- 28 Feb, 2020 18 commits
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Dan Carpenter authored
The assert_mmap_offset() returns type bool so if we return an error pointer that is "return true;" or success. If we have an error, then we should return false. Fixes: 3d81d589 ("drm/i915: Test exhaustion of the mmap space") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
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Ville Syrjälä authored
WaDDIIOTimeout is only for A1 (pre-prod) glk steppings. Nuke it. Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200128155152.21977-3-ville.syrjala@linux.intel.comReviewed-by:
Imre Deak <imre.deak@intel.com>
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Ville Syrjälä authored
TGL+ supposedly do not need Wa_1405510057 so limit it to gen11 only. Signed-off-by:
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Ville Syrjälä authored
w/a #1139 is only needed for pre-production GLK. Nuke it. Signed-off-by:
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Chris Wilson authored
An odd and highly unlikely path caught us out. On delayed submission (due to an asynchronous reset handler), we poked the priority_hint and kicked the tasklet. However, we had already marked the device as wedged and swapped out the tasklet for a no-op. The result was that we never cleared the priority hint and became upset when we later checked. <0> [574.303565] i915_sel-6278 2.... 481822445us : __i915_subtests: Running intel_execlists_live_selftests/live_error_interrupt <0> [574.303565] i915_sel-6278 2.... 481822472us : __engine_unpark: 0000:00:02.0 rcs0: <0> [574.303565] i915_sel-6278 2.... 481822491us : __gt_unpark: 0000:00:02.0 <0> [574.303565] i915_sel-6278 2.... 481823220us : execlists_context_reset: 0000:00:02.0 rcs0: context:f4ee reset <0> [574.303565] i915_sel-6278 2.... 481824830us : __intel_context_active: 0000:00:02.0 rcs0: context:f51b active <0> [574.303565] i915_sel-6278 2.... 481825258us : __intel_context_do_pin: 0000:00:02.0 rcs0: context:f51b pin ring:{start:00006000, head:0000, tail:0000} <0> [574.303565] i915_sel-6278 2.... 481825311us : __i915_request_commit: 0000:00:02.0 rcs0: fence f51b:2, current 0 <0> [574.303565] i915_sel-6278 2d..1 481825347us : __i915_request_submit: 0000:00:02.0 rcs0: fence f51b:2, current 0 <0> [574.303565] i915_sel-6278 2d..1 481825363us : trace_ports: 0000:00:02.0 rcs0: submit { f51b:2, 0:0 } <0> [574.303565] i915_sel-6278 2.... 481826809us : __intel_context_active: 0000:00:02.0 rcs0: context:f51c active <0> [574.303565] <idle>-0 7d.h2 481827326us : cs_irq_handler: 0000:00:02.0 rcs0: CS error: 1 <0> [574.303565] <idle>-0 7..s1 481827377us : process_csb: 0000:00:02.0 rcs0: cs-irq head=3, tail=4 <0> [574.303565] <idle>-0 7..s1 481827379us : process_csb: 0000:00:02.0 rcs0: csb[4]: status=0x10000001:0x00000000 <0> [574.305593] <idle>-0 7..s1 481827385us : trace_ports: 0000:00:02.0 rcs0: promote { f51b:2*, 0:0 } <0> [574.305611] <idle>-0 7..s1 481828179us : execlists_reset: 0000:00:02.0 rcs0: reset for CS error <0> [574.305611] i915_sel-6278 2.... 481828284us : __intel_context_do_pin: 0000:00:02.0 rcs0: context:f51c pin ring:{start:00007000, head:0000, tail:0000} <0> [574.305611] i915_sel-6278 2.... 481828345us : __i915_request_commit: 0000:00:02.0 rcs0: fence f51c:2, current 0 <0> [574.305611] <idle>-0 7dNs2 481847823us : __i915_request_unsubmit: 0000:00:02.0 rcs0: fence f51b:2, current 1 <0> [574.305611] <idle>-0 7dNs2 481847857us : execlists_hold: 0000:00:02.0 rcs0: fence f51b:2, current 1 on hold <0> [574.305611] <idle>-0 7.Ns1 481847863us : intel_engine_reset: 0000:00:02.0 rcs0: flags=4 <0> [574.305611] <idle>-0 7.Ns1 481847945us : execlists_reset_prepare: 0000:00:02.0 rcs0: depth<-1 <0> [574.305611] <idle>-0 7.Ns1 481847946us : intel_engine_stop_cs: 0000:00:02.0 rcs0: <0> [574.305611] <idle>-0 7.Ns1 538584284us : intel_engine_stop_cs: 0000:00:02.0 rcs0: timed out on STOP_RING -> IDLE <0> [574.305611] <idle>-0 7.Ns1 538584347us : __intel_gt_reset: 0000:00:02.0 engine_mask=1 <0> [574.305611] <idle>-0 7.Ns1 538584406us : execlists_reset_rewind: 0000:00:02.0 rcs0: <0> [574.305611] <idle>-0 7dNs2 538585050us : __i915_request_reset: 0000:00:02.0 rcs0: fence f51b:2, current 1 guilty? yes <0> [574.305611] <idle>-0 7dNs2 538585063us : __execlists_reset: 0000:00:02.0 rcs0: replay {head:0000, tail:0068} <0> [574.306565] <idle>-0 7.Ns1 538588457us : intel_engine_cancel_stop_cs: 0000:00:02.0 rcs0: <0> [574.306565] <idle>-0 7dNs2 538588462us : __i915_request_submit: 0000:00:02.0 rcs0: fence f51c:2, current 0 <0> [574.306565] <idle>-0 7dNs2 538588471us : trace_ports: 0000:00:02.0 rcs0: submit { f51c:2, 0:0 } <0> [574.306565] <idle>-0 7.Ns1 538588474us : execlists_reset_finish: 0000:00:02.0 rcs0: depth->1 <0> [574.306565] kworker/-202 2.... 