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| author |   Phong LE <ple@baylibre.com> | 2020-02-19 15:13:24 +0100 |
|---|---|---|
| committer |   CK Hu <ck.hu@mediatek.com> | 2020-02-25 13:02:22 +0800 |
| commit | 3d2ed431b8f39483477bc3c3a2aefbc9778ffe12 (patch) | |
| tree | 3d31c1901508015bdb8f7869ffcd41079a8dbeae /drivers/gpu | |
| parent | drm/mediatek: Make sure previous message done or be aborted before send (diff) | |
| download | linux-dev-3d2ed431b8f39483477bc3c3a2aefbc9778ffe12.tar.xz linux-dev-3d2ed431b8f39483477bc3c3a2aefbc9778ffe12.zip | |
drm/mediatek: Handle component type MTK_DISP_OVL_2L correctly
The larb device remains NULL if the type is MTK_DISP_OVL_2L.
A kernel panic is raised when a crtc uses mtk_smi_larb_get or
mtk_smi_larb_put.
Fixes: b17bdd0d7a73 ("drm/mediatek: add component OVL_2L0")
Signed-off-by: Phong LE <ple@baylibre.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 1f5a112bb034..57c88de9a329 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -471,6 +471,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, /* Only DMA capable components need the LARB property */ comp->larb_dev = NULL; if (type != MTK_DISP_OVL && + type != MTK_DISP_OVL_2L && type != MTK_DISP_RDMA && type != MTK_DISP_WDMA) return 0; |