drm/sun4i: Store TCON's device structure pointer

We will need to access TCON's struct device from outside of TCON's driver
bind function. Store it in our private structure.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 652385f..af136df 100644 (file)
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -446,6 +446,7 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
        dev_set_drvdata(dev, tcon);
        drv->tcon = tcon;
        tcon->drm = drm;
+       tcon->dev = dev;
 
        if (of_device_is_compatible(dev->of_node, "allwinner,sun5i-a13-tcon"))
                tcon->has_mux = true;

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
index 0e0b11d..230550b 100644 (file)
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
@@ -143,6 +143,7 @@
 #define SUN4I_TCON_MAX_CHANNELS                2
 
 struct sun4i_tcon {
+       struct device                   *dev;
        struct drm_device               *drm;
        struct regmap                   *regs;