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path: root/drivers/gpu/drm/panfrost
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2020-09-21drm/panfrost: add support for vendor quirkNeil Armstrong
The T820, G31 & G52 GPUs integrated by Amlogic in the respective GXM, G12A/SM1 & G12B SoCs needs a quirk in the PWR registers after each reset. This adds a callback in the device compatible struct of permit this. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> [Steven: Fix typo in commit log] Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200916150147.25753-2-narmstrong@baylibre.com
2020-09-17Merge branch 'for-5.10-drm-sg-fix' of https://github.com/mszyprow/linux into ↵Dave Airlie
drm-next Please pull a set of fixes for various DRM drivers that finally resolve incorrect usage of the scatterlists (struct sg_table nents and orig_nents entries), what causes issues when IOMMU is used. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200910080505.24456-1-m.szyprowski@samsung.com
2020-09-10drm/panfrost: Ensure GPU quirks are always initialisedSteven Price
The GPU 'CONFIG' registers used to work around hardware issues are cleared on reset so need to be programmed every time the GPU is reset. However panfrost_device_reset() failed to do this. To avoid this in future instead move the call to panfrost_gpu_init_quirks() to panfrost_gpu_power_on() so that the regsiters are always programmed just before the cores are powered. Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver") Signed-off-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200909122957.51667-1-steven.price@arm.com
2020-09-10drm/panfrost: Set DMA max segment sizeRobin Murphy
Since all we do with scatterlists is map them in the MMU, we don't have any hardware constraints on how they're laid out. Let the DMA layer know so it won't warn when DMA API debugging is enabled. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/04371bc36512076b7feee07f854e56b80675d953.1599141563.git.robin.murphy@arm.com
2020-09-10drm: panfrost: fix common struct sg_table related issuesMarek Szyprowski
The Documentation/DMA-API-HOWTO.txt states that the dma_map_sg() function returns the number of the created entries in the DMA address space. However the subsequent calls to the dma_sync_sg_for_{device,cpu}() and dma_unmap_sg must be called with the original number of the entries passed to the dma_map_sg(). struct sg_table is a common structure used for describing a non-contiguous memory buffer, used commonly in the DRM and graphics subsystems. It consists of a scatterlist with memory pages and DMA addresses (sgl entry), as well as the number of scatterlist entries: CPU pages (orig_nents entry) and DMA mapped pages (nents entry). It turned out that it was a common mistake to misuse nents and orig_nents entries, calling DMA-mapping functions with a wrong number of entries or ignoring the number of mapped entries returned by the dma_map_sg() function. To avoid such issues, lets use a common dma-mapping wrappers operating directly on the struct sg_table objects and use scatterlist page iterators where possible. This, almost always, hides references to the nents and orig_nents entries, making the code robust, easier to follow and copy/paste safe. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Rob Herring <robh@kernel.org>
2020-08-18Merge v5.9-rc1 into drm-misc-nextMaxime Ripard
Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-08-11Merge tag 'iommu-updates-v5.9' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu updates from Joerg Roedel: - Remove of the dev->archdata.iommu (or similar) pointers from most architectures. Only Sparc is left, but this is private to Sparc as their drivers don't use the IOMMU-API. - ARM-SMMU updates from Will Deacon: - Support for SMMU-500 implementation in Marvell Armada-AP806 SoC - Support for SMMU-500 implementation in NVIDIA Tegra194 SoC - DT compatible string updates - Remove unused IOMMU_SYS_CACHE_ONLY flag - Move ARM-SMMU drivers into their own subdirectory - Intel VT-d updates from Lu Baolu: - Misc tweaks and fixes for vSVA - Report/response page request events - Cleanups - Move the Kconfig and Makefile bits for the AMD and Intel drivers into their respective subdirectory. - MT6779 IOMMU Support - Support for new chipsets in the Renesas IOMMU driver - Other misc cleanups and fixes (e.g. to improve compile test coverage) * tag 'iommu-updates-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (77 commits) iommu/amd: Move Kconfig and Makefile bits down into amd directory iommu/vt-d: Move Kconfig and Makefile bits down into intel directory iommu/arm-smmu: Move Arm SMMU drivers into their own subdirectory iommu/vt-d: Skip TE disabling on quirky gfx dedicated iommu iommu: Add gfp parameter to io_pgtable_ops->map() iommu: Mark __iommu_map_sg() as static iommu/vt-d: Rename intel-pasid.h to pasid.h iommu/vt-d: Add page response ops support iommu/vt-d: Report page request faults for guest SVA iommu/vt-d: Add a helper to get svm and sdev for pasid iommu/vt-d: Refactor device_to_iommu() helper iommu/vt-d: Disable multiple GPASID-dev bind iommu/vt-d: Warn on out-of-range invalidation address iommu/vt-d: Fix devTLB flush for vSVA iommu/vt-d: Handle non-page aligned address iommu/vt-d: Fix PASID devTLB invalidation iommu/vt-d: Remove global page support in devTLB flush iommu/vt-d: Enforce PASID devTLB field mask iommu: Make some functions static iommu/amd: Remove double zero check ...
