- 20 Nov, 2019 2 commits
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https://github.com/intel/gvt-linuxJoonas Lahtinen authored
Merge tag 'gvt-next-fixes-2019-11-12' of https://github.com/intel/gvt-linux into drm-intel-next-fixes gvt-next-fixes-2019-11-12 - Remove PVINFO read for initial state (Tina) Signed-off-by:
Joonas Lahtinen <joonas.lahtinen@linux.intel.com> From: Zhenyu Wang <zhenyuw@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191112062032.GO4196@zhen-hp.sh.intel.com
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Chris Wilson authored
As we want to be able to run inside atomic context for retiring the i915_active, and we are no longer allowed to abuse mutex_trylock, split the tree management portion of i915_active.mutex into an irq-safe spinlock. References: a0855d24 ("locking/mutex: Complain upon mutex API misuse in IRQ contexts") References: https://bugs.freedesktop.org/show_bug.cgi?id=111626 Fixes: 274cbf20 ("drm/i915: Push the i915_active.retire into a worker") Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by:
Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191114172535.1116-1-chris@chris-wilson.co.uk (cherry picked from commit c9ad602f) Signed-off-by:
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- 18 Nov, 2019 10 commits
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Jani Nikula authored
It's supposed to be just a const pointer. Fixes: 074c77e3 ("drm/i915/tgl: Gen-12 display loses Yf tiling and legacy CCS support") Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Lucas De Marchi <lucas.demarchi@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/20191115120440.17883-1-jani.nikula@intel.com (cherry picked from commit 48ea97fa) Signed-off-by:
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Don Hiatt authored
On some platforms (e.g. KBL) that do not support GuC submission, but the user enabled the GuC communication (e.g for HuC authentication) calling the GuC EXIT_S_STATE action results in lose of ability to enter RC6. We can remove the GuC suspend/resume entirely as we do not need to save the GuC submission status. Add intel_guc_submission_is_enabled() function to determine if GuC submission is active. v2: Do not suspend/resume the GuC on platforms that do not support Guc Submission. v3: Fix typo, move suspend logic to remove goto. v4: Use intel_guc_submission_is_enabled() to check GuC submission status. v5: No need to look at engine to determine if submission is enabled. Squash fix + intel_guc_submission_is_enabled() patch into one. v6: Move resume check into intel_guc_resume() for symmetry. Fix commit Fixes tag. Reported-by:KiteStramuort <kitestramuort@autistici.org> Reported-by:
S. Zharkoff <s.zharkoff@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111594 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111623 Fixes: ffd5ce22 ("drm/i915/guc: Updates for GuC 32.0.3 firmware") Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Daniele Ceralo Spurio <daniele.ceraolospurio@intel.com> Cc: Stuart Summers <stuart.summers@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Tested-by:
Tomas Janousek <tomi@nomi.cz> Signed-off-by:
Don Hiatt <don.hiatt@intel.com> Reviewed-by:
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Chris Wilson authored
Our callers fall into two categories, those passing timeout=0 who just want to flush request retirements and those passing a timeout that need to wait for submission completion (e.g. intel_gt_wait_for_idle()). Currently, we only wait for a snapshot of timelines at the start of the wait (but there was an expectation that new requests would cause timelines to appear at the end). However, our callers, such as intel_gt_wait_for_idle() before suspend, do require us to wait for the power management requests emitted by retirement as well. If we don't, then it takes an extra second or two for the background worker to flush the queue and mark the GT as idle. Fixes: 7e805762 ("drm/i915: Drop struct_mutex from around i915_retire_requests()") Signed-off-by:
Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191114225736.616885-1-chris@chris-wilson.co.uk (cherry picked from commit 7936a22d) Signed-off-by:
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Imre Deak authored
The workaround to disable coarse power gating is still needed on SKL GT3/GT4 machines and since the RC6 context corruption was discovered by the hardware team also on all GEN9 machines. Restore applying the workaround. Fixes: c1132367 ("drm/i915: Extract GT render sleep (rc6) management") Testcase: igt/intel_gt_pm_late_selftests/live_rc6_ctx Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Andi Shyti <andi.shyti@intel.com> Signed-off-by:
