| Commit message (Collapse) | Author | Age |
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This panel is used by Atmel's SAMA5D3 Evaluation Kits (sama5d3xek) and
supported by the simple-panel driver.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The LG LD070WX3-SL01 and Panasonic VVX10F004B00 are DSI support
non-continuous clock mode. Set the MIPI_DSI_CLOCK_NON_CONTINUOUS
to their definition so host drivers become aware of this capability.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Rather than DRM_PANEL_LD9040 selecting SPI, which then results in an
increase in the probability of Kconf reporting circular dependencies
(we're one "select" away from that right now), make this depend on
SPI instead. This is akin to having some driver select DRM.
Having some drivers depend on a subsystem, and other drivers select a
subsystem is a recipe for circular dependencies, and there's really no
need for it.
The potential circular dependency (which can be caused today by the
addition of selecting DRM_PANEL from DRM_IMX_LDB) is:
symbol DMADEVICES is selected by SAMSUNG_DMADEV
symbol SAMSUNG_DMADEV is selected by S3C64XX_PL080
symbol S3C64XX_PL080 is selected by SPI_S3C64XX
symbol SPI_S3C64XX depends on SPI
symbol SPI is selected by DRM_PANEL_LD9040
symbol DRM_PANEL_LD9040 depends on DRM_PANEL
symbol DRM_PANEL is selected by DRM_IMX_LDB
symbol DRM_IMX_LDB depends on MFD_SYSCON
symbol MFD_SYSCON is selected by POWER_RESET_KEYSTONE
symbol POWER_RESET_KEYSTONE depends on POWER_SUPPLY
symbol POWER_SUPPLY is selected by HID_SONY
symbol HID_SONY depends on NEW_LEDS
symbol NEW_LEDS is selected by BACKLIGHT_ADP8860
symbol BACKLIGHT_ADP8860 depends on BACKLIGHT_CLASS_DEVICE
symbol BACKLIGHT_CLASS_DEVICE is selected by FB_MX3
symbol FB_MX3 depends on MX3_IPU
symbol MX3_IPU depends on DMADEVICES
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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DRM_PANEL_LD9040 and DRM_PANEL_S6E8AA0 both explicitly depended on
DRM_PANEL && DRM, whereas DRM_PANEL_SIMPLE relies upon the dependency
on the menu.
We do not need to use explicit dependencies if we make the menu depend
on DRM_PANEL && DRM - this will implicitly make each entry in the menu
depend on DRM_PANEL && DRM without this needing to be explicitly stated
against every entry.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Everyone agrees we should do this,
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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drm-next
bunch of cleanups
* 'drm-next' of git://people.freedesktop.org/~dvdhrm/linux:
drm: mark drm_context support as legacy
drm: make sysfs device always available for minors
drm: make minor->index available early
drm: merge drm_drv.c into drm_ioctl.c
drm: move module initialization to drm_stub.c
drm: don't de-authenticate clients on master-close
drm: drop redundant drm_file->is_master
drm: extract legacy ctxbitmap flushing
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This renames all drm-context helpers to drm_legacy_*() and moves the
internal definitions into the new drm_legacy.h header. This header is
local to DRM-core and drivers shouldn't access it.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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For each minor we allocate a sysfs device as minor->kdev. Currently, this
is allocated and registered in drm_minor_register(). This makes it
impossible to add sysfs-attributes to the device before it is registered.
Therefore, they are not added atomically, nor can we move device_add()
*after* ->load() is called.
This patch makes minor->kdev available early, but only adds the device
during minor-registration. Note that the registration is still called
before ->load() as debugfs needs to be split, too. This will be fixed in
follow-ups.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Instead of allocating the minor-index during registration, we now do this
during allocation. This way, debug-messages between minor-allocation and
minor-registration will now use the correct minor instead of 0. Same is
done for unregistration vs. free, so debug-messages between
device-shutdown and device-destruction show proper indices.
Even though minor-indices are allocated early, we don't enable minor
lookup early. Instead, we keep the entry set to NULL and replace it during
registration / unregistration. This way, the index is allocated but lookup
only works if registered.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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All that is left in drm_drv.c is ioctl management. Merge it into
drm_ioctl.c so we have all ioctl management in one file (and the name is
much more fitting).
