The drm_driver lastclose callback is called when the last userspace DRM client has closed. Call drm_fbdev_cma_restore_mode to restore the fbdev console otherwise the fbdev console will stop working.
Signed-off-by: Jonathan Liu net147@gmail.com --- drivers/gpu/drm/sun4i/sun4i_drv.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index abc7d8fe06b4..c434540d409c 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -25,12 +25,20 @@ #include "sun4i_framebuffer.h" #include "sun4i_tcon.h"
+static void sun4i_drm_lastclose(struct drm_device *dev) +{ + struct sun4i_drv *drv = dev->dev_private; + + drm_fbdev_cma_restore_mode(drv->fbdev); +} + DEFINE_DRM_GEM_CMA_FOPS(sun4i_drv_fops);
static struct drm_driver sun4i_drv_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC,
/* Generic Operations */ + .lastclose = sun4i_drm_lastclose, .fops = &sun4i_drv_fops, .name = "sun4i-drm", .desc = "Allwinner sun4i Display Engine",