Imre Deak <imre.deak@intel.com> Reviewed-by:
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Chris Wilson authored
fbdev uses the physical address of our framebuffer for its fb_mmap() routine. While we need to adapt this address for the new io BAR, we have to fix v5.4 first! The simplest fix is to restore the smem back to v5.3 and we will then probably have to implement our fbops->fb_mmap() callback to handle local memory. Reported-by:
Neil MacLeod <freedesktop@nmacleod.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112256 Fixes: 5f889b9a ("drm/i915: Disregard drm_mode_config.fb_base") Signed-off-by:
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Lionel Landwerlin authored
I'm observing incoherence metric values, changing from run to run. It appears the patches introducing noa wait & reconfiguration from command stream switched places in the series multiple times during the review. This lead to the dependency of one onto the order to go missing... Signed-off-by:
Lionel Landwerlin <lionel.g.landwerlin@intel.com> Fixes: 15d0ace1 ("drm/i915/perf: execute OA configuration from command stream") Reviewed-by:
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Bruce Chang authored
io_mapping_map_atomic/kmap_atomic are occasionally taken in error capture (if there is no aperture preallocated for the use of error capture), but the error capture and compression routines are now run in normal context: <3> [113.316247] BUG: sleeping function called from invalid context at mm/page_alloc.c:4653 <3> [113.318190] in_atomic(): 1, irqs_disabled(): 0, pid: 678, name: debugfs_test <4> [113.319900] no locks held by debugfs_test/678. <3> [113.321002] Preemption disabled at: <4> [113.321130] [<ffffffffa02506d4>] i915_error_object_create+0x494/0x610 [i915] <4> [113.327259] Call Trace: <4> [113.327871] dump_stack+0x67/0x9b <4> [113.328683] ___might_sleep+0x167/0x250 <4> [113.329618] __alloc_pages_nodemask+0x26b/0x1110 <4> [113.334614] pool_alloc.constprop.19+0x14/0x60 [i915] <4> [113.335951] compress_page+0x7c/0x100 [i915] <4> [113.337110] i915_error_object_create+0x4bd/0x610 [i915] <4> [113.338515] i915_capture_gpu_state+0x384/0x1680 [i915] However, it is not a good idea to run the slow compression inside atomic context, so we choose not to. Fixes: 895d8ebe ("drm/i915: error capture with no ggtt slot") Signed-off-by:
Bruce Chang <yu.bruce.chang@intel.com> Reviewed-by:
Brian Welty <brian.welty@intel.com> Reviewed-by:
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José Roberto de Souza authored
TRANS_DDI_MST_TRANSPORT_SELECT is 2 bits wide not 3, it was taking one bit from EDP/DSI Input Select. Fixes: b3545e08 ("drm/i915/tgl: add support to one DP-MST stream") Cc: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by:
José Roberto de Souza <jose.souza@intel.com> Reviewed-by:
Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191107214559.77087-1-jose.souza@intel.com (cherry picked from commit bb747fa5) Signed-off-by:
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Imre Deak authored
According to internal documents I found for CMP PCHs the PCI ID 0xA3C1 belongs to a CMP-V chipset. Based on the same docs the programming of the PCH is compatible with that of KBP. Fix up my previous wrong assumption accordingly using the SPT programming which in turn is the basis for KBP. The original bug reporter verified that this is the correct PCH identification (the only way we'll program valid DDC pin-pair values to the GMBUS register) and the Windows team uses the same identification (that is using the KBP programming model for this PCH). I filed the necessary Bspec update requests (BSpec/33734). Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112051 Fixes: 37c92dc3 ("drm/i915: Add new CNL PCH ID seen on a CML platform") Reported-and-tested-by:
Cyrus <cyrus.lien@canonical.com> Cc: Cyrus <cyrus.lien@canonical.com> Cc: Timo Aaltonen <tjaalton@ubuntu.com> Cc: José Roberto de Souza <jose.souza@intel.com> Signed-off-by:
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Chris Wilson authored
Throw in a flush_work() to specifically flush the context cleanup work before the module is unloaded. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112248 Fixes: a4e7ccda ("drm/i915: Move context management under GEM") Signed-off-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191112150051.1603-1-chris@chris-wilson.co.uk (cherry picked from commit 5f00cac9) Signed-off-by:
