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path: root/drivers/gpu/drm/radeon/rv770_dpm.c
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2018-06-13treewide: kzalloc() -> kcalloc()Kees Cook1-2/+3
The kzalloc() function has a 2-factor argument form, kcalloc(). This patch replaces cases of: kzalloc(a * b, gfp) with: kcalloc(a * b, gfp) as well as handling cases of: kzalloc(a * b * c, gfp) with: kzalloc(array3_size(a, b, c), gfp) as it's slightly less ugly than: kzalloc_array(array_size(a, b), c, gfp) This does, however, attempt to ignore constant size factors like: kzalloc(4 * 1024, gfp) though any constants defined via macros get caught up in the conversion. Any factors with a sizeof() of "unsigned char", "char", and "u8" were dropped, since they're redundant. The Coccinelle script used for this was: // Fix redundant parens around sizeof(). @@ type TYPE; expression THING, E; @@ ( kzalloc( - (sizeof(TYPE)) * E + sizeof(TYPE) * E , ...) | kzalloc( - (sizeof(THING)) * E + sizeof(THING) * E , ...) ) // Drop single-byte sizes and redundant parens. @@ expression COUNT; typedef u8; typedef __u8; @@ ( kzalloc( - sizeof(u8) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(__u8) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(char) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(unsigned char) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(u8) * COUNT + COUNT , ...) | kzalloc( - sizeof(__u8) * COUNT + COUNT , ...) | kzalloc( - sizeof(char) * COUNT + COUNT , ...) | kzalloc( - sizeof(unsigned char) * COUNT + COUNT , ...) ) // 2-factor product with sizeof(type/expression) and identifier or constant. @@ type TYPE; expression THING; identifier COUNT_ID; constant COUNT_CONST; @@ ( - kzalloc + kcalloc ( - sizeof(TYPE) * (COUNT_ID) + COUNT_ID, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * COUNT_ID + COUNT_ID, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * (COUNT_CONST) + COUNT_CONST, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * COUNT_CONST + COUNT_CONST, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (COUNT_ID) + COUNT_ID, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * COUNT_ID + COUNT_ID, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (COUNT_CONST) + COUNT_CONST, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * COUNT_CONST + COUNT_CONST, sizeof(THING) , ...) ) // 2-factor product, only identifiers. @@ identifier SIZE, COUNT; @@ - kzalloc + kcalloc ( - SIZE * COUNT + COUNT, SIZE , ...) // 3-factor product with 1 sizeof(type) or sizeof(expression), with // redundant parens removed. @@ expression THING; identifier STRIDE, COUNT; type TYPE; @@ ( kzalloc( - sizeof(TYPE) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(THING) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) ) // 3-factor product with 2 sizeof(variable), with redundant parens removed. @@ expression THING1, THING2; identifier COUNT; type TYPE1, TYPE2; @@ ( kzalloc( - sizeof(TYPE1) * sizeof(TYPE2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kzalloc( - sizeof(THING1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kzalloc( - sizeof(THING1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) ) // 3-factor product, only identifiers, with redundant parens removed. @@ identifier STRIDE, SIZE, COUNT; @@ ( kzalloc( - (COUNT) * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) ) // Any remaining multi-factor products, first at least 3-factor products, // when they're not all constants... @@ expression E1, E2, E3; constant C1, C2, C3; @@ ( kzalloc(C1 * C2 * C3, ...) | kzalloc( - (E1) * E2 * E3 + array3_size(E1, E2, E3) , ...) | kzalloc( - (E1) * (E2) * E3 + array3_size(E1, E2, E3) , ...) | kzalloc( - (E1) * (E2) * (E3) + array3_size(E1, E2, E3) , ...) | kzalloc( - E1 * E2 * E3 + array3_size(E1, E2, E3) , ...) ) // And then all remaining 2 factors products when they're not all constants, // keeping sizeof() as the second factor argument. @@ expression THING, E1, E2; type TYPE; constant C1, C2, C3; @@ ( kzalloc(sizeof(THING) * C2, ...) | kzalloc(sizeof(TYPE) * C2, ...) | kzalloc(C1 * C2 * C3, ...) | kzalloc(C1 * C2, ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * (E2) + E2, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * E2 + E2, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (E2) + E2, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * E2 + E2, sizeof(THING) , ...) | - kzalloc + kcalloc ( - (E1) * E2 + E1, E2 , ...) | - kzalloc + kcalloc ( - (E1) * (E2) + E1, E2 , ...) | - kzalloc + kcalloc ( - E1 * E2 + E1, E2 , ...) ) Signed-off-by: Kees Cook <keescook@chromium.org>
