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path: root/drivers/gpu/drm/radeon/r600.c
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2012-05-03drm/radeon: use central function for IB testingChristian König
Removing all the different error messages and having just one standard behaviour over all chipset generations. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-02Merge tag 'drm-intel-next-2012-04-23' of ↵Dave Airlie
git://people.freedesktop.org/~danvet/drm-intel into drm-core-next Daniel Vetter writes: A new drm-intel-next pull. Highlights: - More gmbus patches from Daniel Kurtz, I think gmbus is now ready, all known issues fixed. - Fencing cleanup and pipelined fencing removal from Chris. - rc6 residency interface from Ben, useful for powertop. - Cleanups and code reorg around the ringbuffer code (Ben&me). - Use hw semaphores in the pageflip code from Ben. - More vlv stuff from Jesse, unfortunately his vlv cpu is doa, so less merged than I've hoped for - we still have the unused function warning :( - More hsw patches from Eugeni, again, not yet enabled fully. - intel_pm.c refactoring from Eugeni. - Ironlake sprite support from Chris. - And various smaller improvements/fixes all over the place. Note that this pull request also contains a backmerge of -rc3 to sort out a few things in -next. I've also had to frob the shortlog a bit to exclude anything that -rc3 brings in with this pull. Regression wise we have a few strange bugs going on, but for all of them closer inspection revealed that they've been pre-existing, just now slightly more likely to be hit. And for most of them we have a patch already. Otherwise QA has not reported any regressions, and I'm also not aware of anything bad happening in 3.4. * tag 'drm-intel-next-2012-04-23' of git://people.freedesktop.org/~danvet/drm-intel: (420 commits) drm/i915: rc6 residency (fix the fix) drm/i915/tv: fix open-coded ARRAY_SIZE. drm/i915: invalidate render cache on gen2 drm/i915: Silence the change of LVDS sync polarity drm/i915: add generic power management initialization drm/i915: move clock gating functionality into intel_pm module drm/i915: move emon functionality into intel_pm module drm/i915: move drps, rps and rc6-related functions to intel_pm drm/i915: fix line breaks in intel_pm drm/i915: move watermarks settings into intel_pm module drm/i915: move fbc-related functionality into intel_pm module drm/i915: Refactor get_fence() to use the common fence writing routine drm/i915: Refactor fence clearing to use the common fence writing routine drm/i915: Refactor put_fence() to use the common fence writing routine drm/i915: Prepare to consolidate fence writing drm/i915: Remove the unsightly "optimisation" from flush_fence() drm/i915: Simplify fence finding drm/i915: Discard the unused obj->last_fenced_ring drm/i915: Remove unused ring->setup_seqno drm/i915: Remove fence pipelining ...
2012-05-01drm/radeon/kms/hdmi: use relative offsets, official regsRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Tested-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Christian König <deathsimple@vodafone.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-04-24drm/radeon/kms: fix up audio interrupt handlingAlex Deucher
- add support for rs6xx - add support for DCE4/5 - fixup 6xx/7xx Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-04-17Merge tag 'v3.4-rc3' into drm-intel-next-queuedDaniel Vetter
Backmerge Linux 3.4-rc3 into drm-intel-next to resolve a few things that conflict/depend upon patches in -rc3: - Second part of the Sandybridge workaround series - it changes some of the same registers. - Preparation for Chris Wilson's fencing cleanup - we need the fix from -rc3 merged before we can move around all that code. - Resolve the gmbus conflict - gmbus has been disabled in 3.4 again, but should be enabled on all generations in 3.5. Conflicts: drivers/gpu/drm/i915/intel_i2c.c Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-04-12drm/radeon: enable pci bus mastering after card is initialised (v2)Dave Airlie
This closes a race seen with kexec where we enable PCI bus mastering but the card has been reinitialised fully yet. This was previously fixed by a patch from Jerome, but this should close the race completely. v2: add SI support as suggested by Alex. Reported-and-tested-by: Markus Trippelsdorf <markus@trippelsdorf.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-04-10drm/radeon: replace udelay with mdelay for long timeoutsArnd Bergmann
Some architectures require that delays longer than a few miliseconds are called through mdelay. This was triggered on ARM randconfig builds. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-03-21drm/radeon/kms: add support for ucode loading on trinity (v2)Alex Deucher
v2: fix check for MC ucode from Tom. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-03-21drm/radeon/kms: add support for interrupts on SIAlex Deucher
