diff mbox

[v2,6/9] drm/rockchip: Reoder unload sequence

Message ID 1491046529-4310-7-git-send-email-jeffy.chen@rock-chips.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jeffy Chen April 1, 2017, 11:35 a.m. UTC
We should not cleanup iommu before cleanup other resources.

Reorder unload sequence, follow exynos drm.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

Changes in v2: None

 drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Sean Paul April 4, 2017, 7:44 p.m. UTC | #1
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).

Sean

> 
> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
> ---
> 
> 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
>
Jeffy Chen April 5, 2017, 10:20 a.m. UTC | #2
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 <jeffy.chen@rock-chips.com>
>> ---
>>
>> 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
>>
>
diff mbox

Patch

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);