linux-kernel - [PATCH 01/11] drm/mediatek: Get CMDQ client register for all ddp component

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Message-Id: <20201103003422.17838-2-chunkuang.hu@kernel.org>
Date:   Tue,  3 Nov 2020 08:34:12 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>
Subject: [PATCH 01/11] drm/mediatek: Get CMDQ client register for all ddp component

Only OVL, RDMA,and WDMA get CMDQ client register information,
but all ddp component should work with CMDQ, so get this
information for all ddp component.

Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 28 ++++++++++-----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 8eba44be3a8a..c17c0e4c030f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -506,6 +506,20 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
 	if (IS_ERR(comp->clk))
 		return PTR_ERR(comp->clk);
 
+#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);
+		return -EINVAL;
+	}
+	comp->regs_pa = res.start;
+
+	ret = cmdq_dev_get_client_reg(dev, &cmdq_reg, 0);
+	if (ret)
+		dev_dbg(dev, "get mediatek,gce-client-reg fail!\n");
+	else
+		comp->subsys = cmdq_reg.subsys;
+#endif
+
 	/* Only DMA capable components need the LARB property */
 	comp->larb_dev = NULL;
 	if (type != MTK_DISP_OVL &&
@@ -531,20 +545,6 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
 
 	comp->larb_dev = &larb_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;
-
-	ret = cmdq_dev_get_client_reg(dev, &cmdq_reg, 0);
-	if (ret)
-		dev_dbg(dev, "get mediatek,gce-client-reg fail!\n");
-	else
-		comp->subsys = cmdq_reg.subsys;
-#endif
 	return 0;
 }
 
-- 
2.17.1