2017-05-17drm/radeon: fix include notation and remove -Iinclude/drm flagMasahiro Yamada1-1/+1
Include <drm/*.h> instead of relative path from include/drm, then remove the -Iinclude/drm compiler flag. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-14-git-send-email-yamada.masahiro@socionext.com
2016-03-17drm/radeon: fix indentation.Jérome Glisse1-23/+23
I hate doing this but it hurts my eyes to go over code that does not comply with indentation rules. Only thing that is not only space change is in atom.c all other files are space indentation issues. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-11-25drm/radeon: make some dpm errors debug onlyAlex Deucher1-2/+2
"Could not force DPM to low", etc. is usually harmless and just confuses users. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-11-24drm/radeon: make rv770_set_sw_state failures non-fatalAlex Deucher1-1/+1
On some cards it takes a relatively long time for the change to take place. Make a timeout non-fatal. bug: https://bugs.freedesktop.org/show_bug.cgi?id=76130 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-03-19drm/radeon/rv7xx/eg: implement get_current_sclk/mclkAlex Deucher1-0/+44
Will be used for exposing current clocks via INFO ioctl. Tested-by: Marek Olšák <marek.olsak@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-01-22drm/radeon: comment out some currently unused 7xx dpm codeAlex Deucher1-0/+4
Keep it around for reference. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-10-17drm/radeon: reduce sparse false positive warningsMichele Curti1-0/+1
include radeon_asic.h header file in the various xxx_dpm.c files to reduce sparse false positive warnings. Not so great patch in itself, but reducing warning count from 391 to 258 may help to see real problems.. Signed-off-by: Michele Curti <michele.curti@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-07-11drm/radeon/dpm: Reenabling SS on CaymanAlexandre Demers1-6/+0
It reverts commit c745fe611ca42295c9d91d8e305d27983e9132ef now that Cayman is stable since VDDCI fix. Spread spectrum was not the culprit. This depends on b0880e87c1fd038b84498944f52e52c3e86ebe59 (drm/radeon/dpm: fix vddci setup typo on cayman). Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2014-02-27Merge branch 'drm-next-3.15' of ↵Dave Airlie1-3/+4
git://people.freedesktop.org/~deathsimple/linux into drm-next So this is the initial pull request for radeon drm-next 3.15. Highlights: - VCE bringup including DPM support - Few cleanups for the ring handling code * 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux: drm/radeon: cleanup false positive lockup handling drm/radeon: drop radeon_ring_force_activity drm/radeon: drop drivers copy of the rptr drm/radeon/cik: enable/disable vce cg when encoding v2 drm/radeon: add support for vce 2.0 clock gating drm/radeon/dpm: properly enable/disable vce when vce pg is enabled drm/radeon/dpm: enable dynamic vce state switching v2 drm/radeon: add vce dpm support for KV/KB drm/radeon: enable vce dpm on CI drm/radeon: add vce dpm support for CI drm/radeon: fill in set_vce_clocks for CIK asics drm/radeon/dpm: fetch vce states from the vbios drm/radeon/dpm: fill in some initial vce infrastructure drm/radeon/dpm: move platform caps fetching to a separate function drm/radeon: add callback for setting vce clocks drm/radeon: add VCE version parsing and checking drm/radeon: add VCE ring query drm/radeon: initial VCE support v4 drm/radeon: fix CP semaphores on CIK
2014-02-18drm/radeon/dpm: reduce r7xx vblank mclk threshold to 200Alex Deucher1-8/+1
Most laptops seems to have a vblank period of less than 300 and mclk switching works fine. Drop the quirk and set the default threshold to 200. bug: https://bugzilla.kernel.org/show_bug.cgi?id=70701 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-02-18drm/radeon/dpm: move platform caps fetching to a separate functionAlex Deucher1-3/+4
It's needed by by both the asic specific functions and the extended table parser. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-02-06drm/radeon/dpm: use stored max_vddc rather than looking it upAlex Deucher1-3/+2
When we parse the power tables use the stored mac_vddc value rather than lookig it up manually each time. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-01-21drm/radeon/dpm: disable mclk switching on desktop RV770Alex Deucher1-0/+6