This is mostly identical to evergreen/ni, however there are some additional fields in the IV vector for RINGID and VMID. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-03-15drm: Merge tag 'v3.3-rc7' into drm-core-nextDave Airlie
Merge the fixes so far into core-next, needed to test intel driver. Conflicts: drivers/gpu/drm/i915/intel_ringbuffer.c
2012-03-07drm/radeon: fix a semaphore deadlock on pre cayman asicsChristian König
The out of order execution of semaphore commands on pre cayman asics doesn't work correctly and can cause deadlocks, so turn it off for now. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-02-29drm/radeon/kms: make ring_start, ring_test, and ib_test per ringAlex Deucher
Each ring type may need a different variant. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König<christian.koenig@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-02-29drm/radeon/kms: reorganize copy callbacksAlex Deucher
tidy up the radeon_asic struct, handle multiple rings better. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König<christian.koenig@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-02-29drm/radeon/kms: no need to align IB like thisChristian König
So don't confuse devs by doing so. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Alex Deucher <alex.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-02-22drm/radeon/kms: properly set accel working flag and bailout when falseJerome Glisse
If accel is not working many subsystem such as the ib pool might not be initialized properly that can lead to segfault inside kernel when cs ioctl is call with non working acceleration. To avoid this make sure the accel working flag is false when an error in GPU startup happen and return EBUSY from cs ioctl if accel is not working. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-05drm/radeon: make ib size variableJerome Glisse
This avoid to waste ib pool size and avoid a bunch of wait for previous ib to finish. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon: introduce a sub allocator and convert ib pool to it v4Jerome Glisse
Somewhat specializaed sub-allocator designed to perform sub-allocation for command buffer not only for current cs ioctl but for future command submission ioctl as well. Patch also convert current ib pool to use the sub allocator. Idea is that ib poll buffer can be share with other command buffer submission not having 64K granularity. v2 Harmonize pool handling and add suspend/resume callback to pin/unpin sa bo (tested on rv280, rv370, r420, rv515, rv610, rv710, redwood, cayman, rs480, rs690, rs880) v3 Simplify allocator v4 Fix radeon_ib_get error path to properly free fence Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon/kms: add support for per-ring fence interruptsAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <deathsimple@vodafone.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon/kms: add some new ring params to better handle other ring typesAlex Deucher
Some rptr/wptrs fields have different offsets and not all rings are pm4 so add a new nop field. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <deathsimple@vodafone.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon: precompute fence cpu/gpu addr once v3Jerome Glisse
Add a start fence driver helper function which will be call once for each ring and will compute cpu/gpu addr for fence depending on wether to use wb buffer or scratch reg. This patch replace initialize fence driver separately which was broken in regard of GPU lockup. The fence list for created, emited, signaled must be initialize once and only from the asic init callback not from the startup call back which is call from the gpu reset. v2: With this in place we no longer need to know the number of rings in fence_driver_init, also writing to the scratch reg before knowing its offset is a bad idea. v3: rebase on top of change to previous patch in the serie Signed-off-by: Christian König <deathsimple@vodafone.de> Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon: move ring debugfs into radeon_ring.cChristian König
Those debugfs files aren't r600 specific, so they shouldn't be in r600.c. Move them to radeon_ring.c and also add functionality to dump CP1 & CP2 ring informations. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon: rename struct radeon_cp to radeon_ringChristian König
That naming seems to make more sense, since we not only want to run PM4 rings with it. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon: make cp variable an arrayChristian König
Replace cp, cp1 and cp2 members with just an array of radeon_cp structs. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon: make ring rptr and wptr register offsets variableChristian König
Every ring seems to have the concept of read and write pointers. Make the register offset variable so we can use the functions for different types of rings. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon: make all functions work with multiple rings.Christian König
