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2022-03-04Merge tag 'drm-misc-next-2022-03-03' of ↵Dave Airlie5-5/+5
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.18: UAPI Changes: Cross-subsystem Changes: - Improve performance of some fbdev ops, in some cases up to 6x faster. Core Changes: - Some small DP fixes. - Find panels in subnodes of OF devices, and add of_get_drm_panel_display_mode to retrieve mode. - Add drm_object_property_get_default_value and use it for resetting zpos in plane state reset, removing the need for individual drivers to do it. - Same for color encoding and color range props. - Update panic handling todo doc. - Add todo that format conversion helpers should be sped up similarly to fbdev ops. Driver Changes: - Add panel orientation property to simpledrm for quirked panels. - Assorted small fixes to tiny/repaper, nouveau, stm, omap, ssd130x. - Add crc support to stm/ltdc. - Add MIPI DBI compatible SPI driver - Assorted small fixes to tiny panels and bridge drivers. - Add AST2600 support to aspeed. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/48fabd78-ade9-f80b-c724-13726c7be69e@linux.intel.com
2022-03-02drm/panfrost: cleanup commentsTom Rix5-5/+5
For spdx change tab to space delimiter Use // for *.c Replacements commited to committed regsiters to registers initialze to initialize Signed-off-by: Tom Rix <trix@redhat.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/20220302124535.358060-1-trix@redhat.com
2022-02-24Merge tag 'drm-misc-next-2022-02-23' of ↵Dave Airlie5-1/+9
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 <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/686ec871-e77f-c230-22e5-9e3bb80f064a@linux.intel.com
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 <Jiawei.Gu@amd.com> Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220221095705.5290-1-Jiawei.Gu@amd.com
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 <tzimmermann@suse.de> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Chia-I Wu <olvaffe@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220209155634.3994-2-tzimmermann@suse.de
2022-02-11drm/panfrost: Handle IDVS_GROUP_SIZE featureAlyssa Rosenzweig3-0/+7
The IDVS group size feature was missing. It is used on some Bifrost and Valhall GPUs, and is the last kernel-relevant Bifrost feature we're missing. This feature adds an extra IDVS group size field to the JM_CONFIG register. In kbase, the value is configurable via the device tree; kbase uses 0xF as a default if no value is specified. Until we find a device demanding otherwise, let's always set the 0xF default on devices which support this feature mimicking kbase's behaviour. Tuning this register slightly improves performance of index-driven vertex shading. On Mali-G52 (with Mesa), overall glmark2 score is improved from 1026 to 1037. Geometry-heavy scenes like -bshading are improved from 1068 to 1098. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220211145849.3148-1-alyssa.rosenzweig@collabora.com
2022-02-11Merge tag 'drm-intel-next-2022-02-08' of ↵Dave Airlie1-6/+7
git://anongit.freedesktop.org/drm/drm-intel into drm-next Cross-subsystem Changes: ------------------------ dma-buf: - dma-buf-map: Rename to iosys-map (Lucas) Core Changes: ------------- drm: - Always include the debugfs_entry in drm_crtc (Ville) - Add orientation quirk for GPD Win Max (Anisse) Driver Changes: --------------- gvt: - Constify some pointers. (Rikard Falkeborn) - Use list_entry to access list members. (Guenter Roeck) - Fix cmd parser error for Passmark9. (Zhenyu Wang) i915: - Various clean-ups including headers and removing unused and unnecessary stuff\ (Jani, Hans, Andy, Ville) - Cleaning up on our registers definitions i915_reg.h (Matt) - More multi-FBC refactoring (Ville) - Baytrail backlight fix (Hans) - DG1 OPROM read through SPI controller (Clint) - ADL-N platform enabling (Tejas) - Fix slab-out-of-bounds access (Jani) - Add opregion mailbox #5 support for possible EDID override (Anisse) - Fix possible NULL dereferences (Harish) - Updates and fixes around display voltage swing values (Clint, Jose) - Fix RPM wekeref on PXP code (Juston) - Many register definitions clean-up, including planes registers (Ville) - More conversion towards display version over the old gen (Madhumitha, Ville) - DP MST ESI handling improvements (Jani) - drm device based logging conversions (Jani) - Prevent divide by zero (Dan) - Introduce ilk_pch_pre_enable for complete modeset abstraction (Ville) - Async flip optimization for DG2 (Stanislav) - Multiple DSC and bigjoiner fixes and improvements (Ville) - Fix ADL-P TypeC Phy ready status readout (Imre) - Fix up DP DFP 4:2:0 handling more display related fixes (Ville) - Display M/N cleanup (Ville) - Switch to use VGA definitions from video/vga.h (Jani) - Fixes and improvements to abstract CPU architecture (Lucas) - Disable unsused power wells left enabled by BIOS (Imre) - Allow !join_mbus cases for adlp+ dbuf configuration (Ville) - Populate pipe dbuf slices more accurately during readout (Ville) - Workaround broken BIOS DBUF configuration on TGL/RKL (Ville) - Fix trailing semicolon (Lucas) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/YgKFLmCgpv4vQEa1@intel.com