2020-08-07drm/panfrost: perfcnt: fix ref count leak in panfrost_perfcnt_enable_lockedNavid Emamdoost
in panfrost_perfcnt_enable_locked, pm_runtime_get_sync is called which increments the counter even in case of failure, leading to incorrect ref count. In case of failure, decrement the ref count before returning. Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200614063619.44944-1-navid.emamdoost@gmail.com
2020-08-07drm/panfrost: add regulators to devfreqClément Péron
Some OPP tables specify voltage for each frequency. Devfreq can handle these regulators but they should be get only 1 time to avoid issue and know who is in charge. If OPP table is probe don't init regulator. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-11-peron.clem@gmail.com
2020-08-07drm/panfrost: dynamically alloc regulatorsClément Péron
We will later introduce regulators managed by OPP. Only alloc regulators when it's needed. This also help use to release the regulators only when they are allocated. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-10-peron.clem@gmail.com
2020-08-07drm/panfrost: move devfreq_init()/fini() in deviceClément Péron
Later we will introduce devfreq probing regulator if they are present. As regulator should be probe only one time we need to get this logic in the device_init(). panfrost_device is already taking care of devfreq_resume() and devfreq_suspend(), so it's not totally illogic to move the devfreq_init() and devfreq_fini() here. Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-9-peron.clem@gmail.com
2020-08-07drm/panfrost: rename error labels in device_initClément Péron
Rename goto labels in device_init it will be easier to maintain. Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-8-peron.clem@gmail.com
2020-08-07drm/panfrost: properly handle error in probeClément Péron
Introduce a boolean to know if opp table has been added. With this, we can call panfrost_devfreq_fini() in case of error and release what has been initialised. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-7-peron.clem@gmail.com
2020-08-07drm/panfrost: use spinlock instead of atomicClément Péron
Convert busy_count to a simple int protected by spinlock. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-6-peron.clem@gmail.com
2020-08-07drm/panfrost: introduce panfrost_devfreq structClément Péron
Introduce a proper panfrost_devfreq to deal with devfreq variables. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-5-peron.clem@gmail.com
2020-08-07drm/panfrost: don't use pfdevfreq.busy_count to know if hw is idleClément Péron
This use devfreq variable that will be lock with spinlock in future patches. We should either introduce a function to access this one but as devfreq is optional let's just remove it. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-4-peron.clem@gmail.com
2020-08-07drm/panfrost: clean headers in devfreqClément Péron
Don't include not required headers and sort them. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-3-peron.clem@gmail.com
2020-08-07drm/panfrost: avoid static declarationClément Péron
This declaration can be avoided so change it. Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-2-peron.clem@gmail.com
2020-08-07drm/panfrost: Add compatible string for bifrostTomeu Vizoso
Mesa now supports some Bifrost devices, so enable it. Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200611085900.49740-2-tomeu.vizoso@collabora.com
2020-08-07drm/panfrost: Make sure GPU is powered on when reading GPU_LATEST_FLUSH_IDTomeu Vizoso
Bifrost devices do support the flush reduction feature, so on first job submit we were trying to read the register while still powered off. If the GPU is powered off, the feature doesn't bring any benefit, so don't try to read. Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200611085900.49740-1-tomeu.vizoso@collabora.com
2020-07-24iommu: Add gfp parameter to io_pgtable_ops->map()Baolin Wang
Now the ARM page tables are always allocated by GFP_ATOMIC parameter, but the iommu_ops->map() function has been added a gfp_t parameter by commit 781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map"), thus io_pgtable_ops->map() should use the gfp parameter passed from iommu_ops->map() to allocate page pages, which can avoid wasting the memory allocators atomic pools for some non-atomic contexts. Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/3093df4cb95497aaf713fca623ce4ecebb197c2e.1591930156.git.baolin.wang@linux.alibaba.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-06-19drm/panfrost: Use kvfree() to free bo->sgtsDenis Efremov
