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2023-10-26drm/sched: Convert the GPU scheduler to variable number of run-queuesLuben Tuikov1-1/+3
The GPU scheduler has now a variable number of run-queues, which are set up at drm_sched_init() time. This way, each driver announces how many run-queues it requires (supports) per each GPU scheduler it creates. Note, that run-queues correspond to scheduler "priorities", thus if the number of run-queues is set to 1 at drm_sched_init(), then that scheduler supports a single run-queue, i.e. single "priority". If a driver further sets a single entity per run-queue, then this creates a 1-to-1 correspondence between a scheduler and a scheduled entity. Cc: Lucas Stach <[email protected]> Cc: Russell King <[email protected]> Cc: Qiang Yu <[email protected]> Cc: Rob Clark <[email protected]> Cc: Abhinav Kumar <[email protected]> Cc: Dmitry Baryshkov <[email protected]> Cc: Danilo Krummrich <[email protected]> Cc: Matthew Brost <[email protected]> Cc: Boris Brezillon <[email protected]> Cc: Alex Deucher <[email protected]> Cc: Christian König <[email protected]> Cc: Emma Anholt <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Signed-off-by: Luben Tuikov <[email protected]> Acked-by: Christian König <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2023-07-21drm: Explicitly include correct DT includesRob Herring1-1/+2
The DT of_device.h and of_platform.h date back to the separate of_platform_bus_type before it as merged into the regular platform bus. As part of that merge prepping Arm DT support 13 years ago, they "temporarily" include each other. They also include platform_device.h and of.h. As a result, there's a pretty much random mix of those include files used throughout the tree. In order to detangle these headers and replace the implicit includes with struct declarations, users need to explicitly include the correct includes. Signed-off-by: Rob Herring <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Reviewed-by: Steven Price <[email protected]> Acked-by: Liviu Dudau <[email protected]> Reviewed-by: Kieran Bingham <[email protected]> Acked-by: Robert Foss <[email protected]> Signed-off-by: Thierry Reding <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-06-26drm: Clear fd/handle callbacks in struct drm_driverThomas Zimmermann1-2/+0
Clear all assignments of struct drm_driver's fd/handle callbacks to drm_gem_prime_fd_to_handle() and drm_gem_prime_handle_to_fd(). These functions are called by default. Add a TODO item to convert vmwgfx to the defaults as well. v2: * remove TODO item (Zack) * also update amdgpu's amdgpu_partition_driver Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Simon Ser <[email protected]> Acked-by: Alex Deucher <[email protected]> Acked-by: Jeffrey Hugo <[email protected]> # qaic Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-06-21drm/shmem-helper: Switch to reservation lockDmitry Osipenko1-4/+4
Replace all drm-shmem locks with a GEM reservation lock. This makes locks consistent with dma-buf locking convention where importers are responsible for holding reservation lock for all operations performed over dma-bufs, preventing deadlock between dma-buf importers and exporters. Suggested-by: Daniel Vetter <[email protected]> Acked-by: Thomas Zimmermann <[email protected]> Reviewed-by: Emil Velikov <[email protected]> Signed-off-by: Dmitry Osipenko <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-06-19Merge drm/drm-next into drm-misc-nextThomas Zimmermann1-1/+1
Backmerging into drm-misc-next to get commit 2c1c7ba457d4 ("drm/amdgpu: support partition drm devices"), which is required to fix commit 0adec22702d4 ("drm: Remove struct drm_driver.gem_prime_mmap"). Signed-off-by: Thomas Zimmermann <[email protected]>
2023-06-19drm: Remove struct drm_driver.gem_prime_mmapThomas Zimmermann1-1/+0
All drivers initialize this field with drm_gem_prime_mmap(). Call the function directly and remove the field. Simplifies the code and resolves a long-standing TODO item. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-06-08drm/lima: Convert to platform remove callback returning voidUwe Kleine-König1-3/+2
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is (mostly) ignored and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Douglas Anderson <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-06-07drm/lima: fix sched context destroyErico Nunes1-1/+1
The drm sched entity must be flushed before finishing, to account for jobs potentially still in flight at that time. Lima did not do this flush until now, so switch the destroy call to the drm_sched_entity_destroy() wrapper which will take care of that. This fixes a regression on lima which started since the rework in commit 2fdb8a8f07c2 ("drm/scheduler: rework entity flush, kill and fini") where some specific types of applications may hang indefinitely. Fixes: 2fdb8a8f07c2 ("drm/scheduler: rework entity flush, kill and fini") Reviewed-by: Vasily Khoruzhick <[email protected]> Signed-off-by: Erico Nunes <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-04-05Revert "drm/lima: add usage counting method to ctx_mgr"Qiang Yu2-32/+1
