diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
index 469b4b8f88a3..bd9e0173ff9d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
@@ -220,6 +220,7 @@ static bool dce_abm_set_level(struct abm *abm, uint32_t level)
 
 static bool dce_abm_immediate_disable(struct abm *abm, uint32_t panel_inst)
 {
+
 	if (abm->dmcu_is_running == false)
 		return true;
 
@@ -272,6 +273,7 @@ static void dce_abm_construct(
 	base->ctx = ctx;
 	base->funcs = &dce_funcs;
 	base->dmcu_is_running = false;
+	base->inst = 0;
 
 	abm_dce->regs = regs;
 	abm_dce->abm_shift = abm_shift;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
index 2df6e82b794f..8cca8599b917 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
@@ -280,6 +280,7 @@ static void dmub_abm_construct(
 	base->ctx = ctx;
 	base->funcs = &abm_funcs;
 	base->dmcu_is_running = false;
+	base->inst = 0;
 
 	abm_dce->regs = regs;
 	abm_dce->abm_shift = abm_shift;
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
index 6ae7cf109565..e3fa987304da 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
@@ -33,6 +33,7 @@ struct abm {
 	struct dc_context *ctx;
 	const struct abm_funcs *funcs;
 	bool dmcu_is_running;
+	unsigned int inst;
 };
 
 struct abm_funcs {