Use kvfree() to free bo->sgts, because the memory is allocated with kvmalloc_array() in panfrost_mmu_map_fault_addr(). Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations") Cc: stable@vger.kernel.org Signed-off-by: Denis Efremov <efremov@linux.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200608151728.234026-1-efremov@linux.com
2020-06-19drm/panfrost: Fix runtime PM imbalance on errorDinghao Liu
The caller expects panfrost_job_hw_submit() to increase runtime PM usage counter. The refcount decrement on the error branch of WARN_ON() will break the counter balance and needs to be removed. Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200522134109.27204-1-dinghao.liu@zju.edu.cn
2020-06-19drm/panfrost: Fix inbalance of devfreq record_busy/idle()Steven Price
The calls to panfrost_devfreq_record_busy() and panfrost_devfreq_record_idle() must be balanced to ensure that the devfreq utilisation is correctly reported. But there are two cases where this doesn't work correctly. In panfrost_job_hw_submit() if pm_runtime_get_sync() fails or the WARN_ON() fires then no call to panfrost_devfreq_record_busy() is made, but when the job times out the corresponding _record_idle() call is still made in panfrost_job_timedout(). Move the call up to ensure that it always happens. Secondly panfrost_job_timedout() only makes a single call to panfrost_devfreq_record_idle() even if it is cleaning up multiple jobs. Move the call inside the loop to ensure that the number of _record_idle() calls matches the number of _record_busy() calls. Fixes: 9e62b885f715 ("drm/panfrost: Simplify devfreq utilisation tracking") Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200522153653.40754-1-steven.price@arm.com
2020-06-18drm/panfrost: Reduce the amount of logs on deferred probeKrzysztof Kozlowski
There is no point to print deferred probe (and its failures to get resources) as an error. Also there is no need to print regulator errors twice. In case of multiple probe tries this would pollute the dmesg. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200527200544.7849-1-krzk@kernel.org
2020-05-19drm/panfrost: remove _unlocked suffix in drm_gem_object_put_unlockedEmil Velikov
Spelling out _unlocked for each and every driver is a annoying. Especially if we consider how many drivers, do not know (or need to) about the horror stories involving struct_mutex. Just drop the suffix. It makes the API cleaner. Done via the following script: __from=drm_gem_object_put_unlocked __to=drm_gem_object_put for __file in $(git grep --name-only $__from); do sed -i "s/$__from/$__to/g" $__file; done Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Steven Price <steven.price@arm.com> Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Steven Price <steven.price@arm.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20200515095118.2743122-28-emil.l.velikov@gmail.com
2020-03-12Merge tag 'drm-misc-next-2020-03-09' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for 5.7: UAPI Changes: Cross-subsystem Changes: Core Changes: Driver Changes: - fb-helper: Remove drm_fb_helper_{add,add_all,remove}_one_connector - fbdev: some cleanups and dead-code removal - Conversions to simple-encoder - zero-length array removal - Panel: panel-dpi support in panel-simple, Novatek NT35510, Elida KD35T133, Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20200309135439.dicfnbo4ikj4tkz7@gilmour
2020-03-11Merge v5.6-rc5 into drm-nextDave Airlie
Requested my mripard for some misc patches that need this as a base. Signed-off-by: Dave Airlie <airlied@redhat.com>
2020-02-27drm/panfrost: default_supplies[] can be statickbuild test robot
Fixes: 3e1399bccf51 ("drm/panfrost: Add support for multiple regulators") Signed-off-by: kbuild test robot <lkp@intel.com> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200227014100.GA61938@e50d7db646c3
2020-02-25drm/panfrost: Add support for multiple power domainsNicolas Boichat
When there is a single power domain per device, the core will ensure the power domain is switched on (so it is technically equivalent to having not power domain specified at all). However, when there are multiple domains, as in MT8183 Bifrost GPU, we need to handle them in driver code. Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200207052627.130118-6-drinkcat@chromium.org
