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-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_drv.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index ffe5137ccaf8..68d79f5dc0d3 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -103,7 +103,9 @@ static void mxsfb_pipe_enable(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *plane_state)
{
struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
+ struct drm_device *drm = pipe->plane.dev;
+ pm_runtime_get_sync(drm->dev);
drm_panel_prepare(mxsfb->panel);
mxsfb_crtc_enable(mxsfb);
drm_panel_enable(mxsfb->panel);
@@ -112,10 +114,12 @@ static void mxsfb_pipe_enable(struct drm_simple_display_pipe *pipe,
static void mxsfb_pipe_disable(struct drm_simple_display_pipe *pipe)
{
struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
+ struct drm_device *drm = pipe->plane.dev;
drm_panel_disable(mxsfb->panel);
mxsfb_crtc_disable(mxsfb);
drm_panel_unprepare(mxsfb->panel);
+ pm_runtime_put_sync(drm->dev);
}
static void mxsfb_pipe_update(struct drm_simple_display_pipe *pipe,