.
Disable it again in mdp4_destroy().
Fixes: c8afe684c95c ("drm/msm: basic KMS driver for snapdragon")
Assisted-by: LLM
Signed-off-by: Dmitry Baryshkov <[email protected]>
---
drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index 62a79bdfca19..8529e7b2008d 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -137,6 +137,9 @@ static void mdp4_destroy(struct msm_kms *kms)
if (mdp4_kms->rpm_enabled)
pm_runtime_disable(dev);
+ if (mdp4_kms->vdd)
+ regulator_disable(mdp4_kms->vdd);
+
mdp_kms_destroy(&mdp4_kms->base);
}
--
2.47.3