538588755us : i915_request_retire: 0000:00:02.0 rcs0: fence f51c:2, current 2 <0> [574.306565] ksoftirq-46 7..s. 538588773us : process_csb: 0000:00:02.0 rcs0: cs-irq head=11, tail=1 <0> [574.306565] ksoftirq-46 7..s. 538588774us : process_csb: 0000:00:02.0 rcs0: csb[0]: status=0x10000001:0x00000000 <0> [574.306565] ksoftirq-46 7..s. 538588776us : trace_ports: 0000:00:02.0 rcs0: promote { f51c:2!, 0:0 } <0> [574.306565] ksoftirq-46 7..s. 538588778us : process_csb: 0000:00:02.0 rcs0: csb[1]: status=0x10000018:0x00000020 <0> [574.306565] ksoftirq-46 7..s. 538588779us : trace_ports: 0000:00:02.0 rcs0: completed { f51c:2!, 0:0 } <0> [574.306565] kworker/-202 2.... 538588826us : intel_context_unpin: 0000:00:02.0 rcs0: context:f51c unpin <0> [574.306565] i915_sel-6278 6.... 538589663us : __intel_gt_set_wedged.part.32: 0000:00:02.0 start <0> [574.306565] i915_sel-6278 6.... 538589667us : execlists_reset_prepare: 0000:00:02.0 rcs0: depth<-0 <0> [574.306565] i915_sel-6278 6.... 538589710us : intel_engine_stop_cs: 0000:00:02.0 rcs0: <0> [574.306565] i915_sel-6278 6.... 538589732us : execlists_reset_prepare: 0000:00:02.0 bcs0: depth<-0 <0> [574.307591] i915_sel-6278 6.... 538589733us : intel_engine_stop_cs: 0000:00:02.0 bcs0: <0> [574.307591] i915_sel-6278 6.... 538589757us : execlists_reset_prepare: 0000:00:02.0 vcs0: depth<-0 <0> [574.307591] i915_sel-6278 6.... 538589758us : intel_engine_stop_cs: 0000:00:02.0 vcs0: <0> [574.307591] i915_sel-6278 6.... 538589771us : execlists_reset_prepare: 0000:00:02.0 vcs1: depth<-0 <0> [574.307591] i915_sel-6278 6.... 538589772us : intel_engine_stop_cs: 0000:00:02.0 vcs1: <0> [574.307591] i915_sel-6278 6.... 538589778us : execlists_reset_prepare: 0000:00:02.0 vecs0: depth<-0 <0> [574.307591] i915_sel-6278 6.... 538589780us : intel_engine_stop_cs: 0000:00:02.0 vecs0: <0> [574.307591] i915_sel-6278 6.... 538589786us : __intel_gt_reset: 0000:00:02.0 engine_mask=ff <0> [574.307591] i915_sel-6278 6.... 538591175us : execlists_reset_cancel: 0000:00:02.0 rcs0: <0> [574.307591] i915_sel-6278 6.... 538591970us : execlists_reset_cancel: 0000:00:02.0 bcs0: <0> [574.307591] i915_sel-6278 6.... 538591982us : execlists_reset_cancel: 0000:00:02.0 vcs0: <0> [574.307591] i915_sel-6278 6.... 538591996us : execlists_reset_cancel: 0000:00:02.0 vcs1: <0> [574.307591] i915_sel-6278 6.... 538592759us : execlists_reset_cancel: 0000:00:02.0 vecs0: <0> [574.307591] i915_sel-6278 6.... 538592977us : execlists_reset_finish: 0000:00:02.0 rcs0: depth->0 <0> [574.307591] i915_sel-6278 6.N.. 538592996us : execlists_reset_finish: 0000:00:02.0 bcs0: depth->0 <0> [574.307591] i915_sel-6278 6.N.. 538593023us : execlists_reset_finish: 0000:00:02.0 vcs0: depth->0 <0> [574.307591] i915_sel-6278 6.N.. 538593037us : execlists_reset_finish: 0000:00:02.0 vcs1: depth->0 <0> [574.307591] i915_sel-6278 6.N.. 538593051us : execlists_reset_finish: 0000:00:02.0 vecs0: depth->0 <0> [574.307591] i915_sel-6278 6.... 538593407us : __intel_gt_set_wedged.part.32: 0000:00:02.0 end <0> [574.307591] kworker/-210 7d..1 551958381us : execlists_unhold: 0000:00:02.0 rcs0: fence f51b:2, current 2 hold release <0> [574.307591] i915_sel-6278 0.... 559490788us : i915_request_retire: 0000:00:02.0 rcs0: fence f51b:2, current 2 <0> [574.307591] i915_sel-6278 0.... 559490793us : intel_context_unpin: 0000:00:02.0 rcs0: context:f51b unpin <0> [574.307591] i915_sel-6278 0.... 559490798us : __engine_park: 0000:00:02.0 rcs0: parked <0> [574.307591] i915_sel-6278 0.... 559490982us : __intel_context_retire: 0000:00:02.0 rcs0: context:f51c retire runtime: { total:30004ns, avg:30004ns } <0> [574.307591] i915_sel-6278 0.... 559491372us : __engine_park: __engine_park:261 GEM_BUG_ON(engine->execlists.queue_priority_hint != (-((int)(~0U >> 1)) - 1)) Signed-off-by:Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200227085723.1961649-9-chris@chris-wilson.co.uk
