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2013-06-28drm: Improve manual IRQ installation documentationLaurent Pinchart
Define the rules for using irqs from drm drivers. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/prime: add return check for dma_buf_fdYoungJun Cho
The dma_buf_fd() can return error when it fails to prepare fd, so the dma_buf needs to be put. Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/prime: reorder drm_prime_add_buf_handle and remove prototypeSeung-Woo Kim
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/prime: fix to put an exported dma_buf for adding handle failureYoungJun Cho
When drm_prime_add_buf_handle() returns failure for an exported dma_buf, the dma_buf was already allocated and its refcount was increased, so it needs to be put. Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/prime: support to cache mappingJoonyoung Shim
The drm prime also can support it like GEM CMA supports to cache mapping. It doesn't allow multiple mappings for one attachment. [airlied: rebased on top of other prime changes] Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/prime: replace NULL with error value in drm_prime_pages_to_sgYoungJun Cho
Instead of NULL, error value is casted with ERR_PTR() for drm_prime_pages_to_sg() and IS_ERR_OR_NULL() macro is replaced with IS_ERR() macro for drm_gem_map_dma_buf(). Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/prime: fix to check return of dma_map_sg in prime helperYoungJun Cho
The dma_map_sg(), in map_dma_buf callback operation of prime helper, can return 0 when it fails to map, so it needs to release related resources. Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/gem: fix not to assign error value to gem nameYoungJun Cho
If idr_alloc() is failed, obj->name can be error value. Also it cleans up duplicated flink processing code. This regression has been introduced in commit 2e928815c1886fe628ed54623aa98d0889cf5509 Author: Tejun Heo <tj@kernel.org> Date: Wed Feb 27 17:04:08 2013 -0800 drm: convert to idr_alloc() Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: stable@vger.kernel.org Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/gem: add mutex lock when using drm_gem_mmap_objYoungJun Cho
The drm_gem_mmap_obj() has to be protected with dev->struct_mutex, but some caller functions do not. So it adds mutex lock to missing callers and adds assertion to check whether drm_gem_mmap_obj() is called with mutex lock or not. Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/omap: drop the !FB_OMAP2 depDave Airlie
This ends up causing circularity and really let people shoot themselves in the foot. Acked-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/ttm: get rid of ttm_bo_is_reservedMaarten Lankhorst
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/vmwgfx: get rid of ttm_bo_is_reserved usageMaarten Lankhorst
Use lockdep_assert_held instead. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/radeon: get rid of ttm_bo_is_reserved usageMaarten Lankhorst
Try to use lockdep_assert_held or other alternatives where possible. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/ttm: get rid of ttm_bo_is_reserved usageMaarten Lankhorst
Use lockdep_assert_held instead. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/ttm: inline ttm_bo_reserve and related callsMaarten Lankhorst
Makes lockdep a lot more useful. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/radeon: inline reservationsMaarten Lankhorst
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/mgag200: inline reservationsMaarten Lankhorst
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/cirrus: inline reservationsMaarten Lankhorst
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/ast: inline reservationsMaarten Lankhorst
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/ttm: convert to the reservation apiMaarten Lankhorst
Now that the code is compatible in semantics, flip the switch. Use ww_mutex instead of the homegrown implementation. ww_mutex uses -EDEADLK to signal that the caller has to back off, and -EALREADY to indicate this buffer is already held by the caller. ttm used -EAGAIN and -EDEADLK for those, respectively. So some changes were needed to handle this correctly. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/nouveau: make flipping lockdep safeMaarten Lankhorst
