Use CMA helper drm_fbdev_cma_restore_mode to restore fbdev mode
in process which uses drm/kms dies.
Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
---
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index f9227b7..ef41bde 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -168,6 +168,13 @@ static void fsl_dcu_drm_disable_vblank(struct drm_device *dev,
regmap_write(fsl_dev->regmap, DCU_INT_MASK, value);
}
+static void fsl_dcu_drm_lastclose(struct drm_device *dev)
+{
+ struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
+
+ drm_fbdev_cma_restore_mode(fsl_dev->fbdev);
+}
+
static const struct file_operations fsl_dcu_drm_fops = {
.owner = THIS_MODULE,
.open = drm_open,
@@ -185,6 +192,7 @@ static const struct file_operations fsl_dcu_drm_fops = {
static struct drm_driver fsl_dcu_drm_driver = {
.driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM | DRIVER_MODESET
| DRIVER_PRIME | DRIVER_ATOMIC,
+ .lastclose = fsl_dcu_drm_lastclose,
.load = fsl_dcu_load,
.unload = fsl_dcu_unload,
.irq_handler = fsl_dcu_drm_irq,
--
2.8.0
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