* [PATCH] drm/amd/amdgpu: Cancel delay work before unload driver
@ 2019-11-07 7:36 ` Jesse Zhang
0 siblings, 0 replies; 4+ messages in thread
From: Jesse Zhang @ 2019-11-07 7:36 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Jesse Zhang
move cancel_delayed_work_sync() to the begining
of amdgpu_device_fini() to cancel unfinished
works which are no longer needed.
Change-Id: I8831935b797c78b971aa7233697c36140374f1ac
Signed-off-by: Jesse Zhang <zhexi.zhang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 ++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f0ad05d..5b8af69 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3115,6 +3115,12 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
DRM_INFO("amdgpu: finishing device.\n");
adev->shutdown = true;
+
+ /* Cancel unfinished delay work before unload driver */
+ cancel_delayed_work_sync(&adev->delayed_init_work);
+ cancel_delayed_work_sync(&adev->uvd.idle_work);
+ cancel_delayed_work_sync(&adev->vce.idle_work);
+
/* disable all interrupts */
amdgpu_irq_disable_all(adev);
if (adev->mode_info.mode_config_initialized){
@@ -3134,7 +3140,6 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
adev->firmware.gpu_info_fw = NULL;
}
adev->accel_working = false;
- cancel_delayed_work_sync(&adev->delayed_init_work);
/* free i2c buses */
if (!amdgpu_device_has_dc_support(adev))
amdgpu_i2c_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index d121bbd..fc6c949 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -364,6 +364,8 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
struct amdgpu_ring *ring = adev->rings[i];
long tmo;
+ if (adev->shutdown)
+ return 0;
/* KIQ rings don't have an IB test because we never submit IBs
* to them and they have no interrupt support.
*/
--
2.7.4
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH] drm/amd/amdgpu: Cancel delay work before unload driver
@ 2019-11-07 7:36 ` Jesse Zhang
0 siblings, 0 replies; 4+ messages in thread
From: Jesse Zhang @ 2019-11-07 7:36 UTC (permalink / raw)
To: amd-gfx; +Cc: Jesse Zhang
move cancel_delayed_work_sync() to the begining
of amdgpu_device_fini() to cancel unfinished
works which are no longer needed.
Change-Id: I8831935b797c78b971aa7233697c36140374f1ac
Signed-off-by: Jesse Zhang <zhexi.zhang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 ++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f0ad05d..5b8af69 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3115,6 +3115,12 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
DRM_INFO("amdgpu: finishing device.\n");
adev->shutdown = true;
+
+ /* Cancel unfinished delay work before unload driver */
+ cancel_delayed_work_sync(&adev->delayed_init_work);
+ cancel_delayed_work_sync(&adev->uvd.idle_work);
+ cancel_delayed_work_sync(&adev->vce.idle_work);
+
/* disable all interrupts */
amdgpu_irq_disable_all(adev);
if (adev->mode_info.mode_config_initialized){
@@ -3134,7 +3140,6 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
adev->firmware.gpu_info_fw = NULL;
}
adev->accel_working = false;
- cancel_delayed_work_sync(&adev->delayed_init_work);
/* free i2c buses */
if (!amdgpu_device_has_dc_support(adev))
amdgpu_i2c_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index d121bbd..fc6c949 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -364,6 +364,8 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
struct amdgpu_ring *ring = adev->rings[i];
long tmo;
+ if (adev->shutdown)
+ return 0;
/* KIQ rings don't have an IB test because we never submit IBs
* to them and they have no interrupt support.
*/
--
2.7.4
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] drm/amd/amdgpu: Cancel delay work before unload driver
@ 2019-11-07 9:35 ` Christian König
0 siblings, 0 replies; 4+ messages in thread
From: Christian König @ 2019-11-07 9:35 UTC (permalink / raw)
To: Jesse Zhang, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Am 07.11.19 um 08:36 schrieb Jesse Zhang:
> move cancel_delayed_work_sync() to the begining
> of amdgpu_device_fini() to cancel unfinished
> works which are no longer needed.