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- 15 Nov, 2019 2 commits
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git://people.freedesktop.org/~thomash/linuxDave Airlie authored
Two minor cleanups / fixes for -next. Signed-off-by:
Dave Airlie <airlied@redhat.com> From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m=20=28VMware=29?= Link: https://patchwork.freedesktop.org/patch/msgid/20191114131703.8607-1-thomas_os@shipmail.org
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Dave Airlie authored
Merge tag 'drm-intel-next-fixes-2019-11-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next - PMU "Frequency" is reported as accumulated cycles - Avoid OOPS in dumb_create IOCTL when no CRTCs - Mitigation for userptr put_pages deadlock with trylock_page - Fix to avoid freeing heartbeat request too early - Fix LRC coherency issue - Fix Bugzilla #112212: Avoid screen corruption on MST - Error path fix to unlock context on failed context VM SETPARAM - Always consider holding preemption a privileged op in perf/OA - Preload LUTs if the hw isn't currently using them to avoid color flash on VLV/CHV - Protect context while grabbing its name for the request - Don't resize aliasing ppGTT size - Smaller fixes picked by tooling Signed-off-by:
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- 14 Nov, 2019 4 commits
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YueHaibing authored
drivers/gpu/drm/vmwgfx/vmwgfx_surface.c:339:22: warning: variable srf set but not used [-Wunused-but-set-variable] 'srf' is never used, so can be removed. Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Reviewed-by:
Thomas Hellstrom <thellstrom@vmware.com>
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Thomas Hellstrom authored
Drivers like vmwgfx may want to test whether the dma page pool is present or not. Since it's activated by default by TTM if compiled-in, define a hidden configuration option that the driver can test for. Cc: Christian König <christian.koenig@amd.com> Signed-off-by:
Christian König <christian.koenig@amd.com>
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Dave Airlie authored
This backmerges the branch that ended up in Linus' tree. It removes all the changes for the rc6 patches from Linus' tree in favour of a patch that is based on a large refactor that occured. Otherwise it all looks good. Signed-off-by: -
Imre Deak authored
In some circumstances the RC6 context can get corrupted. We can detect this and take the required action, that is disable RC6 and runtime PM. The HW recovers from the corrupted state after a system suspend/resume cycle, so detect the recovery and re-enable RC6 and runtime PM. v2: rebase (Mika) v3: - Move intel_suspend_gt_powersave() to the end of the GEM suspend sequence. - Add commit message. v4: - Rebased on intel_uncore_forcewake_put(i915->uncore, ...) API change. v5: - Rebased on latest upstream gt_pm refactoring. v6: - s/i915_rc6_/intel_rc6_/ - Don't return a value from i915_rc6_ctx_wa_check(). v7: - Rebased on latest gt rc6 refactoring. Signed-off-by:
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- 13 Nov, 2019 7 commits
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Dave Airlie authored
This is a pretty simple improvement that allows to find encoder as the one and only (ARC PGU doesn't support more than one) endpoint instead of using non-standard "encoder-slave" property. Signed-off-by:
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Dave Airlie authored
Merge tag 'drm-misc-next-fixes-2019-11-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-next - Fix memory leak in gpu debugfs node's release (Johan) Cc: Johan Hovold <johan@kernel.org> Signed-off-by:
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
drm-next-5.5-2019-11-08: amdgpu: - Enable VCN dynamic powergating on RV/RV2 - Fixes for Navi14 - Misc Navi fixes - Fix MSI-X tear down - Misc Arturus fixes - Fix xgmi powerstate handling - Documenation fixes scheduler: - Fix static code checker warning - Fix possible thread reactivation while thread is stopped - Avoid cleanup if thread is parked radeon: - SI dpm fix ported from amdgpu Signed-off-by:
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Johan Hovold authored
