diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h b/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h
index 227e3f8d7e5f..3e5140993935 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h
@@ -34,6 +34,7 @@ struct pg_cntl {
 	const struct pg_cntl_funcs *funcs;
 	bool pg_pipe_res_enable[PG_HW_PIPE_RESOURCES_NUM_ELEMENT][MAX_PIPES];
 	bool pg_res_enable[PG_HW_RESOURCES_NUM_ELEMENT];
+	unsigned int inst;
 };
 
 struct pg_cntl_funcs {
diff --git a/drivers/gpu/drm/amd/display/dc/pg/dcn35/dcn35_pg_cntl.c b/drivers/gpu/drm/amd/display/dc/pg/dcn35/dcn35_pg_cntl.c
index 1d0181534a67..6e5ea1bbca02 100644
--- a/drivers/gpu/drm/amd/display/dc/pg/dcn35/dcn35_pg_cntl.c
+++ b/drivers/gpu/drm/amd/display/dc/pg/dcn35/dcn35_pg_cntl.c
@@ -553,6 +553,7 @@ struct pg_cntl *pg_cntl35_create(
 	base = &pg_cntl_dcn->base;
 	base->ctx = ctx;
 	base->funcs = &pg_cntl35_funcs;
+	base->inst = 0;
 
 	pg_cntl_dcn->regs = regs;
 	pg_cntl_dcn->pg_cntl_shift = pg_cntl_shift;
diff --git a/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c b/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c
index 79f1b79eacc2..e9125d2467fc 100644
--- a/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c
+++ b/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c
@@ -630,6 +630,7 @@ struct pg_cntl *pg_cntl42_create(
 	base = &pg_cntl_dcn->base;
 	base->ctx = ctx;
 	base->funcs = &pg_cntl42_funcs;
+	base->inst = 0;
 
 	pg_cntl_dcn->regs = regs;
 	pg_cntl_dcn->pg_cntl_shift = pg_cntl_shift;