Driver tries to disable sclk_hdmi during re-parenting, to avoid possible
glitches. It is ineffective as the clock is used also by other devices (mixer).
Anyway driver works without disabling sclk_hdmi.
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_hdmi.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 583dd5e..475341f 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1569,9 +1569,7 @@ static void hdmi_mode_apply(struct hdmi_context *hdata)
hdmiphy_wait_for_pll(hdata);
- clk_disable_unprepare(hdata->res.sclk_hdmi);
clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);
- clk_prepare_enable(hdata->res.sclk_hdmi);
/* enable HDMI and timing generator */
hdmi_start(hdata, true);
@@ -1579,9 +1577,7 @@ static void hdmi_mode_apply(struct hdmi_context *hdata)
static void hdmiphy_conf_reset(struct hdmi_context *hdata)
{
- clk_disable_unprepare(hdata->res.sclk_hdmi);
clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel);
- clk_prepare_enable(hdata->res.sclk_hdmi);
/* reset hdmiphy */
hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
--
1.9.1
--
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