diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c
index 3abb400151acaf304652044013f55fd0091e6428..4e990299735c0fa1de0b049ee949f8843a416e23 100644
--- a/drivers/gpu/drm/sti/sti_cursor.c
+++ b/drivers/gpu/drm/sti/sti_cursor.c
@@ -6,6 +6,8 @@
  * License terms:  GNU General Public License (GPL), version 2
  */
 
+#include <linux/seq_file.h>
+
 #include <drm/drm_atomic.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem_cma_helper.h>
diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index ff3d3e7e770418f2830a474ab03793020161ab39..ff33c38da197be7a0ac63e0691119dbb2f6cd509 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -5,6 +5,7 @@
  *          for STMicroelectronics.
  * License terms:  GNU General Public License (GPL), version 2
  */
+#include <linux/seq_file.h>
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_fb_cma_helper.h>
diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
index ec0d017eaf1a58b6c57555173898e3af9a5cfc4e..f7d3464cdf09af71c984dfa1858f4fe8b5979ab8 100644
--- a/drivers/gpu/drm/sti/sti_hda.c
+++ b/drivers/gpu/drm/sti/sti_hda.c
@@ -8,6 +8,7 @@
 #include <linux/component.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/seq_file.h>
 
 #include <drm/drmP.h>
 #include <drm/drm_atomic_helper.h>
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
index e05b0dc523ff93f3309c2aea9c2de032e7971636..1edec29b9e45b70f596060304526840e174b9fd4 100644
--- a/drivers/gpu/drm/sti/sti_hqvdp.c
+++ b/drivers/gpu/drm/sti/sti_hqvdp.c
@@ -7,6 +7,7 @@
 #include <linux/component.h>
 #include <linux/firmware.h>
 #include <linux/reset.h>
+#include <linux/seq_file.h>
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_fb_cma_helper.h>
diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
index e7425c38fc938a622df224fde2e5efbc291747ef..aed7801b51f714702bc20f2cdef10be16e2aefeb 100644
--- a/drivers/gpu/drm/sti/sti_mixer.c
+++ b/drivers/gpu/drm/sti/sti_mixer.c
@@ -5,6 +5,7 @@
  *          for STMicroelectronics.
  * License terms:  GNU General Public License (GPL), version 2
  */
+#include <linux/seq_file.h>
 
 #include "sti_compositor.h"
 #include "sti_mixer.h"
diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c
index 2c99016443e58ec1179e1a93c06368ad04befc2d..f983db5a59da1f33fbdc349ac896435a151cc2e1 100644
--- a/drivers/gpu/drm/sti/sti_tvout.c
+++ b/drivers/gpu/drm/sti/sti_tvout.c
@@ -12,6 +12,7 @@
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/reset.h>
+#include <linux/seq_file.h>
 
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c
index 5a2c5dc3687b0c901b5f6f05436fea04ca2b5815..523ed19f5ac6351408c73acff5287da9284af5a6 100644
--- a/drivers/gpu/drm/sti/sti_vid.c
+++ b/drivers/gpu/drm/sti/sti_vid.c
@@ -3,6 +3,7 @@
  * Author: Fabien Dessenne <fabien.dessenne@st.com> for STMicroelectronics.
  * License terms:  GNU General Public License (GPL), version 2
  */
+#include <linux/seq_file.h>
 
 #include <drm/drmP.h>