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Commit 59956d35 authored by Rahul Sharma's avatar Rahul Sharma Committed by Inki Dae
Browse files

drm/exynos: add mout_hdmi clock in hdmi driver to change parent 



HDMI driver needs to configure the mout_hdmi mux clock to change
the parent between sclk_hdmiphy and sclk_pixel.

Signed-off-by: default avatarRahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 0bfb1f8b

drivers/gpu/drm/exynos/exynos_hdmi.c

+10 −4
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@ struct hdmi_resources { 
	struct clk			*sclk_pixel;

	struct clk			*sclk_hdmiphy;

	struct clk			*hdmiphy;

	struct clk			*mout_hdmi;

	struct regulator_bulk_data	*regul_bulk;

	int				regul_count;

};
@@ -1112,7 +1113,7 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata) 
	}



	clk_disable_unprepare(hdata->res.sclk_hdmi);

	clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy);

	clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);

	clk_prepare_enable(hdata->res.sclk_hdmi);



	/* enable HDMI and timing generator */
@@ -1279,7 +1280,7 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata) 
	}



	clk_disable_unprepare(hdata->res.sclk_hdmi);

	clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy);

	clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);

	clk_prepare_enable(hdata->res.sclk_hdmi);



	/* enable HDMI and timing generator */
@@ -1305,7 +1306,7 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata) 
	u32 reg;



	clk_disable_unprepare(hdata->res.sclk_hdmi);

	clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_pixel);

	clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel);

	clk_prepare_enable(hdata->res.sclk_hdmi);



	/* operation mode */
@@ -1812,8 +1813,13 @@ static int hdmi_resources_init(struct hdmi_context *hdata) 
		DRM_ERROR("failed to get clock 'hdmiphy'\n");

		goto fail;

	}

	res->mout_hdmi = devm_clk_get(dev, "mout_hdmi");

	if (IS_ERR(res->mout_hdmi)) {

		DRM_ERROR("failed to get clock 'mout_hdmi'\n");

		goto fail;

	}



	clk_set_parent(res->sclk_hdmi, res->sclk_pixel);

	clk_set_parent(res->mout_hdmi, res->sclk_pixel);



	res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) *

		sizeof(res->regul_bulk[0]), GFP_KERNEL);