- 28 Jun, 2021 1 commit
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Boris Brezillon authored
The panfrost driver tries to kill in-flight jobs on FD close after destroying the FD scheduler entities. For this to work properly, we need to make sure the jobs popped from the scheduler entities have been queued at the HW level before declaring the entity idle, otherwise we might iterate over a list that doesn't contain those jobs. Suggested-by:
Lucas Stach <l.stach@pengutronix.de> Signed-off-by:
Boris Brezillon <boris.brezillon@collabora.com> Cc: Lucas Stach <l.stach@pengutronix.de> Reviewed-by:
Steven Price <steven.price@arm.com> Reviewed-by:
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- 24 Jun, 2021 17 commits
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Daniel Vetter authored
Goes through all the drivers and deletes the default hook since it's the default now. Acked-by:
David Lechner <david@lechnology.com> Acked-by:
Noralf Trønnes <noralf@tronnes.org> Acked-by:
Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Cc: Joel Stanley <joel@jms.id.au> Cc: Andrew Jeffery <andrew@aj.id.au> Cc: "Noralf Trønnes" <noralf@tronnes.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Emma Anholt <emma@anholt.net> Cc: David Lechner <david@lechnology.com> Cc: Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com> Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: linux-aspeed@lists.ozlabs.org Cc: linux-arm-kernel@lists.infradead.org Cc: xen-devel@lists.xenproject.org Link: https://patchwork.freedesktop.org/patch/msgid/20210622165511.3169559-14-daniel.vetter@ffwll.ch
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Daniel Vetter authored
It's tedious to review this all the time, and my audit showed that arcpgu actually forgot to set this. Make this the default and stop worrying. Again I sprinkled WARN_ON_ONCE on top to make sure we don't have strange combinations of hooks: cleanup_fb without prepare_fb doesn't make sense, and since simpler drivers are all new they better be GEM based drivers. v2: Warn and bail when it's _not_ a GEM driver (Noralf) v3: It's neither ... nor, not not (Sam) Acked-by:
Sam Ravnborg <sam@ravnborg.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Noralf Trønnes <noralf@tronnes.org> Acked-by:
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Daniel Vetter authored
I guess no one ever tried running omap together with lima or panfrost, not even sure that's possible. Anyway for consistency, fix this. Reviewed-by:
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by:
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Daniel Vetter authored
Like we have for the shadow helpers too, and roll it out to drivers. Acked-by:
Thomas Zimmermann <tzimmermann@suse.de> Acked-by:
Tian Tao <tiantao6@hisilicon.com> Signed-off-by:
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Daniel Vetter authored
All they do is refcount the fb, which the atomic helpers already do. This is was necessary with the legacy helpers and I guess just carry over in the conversion. drm_plane_state always has a full reference for its ->fb pointer during its entire lifetime, see __drm_atomic_helper_plane_destroy_state() Acked-by:
Maxime Ripard <maxime@cerno.tech> Signed-off-by:
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Daniel Vetter authored
No need to set it explicitly. Acked-by:
Philipp Zabel <p.zabel@pengutronix.de> Acked-by:
Heiko Stuebner <heiko@sntech.de> Acked-by:
Paul Cercueil <paul@crapouillou.net> Acked-by:
Jernej Skrabec <jernej.skrabec@gmail.com> Acked-by:
Chun-Kuang Hu <chunkuang.hu@kernel.org> Acked-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Acked-by:
Philippe Cornu <philippe.cornu@foss.st.com> Acked-by:
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Daniel Vetter authored
There's a bunch of atomic drivers who don't do this quite correctly, luckily most of them aren't in wide use or people would have noticed the tearing. By making this the default we avoid the constant audit pain and can additionally remove a ton of lines from vfuncs for a bit more clarity in smaller drivers. While at it complain if there's a cleanup_fb hook but no prepare_fb hook, because that makes no sense. I haven't found any driver which violates this, but better safe than sorry. Subsequent patches will reap the benefits. v2: It's neither ... nor, not not (Sam) Acked-by:
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Daniel Vetter authored
