From: zain wang Date: Mon, 5 Mar 2018 09:57:39 +0100 Subject: drm/bridge: analogix_dp: Don't power bridge in analogix_dp_bind MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Git-commit: ea2a14da0f191e93c0924acb4ab8a9009e33de81 Patch-mainline: v4.17-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 The bridge does not need to be powered in analogix_dp_bind(), so remove the calls to pm_runtime_get()/phy_power_on()/analogix_dp_init_dp() as well as their power-off counterparts. Cc: Stéphane Marchesin Signed-off-by: zain wang Signed-off-by: Caesar Wang [the patch originally just removed the power_on portion, seanpaul removed the power off code as well as improved the commit message] Signed-off-by: Sean Paul Signed-off-by: Thierry Escande Signed-off-by: Marek Szyprowski Tested-by: Heiko Stuebner Reviewed-by: Heiko Stuebner Signed-off-by: Andrzej Hajda Link: https://patchwork.freedesktop.org/patch/msgid/20180305085741.18896-2-m.szyprowski@samsung.com Acked-by: Petr Tesarik --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 10 ---------- 1 file changed, 10 deletions(-) --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1378,11 +1378,6 @@ analogix_dp_bind(struct device *dev, str pm_runtime_enable(dev); - pm_runtime_get_sync(dev); - phy_power_on(dp->phy); - - analogix_dp_init_dp(dp); - ret = devm_request_threaded_irq(&pdev->dev, dp->irq, analogix_dp_hardirq, analogix_dp_irq_thread, @@ -1410,15 +1405,10 @@ analogix_dp_bind(struct device *dev, str goto err_disable_pm_runtime; } - phy_power_off(dp->phy); - pm_runtime_put(dev); - return dp; err_disable_pm_runtime: - phy_power_off(dp->phy); - pm_runtime_put(dev); pm_runtime_disable(dev); return ERR_PTR(ret);