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Chris Wilson authored
Give the reset worker a kick before losing help when waiting for hang recovery, as the CPU scheduler is a little unreliable. Signed-off-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200227085723.1961649-15-chris@chris-wilson.co.uk
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Ville Syrjälä authored
Detect GLK pre-production steppings. Not 100% of A2 being pre-prod since the spec is a bit of a mess but feels more or less correct. Suggested-by:
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Chris Wilson authored
As we require a context switch to ensure that the current context is switched out and saved to memory, perform an explicit switch to the kernel context and wait for it. Closes: https://gitlab.freedesktop.org/drm/intel/issues/1336Signed-off-by:
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Chris Wilson authored
The engine->kernel_context is a special case for request emission. Since it is used as the barrier within the engine's wakeref, we must acquire the wakeref before submitting a request to the kernel_context. Reported-by:
Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by:
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Chris Wilson authored
Inside the general i915_oa_init_reg_state() we avoid using the perf->mutex. However, we rely on perf->exclusive_stream being valid to access at that point, and for that we have to control the race with disabling perf. This relies on the disabling being a heavy barrier that inspects all active contexts, after marking the perf->exclusive_stream as not available. This should ensure that there are no more concurrent accesses to the perf->exclusive_stream as we destroy it. Mark up the races around the perf->exclusive_stream so that they stand out much more. (And hopefully we will be running kcsan to start validating that the only races we have are carefully controlled.) Signed-off-by:
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Anshuman Gupta authored
As a disabled pipe in pipe_mask is not having a valid intel crtc, driver wrongly populates the possible_crtcs mask while initializing the plane for a CRTC. Fixing up the plane possible_crtcs mask. changes since RFC: - Simplify the possible_crtcs initialization. [Ville] v2: - Removed the unnecessary stack garbage possible_crtcs to drm_universal_plane_init. [Ville] v3: - Combine the intel_crtc assignment and declaration. [Ville] v4: - Fix possible_crtcs abused bits from intel_{primary,curosr,sprite}_plane_create(). [Ville] Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:Anshuman Gupta <anshuman.gupta@intel.com> Signed-off-by:
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Chris Wilson authored
We need to be extremely careful inside i915_request_await_start() as it needs to walk the list of requests in the foreign timeline with very little protection. As we hold our own timeline mutex, we can not nest inside the signaler's timeline mutex, so all that remains is our RCU protection. However, to be safe we need to tell the compiler that we may be traversing the list only under RCU protection, and furthermore we need to start declaring requests as elements of the timeline from their construction. Fixes: 9ddc8ec0 ("drm/i915: Eliminate the trylock for awaiting an earlier request") Fixes: 6a79d848 ("drm/i915: Lock signaler timeline while navigating") Signed-off-by:
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Chris Wilson authored
Check that we can recover if the LRC is totally corrupted. Based on a very simple theory that anything that can be adjusted via the context (i.e. on behalf of the user), should be under the purview of the per-engine-reset. Signed-off-by:
Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200227085723.1961649-13-chris@chris-wilson.co.uk