Docs for struct dma_resv are fairly clear: "A reservation object can have attached one exclusive fence (normally associated with write operations) or N shared fences (read operations)." https://dri.freedesktop.org/docs/drm/driver-api/dma-buf.html#reservation-objects Furthermore a review across all of upstream. First of render drivers and how they set implicit fences: - nouveau follows this contract, see in validate_fini_no_ticket() nouveau_bo_fence(nvbo, fence, !!b->write_domains); and that last boolean controls whether the exclusive or shared fence slot is used. - radeon follows this contract by setting p->relocs[i].tv.num_shared = !r->write_domain; in radeon_cs_parser_relocs(), which ensures that the call to ttm_eu_fence_buffer_objects() in radeon_cs_parser_fini() will do the right thing. - vmwgfx seems to follow this contract with the shotgun approach of always setting ttm_val_buf->num_shared = 0, which means ttm_eu_fence_buffer_objects() will only use the exclusive slot. - etnaviv follows this contract, as can be trivially seen by looking at submit_attach_object_fences() - i915 is a bit a convoluted maze with multiple paths leading to i915_vma_move_to_active(). Which sets the exclusive flag if EXEC_OBJECT_WRITE is set. This can either come as a buffer flag for softpin mode, or through the write_domain when using relocations. It follows this contract. - lima follows this contract, see lima_gem_submit() which sets the exclusive fence when the LIMA_SUBMIT_BO_WRITE flag is set for that bo - msm follows this contract, see msm_gpu_submit() which sets the exclusive flag when the MSM_SUBMIT_BO_WRITE is set for that buffer - panfrost follows this contract with the shotgun approach of just always setting the exclusive fence, see panfrost_attach_object_fences(). Benefits of a single engine I guess - v3d follows this contract with the same shotgun approach in v3d_attach_fences_and_unlock_reservation(), but it has at least an XXX comment that maybe this should be improved - v4c uses the same shotgun approach of always setting an exclusive fence, see vc4_update_bo_seqnos() - vgem also follows this contract, see vgem_fence_attach_ioctl() and the VGEM_FENCE_WRITE. This is used in some igts to validate prime sharing with i915.ko without the need of a 2nd gpu - vritio follows this contract again with the shotgun approach of always setting an exclusive fence, see virtio_gpu_array_add_fence() This covers the setting of the exclusive fences when writing. Synchronizing against the exclusive fence is a lot more tricky, and I only spot checked a few: - i915 does it, with the optional EXEC_OBJECT_ASYNC to skip all implicit dependencies (which is used by vulkan) - etnaviv does this. Implicit dependencies are collected in submit_fence_sync(), again with an opt-out flag ETNA_SUBMIT_NO_IMPLICIT. These are then picked up in etnaviv_sched_dependency which is the drm_sched_backend_ops->dependency callback. - v4c seems to not do much here, maybe gets away with it by not having a scheduler and only a single engine. Since all newer broadcom chips than the OG vc4 use v3d for rendering, which follows this contract, the impact of this issue is fairly small. - v3d does this using the drm_gem_fence_array_add_implicit() helper, which then it's drm_sched_backend_ops->dependency callback v3d_job_dependency() picks up. - panfrost is nice here and tracks the implicit fences in panfrost_job->implicit_fences, which again the drm_sched_backend_ops->dependency callback panfrost_job_dependency() picks up. It is mildly questionable though since it only picks up exclusive fences in panfrost_acquire_object_fences(), but not buggy in practice because it also always sets the exclusive fence. It should pick up both sets of fences, just in case there's ever going to be a 2nd gpu in a SoC with a mali gpu. Or maybe a mali SoC with a pcie port and a real gpu, which might actually happen eventually. A bug, but easy to fix. Should probably use the drm_gem_fence_array_add_implicit() helper. - lima is nice an easy, uses drm_gem_fence_array_add_implicit() and the same schema as v3d. - msm is mildly entertaining. It also supports MSM_SUBMIT_NO_IMPLICIT, but because it doesn't use the drm/scheduler it handles fences from the wrong context with a synchronous dma_fence_wait. See submit_fence_sync() leading to msm_gem_sync_object(). Investing into a scheduler might be a good idea. - all the remaining drivers are ttm based, where I hope they do