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* [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
@ 2023-03-29  5:27 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2023-03-29  5:27 UTC (permalink / raw)
  To: Hawking Zhang
  Cc: Christian König, Pan, Xinhui, David Airlie, Daniel Vetter,
	Hawking Zhang, Tao Zhou, Stanley.Yang, YiPeng Chai, Victor Zhao,
	Candice Li, amd-gfx, kernel-janitors

There is a mixup where AMDGPU_RAS_BLOCK__DF is used as a mask instead of
a shifter.  It means that this condition will be true for
AMDGPU_RAS_BLOCK__MMHUB instead of for AMDGPU_RAS_BLOCK__DF.

Fixes: b6f512168478 ("drm/amdgpu: Add fatal error handling in nbio v4_3")
Signed-off-by: Dan Carpenter <error27@gmail.com>
---
From static analysis.  Not tested at all.

 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index fac45f98145d..4069bce9479f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2564,7 +2564,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 			adev->nbio.ras = &nbio_v7_4_ras;
 		break;
 	case IP_VERSION(4, 3, 0):
-		if (adev->ras_hw_enabled & AMDGPU_RAS_BLOCK__DF)
+		if (adev->ras_hw_enabled & (1 << AMDGPU_RAS_BLOCK__DF))
 			/* unlike other generation of nbio ras,
 			 * nbio v4_3 only support fatal error interrupt
 			 * to inform software that DF is freezed due to
-- 
2.39.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
@ 2023-03-29  5:27 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2023-03-29  5:27 UTC (permalink / raw)
  To: Hawking Zhang
  Cc: Pan, Xinhui, Tao Zhou, kernel-janitors, amd-gfx, YiPeng Chai,
	Stanley.Yang, Daniel Vetter, Victor Zhao, Candice Li,
	David Airlie, Christian König, Hawking Zhang

There is a mixup where AMDGPU_RAS_BLOCK__DF is used as a mask instead of
a shifter.  It means that this condition will be true for
AMDGPU_RAS_BLOCK__MMHUB instead of for AMDGPU_RAS_BLOCK__DF.

Fixes: b6f512168478 ("drm/amdgpu: Add fatal error handling in nbio v4_3")
Signed-off-by: Dan Carpenter <error27@gmail.com>
---
From static analysis.  Not tested at all.

 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index fac45f98145d..4069bce9479f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2564,7 +2564,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 			adev->nbio.ras = &nbio_v7_4_ras;
 		break;
 	case IP_VERSION(4, 3, 0):
-		if (adev->ras_hw_enabled & AMDGPU_RAS_BLOCK__DF)
+		if (adev->ras_hw_enabled & (1 << AMDGPU_RAS_BLOCK__DF))
 			/* unlike other generation of nbio ras,
 			 * nbio v4_3 only support fatal error interrupt
 			 * to inform software that DF is freezed due to
-- 
2.39.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* RE: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
  2023-03-29  5:27 ` Dan Carpenter
@ 2023-03-29  5:31   ` Zhang, Hawking
  -1 siblings, 0 replies; 6+ messages in thread
From: Zhang, Hawking @ 2023-03-29  5:31 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Koenig, Christian, Pan, Xinhui, David Airlie, Daniel Vetter,
	Zhou1, Tao, Yang, Stanley, Chai, Thomas, Zhao, Victor, Li,
	Candice, amd-gfx, kernel-janitors

[AMD Official Use Only - General]

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>

Regards,
Hawking
-----Original Message-----
From: Dan Carpenter <error27@gmail.com> 
Sent: Wednesday, March 29, 2023 13:28
To: Zhang, Hawking <Hawking.Zhang@amd.com>
Cc: Koenig, Christian <Christian.Koenig@amd.com>; Pan, Xinhui <Xinhui.Pan@amd.com>; David Airlie <airlied@gmail.com>; Daniel Vetter <daniel@ffwll.ch>; Zhang, Hawking <Hawking.Zhang@amd.com>; Zhou1, Tao <Tao.Zhou1@amd.com>; Yang, Stanley <Stanley.Yang@amd.com>; Chai, Thomas <YiPeng.Chai@amd.com>; Zhao, Victor <Victor.Zhao@amd.com>; Li, Candice <Candice.Li@amd.com>; amd-gfx@lists.freedesktop.org; kernel-janitors@vger.kernel.org
Subject: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check

There is a mixup where AMDGPU_RAS_BLOCK__DF is used as a mask instead of a shifter.  It means that this condition will be true for AMDGPU_RAS_BLOCK__MMHUB instead of for AMDGPU_RAS_BLOCK__DF.

