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2012-12-14drm/exynos: add rotator ipp driverEunchul Kim7-0/+985
This patch adds IPP subsystem-based rotator driver. And Rotator supports the following features. - Image crop operation support. - Rotate operation support to 90, 180 or 270 degree. - Flip operation support to vertical, horizontal or both. . as limitaions, the pixel format to source buffer should be same as the one to destination buffer and no scaler. This driver is registered to IPP subsystem framework to be used by user side and user can control the Rotator hardware through some interfaces of IPP subsystem framework. Changelog v6: - fix build warning. Changelog v1 ~ v5: - added comments, code fixups and cleanups. Signed-off-by: Eunchul Kim <chulspro.kim@samsung.com> Signed-off-by: Youngjun Cho <yj44.cho@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-14drm/exynos: add fimc ipp driverEunchul Kim8-0/+2756
FIMC is stand for Fully Interfactive Mobile Camera and supports image scaler/rotator/crop/flip/csc and input/output DMA operations and also supports writeback and display output operations. This driver is registered to IPP subsystem framework to be used by user side and user can control the FIMC hardware through some interfaces of IPP subsystem framework. Changelog v6: - fix build warning. Changelog v1 ~ v5: - add comments, code fixups and cleanups. Signed-off-by: Eunchul Kim <chulspro.kim@samsung.com> Signed-off-by: Jinyoung Jeon <jy0.jeon@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-14drm/exynos: add iommu support for ippEunchul Kim1-0/+18
This patch adds iommu support for IPP subsystem framework. For this, it adds subdrv_probe/remove callback to enable or disable ipp iommu. We can get or put device address to a gem handle from user through exynos_drm_gem_get/put_dma_addr(). Signed-off-by: Eunchul Kim <chulspro.kim@samsung.com> Signed-off-by: Jinyoung Jeon <jy0.jeon@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-14drm/exynos: add ipp subsystemEunchul Kim7-0/+2536
This patch adds Image Post Processing(IPP) support for exynos drm driver. IPP supports image scaler/rotator and input/output DMA operations using IPP subsystem framework to control FIMC, Rotator and GSC hardware and supports some user interfaces for user side. And each IPP-based drivers support Memory to Memory operations with various converting. And in case of FIMC hardware, it also supports Writeback and Display output operations through local path. Features: - Memory to Memory operation support. - Various pixel formats support. - Image scaling support. - Color Space Conversion support. - Image crop operation support. - Rotate operation support to 90, 180 or 270 degree. - Flip operation support to vertical, horizontal or both. - Writeback operation support to display blended image of FIMD fifo on screen A summary to IPP Subsystem operations: First of all, user should get property capabilities from IPP subsystem and set these properties to hardware registers for desired operations. The properties could be pixel format, position, rotation degree and flip operation. And next, user should set source and destination buffer data using DRM_EXYNOS_IPP_QUEUE_BUF ioctl command with gem handles to source and destinition buffers. And next, user can control user-desired hardware with desired operations such as play, stop, pause and resume controls. And finally, user can aware of dma operation completion and also get destination buffer that it contains user-desried result through dequeue command. IOCTL commands: - DRM_EXYNOS_IPP_GET_PROPERTY . get ipp driver capabilitis and id. - DRM_EXYNOS_IPP_SET_PROPERTY . set format, position, rotation, flip to source and destination buffers - DRM_EXYNOS_IPP_QUEUE_BUF . enqueue/dequeue buffer and make event list. - DRM_EXYNOS_IPP_CMD_CTRL . play/stop/pause/resume control. Event: - DRM_EXYNOS_IPP_EVENT . a event to notify dma operation completion to user side. Basic control flow: Open -> Get properties -> User choose desired IPP sub driver(FIMC, Rotator or GSCALER) -> Set Property -> Create gem handle -> Enqueue to source and destination buffers -> Command control(Play) -> Event is notified to User -> User gets destinition buffer complated -> (Enqueue to source and destination buffers -> Event is notified to User) * N -> Queue/Dequeue to source and destination buffers -> Command control(Stop) -> Free gem handle -> Close Changelog v1 ~ v5: - added comments, code fixups and cleanups. Signed-off-by: Eunchul Kim <chulspro.kim@samsung.com> Signed-off-by: Jinyoung Jeon <jy0.jeon@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-14drm/exynos: support device tree for fimdJoonyoung Shim1-0/+21
This adds the of_match_table to exynos-drm fimd driver to be probed from the device tree. Changelog v2: - fix build error without CONFIG_OF. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-14drm/exynos: support extended screen coordinate of fimdJoonyoung Shim1-4/+12
The fimd of exynos5 SoC supports extended screen coordinate. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: fix x, y coordinates for right bottom pixelJoonyoung Shim1-7/+11
The x, y coordinates of right bottom pixel cannot be negative numbers. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: fix fb offset calculation for planeJoonyoung Shim1-5/+1
