| Message ID | 20210705231446.315526-1-david@ixit.cz |
|---|---|
| State | New |
| Headers | show |
| Series | drm/msm/dsi: do not use unintialized kms | expand |
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 4ebfedc4a9ac..8114612b34b0 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -230,7 +230,7 @@ void msm_dsi_manager_setup_encoder(int id) struct msm_kms *kms = priv->kms; struct drm_encoder *encoder = msm_dsi_get_encoder(msm_dsi); - if (encoder && kms->funcs->set_encoder_mode) + if (encoder && kms && kms->funcs->set_encoder_mode) kms->funcs->set_encoder_mode(kms, encoder, dsi_mgr_is_cmd_mode(msm_dsi)); }
Without this patch boot ends at NULL ptr exception at msm_dsi_manager_setup_encoder on devices like Nexus 7 with MDP4 version 4.4. Fixes: 5d0e97dc8c4c ("drm/msm/dsi: Move setup_encoder to modeset_init") Signed-off-by: David Heidelberg <david@ixit.cz> --- drivers/gpu/drm/msm/dsi/dsi_manager.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)