Calls to set_memory_wb() incure heavy TLB flush and IPI cost. To
minimize those wait until pool grow beyond batch size before
draining the pool.
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Reviewed-and-Tested-by: Michel Dänzer <michel@daenzer.net>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Current code never allowed the page pool to actualy fill in anyway.
This fix it, so that we only start freeing page from the pool when
we go over the pool size.
Changed since v1:
- Move the page batching optimization to its separate patch.
Changed since v2:
- Do not remove code part of the batching optimization with
this patch.
- Better commit message.
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
These patches fix the parallel-display driver to use the standard OF
graph bindings for connecting a drm_panel via device tree instead of
an undocumented, driver specific device tree property, take care to
disable all IPU interrupts before setting up the irq chip to fix a
kexec lockup, and fix VGA output on i.MX53-QSB boards by correcting
the media bus format set by the imx-tve driver.
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Merge tag 'imx-drm-fixes-2015-07-14' of git://git.pengutronix.de/git/pza/linux into drm-fixes
imx-drm: fixes for parallel-display, imx-tve, and ipu-common
These patches fix the parallel-display driver to use the standard OF
graph bindings for connecting a drm_panel via device tree instead of
an undocumented, driver specific device tree property, take care to
disable all IPU interrupts before setting up the irq chip to fix a
kexec lockup, and fix VGA output on i.MX53-QSB boards by correcting
the media bus format set by the imx-tve driver.
* tag 'imx-drm-fixes-2015-07-14' of git://git.pengutronix.de/git/pza/linux:
drm/imx: tve: fix media bus format for VGA output
GPU: ipu: fix lockup caused by pending chained interrupts
drm/imx: parallel-display: fix drm_panel support
A range of fixes for the Armada DRM driver:
- A missing wakeup could result in overlay frames being delayed, causing
video playback to hiccup.
- Avoid unmapping a dma-buf attachment which was never mapped
- Fix the overlay when partially off the screen by switching to the
drm_plane_helper_check_update() helper and using the calculated
coordinates to set the start address.
- Remove an incorrect assignment to crtc->mode - which should be the
unadjusted mode.
- Fix a missing call to drm_plane_cleanup() in the overlay code.
* 'drm-armada-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
drm/armada: avoid saving the adjusted mode to crtc->mode
drm/armada: fix overlay when partially off-screen
drm/armada: convert overlay to use drm_plane_helper_check_update()
drm/armada: fix gem object free after failed prime import
drm/armada: fix incorrect overlay plane cleanup
drm/armada: fix missing overlay wake-up
Next batch of i915 fixes. Note that the compat32 patch here needs the drm
core one to be actually useful, I'll send you that one with a separate
drm-fixes pull request. One revert because a fix in -rc2 did break
existing userspace.
* tag 'drm-intel-fixes-2015-07-15' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Do not call intel_crtc_disable if the crtc is already disabled.
Revert "drm/i915: Declare the swizzling unknown for L-shaped configurations"
drm/i915: Forward all core DRM ioctls to core compat handling
drm/i915: fix oops in primary_check_plane
drm/i915: remove unused has_dma_mapping flag
drm/i915: Fix missing return warning for !CONFIG_DEBUGFS
drm/i915: avoid leaking DMA mappings
drm/i915: Snapshot seqno of most recently submitted request.
drm/i915: Store device pointer in contexts for late tracepoint usafe
Ok next attempt at drm-fixes pull. Big thing really is just the compat32
one for addfb2.1.
* tag 'topic/drm-fixes-2015-07-16' of git://anongit.freedesktop.org/drm-intel:
drm: Provide compat ioctl for addfb2.1
Documentation: drm: Fix tablulation in KMS properties table
drm: add a check for x/y in drm_mode_setcrtc
drm/rockchip: use drm_gem_mmap helpers
Something (ATOM BIOS?) seems to be clobbering the LB_INTERRUPT_MASK
register while the CRTC is off, which caused e.g. glxgears or
gnome-shell to hang after a modeset.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
So the selected forced level shows up properly in sysfs.
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is necessary to properly reset the min/max limits before
clamping them otherwise we may get improper clamping depending
on what what was the last forced level.
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Always respect the harvest configuration as is.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
If we run into a part with a harvest configuration where the entire
IP block is unusable, just disable the IP block.
v2: fix logic as noted by Christian
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Just to make sure userspace don't send nonsense to the kernel.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Port of amdgpu patch 9298e52f8b.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This can be the case when the GPU is powered off, e.g. via vgaswitcheroo
or runpm. When the GPU is powered up again, radeon_gart_table_vram_pin
flushes the TLB after setting rdev->gart.ptr to non-NULL.
