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authorJonathan Liu <net147@gmail.com>2016-09-26 20:21:45 +1000
committerMaxime Ripard <maxime.ripard@free-electrons.com>2016-10-16 14:32:23 +0200
commit5647b25c3335a25ba32d73e61850a374a708788a (patch)
treef9976bba0e40039c1532dc6bcf636866ae7496a8 /drivers/gpu/drm/sun4i
parent1001354ca34179f3db924eb66672442a173147dc (diff)
downloadtalos-op-linux-5647b25c3335a25ba32d73e61850a374a708788a.tar.gz
talos-op-linux-5647b25c3335a25ba32d73e61850a374a708788a.zip
drm/sun4i: rgb: Enable panel after controller
The panel should be enabled after the controller so that we do not have visual glitches on the panel while the controller is setup. Similarly, the panel should be disabled before the controller. Signed-off-by: Jonathan Liu <net147@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'drivers/gpu/drm/sun4i')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_rgb.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index c3ff10f559cc..4e4bea6f395c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -152,15 +152,16 @@ 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);
- }
/* encoder->bridge can be NULL; drm_bridge_enable checks for it */
drm_bridge_enable(encoder->bridge);
sun4i_tcon_channel_enable(tcon, 0);
+
+ if (!IS_ERR(tcon->panel))
+ drm_panel_enable(tcon->panel);
}
static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder)
@@ -171,15 +172,16 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Disabling RGB output\n");
+ if (!IS_ERR(tcon->panel))
+ drm_panel_disable(tcon->panel);
+
sun4i_tcon_channel_disable(tcon, 0);
/* encoder->bridge can be NULL; drm_bridge_disable checks for it */
drm_bridge_disable(encoder->bridge);
- if (!IS_ERR(tcon->panel)) {
- drm_panel_disable(tcon->panel);
+ if (!IS_ERR(tcon->panel))
drm_panel_unprepare(tcon->panel);
- }
}
static void sun4i_rgb_encoder_mode_set(struct drm_encoder *encoder,
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