This reverts commit bccafec957a5c4b22ac29e53a39e82d0a0008348. This is due to the depend commit has been reverted on upstream: commit baad10973fdb ("Revert "drm/scheduler: track GPU active time per entity"") Acked-by: Emil Velikov <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-04-05Revert "drm/lima: allocate unique id per drm_file"Qiang Yu3-16/+0
This reverts commit 87767de835edf527b879a363d518c33da68adb81. This is due to the depend commit has been reverted on upstream: commit baad10973fdb ("Revert "drm/scheduler: track GPU active time per entity"") Acked-by: Emil Velikov <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-04-05Revert "drm/lima: add show_fdinfo for drm usage stats"Qiang Yu1-30/+1
This reverts commit 4a66f3da99dcb4dcbd28544110636b50adfb0f0d. This is due to the depend commit has been reverted on upstream: commit baad10973fdb ("Revert "drm/scheduler: track GPU active time per entity"") Acked-by: Emil Velikov <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-04-02drm/lima: add show_fdinfo for drm usage statsErico Nunes1-1/+30
This exposes an accumulated active time per client via the fdinfo infrastructure per execution engine, following Documentation/gpu/drm-usage-stats.rst. In lima, the exposed execution engines are gp and pp. Signed-off-by: Erico Nunes <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-04-02drm/lima: allocate unique id per drm_fileErico Nunes3-0/+16
To track if fds are pointing to the same execution context and export the expected information to fdinfo, similar to what is done in other drivers. Signed-off-by: Erico Nunes <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-04-02drm/lima: add usage counting method to ctx_mgrErico Nunes2-1/+32
lima maintains a context manager per drm_file, similar to amdgpu. In order to account for the complete usage per drm_file, all of the associated contexts need to be considered. Previously released contexts also need to be accounted for but their drm_sched_entity info is gone once they get released, so account for it in the ctx_mgr. Signed-off-by: Erico Nunes <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-04-02drm/lima/lima_drv: Add missing unwind goto in lima_pdev_probe()Harshit Mogalapalli1-2/+4
Smatch reports: drivers/gpu/drm/lima/lima_drv.c:396 lima_pdev_probe() warn: missing unwind goto? Store return value in err and goto 'err_out0' which has lima_sched_slab_fini() before returning. Fixes: a1d2a6339961 ("drm/lima: driver for ARM Mali4xx GPUs") Signed-off-by: Harshit Mogalapalli <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-03-21drm/lima: Use drm_sched_job_add_syncobj_dependency()Maíra Canal1-10/+2
As lima_gem_add_deps() performs the same steps as drm_sched_job_add_syncobj_dependency(), replace the open-coded implementation in Lima in order to simply use the DRM function. Signed-off-by: Maíra Canal <[email protected]> Reviewed-by: Qiang Yu <[email protected]> Signed-off-by: Maíra Canal <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-02-28Revert "drm/shmem-helper: Switch to reservation lock"Thomas Zimmermann1-4/+4
This reverts commit 67b7836d4458790f1261e31fe0ce3250989784f0. The locking appears incomplete. A caller of SHMEM helper's pin function never acquires the dma-buf reservation lock. So we get WARNING: CPU: 3 PID: 967 at drivers/gpu/drm/drm_gem_shmem_helper.c:243 drm_gem_shmem_pin+0x42/0x90 [drm_shmem_helper] Signed-off-by: Thomas Zimmermann <[email protected]> Acked-by: Dmitry Osipenko <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2023-02-27drm/shmem-helper: Switch to reservation lockDmitry Osipenko1-4/+4
Replace all drm-shmem locks with a GEM reservation lock. This makes locks consistent with dma-buf locking convention where importers are responsible for holding reservation lock for all operations performed over dma-bufs, preventing deadlock between dma-buf importers and exporters. Suggested-by: Daniel Vetter <[email protected]> Acked-by: Thomas Zimmermann <[email protected]> Signed-off-by: Dmitry Osipenko <[email protected]> Link: https://lore.kernel.org/all/[email protected]/
2022-11-24Backmerge tag 'v6.1-rc6' into drm-nextDave Airlie1-6/+9
Linux 6.1-rc6 This is needed for drm-misc-next and tegra. Signed-off-by: Dave Airlie <[email protected]>
2022-11-14drm/lima: Fix opp clkname setting in case of missing regulatorErico Nunes1-6/+9
Commit d8c32d3971e4 ("drm/lima: Migrate to dev_pm_opp_set_config()") introduced a regression as it may undo the clk_names setting in case the optional regulator is missing. This resulted in test and performance regressions with lima. Restore the old behavior where clk_names is set separately so it is not undone in case of a missing optional regulator. Fixes: d8c32d3971e4 ("drm/lima: Migrate to dev_pm_opp_set_config()") Acked-by: Viresh Kumar <[email protected]> Signed-off-by: Erico Nunes <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-10-18drm/gem: Take reservation lock for vmap/vunmap operationsDmitry Osipenko1-2/+2
The new common dma-buf locking convention will require buffer importers to hold the reservation lock around mapping operations. Make DRM GEM core to take the lock around the vmapping operations and update DRM drivers to use the locked functions for the case where DRM core now holds the lock. This patch prepares DRM core and drivers to the common dynamic dma-buf locking convention. Acked-by: Christian König <[email protected]> Signed-off-by: Dmitry Osipenko <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-07-08drm/lima: Migrate to dev_pm_opp_set_config()Viresh Kumar1-5/+6
