The issue cause by the commit :
721255b527(drm/syncobj: flatten dma_fence_chains on transfer).
Because it use the point of dma_fence incorrectly
Correct the point of dma_fence by fence array
Signed-off-by: jie1zhan jesse.zhang@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
Reviewed-by: Nirmoy Das nirmoy.das@linux.intel.com --- drivers/gpu/drm/drm_syncobj.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 7e48dcd1bee4..d5db818f1c76 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -887,7 +887,7 @@ static int drm_syncobj_flatten_chain(struct dma_fence **f) goto free_fences;
dma_fence_put(*f); - *f = &array->base; + *f = array->fences[0]; return 0;
free_fences:
Am 29.06.22 um 08:02 schrieb jie1zhan:
The issue cause by the commit :
721255b527(drm/syncobj: flatten dma_fence_chains on transfer).
Because it use the point of dma_fence incorrectly
Correct the point of dma_fence by fence array
Well that patch is just utterly nonsense as far as I can see.
Signed-off-by: jie1zhan jesse.zhang@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
Reviewed-by: Nirmoy Das nirmoy.das@linux.intel.com
I have strong doubts that Nirmoy has reviewed this and I certainly haven't reviewed it.
Christian.
drivers/gpu/drm/drm_syncobj.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 7e48dcd1bee4..d5db818f1c76 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -887,7 +887,7 @@ static int drm_syncobj_flatten_chain(struct dma_fence **f) goto free_fences; dma_fence_put(*f);
- *f = &array->base;
- *f = array->fences[0]; return 0;
free_fences:
On 6/29/2022 11:12 AM, Christian König wrote:
Am 29.06.22 um 08:02 schrieb jie1zhan:
The issue cause by the commit :
721255b527(drm/syncobj: flatten dma_fence_chains on transfer).
Because it use the point of dma_fence incorrectly
Correct the point of dma_fence by fence array
Well that patch is just utterly nonsense as far as I can see.
Signed-off-by: jie1zhan jesse.zhang@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
Reviewed-by: Nirmoy Das nirmoy.das@linux.intel.com
I have strong doubts that Nirmoy has reviewed this and I certainly haven't reviewed it.
I haven't reviewed this either.
Nirmoy
Christian.
drivers/gpu/drm/drm_syncobj.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 7e48dcd1bee4..d5db818f1c76 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -887,7 +887,7 @@ static int drm_syncobj_flatten_chain(struct dma_fence **f) goto free_fences; dma_fence_put(*f); - *f = &array->base; + *f = array->fences[0]; return 0; free_fences:
[AMD Official Use Only - General]
Hi Christian, If we remove the following patch, the "syncobj timeline test" can pass. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
The following log is provided by AMD CQE team. They run the amdgpu_test tool on ubuntu22 (kernel version 5.15.0-39) Suite: SYNCOBJ TIMELINE Tests Test: syncobj timeline test ...FAILED 1. sources/drm/tests/amdgpu/syncobj_tests.c:299 - CU_ASSERT_EQUAL(payload,18) 2. sources/drm/tests/amdgpu/syncobj_tests.c:309 - CU_ASSERT_EQUAL(payload,20) You can get more detail information by the attachment.
So we need fix this issue. And if you have any better solution to solve the issue, please let me know.
Thanks Jesse
-----Original Message----- From: Koenig, Christian Christian.Koenig@amd.com Sent: Wednesday, 29 June 2022 5:12 pm To: Zhang, Jesse(Jie) Jesse.Zhang@amd.com; broonie@kernel.org; alsa-devel@alsa-project.org Cc: Mukunda, Vijendar Vijendar.Mukunda@amd.com; Hiregoudar, Basavaraj Basavaraj.Hiregoudar@amd.com; Dommati, Sunil-kumar Sunil-kumar.Dommati@amd.com; Pandey, Ajit Kumar AjitKumar.Pandey@amd.com; Nirmoy Das nirmoy.das@linux.intel.com; Maarten Lankhorst maarten.lankhorst@linux.intel.com; Maxime Ripard mripard@kernel.org; Thomas Zimmermann tzimmermann@suse.de; David Airlie airlied@linux.ie; Daniel Vetter daniel@ffwll.ch; Sumit Semwal sumit.semwal@linaro.org; open list:DRM DRIVERS dri-devel@lists.freedesktop.org; open list linux-kernel@vger.kernel.org; open list:DMA BUFFER SHARING FRAMEWORK linux-media@vger.kernel.org; moderated list:DMA BUFFER SHARING FRAMEWORK linaro-mm-sig@lists.linaro.org Subject: Re: [PATCH v1] Fix: SYNCOBJ TIMELINE Test failed.
