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drm/mediatek: dp: Move PHY registration to new function

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[ Upstream commit 18ccc237cf ]

In preparation for adding support for eDP, move the PHY registration
code to a new mtk_dp_register_phy() function for better readability.

This commit brings no functional changes.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20230725073234.55892-9-angelogioacchino.delregno@collabora.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Stable-dep-of: 8431fff9e0f3 ("drm/mediatek: dp: Fix mtk_dp_aux_transfer return value")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
AngeloGioacchino Del Regno
2023-07-25 09:32:31 +02:00
committed by Greg Kroah-Hartman
parent 0f2c694d69
commit a5bd618458
1 changed files with 26 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/gpu/drm/mediatek/mtk_dp.c
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@@ -2490,6 +2490,29 @@ static int mtk_dp_register_audio_driver(struct device *dev)
return PTR_ERR_OR_ZERO(mtk_dp->audio_pdev); return PTR_ERR_OR_ZERO(mtk_dp->audio_pdev);
} }
static int mtk_dp_register_phy(struct mtk_dp *mtk_dp)
{
struct device *dev = mtk_dp->dev;
mtk_dp->phy_dev = platform_device_register_data(dev, "mediatek-dp-phy",
PLATFORM_DEVID_AUTO,
&mtk_dp->regs,
sizeof(struct regmap *));
if (IS_ERR(mtk_dp->phy_dev))
return dev_err_probe(dev, PTR_ERR(mtk_dp->phy_dev),
"Failed to create device mediatek-dp-phy\n");
mtk_dp_get_calibration_data(mtk_dp);
mtk_dp->phy = devm_phy_get(&mtk_dp->phy_dev->dev, "dp");
if (IS_ERR(mtk_dp->phy)) {
platform_device_unregister(mtk_dp->phy_dev);
return dev_err_probe(dev, PTR_ERR(mtk_dp->phy), "Failed to get phy\n");
}
return 0;
}
static int mtk_dp_probe(struct platform_device *pdev) static int mtk_dp_probe(struct platform_device *pdev)
{ {
struct mtk_dp *mtk_dp; struct mtk_dp *mtk_dp;
@@ -2547,23 +2570,9 @@ static int mtk_dp_probe(struct platform_device *pdev)
} }
} }
mtk_dp->phy_dev = platform_device_register_data(dev, "mediatek-dp-phy", ret = mtk_dp_register_phy(mtk_dp);
PLATFORM_DEVID_AUTO, if (ret)
&mtk_dp->regs, return ret;
sizeof(struct regmap *));
if (IS_ERR(mtk_dp->phy_dev))
return dev_err_probe(dev, PTR_ERR(mtk_dp->phy_dev),
"Failed to create device mediatek-dp-phy\n");
mtk_dp_get_calibration_data(mtk_dp);
mtk_dp->phy = devm_phy_get(&mtk_dp->phy_dev->dev, "dp");
if (IS_ERR(mtk_dp->phy)) {
platform_device_unregister(mtk_dp->phy_dev);
return dev_err_probe(dev, PTR_ERR(mtk_dp->phy),
"Failed to get phy\n");
}
mtk_dp->bridge.funcs = &mtk_dp_bridge_funcs; mtk_dp->bridge.funcs = &mtk_dp_bridge_funcs;
mtk_dp->bridge.of_node = dev->of_node; mtk_dp->bridge.of_node = dev->of_node;