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drm/rockchip: dw_hdmi: Do not leave clock enabled in error case

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[ Upstream commit c0cfbb122275da1b726481de5a8cffeb24e6322b ]

The driver returns an error when devm_phy_optional_get() fails leaving
the previously enabled clock turned on. Change order and enable the
clock only after the phy has been acquired.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220126145549.617165-3-s.hauer@pengutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sascha Hauer 2022-01-26 15:55:24 +01:00 • committed by Greg Kroah-Hartman
commit 8bf73d5ea9
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
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@ -528,13 +528,6 @@ 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;
}
hdmi->phy = devm_phy_optional_get(dev, "hdmi");
if (IS_ERR(hdmi->phy)) {
ret = PTR_ERR(hdmi->phy);
@ -543,6 +536,13 @@ 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);