The OPP core now provides a unified API for setting all configuration types, i.e. dev_pm_opp_set_config(). Lets start using it. Signed-off-by: Viresh Kumar <[email protected]>
2022-07-08OPP: Make dev_pm_opp_set_regulators() accept NULL terminated listViresh Kumar1-1/+2
Make dev_pm_opp_set_regulators() accept a NULL terminated list of names instead of making the callers keep the two parameters in sync, which creates an opportunity for bugs to get in. Suggested-by: Greg Kroah-Hartman <[email protected]> Reviewed-by: Steven Price <[email protected]> # panfrost Reviewed-by: Chanwoo Choi <[email protected]> Signed-off-by: Viresh Kumar <[email protected]>
2022-04-07dma-buf: specify usage while adding fences to dma_resv obj v7Christian König1-4/+3
Instead of distingting between shared and exclusive fences specify the fence usage while adding fences. Rework all drivers to use this interface instead and deprecate the old one. v2: some kerneldoc comments suggested by Daniel v3: fix a missing case in radeon v4: rebase on nouveau changes, fix lockdep and temporary disable warning v5: more documentation updates v6: separate internal dma_resv changes from this patch, avoids to disable warning temporary, rebase on upstream changes v7: fix missed case in lima driver, minimize changes to i915_gem_busy_ioctl Signed-off-by: Christian König <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-04-06dma-buf/drivers: make reserving a shared slot mandatory v4Christian König1-6/+4
Audit all the users of dma_resv_add_excl_fence() and make sure they reserve a shared slot also when only trying to add an exclusive fence. This is the next step towards handling the exclusive fence like a shared one. v2: fix missed case in amdgpu v3: and two more radeon, rename function v4: add one more case to TTM, fix i915 after rebase Signed-off-by: Christian König <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-02-25Merge tag 'drm-misc-next-2022-02-23' of ↵Dave Airlie2-2/+4
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.18: UAPI Changes: Cross-subsystem Changes: - Split out panel-lvds and lvds dt bindings . - Put yes/no on/off disabled/enabled strings in linux/string_helpers.h and use it in drivers and tomoyo. - Clarify dma_fence_chain and dma_fence_array should never include eachother. - Flatten chains in syncobj's. - Don't double add in fbdev/defio when page is already enlisted. - Don't sort deferred-I/O pages by default in fbdev. Core Changes: - Fix missing pm_runtime_put_sync in bridge. - Set modifier support to only linear fb modifier if drivers don't advertise support. - As a result, we remove allow_fb_modifiers. - Add missing clear for EDID Deep Color Modes in drm_reset_display_info. - Assorted documentation updates. - Warn once in drm_clflush if there is no arch support. - Add missing select for dp helper in drm_panel_edp. - Assorted small fixes. - Improve fb-helper's clipping handling. - Don't dump shmem mmaps in a core dump. - Add accounting to ttm resource manager, and use it in amdgpu. - Allow querying the detected eDP panel through debugfs. - Add helpers for xrgb8888 to 8 and 1 bits gray. - Improve drm's buddy allocator. - Add selftests for the buddy allocator. Driver Changes: - Add support for nomodeset to a lot of drm drivers. - Use drm_module_*_driver in a lot of drm drivers. - Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau, bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86. - Add bridge/it6505. - Create DP and DVI-I connectors in ast. - Assorted nouveau backlight fixes. - Rework amdgpu reset handling. - Add dt bindings for ingenic,jz4780-dw-hdmi. - Support reading edid through aux channel in ingenic. - Add a drm driver for Solomon SSD130x OLED displays. - Add simple support for sharp LQ140M1JW46. - Add more panels to nt35560. Signed-off-by: Dave Airlie <[email protected]> From: Maarten Lankhorst <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-02-23drm/sched: Add device pointer to drm_gpu_schedulerJiawei Gu1-1/+1
Add device pointer so scheduler's printing can use DRM_DEV_ERROR() instead, which makes life easier under multiple GPU scenario. v2: amend all calls of drm_sched_init() v3: fill dev pointer for all drm_sched_init() calls Signed-off-by: Jiawei Gu <[email protected]> Reviewed-by: Andrey Grodzovsky <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Christian König <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-02-14drm/gem-shmem: Set vm_ops in static initializerThomas Zimmermann1-0/+1
Initialize default vm_ops in static initialization of the GEM SHMEM funcs, instead of the mmap code. It's simply better style. GEM helpers will later set a VMA's vm_ops from the default automatically. v2: * also update the drivers that build upon GEM SHMEM Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Steven Price <[email protected]> Reviewed-by: Chia-I Wu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-02-12drm/lima: avoid error task dump attempt when not enabledErico Nunes1-1/+2
