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drm/sun4i: rgb: add missing calls to drm_panel_{prepare,unprepare}

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If the enable-gpios property of a simple panel in device tree is set,
the GPIO is not toggled on/off because of missing calls to
drm_panel_prepare and drm_panel_unprepare.

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Jonathan Liu 2016-08-30 16:55:00 +10:00 committed by Maxime Ripard
parent af346f5570
commit 4b30950252
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/sun4i/sun4i_rgb.c
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@ -151,8 +151,10 @@ static void sun4i_rgb_encoder_enable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Enabling RGB output\n");
if (!IS_ERR(tcon->panel))
if (!IS_ERR(tcon->panel)) {
drm_panel_prepare(tcon->panel);
drm_panel_enable(tcon->panel);
}
if (!IS_ERR(encoder->bridge))
drm_bridge_enable(encoder->bridge);
@ -173,8 +175,10 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder)
if (!IS_ERR(encoder->bridge))
drm_bridge_disable(encoder->bridge);
if (!IS_ERR(tcon->panel))
if (!IS_ERR(tcon->panel)) {
drm_panel_disable(tcon->panel);
drm_panel_unprepare(tcon->panel);
}
}
static void sun4i_rgb_encoder_mode_set(struct drm_encoder *encoder,