Re: [PATCH v7 00/24] Tegra GART driver clean up and optimization

2019-01-16 Thread Dmitry Osipenko
16.01.2019 15:55, Joerg Roedel пишет:
> On Tue, Jan 15, 2019 at 07:33:54PM +0300, Dmitry Osipenko wrote:
>> Should I expect that the patches will appear in the IOMMU git and in
>> -next consequently? Please let me know if there is any problem with
>> the applying of the patches.
> 
> Hmm, I thought I applied these patches already, but obviously they
> didn't show up in the iommu-tree. I have no idea how that happened, but
> they are now applied.
> 
> Thanks for the reminder,
> 
>Joerg
> 

Thanks!
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Re: [PATCH v7 00/24] Tegra GART driver clean up and optimization

2019-01-16 Thread Joerg Roedel
On Tue, Jan 15, 2019 at 07:33:54PM +0300, Dmitry Osipenko wrote:
> Should I expect that the patches will appear in the IOMMU git and in
> -next consequently? Please let me know if there is any problem with
> the applying of the patches.

Hmm, I thought I applied these patches already, but obviously they
didn't show up in the iommu-tree. I have no idea how that happened, but
they are now applied.

Thanks for the reminder,

   Joerg
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Re: [PATCH v7 00/24] Tegra GART driver clean up and optimization

2018-12-17 Thread Dmitry Osipenko
On 17.12.2018 12:14, Joerg Roedel wrote:
> On Wed, Dec 12, 2018 at 11:38:43PM +0300, Dmitry Osipenko wrote:
>> Dmitry Osipenko (24):
>>   iommu/tegra: gart: Remove pr_fmt and clean up includes
>>   iommu/tegra: gart: Clean up driver probe errors handling
>>   iommu/tegra: gart: Ignore devices without IOMMU phandle in DT
>>   iommu: Introduce iotlb_sync_map callback
>>   iommu/tegra: gart: Optimize mapping / unmapping performance
>>   dt-bindings: memory: tegra: Squash tegra20-gart into tegra20-mc
>>   ARM: dts: tegra20: Update Memory Controller node to the new binding
>>   memory: tegra: Don't invoke Tegra30+ specific memory timing setup on
>> Tegra20
>>   memory: tegra: Adapt to Tegra20 device-tree binding changes
>>   memory: tegra: Read client ID on GART page fault
>>   memory: tegra: Use of_device_get_match_data()
>>   memory: tegra: Use relaxed versions of readl/writel
>>   iommu/tegra: gart: Integrate with Memory Controller driver
>>   memory: tegra: Do not try to probe SMMU on Tegra20
>>   memory: tegra: Do not ask for IRQ sharing
>>   memory: tegra: Clean up error messages
>>   iommu/tegra: gart: Fix spinlock recursion
>>   iommu/tegra: gart: Fix NULL pointer dereference
>>   iommu/tegra: gart: Allow only one active domain at a time
>>   iommu/tegra: gart: Don't use managed resources
>>   iommu/tegra: gart: Prepend error/debug messages with "gart:"
>>   iommu/tegra: gart: Don't detach devices from inactive domains
>>   iommu/tegra: gart: Simplify clients-tracking code
>>   iommu/tegra: gart: Perform code refactoring
> 
> Applied, thanks.
> 

Awesome, thanks!
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Re: [PATCH v7 00/24] Tegra GART driver clean up and optimization

2018-12-17 Thread Joerg Roedel
On Wed, Dec 12, 2018 at 11:38:43PM +0300, Dmitry Osipenko wrote:
> Dmitry Osipenko (24):
>   iommu/tegra: gart: Remove pr_fmt and clean up includes
>   iommu/tegra: gart: Clean up driver probe errors handling
>   iommu/tegra: gart: Ignore devices without IOMMU phandle in DT
>   iommu: Introduce iotlb_sync_map callback
>   iommu/tegra: gart: Optimize mapping / unmapping performance
>   dt-bindings: memory: tegra: Squash tegra20-gart into tegra20-mc
>   ARM: dts: tegra20: Update Memory Controller node to the new binding
>   memory: tegra: Don't invoke Tegra30+ specific memory timing setup on
> Tegra20
>   memory: tegra: Adapt to Tegra20 device-tree binding changes
>   memory: tegra: Read client ID on GART page fault
>   memory: tegra: Use of_device_get_match_data()
>   memory: tegra: Use relaxed versions of readl/writel
>   iommu/tegra: gart: Integrate with Memory Controller driver
>   memory: tegra: Do not try to probe SMMU on Tegra20
>   memory: tegra: Do not ask for IRQ sharing
>   memory: tegra: Clean up error messages
>   iommu/tegra: gart: Fix spinlock recursion
>   iommu/tegra: gart: Fix NULL pointer dereference
>   iommu/tegra: gart: Allow only one active domain at a time
>   iommu/tegra: gart: Don't use managed resources
>   iommu/tegra: gart: Prepend error/debug messages with "gart:"
>   iommu/tegra: gart: Don't detach devices from inactive domains
>   iommu/tegra: gart: Simplify clients-tracking code
>   iommu/tegra: gart: Perform code refactoring

Applied, thanks.
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[PATCH v7 00/24] Tegra GART driver clean up and optimization

2018-12-12 Thread Dmitry Osipenko
Hello,

This patch-series integrates the GART (IOMMU) driver with the Memory
Controller driver, that allows to report the name of a faulty memory
client on GART page fault. A major code clean up and performance
optimization is performed in this series as well.