2020-02-25drm/panfrost: Add support for multiple regulatorsNicolas Boichat
Some GPUs, namely, the bifrost/g72 part on MT8183, have a second regulator for their SRAM, let's add support for that. We extend the framework in a generic manner so that we could support more than 2 regulators, if required. Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Steven Price <steven.price@arm.com> Reviwed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200207052627.130118-5-drinkcat@chromium.org
2020-02-25drm/panfrost: Improve error reporting in panfrost_gpu_power_onNicolas Boichat
It is useful to know which component cannot be powered on. Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200207052627.130118-4-drinkcat@chromium.org
2020-02-25drm/panfrost: Don't try to map on error faultsTomeu Vizoso
If the exception type isn't a translation fault, don't try to map and instead go straight to a terminal fault. Otherwise, we can get flooded by kernel warnings and further faults. Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations") Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200212202236.13095-1-robh@kernel.org
2020-02-17Merge v5.6-rc2 into drm-misc-nextMaxime Ripard
Lyude needs some patches in 5.6-rc2 and we didn't bring drm-misc-next forward yet, so it looks like a good occasion. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-02-14Merge tag 'drm-misc-fixes-2020-02-07' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Fixes for v5.6: - Revert allow_fb_modifiers in sun4i, as it causes a regression for DE2 and DE3. - Fix null pointer deref in drm_dp_mst_process_up_req(). Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/672810c3-4212-0a46-337b-2cb855573fd2@linux.intel.com
2020-02-12drm/panfrost: perfcnt: Reserve/use the AS attached to the perfcnt MMU contextBoris Brezillon
We need to use the AS attached to the opened FD when dumping counters. Reported-by: Antonio Caggiano <antonio.caggiano@collabora.com> Fixes: 7282f7645d06 ("drm/panfrost: Implement per FD address spaces") Cc: <stable@vger.kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Tested-by: Antonio Caggiano <antonio.caggiano@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200206141327.446127-1-boris.brezillon@collabora.com
2020-02-12drm/panfrost: Remove set but not used variable 'bo'YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning: drivers/gpu/drm/panfrost/panfrost_job.c: In function 'panfrost_job_cleanup': drivers/gpu/drm/panfrost/panfrost_job.c:278:31: warning: variable 'bo' set but not used [-Wunused-but-set-variable] commit bdefca2d8dc0 ("drm/panfrost: Add the panfrost_gem_mapping concept") involved this unused variable. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssas Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200203152724.42611-1-yuehaibing@huawei.com
2020-02-12Merge v5.6-rc1 into drm-misc-fixesMaarten Lankhorst
We're based on v5.6, need v5.6-rc1 at least. :) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2020-02-03drm/panfrost: Make sure the shrinker does not reclaim referenced BOsBoris Brezillon
Userspace might tag a BO purgeable while it's still referenced by GPU jobs. We need to make sure the shrinker does not purge such BOs until all jobs referencing it are finished. Fixes: 013b65101315 ("drm/panfrost: Add madvise and shrinker support") Cc: <stable@vger.kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191129135908.2439529-9-boris.brezillon@collabora.com
2020-01-30Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm updates from Davbe Airlie: "This is the main pull request for graphics for 5.6. Usual selection of changes all over. I've got one outstanding vmwgfx pull that touches mm so kept it separate until after all of this lands. I'll try and get it to you soon after this, but it might be early next week (nothing wrong with code, just my schedule is messy) This also hits a lot of fbdev drivers with some cleanups. Other notables: - vulkan timeline semaphore support added to syncobjs - nouveau turing secureboot/graphics support - Displayport MST display stream compression support Detailed summary: uapi: - dma-buf heaps added (and fixed) - command line add support for panel oreientation - command line allow overriding penguin count drm: - mipi dsi definition updates - lockdep annotations for dma_resv - remove dma-buf kmap/kunmap support - constify fb_ops in all fbdev drivers - MST fix for daisy