Fixes panic on powering off R7xx GPUs.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61529
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
We're not supposed to store the adjusted mode into crtc->mode. We don't
use it anyway, so we can safely remove this.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Fix the start address calculation when overlay is partially off screen.
fb->bits_per_pixel is not set for YUV formats, and is always zero, which
led to the first component always starting at zero.
Use drm_format_plane_cpp() instead.
This also revealed a problem in that YUYV formats toggle the U/V data
for odd pixel start address offsets. We try to rectify that by
toggling the U/V swap, which for the most part works, but seemingly
introduces a flicker for one scan frame of swapped U/V.
However, these changes result in an overall improvement.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Use drm_plane_helper_check_update() rather than our own code to validate
and limit the size of the displayed image. As we are able to support
scaling, permit the full scaling ability.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Fix the gem object freeing after a partial import of a dma buffer,
eg, one which has been imported, but not mapped. This was provoking
a warning from the dma_buf code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The Armada overlay plane wasn't being properly cleaned up as it was
missing a call to drm_plane_cleanup(). It also wasn't freeing the
right type of pointer (although we were still freeing the right
pointer value.)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Nothing was waking up the overlay plane wait queue, so we were fully
reliant on the HZ/25 wait timing out to make progress. Fix the lack
of wake-up.
We were also mis-handling the wait_event_timeout() return value - this
returns an unsigned integer of the remaining time, or zero on timeout
and the condition evaluated false. Checking this for less than zero
is not sane.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Frame buffer modifiers extensions provided in;
commit e3eb3250d8
Author: Rob Clark <robdclark@gmail.com>
Date: Thu Feb 5 14:41:52 2015 +0000
drm: add support for tiled/compressed/etc modifier in addfb2
Missed the structure packing/alignment problem where 64-bit
members were added after the odd number of 32-bit ones. This
makes the compiler produce structures of different sizes under
32- and 64-bit x86 targets and makes the ioctl need explicit
compat handling.
v2: Removed the typedef. (Daniel Vetter)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: Rob Clark <robdclark@gmail.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: stable@vger.kernel.org
[danvet: Squash in compile fix from Mika.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This reverts commit 19ee835cdb.
It breaks existing old userspace which doesn't handle UNKNOWN
swizzling correct. Yes UNKNOWN was a thing back in 2009 and probably
still is on some other platforms, but it still pretty clearly broke
the testers machine. If we want this we need to extend the ioctl with
new paramters that only new userspace looks at.
Cc: Harald Arnesen <harald@skogtun.org>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reported-by: Harald Arnesen <harald@skogtun.org>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Previously only core DRM ioctls under the DRM_COMMAND_BASE were being
forwarded, but the drm.h header suggests (and reality confirms) ones
after (and including) DRM_COMMAND_END should be forwarded as well.
We need this to correctly forward the compat ioctl for the botched-up
addfb2.1 extension.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: stable@vger.kernel.org # 4.1+
[danvet: Explain why this is suddenly needed and add cc: stable.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
On Sun, Jul 12, 2015 at 09:52:51AM -0700, Linus Torvalds wrote:
> On Sun, Jul 12, 2015 at 1:03 AM, Jörg Otte <jrg.otte@gmail.com> wrote:
> > BUG: unable to handle kernel NULL pointer dereference at 0000000000000009
> > IP: [<ffffffffbd3447bb>] 0xffffffffbd3447bb
>
> Ugh. Please enable KALLSYMS to get sane symbols.
>
> But yes, "crtc_state->base.active" is at offset 9 from "crtc_state",
> so it's pretty clearly just that change frm
>
> - if (intel_crtc->active) {
> + if (crtc_state->base.active) {
>
> and "crtc_state" is NULL.
>
> And the code very much knows that crtc_state can be NULL, since it's
> initialized with
>
> crtc_state = state->base.state ?
> intel_atomic_get_crtc_state(state->base.state,
> intel_crtc) : NULL;
>
> Tssk. Daniel? Should I just revert that commit dec4f799d0
> ("drm/i915: Use crtc_state->active in primary check_plane func") for
> now, or is there a better fix? Like just checking crtc_state for NULL?
Indeed embarrassing. I've missed that we still have 1 caller left that's
using the transitional helpers, and those don't fill out
plane_state->state backpointers to the global atomic update since there is
no global atomic update for transitional helpers. Below diff should fix
this - we need to preferentially check crts_state->active and if that's
not set intel_crtc->active should yield the right result for the one
remaining caller (it's in the crtc_disable paths).
