Some ddp component use mmsys device pointer to get CMDQ client
register, this would get mmsys' CMDQ client register, so use
each ddp component's device pointer to get.

Signed-off-by: Chun-Kuang Hu <[email protected]>
---
 drivers/gpu/drm/mediatek/mtk_disp_color.c   |  2 +-
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c     |  2 +-
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c    |  2 +-
 drivers/gpu/drm/mediatek/mtk_dpi.c          |  2 +-
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 15 +++++++++++----
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  5 ++---
 drivers/gpu/drm/mediatek/mtk_drm_drv.c      |  2 +-
 drivers/gpu/drm/mediatek/mtk_dsi.c          |  2 +-
 8 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_color.c 
b/drivers/gpu/drm/mediatek/mtk_disp_color.c
index 6048cbc9f0ec..6ee4515dc272 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_color.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_color.c
@@ -118,7 +118,7 @@ static int mtk_disp_color_probe(struct platform_device 
*pdev)
                return comp_id;
        }
 
-       ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
+       ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id,
                                &mtk_disp_color_funcs);
        if (ret) {
                if (ret != -EPROBE_DEFER)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c 
b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 74ef6fc0528b..f8e99d67132d 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -384,7 +384,7 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
                return comp_id;
        }
 
-       ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
+       ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id,
                                &mtk_disp_ovl_funcs);
        if (ret) {
                if (ret != -EPROBE_DEFER)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c 
b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index d46b8ae1d080..a3c487ea8344 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -292,7 +292,7 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
                return comp_id;
        }
 
-       ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
+       ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id,
                                &mtk_disp_rdma_funcs);
        if (ret) {
                if (ret != -EPROBE_DEFER)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c 
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index cf11c4850b40..6852b76fa583 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -784,7 +784,7 @@ static int mtk_dpi_probe(struct platform_device *pdev)
                return comp_id;
        }
 
-       ret = mtk_ddp_comp_init(dev, dev->of_node, &dpi->ddp_comp, comp_id,
+       ret = mtk_ddp_comp_init(dev->of_node, &dpi->ddp_comp, comp_id,
                                &mtk_dpi_funcs);
        if (ret) {
                dev_err(dev, "Failed to initialize component: %d\n", ret);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c 
b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index cab53431ceec..1730b3ddef70 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -465,10 +465,11 @@ unsigned int mtk_drm_find_possible_crtc_by_comp(struct 
drm_device *drm,
        return ret;
 }
 
-int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
-                     struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
-                     const struct mtk_ddp_comp_funcs *funcs)
+int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
+                     enum mtk_ddp_comp_id comp_id, const struct 
mtk_ddp_comp_funcs *funcs)
 {
+       struct platform_device *comp_pdev;
+       struct device *dev;
        enum mtk_ddp_comp_type type;
        struct device_node *larb_node;
        struct platform_device *larb_pdev;
@@ -506,10 +507,16 @@ int mtk_ddp_comp_init(struct device *dev, struct 
device_node *node,
        if (IS_ERR(comp->clk))
                return PTR_ERR(comp->clk);
 
+       comp_pdev = of_find_device_by_node(node);
+       if (!comp_pdev) {
+               DRM_INFO("Waiting for device %s\n", node->full_name);
+               return -EPROBE_DEFER;
+       }
+       dev = &comp_pdev->dev;
+
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
        if (of_address_to_resource(node, 0, &res) != 0) {
                dev_err(dev, "Missing reg in %s node\n", node->full_name);
-               put_device(&larb_pdev->dev);
                return -EINVAL;
        }
        comp->regs_pa = res.start;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h 
b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 1d9e00b69462..3bd6012d0746 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -204,9 +204,8 @@ int mtk_ddp_comp_get_id(struct device_node *node,
                        enum mtk_ddp_comp_type comp_type);
 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
                                                struct mtk_ddp_comp ddp_comp);
-int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
-                     struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
-                     const struct mtk_ddp_comp_funcs *funcs);
+int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
+                     enum mtk_ddp_comp_id comp_id, const struct 
mtk_ddp_comp_funcs *funcs);
 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp 
*comp);
 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c 
b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index b59c5df3b5b4..51ca3eb55214 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -512,7 +512,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
                                goto err_node;
                        }
 
-                       ret = mtk_ddp_comp_init(dev->parent, node, comp,
+                       ret = mtk_ddp_comp_init(node, comp,
                                                comp_id, NULL);
                        if (ret) {
                                of_node_put(node);
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c 
b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 4a188a942c38..86109698f19c 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -1114,7 +1114,7 @@ static int mtk_dsi_probe(struct platform_device *pdev)
                goto err_unregister_host;
        }
 
-       ret = mtk_ddp_comp_init(dev, dev->of_node, &dsi->ddp_comp, comp_id,
+       ret = mtk_ddp_comp_init(dev->of_node, &dsi->ddp_comp, comp_id,
                                &mtk_dsi_funcs);
        if (ret) {
                dev_err(dev, "Failed to initialize component: %d\n", ret);
-- 
2.17.1

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