There is no any reason to change fb offset when CRTC is out of screen. Also, this fixes a typing error. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: hdmi: Fix potential NULL pointer dereference errorSachin Kamat1-0/+2
This is an unlikely case. However to silence the following smatch error add a NULL check: drivers/gpu/drm/exynos/exynos_hdmi.c:2486 hdmi_probe() error: potential NULL dereference 'match'. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: hdmi: Add CONFIG_OF and use of_match_ptr() macroSachin Kamat3-3/+9
Add CONFIG_OF to compile conditionally. of_match_ptr eliminates having an #ifdef returning NULL for the case when OF is disabled. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: add support for hdmiphy power control for exynos5Rahul Sharma2-0/+26
This patch adds support for controlling power of hdmi phy for exynos5 soc. A special bit is provided in exynos5 for directly switching of PHY while in exynos4, phy power needs to be controlled through i2c settings. I2C configuration may affect the suspend to resume and wake-up time requirements hence not added. Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: add runtime pm support for mixerRahul Sharma1-7/+58
This patch adds support for runtime power management for drm mixer driver. Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Shirish S <s.shirish@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: added runtime pm support for hdmiRahul Sharma1-8/+52
This patch adds runtime power management support for exynos drm hdmi driver. Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Shirish S <s.shirish@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-14drm/exynos: fix allocation and cache mapping typeInki Dae1-2/+16
This patch fixes memory alloction(contiguous or not) and cache mapping types(cachable or not). For this, it converts each type from user request into dma attribute properly. Changelog v2: - just code cleanup. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-14drm/exynos: reorder framebuffer init sequenceDaniel Vetter1-12/+24
For user framebuffers it's easier to just inline the exynos_drm_framebuffer_init helper instead of trying to adjust it - most of the things that helper sets up need to be overwritten anyway again due to the multiple backing storage objects support exynos has, but does not use for the fbdev. Changelog v2: - fix NULL point issue to first gem object of exynos drm framebuffer. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos/iommu: fix return value check in drm_create_iommu_mapping()Wei Yongjun1-2/+2
In case of error, function arm_iommu_create_mapping() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: remove unused vaddr memberYoungJun Cho5-20/+4
This patch removes vaddr member from exynos_drm_overlay structure and also relevant codes for code cleanup. Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-13drm/exynos: use DMA_ATTR_NO_KERNEL_MAPPING attributeInki Dae5-25/+32
Changelog v3: just code cleanup. Changelog v2: fix argument to dma_mmap_attr function. - use pages instead of kvaddr because kvaddr is 0 with DMA_ATTR_NO_KERNEL_MAPPING. Changelog v1: When gem allocation is requested, kernel space mapping isn't needed. But if need, such as console framebuffer, the physical pages would be mapped with kernel space though vmap function. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-13drm/exynos: add exception codes to exynos_drm_fbdev_create()Inki Dae1-7/+17
This patch releases allocated resources correctly. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-13drm/exynos: clear windows in fimd dpms offPrathyush K1-1/+39
Changelog v2: Added details of original patch in chromium kernel Changelog v1: When fimd is turned off, we disable the clocks which will stop the dma. Now if we remove the current framebuffer, we cannot disable the overlay but the current framebuffer will still be freed. When fimd resumes, the dma will continue from where it left off and will throw a PAGE FAULT since the memory was freed. This patch fixes the above problem by disabling the fimd windows before disabling the fimd clocks. It also keeps track of which windows were currently active by setting the 'resume' flag. When fimd resumes, the window with a resume flag set is enabled again. Now if a current fb is removed when fimd is off, fimd_win_disable will set the 'resume' flag of that window to zero and return. So when fimd resumes, that window will not be resumed. This patch is based on the following two patches: http://git.chromium.org/gitweb/?p=chromiumos/third_party/kernel.git;a=commitdiff;h=341e973c967304976a762211b6465b0074de62ef http://git.chromium.org/gitweb/?p=chromiumos/third_party/kernel.git;a=commitdiff;h=cfa22e49b7408547c73532c4bb03de47cc034a05 These two patches are rebased onto the current kernel with additional changes like removing 'fimd_win_commit' call from the resume function since this is taken care by encoder dpms, and the modification of resume flag in win_disable. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Stephane Marchesin <marcheu@chromium.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: clear windows in mixer dpms offPrathyush K1-75/+118
