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drm/rockchip: dw-hdmi: Fix hdmi timing err when switch color mode

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When switch color new hdmi phy config may not be set because hdmi phy
is already on in upstream code.
So we should power down hdmi phy first before power on hdmi phy when
set new hdmi phy config.

Change-Id: Icb1cf29931f1084cc70b0b320137260491497771
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
This commit is contained in:
Algea Cao
2019-08-16 11:25:23 +08:00
committed by Tao Huang
parent ac488736d3
commit bca2b269ae
1 changed files with 11 additions and 6 deletions
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17
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
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@@ -933,20 +933,25 @@ static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_fun
.mode_set = dw_hdmi_rockchip_encoder_mode_set,
};
static int dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data,
const struct drm_display_info *display,
const struct drm_display_mode *mode)
static void
dw_hdmi_rockchip_genphy_disable(struct dw_hdmi *dw_hdmi, void *data)
{
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
return phy_power_on(hdmi->phy);
while (hdmi->phy->power_count > 0)
phy_power_off(hdmi->phy);
}
static void dw_hdmi_rockchip_genphy_disable(struct dw_hdmi *dw_hdmi, void *data)
static int
dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data,
const struct drm_display_info *display,
const struct drm_display_mode *mode)
{
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
phy_power_off(hdmi->phy);
dw_hdmi_rockchip_genphy_disable(dw_hdmi, data);
dw_hdmi_set_high_tmds_clock_ratio(dw_hdmi, display);
return phy_power_on(hdmi->phy);
}
static void dw_hdmi_rk3228_setup_hpd(struct dw_hdmi *dw_hdmi, void *data)