Currently when users try to run an application with lima and that hits an issue such as a timeout, a message saying "fail to save task state" and "error task list is full" is shown in dmesg. The error task dump is a debug feature disabled by default, so the error task list is usually not going to be available at all. The message can be misleading and creates confusion in bug reports. We can avoid that code path and that particular message when the user has not explicitly set the max_error_tasks parameter to enable the feature. Signed-off-by: Erico Nunes <[email protected]> Reviewed-by: Qiang Yu <[email protected]> Reviewed-by: Javier Martinez Canillas <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2022-02-07dma-buf-map: Rename to iosys-mapLucas De Marchi2-3/+4
Rename struct dma_buf_map to struct iosys_map and corresponding APIs. Over time dma-buf-map grew up to more functionality than the one used by dma-buf: in fact it's just a shim layer to abstract system memory, that can be accessed via regular load and store, from IO memory that needs to be acessed via arch helpers. The idea is to extend this API so it can fulfill other needs, internal to a single driver. Example: in the i915 driver it's desired to share the implementation for integrated graphics, which uses mostly system memory, with discrete graphics, which may need to access IO memory. The conversion was mostly done with the following semantic patch: @r1@ @@ - struct dma_buf_map + struct iosys_map @r2@ @@ ( - DMA_BUF_MAP_INIT_VADDR + IOSYS_MAP_INIT_VADDR | - dma_buf_map_set_vaddr + iosys_map_set_vaddr | - dma_buf_map_set_vaddr_iomem + iosys_map_set_vaddr_iomem | - dma_buf_map_is_equal + iosys_map_is_equal | - dma_buf_map_is_null + iosys_map_is_null | - dma_buf_map_is_set + iosys_map_is_set | - dma_buf_map_clear + iosys_map_clear | - dma_buf_map_memcpy_to + iosys_map_memcpy_to | - dma_buf_map_incr + iosys_map_incr ) @@ @@ - #include <linux/dma-buf-map.h> + #include <linux/iosys-map.h> Then some files had their includes adjusted and some comments were update to remove mentions to dma-buf-map. Since this is not specific to dma-buf anymore, move the documentation to the "Bus-Independent Device Accesses" section. v2: - Squash patches v3: - Fix wrong removal of dma-buf.h from MAINTAINERS - Move documentation from dma-buf.rst to device-io.rst v4: - Change documentation title and level Signed-off-by: Lucas De Marchi <[email protected]> Acked-by: Christian König <[email protected]> Acked-by: Sumit Semwal <[email protected]> Acked-by: Thomas Zimmermann <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-12-14Merge v5.16-rc5 into drm-nextDaniel Vetter1-0/+1
Thomas Zimmermann requested a fixes backmerge, specifically also for 96c5f82ef0a1 ("drm/vc4: fix error code in vc4_create_object()") Just a bunch of adjacent changes conflicts, even the big pile of them in vc4. Signed-off-by: Daniel Vetter <[email protected]>
2021-12-03treewide: Add missing includes masked by cgroup -> bpf dependencyJakub Kicinski1-0/+1
cgroup.h (therefore swap.h, therefore half of the universe) includes bpf.h which in turn includes module.h and slab.h. Since we're about to get rid of that dependency we need to clean things up. v2: drop the cpu.h include from cacheinfo.h, it's not necessary and it makes riscv sensitive to ordering of include files. Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Acked-by: Krzysztof Wilczyński <[email protected]> Acked-by: Peter Chen <[email protected]> Acked-by: SeongJae Park <[email protected]> Acked-by: Jani Nikula <[email protected]> Acked-by: Greg Kroah-Hartman <[email protected]> Link: https://lore.kernel.org/all/[email protected]/ # v1 Link: https://lore.kernel.org/all/[email protected]/ # cacheinfo discussion Link: https://lore.kernel.org/bpf/[email protected]
2021-12-02drm: Return error codes from struct drm_driver.gem_create_objectThomas Zimmermann1-1/+1
GEM helper libraries use struct drm_driver.gem_create_object to let drivers override GEM object allocation. On failure, the call returns NULL. Change the semantics to make the calls return a pointer-encoded error. This aligns the callback with its callers. Fixes the ingenic driver, which already returns an error pointer. Also update the callers to handle the involved types more strictly. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Steven Price <[email protected]> Acked-by: Maxime Ripard <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-11-15drm/shmem-helper: Pass GEM shmem object in public interfacesThomas Zimmermann2-7/+7
Change all GEM SHMEM object functions that receive a GEM object of type struct drm_gem_object to expect an object of type struct drm_gem_shmem_object instead. This change reduces the number of upcasts from struct drm_gem_object by moving them into callers. The C compiler can now verify that the GEM SHMEM functions are called with the correct type. For consistency, the patch also renames drm_gem_shmem_free_object to drm_gem_shmem_free. It further updates documentation for a number of functions. v3: * fix docs for drm_gem_shmem_object_free() v2: * mention _object_ callbacks in docs (Daniel) Signed-off-by: Thomas Zimmermann <[email protected]> Acked-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-11-15drm/shmem-helper: Export dedicated wrappers for GEM object functionsThomas Zimmermann1-4/+4
