提交 df099b9b 编写于 作者: L Leo (Sunpeng) Li 提交者: Alex Deucher

drm/amd/display: Destroy connector state on reset

When a DRM mode reset is called on resume, the connector state's
destructor is not called. This leaves a dangling reference on the CRTC
commit object, which was obtained by the connector state during commit
setup.
Signed-off-by: NLeo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: NHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 aa6d4a59
......@@ -2709,6 +2709,9 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
struct dm_connector_state *state =
to_dm_connector_state(connector->state);
if (connector->state)
__drm_atomic_helper_connector_destroy_state(connector->state);
kfree(state);
state = kzalloc(sizeof(*state), GFP_KERNEL);
......@@ -2719,8 +2722,7 @@ void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
state->underscan_hborder = 0;
state->underscan_vborder = 0;
connector->state = &state->base;
connector->state->connector = connector;
__drm_atomic_helper_connector_reset(connector, &state->base);
}
}
......
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