From: Jagan Teki Date: Wed, 8 Mar 2023 16:39:40 +0000 (+0530) Subject: drm: exynos: dsi: Mark PHY as optional X-Git-Tag: v6.4-rc1~162^2~16^2~13 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9528af4afe5e35817e1c698f0ad84070d86632cd;p=thirdparty%2Fkernel%2Flinux.git drm: exynos: dsi: Mark PHY as optional 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 Reviewed-by: Frieder Schrempf Reviewed-by: Marek Vasut Signed-off-by: Jagan Teki Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index bb0d2502ea02d..1615640e25d63 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -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);