drm: hdlcd: Update PM code to save/restore console.

Update the PM code to suspend/resume the fbdev_cma console.

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index 764d0c83710c..45b174fea36b 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -13,6 +13,7 @@
 #include <linux/spinlock.h>
 #include <linux/clk.h>
 #include <linux/component.h>
+#include <linux/console.h>
 #include <linux/list.h>
 #include <linux/of_graph.h>
 #include <linux/of_reserved_mem.h>
@@ -432,9 +433,11 @@ static int __maybe_unused hdlcd_pm_suspend(struct device *dev)
                 return 0;
 
         drm_kms_helper_poll_disable(drm);
+        drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 1);
 
         hdlcd->state = drm_atomic_helper_suspend(drm);
         if (IS_ERR(hdlcd->state)) {
+                drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0);
                 drm_kms_helper_poll_enable(drm);
                 return PTR_ERR(hdlcd->state);
         }
@@ -451,8 +454,8 @@ static int __maybe_unused hdlcd_pm_resume(struct device *dev)
                 return 0;
 
         drm_atomic_helper_resume(drm, hdlcd->state);
+        drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0);
         drm_kms_helper_poll_enable(drm);
-        pm_runtime_set_active(dev);
 
         return 0;
 }