chained hotplug- - CTA-861-G modes with VIC >= 193 added - fix drm_panel_of_backlight export - LVDS decoder support - more device based logging support - scanline alighment for dumb buffers - MST DSC helpers scheduler: - documentation fixes - job distribution improvements panel: - Logic PD type 28 panel support - Jimax8729d MIPI-DSI - igenic JZ4770 - generic DSI devicetree bindings - sony acx424AKP panel - Leadtek LTK500HD1829 - xinpeng XPP055C272 - AUO B116XAK01 - GiantPlus GPM940B0 - BOE NV140FHM-N49 - Satoz SAT050AT40H12R2 - Sharp LS020B1DD01D panels. ttm: - use blocking WW lock i915: - hw/uapi state separation - Lock annotation improvements - selftest improvements - ICL/TGL DSI VDSC support - VBT parsing improvments - Display refactoring - DSI updates + fixes - HDCP 2.2 for CFL - CML PCI ID fixes - GLK+ fbc fix - PSR fixes - GEN/GT refactor improvments - DP MST fixes - switch context id alloc to xarray - workaround updates - LMEM debugfs support - tiled monitor fixes - ICL+ clock gating programming removed - DP MST disable sequence fixed - LMEM discontiguous object maps - prefaulting for discontiguous objects - use LMEM for dumb buffers if possible - add LMEM mmap support amdgpu: - enable sync object timelines for vulkan - MST atomic routines - enable MST DSC support - add DMCUB display microengine support - DC OEM i2c support - Renoir DC fixes - Initial HDCP 2.x support - BACO support for Arcturus - Use BACO for runtime PM power save - gfxoff on navi10 - gfx10 golden updates and fixes - DCN support on POWER - GFXOFF for raven1 refresh - MM engine idle handlers cleanup - 10bpc EDP panel fixes - renoir watermark fixes - SR-IOV fixes - Arcturus VCN fixes - GDDR6 training fixes - freesync fixes - Pollock support amdkfd: - unify more codepath with amdgpu - use KIQ to setup HIQ rather than MMIO radeon: - fix vma fault handler race - PPC DMA fix - register check fixes for r100/r200 nouveau: - mmap_sem vs dma_resv fix - rewrite the ACR secure boot code for Turing - TU10x graphics engine support (TU11x pending) - Page kind mapping for turing - 10-bit LUT support - GP10B Tegra fixes - HD audio regression fix hisilicon/hibmc: - use generic fbdev code and helpers rockchip: - dsi/px30 support virtio: - fb damage support - static some functions vc4: - use dma_resv lock wrappers msm: - use dma_resv lock wrappers - sc7180 display + DSI support - a618 support - UBWC support improvements vmwgfx: - updates + new logging uapi exynos: - enable/disable callback cleanups etnaviv: - use dma_resv lock wrappers atmel-hlcdc: - clock fixes mediatek: - cmdq support - non-smooth cursor fixes - ctm property support sun4i: - suspend support - A64 mipi dsi support rcar-du: - Color management module support - LVDS encoder dual-link support - R8A77980 support analogic: - add support for an6345 ast: - atomic modeset support - primary plane garbage fix arcgpu: - fixes for fourcc handling tegra: - minor fixes and improvments mcde: - vblank support meson: - OSD1 plane AFBC commit gma500: - add pageflip support - reomve global drm_dev komeda: - tweak debugfs output - d32 support - runtime PM suppotr udl: - use generic shmem helpers - cleanup and fixes" * tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm: (1998 commits) drm/nouveau/fb/gp102-: allow module to load even when scrubber binary is missing drm/nouveau/acr: return error when registering LSF if ACR not supported drm/nouveau/disp/gv100-: not all channel types support reporting error codes drm/nouveau/disp/nv50-: prevent oops when no channel method map provided drm/nouveau: support synchronous pushbuf submission drm/nouveau: signal pending fences when channel has been killed drm/nouveau: reject attempts to submit to dead channels drm/nouveau: zero vma pointer even if we only unreference it rather than free drm/nouveau: Add HD-audio component notifier support drm/nouveau: fix build error without CONFIG_IOMMU_API drm/nouveau/kms/nv04: remove set but not used variable 'width' drm/nouveau/kms/nv50: remove set but not unused variable 'nv_connector' drm/nouveau/mmu: fix comptag memory leak drm/nouveau/gr/gp10b: Use gp100_grctx and gp100_gr_zbc drm/nouveau/pmu/gm20b,gp10b: Fix Falcon bootstrapping drm/exynos: Rename Exynos to lowercase drm/exynos: change callback names drm/mst: Don't do atomic checks over disabled managers drm/amdgpu: add the lost mutex_init back drm/amd/display: skip opp blank or unblank if test pattern enabled ...
