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drm/sun4i: rgb: Store the bridge pointer 

We'll need the bridge pointer, if any, in the mode_valid callback in
addition to the init function. Store the pointer to the bridge in the
rgb private structure.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2f16d70fb09613b3a030fd6a016343047d519d43.1551191081.git-series.maxime.ripard@bootlin.com
This commit is contained in:
Maxime Ripard 2019-02-26 15:25:47 +01:00
parent 1ce6f91c5f
commit 19d0ffe0ed
No known key found for this signature in database
GPG Key ID: E3EF0D6F671851C5
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/sun4i/sun4i_rgb.c
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@ -28,6 +28,7 @@ struct sun4i_rgb {
struct sun4i_tcon *tcon;
struct drm_panel *panel;
struct drm_bridge *bridge;
};
static inline struct sun4i_rgb *
@ -169,7 +170,6 @@ static struct drm_encoder_funcs sun4i_rgb_enc_funcs = {
int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
{
struct drm_encoder *encoder;
struct drm_bridge *bridge;
struct sun4i_rgb *rgb;
int ret;
@ -180,7 +180,7 @@ int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
encoder = &rgb->encoder;
ret = drm_of_find_panel_or_bridge(tcon->dev->of_node, 1, 0,
&rgb->panel, &bridge);
&rgb->panel, &rgb->bridge);
if (ret) {
dev_info(drm->dev, "No panel or bridge found... RGB output disabled\n");
return 0;
@ -222,8 +222,8 @@ int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
}
}
if (bridge) {
ret = drm_bridge_attach(encoder, bridge, NULL);
if (rgb->bridge) {
ret = drm_bridge_attach(encoder, rgb->bridge, NULL);
if (ret) {
dev_err(drm->dev, "Couldn't attach our bridge\n");
goto err_cleanup_connector;