Maybe we should now rename drm_stub.c to drm_drv.c again?
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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Most of the new DRM management functions are nowadays in drm_stub.c. By
moving the core module initialization to drm_stub.c we can make several
global variables static and keep the stub-open helper local.
The core files now look like this:
drm_stub.c: Core management
drm_drv.c: Ioctl dispatcher
drm_ioctl.c: Actual ioctl backends
drm_fops.c: Char-dev file-operations
A follow-up patch will move what is left from drm_drv.c into drm_ioctl.c.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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If an active DRM-Master closes its device, we deauthenticate all clients
on that master. However, if an inactive DRM-Master closes its device, we
do nothing. This is quite inconsistent and breaks several scenarios:
1) If this was used as security mechanism, it fails horribly if a master
closes a device while VT switched away. Furthermore, none of the few
drivers using ->master_*() callbacks seems to require it, anyway.
2) If you spawn weston (or any other non-UMS compositor) in background
while another compositor is active, both will get assigned to the
same "drm_master" object. If the foreground compositor now exits, all
clients of both the foreground AND background compositor will be
de-authenticated leading to unexpected behavior.
Stop this non-sense and keep clients authenticated. We don't do this when
dropping DRM-Master (i.e., switching VTs) so don't do it on active-close
either!
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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The drm_file->is_master field is redundant as it's equivalent to:
drm_file->master && drm_file->master == drm_file->minor->master
1) "=>"
Whenever we set drm_file->is_master, we also set:
drm_file->minor->master = drm_file->master;
Whenever we clear drm_file->is_master, we also call:
drm_master_put(&drm_file->minor->master);
which implicitly clears it to NULL.
2) "<="
minor->master cannot be set if it is non-NULL. Therefore, it stays as
is unless a file drops it.
If minor->master is NULL, it is only set by places that also adjust
drm_file->is_master.
Therefore, we can safely drop is_master and replace it by an inline helper
that matches:
drm_file->master && drm_file->master == drm_file->minor->master
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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The ctxbitmap code is only used by legacy drivers so lets try to keep it
as separated as possible. Furthermore, the locking is non-obvious and
kinda weird with ctxlist_mutex *and* struct_mutex. Keeping all ctxbitmap
access in one file is much easier to review and makes drm_release() more
readable.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
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We need to take the connection mutex around the link status
check for non-MST case, but also around the MST link training
on short HPDs.
I suspect we actually should have a dpcd lock in the future as
well, that just lock the local copies of dpcd and flags stored
from that.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-next
- Additional Hawaii fixes
- Support for using the display scaler on non-fixed mode displays
- Support for new firmware format that makes it easier to update
- Enable dpm by default on additional asics
- GPUVM improvements
- Support for uncached and write combined gtt buffers
- Allow allocation of BOs larger than visible vram
- Various other small fixes and improvements
* 'drm-next-3.17' of git://people.freedesktop.org/~agd5f/linux: (57 commits)
drm/radeon: Prevent hdmi deep color if max_tmds_clock is undefined.
drm/radeon: Use pflip irqs for pageflip completion if possible. (v2)
drm/radeon: tweak ACCEL_WORKING2 query for the new firmware for hawaii
drm/radeon: use packet3 for nop on hawaii with new firmware
drm/radeon: tweak ACCEL_WORKING2 query for hawaii
drm/radeon: use packet2 for nop on hawaii with old firmware
drm/radeon: update IB size estimation for VM
drm/radeon: split PT setup in more functions
drm/radeon: add VM GART copy optimization to NI as well
drm/radeon: take a BO reference on VM cleanup
drm/radeon: add radeon_bo_ref function
drm/radeon: remove taking mclk_lock from radeon_bo_unref
drm/radeon: adjust default radeon_vm_block_size v2
drm/radeon: try to enable VM flushing once more
drm/radeon: use an intervall tree to manage the VMA v2
drm/radeon: remove radeon_bo_clear_va
drm/radeon: invalidate moved BOs in the VM (v2)
drm/radeon: re-enable dpm by default on BTC
drm/radeon: re-enable dpm by default on cayman
drm/radeon: Only flush HDP cache from idle ioctl if BO is in VRAM
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HDMI spec requires a valid max_tmds_clock from edid for hdmi
deep color modes. If a sink violates this, disable deep color.
