- 05 Jun, 2019 6 commits
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Jani Nikula authored
Add separate functions to get the port by DDC pin and AUX channel. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/a8b4afc08dd03e08c1403531e7f5ab33d777b1db.1559308269.git.jani.nikula@intel.com
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Jani Nikula authored
This allows us to avoid iterating the child devices in some cases. Also replace the presence bit with child device being non-NULL, and set the child device pointer last to allow us to take advantage of it in follow-up work. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Jani Nikula authored
Make the child device order the priority order in sanitizing DDC pin and AUX CH. First come, first served. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Swati Sharma authored
In this patch, intel_color_get_config() is enabled and support for read_luts() will be added platform by platform incrementally in the follow-up patches. v4: -Renamed intel_get_color_config to intel_color_get_config [Jani] -Added the user early on such that support for get_color_config() can be added platform by platform incrementally [Jani] v5: -Incorrect place for calling intel_color_get_config() in haswell_get_pipe_config() [Ville] v6: -Renamed intel_color_read_luts() to intel_color_get_config() [Jani and Ville] Signed-off-by:Swati Sharma <swati2.sharma@intel.com> Signed-off-by:
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Swati Sharma authored
In this patch, a vfunc read_luts() is introduced to create a hw lut i.e. lut having values read from gamma/degamma registers which will later be used to compare with sw lut to validate gamma/degamma lut values. v3: -Rebase v4: -Renamed intel_get_color_config to intel_color_get_config [Jani] -Wrapped get_color_config() [Jani] v5: -Renamed intel_color_get_config() to intel_color_read_luts() -Renamed get_color_config to read_luts v6: -Renamed intel_color_read_luts() back to intel_color_get_config() [Jani and Ville] Signed-off-by: -
Mauro Carvalho Chehab authored
WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -function Hardware workarounds ./drivers/gpu/drm/i915/intel_workarounds.c' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -function Logical Rings, Logical Ring Contexts and Execlists ./drivers/gpu/drm/i915/intel_lrc.c' failed with return code 1 WARNING: kernel-doc './scripts/kernel-doc -rst -enable-lineno -internal ./drivers/gpu/drm/i915/intel_lrc.c' failed with return code 2 Fixes: 112ed2d3 ("drm/i915: Move GraphicsTechnology files under gt/") Signed-off-by:
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by:
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- 04 Jun, 2019 21 commits
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Chris Wilson authored
Instead of relying on the caller holding struct_mutex across the allocation, push the allocation under a tree of spinlocks stored inside the page tables. Not only should this allow us to avoid struct_mutex here, but it will allow multiple users to lock independent ranges for concurrent allocations, and operate independently. This is vital for pushing the GTT manipulation into a background thread where dependency on struct_mutex is verboten, and for allowing other callers to avoid struct_mutex altogether. v2: Restore lost GEM_BUG_ON for removing too many PTE from gen6_ppgtt_clear_range. Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by:
Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Acked-by:
Mika Kuoppala <mika.kuoppala@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190604153830.19096-1-chris@chris-wilson.co.uk
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Chris Wilson authored
As the GTT is outside of the powerwell, we can simplify flushing the GGTT writes by using an unchecked mmio write and post. v2: s/unc/uncore/ Signed-off-by:
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Chris Wilson authored
As the fence registers are not part of the engine powerwells, we do not need to fiddle with forcewake in order to update a fence. Avoid using the heavyweight debug checking normal mmio writes as the checking dominates the selftest runtime and is superfluous! In the process, retire the I915_WRITE() implicit macro with the new intel_uncore_write interface. v2: s/unc/uncore/ Signed-off-by:
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Chris Wilson authored
We only need to flush the object once prior to starting the partial tiling test as inside the test we explicitly maintain coherency. Signed-off-by:
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Ville Syrjälä authored