Wrap GEM SHMEM functions for struct drm_gem_object_funcs and update all callers. This will allow for an update of the public interfaces of the GEM SHMEM helper library. v2: * fix docs for drm_gem_shmem_object_print_info() Signed-off-by: Thomas Zimmermann <[email protected]> Acked-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-11-06drm/lima: fix warning when CONFIG_DEBUG_SG=y & CONFIG_DMA_API_DEBUG=yQiang Yu1-0/+1
Otherwise get following warning: DMA-API: lima 1c40000.gpu: mapping sg segment longer than device claims to support [len=4149248] [max=65536] See: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5496 Reviewed-by: Vasily Khoruzhick <[email protected]> Reported-by: Roman Stratiienko <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-30drm/lima: use scheduler dependency trackingDaniel Vetter3-26/+4
Nothing special going on here. Aside reviewing the code, it seems like drm_sched_job_arm() should be moved into lima_sched_context_queue_task and put under some mutex together with drm_sched_push_job(). See the kerneldoc for drm_sched_push_job(). v2: Rebase over renamed functions to add dependencies. Reviewed-by: Qiang Yu <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Cc: Qiang Yu <[email protected]> Cc: Sumit Semwal <[email protected]> Cc: "Christian König" <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-30drm/sched: drop entity parameter from drm_sched_push_jobDaniel Vetter3-7/+4
Originally a job was only bound to the queue when we pushed this, but now that's done in drm_sched_job_init, making that parameter entirely redundant. Remove it. The same applies to the context parameter in lima_sched_context_queue_task, simplify that too. v2: Rebase on top of msm adopting drm/sched Reviewed-by: Christian König <[email protected]> Acked-by: Emma Anholt <[email protected]> Acked-by: Melissa Wen <[email protected]> Reviewed-by: Steven Price <[email protected]> (v1) Reviewed-by: Boris Brezillon <[email protected]> (v1) Signed-off-by: Daniel Vetter <[email protected]> Cc: Lucas Stach <[email protected]> Cc: Russell King <[email protected]> Cc: Christian Gmeiner <[email protected]> Cc: Qiang Yu <[email protected]> Cc: Rob Herring <[email protected]> Cc: Tomeu Vizoso <[email protected]> Cc: Steven Price <[email protected]> Cc: Alyssa Rosenzweig <[email protected]> Cc: Emma Anholt <[email protected]> Cc: David Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Sumit Semwal <[email protected]> Cc: "Christian König" <[email protected]> Cc: Alex Deucher <[email protected]> Cc: Nirmoy Das <[email protected]> Cc: Dave Airlie <[email protected]> Cc: Chen Li <[email protected]> Cc: Lee Jones <[email protected]> Cc: Deepak R Varma <[email protected]> Cc: Kevin Wang <[email protected]> Cc: Luben Tuikov <[email protected]> Cc: "Marek Olšák" <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Andrey Grodzovsky <[email protected]> Cc: Dennis Li <[email protected]> Cc: Boris Brezillon <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: Rob Clark <[email protected]> Cc: Sean Paul <[email protected]> Cc: Melissa Wen <[email protected]> Cc: [email protected] Cc: [email protected] Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-08-30drm/sched: Split drm_sched_job_initDaniel Vetter1-0/+2
This is a very confusingly named function, because not just does it init an object, it arms it and provides a point of no return for pushing a job into the scheduler. It would be nice if that's a bit clearer in the interface. But the real reason is that I want to push the dependency tracking helpers into the scheduler code, and that means drm_sched_job_init must be called a lot earlier, without arming the job. v2: - don't change .gitignore (Steven) - don't forget v3d (Emma) v3: Emma noticed that I leak the memory allocated in drm_sched_job_init if we bail out before the point of no return in subsequent driver patches. To be able to fix this change drm_sched_job_cleanup() so it can handle being called both before and after drm_sched_job_arm(). Also improve the kerneldoc for this. v4: - Fix the drm_sched_job_cleanup logic, I inverted the booleans, as usual (Melissa) - Christian pointed out that drm_sched_entity_select_rq() also needs to be moved into drm_sched_job_arm, which made me realize that the job->id definitely needs to be moved too. Shuffle things to fit between job_init and job_arm. v5: Reshuffle the split between init/arm once more, amdgpu abuses drm_sched.ready to signal gpu reset failures. Also document this somewhat. (Christian) v6: Rebase on top of the msm drm/sched support. Note that the drm_sched_job_init() call is completely misplaced, and hence also the split-out drm_sched_entity_push_job(). I've put in a FIXME which the next patch will address. v7: Drop the FIXME in msm, after discussions with Rob I agree it shouldn't be a problem where it is now. Acked-by: Christian König <[email protected]> Acked-by: Melissa Wen <[email protected]> Cc: Melissa Wen <[email protected]> Acked-by: Emma Anholt <[email protected]> Acked-by: Steven Price <[email protected]> (v2) Reviewed-by: Boris Brezillon <[email protected]> (v5) Signed-off-by: Daniel Vetter <[email protected]> Cc: Lucas Stach <[email protected]> Cc: Russell King <[email protected]> Cc: Christian Gmeiner <[email protected]> Cc: Qiang Yu <[email protected]> Cc: Rob Herring <[email protected]> Cc: Tomeu Vizoso <[email protected]> Cc: Steven Price <[email protected]> Cc: Alyssa Rosenzweig <[email protected]> Cc: David Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Sumit Semwal <[email protected]> Cc: "Christian König" <[email protected]> Cc: Masahiro Yamada <[email protected]> Cc: Kees Cook <[email protected]> Cc: Adam Borowski <[email protected]> Cc: Nick Terrell <[email protected]> Cc: Mauro Carvalho Chehab <[email protected]> Cc: Paul Menzel <[email protected]> Cc: Sami Tolvanen <[email protected]> Cc: Viresh Kumar <[email protected]> Cc: Alex Deucher <[email protected]> Cc: Dave Airlie <[email protected]> Cc: Nirmoy Das <[email protected]> Cc: Deepak R Varma <[email protected]> Cc: Lee Jones <[email protected]> Cc: Kevin Wang <[email protected]> Cc: Chen Li <[email protected]> Cc: Luben Tuikov <[email protected]> Cc: "Marek Olšák" <[email protected]> Cc: Dennis Li <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: Andrey Grodzovsky <[email protected]> Cc: Sonny Jiang <[email protected]> Cc: Boris Brezillon <[email protected]> Cc: Tian Tao <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: Emma Anholt <[email protected]> Cc: Rob Clark <[email protected]> Cc: Sean Paul <[email protected]> Cc: [email protected] Cc: [email protected] Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-21Merge tag 'drm-misc-next-2021-07-16' of ↵Dave Airlie1-1/+2
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.15: UAPI Changes: Cross-subsystem Changes: - udmabuf: Add support for mapping hugepages - Add dma-buf stats to sysfs. - Assorted fixes to fbdev/omap2. - dma-buf: Document DMA_BUF_IOCTL_SYNC - Improve dma-buf non-dynamic exporter expectations better. - Add module parameters for dma-buf size and list limit. - Add HDMI codec support to vc4, to replace vc4's own codec. - Document dma-buf implicit fencing rules. - dma_resv_test_signaled test_all handling. Core Changes: - Extract i915's eDP backlight code into DRM helpers. - Assorted docbook updates. - Rework drm_dp_aux documentation. - Add support for the DP aux bus. - Shrink dma-fence-chain slightly. - Add alloc/free helpers for dma-fence-chain. - Assorted fixes to TTM., drm/of, bridge - drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers. - Small fix for scheduler completion. - Remove use of drm_device.irq_enabled. - Print the driver name to dmesg when registering framebuffer. - Export drm/gem's shadow plane handling, and use it in vkms. - Assorted small fixes. Driver Changes: - Add eDP backlight to nouveau. - Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625, amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm. - Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU, EDT ETM0350G0DH6, Innolux EJ030NA panels. - Fix some simple pannels missing bus_format and connector types. - Add mks-guest-stats instrumentation support to vmwgfx. - Merge i915-ttm topic branch. - Make s6e63m0 panel use Mipi-DBI helpers. - Add detect() supoprt for AST. - Use interrupts for hotplug on vc4. - vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now. - vmwgfx now uses copies of vmware's internal device headers. - Slowly convert ti-sn65dsi83 over to atomic. - Rework amdgpu dma-resv handling. - Fix virtio fencing for planes. - Ensure amdgpu can always evict to SYSTEM. - Many drivers fixed for implicit fencing rules. - Set default prepare/cleanup fb for tiny, vram and simple helpers too. - Rework panfrost gpu reset and related serialization. - Update VKMS todo list. - Make bochs a tiny gpu driver, and use vram helper. - Use linux irq interfaces instead of drm_irq in some drivers. - Add support for Raspberry Pi Pico to GUD. Signed-off-by: Dave Airlie <[email protected]> # gpg: Signature made Fri 16 Jul 2021 21:06:04 AEST # gpg: using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3 # gpg: Good signature from "Maarten Lankhorst <[email protected]>" [expired] # gpg: aka "Maarten Lankhorst <[email protected]>" [expired] # gpg: aka "Maarten Lankhorst <[email protected]>" [expired] # gpg: Note: This key has expired! # Primary key fingerprint: B97B D6A8 0CAC 4981 091A E547 FE55 8C72 A670 13C3 From: Maarten Lankhorst <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-07-01drm/sched: Allow using a dedicated workqueue for the timeout/fault tdrBoris Brezillon1-1/+2
Mali Midgard/Bifrost GPUs have 3 hardware queues but only a global GPU reset. This leads to extra complexity when we need to synchronize timeout works with the reset work. One solution to address that is to have an ordered workqueue at the driver level that will be used by the different schedulers to queue their timeout work. Thanks to the serialization provided by the ordered workqueue we are guaranteed that timeout handlers are executed sequentially, and can thus easily reset the GPU from the timeout handler without extra synchronization. v5: * Add a new paragraph to the timedout_job() method v3: * New patch v4: * Actually use the timeout_wq to queue the timeout work Suggested-by: Daniel Vetter <[email protected]> Signed-off-by: Boris Brezillon <[email protected]> Reviewed-by: Steven Price <[email protected]> Reviewed-by: Lucas Stach <[email protected]> Acked-by: Daniel Vetter <[email protected]> Acked-by: Christian König <[email protected]> Cc: Qiang Yu <[email protected]> Cc: Emma Anholt <[email protected]> Cc: Alex Deucher <[email protected]> Cc: "Christian König" <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-06-30treewide: Add missing semicolons to __assign_str usesJoe Perches1-1/+1
