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path: root/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
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Diffstat (limited to 'drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c')
-rw-r--r--drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 1eb02a82fd91..11309a2a4e43 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -48,6 +48,7 @@ struct rockchip_hdmi {
const struct rockchip_hdmi_chip_data *chip_data;
struct clk *vpll_clk;
struct clk *grf_clk;
+ struct dw_hdmi *hdmi;
};
#define to_rockchip_hdmi(x) container_of(x, struct rockchip_hdmi, x)
@@ -164,7 +165,6 @@ static const struct dw_hdmi_phy_config rockchip_phy_config[] = {
static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
{
struct device_node *np = hdmi->dev->of_node;
- int ret;
hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
if (IS_ERR(hdmi->regmap)) {
@@ -192,13 +192,6 @@ static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
return PTR_ERR(hdmi->grf_clk);
}
- ret = clk_prepare_enable(hdmi->vpll_clk);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev,
- "Failed to enable HDMI vpll: %d\n", ret);
- return ret;
- }
-
return 0;
}
@@ -373,18 +366,30 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
return ret;
}
+ ret = clk_prepare_enable(hdmi->vpll_clk);
+ if (ret) {
+ DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
+ ret);
+ return ret;
+ }
+
drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
drm_encoder_init(drm, encoder, &dw_hdmi_rockchip_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
- ret = dw_hdmi_bind(pdev, encoder, plat_data);
+ platform_set_drvdata(pdev, hdmi);
+
+ hdmi->hdmi = dw_hdmi_bind(pdev, encoder, plat_data);
/*
* If dw_hdmi_bind() fails we'll never call dw_hdmi_unbind(),
* which would have called the encoder cleanup. Do it manually.
*/
- if (ret)
+ if (IS_ERR(hdmi->hdmi)) {
+ ret = PTR_ERR(hdmi->hdmi);
drm_encoder_cleanup(encoder);
+ clk_disable_unprepare(hdmi->vpll_clk);
+ }
return ret;
}
@@ -392,7 +397,10 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
static void dw_hdmi_rockchip_unbind(struct device *dev, struct device *master,
void *data)
{
- return dw_hdmi_unbind(dev);
+ struct rockchip_hdmi *hdmi = dev_get_drvdata(dev);
+
+ dw_hdmi_unbind(hdmi->hdmi);
+ clk_disable_unprepare(hdmi->vpll_clk);
}
static const struct component_ops dw_hdmi_rockchip_ops = {