When mixer is turned off, we disable the clocks which will stop the dma. Now if we remove the current framebuffer, we cannot disable the overlay but the current framebuffer will still be freed. When mixer resumes, the dma will continue from where it left off and will throw a PAGE FAULT since the memory was freed. This patch fixes the above problem by disabling the mixer windows before disabling the mixer clocks. It also keeps track of which windows were currently active by setting the 'resume' flag. When mixer resumes, the window with a resume flag set is enabled again. Now if a current fb is removed when mixer is off, mixer_win_disable will set the 'resume' flag of that window to zero and return. So when mixer resumes, that window will not be resumed. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: modify wait_for_vblank of fimdPrathyush K1-4/+21
It is more optimium to use wait queues while waiting for vsync so that the current task is put to sleep. This way, the task wont hog the CPU while waiting. We use wait_event_timeout and not an interruptible function since we dont want the function to exit when a signal is pending (e.g. drm release). This patch modifies the wait for vblank function of fimd. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: modify wait_for_vblank of mixerPrathyush K1-5/+26
It is more optimium to use wait queues while waiting for vsync so that the current task is put to sleep. This way, the task wont hog the CPU while waiting. We use wait_event_timeout and not an interruptible function since we dont want the function to exit when a signal is pending (e.g. drm release). This patch modifies the wait for vblank function of mixer. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: move fimd wait_for_vblank to manager_opsPrathyush K1-12/+12
The wait for vblank callback is moved from overlay_ops to manager_ops for fimd. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: move hdmi's wait_for_vblank to manager_opsPrathyush K3-25/+25
The wait_for_vblank callback of hdmi and mixer is now moved from overlay_ops to manager_ops. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: make wait_for_vblank a manager opPrathyush K2-24/+7
Changelog v2: remove unnecessay wait_for_vblank call. - with this patch, wait_for_vblank callback is moved from overlay ops to manager ops so it should be removed and it doesn't need to wait vblank signal at plane disable. Changelog v1: The wait_for_vblank callback is moved from overlay ops to manager ops of exynos drm driver. Also, the check for DPMS OFF of encoder is removed before calling wait_for_vblank. Signed-off-by: Prathyush K <prathyush.k@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-12-13drm/exynos: add dmabuf attach/detach callbacks.Inki Dae1-31/+73
With this patch, When dma_buf_unmap_attachment is called, the pages of sgt aren't unmapped from iommu table. Instead, when dma_buf_detach is called, that would be done. And also removes exynos_get_sgt function used to get clone sgt and uses attachment's sgt instead. This patch would resolve performance deterioration issue when v4l2-based driver is using the buffer imported from gem. This change is derived from videobuf2-dma-contig.c Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-13drm: exynos: moved exynos drm hdmi device registration to drm driverRahul Sharma3-1/+41
This patch moved the exynos-drm-hdmi platform device registration to the drm driver. When DT is enabled, platform devices needs to be registered within the driver code. This patch fits the requirement of both DT and Non DT based drm drivers. Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-13drm: exynos: moved exynos drm device registration to drm driverRahul Sharma1-0/+16
This patch moved the exynos-drm platform device registration to the drm driver. When DT is enabled, platform devices needs to be registered within the driver code. This patch fits the requirement of both DT and Non DT based drm drivers. Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-12-13Merge branch 'drm-next-3.8' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie14-32/+516
into drm-next * 'drm-next-3.8' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: fix fence driver for dma ring when wb is disabled drm/radeon/si: add VM CS checker support for CP DMA drm/radeon/cayman: add VM CS checker support for CP DMA drm/radeon: add support for CP DMA packet to evergreen CS checker drm/radeon: add support for CP DMA packet to r6xx/r7xx CS checker drm/radeon: add register headers for CP DMA on r6xx-SI drm/radeon: improve mc_stop/mc_resume on r5xx-r7xx drm/radeon: fix amd afusion gpu setup aka sumo v2 drm/radeon: do not move bo to different placement at each cs
2012-12-13drm/radeon: fix fence driver for dma ring when wb is disabledJerome Glisse2-2/+3
The dma ring can't write to register thus have to write to memory its fence value. This ensure that it doesn't try to use scratch register for dma ring fence driver. Should fix: https://bugs.freedesktop.org/show_bug.cgi?id=58166 Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-13drm/radeon/si: add VM CS checker support for CP DMAAlex Deucher1-0/+47
