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authorNicolas Boichat <drinkcat@chromium.org>2018-11-26 12:07:37 +0800
committerCK Hu <ck.hu@mediatek.com>2018-12-03 11:08:22 +0800
commita0071bc455da7b830b9517058933a83eb6cc902a (patch)
tree68bb0d9bcfd3bfcf9c2803185f4cd23224ff7b8f /drivers/gpu/drm/mediatek/mtk_dsi.c
parent651022382c7f8da46cb4872a545ee1da6d097d2a (diff)
drm/mediatek: Only try to attach bridge if there is one
Even if dsi->bridge is NULL, we still try to call drm_bridge_attach, and print out an error message, before creating the connector. When no bridge is provided, let's skip these 2 steps and directly create the connector. Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Signed-off-by: CK Hu <ck.hu@mediatek.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dsi.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dsi.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 66df1b177959..27b507eb4a99 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -818,10 +818,13 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi)
dsi->encoder.possible_crtcs = 1;
/* If there's a bridge, attach to it and let it create the connector */
- ret = drm_bridge_attach(&dsi->encoder, dsi->bridge, NULL);
- if (ret) {
- DRM_ERROR("Failed to attach bridge to drm\n");
-
+ if (dsi->bridge) {
+ ret = drm_bridge_attach(&dsi->encoder, dsi->bridge, NULL);
+ if (ret) {
+ DRM_ERROR("Failed to attach bridge to drm\n");
+ goto err_encoder_cleanup;
+ }
+ } else {
/* Otherwise create our own connector and attach to a panel */
ret = mtk_dsi_create_connector(drm, dsi);
if (ret)