Give all asic and radeon_ring_* functions a radeon_cp parameter, so they know the ring to work with. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon/kms: add support for semaphores v3Christian König
They are used to sync between rings, while fences sync between a ring and the cpu. v2 Fix radeon_semaphore_driver_fini when no semaphore were allocated. v3 Initialize list early on to avoid issue in case or early error Signed-off-by: Christian König <deathsimple@vodafone.de> Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-12-20drm/radeon/kms: add support for multiple fence queues v2Alex Deucher
For supporting multiple CP ring buffers, async DMA engines and UVD. We still need a way to synchronize between engines. v2 initialize unused fence driver ring to avoid issue in suspend/unload Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/kms: optimize r600_pm_profile_initAlex Deucher
Avoid a lot of extra loops through the pm state array. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-11drm/radeon/kms/pm: add a proper pm profile init function for fusionAlex Deucher
The new power tables need to be handled differently when setting up the profiles. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (40 commits) vmwgfx: Snoop DMA transfers with non-covering sizes vmwgfx: Move the prefered mode first in the list vmwgfx: Unreference surface on cursor error path vmwgfx: Free prefered mode on error path vmwgfx: Use pointer return error codes vmwgfx: Fix hw cursor position vmwgfx: Infrastructure for explicit placement vmwgfx: Make the preferred autofit mode have a 60Hz vrefresh vmwgfx: Remove screen object active list vmwgfx: Screen object cleanups drm/radeon/kms: consolidate GART code, fix segfault after GPU lockup V2 drm/radeon/kms: don't poll forever if MC GDDR link training fails drm/radeon/kms: fix DP setup on TRAVIS bridges drm/radeon/kms: set HPD polarity in hpd_init() drm/radeon/kms: add MSI module parameter drm/radeon/kms: Add MSI quirk for Dell RS690 drm/radeon/kms: Add MSI quirk for HP RS690 drm/radeon/kms: split MSI check into a separate function vmwgfx: Reinstate the update_layout ioctl drm/radeon/kms: always do extended edid probe ...
2011-11-04drm/radeon/kms: consolidate GART code, fix segfault after GPU lockup V2Jerome Glisse
After GPU lockup VRAM gart table is unpinned and thus its pointer becomes unvalid. This patch move the unpin code to a common helper function and set pointer to NULL so that page update code can check if it should update GPU page table or not. That way bo still bound to GART can be unbound (pci_unmap_page for all there page) properly while there is no need to update the GPU page table. V2 move the test for null gart out of the loop, small optimization Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-03drm/radeon/kms: set HPD polarity in hpd_init()Alex Deucher
Polarity needs to be set accordingly to connector status (connected or disconnected). Set it up in hpd_init() so first hotplug works reliably no matter what is the initial set of connector. hpd_init() also covers resume so HPD will work correctly after resume as well. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Jerome Glisse <j.glisse@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-01drm/radeon/kms: allocate vram scratch page on 6xx+Alex Deucher
The vram scratch was originally only used on some 7xx asics to work around a hw bug. Allocate the scratch page on all 6xx+ radeons and set the MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR to point to it. We shouldn't ever hit it since we limit the system aperture to vram or vram and AGP, but better safe than sorry. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-01drm/radeon: flush read cache for gtt with fence on r6xx and newer GPU V3Jerome Glisse
Cayman seems to be particularly sensitive to read cache returning old data after bind/unbind to GTT. Flush read cache for GTT range with each fences for all new hw. Should fix several rendering glitches. Like V2 flush whole address space V3 also flush shader read cache https://bugs.freedesktop.org/show_bug.cgi?id=40221 https://bugs.freedesktop.org/show_bug.cgi?id=38022 https://bugzilla.redhat.com/show_bug.cgi?id=738790 Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-10-31gpu: add module.h to drivers/gpu files as required.Paul Gortmaker
So that we don't get build failures once the implicit module.h presence is removed. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-10-18Merge tag 'v3.1-rc10' into drm-core-nextDave Airlie
There are a number of fixes in mainline required for code in -next, also there was a few conflicts I'd rather resolve myself. Signed-off-by: Dave Airlie <airlied@redhat.com> Conflicts: drivers/gpu/drm/radeon/evergreen.c drivers/gpu/drm/radeon/r600.c drivers/gpu/drm/radeon/radeon_asic.h
2011-10-18drm/radeon/kms: make r600-NI blit suspend code commonAlex Deucher
r600-NI shared the same blit suspend code. Clean it up and make it a shared function. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-10-18drm/radeon/kms: simplify r6xx blit codeAlex Deucher