The __assign_str macro has an unusual ending semicolon but the vast majority of uses of the macro already have semicolon termination. $ git grep -P '\b__assign_str\b' | wc -l 551 $ git grep -P '\b__assign_str\b.*;' | wc -l 480 Add semicolons to the __assign_str() uses without semicolon termination and all the other uses without semicolon termination via additional defines that are equivalent to __assign_str() with the eventual goal of removing the semicolon from the __assign_str() macro definition. Link: https://lore.kernel.org/lkml/[email protected]/ Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Joe Perches <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]>
2021-04-28Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drmLinus Torvalds3-3/+16
Pull drm updates from Dave Airlie: "The usual lots of work all over the place. i915 has gotten some Alderlake work and prelim DG1 code, along with a major locking rework over the GEM code, and brings back the property of timing out long running jobs using a watchdog. amdgpu has some Alderbran support (new GPU), freesync HDMI support along with a lot other fixes. Outside of the drm, there is a new printf specifier added which should have all the correct acks/sobs: - printk fourcc modifier support added %p4cc Summary: core: - drm_crtc_commit_wait - atomic plane state helpers reworked for full state - dma-buf heaps API rework - edid: rework and improvements for displayid dp-mst: - better topology logging bridge: - Chipone ICN6211 - Lontium LT8912B - anx7625 regulator support panel: - fix lt9611 4k panels handling simple-kms: - add plane state helpers ttm: - debugfs support - removal of unused sysfs - ignore signaled moved fences - ioremap buffer according to mem caching i915: - Alderlake S enablement - Conversion to dma_resv_locking - Bring back watchdog timeout support - legacy ioctl cleanups - add GEM TDDO and RFC process - DG1 LMEM preparation work - intel_display.c refactoring - Gen9/TGL PCH combination support - eDP MSO Support - multiple PSR instance support - Link training debug updates - Disable PSR2 support on JSL/EHL - DDR5/LPDDR5 support for bw calcs - LSPCON limited to gen9/10 platforms - HSW/BDW async flip/VTd corruption workaround - SAGV watermark fixes - SNB hard hang on ring resume fix - Limit imported dma-buf size - move to use new tasklet API - refactor KBL/TGL/ADL-S display/gt steppings - refactoring legacy DP/HDMI, FB plane code out amdgpu: - uapi: add ioctl to query video capabilities - Iniital AMD Freesync HDMI support - Initial Adebaran support - 10bpc dithering improvements - DCN secure display support - Drop legacy IO BAR requirements - PCIE/S0ix/RAS/Prime/Reset fixes - Display ASSR support - SMU gfx busy queues for RV/PCO - Initial LTTPR display work amdkfd: - MMU notifier fixes - APU fixes radeon: - debugfs cleanps - fw error handling ifix - Flexible array cleanups msm: - big DSI phy/pll cleanup - sc7280 initial support - commong bandwidth scaling path - shrinker locking contention fixes - unpin/swap support for GEM objcets ast: - cursor plane handling reworked tegra: - don't register DP AUX channels before connectors zynqmp: - fix OOB struct padding memset gma500: - drop ttm and medfield support exynos: - request_irq cleanup function mediatek: - fine tune line time for EOTp - MT8192 dpi support - atomic crtc config updates - don't support HDMI connector creation mxsdb: - imx8mm support panfrost: - MMU IRQ handling rework qxl: - locking fixes - resource deallocation changes sun4i: - add alpha properties to UI/VI layers vc4: - RPi4 CEC support vmwgfx: - doc cleanups arc: - moved to drm/tiny" * tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm: (1390 commits) drm/ttm: Don't count pages in SG BOs against pages_limit drm/ttm: fix return value check drm/bridge: lt8912b: fix incorrect handling of of_* return values drm: bridge: fix LONTIUM use of mipi_dsi_() functions drm: bridge: fix ANX7625 use of mipi_dsi_() functions drm/amdgpu: page retire over debugfs mechanism drm/radeon: Fix a missing check bug in radeon_dp_mst_detect() drm/amd/display: Fix the Wunused-function warning drm/radeon/r600: Fix variables that are not used after assignment drm/amdgpu/smu7: fix CAC setting on TOPAZ drm/amd/display: Update DCN302 SR Exit Latency drm/amdgpu: enable ras eeprom on aldebaran drm/amdgpu: RAS harvest on driver load drm/amdgpu: add ras aldebaran ras eeprom driver drm/amd/pm: increase time out value when sending msg to SMU drm/amdgpu: add DMUB outbox event IRQ source define/complete/debug flag drm/amd/pm: add the callback to get vbios bootup values for vangogh drm/radeon: Fix size overflow drm/amdgpu: Fix size overflow drm/amdgpu: move mmhub ras_func init to ip specific file ...
