From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752640AbdDALhN (ORCPT ); Sat, 1 Apr 2017 07:37:13 -0400 Received: from regular1.263xmail.com ([211.150.99.133]:33042 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751733AbdDALgJ (ORCPT ); Sat, 1 Apr 2017 07:36:09 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <047ef0d2f7956f573b85c3b36c6fa53b> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Jeffy Chen To: linux-kernel@vger.kernel.org Cc: briannorris@chromium.org, dianders@chromium.org, tfiga@chromium.org, seanpaul@chromium.org, zyw@rock-chips.com, mark.yao@rock-chips.com, Jeffy Chen , Heiko Stuebner , dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, David Airlie , linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 5/9] drm/rockchip: vop: Enable pm domain when resetting vop Date: Sat, 1 Apr 2017 19:35:25 +0800 Message-Id: <1491046529-4310-6-git-send-email-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1491046529-4310-1-git-send-email-jeffy.chen@rock-chips.com> References: <1491046529-4310-1-git-send-email-jeffy.chen@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Jeffy Chen --- Changes in v2: None drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 31 +++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 76c79ac..1d85319 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1365,6 +1365,12 @@ static int vop_initial(struct vop *vop) return ret; } + ret = pm_runtime_get_sync(vop->dev); + if (ret < 0) { + dev_err(vop->dev, "failed to get pm runtime: %d\n", ret); + goto err_put_pm_runtime; + } + /* Enable both the hclk and aclk to setup the vop */ ret = clk_prepare_enable(vop->hclk); if (ret < 0) { @@ -1422,6 +1428,8 @@ static int vop_initial(struct vop *vop) vop->is_enabled = false; + pm_runtime_put_sync(vop->dev); + return 0; err_disable_aclk: @@ -1430,6 +1438,8 @@ static int vop_initial(struct vop *vop) clk_disable_unprepare(vop->hclk); err_unprepare_dclk: clk_unprepare(vop->dclk); +err_put_pm_runtime: + pm_runtime_put_sync(vop->dev); return ret; } @@ -1530,12 +1540,6 @@ static int vop_bind(struct device *dev, struct device *master, void *data) if (!vop->regsbak) return -ENOMEM; - ret = vop_initial(vop); - if (ret < 0) { - dev_err(&pdev->dev, "cannot initial vop dev - err %d\n", ret); - return ret; - } - irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(dev, "cannot find irq for vop\n"); @@ -1556,15 +1560,22 @@ static int vop_bind(struct device *dev, struct device *master, void *data) /* IRQ is initially disabled; it gets enabled in power_on */ disable_irq(vop->irq); + pm_runtime_enable(&pdev->dev); + + ret = vop_initial(vop); + if (ret < 0) { + dev_err(&pdev->dev, "cannot initial vop dev - err %d\n", ret); + goto err_disable_pm_runtime; + } + ret = vop_create_crtc(vop); if (ret) - goto err_enable_irq; - - pm_runtime_enable(&pdev->dev); + goto err_disable_pm_runtime; return 0; -err_enable_irq: +err_disable_pm_runtime: + pm_runtime_disable(&pdev->dev); enable_irq(vop->irq); /* To balance out the disable_irq above */ return ret; } -- 2.1.4