Am 29.06.22 um 08:02 schrieb jie1zhan:
The issue cause by the commit :
721255b527(drm/syncobj: flatten dma_fence_chains on transfer).
Because it use the point of dma_fence incorrectly
Correct the point of dma_fence by fence array
Well that patch is just utterly nonsense as far as I can see.
Signed-off-by: jie1zhan jesse.zhang@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
Reviewed-by: Nirmoy Das nirmoy.das@linux.intel.com
I have strong doubts that Nirmoy has reviewed this and I certainly haven't reviewed it.
Christian.
drivers/gpu/drm/drm_syncobj.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 7e48dcd1bee4..d5db818f1c76 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -887,7 +887,7 @@ static int drm_syncobj_flatten_chain(struct dma_fence **f) goto free_fences; dma_fence_put(*f);
- *f = &array->base;
- *f = array->fences[0]; return 0;
free_fences:
Hi Jesse,
yes, I know that's a well known bug.
The Intel guys have already narrowed it down to a missing dma_fence_enable_signaling() in the syncobj code path.
I strongly suggest to work together with them to find where that needs to be added instead.
Regards, Christian.
Am 30.06.22 um 17:26 schrieb Zhang, Jesse(Jie):
[AMD Official Use Only - General]
Hi Christian, If we remove the following patch, the "syncobj timeline test" can pass. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
The following log is provided by AMD CQE team. They run the amdgpu_test tool on ubuntu22 (kernel version 5.15.0-39) Suite: SYNCOBJ TIMELINE Tests Test: syncobj timeline test ...FAILED 1. sources/drm/tests/amdgpu/syncobj_tests.c:299 - CU_ASSERT_EQUAL(payload,18) 2. sources/drm/tests/amdgpu/syncobj_tests.c:309 - CU_ASSERT_EQUAL(payload,20) You can get more detail information by the attachment.
So we need fix this issue. And if you have any better solution to solve the issue, please let me know.
Thanks Jesse
-----Original Message----- From: Koenig, Christian Christian.Koenig@amd.com Sent: Wednesday, 29 June 2022 5:12 pm To: Zhang, Jesse(Jie) Jesse.Zhang@amd.com; broonie@kernel.org; alsa-devel@alsa-project.org Cc: Mukunda, Vijendar Vijendar.Mukunda@amd.com; Hiregoudar, Basavaraj Basavaraj.Hiregoudar@amd.com; Dommati, Sunil-kumar Sunil-kumar.Dommati@amd.com; Pandey, Ajit Kumar AjitKumar.Pandey@amd.com; Nirmoy Das nirmoy.das@linux.intel.com; Maarten Lankhorst maarten.lankhorst@linux.intel.com; Maxime Ripard mripard@kernel.org; Thomas Zimmermann tzimmermann@suse.de; David Airlie airlied@linux.ie; Daniel Vetter daniel@ffwll.ch; Sumit Semwal sumit.semwal@linaro.org; open list:DRM DRIVERS dri-devel@lists.freedesktop.org; open list linux-kernel@vger.kernel.org; open list:DMA BUFFER SHARING FRAMEWORK linux-media@vger.kernel.org; moderated list:DMA BUFFER SHARING FRAMEWORK linaro-mm-sig@lists.linaro.org Subject: Re: [PATCH v1] Fix: SYNCOBJ TIMELINE Test failed.
Am 29.06.22 um 08:02 schrieb jie1zhan:
The issue cause by the commit :
721255b527(drm/syncobj: flatten dma_fence_chains on transfer).
Because it use the point of dma_fence incorrectly
Correct the point of dma_fence by fence array
Well that patch is just utterly nonsense as far as I can see.
Signed-off-by: jie1zhan jesse.zhang@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
Reviewed-by: Nirmoy Das nirmoy.das@linux.intel.com
I have strong doubts that Nirmoy has reviewed this and I certainly haven't reviewed it.
Christian.
drivers/gpu/drm/drm_syncobj.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 7e48dcd1bee4..d5db818f1c76 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -887,7 +887,7 @@ static int drm_syncobj_flatten_chain(struct dma_fence **f) goto free_fences; dma_fence_put(*f);
- *f = &array->base;
- *f = array->fences[0]; return 0; free_fences:
linaro-mm-sig@lists.linaro.org
-
Christian König -
Das, Nirmoy -
jie1zhan -
Zhang, Jesse(Jie)