appropriately obey implicit fences already. I didn't do the full audit there because a) not follow the contract would confuse ttm quite well and b) reading non-standard scheduler and submit code which isn't based on drm/scheduler is a pain. Onwards to the display side. - Any driver using the drm_gem_plane_helper_prepare_fb() helper will correctly. Overwhelmingly most drivers get this right, except a few totally dont. I'll follow up with a patch to make this the default and avoid a bunch of bugs. - I didn't audit the ttm drivers, but given that dma_resv started there I hope they get this right. In conclusion this IS the contract, both as documented and overwhelmingly implemented, specically as implemented by all render drivers except amdgpu. Amdgpu tried to fix this already in commit 049aca43 Author: Christian König <christian.koenig@amd.com> Date: Wed Sep 19 16:54:35 2018 +0200 drm/amdgpu: fix using shared fence for exported BOs v2 but this fix falls short on a number of areas: - It's racy, by the time the buffer is shared it might be too late. To make sure there's definitely never a problem we need to set the fences correctly for any buffer that's potentially exportable. - It's breaking uapi, dma-buf fds support poll() and differentitiate between, which was introduced in commit 9b495a58 Author: Maarten Lankhorst <maarten.lankhorst@canonical.com> Date: Tue Jul 1 12:57:43 2014 +0200 dma-buf: add poll support, v3 - Christian König wants to nack new uapi building further on this dma_resv contract because it breaks amdgpu, quoting "Yeah, and that is exactly the reason why I will NAK this uAPI change. "This doesn't works for amdgpu at all for the reasons outlined above." https://lore.kernel.org/dri-devel/f2eb6751-2f82-9b23-f57e-548de5b729de@gmail.com/ Rejecting new development because your own driver is broken and violates established cross driver contracts and uapi is really not how upstream works. Now this patch will have a severe performance impact on anything that runs on multiple engines. So we can't just merge it outright, but need a bit a plan: - amdgpu needs a proper uapi for handling implicit fencing. The funny thing is that to do it correctly, implicit fencing must be treated as a very strange IPC mechanism for transporting fences, where both setting the fence and dependency intercepts must be handled explicitly. Current best practices is a per-bo flag to indicate writes, and a per-bo flag to to skip implicit fencing in the CS ioctl as a new chunk. - Since amdgpu has been shipping with broken behaviour we need an opt-out flag from the butchered implicit fencing model to enable the proper explicit implicit fencing model. - for kernel memory fences due to bo moves at least the i915 idea is to use ttm_bo->moving. amdgpu probably needs the same. - since the current p2p dma-buf interface assumes the kernel memory fence is in the exclusive dma_resv fence slot we need to add a new fence slot for kernel fences, which must never be ignored. Since currently only amdgpu supports this there's no real problem here yet, until amdgpu gains a NO_IMPLICIT CS flag. - New userspace needs to ship in enough desktop distros so that users wont notice the perf impact. I think we can ignore LTS distros who upgrade their kernels but not their mesa3d snapshot. - Then when this is all in place we can merge this patch here. What is not a solution to this problem here is trying to make the dma_resv rules in the kernel more clever. The fundamental issue here is that the amdgpu CS uapi is the least expressive one across all drivers (only equalled by panfrost, which has an actual excuse) by not allowing any userspace control over how implicit sync is conducted. Until this is fixed it's completely pointless to make the kernel more clever to improve amdgpu, because all we're doing is papering over this uapi design issue. amdgpu needs to attain the status quo established by other drivers first, once that's achieved we can tackle the remaining issues in a consistent way across drivers. v2: Bas pointed me at AMDGPU_GEM_CREATE_EXPLICIT_SYNC, which I entirely missed. This is great because it means the amdgpu specific piece for proper implicit fence handling exists already, and that since a while. The only thing that's now missing is - fishing the implicit fences out of a shared object at the right time - setting the exclusive implicit fence slot at the right time. Jason has a patch series to fill that gap with a bunch