diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2016-03-23 13:15:13 (GMT) |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2016-04-29 16:03:54 (GMT) |
| commit | 5dd45e2cd2470dc91c1af8548eaa266796d9cf8c (patch) | |
| tree | f6cb7ca569cef0237f43120feed2adc41cf200dd /drivers/gpu/drm/exynos | |
| parent | 4677f51ade432987f01062abad9e4cf60fd33f7d (diff) | |
| download | linux-5dd45e2cd2470dc91c1af8548eaa266796d9cf8c.tar.xz | |
drm/exynos/hdmi: add PHY power off signal handling
HDMI-PHY power off bit defaults to 0 in older HDMI versions.
In case of Exynos5433 it defaults to 1. To make code
consistent across all versions this bit is always unset/set in
power on/off sequences.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 4 |
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 8faf315..3f1eb07 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, |