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drm: exynos: dsi: Mark PHY as optional

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The same Samsung MIPI DSIM master can also be used in NXP's
i.MX8M Mini/Nano/Plus SoC.

In i.MX8M Mini/Nano/Plus SoC the DSI Phy requires a MIPI DPHY
bit to reset in order to activate the PHY and that can be done
via upstream i.MX8M blk-ctrl driver.

So, mark the phy get as optional.

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Jagan Teki
2023-03-08 22:09:40 +05:30
committed by Inki Dae
parent e39a82bf56
commit 9528af4afe
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/exynos/exynos_drm_dsi.c
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@@ -1732,7 +1732,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
if (IS_ERR(dsi->reg_base))
return PTR_ERR(dsi->reg_base);
dsi->phy = devm_phy_get(dev, "dsim");
dsi->phy = devm_phy_optional_get(dev, "dsim");
if (IS_ERR(dsi->phy)) {
dev_info(dev, "failed to get dsim phy\n");
return PTR_ERR(dsi->phy);