If a process is interrupted while accessing the "gpu" debugfs file and the drm device struct_mutex is contended, release() could return early and fail to free related resources. Note that the return value from release() is ignored. Fixes: 4f776f45 ("drm/msm/gpu: Convert the GPU show function to use the GPU state") Cc: stable <stable@vger.kernel.org> # 4.18 Cc: Jordan Crouse <jcrouse@codeaurora.org> Cc: Rob Clark <robdclark@gmail.com> Reviewed-by:
Rob Clark <robdclark@gmail.com> Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191010131333.23635-2-johan@kernel.org
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Dave Airlie authored
We have the i915 security fixes to backmerge, but first let's clear the decks for other drivers to avoid a bigger mess. Signed-off-by: -
Gwan-gyeong Mun authored
The setting of MSA is done by the DDI .pre_enable() hook. And when we are using MST, the MSA is only set to first mst stream by calling of DDI .pre_eanble() hook. It raies issues to non-first mst streams. Wrong MSA or missed MSA packets might show scrambled screen or wrong screen. This splits a setting of MSA to MST and SST cases. And In the MST case it will call a setting of MSA after an allocating of Virtual Channel from MST encoder pre_enable callback. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112212 Fixes: 0c06fa15 ("drm/i915/dp: Add support of BT.2020 Colorimetry to DP MSA") Fixes: d4a415dc ("drm/i915: Fix MST oops due to MSA changes") Signed-off-by:
Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191106212636.502471-1-gwan-gyeong.mun@intel.comReviewed-by:
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Chris Wilson authored
The gem_ctx_persistence/smoketest was detecting an odd coherency issue inside the LRC context image; that the address of the ring buffer did not match our associated struct intel_ring. As we set the address into the context image when we pin the ring buffer into place before the context is active, that leaves the question of where did it get overwritten. Either the HW context save occurred after our pin which would imply that our idle barriers are broken, or we overwrote the context image ourselves. It is only in reset_active() where we dabble inside the context image outside of a serialised path from schedule-out; but we could equally perform the operation inside schedule-in which is then fully serialised with the context pin -- and remains serialised by the engine pulse with kill_context(). (The only downside, aside from doing more work inside the engine->active.lock, was the plan to merge all the reset paths into doing their context scrubbing on schedule-out needs more thought.) Fixes: d12acee8 ("drm/i915/execlists: Cancel banned contexts on schedule-out") Testcase: igt/gem_ctx_persistence/smoketest Signed-off-by:
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- 12 Nov, 2019 4 commits
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Chris Wilson authored
set_page_dirty says: For pages with a mapping this should be done under the page lock for the benefit of asynchronous memory errors who prefer a consistent dirty state. This rule can be broken in some special cases, but should be better not to. Under those rules, it is only safe for us to use the plain set_page_dirty calls for shmemfs/anonymous memory. Userptr may be used with real mappings and so needs to use the locked version (set_page_dirty_lock). However, following a try_to_unmap() we may want to remove the userptr and so call put_pages(). However, try_to_unmap() acquires the page lock and so we must avoid recursively locking the pages ourselves -- which means that we cannot safely acquire the lock around set_page_dirty(). Since we can't be sure of the lock, we have to risk skip dirtying the page, or else risk calling set_page_dirty() without a lock and so risk fs corruption. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203317 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112012 Fixes: 5cc9ed4b ("drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl") References: cb6d7c7d ("drm/i915/userptr: Acquire the page lock around set_page_dirty()") References: 505a8ec7 ("Revert "drm/i915/userptr: Acquire the page lock around set_page_dirty()"") References: 6dcc693b ("ext4: warn when page is dirtied without buffers") Signed-off-by:
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Chris Wilson authored
We report "frequencies" (actual-frequency, requested-frequency) as the number of accumulated cycles so that the average frequency over that period may be determined by the user. This means the units we report to the user are Mcycles (or just M), not MHz. Signed-off-by:
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Chris Wilson authored
Inside print_request(), we query the context/timeline name. Nothing immediately protects the context from being freed if the request is complete -- we rely on serialisation by the caller to keep the name valid until they finish using it. Inside intel_engine_dump(), we generally only print the requests in the execution queue protected by the engine->active.lock, but we also show the pending execlists ports which are not protected and so require a rcu_read_lock to keep the pointer valid. [ 1695.700883] BUG: KASAN: use-after-free in i915_fence_get_timeline_name+0x53/0x90 [i915] [ 1695.700981] Read of size 8 at addr ffff8887344f4d50 by task gem_ctx_persist/2968 [ 1695.701068] [ 1695.701156] CPU: 1 PID: 2968 Comm: gem_ctx_persist Tainted: G U 5.4.0-rc6+ #331 [ 1695.701246] Hardware name: Intel Corporation NUC7i5BNK/NUC7i5BNB, BIOS BNKBL357.86A.0052.2017.0918.1346 09/18/2017 [ 1695.701334] Call Trace: [ 1695.701424] dump_stack+0x5b/0x90 [ 1695.701870] ? i915_fence_get_timeline_name+0x53/0x90 [i915] [ 1695.701964] print_address_description.constprop.7+0x36/0x50 [ 1695.702408] ? i915_fence_get_timeline_name+0x53/0x90 [i915] [ 1695.702856] ? i915_fence_get_timeline_name+0x53/0x90 [i915] [ 1695.702947] __kasan_report.cold.10+0x1a/0x3a [ 1695.703390] ? i915_fence_get_timeline_name+0x53/0x90 [i915] [ 1695.703836] i915_fence_get_timeline_name+0x53/0x90 [i915] [ 1695.704241] print_request+0x82/0x2e0 [i915] [ 1695.704638] ? fwtable_read32+0x133/0x360 [i915] [ 1695.705042] ? write_timestamp+0x110/0x110 [i915] [ 1695.705133] ? _raw_spin_lock_irqsave+0x79/0xc0 [ 1695.705221] ? refcount_inc_not_zero_checked+0x91/0x110 [ 1695.705306] ? refcount_dec_and_mutex_lock+0x50/0x50 [ 1695.705709] ? intel_engine_find_active_request+0x202/0x230 [i915] [ 1695.706115] intel_engine_dump+0x2c9/0x900 [i915] Fixes: c36eebd9 ("drm/i915/gt: execlists->active is serialised by the tasklet") Signed-off-by:
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Lionel Landwerlin authored
The ordering of the checks in the existing code can lead to holding preemption not being considered as privileged op. Signed-off-by:
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- 11 Nov, 2019 8 commits
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Ben Hutchings authored
When a jump_whitelist bitmap is reused, it needs to be cleared. Currently this is done with memset() and the size calculation assumes bitmaps are made of 32-bit words, not longs. So on 64-bit architectures, only the first half of the bitmap is cleared. If some whitelist bits are carried over between successive batches submitted on the same context, this will presumably allow embedding the rogue instructions that we're trying to reject. Use bitmap_zero() instead, which gets the calculation right. Fixes: f8c08d8f ("drm/i915/cmdparser: Add support for backward jumps") Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Signed-off-by:
Jon Bloomfield <jon.bloomfield@intel.com>
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Ville Syrjälä authored
The LUTs are single buffered so in order to program them without tearing we'd have to do it during vblank (actually to be 100% effective it has to happen between start of vblank and frame start). We have no proper mechanism for that at the moment so we just defer loading them after the vblank waits have happened. That is not quite sufficient (especially when committing multiple pipes whose vblanks don't line up) so the LUT load will often leak into the following frame causing tearing. However in case the hardware wasn't previously using the LUT we can preload it before setting the enable bit (which is double buffered so won't tear). Let's determine if we can do such preloading and make it happen. Slight variation between the hardware requires some platforms specifics in the checks. Hans is seeing ugly colored flash on VLV/CHV macchines (GPD win and Asus T100HA) when the gamma LUT gets loaded for the first time as the BIOS has left some junk in the LUT memory. v2: Deal with uapi vs. hw crtc state split s/GCM/CGM/ typo fix Cc: Hans de Goede <hdegoede@redhat.com> Fixes: 051a6d8d ("drm/i915: Move LUT programming to happen after vblank waits") Signed-off-by:Hans de Goede <hdegoede@redhat.com> Reviewed-by:
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Ville Syrjälä authored