Stop dumping plane->state for planes. That is the old state most of the time and dumping stale information only serves to confuse people. Instead dump the new state just for the planes included in the operation. For now we'll include only the planes for the modeset/fastset pipes in the dumps. But probably we want to dump them all eventually, just not quite sure how to present that information nicely to the user. And while at it let's dump a few more interesting bits from the state. Signed-off-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Ville Syrjälä authored
Constify a bunch of the arguments of various state dumping functions. Makes it clear they don't mutate the states. And fix up some indent fails while at it. Signed-off-by:
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Ville Syrjälä authored
Currently we're only dumping the failed crtc state if intel_modeset_pipe_config() fails. Let's do the state dump if anything else fails afterwards. The downside is that we lose the immediate knowledge which crtc caused the failure (unless a lower level function indicates it with an additional debug print) but having the full state dumped seems like something that could be beneficial. Signed-off-by:
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Ville Syrjälä authored
Currently we're not dumping out whether the crtc is actually active or in dpms off state. Let's include that in the dumps. And while at it compress out a few lines from the state dump. Signed-off-by:
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Ville Syrjälä authored
Currently we're dumping the crtc states before they have been fully calculated. Move the dumping to the end of .atomic_check() so we get a fully up to date dump. Let's also do the dump for fully disabled pipes, but we'll limit that to just saying that the pipe is disabled since the rest of the state is going to be nonsense in that case. Signed-off-by:
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Ville Syrjälä authored
Switch to using intel_ types instead of drm_ types. Avoids ugly casts and nasty aliasing variables with different types. Signed-off-by:
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Ville Syrjälä authored
Switch to using intel_ types instead of drm_ types. Avoids ugly casts and nasty aliasing variables with different types. Signed-off-by:
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Ville Syrjälä authored
We already pass the crtc's state to intel_modeset_pipe_config() so passing the crtc as well is redundant. Signed-off-by:
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Ville Syrjälä authored
We already pass the crtc's state to intel_dump_pipe_config() so passing the crtc as well is redundant. Signed-off-by:
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Ville Syrjälä authored
Pass around intel_atomic_state rather than drm_atomic_state. This avoids some extra casts and annoing aliasing variables. Signed-off-by:
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Ville Syrjälä authored
Pass around intel_atomic_state rather than drm_atomic_state. This avoids some extra casts and annoing aliasing variables. Signed-off-by:
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Ville Syrjälä authored
Pass around intel_atomic_state rather than drm_atomic_state. This avoids some extra casts and annoing aliasing variables. Signed-off-by:
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Ville Syrjälä authored
Thanks to using the short names for platoforms all the cdclk vfunc assignemtns now fit within 80 cols. Remove the extra line wraps. Signed-off-by:
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Ville Syrjälä authored
Pass around intel_atomic_state rather than drm_atomic_state. This avoids some extra casts and annoing aliasing variables. Signed-off-by:
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Oleg Vasilev authored
Currently, the i2c adapter is available only under DP connectors. Add i2c symlink under hdmi connector pointing to i2c adapter in order to make this behaviour consistent. The initial motivation was to make igt i2c subtest patch [1] work on all connectors. [1]: https://patchwork.freedesktop.org/series/60357/ v2: - Moved symlink remove to unregister (Ville) - Clarified commit message (Jani) - Changed WARN to DRM_ERROR (Jani) - Minor codestyle changes proposed by Jani v3: added blank line Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by:
Oleg Vasilev <oleg.vasilev@intel.com> Signed-off-by:
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Daniele Ceraolo Spurio authored
Move over structures, enums and macros from intel_display.h and i915_drv.h to have all the display PM defines in the same header. Signed-off-by:
Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Daniele Ceraolo Spurio authored
Keep all the device-level PM management in intel_runtime_pm.h/c and move all the display specific bits into their own file. Also add the new header to Makefile.header-test. Apart from the giant code move, the only difference is with the intel_runtime_<get/put>_raw() functions, which are now exposed in the header. The _put() version is also not conditionally compiled anymore since it is ok to always pass the wakeref taken from the _get() to __intel_runtime_pm_put (it is -1 if tracking is disabled). Suggested-by:
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- 01 Jun, 2019 1 commit
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Imre Deak authored
Make sure the HW state of the port A combo PHY is correct wrt. the IREFGEN setting. This will force a reprogramming during init or a WARN during uninit if the setting is incorrect. On my ICL RVP I haven't seen this check failing and leading to a forced reinit/WARN, but let's add it still for consistency. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Imre Deak <imre.deak@intel.com> Reviewed-by:
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- 31 May, 2019 7 commits
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Chris Wilson authored
Currently, we try to report to the shrinker the precise number of objects (pages) that are available to be reaped at this moment. This requires searching all objects with allocated pages to see if they fulfill the search criteria, and this count is performed quite frequently. (The shrinker tries to free ~128 pages on each invocation, before which we count all the objects; counting takes longer than unbinding the objects!) If we take the pragmatic view that with sufficient desire, all objects are eventually reapable (they become inactive, or no longer used as framebuffer etc), we can simply return the count of pinned pages maintained during get_pages/put_pages rather than walk the lists every time. The downside is that we may (slightly) over-report the number of objects/pages we could shrink and so penalize ourselves by shrinking more than required. This is mitigated by keeping the order in which we shrink objects such that we avoid penalizing active and frequently used objects, and if memory is so tight that we need to free them we would need to anyway. v2: Only expose shrinkable objects to the shrinker; a small reduction in not considering stolen and foreign objects. v3: Restore the tracking from a "backup" copy from before the gem/ split Signed-off-by:
Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190530203500.26272-2-chris@chris-wilson.co.uk
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Chris Wilson authored
Currently the purgeable objects, I915_MADV_DONTNEED, are mixed in the normal bound/unbound lists. Every shrinker pass starts with an attempt to purge from this set of unneeded objects, which entails us doing a walk over both lists looking for any candidates. If there are none, and since we are shrinking we can reasonably assume that the lists are full!, this becomes a very slow futile walk. If we separate out the purgeable objects into own list, this search then becomes its own phase that is preferentially handled during shrinking. Instead the cost becomes that we then need to filter the purgeable list if we want to distinguish between bound and unbound objects. Signed-off-by:
Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190530203500.26272-1-chris@chris-wilson.co.uk
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Jani Nikula authored
The i915.alpha_support module parameter has caused some confusion along the way. Add new i915.force_probe parameter to specify PCI IDs of devices to probe, when the devices are recognized but not automatically probed by the driver. The name is intended to reflect what the parameter effectively does, avoiding any overloaded semantics of "alpha" and "support". The parameter supports "" to disable, "<pci-id>,[<pci-id>,...]" to enable force probe for one or more devices, and "*" to enable force probe for all known devices. Also add new CONFIG_DRM_I915_FORCE_PROBE config option to replace the DRM_I915_ALPHA_SUPPORT option. This defaults to "*" if DRM_I915_ALPHA_SUPPORT=y. Instead of replacing i915.alpha_support immediately, let the two coexist for a while, with a deprecation message, for a transition period. Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Acked-by:
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Colin Ian King authored