This fixes a regression introduced in
commit dec4f799d0
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Jul 7 11:15:47 2015 +0200
drm/i915: Use crtc_state->active in primary check_plane func
which was quickly reverted in
commit 01e2d0627a
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Jul 12 15:00:20 2015 -0700
Revert "drm/i915: Use crtc_state->active in primary check_plane func"
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jörg Otte <jrg.otte@gmail.com>
Reported-and-tested-by: Jörg Otte <jrg.otte@gmail.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
After the previous patch this flag will check always clear, as it's
never set for shmem backed and userptr objects, so we can remove it.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Yeah this isn't really fixes but it's a nice cleanup to
clarify the code but not really worth the hassle of backmerging. So
just add to -fixes, we're still early in -rc.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This broken code was introduced in
commit aa7471d228
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Apr 1 11:15:21 2015 +0300
drm/i915: add i915 specific connector debugfs file for DPCD
v2: Drop hunk that accidentally crept in.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Cc: François Valenduc <francoisvalenduc@gmail.com>
Reported-by: François Valenduc <francoisvalenduc@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
We have 3 types of DMA mappings for GEM objects:
1. physically contiguous for stolen and for objects needing contiguous
memory
2. DMA-buf mappings imported via a DMA-buf attach operation
3. SG DMA mappings for shmem backed and userptr objects
For 1. and 2. the lifetime of the DMA mapping matches the lifetime of the
corresponding backing pages and so in practice we create/release the
mapping in the object's get_pages/put_pages callback.
For 3. the lifetime of the mapping matches that of any existing GPU binding
of the object, so we'll create the mapping when the object is bound to
the first vma and release the mapping when the object is unbound from its
last vma.
Since the object can be bound to multiple vmas, we can end up creating a
new DMA mapping in the 3. case even if the object already had one. This
is not allowed by the DMA API and can lead to leaked mapping data and
IOMMU memory space starvation in certain cases. For example HW IOMMU
drivers (intel_iommu) allocate a new range from their memory space
whenever a mapping is created, silently overriding a pre-existing
mapping.
Fix this by moving the creation/removal of DMA mappings to the object's
get_pages/put_pages callbacks. These callbacks already check for and do
an early return in case of any nested calls. This way objects of the 3.
case also become more like the other object types.
I noticed this issue by enabling DMA debugging, which got disabled after
a while due to its internal mapping tables getting full. It also reported
errors in connection to random other drivers that did a DMA mapping for
an address that was previously mapped by i915 but was never released.
Besides these diagnostic messages and the memory space starvation
problem for IOMMUs, I'm not aware of this causing a real issue.
The fix is based on a patch from Chris.
v2:
- move the DMA mapping create/remove calls to the get_pages/put_pages
callbacks instead of adding new callbacks for these (Chris)
v3:
- also fix the get_page cache logic on the userptr async path (Chris)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The hang checker needs to inspect whether or not the ring request list is empty
as well as if the given engine has reached or passed the most recently
submitted request. The problem with this is that the hang checker cannot grab
the struct_mutex, which is required in order to safely inspect requests since
requests might be deallocated during inspection. In the past we've had kernel
panics due to this very unsynchronized access in the hang checker.
One solution to this problem is to not inspect the requests directly since
we're only interested in the seqno of the most recently submitted request - not
the request itself. Instead the seqno of the most recently submitted request is
stored separately, which the hang checker then inspects, circumventing the
issue of synchronization from the hang checker entirely.
This fixes a regression introduced in
commit 44cdd6d219
Author: John Harrison <John.C.Harrison@Intel.com>
Date: Mon Nov 24 18:49:40 2014 +0000
drm/i915: Convert 'ring_idle()' to use requests not seqnos
v2 (Chris Wilson):
- Pass current engine seqno to ring_idle() from i915_hangcheck_elapsed() rather
than compute it over again.
- Remove extra whitespace.
Issue: VIZ-5998
Signed-off-by: Tomas Elf <tomas.elf@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Add regressing commit citation provided by Chris.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hardware cursor windows only have some fixed size, and not support
width virtual, when move hardware cursor windows outside of left,
the display would be wrong, so this window can't for cursor now.
And Tag hardware cursor window as a overlay is wrong, will make
userspace wrong behaviour.
