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authorDave Airlie <airlied@redhat.com>2020-09-18 08:51:58 +1000
committerDave Airlie <airlied@redhat.com>2020-09-18 08:52:06 +1000
commit1f08fde70075784d28d1687d0e75871e81cc1173 (patch)
tree22cb91847bc5f7b942c141faa3a24ee753336b4e /drivers/gpu/drm/mediatek/mtk_drm_crtc.c
parentd7261b14ddc79b665acdc5fcad8eaf988e0025a8 (diff)
parent0680a622318b8d657323b94082f4b9a44038dfee (diff)
Merge tag 'mediatek-drm-fixes-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes
Mediatek DRM Fixes for Linux 5.9 1. Fix scrolling of panel 2. Remove duplicated include 3. Use CPU when fail to get cmdq event 4. Add missing put_device() call Signed-off-by: Dave Airlie <airlied@redhat.com> From: Chun-Kuang Hu <chunkuang.hu@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200916231724.30571-1-chunkuang.hu@kernel.org
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_crtc.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_crtc.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 3fc5511330b9..4d29568be3f5 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -831,13 +831,19 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
drm_crtc_index(&mtk_crtc->base));
mtk_crtc->cmdq_client = NULL;
}
- ret = of_property_read_u32_index(priv->mutex_node,
- "mediatek,gce-events",
- drm_crtc_index(&mtk_crtc->base),
- &mtk_crtc->cmdq_event);
- if (ret)
- dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n",
- drm_crtc_index(&mtk_crtc->base));
+
+ if (mtk_crtc->cmdq_client) {
+ ret = of_property_read_u32_index(priv->mutex_node,
+ "mediatek,gce-events",
+ drm_crtc_index(&mtk_crtc->base),
+ &mtk_crtc->cmdq_event);
+ if (ret) {
+ dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n",
+ drm_crtc_index(&mtk_crtc->base));
+ cmdq_mbox_destroy(mtk_crtc->cmdq_client);
+ mtk_crtc->cmdq_client = NULL;
+ }
+ }
#endif
return 0;
}