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authorDave Airlie <airlied@redhat.com>2018-12-13 02:55:05 +0300
committerDave Airlie <airlied@redhat.com>2018-12-13 02:55:13 +0300
commita805ce683f4cd7609730ee169dca38644b70e3fa (patch)
tree327084cb12181fc26992636cf66ab371613df6f3 /drivers
parent28adac6f74ef2b3dc0bd10df9fccb2e3d3e52acc (diff)
parenta0071bc455da7b830b9517058933a83eb6cc902a (diff)
downloadlinux-a805ce683f4cd7609730ee169dca38644b70e3fa.tar.xz
Merge branch 'mediatek-drm-fixes-4.20' of https://github.com/ckhu-mediatek/linux.git-tags into drm-fixes
Single bridge attachment fix. Signed-off-by: Dave Airlie <airlied@redhat.com> From: CK Hu <ck.hu@mediatek.com> Link: https://patchwork.freedesktop.org/patch/msgid/1544407975.18825.3.camel@mtksdaap41
Diffstat (limited to 'drivers')
-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)