So just remove the hardware cursor window
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Window 1 support scale and yuv format, it's waste use it for a
cursor, use window 3 is enough.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
platform_driver does not need to set an owner because
platform_driver_register() will set it.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Rather than (incompletely [0]) re-implementing drm_gem_mmap() and
drm_gem_mmap_obj() helpers, call them directly from the rockchip mmap
routines.
Once the core functions return successfully, the rockchip mmap routines
can still use dma_mmap_attrs() to simply mmap the entire buffer.
[0] Previously, we were performing the mmap() without first taking a
reference on the underlying gem buffer. This could leak ptes if the gem
object is destroyed while userspace is still holding the mapping.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Add a check for the presence of fb_helper to rockchip_drm_output_poll_changed()
to only call drm_fb_helper_hotplug_event if there is actually a fb_helper
available. Without this check I see NULL pointer dereferences when the
hdmi hotplug irq fires before the fb_helper got initialized.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
VOP can support BGR formats in all windows thanks to red/blue swap option
provided in WINx_CTRL0 registers. This patch enables support for
ABGR8888, XBGR8888, BGR888 and BGR565 formats by using this feature.
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
This reverts commit dec4f799d0.
Jörg Otte reports a NULL pointder dereference due to this commit, as
'crtc_state' very much can be NULL:
crtc_state = state->base.state ?
intel_atomic_get_crtc_state(state->base.state, intel_crtc) : NULL;
So the change to test 'crtc_state->base.active' cannot possibly be
correct as-is.
There may be some other minimal fix (like just checking crtc_state for
NULL), but I'm just reverting it now for the rc2 release, and people
like Daniel Vetter who actually know this code will figure out what the
right solution is in the longer term.
Reported-and-bisected-by: Jörg Otte <jrg.otte@gmail.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
CC: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit a7c6e76fee ("drm/imx: switch to use media bus formats") accidentally
replaced IPU_PIX_FMT_GBR24 with MEDIA_BUS_FMT_YUV8_1X24 instead of the correct
MEDIA_BUS_FMT_GBR888_1X24. This patch is needed to fix VGA output in i.MX53.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Even with the oops fixed by a previous patch, the system still fails to
kexec, due to a stuck chained interrupt locking the system. We must
disable the child interrupts prior to setting up the irq chip to ensure
we don't get stuck here.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
The parallel-display driver used an undocumented, non-standard property
"fsl,panel" to optionally associate with a drm_panel device. This patch
fixes the driver to use the same OF graph bindings as the LDB driver
instead:
parallel-display {
compatible = "fsl,imx-parallel-display";
...
port@1 {
reg = <1>;
parallel_out: endpoint {
remote_endpoint = <&panel_in>;
};
};
};
panel {
...
port {
panel_in: endpoint {
remote-endpoint = <¶llel_out>;
};
};
};
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Gary Bisson <gary.bisson@boundarydevices.com>
Small fixes for omapdrm, including:
* Fix packed 24 bit color formats
* Ensure the planes are inside the crtc
* Handle out-of-dma-memory error
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Merge tag 'omapdrm-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-fixes
omapdrm fixes for 4.2
Small fixes for omapdrm, including:
* Fix packed 24 bit color formats
* Ensure the planes are inside the crtc
* Handle out-of-dma-memory error
* tag 'omapdrm-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN
drm/omap: fix align_pitch() for 24 bits per pixel
drm/omap: fix omap_gem_put_paddr() error handling
drm/omap: fix omap_framebuffer_unpin() error handling
drm/omap: increase DMM transaction timeout
drm/omap: check that plane is inside crtc
drm/omap: return error if dma_alloc_writecombine fails
Pile of fixes for either 4.2 issues or cc: stable. This should fix the 2nd
kind of WARNING Linus's been seeing, please ask him to scream if that's
not the case.
* tag 'drm-intel-fixes-2015-07-09' of git://anongit.freedesktop.org/drm-intel:
Revert "drm/i915: Allocate context objects from stolen"
drm/i915: Declare the swizzling unknown for L-shaped configurations
drm/i915: Use crtc_state->active in primary check_plane func
drm/i915: Check crtc->active in intel_crtc_disable_planes
drm/i915: Restore all GGTT VMAs on resume
drm/i915/chv: fix HW readout of the port PLL fractional divider
A single fix so far for 4.2:
- checking a pointer is not null before using it
* tag 'drm-amdkfd-fixes-2015-07-09' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdkfd: validate pdd where it acquired first
Cayman does not have vce. There were a few places in the
shared cayman/TV code where we were trying to do vce stuff.
v2: remove -ENOENT check
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Jérôme Glisse