Need to verify for copies involving registers. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-13drm/radeon/cayman: add VM CS checker support for CP DMAAlex Deucher1-0/+47
Need to verify for copies involving registers. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-13drm/radeon: add support for CP DMA packet to evergreen CS checkerAlex Deucher1-0/+89
Currently only memory and GDS transfers are allowed. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-13drm/radeon: add support for CP DMA packet to r6xx/r7xx CS checkerAlex Deucher1-0/+72
Currently only memory to memory transfers are allowed. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-13drm/radeon: add register headers for CP DMA on r6xx-SIAlex Deucher3-0/+127
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-12drm/radeon: improve mc_stop/mc_resume on r5xx-r7xxAlex Deucher3-16/+116
Along the same lines of what was done for evergreen+ in the last kernel. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-12drm/radeon: fix amd afusion gpu setup aka sumo v2Jerome Glisse2-4/+6
Set the proper number of tile pipe that should be a multiple of pipe depending on the number of se engine. Fix: https://bugs.freedesktop.org/show_bug.cgi?id=56405 https://bugs.freedesktop.org/show_bug.cgi?id=56720 v2: Don't change sumo2 Signed-off-by: Jerome Glisse <jglisse@redhat.com> Cc: stable@vger.kernel.org Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-12drm/radeon: do not move bo to different placement at each csJerome Glisse2-10/+9
The bo creation placement is where the bo will be. Instead of trying to move bo at each command stream let this work to another worker thread that will use more advance heuristic. agd5f: remove leftover unused variable Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11Merge branch 'drm-next-3.8' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie14-101/+1742
into drm-next Alex writes: "adds support for the asynchronous DMA engines on r6xx-SI. These engines are used for ttm bo moves and VM page table updates currently. They could also be exposed via the CS ioctl for userspace use, but I haven't had a chance to add proper CS checker patches for them yet. These patches have been tested extensively internally for months, so they should be pretty solid." * 'drm-next-3.8' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: use DMA engine for VM page table updates on SI drm/radeon: add dma engine support for vm pt updates on si (v2) drm/radeon: use DMA engine for VM page table updates on cayman/TN drm/radeon: add dma engine support for vm pt updates on ni (v5) drm/radeon: use async dma for ttm buffer moves on 6xx-SI drm/radeon/kms: add support for dma rings to radeon_test_moves() drm/radeon/kms: Add initial support for async DMA on SI drm/radeon/kms: Add initial support for async DMA on cayman/TN drm/radeon/kms: Add initial support for async DMA on evergreen drm/radeon/kms: Add initial support for async DMA on r6xx/r7xx
2012-12-11drm/radeon: use DMA engine for VM page table updates on SIAlex Deucher1-1/+1
DMA engine has special packets to facilitate this and it also keeps the 3D engine free for other things. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon: add dma engine support for vm pt updates on si (v2)Alex Deucher2-24/+90
Async DMA has a special packet for contiguous pt updates which saves overhead. v2: rebase Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon: use DMA engine for VM page table updates on cayman/TNAlex Deucher1-2/+2
DMA engine has special packets to facilitate this and it also keeps the 3D engine free for other things. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon: add dma engine support for vm pt updates on ni (v5)Alex Deucher1-21/+48
Async DMA has a special packet for contiguous pt updates which saves overhead. v2: leave the CP method enabled for now as doing the updates in the DMA rings is not working properly yet. v3: update for 2 level pts v4: rebase v5: drop pte/pde packet. doesn't seem to work on NI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon: use async dma for ttm buffer moves on 6xx-SIAlex Deucher1-18/+18
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon/kms: add support for dma rings to radeon_test_moves()Alex Deucher1-4/+33
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon/kms: Add initial support for async DMA on SIAlex Deucher5-5/+254
Pretty much the same as cayman. Some changes to the copy packets. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon/kms: Add initial support for async DMA on cayman/TNAlex Deucher7-7/+420
There are 2 async DMA engines on cayman, one at 0xd000 and one at 0xd800. The programming interface is the same as evergreen however there are some changes to the commands for using vmids. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon/kms: Add initial support for async DMA on evergreenAlex Deucher4-9/+248
Pretty similar to 6xx/7xx except the count field increased in the packet header and the max IB size increased. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-11drm/radeon/kms: Add initial support for async DMA on r6xx/r7xxAlex Deucher7-12/+630
Uses the new multi-ring infrastucture. 6xx/7xx has a single async DMA ring. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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