diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 4b75613de882..4a46c8c006c8 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -247,18 +247,6 @@ struct mgag200_device_info {
 	}
 
 struct mgag200_device_funcs {
-	/*
-	 * Disables an external reset source (i.e., BMC) before programming
-	 * a new display mode.
-	 */
-	void (*disable_vidrst)(struct mga_device *mdev);
-
-	/*
-	 * Enables an external reset source (i.e., BMC) after programming
-	 * a new display mode.
-	 */
-	void (*enable_vidrst)(struct mga_device *mdev);
-
 	/*
 	 * Validate that the given state can be programmed into PIXPLLC. On
 	 * success, the calculated parameters should be stored in the CRTC's
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200er.c b/drivers/gpu/drm/mgag200/mgag200_g200er.c
index abfbed6ec390..b3bb3e9fb0d1 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200er.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200er.c
@@ -191,9 +191,6 @@ static void mgag200_g200er_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 	struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
 	const struct drm_format_info *format = mgag200_crtc_state->format;
 
-	if (funcs->disable_vidrst)
-		funcs->disable_vidrst(mdev);
-
 	mgag200_set_format_regs(mdev, format);
 	mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
 
@@ -209,8 +206,8 @@ static void mgag200_g200er_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 
 	mgag200_enable_display(mdev);
 
-	if (funcs->enable_vidrst)
-		funcs->enable_vidrst(mdev);
+	if (mdev->info->has_vidrst)
+		mgag200_bmc_enable_vidrst(mdev);
 }
 
 static const struct drm_crtc_helper_funcs mgag200_g200er_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ev.c b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
index acc99999e2b5..3ac0a508e2c5 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ev.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
@@ -192,9 +192,6 @@ static void mgag200_g200ev_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 	struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
 	const struct drm_format_info *format = mgag200_crtc_state->format;
 
-	if (funcs->disable_vidrst)
-		funcs->disable_vidrst(mdev);
-
 	mgag200_set_format_regs(mdev, format);
 	mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
 
@@ -210,8 +207,8 @@ static void mgag200_g200ev_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 
 	mgag200_enable_display(mdev);
 
-	if (funcs->enable_vidrst)
-		funcs->enable_vidrst(mdev);
+	if (mdev->info->has_vidrst)
+		mgag200_bmc_enable_vidrst(mdev);
 }
 
 static const struct drm_crtc_helper_funcs mgag200_g200ev_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
index 839401e8b465..265f3e95830a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
@@ -146,8 +146,6 @@ static const struct mgag200_device_info mgag200_g200ew3_device_info =
 	MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, true, 0, 1, false);
 
 static const struct mgag200_device_funcs mgag200_g200ew3_device_funcs = {
-	.disable_vidrst = mgag200_bmc_disable_vidrst,
-	.enable_vidrst = mgag200_bmc_enable_vidrst,
 	.pixpllc_atomic_check = mgag200_g200ew3_pixpllc_atomic_check,
 	.pixpllc_atomic_update = mgag200_g200wb_pixpllc_atomic_update, // same as G200WB
 };
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c b/drivers/gpu/drm/mgag200/mgag200_g200se.c
index be4e124102c6..7a8099eb100c 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200se.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c
@@ -323,9 +323,6 @@ static void mgag200_g200se_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 	struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
 	const struct drm_format_info *format = mgag200_crtc_state->format;
 
-	if (funcs->disable_vidrst)
-		funcs->disable_vidrst(mdev);
-
 	mgag200_set_format_regs(mdev, format);
 	mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
 
@@ -341,8 +338,8 @@ static void mgag200_g200se_crtc_helper_atomic_enable(struct drm_crtc *crtc,
 
 	mgag200_enable_display(mdev);
 
-	if (funcs->enable_vidrst)
-		funcs->enable_vidrst(mdev);
+	if (mdev->info->has_vidrst)
+		mgag200_bmc_enable_vidrst(mdev);
 }
 
 static const struct drm_crtc_helper_funcs mgag200_g200se_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200wb.c b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
index 835df0f4fc13..e25477347c3e 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200wb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
@@ -280,8 +280,6 @@ static const struct mgag200_device_info mgag200_g200wb_device_info =
 	MGAG200_DEVICE_INFO_INIT(1280, 1024, 31877, true, 0, 1, false);
 
 static const struct mgag200_device_funcs mgag200_g200wb_device_funcs = {
-	.disable_vidrst = mgag200_bmc_disable_vidrst,
-	.enable_vidrst = mgag200_bmc_enable_vidrst,
 	.pixpllc_atomic_check = mgag200_g200wb_pixpllc_atomic_check,
 	.pixpllc_atomic_update = mgag200_g200wb_pixpllc_atomic_update,
 };
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index e746f365fecf..fcc10723d385 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -657,9 +657,6 @@ void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_
 	struct mgag200_crtc_state *mgag200_crtc_state = to_mgag200_crtc_state(crtc_state);
 	const struct drm_format_info *format = mgag200_crtc_state->format;
 
-	if (funcs->disable_vidrst)
-		funcs->disable_vidrst(mdev);
-
 	mgag200_set_format_regs(mdev, format);
 	mgag200_set_mode_regs(mdev, adjusted_mode, mgag200_crtc_state->set_vidrst);
 
@@ -673,22 +670,18 @@ void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_
 
 	mgag200_enable_display(mdev);
 
-	if (funcs->enable_vidrst)
-		funcs->enable_vidrst(mdev);
+	if (mdev->info->has_vidrst)
+		mgag200_bmc_enable_vidrst(mdev);
 }
 
 void mgag200_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *old_state)
 {
 	struct mga_device *mdev = to_mga_device(crtc->dev);
-	const struct mgag200_device_funcs *funcs = mdev->funcs;
 
-	if (funcs->disable_vidrst)
-		funcs->disable_vidrst(mdev);
+	if (mdev->info->has_vidrst)
+		mgag200_bmc_disable_vidrst(mdev);
 
 	mgag200_disable_display(mdev);
-
-	if (funcs->enable_vidrst)
-		funcs->enable_vidrst(mdev);
 }
 
 void mgag200_crtc_reset(struct drm_crtc *crtc)