Fixes: b6f512168478 ("drm/amdgpu: Add fatal error handling in nbio v4_3")
Signed-off-by: Dan Carpenter <error27@gmail.com>
---
From static analysis.  Not tested at all.

 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index fac45f98145d..4069bce9479f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2564,7 +2564,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 			adev->nbio.ras = &nbio_v7_4_ras;
 		break;
 	case IP_VERSION(4, 3, 0):
-		if (adev->ras_hw_enabled & AMDGPU_RAS_BLOCK__DF)
+		if (adev->ras_hw_enabled & (1 << AMDGPU_RAS_BLOCK__DF))
 			/* unlike other generation of nbio ras,
 			 * nbio v4_3 only support fatal error interrupt
 			 * to inform software that DF is freezed due to
--
2.39.1

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* RE: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
@ 2023-03-29  5:31   ` Zhang, Hawking
  0 siblings, 0 replies; 6+ messages in thread
From: Zhang, Hawking @ 2023-03-29  5:31 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Pan, Xinhui, Zhou1, Tao, kernel-janitors, amd-gfx, Chai, Thomas,
	Yang, Stanley, Daniel Vetter, Zhao, Victor, Li, Candice,
	David Airlie, Koenig, Christian

[AMD Official Use Only - General]

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>

Regards,
Hawking
-----Original Message-----
From: Dan Carpenter <error27@gmail.com> 
Sent: Wednesday, March 29, 2023 13:28
To: Zhang, Hawking <Hawking.Zhang@amd.com>
Cc: Koenig, Christian <Christian.Koenig@amd.com>; Pan, Xinhui <Xinhui.Pan@amd.com>; David Airlie <airlied@gmail.com>; Daniel Vetter <daniel@ffwll.ch>; Zhang, Hawking <Hawking.Zhang@amd.com>; Zhou1, Tao <Tao.Zhou1@amd.com>; Yang, Stanley <Stanley.Yang@amd.com>; Chai, Thomas <YiPeng.Chai@amd.com>; Zhao, Victor <Victor.Zhao@amd.com>; Li, Candice <Candice.Li@amd.com>; amd-gfx@lists.freedesktop.org; kernel-janitors@vger.kernel.org
Subject: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check

There is a mixup where AMDGPU_RAS_BLOCK__DF is used as a mask instead of a shifter.  It means that this condition will be true for AMDGPU_RAS_BLOCK__MMHUB instead of for AMDGPU_RAS_BLOCK__DF.

Fixes: b6f512168478 ("drm/amdgpu: Add fatal error handling in nbio v4_3")
Signed-off-by: Dan Carpenter <error27@gmail.com>
---
From static analysis.  Not tested at all.

 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index fac45f98145d..4069bce9479f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2564,7 +2564,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
 			adev->nbio.ras = &nbio_v7_4_ras;
 		break;
 	case IP_VERSION(4, 3, 0):
-		if (adev->ras_hw_enabled & AMDGPU_RAS_BLOCK__DF)
+		if (adev->ras_hw_enabled & (1 << AMDGPU_RAS_BLOCK__DF))
 			/* unlike other generation of nbio ras,
 			 * nbio v4_3 only support fatal error interrupt
 			 * to inform software that DF is freezed due to
--
2.39.1

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
  2023-03-29  5:31   ` Zhang, Hawking
@ 2023-03-29 21:08     ` Alex Deucher
  -1 siblings, 0 replies; 6+ messages in thread
From: Alex Deucher @ 2023-03-29 21:08 UTC (permalink / raw)
  To: Zhang, Hawking
  Cc: Dan Carpenter, Pan, Xinhui, Zhou1, Tao, kernel-janitors, amd-gfx,
	Chai, Thomas, Yang, Stanley, Daniel Vetter, Zhao, Victor, Li,
	Candice, David Airlie, Koenig, Christian

Applied.  Thanks!