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Chris Wilson authored
Record the LRC registers before/after a preemption event to ensure that the first context sees nothing from the second client; at least in the normal per-context register state. References: https://gitlab.freedesktop.org/drm/intel/issues/1233Signed-off-by:
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Chris Wilson authored
Pull the final atomic_dec of vm->open (marking the vm as closed) underneath the same vm->mutex as used to close it. This is required to correctly serialise with attempting to reuse the vma as the vm is closed by a second thread. References: 00de702c ("drm/i915: Check that the vma hasn't been closed before we insert it") Signed-off-by:
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Chris Wilson authored
As we drop the engine-pm on retiring, that may happen while there are still CS events in the buffer. As such we cannot assert the engine is still active on reset, until we know that the current request is still in flight. Closes: https://gitlab.freedesktop.org/drm/intel/issues/1338Signed-off-by:
Andi Shyti <andi.shyti@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200227204727.2009346-1-chris@chris-wilson.co.uk
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Chris Wilson authored
Still chasing the mystery of the stray idle flush, let's ensure that the heartbeat does not run at the same time as our test and confuse us. References: https://gitlab.freedesktop.org/drm/intel/issues/541Signed-off-by:
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Chris Wilson authored
Attaching to the i915_active barrier is a two stage process, and a flush is only effective when the barrier is activation. Thus it is possible for us to see a barrier, and attempt to flush, only for our flush to have no effect. As such, before attempting to activate signaling on the fence we need to double check it is a fence! Fixes: d13a3177 ("drm/i915: Flush idle barriers when waiting") Closes: https://gitlab.freedesktop.org/drm/intel/issues/1333Signed-off-by:
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- 27 Feb, 2020 8 commits
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Daniele Ceraolo Spurio authored
On TGL, bits 2-4 in the GGTT PTE are not ignored anymore and are instead used for some extra VT-d capabilities. We don't (yet?) have support for those capabilities, but, given that we shared the pte_encode function betweed GGTT and PPGTT, we still set those bits to the PPGTT PPAT values. The DMA engine gets very confused when those bits are set while the iommu is enabled, leading to errors. E.g. when loading the GuC we get: [ 9.796218] DMAR: DRHD: handling fault status reg 2 [ 9.796235] DMAR: [DMA Write] Request device [00:02.0] PASID ffffffff fault addr 0 [fault reason 02] Present bit in context entry is clear [ 9.899215] [drm:intel_guc_fw_upload [i915]] *ERROR* GuC firmware signature verification failed To fix this, just have dedicated gen8_pte_encode function per type of gtt. Also, explicitly set vm->pte_encode for gen8_ppgtt, even if we don't use it, to make sure we don't accidentally assign it to the GGTT one, like we do for gen6_ppgtt, in case we need it in the future. Reported-by:
"Sodhi, Vunny" <vunny.sodhi@intel.com> Signed-off-by:
Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by:
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Lucas De Marchi authored
Wa_1608008084 is an additional WA that applies to writes on FF_MODE2 register. We can't read it back either from CPU or GPU. Since the other bits should be 0, recommendation to handle Wa_1604555607 is to actually just write the timer value. Do a write only and don't try to read it, neither before or after the WA is applied. Fixes: ff690b21 ("drm/i915/tgl: Implement Wa_1604555607") Signed-off-by:
Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by:
José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200224191258.15668-1-lucas.demarchi@intel.com
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Ville Syrjälä authored
