[PATCH v1 10/15] drm/mediatek: add drm_device in RDMA for mamory mode to reaquest buffer

[Stu Hsieh]

If RDMA want to request gem buffer, it need to save the drm device.

Signed-off-by: Stu Hsieh <stu.hs...@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c 
b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 49edbae50167..8d41f5cd485b 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -72,6 +72,7 @@ struct mtk_disp_rdma {
        struct mtk_ddp_comp             ddp_comp;
        struct drm_crtc                 *crtc;
        const struct mtk_disp_rdma_data *data;
+       struct drm_device *drm_dev;
        bool rdma_memory_mode;
 };
 
@@ -240,6 +241,7 @@ static int mtk_disp_rdma_bind(struct device *dev, struct 
device *master,
 {
        struct mtk_disp_rdma *priv = dev_get_drvdata(dev);
        struct mtk_ddp_comp *comp = &priv->ddp_comp;
+       struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
        struct drm_device *drm_dev = data;
        int ret;
 
@@ -250,6 +252,7 @@ static int mtk_disp_rdma_bind(struct device *dev, struct 
device *master,
                return ret;
        }
 
+       rdma->drm_dev = drm_dev;
 
        comp->comp_mode = &priv->rdma_memory_mode;
 
-- 
2.12.5

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