2020-01-21drm/panfrost: Add the panfrost_gem_mapping conceptBoris Brezillon
With the introduction of per-FD address space, the same BO can be mapped in different address space if the BO is globally visible (GEM_FLINK) and opened in different context or if the dmabuf is self-imported. The current implementation does not take case into account, and attaches the mapping directly to the panfrost_gem_object. Let's create a panfrost_gem_mapping struct and allow multiple mappings per BO. The mappings are refcounted which helps solve another problem where mappings were torn down (GEM handle closed by userspace) while GPU jobs accessing those BOs were still in-flight. Jobs now keep a reference on the mappings they use. v2 (robh): - Minor review comment clean-ups from Steven - Use list_is_singular helper - Just WARN if we add a mapping when madvise state is not WILLNEED. With that, drop the use of object_name_lock. v3 (robh): - Revert returning list iterator in panfrost_gem_mapping_get() Fixes: a5efb4c9a562 ("drm/panfrost: Restructure the GEM object creation") Fixes: 7282f7645d06 ("drm/panfrost: Implement per FD address spaces") Cc: <stable@vger.kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200116021554.15090-1-robh@kernel.org
2020-01-21drm/panfrost: Prefix interrupt handlers' namesEzequiel Garcia
Currently, the interrupt lines requested by Panfrost use unmeaningful names, which adds some obscurity to interrupt introspection (i.e. any tool based on procfs' interrupts file). In order to improve this, prefix each requested interrupt with the module name: panfrost-{gpu,job,mmu}. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191214045952.9452-1-ezequiel@collabora.com
2020-01-21drm/panfrost: Remove core stack power managementSteven Price
Explicit management of the GPU's core stacks is only necessary in the case of a broken integration with the PDC. Since there are no known platforms which have such a broken integration let's remove the explicit control from the driver since this apparently causes problems on other platforms and will have a small performance penality. The out of tree mali_kbase driver contains this text regarding controlling the core stack (CONFIGMALI_CORESTACK): Enabling this feature on supported GPUs will let the driver powering on/off the GPU core stack independently without involving the Power Domain Controller. This should only be enabled on platforms which integration of the PDC to the Mali GPU is known to be problematic. This feature is currently only supported on t-Six and t-HEx GPUs. If unsure, say N. Signed-off-by: Steven Price <steven.price@arm.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200109133104.11661-1-steven.price@arm.com
2019-12-18drm/scheduler: rework entity creationNirmoy Das
Entity currently keeps a copy of run_queue list and modify it in drm_sched_entity_set_priority(). Entities shouldn't modify run_queue list. Use drm_gpu_scheduler list instead of drm_sched_rq list in drm_sched_entity struct. In this way we can select a runqueue based on entity/ctx's priority for a drm scheduler. Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-12-17Merge tag 'drm-misc-next-2019-12-16' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.6: UAPI Changes: - Add support for DMA-BUF HEAPS. Cross-subsystem Changes: - mipi dsi definition updates, pulled into drm-intel as well. - Add lockdep annotations for dma_resv vs mmap_sem and fs_reclaim. - Remove support for dma-buf kmap/kunmap. - Constify fb_ops in all fbdev drivers, including drm drivers and drm-core, and media as well. Core Changes: - Small cleanups to ttm. - Fix SCDC definition. - Assorted cleanups to core. - Add todo to remove load/unload hooks, and use generic fbdev emulation. - Assorted documentation updates. - Use blocking ww lock in ttm fault handler. - Remove drm_fb_helper_fbdev_setup/teardown. - Warning fixes with W=1 for atomic. - Use drm_debug_enabled() instead of drm_debug flag testing in various drivers. - Fallback to nontiled mode in fbdev emulation when not all tiles are present. (Later on reverted) - Various kconfig indentation fixes in core and drivers. - Fix freeing transactions in dp-mst correctly. - Sean Paul is steping down as core maintainer. :-( - Add lockdep annotations for atomic locks vs dma-resv. - Prevent use-after-free for a bad job in drm_scheduler. - Fill out all block sizes in the P01x and P210 definitions. - Avoid division by zero in drm/rect, and fix bounds. - Add drm/rect selftests. - Add aspect ratio and alternate clocks for HDMI 4k modes. - Add todo for drm_framebuffer_funcs and