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path: root/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
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Diffstat (limited to 'drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c')
-rw-r--r--drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
index 274558b3b32b..e50467a0deb0 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
@@ -217,6 +217,22 @@ static const u32 fsl_dcu_drm_plane_formats[] = {
DRM_FORMAT_YUV422,
};
+void fsl_dcu_drm_init_planes(struct drm_device *dev)
+{
+ struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
+ int i, j;
+
+ for (i = 0; i < fsl_dev->soc->total_layer; i++) {
+ for (j = 1; j <= fsl_dev->soc->layer_regs; j++)
+ regmap_write(fsl_dev->regmap, DCU_CTRLDESCLN(i, j), 0);
+ }
+ regmap_update_bits(fsl_dev->regmap, DCU_DCU_MODE,
+ DCU_MODE_DCU_MODE_MASK,
+ DCU_MODE_DCU_MODE(DCU_MODE_OFF));
+ regmap_write(fsl_dev->regmap, DCU_UPDATE_MODE,
+ DCU_UPDATE_MODE_READREG);
+}
+
struct drm_plane *fsl_dcu_drm_primary_create_plane(struct drm_device *dev)
{
struct drm_plane *primary;