of generic ioctl on the dma-buf fd: https://lore.kernel.org/dri-devel/20210520190007.534046-1-jason@jlekstrand.net/ v3: Since Christian has fixed amdgpu now in commit 8c505bdc (drm-misc/drm-misc-next) Author: Christian König <christian.koenig@amd.com> Date: Wed Jun 9 13:51:36 2021 +0200 drm/amdgpu: rework dma_resv handling v3 Use the audit covered in this commit message as the excuse to update the dma-buf docs around dma_buf.resv usage across drivers. Since dynamic importers have different rules also hammer these in again while we're at it. v4: - Add the missing "through the device" in the dynamic section that I overlooked. - Fix a kerneldoc markup mistake, the link didn't connect v5: - A few s/should/must/ to make clear what must be done (if the driver does implicit sync) and what's more a maybe (Daniel Stone) - drop all the example api discussion, that needs to be expanded, clarified and put into a new chapter in drm-uapi.rst (Daniel Stone) Cc: Daniel Stone <daniel@fooishbar.org> Acked-by:
Daniel Stone <daniel@fooishbar.org> Reviewed-by: Dave Airlie <airlied@redhat.com> (v4) Reviewed-by: Christian König <christian.koenig@amd.com> (v3) Cc: mesa-dev@lists.freedesktop.org Cc: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Cc: Dave Airlie <airlied@gmail.com> Cc: Rob Clark <robdclark@chromium.org> Cc: Kristian H. Kristensen <hoegsberg@google.com> Cc: Michel Dänzer <michel@daenzer.net> Cc: Daniel Stone <daniels@collabora.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Deepak R Varma <mh12gx2825@gmail.com> Cc: Chen Li <chenli@uniontech.com> Cc: Kevin Wang <kevin1.wang@amd.com> Cc: Dennis Li <Dennis.Li@amd.com> Cc: Luben Tuikov <luben.tuikov@amd.com> Cc: linaro-mm-sig@lists.linaro.org Signed-off-by:
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Daniel Vetter authored
Also review & update everything while we're at it. This is prep work to smash a ton of stuff into the kerneldoc for @resv. v2: Move the doc for sysfs_entry.attachment_uid to the right place too (Sam) Reviewed-by:
Christian König <christian.koenig@amd.com> Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Daniel Vetter authored
Spotted while trying to convert panfrost to these. Reviewed-by:
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Laurent Pinchart authored
To prepare for making connector creation option, move connector creation out of ti_sn_bridge_attach to a separate function. No functional change intended. Signed-off-by:
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by:
Stephen Boyd <swboyd@chromium.org> Reviewed-by:
Douglas Anderson <dianders@chromium.org> Signed-off-by:
Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210624000304.16281-7-laurent.pinchart+renesas@ideasonboard.com
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Laurent Pinchart authored
Reorganize the functions in sections, related to connector operations, bridge operations, AUX adapter, GPIO controller and probe & remove. This prepares for proper support of DRM_BRIDGE_ATTACH_NO_CONNECTOR that will add more functions, to ensure that the code will stay readable. No functional change intended. Signed-off-by:
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Laurent Pinchart authored
To simplify interfacing with the panel, wrap it in a panel-bridge and let the DRM bridge helpers handle chaining of operations. This also prepares for support of DRM_BRIDGE_ATTACH_NO_CONNECTOR, which requires all components in the display pipeline to be represented by bridges. Signed-off-by:
Jagan Teki <jagan@amarulasolutions.com> Signed-off-by:
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Laurent Pinchart authored
The valid rates are stored in an array of 8 booleans. Replace it with a bitmask to save space. Signed-off-by:
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Laurent Pinchart authored
The enable signal may not be controllable by the kernel. Make it optional. Signed-off-by:
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Laurent Pinchart authored
The SN65DSI86 EN pin can be hardwired to a high level, or connected to a global reset signal, not controllable by the kernel. Make it optional in those cases. Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Boris Brezillon authored
Jobs can be in-flight when the file descriptor is closed (either because the process did not terminate properly, or because it didn't wait for all GPU jobs to be finished), and apparently panfrost_job_close() does not cancel already running jobs. Let's refcount the MMU context object so it's lifetime is no longer bound to the FD lifetime and running jobs can finish properly without generating spurious page faults. Reported-by:
Icecream95 <ixn@keemail.me> Fixes: 7282f764 ("drm/panfrost: Implement per FD address spaces") Cc: <stable@vger.kernel.org> Signed-off-by:
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- 23 Jun, 2021 22 commits
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Daniel Vetter authored
Currently this has no practial relevance I think because there's not many who can pull off a setup with panfrost and another gpu in the same system. But the rules are that if you're setting an exclusive fence, indicating a gpu write access in the implicit fencing system, then you need to wait for all fences, not just the previous exclusive fence. panfrost against itself has no problem, because it always sets the exclusive fence (but that's probably something that will need to be fixed for vulkan and/or multi-engine gpus, or you'll suffer badly). Also no problem with that against display. With the prep work done to switch over to the dependency helpers this is now a oneliner. Reviewed-by:
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Daniel Vetter authored
More consistency and prep work for the next patch. Aside: I wonder whether we shouldn't just move this entire xarray business into the scheduler so that not everyone has to reinvent the same wheels. Cc'ing some scheduler people for this too. v2: Correctly handle sched_lock since Lucas pointed out it's needed. v3: Rebase, dma_resv_get_excl_unlocked got renamed v4: Don't leak job references on failure (Steven). Reviewed-by:
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Daniel Vetter authored
drm/scheduler requires a lock between _init and _push_job, but the reservation lock dance doesn't. So shrink the critical section a notch. v2: Lucas pointed out how this should really work, I got it all wrong in v1. Reviewed-by:
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Daniel Vetter authored
Oversight from commit 6edbd6ab Author: Christian König <christian.koenig@amd.com> Date: Mon May 10 16:14:09 2021 +0200 dma-buf: rename and cleanup dma_resv_get_excl v3 Reviewed-by:
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Andrey Grodzovsky authored
With added CPU domain to placement you can have now 3 placemnts at once. CC: stable@kernel.org Signed-off-by:
Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by:
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Lang Yu authored
Change mgr->available into mgr->used (invert the value). Makes more sense to do it this way since we don't need the spinlock any more to double check the handling. v3 (chk): separated from the TEMPOARAY FLAG change. Signed-off-by:
Lang Yu <Lang.Yu@amd.com> Signed-off-by:
Nirmoy Das <nirmoy.das@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210622162339.761651-4-andrey.grodzovsky@amd.com
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Christian König authored
When we run out of GTT we should still be able to evict VRAM->SYSTEM with a bounce bufferdrm/amdgpu: always allow evicting to SYSTEM domain Signed-off-by:
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Lang Yu authored
Currently, we have a limitted GTT memory size and need a bounce buffer when doing buffer migration between VRAM and SYSTEM domain. The problem is under GTT memory pressure we can't do buffer migration between VRAM and SYSTEM domain. But in some cases we really need that. Eespecially when validating a VRAM backing store BO which resides in SYSTEM domain. v2: still account temporary GTT allocations v3 (chk): revert to the simpler change for now Signed-off-by:
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Lang Yu authored
Sometimes drivers need to use bounce buffers to evict BOs. While those reside in some domain they are not necessarily suitable for CS. Add a flag so that drivers can note that a bounce buffers needs to be reallocated during validation. v2: add detailed comments v3 (chk): merge commits and rework commit message Suggested-by:
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Andrey Grodzovsky authored
Problem: Under memory pressure when GTT domain is almost full multihop assert will come up when trying to evict LRU BO from VRAM to SYSTEM. Fix: Don't assert on multihop error in evict code but rather do a retry as we do in ttm_bo_move_buffer Signed-off-by:
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Maxime Ripard authored
The hdmi-codec brings a lot of advanced features, including the HDMI channel mapping. Let's use it in our driver instead of our own codec. Signed-off-by:
Nicolas Saenz Julienne <nsaenz@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210525132354.297468-11-maxime@cerno.tech
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Dom Cobley authored
This was a workaround for bugs in hardware on earlier Pi models and wasn't totally successful. It makes audio quality worse on a Pi4 at the higher sample rates Signed-off-by:
Dom Cobley <popcornmix@gmail.com> Signed-off-by:
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Dom Cobley authored
Without this bit set, HDMI_MAI_FORMAT doesn't pick up the format and samplerate from DVP_CFG_MAI0_FMT and you can't get HDMI_HDMI_13_AUDIO_STATUS_1 to indicate HBR mode Signed-off-by:
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Dom Cobley authored
The hardware uses this for generating the right audio data island packets when using formats other than PCM Signed-off-by:
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Dom Cobley authored
Symptom is random switching of speakers when using multichannel. Repeatedly running speakertest -c8 occasionally starts with channels jumbled. This is fixed with HD_CTL_WHOLSMP. The other bit looks beneficial and apears harmless in testing so I'd suggest adding it too. Documentation says: HD_CTL_WHILSMP_SET Wait for whole sample. When this bit is set MAI transmit will start only when there is at least one whole sample available in the fifo. Documentation says: HD_CTL_CHALIGN_SET Channel Align When Overflow. This bit is used to realign the audio channels in case of an overflow. If this bit is set, after the detection of an overflow, equal amount of dummy words to the missing words will be written to fifo, filling up the broken sample and maintaining alignment. Signed-off-by:
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Maxime Ripard authored
Merge tag 'asoc-hdmi-codec-improvements-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-misc-next Improvements to the hdmi-codec driver and ALSA infrastructure around it to support the HDMI Channel Mapping and IEC958 controls Signed-off-by:
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Maxime Ripard authored
The drm_connector detect, drm_dp_aux transfer and mipi_dsi_host operations typically require to access their underlying device to perform what is expected of them. However, there's no guarantee on the fact that the device has been enabled through atomic_enable or similar that will usually power the device. The access to an unpowered device is then an undefined behaviour ranging from the access being ignored to a hard CPU hang. Let's document that expectation to avoid as much as possible those consequences. Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210616141529.630719-3-maxime@cerno.tech
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Maxime Ripard authored
Drivers that allow concurrent access over multiple DP channels need to provide additional locking, even though the hw_mutex field might indicate otherwise. Clarify it in the documentation. Suggested-by:
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Maxime Ripard authored
Split the existing documentation to move the comments on particular fields next to them. Suggested-by:
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Vivek Kasireddy authored
If the framebuffer associated with the plane contains a fence, then it is added to resource_flush and will be waited upon for a max of 50 msecs or until it is signalled by the Host. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by:
Vivek Kasireddy <vivek.kasireddy@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-4-vivek.kasireddy@intel.comSigned-off-by:
Gerd Hoffmann <kraxel@redhat.com>
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Vivek Kasireddy authored
A fence will be added to resource_flush for resources that are guest blobs. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by:
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Vivek Kasireddy authored
Add prepare and cleanup routines for primary planes as well where a fence is added only if the BO/FB associated with the plane is a guest blob. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by:
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