Mclk switching doesn't seem to work reliably on these cards. Most RV770 boards specify the same mclk for all performance levels anyway so in most cases, this has no affect. Bug: https://bugs.freedesktop.org/show_bug.cgi?id=73067 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2014-01-21drm/radeon: add query to fetch the max engine clock (v2)Alex Deucher1-8/+6
This is needed for reporting the max GPU engine clock in OpenCL. This just reports the max possible engine clock, it does not take into account current conditions that may limit that clock. v2: fix query number for merge with 3.13 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-01-20Merge branch 'drm-intel-next' of ↵Dave Airlie1-0/+6
git://people.freedesktop.org/~danvet/drm-intel into drm-next drm-intel-next-2014-01-10: - final bits for runtime D3 on Haswell from Paul (now enabled fully) - parse the backlight modulation freq information in the VBT from Jani (but not yet used) - more watermark improvements from Ville for ilk-ivb and bdw - bugfixes for fastboot from Jesse - watermark fix for i830M (but not yet everything) - vlv vga hotplug w/a (Imre) - piles of other small improvements, cleanups and fixes all over Note that the pull request includes a backmerge of the last drm-fixes pulled into Linus' tree - things where getting a bit too messy. So the shortlog also contains a bunch of patches from Linus tree. Please yell if you want me to frob it for you a bit. * 'drm-intel-next' of git://people.freedesktop.org/~danvet/drm-intel: (609 commits) drm/i915/bdw: make sure south port interrupts are enabled properly v2 drm/i915: Include more information in disabled hotplug interrupt warning drm/i915: Only complain about a rogue hotplug IRQ after disabling drm/i915: Only WARN about a stuck hotplug irq ONCE drm/i915: s/hotplugt_status_gen4/hotplug_status_g4x/
2013-12-25drm/radeon/dpm: switch on new late_enable callbackAlex Deucher1-17/+2
Right now it's called right after enable, but after reworking the dpm init order, it will get called later to accomodate loading the smc early, but enabling thermal interrupts and block powergating later after the ring tests are complete. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for rv7xx-NIAlex Deucher1-0/+22
Make sure interrupts are enabled before we enable thermal interrupts. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-17drm/radeon/dpm: disable ss on CaymanAlex Deucher1-0/+6
Spread spectrum seems to cause hangs when dynamic clock switching is enabled. Disable it for now. This does not affect performance or the amount of power saved. Tracked down by Martin Andersson. bug: https://bugs.freedesktop.org/show_bug.cgi?id=69723 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2013-09-16drm/radeon/dpm: rework auto performance level enableAlex Deucher1-6/+0
Calling force_performance_level() from set_power_state() doesn't work on some asics because the current power state pointer has not been properly updated at that point. Move the calls to force_performance_level() out of the asic specific set_power_state() functions and into the main power state sequence. Fixes dpm resume on SI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-09-11drm/radeon/dpm: fix fallback for empty UVD clocksAlex Deucher1-3/+7
Some older 6xx-7xx boards didn't always fill in the UVD clocks properly in the UVD power states. This leads to the driver trying to set a 0 clock which results in slow or broken UVD playback. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=69120 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2013-08-31drm/radeonn: gcc fixes for rv7xx/eg/btc dpmAlex Deucher1-2/+3
Newer versions of gcc seem to wander off into the weeds when dealing with variable sizes arrays in structs. Rather than indexing the arrays, use pointer arithmetic. See bugs: https://bugs.freedesktop.org/show_bug.cgi?id=66932 https://bugs.freedesktop.org/show_bug.cgi?id=66972 https://bugs.freedesktop.org/show_bug.cgi?id=66945 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-08-31drm/radeon/dpm: add reclocking quirk for ASUS K70AFAlex Deucher1-1/+9
The LCD has a relatively short vblank time (216us), but the card is able to reclock memory fine in that time. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reported-by: normalrawr@gmail.com
2013-08-08drm/radeon/dpm: fix spread spectrum setup (v2)Alex Deucher1-13/+17