Changelog:

v7: Addressed review comments to v6 from Thierry Reding.

Added three new (minor) patches that further prettifying the drivers
code.

New patches in v7:
1) "memory: tegra: Do not try to probe SMMU on Tegra20"
2) "memory: tegra: Do not ask for IRQ sharing"
3) "memory: tegra: Clean up error messages"

Incorporated another "one-line" change into the "perform code refactoring"
patch: now GART translation is kept disabled in HW while GART is suspended.

v6: v5 that is re-based on the recent linux-next.

v5: Addressed review comments from Thierry Reding to v4. Added WARN_ON() to
make sure that active domain isn't getting released, kept include headers
where necessary, etc.. All changes are quite minor.

Added new patch "memory: tegra: Use relaxed versions of readl/writel".

v4: In the v3 Rob Herring requested to make device-tree binding changes
backwards-compatible with the older kernels, that is achieved by
changing the 'compatible' value of the DT node.

The code-refactoring patches got some more (minor) polish.

Added new patch "memory: tegra: Use of_device_get_match_data()".

v3: Memory Controller integration part has been reworked and now GART's
device-tree binding is changed. Adding Rob Herring for the device-tree
changes reviewing.

GART now disallows more than one active domain at a time.

Fixed "spinlock recursion", "NULL pointer dereference" and "detaching
of all devices from inactive domains".

New code-refactoring patches.

The previously standalone patch "memory: tegra: Don't invoke Tegra30+
specific memory timing setup on Tegra20" is now included into this
series because there is a dependency on that patch and it wasn't applied
yet.

v2: Addressed review comments from Robin Murphy to v1 by moving devices
iommu_fwspec check to gart_iommu_add_device().

Dropped the "Provide single domain and group for all devices" patch from
the series for now because after some more considering it became not
exactly apparent whether that is what we need, that was also suggested
by Robin Murphy in the review comment. Maybe something like a runtime
IOMMU usage for devices would be a better solution, allowing to implement
transparent context switching of virtual IOMMU domains.

Some very minor code cleanups, reworded commit messages.

Dmitry Osipenko (24):
  iommu/tegra: gart: Remove pr_fmt and clean up includes
  iommu/tegra: gart: Clean up driver probe errors handling
  iommu/tegra: gart: Ignore devices without IOMMU phandle in DT
  iommu: Introduce iotlb_sync_map callback
  iommu/tegra: gart: Optimize mapping / unmapping performance
  dt-bindings: memory: tegra: Squash tegra20-gart into tegra20-mc
  ARM: dts: tegra20: Update Memory Controller node to the new binding
  memory: tegra: Don't invoke Tegra30+ specific memory timing setup on
Tegra20
  memory: tegra: Adapt to Tegra20 device-tree binding changes
  memory: tegra: Read client ID on GART page fault
  memory: tegra: Use of_device_get_match_data()
  memory: tegra: Use relaxed versions of readl/writel
  iommu/tegra: gart: Integrate with Memory Controller driver
  memory: tegra: Do not try to probe SMMU on Tegra20
  memory: tegra: Do not ask for IRQ sharing
  memory: tegra: Clean up error messages
  iommu/tegra: gart: Fix spinlock recursion
  iommu/tegra: gart: Fix NULL pointer dereference
  iommu/tegra: gart: Allow only one active domain at a time
  iommu/tegra: gart: Don't use managed resources
  iommu/tegra: gart: Prepend error/debug messages with "gart:"
  iommu/tegra: gart: Don't detach devices from inactive domains
  iommu/tegra: gart: Simplify clients-tracking code
  iommu/tegra: gart: Perform code refactoring

 .../bindings/iommu/nvidia,tegra20-gart.txt|  14 -
 .../memory-controllers/nvidia,tegra20-mc.txt  |  27 +-
 arch/arm/boot/dts/tegra20.dtsi|  15 +-
 drivers/iommu/Kconfig |   1 +
 drivers/iommu/iommu.c |   8 +-
 drivers/iommu/tegra-gart.c| 473 +++---
 drivers/iommu/tegra-smmu.c|   4 -
 drivers/memory/tegra/mc.c | 118 +++--
 drivers/memory/tegra/mc.h |  10 +-
 include/linux/iommu.h |   1 +
 include/soc/tegra/mc.h|  27 +-
 11 files changed, 323 insertions(+), 375 deletions(-)
 delete mode 100644 
Documentation/devicetree/bindings/iommu/nvidia,tegra20-gart.txt

-- 
2.20.0

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