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-rw-r--r--drivers/gpu/drm/sun4i/sun4i_lvds.c4
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_rgb.c4
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_tcon.c5
3 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_lvds.c b/drivers/gpu/drm/sun4i/sun4i_lvds.c
index af7dcb6da351..e7eb0d1e17be 100644
--- a/drivers/gpu/drm/sun4i/sun4i_lvds.c
+++ b/drivers/gpu/drm/sun4i/sun4i_lvds.c
@@ -75,7 +75,7 @@ static void sun4i_lvds_encoder_enable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Enabling LVDS output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_prepare(tcon->panel);
drm_panel_enable(tcon->panel);
}
@@ -88,7 +88,7 @@ static void sun4i_lvds_encoder_disable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Disabling LVDS output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_disable(tcon->panel);
drm_panel_unprepare(tcon->panel);
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index bf068da6b12e..f4a22689eb54 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -135,7 +135,7 @@ static void sun4i_rgb_encoder_enable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Enabling RGB output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_prepare(tcon->panel);
drm_panel_enable(tcon->panel);
}
@@ -148,7 +148,7 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Disabling RGB output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_disable(tcon->panel);
drm_panel_unprepare(tcon->panel);
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index c78cd35a1294..f949287d926c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -491,7 +491,8 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
sun4i_tcon0_mode_set_common(tcon, mode);
/* Set dithering if needed */
- sun4i_tcon0_mode_set_dithering(tcon, tcon->panel->connector);
+ if (tcon->panel)
+ sun4i_tcon0_mode_set_dithering(tcon, tcon->panel->connector);
/* Adjust clock delay */
clk_delay = sun4i_tcon_get_clk_delay(mode, 0);
@@ -555,7 +556,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
* Following code is a way to avoid quirks all around TCON
* and DOTCLOCK drivers.
*/
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
struct drm_panel *panel = tcon->panel;
struct drm_connector *connector = panel->connector;
struct drm_display_info display_info = connector->display_info;