Looks like the pipe rounding mode bit has moved from PIPE_CHICKEN to PIPE_MISC on tgl. Frob the new location. Bspec does still document the old bits as well, so I left the code for them as is until we get clarification from the hw folks on whether the old bits still do something useful. Signed-off-by:
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Lucas De Marchi authored
This register was placed in the middle of the PP_STATUS definition instead of together with the PP_CONTROL where it should. Since it's not used and there are no current plans to use it, just remove the definition. v2: remove the define rather than moving it. Signed-off-by:
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Jani Nikula authored
The implicit "dev_priv" local variable use has been a long-standing pain point in the register access macros I915_READ(), I915_WRITE(), POSTING_READ(), I915_READ_FW(), and I915_WRITE_FW(). Replace the sole remaining I915_WRITE() in i915_drv.c with intel_uncore_write(), although it might be better to keep the entire file void of direct register access. No functional changes. Reviewed-by:
Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200225111509.21879-3-jani.nikula@intel.com
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Jani Nikula authored
The implicit "dev_priv" local variable use has been a long-standing pain point in the register access macros I915_READ(), I915_WRITE(), POSTING_READ(), I915_READ_FW(), and I915_WRITE_FW(). Replace them with the corresponding uncore register accessors intel_uncore_read(), intel_uncore_write(), intel_uncore_posting_read(), intel_uncore_read_fw(), and intel_uncore_write_fw(). Rename dev_priv to i915 while at it. No functional changes. Reviewed-by:
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Jani Nikula authored
The DRAM related routines are pretty isolated from the rest of the i915_drv.c, split it out to a separate file. Put the eDRAM stuff in the same bag, and rename the visible functions to have intel_dram_ prefix. Do some benign whitespace fixes and dev_priv -> i915 conversions while at it. Reviewed-by:
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Jani Nikula authored
The #include has been splattered all over the place, but there are precious few places, all .c files, that actually need it. v2: remove leftover double newlines Reviewed-by:
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- 26 Feb, 2020 11 commits
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Matt Atwood authored
On Tiger Lake we do not support source keying in the pixel formats P010, P012, P016. v2: Move WA to end of function. Create helper function for format check. Less verbose debugging messaging. v3: whitespace v4(MattR): - Actually return EINVAL to reject this combination. - Pass format parameter as u32. - Make test TGL-specific for now. - Switch to per-device logging. - Shorten/simplify comment. Bspec: 52890 Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Matt Atwood <matthew.s.atwood@intel.com> Signed-off-by:
Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200224223651.3801646-1-matthew.d.roper@intel.comReviewed-by:
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Matt Roper authored
On gen12, we no longer need to disable DC5/DC6 when when PG2 is in use (which translates to cases where we're using VDSC on pipe A). Bspec: 49193 Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Signed-off-by:
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https://github.com/intel/gvt-linuxRodrigo Vivi authored
gvt-next-2020-02-26 - Enable VFIO edid for all platform (Zhenyu) - Code cleanup for attr group and unused vblank complete (Zhenyu, Julian) - Make gvt oblivious of kvmgt data structures (Julian) - Make WARN* drm specific (Pankaj) Signed-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> From: Zhenyu Wang <zhenyuw@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200226103840.GD10413@zhen-hp.sh.intel.com
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Anshuman Gupta authored
skl_ddb_allocation_overlaps() num_entries hass been passed as INTEL_NUM_PIPES, it should be I915_MAX_PIPES. v2: - Rebased. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Anshuman Gupta authored
