7 files changed, 23 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.h b/drivers/gpu/drm/i915/display/intel_bw.h
index 59cb4fc5db76..fa1e924ec961 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.h
+++ b/drivers/gpu/drm/i915/display/intel_bw.h
@@ -52,7 +52,8 @@ struct intel_bw_state {
 	u8 num_active_planes[I915_MAX_PIPES];
 };
 
-#define to_intel_bw_state(x) container_of((x), struct intel_bw_state, base)
+#define to_intel_bw_state(global_state) \
+	container_of_const((global_state), struct intel_bw_state, base)
 
 struct intel_bw_state *
 intel_atomic_get_old_bw_state(struct intel_atomic_state *state);
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h
index e358234bfe26..bc8f86e292d8 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.h
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -80,7 +80,9 @@ int intel_cdclk_state_set_joined_mbus(struct intel_atomic_state *state, bool joi
 struct intel_cdclk_state *
 intel_atomic_get_cdclk_state(struct intel_atomic_state *state);
 
-#define to_intel_cdclk_state(x) container_of((x), struct intel_cdclk_state, base)
+#define to_intel_cdclk_state(global_state) \
+	container_of_const((global_state), struct intel_cdclk_state, base)
+
 #define intel_atomic_get_old_cdclk_state(state) \
 	to_intel_cdclk_state(intel_atomic_get_old_global_obj_state(state, &to_i915(state->base.dev)->display.cdclk.obj))
 #define intel_atomic_get_new_cdclk_state(state) \
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index e67cd5b02e84..8b9860cefaae 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -661,7 +661,8 @@ struct intel_digital_connector_state {
 	int broadcast_rgb;
 };
 
-#define to_intel_digital_connector_state(x) container_of(x, struct intel_digital_connector_state, base)
+#define to_intel_digital_connector_state(conn_state) \
+	container_of_const((conn_state), struct intel_digital_connector_state, base)
 
 struct dpll {
 	/* given values */
@@ -1617,12 +1618,17 @@ struct intel_watermark_params {
 
 #define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base)
 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
-#define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, uapi)
 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
-#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
-#define to_intel_plane_state(x) container_of(x, struct intel_plane_state, uapi)
+
+#define to_intel_crtc_state(crtc_state) \
+	container_of_const((crtc_state), struct intel_crtc_state, uapi)
+#define to_intel_plane_state(plane_state) \
+	container_of_const((plane_state), struct intel_plane_state, uapi)
+#define to_intel_framebuffer(fb) \
+	container_of_const((fb), struct intel_framebuffer, base)
+
 #define intel_fb_obj(x) ((x) ? to_intel_bo((x)->obj[0]) : NULL)
 
 struct intel_hdmi {
diff --git a/drivers/gpu/drm/i915/display/intel_pmdemand.h b/drivers/gpu/drm/i915/display/intel_pmdemand.h
index 2941a1a18b72..128fd61f8f14 100644
--- a/drivers/gpu/drm/i915/display/intel_pmdemand.h
+++ b/drivers/gpu/drm/i915/display/intel_pmdemand.h
@@ -43,9 +43,8 @@ struct intel_pmdemand_state {
 	struct pmdemand_params params;
 };
 
-#define to_intel_pmdemand_state(x) container_of((x), \
-						struct intel_pmdemand_state, \
-						base)
+#define to_intel_pmdemand_state(global_state) \
+	container_of_const((global_state), struct intel_pmdemand_state, base)
 
 void intel_pmdemand_init_early(struct drm_i915_private *i915);
 int intel_pmdemand_init(struct drm_i915_private *i915);
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 0cd9c183f621..2b00ca44c14c 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -193,7 +193,7 @@ to_intel_sdvo_connector(struct drm_connector *connector)
 }
 
 #define to_intel_sdvo_connector_state(conn_state) \
-	container_of((conn_state), struct intel_sdvo_connector_state, base.base)
+	container_of_const((conn_state), struct intel_sdvo_connector_state, base.base)
 
 static bool
 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo);
diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c
index 2b77d399f1a1..ba5d2b7174b7 100644
--- a/drivers/gpu/drm/i915/display/intel_tv.c
+++ b/drivers/gpu/drm/i915/display/intel_tv.c
@@ -885,7 +885,8 @@ struct intel_tv_connector_state {
 	bool bypass_vfilter;
 };
 
-#define to_intel_tv_connector_state(x) container_of(x, struct intel_tv_connector_state, base)
+#define to_intel_tv_connector_state(conn_state) \
+	container_of_const((conn_state), struct intel_tv_connector_state, base)
 
 static struct drm_connector_state *
 intel_tv_connector_duplicate_state(struct drm_connector *connector)
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.h b/drivers/gpu/drm/i915/display/skl_watermark.h
index 3a90741cab06..bf7516620ab6 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.h
+++ b/drivers/gpu/drm/i915/display/skl_watermark.h
@@ -65,7 +65,9 @@ struct intel_dbuf_state {
 struct intel_dbuf_state *
 intel_atomic_get_dbuf_state(struct intel_atomic_state *state);
 
-#define to_intel_dbuf_state(x) container_of((x), struct intel_dbuf_state, base)
+#define to_intel_dbuf_state(global_state) \
+	container_of_const((global_state), struct intel_dbuf_state, base)
+
 #define intel_atomic_get_old_dbuf_state(state) \
 	to_intel_dbuf_state(intel_atomic_get_old_global_obj_state(state, &to_i915(state->base.dev)->display.dbuf.obj))
 #define intel_atomic_get_new_dbuf_state(state) \