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path: root/drivers/gpu/drm/exynos/exynos_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_hdmi.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 8faf3151242a..3f1eb07e365c 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1754,6 +1754,8 @@ static void hdmi_enable(struct drm_encoder *encoder)
hdmi_set_refclk(hdata, true);
+ hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
+
hdmi_conf_apply(hdata);
hdata->powered = true;
@@ -1786,6 +1788,8 @@ static void hdmi_disable(struct drm_encoder *encoder)
cancel_delayed_work(&hdata->hotplug_work);
+ hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
+
hdmi_set_refclk(hdata, false);
regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,