Make sure we have a crtc before probing its primary plane's max stride. Initially I thought we can't get this far without crtcs, but looks like we can via the dumb_create ioctl. Not sure if we shouldn't disable dumb buffer support entirely when we have no crtcs, but that would require some amount of work as the only thing currently being checked is dev->driver->dumb_create which we'd have to convert to some device specific dynamic thing. Cc: stable@vger.kernel.org Reported-by:
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Chris Wilson authored
The hidden aliasing-ppgtt's size is never revealed, as we only inspect the front GTT when engaged. However, we were "fixing" the hidden ppgtt to match, with the net result that we ended up leaking the unused portion on Braswell were we preallocated the entire set of top level PDP, see gen8_preallocate_top_level_pdp(). [ 26.025364] DMA-API: pci 0000:00:02.0: device driver has pending DMA allocations while released from device [count=2] [ 26.025364] One of leaked entries details: [device address=0x0000000230778000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as single] [ 26.025683] WARNING: CPU: 0 PID: 415 at kernel/dma/debug.c:894 dma_debug_device_change+0x1a4/0x1f0 [ 26.025905] Modules linked in: i915(E-) intel_powerclamp(E) nls_ascii(E) nls_cp437(E) crct10dif_pclmul(E) crc32_pclmul(E) vfat(E) crc32c_intel(E) fat(E) ghash_clmulni_intel(E) prime_numbers(E) intel_gtt(E) i2c_algo_bit(E) efi_pstore(E) drm_kms_helper(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) fb_sys_fops(E) evdev(E) drm(E) aesni_intel(E) glue_helper(E) crypto_simd(E) cryptd(E) intel_cstate(E) sg(E) efivars(E) pcspkr(E) video(E) button(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) sd_mod(E) lpc_ich(E) ahci(E) mfd_core(E) i2c_i801(E) libahci(E) i2c_designware_pci(E) i2c_designware_core(E) [ 26.026613] CPU: 0 PID: 415 Comm: rmmod Tainted: G E 5.4.0-rc6+ #25 [ 26.026837] Hardware name: /, BIOS PYBSWCEL.86A.0027.2015.0507.1758 05/07/2015 [ 26.027080] RIP: 0010:dma_debug_device_change+0x1a4/0x1f0 [ 26.027319] Code: 89 54 24 08 e8 ad 60 62 00 48 8b 54 24 08 48 89 c6 41 57 4d 89 e9 49 89 d8 44 89 f1 41 54 48 c7 c7 e0 61 06 82 e8 c1 aa f5 ff <0f> 0b 5a 59 48 83 3c 24 00 0f 85 97 26 00 00 8b 05 77 47 92 01 85 [ 26.027600] RSP: 0018:ffff888228d2fcc8 EFLAGS: 00010282 [ 26.027831] RAX: 0000000000000000 RBX: 0000000230778000 RCX: 0000000000000000 [ 26.028053] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffed10451a5f8f [ 26.028279] RBP: ffff88823480c0b0 R08: 0000000000000001 R09: ffffed1046e83eb1 [ 26.028500] R10: ffffed1046e83eb0 R11: ffff88823741f587 R12: ffffffff82067340 [ 26.028725] R13: 0000000000001000 R14: 0000000000000002 R15: ffffffff82067480 [ 26.028952] FS: 00007fdf3ed174c0(0000) GS:ffff888237400000(0000) knlGS:0000000000000000 [ 26.029185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.029405] CR2: 000055e211109030 CR3: 0000000230139000 CR4: 00000000001006f0 [ 26.029622] Call Trace: [ 26.029846] notifier_call_chain+0x67/0xa0 [ 26.030076] blocking_notifier_call_chain+0x5a/0x80 [ 26.030305] device_release_driver_internal+0x20d/0x260 [ 26.030535] driver_detach+0x7b/0xe1 [ 26.030761] bus_remove_driver+0x8c/0x153 [ 26.030993] pci_unregister_driver+0x2d/0xf0 [ 26.032603] i915_exit+0x16/0x1c [i915] Reported-by:
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Jani Nikula authored
The intel_dp_link_training.h include has no need or place in intel_display.h. Include it in intel_display.c instead. Cc: Manasi Navare <manasi.d.navare@intel.com> Fixes: eadf6f91 ("drm/i915/display/icl: Enable master-slaves in trans port sync") Reviewed-by:
Manasi Navare <manasi.d.navare@intel.com> Signed-off-by:
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Chris Wilson authored
When inside the lock, remember to unlock even if you want to leave early. Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Fixes: a4e7ccda ("drm/i915: Move context management under GEM") Signed-off-by:
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Chris Wilson authored
Mika spotted that only using cancel_delayed_work() could mean that we attempted to clear the heartbeat.systole while the worker was still running. Rectify the situation by only touching the systole from outside the worker if we suceeded in cancelling the worker before it could run. The worker is expected to clean up by itself upon idling. Reported-by:
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Linus Torvalds authored
