From mboxrd@z Thu Jan 1 00:00:00 1970 From: jeffy.chen@rock-chips.com (jeffy) Date: Wed, 05 Apr 2017 18:20:34 +0800 Subject: [PATCH v2 6/9] drm/rockchip: Reoder unload sequence In-Reply-To: <20170404194426.e7pxf4kj5lbkvp6s@art_vandelay> References: <1491046529-4310-1-git-send-email-jeffy.chen@rock-chips.com> <1491046529-4310-7-git-send-email-jeffy.chen@rock-chips.com> <20170404194426.e7pxf4kj5lbkvp6s@art_vandelay> Message-ID: <58E4C4F2.7090306@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Sean, On 04/05/2017 03:44 AM, Sean Paul wrote: > On Sat, Apr 01, 2017 at 07:35:26PM +0800, Jeffy Chen wrote: >> We should not cleanup iommu before cleanup other resources. >> >> Reorder unload sequence, follow exynos drm. > > This doesn't match the cleanup sequence in rockchip_drm_bind. Also make sure > that you're unwinding the setup sequence when you cleanup (ie: take a close look > at how you set things up and reverse it for cleanup). ok, will reoder the bind sequence too, thanx. > > Sean > >> >> Signed-off-by: Jeffy Chen >> --- >> >> Changes in v2: None >> >> drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 6 ++++-- >> 1 file changed, 4 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c >> index b360e62..a5d83cb 100644 >> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c >> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c >> @@ -244,11 +244,13 @@ static void rockchip_drm_unbind(struct device *dev) >> struct drm_device *drm_dev = dev_get_drvdata(dev); >> >> rockchip_drm_fbdev_fini(drm_dev); >> - drm_vblank_cleanup(drm_dev); >> drm_kms_helper_poll_fini(drm_dev); >> + >> + drm_vblank_cleanup(drm_dev); >> component_unbind_all(dev, drm_dev); >> - rockchip_iommu_cleanup(drm_dev); >> drm_mode_config_cleanup(drm_dev); >> + rockchip_iommu_cleanup(drm_dev); >> + >> drm_dev->dev_private = NULL; >> drm_dev_unregister(drm_dev); >> drm_dev_unref(drm_dev); >> -- >> 2.1.4 >> >