AuxXxilium/linux_dsm_epyc7002
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drm/exynos/hdmi: add PHY power off signal handling

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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>
This commit is contained in:
Andrzej Hajda 2016-03-23 14:15:13 +01:00 committed by Inki Dae
parent 4677f51ade
commit 5dd45e2cd2
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/exynos/exynos_hdmi.c
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@ -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,