Covert 4k pages to multiples of 64x64x4 tiles. This is also more efficient than a scanline based approach from the MC's perspective. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-10-18drm/radeon: Move more code out of lineAndi Kleen
With this patch I'm only about 50k larger with DRM debugging enables (why is that enabled by default?!?), and slightly smaller without. [airlied: moved r100.c additions to radeon_ring.c] Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-09-18drm/radeon/kms: Make GPU/CPU page size handling consistent in blit code (v2)Alex Deucher
The BO blit code inconsistenly handled the page size. This wasn't an issue on system with 4k pages since the GPU's page size is 4k as well. Switch the driver blit callbacks to take num pages in GPU page units. Fixes lemote mipsel systems using AMD rs780/rs880 chipsets. v2: incorporate suggestions from Michel. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-09-14drm/radeon: Don't read from CP ring write pointer registers.Michel Dänzer
Apparently this doesn't always work reliably, e.g. at resume time. Just initialize to 0, so the ring is considered empty. Tested with hibernation on Sumo and Cayman cards. Should fix https://bugs.launchpad.net/ubuntu/+source/linux/+bug/820746/ . Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-09-06drm/radeon: Print gart initialization details on all chipsetsTormod Volden
This was previously done for r300 only. Use %016llX instead of %08X for printing the table address. Also fix typos in gart warning messages. Signed-off-by: Tormod Volden <debian.tormod@gmail.com> Reviewed-by: Michel Dänzer <michel@daenzer.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-07-25drm/radeon: Add a rmb() in IH processingBenjamin Herrenschmidt
We should have a read memory barrier between reading the WPTR from memory and reading ring entries based on that value (ie, we need to ensure both loads are done in order by the CPU). It could be argued that the MMIO reads in r600_ack_irq() might be enough to get that barrier but I prefer keeping an explicit one just in case. [airlied: fix evergreen + r/w mixup] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-07-25drm/radeon: Do an MMIO read on interrupts when not uisng MSIsBenjamin Herrenschmidt
When not using MSIs, there is no guarantee that DMA from the device has been fully flushed to point where it's visible to the CPU when taking an interrupt. To get this guarantee, we need to perform an MMIO read from the device, which will flush all outstanding DMAs from bridges between the device and the system. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-07-25drm/radeon: Writeback endian fixesBenjamin Herrenschmidt
The writeback ring pointer and IH ring pointer are read using le32_to_cpu so we do not want the chip to byteswap them on big-endian. We still want to byteswap the ring itself and the IBs, so we don't touch that but we remove setting of the byteswap bits in CP_RB_RPTR_ADDR and IH_CNTL. In general, for things like that where we control all the accessors easily, we are better off doing the swap in SW rather than HW. Paradoxally, it does keep the code closer to x86 and avoid using poorly tested HW features. I also changed the use of RADEON_ to R600_ in a couple of cases to be more consistent with the surrounding code. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Michel Dänzer <michel@daenzer.net> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-07-18drm/radeon/kms: add info query for backend mapAlex Deucher
The 3D driver need to get the pipe to backend map to certain things. Add a query to get the info. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-07-07drm/radeon/kms: free ib pool on module unloadingJerome Glisse
ib pool weren't free for various newer asic on module unload. This doesn't cause much arm but still could be candidate for stable. Signed-off-by: Jerome Glisse <jglisse@redhat.com> cc: stable@kernel.org Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-21drm/radeon/kms/r6xx+: voltage fixesAlex Deucher
0xff01 is not an actual voltage value, but a flag for the driver. If the power state as that value, skip setting the voltage. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-20drm/radeon: avoid warnings from r600/eg irq handlers on powered off card.Dave Airlie
Since we were calling the wptr function before checking if the IH was even enabled, or the GPU wasn't shutdown, we'd get spam in the logs when the GPU readback 0xffffffff. This reorders things so we return early in the no IH and GPU shutdown cases. Reported-and-tested-by: ManDay on #radeon Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-09drm/radeon: fix GUI idle IH debug statementsIlija Hadzic
debug statement for GUI idle interrupt is wrong and incorrectly reports CP EOP interrupt; trivial issue, but confusing for someone trying to distinguish interrupt sources while debugging ... fixed Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>