2021-03-16drm/lima: Convert to use resource-managed OPP APIYangtao Li2-39/+11
Use resource-managed OPP API to simplify code. Signed-off-by: Yangtao Li <[email protected]> Signed-off-by: Dmitry Osipenko <[email protected]> Signed-off-by: Viresh Kumar <[email protected]>
2021-02-10Revert "drm/scheduler: Job timeout handler returns status (v3)"Maarten Lankhorst1-3/+1
This reverts commit c10983e14e8f5d7c8dab0415e0cb7fe8d10aa9e3. This commit is not meant for drm-misc-next-fixes, and was accidentally cherry picked over. Signed-off-by: Maarten Lankhorst <[email protected]>
2021-02-09drm/lima: fix reference leak in lima_pm_busyQinglang Miao1-1/+1
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in a reference leak here. A new function pm_runtime_resume_and_get is introduced in [0] to keep usage counter balanced. So We fix the reference leak by replacing it with new function. [0] commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter") Fixes: 50de2e9ebbc0 ("drm/lima: enable runtime pm") Reported-by: Hulk Robot <[email protected]> Signed-off-by: Qinglang Miao <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit de499781c97d96703af8a32d2b5e37fdb5b51568) Signed-off-by: Maarten Lankhorst <[email protected]>
2021-02-09drm/scheduler: Job timeout handler returns status (v3)Luben Tuikov1-1/+3
This patch does not change current behaviour. The driver's job timeout handler now returns status indicating back to the DRM layer whether the device (GPU) is no longer available, such as after it's been unplugged, or whether all is normal, i.e. current behaviour. All drivers which make use of the drm_sched_backend_ops' .timedout_job() callback have been accordingly renamed and return the would've-been default value of DRM_GPU_SCHED_STAT_NOMINAL to restart the task's timeout timer--this is the old behaviour, and is preserved by this patch. v2: Use enum as the status of a driver's job timeout callback method. v3: Return scheduler/device information, rather than task information. Cc: Alexander Deucher <[email protected]> Cc: Andrey Grodzovsky <[email protected]> Cc: Christian König <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Lucas Stach <[email protected]> Cc: Russell King <[email protected]> Cc: Christian Gmeiner <[email protected]> Cc: Qiang Yu <[email protected]> Cc: Rob Herring <[email protected]> Cc: Tomeu Vizoso <[email protected]> Cc: Steven Price <[email protected]> Cc: Alyssa Rosenzweig <[email protected]> Cc: Eric Anholt <[email protected]> Reported-by: kernel test robot <[email protected]> Signed-off-by: Luben Tuikov <[email protected]> Acked-by: Alyssa Rosenzweig <[email protected]> Acked-by: Christian König <[email protected]> Acked-by: Steven Price <[email protected]> Signed-off-by: Christian König <[email protected]> Link: https://patchwork.freedesktop.org/patch/415095/ (cherry picked from commit a6a1f036c74e3d2a3a56b3140492c7c3ecb879f3) Signed-off-by: Maarten Lankhorst <[email protected]>
2021-02-07drm/lima: add governor data with pre-defined thresholdsChristian Hewitt2-1/+11
This patch adapts the panfrost pre-defined thresholds change [0] to the lima driver to improve real-world performance. The upthreshold value has been set to ramp GPU frequency to max freq faster (compared to panfrost) to compensate for the lower overall performance of utgard devices. [0] https://patchwork.kernel.org/project/dri-devel/patch/[email protected]/ Signed-off-by: Christian Hewitt <[email protected]> Reviewed-by: Lukasz Luba <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-02-07drm/lima: Use delayed timer as default in devfreq profileLukasz Luba1-0/+1
Devfreq framework supports 2 modes for monitoring devices. Use delayed timer as default instead of deferrable timer in order to monitor the GPU status regardless of CPU idle. Signed-off-by: Lukasz Luba <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2021-02-05drm/scheduler: provide scheduler score externallyChristian König1-1/+1
Allow multiple schedulers to share the load balancing score. This is useful when one engine has different hw rings. Signed-off-by: Christian König <[email protected]> Reviewed-and-Tested-by: Leo Liu <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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