Need to check for engine and memory clock ss separately and only enable dynamic ss if either of them are found. This should fix systems which have a ss table, but do not have entries for engine or memory. On those systems we may enable dynamic spread spectrum without enabling it on the engine or memory clocks which can lead to a hang in some cases. fixes some systems reported here: https://bugs.freedesktop.org/show_bug.cgi?id=66963 v2: fix typo Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-08-08drm/radeon/dpm: adjust thermal protection requirementsAlex Deucher1-2/+1
On rv770 and newer, clock gating is not required for thermal protection. The only requirement is that the design utilizes a thermal sensor. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-17drm/radeon: add a module parameter to disable aspmAlex Deucher1-6/+8
Can cause hangs when enabled in certain motherboards. Set radeon.aspm=0 to disable aspm. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-09drm/radeon/dpm: implement vblank_too_short callback for 7xxAlex Deucher1-0/+11
Check if we can switch the mclk during the vblank time otherwise we may get artifacts on the screen when the mclk changes. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-09drm/radeon/dpm: fix display_gap programming on rv7xxAlex Deucher1-2/+2
Check the driver state rather than the register as the crtc registers may not be enabled yet. Should fix: https://bugzilla.kernel.org/show_bug.cgi?id=60510 https://bugs.freedesktop.org/show_bug.cgi?id=66651 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-06drm/radeon/dpm: implement force performance levels for 7xx/eg/btcAlex Deucher1-7/+24
Allows you to limit the selected power levels via sysfs. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-03drm/radeon/dpm: fix compilation with certain versions of gccMike Lothian1-0/+1
Add #include <linux/seq_file.h> to *_dpm.c files Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-02drm/radeon/dpm: add debugfs support for 7xx/evergreen/btcAlex Deucher1-0/+30
This allows you to look at the current DPM state via debugfs. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/dpm: fix typo in setting uvd clockAlex Deucher1-1/+1
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28add dpm_set_power_state failure output (7xx-ni)Alex Deucher1-1/+3
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/dpm: add dpm_set_power_state failure output (7xx-ni)Alex Deucher1-5/+15
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/dpm: add dpm_enable failure output (7xx-ni)Alex Deucher1-5/+12
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/dpm/r7xx: properly catch errors in dpm setupAlex Deucher1-15/+39
We weren't properly catching errors in dpm_enable() and dpm_set_power_state(). Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon: update radeon_atombios_get_default_voltages for mvddAlex Deucher1-2/+2
Add a way to look up the bootup mvdd. Required for DPM on SI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon: update radeon_atom_is_voltage_gpio() for SIAlex Deucher1-2/+2
SI uses a new atom table. Required for DPM on SI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/dpm/rv7xx: restructure codeAlex Deucher1-36/+41
Needed to properly handle dynamic state adjustment. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/dpm: fixup dynamic state adjust for btc (v2)Alex Deucher1-0/+10
Use a dedicated copy of the current power state since we may have to adjust it on the fly. v2: fix up redundant state sets Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon: add dpm UVD handling for evergreen/btc asicsAlex Deucher1-13/+17
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon: add dpm UVD handling for r7xx asicsAlex Deucher1-0/+34
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/kms: add dpm support for evergreen (v4)Alex Deucher1-8/+37
This adds dpm support for evergreen asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching (requires additional acpi support) Set radeon.dpm=1 to enable. v2: reduce stack usage, rename ulv struct v3: fix thermal interrupt check notices by Jerome v4: fix state enable Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-28drm/radeon/kms: add dpm support for rv7xx (v4)Alex Deucher1-0/+2337
This adds dpm support for rv7xx asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching Set radeon.dpm=1 to enable. v2: reduce stack usage v3: fix 64 bit div v4: fix state enable Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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