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- 10 Nov, 2019 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "A set of fixes that have trickled in over the last couple of weeks: - MAINTAINER update for Cavium/Marvell ThunderX2 - stm32 tweaks to pinmux for Joystick/Camera, and RAM allocation for CAN interfaces - i.MX fixes for voltage regulator GPIO mappings, fixes voltage scaling issues - More i.MX fixes for various issues on i.MX eval boards: interrupt storm due to u-boot leaving pins in new states, fixing power button config, a couple of compatible-string corrections. - Powerdown and Suspend/Resume fixes for Allwinner A83-based tablets - A few documentation tweaks and a fix of a memory leak in the reset subsystem" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: MAINTAINERS: update Cavium ThunderX2 maintainers ARM: dts: stm32: change joystick pinctrl definition on stm32mp157c-ev1 ARM: dts: stm32: remove OV5640 pinctrl definition on stm32mp157c-ev1 ARM: dts: stm32: Fix CAN RAM mapping on stm32mp157c ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157 arm64: dts: zii-ultra: fix ARM regulator GPIO handle ARM: sunxi: Fix CPU powerdown on A83T ARM: dts: sun8i-a83t-tbs-a711: Fix WiFi resume from suspend arm64: dts: imx8mn: fix compatible string for sdma arm64: dts: imx8mm: fix compatible string for sdma reset: fix reset_control_ops kerneldoc comment ARM: dts: imx6-logicpd: Re-enable SNVS power key soc: imx: gpc: fix initialiser format ARM: dts: imx6qdl-sabreauto: Fix storm of accelerometer interrupts arm64: dts: ls1028a: fix a compatible issue reset: fix reset_control_get_exclusive kerneldoc comment reset: fix reset_control_lookup kerneldoc comment reset: fix of_reset_control_get_count kerneldoc comment reset: fix of_reset_simple_xlate kerneldoc comment reset: Fix memory leak in reset_control_array_put() -
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull IIO fixes and staging driver from Greg KH: "Here is a mix of a number of IIO driver fixes for 5.4-rc7, and a whole new staging driver. The IIO fixes resolve some reported issues, all are tiny. The staging driver addition is the vboxsf filesystem, which is the VirtualBox guest shared folder code. Hans has been trying to get filesystem reviewers to review the code for many months now, and Christoph finally said to just merge it in staging now as it is stand-alone and the filesystem people can review it easier over time that way. I know it's late for this big of an addition, but it is stand-alone. The code has been in linux-next for a while, long enough to pick up a few tiny fixes for it already so people are looking at it. All of these have been in linux-next with no reported issues" * tag 'staging-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: Fix error return code in vboxsf_fill_super() staging: vboxsf: fix dereference of pointer dentry before it is null checked staging: vboxsf: Remove unused including <linux/version.h> staging: Add VirtualBox guest shared folder (vboxsf) support iio: adc: stm32-adc: fix stopping dma iio: imu: inv_mpu6050: fix no data on MPU6050 iio: srf04: fix wrong limitation in distance measuring iio: imu: adis16480: make sure provided frequency is positive
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver fixes from Greg KH: "Here are a number of late-arrival driver fixes for issues reported for some char/misc drivers for 5.4-rc7 These all come from the different subsystem/driver maintainers as things that they had reports for and wanted to see fixed. All of these have been in linux-next with no reported issues" * tag 'char-misc-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: intel_th: pci: Add Jasper Lake PCH support intel_th: pci: Add Comet Lake PCH support intel_th: msu: Fix possible memory leak in mode_store() intel_th: msu: Fix overflow in shift of an unsigned int intel_th: msu: Fix missing allocation failure check on a kstrndup intel_th: msu: Fix an uninitialized mutex intel_th: gth: Fix the window switching sequence soundwire: slave: fix scanf format soundwire: intel: fix intel_register_dai PDI offsets and numbers interconnect: Add locking in icc_set_tag() interconnect: qcom: Fix icc_onecell_data allocation soundwire: depend on ACPI || OF soundwire: depend on ACPI thunderbolt: Drop unnecessary read when writing LC command in Ice Lake thunderbolt: Fix lockdep circular locking depedency warning thunderbolt: Read DP IN adapter first two dwords in one go
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