[PATCH] drm/sun4i: rgb: add missing calls to drm_panel_{prepare, unprepare}
From: Jonathan Liu <hidden>
Date: 2016-08-30 06:55:31
Also in:
dri-devel, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for allwinner a10, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Chen-Yu Tsai, Linus Torvalds
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 <redacted> --- drivers/gpu/drm/sun4i/sun4i_rgb.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index f5bbac6..d6943e9 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c@@ -151,6 +151,7 @@ static void sun4i_rgb_encoder_enable(struct drm_encoder *encoder) DRM_DEBUG_DRIVER("Enabling RGB output\n"); + drm_panel_prepare(tcon->panel); drm_panel_enable(tcon->panel); sun4i_tcon_channel_enable(tcon, 0); }
@@ -165,6 +166,7 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder) sun4i_tcon_channel_disable(tcon, 0); drm_panel_disable(tcon->panel); + drm_panel_unprepare(tcon->panel); } static void sun4i_rgb_encoder_mode_set(struct drm_encoder *encoder,
--
2.9.3