The assignment of err is using the incorrect pointer vaddr that has not been initialized. Fix this by using the correct pointer obj instead. Addresses-Coverity: ("Uninitialized pointer read") Fixes: 6501aa4e ("drm/i915: add in-kernel blitter client") Signed-off-by:Colin Ian King <colin.king@canonical.com> Reviewed-by:
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Chris Wilson authored
The normal behaviour is to periodically check for a mmio access error, and once detected enable mmio access checking. However this is useless if the error only occurs once during module load, and so we may miss such errors in CI. To allow ourselves to catch them, allow CI to opt into always enabling mmio debugging. Signed-off-by:
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Chris Wilson authored
Since the next entry is an offset from a pointer, it can not be NULL. For simplicity, drop the extra conditional before calling cond_resched() Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Janusz Krzysztofik authored
In order to support driver hot unbind, some cleanup operations, now performed on PCI driver remove, must be called later, after all device file descriptors are closed. Split out those operations from the tail of pci_driver.remove() callback and put them into drm_driver.release() which is called as soon as all references to the driver are put. As a result, those cleanups will be now run on last drm_dev_put(), either still called from pci_driver.remove() if all device file descriptors are already closed, or on last drm_release() file operation. Signed-off-by:
Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com> Reviewed-by:
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- 30 May, 2019 2 commits
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Matthew Auld authored
The plan is to use the blitter engine for async object clearing when using local memory, but before we can move the worker to get_pages() we have to first tame some more of our struct_mutex usage. With this in mind we should be able to upstream the object clearing as some selftests, which should serve as a guinea pig for the ongoing locking rework and upcoming async get_pages() framework. Signed-off-by:
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Matthew Auld authored
Some steps in gen6_alloc_va_range require the HW to be awake, so ideally we should be grabbing the wakeref ourselves and not relying on the caller already holding it for us. Suggested-by:
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- 29 May, 2019 3 commits
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Chris Wilson authored
An interesting issue cropped with making the pagetables be allocated and freed concurrently (i.e. removing their grandeous struct_mutex guard) was that we would overflow the page stash. This happens when we have multiple allocators grabbing WC pages such that we fill the vm's local page stash and then when we free another page, the page stash is already full and we overflow. The fix is quite simple: to check for a full page stash before adding another. This results in us keeping a vm local page stash around for much longer, which is both a blessing and a curse. Signed-off-by:
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Jani Nikula authored
This reverts commit 1ac159e2 ("drm/i915: Expand subslice mask"), which kills ICL due to GEM_BUG_ON() sanity checks before CI even gets a chance to do anything. The commit exposes an issue in commit 1e40d4ae ("drm/i915/cnl: Implement WaProgramMgsrForCorrectSliceSpecificMmioReads"), which will also need to be addressed. There's a proposed fix [1], but considering the seeming uncertainty with the fix as well as the size of the regressing commit (in this context, the one that actually brings down ICL), this warrants a revert to get ICL working, and gives us time to get all of this right without rushing. Even if this means shooting the messenger. <3>[ 9.426327] intel_sseu_get_subslices:46 GEM_BUG_ON(slice >= sseu->max_slices) <4>[ 9.426355] ------------[ cut here ]------------ <2>[ 9.426357] kernel BUG at drivers/gpu/drm/i915/gt/intel_sseu.c:46! <4>[ 9.426371] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI <4>[ 9.426377] CPU: 1 PID: 364 Comm: systemd-udevd Not tainted 5.2.0-rc2-CI-CI_DRM_6159+ #1 <4>[ 9.426385] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3183.A00.1905020411 05/02/2019 <4>[ 9.426444] RIP: 0010:intel_sseu_get_subslices+0x8a/0xe0 [i915] <4>[ 9.426452] Code: d5 76 b7 e0 48 8b 35 9d 24 21 00 49 c7 c0 07 f0 72 a0 b9 2e 00 00 00 48 c7 c2 00 8e 6d a0 48 c7 c7 a5 14 5b a0 e8 36 3c be e0 <0f> 0b 48 c7 c1 80 d5 6f a0 ba 30 00 00 00 48 c7 c6 00 8e 6d a0 48 <4>[ 9.426468] RSP: 0018:ffffc9000037b9c8 EFLAGS: 00010282 <4>[ 9.426475] RAX: 000000000000000f RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 9.426482] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88849e346f98 <4>[ 9.426490] RBP: ffff88848a200000 R08: 0000000000000004 R09: ffff88849d50b000 <4>[ 9.426497] R10: 0000000000000000 R11: ffff88849e346f98 R12: ffff88848a209e78 <4>[ 9.426505] R13: 0000000003000000 R14: ffff88848a20b1a8 R15: 0000000000000000 <4>[ 9.426513] FS: 00007f73d5ae8680(0000) GS:ffff88849fc80000(0000) knlGS:0000000000000000 <4>[ 9.426521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 9.426527] CR2: 0000561417b01260 CR3: 0000000494764003 CR4: 0000000000760ee0 <4>[ 9.426535] PKRU: 55555554 <4>[ 9.426538] Call Trace: <4>[ 9.426585] wa_init_mcr+0xd5/0x110 [i915] <4>[ 9.426597] ? lock_acquire+0xa6/0x1c0 <4>[ 9.426645] icl_gt_workarounds_init+0x21/0x1a0 [i915] <4>[ 9.426694] ? i915_driver_load+0xfcf/0x18a0 [i915] <4>[ 9.426739] gt_init_workarounds+0x14c/0x230 [i915] <4>[ 9.426748] ? _raw_spin_unlock_irq+0x24/0x50 <4>[ 9.426789] intel_gt_init_workarounds+0x1b/0x30 [i915] <4>[ 9.426835] i915_driver_load+0xfd7/0x18a0 [i915] <4>[ 9.426843] ? lock_acquire+0xa6/0x1c0 <4>[ 9.426850] ? __pm_runtime_resume+0x4f/0x80 <4>[ 9.426857] ? _raw_spin_unlock_irqrestore+0x4c/0x60 <4>[ 9.426863] ? _raw_spin_unlock_irqrestore+0x4c/0x60 <4>[ 9.426870] ? lockdep_hardirqs_on+0xe3/0x1b0 <4>[ 9.426915] i915_pci_probe+0x29/0xa0 [i915] <4>[ 9.426923] pci_device_probe+0x9e/0x120 <4>[ 9.426930] really_probe+0xea/0x3c0 <4>[ 9.426936] driver_probe_device+0x10b/0x120 <4>[ 9.426942] device_driver_attach+0x4a/0x50 <4>[ 9.426948] __driver_attach+0x97/0x130 <4>[ 9.426954] ? device_driver_attach+0x50/0x50 <4>[ 9.426960] bus_for_each_dev+0x74/0xc0 <4>[ 9.426966] bus_add_driver+0x13f/0x210 <4>[ 9.426971] ? 0xffffffffa083b000 <4>[ 9.426976] driver_register+0x56/0xe0 <4>[ 9.426982] ? 0xffffffffa083b000 <4>[ 9.426987] do_one_initcall+0x58/0x300 <4>[ 9.426994] ? do_init_module+0x1d/0x1f6 <4>[ 9.427001] ? rcu_read_lock_sched_held+0x6f/0x80 <4>[ 9.427007] ? kmem_cache_alloc_trace+0x261/0x290 <4>[ 9.427014] do_init_module+0x56/0x1f6 <4>[ 9.427020] load_module+0x24d1/0x2990 <4>[ 9.427032] ? __se_sys_finit_module+0xd3/0xf0 <4>[ 9.427037] __se_sys_finit_module+0xd3/0xf0 <4>[ 9.427047] do_syscall_64+0x55/0x1c0 <4>[ 9.427053] entry_SYSCALL_64_after_hwframe+0x49/0xbe <4>[ 9.427059] RIP: 0033:0x7f73d5609839 <4>[ 9.427064] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48 <4>[ 9.427082] RSP: 002b:00007ffdf34477b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 <4>[ 9.427091] RAX: ffffffffffffffda RBX: 00005559fd5d7b40 RCX: 00007f73d5609839 <4>[ 9.427099] RDX: 0000000000000000 RSI: 00007f73d52e8145 RDI: 000000000000000f <4>[ 9.427106] RBP: 00007f73d52e8145 R08: 0000000000000000 R09: 00007ffdf34478d0 <4>[ 9.427114] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000000 <4>[ 9.427121] R13: 00005559fd5c90f0 R14: 0000000000020000 R15: 00005559fd5d7b40 <4>[ 9.427131] Modules linked in: i915(+) mei_hdcp x86_pkg_temp_thermal coretemp snd_hda_intel crct10dif_pclmul crc32_pclmul snd_hda_codec snd_hwdep e1000e snd_hda_core ghash_clmulni_intel ptp snd_pcm cdc_ether usbnet mii pps_core mei_me mei prime_numbers btusb btrtl btbcm btintel bluetooth ecdh_generic ecc <4>[ 9.427254] ---[ end trace af3eeb543bd66e66 ]--- [1] http://patchwork.freedesktop.org/patch/msgid/20190528200655.11605-1-chris@chris-wilson.co.uk References: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6159/fi-icl-u2/pstore0-1517155098_Oops_1.log References: 1e40d4ae ("drm/i915/cnl: Implement WaProgramMgsrForCorrectSliceSpecificMmioReads") Fixes: 1ac159e2 ("drm/i915: Expand subslice mask") Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Michel Thierry <michel.thierry@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Oscar Mateo <oscar.mateo@intel.com> Cc: Stuart Summers <stuart.summers@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: Yunwei Zhang <yunwei.zhang@intel.com> Acked-by:
Daniel Vetter <daniel@ffwll.ch> Signed-off-by:
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Chris Wilson authored
In intel_wakeref_auto, we use refcount_inc_not_zero to detect the first use and initialise the timer. On doing so, we have to avoid using refcount_inc on that zero count as the debug code flags that as an error: refcount_t: increment on 0; use-after-free. Rearrange the code so that if we know the count is 0 and we are initialising, we explicitly set it to 1. Fixes: b27e35ae ("drm/i915: Keep user GGTT alive for a minimum of 250ms") Signed-off-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190528154053.22004-1-chris@chris-wilson.co.uk
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