Also add a hint to user about the deep_color module parameter if
deep color is disabled due to that.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Skip the "manual" pageflip completion checks via polling and
guessing in the vblank handler radeon_crtc_handle_vblank() on
asics which are known to reliably support hw pageflip completion
irqs. Those pflip irqs are a more reliable and race-free method
of handling pageflip completion detection, whereas the "classic"
polling method has some small races in combination with dpm on,
and with the reworked pageflip implementation since Linux 3.16.
On old asics without pflip irqs, the classic method is used.
On asics with known good pflip irqs, only pflip irqs are used
by default, but a new module parameter "use_pflipirqs" allows to
override this in case we encounter asics in the wild with
unreliable or faulty pflip irqs. A module parameter of 0 allows
to use the classic method only in such a case. A parameter of 1
allows to use both classic method and pflip irqs as additional
band-aid to avoid some small races which could happen with the
classic method alone. The setting 1 gives Linux 3.16 behaviour.
Hw pflip irqs are available since R600.
Tested on DCE-4, AMD Cedar - FirePro 2270.
v2: agd5f: only enable pflip interrupts on DCE4+ as they are not
reliable on older asics.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Adjust the previous tweak for hawaii to return 3 if the new firmware is used.
Signed-off-by: Andreas Boll <andreas.boll.dev@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Older firmware didn't support the new nop packet.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andreas Boll <andreas.boll.dev@gmail.com>
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Return 2 so we can be sure the kernel has the necessary
changes for acceleration to work.
Note: This patch depends on these two commits:
- drm/radeon: fix cut and paste issue for hawaii.
- drm/radeon: use packet2 for nop on hawaii with old firmware
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andreas Boll <andreas.boll.dev@gmail.com>
Cc: stable@vger.kernel.org
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Older firmware didn't support the new nop packet.
v2 (Andreas Boll):
- Drop usage of packet3 for new firmware
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Signed-off-by: Andreas Boll <andreas.boll.dev@gmail.com>
Cc: stable@vger.kernel.org
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That should allow us to allocate bigger BOs.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move the decision what to use into the common VM code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This closes a small window where the GPU might have accessed freed up memory.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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To be consistent with radeon_bo_unref, needed in the following patch.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It's causing lockdep warnings and why should
we access the memory that is freed up?
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v2: rebase on vm_size scale change. Adjust vm_size default to 8,
Better handle the default and smaller values.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Let's try to fix bugs related to this instead of just disabling it.
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Scales much better than scanning the address range linearly.
v2: store pfn instead of address
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Won't work anyway, instead WARN_ON if the VA list isn't
empty when we free the BO.
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Don't wait for the BO to be used again, just
update the PT on the next VM use.
v2: remove stray semicolon.
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch depends on:
e07929810f0a19ddd756558290c7d72827cbfcd9
(drm/radeon/dpm: fix typo in vddci setup for eg/btc)
bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=73053
https://bugzilla.kernel.org/show_bug.cgi?id=68571
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This patch depends on:
b0880e87c1fd038b84498944f52e52c3e86ebe59
(drm/radeon/dpm: fix vddci setup typo on cayman)
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69723
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The HDP cache only applies to CPU access to VRAM.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Some hawaii cards use a different method to fetch the
voltage info from the vbios.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=74250
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Some hawaii boards use a different method for fetching the
voltage information from the vbios.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This ensures the GPU sees all previous CPU writes to VRAM, which makes it
safe:
* For userspace to stream data from CPU to GPU via VRAM instead of GTT
* For IBs to be stored in VRAM instead of GTT
* For ring buffers to be stored in VRAM instead of GTT, if the HPD flush
is performed via MMIO
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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And clean up the function comment a little.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Both on their own are complex enough.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Need to unblank the display when resuming the MC. No
functional change as this code path is not currently
hit. We always disable the displays entirely rather
than just blanking them.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Seems to make VM flushes more stable on SI and CIK.
v2: only use the PFP on the GFX ring on CIK
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For symmetry with other *_set_wptr hooks.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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PCI GART doesn't support unsnooped access. AGP GART already uses
write-combined CPU mappings.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Looks like the lm63 driver supports the lm64 as well.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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It's only used in radeon_connectors.c.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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That didn't worked correctly any more and opened up a security problem.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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