cli->mutex was inverted with reservations, and multiple reservations were used without a ticket, fix both. This commit had to be done after the previous commit, because otherwise ttm_eu_* calls would use a different seqno counter.. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/ttm: make ttm reservation calls behave like reservation callsMaarten Lankhorst
This commit converts the source of the val_seq counter to the ww_mutex api. The reservation objects are converted later, because there is still a lockdep splat in nouveau that has to resolved first. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28reservation: cross-device reservation support, v4Maarten Lankhorst
This adds support for a generic reservations framework that can be hooked up to ttm and dma-buf and allows easy sharing of reservations across devices. The idea is that a dma-buf and ttm object both will get a pointer to a struct reservation_object, which has to be reserved before anything is done with the contents of the dma-buf. Changes since v1: - Fix locking issue in ticket_reserve, which could cause mutex_unlock to be called too many times. Changes since v2: - All fence related calls and members have been taken out for now, what's left is the bare minimum to be useful for ttm locking conversion. Changes since v3: - Removed helper functions too. The documentation has an example implementation for locking. With the move to ww_mutex there is no need to have much logic any more. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/ast: do not attempt to acquire a reservation while in an interrupt handlerMaarten Lankhorst
Mutexes should not be acquired in interrupt context. While the trylock fastpath is arguably safe on all implementations, the slowpath unlock path definitely isn't. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/mgag200: do not attempt to acquire a reservation while in an interrupt ↵Maarten Lankhorst
handler Mutexes should not be acquired in interrupt context. While the trylock fastpath is arguably safe on all implementations, the slowpath unlock path definitely isn't. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/cirrus: do not attempt to acquire a reservation while in an interrupt ↵Maarten Lankhorst
handler Mutexes should not be acquired in interrupt context. While the trylock fastpath is arguably safe on all implementations, the slowpath unlock path definitely isn't. This fixes the following lockdep splat: [ 13.044313] ------------[ cut here ]------------ [ 13.044367] WARNING: at /c/kernel-tests/src/tip/kernel/mutex.c:858 mutex_trylock+0x87/0x220() [ 13.044378] DEBUG_LOCKS_WARN_ON(in_interrupt()) [ 13.044378] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-rc4-00296-ga2963dd #20 [ 13.044379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [ 13.044390] 0000000000000009 ffff88000de039f8 ffffffff81fc86d5 ffff88000de03a38 [ 13.044395] ffffffff810d511b ffff880000000018 ffff88000f33c690 0000000000000001 [ 13.044398] 00000000000003f0 ffff88000f4677c8 0000000000000000 ffff88000de03a98 [ 13.044400] Call Trace: [ 13.044412] <IRQ> [<ffffffff81fc86d5>] dump_stack+0x19/0x1b [ 13.044441] [<ffffffff810d511b>] warn_slowpath_common+0x6b/0x90 [ 13.044445] [<ffffffff810d51a6>] warn_slowpath_fmt+0x46/0x50 [ 13.044448] [<ffffffff81fd34d7>] mutex_trylock+0x87/0x220 [ 13.044482] [<ffffffff8186484d>] cirrus_dirty_update+0x1cd/0x330 [ 13.044486] [<ffffffff818649e8>] cirrus_imageblit+0x38/0x50 [ 13.044506] [<ffffffff8165782e>] soft_cursor+0x22e/0x240 [ 13.044510] [<ffffffff81656c31>] bit_cursor+0x581/0x5b0 [ 13.044525] [<ffffffff815de9f4>] ? vsnprintf+0x124/0x670 [ 13.044529] [<ffffffff81651333>] ? get_color.isra.16+0x43/0x130 [ 13.044532] [<ffffffff81653fca>] fbcon_cursor+0x18a/0x1d0 [ 13.044535] [<ffffffff816566b0>] ? update_attr.isra.2+0xa0/0xa0 [ 13.044556] [<ffffffff81754b82>] hide_cursor+0x32/0xa0 [ 13.044565] [<ffffffff81755bd3>] vt_console_print+0x103/0x3b0 [ 13.044569] [<ffffffff810d58ac>] ? print_time+0x9c/0xb0 [ 13.044576] [<ffffffff810d5960>] ? print_prefix+0xa0/0xc0 [ 13.044580] [<ffffffff810d63f6>] call_console_drivers.constprop.6+0x146/0x1f0 [ 13.044593] [<ffffffff815f9b38>] ? do_raw_spin_unlock+0xc8/0x100 [ 13.044597] [<ffffffff810d6f27>] console_unlock+0x2f7/0x460 [ 13.044600] [<ffffffff810d787a>] vprintk_emit+0x59a/0x5e0 [ 13.044615] [<ffffffff81fb676c>] printk+0x4d/0x4f [ 13.044650] [<ffffffff82ba5511>] print_local_APIC+0x28/0x41c [ 13.044672] [<ffffffff8114db55>] generic_smp_call_function_single_interrupt+0x145/0x2b0 [ 13.044688] [<ffffffff8106f9e7>] smp_call_function_single_interrupt+0x27/0x40 [ 13.044697] [<ffffffff81fd8f72>] call_function_single_interrupt+0x72/0x80 [ 13.044707] <EOI> [<ffffffff81078166>] ? native_safe_halt+0x6/0x10 [ 13.044717] [<ffffffff811425cd>] ? trace_hardirqs_on+0xd/0x10 [ 13.044738] [<ffffffff8104f669>] default_idle+0x59/0x120 [ 13.044742] [<ffffffff810501e8>] arch_cpu_idle+0x18/0x40 [ 13.044754] [<ffffffff811320c5>] cpu_startup_entry+0x235/0x410 [ 13.044763] [<ffffffff81f9e781>] rest_init+0xd1/0xe0 [ 13.044766] [<ffffffff81f9e6b5>] ? rest_init+0x5/0xe0 [ 13.044778] [<ffffffff82b93ec2>] start_kernel+0x425/0x493 [ 13.044781] [<ffffffff82b93810>] ? repair_env_string+0x5e/0x5e [ 13.044786] [<ffffffff82b93595>] x86_64_start_reservations+0x2a/0x2c [ 13.044789] [<ffffffff82b93688>] x86_64_start_kernel+0xf1/0x100 [ 13.044799] ---[ end trace 113ad28772af4058 ]--- Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/nouveau: always select ACPI_VIDEO if ACPI is enabled.Maarten Lankhorst
Having nouveau builtin would still allow ACPI_VIDEO to be used as external module if some of the deps for acpi_video have not been met, which would result in a linking failure. Solve this by selecting all dependencies as well. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/nouveau: complain loudly if buffer is pinned during destructionMaarten Lankhorst
Shouldn't happen, and we invert the struct_mutex with reservation here, potentially leading to deadlocks. Once reservations become lockdep annotated, lockdep will go splat on this. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/nouveau: fixup fbcon failure pathsMaarten Lankhorst
Add missing calls, and fix a leak from forgetting to call the unpin function. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/nouveau: unpin notify object in chan_finiMaarten Lankhorst
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/nouveau: implement prime helper unpin functionMaarten Lankhorst
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28drm/radeon: implement unpin function, v2Maarten Lankhorst
Changes since v1: - Fixup compiler warning in unpin function. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-06-28Merge branch 'drm-next-3.11' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie
into drm-next This is the pull request for radeon for 3.11. Highlights include: - Support for CIK (Sea Islands) asics: 3D, compute, UVD - DPM (Dynamic Power Management) support for 6xx-SI - ASPM support for 6xx-SI - Assorted bug fixes * 'drm-next-3.11' of git://people.freedesktop.org/~agd5f/linux: (168 commits) drm/radeon/SI: fix TDP adjustment in set_power_state drm/radeon/NI: fix TDP adjustment in set_power_state drm/radeon: fix endian issues in atombios dpm code drm/radeon/dpm: fix UVD clock setting on SI drm/radeon/dpm: fix UVD clock setting on cayman drm/radeon/dpm: add support for setting UVD clock on rv6xx drm/radeon/dpm: add support for setting UVD clock on rs780 drm/radeon: fix typo in ni_print_power_state drm/radeon: fix typo in cik_select_se_sh() drm/radeon/si: fix typo in function name drm/radeon/dpm: fix typo in setting uvd clock drm/radeon/dpm: add dpm_set_power_state failure output (si) add dpm_set_power_state failure output (7xx-ni) drm/radeon/dpm: add dpm_set_power_state failure output (7xx-ni) drm/radeon/dpm: add dpm_enable failure output (si) drm/radeon/dpm: add dpm_enable failure output (7xx-ni) drm/radeon/kms: add dpm support for SI (v7) drm/radeon: switch SI to use radeon_ucode.h drm/radeon: add SI to r600_is_internal_thermal_sensor() drm/radeon/dpm/rs780: properly catch errors in dpm setup ...