On Wed, Mar 29, 2023 at 1:31 AM Zhang, Hawking <Hawking.Zhang@amd.com> wrote:
>
> [AMD Official Use Only - General]
>
> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
>
> Regards,
> Hawking
> -----Original Message-----
> From: Dan Carpenter <error27@gmail.com>
> Sent: Wednesday, March 29, 2023 13:28
> To: Zhang, Hawking <Hawking.Zhang@amd.com>
> Cc: Koenig, Christian <Christian.Koenig@amd.com>; Pan, Xinhui <Xinhui.Pan@amd.com>; David Airlie <airlied@gmail.com>; Daniel Vetter <daniel@ffwll.ch>; Zhang, Hawking <Hawking.Zhang@amd.com>; Zhou1, Tao <Tao.Zhou1@amd.com>; Yang, Stanley <Stanley.Yang@amd.com>; Chai, Thomas <YiPeng.Chai@amd.com>; Zhao, Victor <Victor.Zhao@amd.com>; Li, Candice <Candice.Li@amd.com>; amd-gfx@lists.freedesktop.org; kernel-janitors@vger.kernel.org
> Subject: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
>
> There is a mixup where AMDGPU_RAS_BLOCK__DF is used as a mask instead of a shifter.  It means that this condition will be true for AMDGPU_RAS_BLOCK__MMHUB instead of for AMDGPU_RAS_BLOCK__DF.
>
> Fixes: b6f512168478 ("drm/amdgpu: Add fatal error handling in nbio v4_3")
> Signed-off-by: Dan Carpenter <error27@gmail.com>
> ---
> From static analysis.  Not tested at all.
>
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> index fac45f98145d..4069bce9479f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> @@ -2564,7 +2564,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
>                         adev->nbio.ras = &nbio_v7_4_ras;
>                 break;
>         case IP_VERSION(4, 3, 0):
> -               if (adev->ras_hw_enabled & AMDGPU_RAS_BLOCK__DF)
> +               if (adev->ras_hw_enabled & (1 << AMDGPU_RAS_BLOCK__DF))
>                         /* unlike other generation of nbio ras,
>                          * nbio v4_3 only support fatal error interrupt
>                          * to inform software that DF is freezed due to
> --
> 2.39.1

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
@ 2023-03-29 21:08     ` Alex Deucher
  0 siblings, 0 replies; 6+ messages in thread
From: Alex Deucher @ 2023-03-29 21:08 UTC (permalink / raw)
  To: Zhang, Hawking
  Cc: Pan, Xinhui, Dan Carpenter, Zhou1, Tao, kernel-janitors, amd-gfx,
	Chai, Thomas, Yang, Stanley, Daniel Vetter, Zhao, Victor, Li,
	Candice, David Airlie, Koenig, Christian

Applied.  Thanks!

On Wed, Mar 29, 2023 at 1:31 AM Zhang, Hawking <Hawking.Zhang@amd.com> wrote:
>
> [AMD Official Use Only - General]
>
> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
>
> Regards,
> Hawking
> -----Original Message-----
> From: Dan Carpenter <error27@gmail.com>
> Sent: Wednesday, March 29, 2023 13:28
> To: Zhang, Hawking <Hawking.Zhang@amd.com>
> Cc: Koenig, Christian <Christian.Koenig@amd.com>; Pan, Xinhui <Xinhui.Pan@amd.com>; David Airlie <airlied@gmail.com>; Daniel Vetter <daniel@ffwll.ch>; Zhang, Hawking <Hawking.Zhang@amd.com>; Zhou1, Tao <Tao.Zhou1@amd.com>; Yang, Stanley <Stanley.Yang@amd.com>; Chai, Thomas <YiPeng.Chai@amd.com>; Zhao, Victor <Victor.Zhao@amd.com>; Li, Candice <Candice.Li@amd.com>; amd-gfx@lists.freedesktop.org; kernel-janitors@vger.kernel.org
> Subject: [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check
>
> There is a mixup where AMDGPU_RAS_BLOCK__DF is used as a mask instead of a shifter.  It means that this condition will be true for AMDGPU_RAS_BLOCK__MMHUB instead of for AMDGPU_RAS_BLOCK__DF.
>
> Fixes: b6f512168478 ("drm/amdgpu: Add fatal error handling in nbio v4_3")
> Signed-off-by: Dan Carpenter <error27@gmail.com>
> ---
> From static analysis.  Not tested at all.
>
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> index fac45f98145d..4069bce9479f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> @@ -2564,7 +2564,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
>                         adev->nbio.ras = &nbio_v7_4_ras;
>                 break;
>         case IP_VERSION(4, 3, 0):
> -               if (adev->ras_hw_enabled & AMDGPU_RAS_BLOCK__DF)
> +               if (adev->ras_hw_enabled & (1 << AMDGPU_RAS_BLOCK__DF))
>                         /* unlike other generation of nbio ras,
>                          * nbio v4_3 only support fatal error interrupt
>                          * to inform software that DF is freezed due to
> --
> 2.39.1

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2023-03-29 21:08 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-03-29  5:27 [PATCH] drm/amdgpu: fix AMDGPU_RAS_BLOCK__DF check Dan Carpenter
2023-03-29  5:27 ` Dan Carpenter
2023-03-29  5:31 ` Zhang, Hawking
2023-03-29  5:31   ` Zhang, Hawking
2023-03-29 21:08   ` Alex Deucher
2023-03-29 21:08     ` Alex Deucher

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