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path: root/drivers/gpu/drm/mxsfb/mxsfb_kms.c
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Diffstat (limited to 'drivers/gpu/drm/mxsfb/mxsfb_kms.c')
-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_kms.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_kms.c b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
index 3bcc9c0f2019..7ed2516b6de0 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_kms.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
@@ -611,6 +611,14 @@ static void mxsfb_plane_overlay_atomic_update(struct drm_plane *plane,
writel(ctrl, mxsfb->base + LCDC_AS_CTRL);
}
+static void mxsfb_plane_overlay_atomic_disable(struct drm_plane *plane,
+ struct drm_atomic_state *state)
+{
+ struct mxsfb_drm_private *mxsfb = to_mxsfb_drm_private(plane->dev);
+
+ writel(0, mxsfb->base + LCDC_AS_CTRL);
+}
+
static bool mxsfb_format_mod_supported(struct drm_plane *plane,
uint32_t format,
uint64_t modifier)
@@ -626,6 +634,7 @@ static const struct drm_plane_helper_funcs mxsfb_plane_primary_helper_funcs = {
static const struct drm_plane_helper_funcs mxsfb_plane_overlay_helper_funcs = {
.atomic_check = mxsfb_plane_atomic_check,
.atomic_update = mxsfb_plane_overlay_atomic_update,
+ .atomic_disable = mxsfb_plane_overlay_atomic_disable,
};
static const struct drm_plane_funcs mxsfb_plane_funcs = {