[AMD Official Use Only - Internal Distribution Only]
Hello All,
Could you please provide your feedback for this patch?
Regards,
Ikshwaku
-Original Message-
From: Chauhan, Ikshwaku
Sent: Wednesday, June 17, 2020 3:20 AM
To: Wentland, Harry ; Li, Sun peng (Leo)
; Deucher, Alexander
On Sun, Jun 21, 2020 at 08:07:08PM +0200, Daniel Vetter wrote:
> On Sun, Jun 21, 2020 at 7:42 PM Qian Cai wrote:
> >
> > On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> > > fs_reclaim_acquire/release nicely catch recursion issues when
> > > allocating GFP_KERNEL memory against
ea?
Aside this is the first email I've typed, until I realized the first
report was against the broken patch and that looked like a much more
reasonable explanation (but didn't quite match up with the code
paths).
Thanks, Daniel
>
> [ 190.455003][ T369] WARNING: possible circular
n Gunthorpe
> > Cc: linux...@kvack.org
> > Cc: linux-r...@vger.kernel.org
> > Cc: Maarten Lankhorst
> > Cc: Christian König
> > Signed-off-by: Daniel Vetter
>
> Reverting this commit fixed the lockdep splat below while applying some
entity->rq becomes null aftre device unplugged so just return early
in that case.
Signed-off-by: Andrey Grodzovsky
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 21 -
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git
This RFC is more of a proof of concept then a fully working solution as there
are a few unresolved issues we are hoping to get advise on from people on the
mailing list.
Until now extracting a card either by physical extraction (e.g. eGPU with
thunderbolt connection or by emulation through syfs
Helper function to be used to invalidate all BOs CPU mappings
once device is removed.
Signed-off-by: Andrey Grodzovsky
---
drivers/gpu/drm/ttm/ttm_bo.c| 8 ++--
include/drm/ttm/ttm_bo_driver.h | 7 +++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git
Some of the stuff in amdgpu_device_fini such as HW interrupts
disable and pending fences finilization must be done right away on
pci_remove while most of the stuff which relates to finilizing and releasing
driver data structures can be kept until drm_driver.release hook is called, i.e.
when the
Use the new TTM interface to invalidate all exsisting BO CPU mappings
form all user proccesses.
Signed-off-by: Andrey Grodzovsky
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
Track sysfs files in a list so they all can be removed during pci remove
since otherwise their removal after that causes crash because parent
folder was already removed during pci remove.
Signed-off-by: Andrey Grodzovsky
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 13 +++
On device removal reroute all CPU mappings to dummy page per drm_file
instance or imported GEM object.
Signed-off-by: Andrey Grodzovsky
---
drivers/gpu/drm/ttm/ttm_bo_vm.c | 65 -
1 file changed, 57 insertions(+), 8 deletions(-)
diff --git
No point to try recovery if device is gone, just messes up things.
Signed-off-by: Andrey Grodzovsky
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 16
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 8
2 files changed, 24 insertions(+)
diff --git
Will be used to reroute CPU mapped BO's page faults once
device is removed.
Signed-off-by: Andrey Grodzovsky
---
drivers/gpu/drm/drm_file.c | 8
drivers/gpu/drm/drm_prime.c | 10 ++
include/drm/drm_file.h | 2 ++
include/drm/drm_gem.h | 2 ++
4 files changed, 22
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