Add a WARN_ON for a disabled pipe in pipe_mask at intel_get_crtc_for_pipe() function. v2: - Use drm_WARN_ON instead of WARN_ON. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Anshuman Gupta authored
intel_plane_fb_max_stride should return the max stride of primary plane for first available pipe in intel device info pipe_mask. Similarly glk_force_audio_cdclk() should also use the first available CRTC instead of pipe 'A' crtc to force the cdclk changes. changes since RFC: - Introduced a helper to get first intel_crtc intel_get_first_crtc. [Ville] v1: - Used intel_get_first_crtc() instead of PIPE_A crtc in glk_force_audio_cdclk(). [Ville] Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Anshuman Gupta authored
Skip the transcoder whose pipe is disabled while initializing transcoder error state in 3 non-contiguous display pipe system. v2: - Don't skip EDP_TRANSCODER error state. [Ville] - Use a helper has_transcoder(). [Ville] v3: - Removed DSI transcoder case from has_transcoder(), and few other cosmetic changes. [Ville] Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
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Anshuman Gupta authored
we can't have (pipe == crtc->index) assumption in driver in order to support 3 non-contiguous display pipe system. FIXME: Remove the WARN_ON(drm_crtc_index(&crtc->base) != crtc->pipe) when we will fix all such assumption. changes since RFC: - Added again removed (pipe == crtc->index) WARN_ON. - Pass drm_crtc_index instead of intel pipe in order to call drm_handle_vblank(). v2: - Used drm_crtc_handle_vblank()/drm_crtc_wait_one_vblank() instead of drm_handle_vblank/drm_wait_one_vblank(). [Jani] - Introduced intel_handle_vblank() helper to avoid sprinkle of intel_crtc across irq_handlers. [Ville] v3: - Moved intel_handle_vblank() from header to i915_irq.c. [Ville] Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Reviewed-by:
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Anshuman Gupta authored
It should not be assumed that a disabled display pipe will be always last the pipe. for_each_pipe() should iterate over I915_MAX_PIPES and check for the disabled pipe and skip that pipe so that it should not initialize the intel crtc for any disabled pipes. Due to changes in for_each_pipe() macro, it requires to handle the below compilation error. "suggest explicit braces to avoid ambiguous ‘else’ [-Werror=dangling-else]" v2: - Cosmetic changes, removed unwanted parentheses. [Ville] Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
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Jani Nikula authored
Split inte_modeset_init() to parts before and after irq install, to facilitate further cleanup. The error paths are a mess, otherwise no functional changes. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Jani Nikula authored
We no longer need or use it as we subclass struct drm_device in our struct drm_i915_private, and can always use to_i915() to get at i915. Stop assigning the pointer to catch anyone trying to add new users for ->dev_private. Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:
Dale B Stimson <dale.b.stimson@intel.com> Signed-off-by:
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- 25 Feb, 2020 3 commits
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Chris Wilson authored
Check the user's flags on the struct file before deciding whether or not to stall before submitting a request. This allows us to reasonably cheaply honour O_NONBLOCK without checking at more critical phases during request submission. Suggested-by:
Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by:
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Chris Wilson authored
No good reason why we must always use a static ringsize, so let userspace select one during construction. Link: https://github.com/intel/compute-runtime/pull/261Signed-off-by:
Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200225192206.1107336-2-chris@chris-wilson.co.uk
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Chris Wilson authored
If we do find ourselves with an idle barrier inside our active while waiting, attempt to flush it by emitting a pulse using the kernel context. Signed-off-by:
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