diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c
index 35fcf6b..063825f 100644
--- a/drivers/gpu/drm/imx/dw_hdmi-imx.c
+++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c
@@ -137,7 +137,7 @@ static void dw_hdmi_imx_encoder_prepare(struct drm_encoder *encoder)
 	imx_drm_set_bus_format(encoder, MEDIA_BUS_FMT_RGB888_1X24);
 }
 
-static struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = {
+static const struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = {
 	.mode_fixup = dw_hdmi_imx_encoder_mode_fixup,
 	.mode_set   = dw_hdmi_imx_encoder_mode_set,
 	.prepare    = dw_hdmi_imx_encoder_prepare,
@@ -145,7 +145,7 @@ static struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = {
 	.disable    = dw_hdmi_imx_encoder_disable,
 };
 
-static struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = {
+static const struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = {
 	.destroy = drm_encoder_cleanup,
 };
 
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 303a673..7be7ac8 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -214,7 +214,7 @@ static void imx_drm_output_poll_changed(struct drm_device *drm)
 	drm_fbdev_cma_hotplug_event(imxdrm->fbhelper);
 }
 
-static struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
+static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
 	.fb_create = drm_fb_cma_create,
 	.output_poll_changed = imx_drm_output_poll_changed,
 };
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index c79a61b..22ac482 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -358,23 +358,23 @@ static void imx_ldb_encoder_disable(struct drm_encoder *encoder)
 	drm_panel_unprepare(imx_ldb_ch->panel);
 }
 
-static struct drm_connector_funcs imx_ldb_connector_funcs = {
+static const struct drm_connector_funcs imx_ldb_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.detect = imx_ldb_connector_detect,
 	.destroy = imx_drm_connector_destroy,
 };
 
-static struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = {
+static const struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = {
 	.get_modes = imx_ldb_connector_get_modes,
 	.best_encoder = imx_ldb_connector_best_encoder,
 };
 
-static struct drm_encoder_funcs imx_ldb_encoder_funcs = {
+static const struct drm_encoder_funcs imx_ldb_encoder_funcs = {
 	.destroy = imx_drm_encoder_destroy,
 };
 
-static struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = {
+static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = {
 	.dpms = imx_ldb_encoder_dpms,
 	.mode_fixup = imx_ldb_encoder_mode_fixup,
 	.prepare = imx_ldb_encoder_prepare,
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index e61a8fc..292349f 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -360,24 +360,24 @@ static void imx_tve_encoder_disable(struct drm_encoder *encoder)
 	tve_disable(tve);
 }
 
-static struct drm_connector_funcs imx_tve_connector_funcs = {
+static const struct drm_connector_funcs imx_tve_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.detect = imx_tve_connector_detect,
 	.destroy = imx_drm_connector_destroy,
 };
 
-static struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = {
+static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = {
 	.get_modes = imx_tve_connector_get_modes,
 	.best_encoder = imx_tve_connector_best_encoder,
 	.mode_valid = imx_tve_connector_mode_valid,
 };
 
-static struct drm_encoder_funcs imx_tve_encoder_funcs = {
+static const struct drm_encoder_funcs imx_tve_encoder_funcs = {
 	.destroy = imx_drm_encoder_destroy,
 };
 
-static struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
+static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
 	.dpms = imx_tve_encoder_dpms,
 	.mode_fixup = imx_tve_encoder_mode_fixup,
 	.prepare = imx_tve_encoder_prepare,
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 4ab841e..30a5718 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -270,7 +270,7 @@ static void ipu_crtc_commit(struct drm_crtc *crtc)
 	ipu_fb_enable(ipu_crtc);
 }
 
-static struct drm_crtc_helper_funcs ipu_helper_funcs = {
+static const struct drm_crtc_helper_funcs ipu_helper_funcs = {
 	.dpms = ipu_crtc_dpms,
 	.mode_fixup = ipu_crtc_mode_fixup,
 	.mode_set = ipu_crtc_mode_set,
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index fcbe4d2..b74bf8e 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -148,23 +148,23 @@ static void imx_pd_encoder_disable(struct drm_encoder *encoder)
 	drm_panel_unprepare(imxpd->panel);
 }
 
-static struct drm_connector_funcs imx_pd_connector_funcs = {
+static const struct drm_connector_funcs imx_pd_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.detect = imx_pd_connector_detect,
 	.destroy = imx_drm_connector_destroy,
 };
 
-static struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
+static const struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
 	.get_modes = imx_pd_connector_get_modes,
 	.best_encoder = imx_pd_connector_best_encoder,
 };
 
-static struct drm_encoder_funcs imx_pd_encoder_funcs = {
+static const struct drm_encoder_funcs imx_pd_encoder_funcs = {
 	.destroy = imx_drm_encoder_destroy,
 };
 
-static struct drm_encoder_helper_funcs imx_pd_encoder_helper_funcs = {
+static const struct drm_encoder_helper_funcs imx_pd_encoder_helper_funcs = {
 	.dpms = imx_pd_encoder_dpms,
 	.mode_fixup = imx_pd_encoder_mode_fixup,
 	.prepare = imx_pd_encoder_prepare,