2013-06-27Merge tag 'drm-intel-next-2013-06-18' of ↵Dave Airlie
git://people.freedesktop.org/~danvet/drm-intel into drm-next Last 3.11 feature pull. I have a few odds bits and pieces and fixes in my queue, I'll sort them out later on to see what's for 3.11-fixes and what's for 3.12. But nothing to hold this here up imo. Highlights: - more hangcheck work from Mika and Chris to prepare for arb robustness - trickle feed fixes from Ville - first parts of the shared pch pll rework, with some basic hw state readout and cross-checking (this shuts up the confused pch pll refcount WARN that Linus just recently forwarded) - Haswell audio power well support from Wang Xingchao (alsa bits acked by Takashi) - some cleanups and asserts sprinkling around the plane/gamma enabling sequence from Ville - more gtt refactoring from Ben - clear up the adjusted->mode vs. pixel clock vs. port clock confusion - 30bpp support, this time for real hopefully * tag 'drm-intel-next-2013-06-18' of git://people.freedesktop.org/~danvet/drm-intel: (97 commits) drm/i915: remove a superflous semi-colon drm/i915: Kill useless "Enable panel fitter" comments drm/i915: Remove extra "ring" from error message drm/i915: simplify the reduced clock handling for pch plls drm/i915: stop killing pfit on i9xx drm/i915: explicitly set up PIPECONF (and gamma table) on haswell drm/i915: set up PIPECONF explicitly for i9xx/vlv platforms drm/i915: set up PIPECONF explicitly on ilk-ivb drm/i915: find guilty batch buffer on ring resets drm/i915: store ring hangcheck action drm/i915: add batch bo to i915_add_request() drm/i915: change i915_add_request to macro drm/i915: add i915_gem_context_get_hang_stats() drm/i915: add struct i915_ctx_hang_stats drm/i915: Try harder to disable trickle feed on VLV drm/i915: fix up pch pll enabling for pixel multipliers drm/i915: hw state readout and cross-checking for shared dplls drm/i915: WARN on lack of shared dpll drm/i915: split up intel_modeset_check_state drm/i915: extract readout_hw_state from setup_hw_state ... Conflicts: drivers/gpu/drm/i915/intel_display.c drivers/gpu/drm/i915/intel_fb.c drivers/gpu/drm/i915/intel_sdvo.c
2013-06-27drm/radeon/SI: fix TDP adjustment in set_power_stateAlex Deucher
Fixes hangs with DPM in some cases. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/NI: fix TDP adjustment in set_power_stateAlex Deucher
Fixes hangs with DPM in some cases. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon: fix endian issues in atombios dpm codeAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: fix UVD clock setting on SIAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: fix UVD clock setting on caymanAlex Deucher
The rv770 version was using the wrong power state type. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add support for setting UVD clock on rv6xxAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add support for setting UVD clock on rs780Alex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon: fix typo in ni_print_power_stateAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon: fix typo in cik_select_se_sh()Alex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/si: fix typo in function nameAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: fix typo in setting uvd clockAlex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add dpm_set_power_state failure output (si)Alex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27add dpm_set_power_state failure output (7xx-ni)Alex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add dpm_set_power_state failure output (7xx-ni)Alex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add dpm_enable failure output (si)Alex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add dpm_enable failure output (7xx-ni)Alex Deucher
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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