>
> Change-Id: I8831935b797c78b971aa7233697c36140374f1ac
> Signed-off-by: Jesse Zhang <zhexi.zhang@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 ++++++-
> drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++
> 2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index f0ad05d..5b8af69 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -3115,6 +3115,12 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
>
> DRM_INFO("amdgpu: finishing device.\n");
> adev->shutdown = true;
> +
> + /* Cancel unfinished delay work before unload driver */
> + cancel_delayed_work_sync(&adev->delayed_init_work);
Goes into the right direction, but I would rather go with
flush_delayed_work() to make sure the delayed init work is actually run.
> + cancel_delayed_work_sync(&adev->uvd.idle_work);
> + cancel_delayed_work_sync(&adev->vce.idle_work);
> +
This belongs into the UVD/VCE code since the idle work handlers are not
initialized if the device doesn't have an UVD/VCE block.
> /* disable all interrupts */
> amdgpu_irq_disable_all(adev);
> if (adev->mode_info.mode_config_initialized){
> @@ -3134,7 +3140,6 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
> adev->firmware.gpu_info_fw = NULL;
> }
> adev->accel_working = false;
> - cancel_delayed_work_sync(&adev->delayed_init_work);
> /* free i2c buses */
> if (!amdgpu_device_has_dc_support(adev))
> amdgpu_i2c_fini(adev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> index d121bbd..fc6c949 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> @@ -364,6 +364,8 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
> struct amdgpu_ring *ring = adev->rings[i];
> long tmo;
>
> + if (adev->shutdown)
> + return 0;
That looks rather superfluous, is that really necessary?
Regards,
Christian.
> /* KIQ rings don't have an IB test because we never submit IBs
> * to them and they have no interrupt support.
> */
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] drm/amd/amdgpu: Cancel delay work before unload driver
@ 2019-11-07 9:35 ` Christian König
0 siblings, 0 replies; 4+ messages in thread
From: Christian König @ 2019-11-07 9:35 UTC (permalink / raw)
To: Jesse Zhang, amd-gfx
Am 07.11.19 um 08:36 schrieb Jesse Zhang:
> move cancel_delayed_work_sync() to the begining
> of amdgpu_device_fini() to cancel unfinished
> works which are no longer needed.
>
> Change-Id: I8831935b797c78b971aa7233697c36140374f1ac
> Signed-off-by: Jesse Zhang <zhexi.zhang@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 ++++++-
> drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++
> 2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index f0ad05d..5b8af69 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -3115,6 +3115,12 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
>
> DRM_INFO("amdgpu: finishing device.\n");
> adev->shutdown = true;
> +
> + /* Cancel unfinished delay work before unload driver */
> + cancel_delayed_work_sync(&adev->delayed_init_work);
Goes into the right direction, but I would rather go with
flush_delayed_work() to make sure the delayed init work is actually run.
> + cancel_delayed_work_sync(&adev->uvd.idle_work);
> + cancel_delayed_work_sync(&adev->vce.idle_work);
> +
This belongs into the UVD/VCE code since the idle work handlers are not
initialized if the device doesn't have an UVD/VCE block.
> /* disable all interrupts */
> amdgpu_irq_disable_all(adev);
> if (adev->mode_info.mode_config_initialized){
> @@ -3134,7 +3140,6 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
> adev->firmware.gpu_info_fw = NULL;
> }
> adev->accel_working = false;
> - cancel_delayed_work_sync(&adev->delayed_init_work);
> /* free i2c buses */
> if (!amdgpu_device_has_dc_support(adev))
> amdgpu_i2c_fini(adev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> index d121bbd..fc6c949 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> @@ -364,6 +364,8 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
> struct amdgpu_ring *ring = adev->rings[i];
> long tmo;
>
> + if (adev->shutdown)
> + return 0;
That looks rather superfluous, is that really necessary?
Regards,
Christian.
> /* KIQ rings don't have an IB test because we never submit IBs
> * to them and they have no interrupt support.
> */
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^ permalink raw reply [flat|nested] 4+ messages in thread
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2019-11-07 7:36 [PATCH] drm/amd/amdgpu: Cancel delay work before unload driver Jesse Zhang
2019-11-07 7:36 ` Jesse Zhang
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2019-11-07 9:35 ` Christian König
2019-11-07 9:35 ` Christian König
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