fb_create cleanup. - Drop DRM_AUTH for prime import/export ioctls. - Clear DP-MST payload id tables downstream when initializating. - Fix for DSC throughput definition. - Add extra FEC definitions. - Fix fake offset in drm_gem_object_funs.mmap. - Stop using encoder->bridge in core directly - Handle bridge chaining slightly better. - Add backlight support to drm/panel, and use it in many panel drivers. - Increase max number of y420 modes from 128 to 256, as preparation to add the new modes. Driver Changes: - Small fixes all over. - Fix documentation in vkms. - Fix mmap_sem vs dma_resv in nouveau. - Small cleanup in komeda. - Add page flip support in gma500 for psb/cdv. - Add ddc symlink in the connector sysfs directory for many drivers. - Add support for analogic an6345, and fix small bugs in it. - Add atomic modesetting support to ast. - Fix radeon fault handler VMA race. - Switch udl to use generic shmem helpers. - Unconditional vblank handling for mcde. - Miscellaneous fixes to mcde. - Tweak debug output from komeda using debugfs. - Add gamma and color transform support to komeda for DOU-IPS. - Add support for sony acx424AKP panel. - Various small cleanups to gma500. - Use generic fbdev emulation in udl, and replace udl_framebuffer with generic implementation. - Add support for Logic PD Type 28 panel. - Use drm_panel_* wrapper functions in exynos/tegra/msm. - Add devicetree bindings for generic DSI panels. - Don't include drm_pci.h directly in many drivers. - Add support for begin/end_cpu_access in udmabuf. - Stop using drm_get_pci_dev in gma500 and mga200. - Fixes to UDL damage handling, and use dma_buf_begin/end_cpu_access. - Add devfreq thermal support to panfrost. - Fix hotplug with daisy chained monitors by removing VCPI when disabling topology manager. - meson: Add support for OSD1 plane AFBC commit. - Stop displaying garbage when toggling ast primary plane on/off. - More cleanups and fixes to UDL. - Add D32 suport to komeda. - Remove globle copy of drm_dev in gma500. - Add support for Boe Himax8279d MIPI-DSI LCD panel. - Add support for ingenic JZ4770 panel. - Small null pointer deference fix in ingenic. - Remove support for the special tfp420 driver, as there is a generic way to do it. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ba73535a-9334-5302-2e1f-5208bd7390bd@linux.intel.com
2019-12-13Merge tag 'drm-misc-next-fixes-2019-12-12' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes -mgag200: more startadd mitigation (Thomas) -panfrost: devfreq fix + several memory fixes (Steven, Boris) Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Steven Price <steven.price@arm.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Dave Airlie <airlied@redhat.com> From: Sean Paul <sean@poorly.run> Link: https://patchwork.freedesktop.org/patch/msgid/20191212140145.GA145200@art_vandelay
2019-12-06drm/panfrost: Register devfreq cooling deviceRobin Murphy
When we have devfreq, also try to register a basic cooling device in case GPU workloads manage to hit thermal throttling thresholds. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/21f228099321f460d62e0ab7c77b2d2213dd4da8.1574974319.git.robin.murphy@arm.com
2019-12-06drm/panfrost: Open/close the perfcnt BOBoris Brezillon
Commit a5efb4c9a562 ("drm/panfrost: Restructure the GEM object creation") moved the drm_mm_insert_node_generic() call to the gem->open() hook, but forgot to update perfcnt accordingly. Patch the perfcnt logic to call panfrost_gem_open/close() where appropriate. Fixes: a5efb4c9a562 ("drm/panfrost: Restructure the GEM object creation") Cc: <stable@vger.kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191129135908.2439529-6-boris.brezillon@collabora.com
2019-12-06drm/panfrost: Fix a race in panfrost_gem_free_object()Boris Brezillon
panfrost_gem_shrinker_scan() might purge a BO (release the sgt and kill the GPU mapping) that's being freed by panfrost_gem_free_object() if we don't remove the BO from the shrinker list at the beginning of panfrost_gem_free_object(). Fixes: 013b65101315 ("drm/panfrost: Add madvise and shrinker support") Cc: <stable@vger.kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191129135908.2439529-5-boris.brezillon@collabora.com
2019-12-06drm/panfrost: Fix a BO leak in panfrost_ioctl_mmap_bo()Boris Brezillon
We should release the reference we grabbed when an error occurs. Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations") Cc: <stable@vger.kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191129135908.2439529-4-boris.brezillon@collabora.com
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