2022-02-08dma-buf-map: Rename to iosys-mapLucas De Marchi1-6/+7
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 <lucas.demarchi@intel.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220204170541.829227-1-lucas.demarchi@intel.com
2022-01-17drm/panfrost: initial dual core group GPUs supportAlexey Sheplyakov1-5/+22
On a dual core group GPUs (such as T628) fragment shading can be performed over all cores (because a fragment shader job doesn't need coherency between threads), however vertex shading requires to be run on the same core group as the tiler (which always lives in core group 0). As a first step to support T628 power on only the first core group (so no jobs are scheduled on the second one). This makes T628 look like every other Midgard GPU (and throws away up to half the cores). With this patch panfrost is able to drive T628 (r1p0) GPU on some armv8 SoCs (in particular BE-M1000). Without the patch rendering is horribly broken (desktop is completely unusable) and eventually the GPU locks up (it takes from a few seconds to a couple of minutes). Using the second core group requires support in Mesa (and an UABI change): the userspace should 1) set PANFROST_JD_DOESNT_NEED_COHERENCY_ON_GPU flag to opt-in to allowing the job to run across all cores. 2) set PANFROST_RUN_ON_SECOND_CORE_GROUP flag to allow compute jobs to be run on the second core group (at the moment Mesa does not advertise compute support on anything older than Mali T760) But there's little point adding such flags until someone (myself) steps up to do the Mesa work. Signed-off-by: Alexey Sheplyakov <asheplyakov@basealt.ru> Signed-off-by: Vadim V. Vlasov <vadim.vlasov@elpitech.ru> Tested-by: Alexey Sheplyakov <asheplyakov@basealt.ru> Co-developed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220115160658.582646-1-asheplyakov@basealt.ru
2022-01-13drm/panfrost: Merge some feature listsAlyssa Rosenzweig1-33/+7
Now that we only list features of interest to kernel space, lots of GPUs have the same feature bits. To cut down on the repetition in the file, merge feature lists that are identical between similar GPUs. Note that this leaves some unmerged identical Bifrost feature lists, as there are more features affecting Bifrost kernel space that we do not yet handle. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> [Steve: fix typo in commit message] Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220109170920.2921-3-alyssa.rosenzweig@collabora.com
2022-01-13drm/panfrost: Remove features meant for userspaceAlyssa Rosenzweig1-172/+0
Early versions of the legacy kernel driver included comprehensive feature lists for every GPU, even though most of the enumerated features only matter to userspace. For example, HW_FEATURE_INTERPIPE_REG_ALIASING was a feature bit indicating that a GPU had "interpipe register aliasing": arithmetic, load/store, and texture instruction all use common general-purpose registers. GPUs without this feature bit have dedicated load/store and texture "registers". Whether a GPU has this feature or not is irrelevant to the kernel; it only matters in the userspace compiler's register allocator. It's silly to enumerate it in kernel space, and the information is understandably unused. To underscore the point, this feature only makes sense in the context of the Midgard instruction set. Bifrost never had dedicated load/store or texture registers, so the feature bit was vacuously set for all Bifrost hardware, even though this conveys no useful information. To clean up the feature list, delete feature bits which could not possibly matter to the kernel, leaving only those which do affect the register-level operation of the chip. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.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/20220109170920.2921-2-alyssa.rosenzweig@collabora.com
2022-01-12drm/panfrost: Check for error num after setting maskJiasheng Jiang1-1/+4
Because of the possible failure of the dma_supported(), the dma_set_mask_and_coherent() may return error num. Therefore, it should be better to check it and return the error if fails. Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> [Steve: fix Fixes: line] Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220106030326.2620942-1-jiasheng@iscas.ac.cn
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 <tzimmermann@suse.de> Reviewed-by: Steven Price <steven.price@arm.com> Acked-by: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20211130095255.26710-1-tzimmermann@suse.de
2021-11-15drm/shmem-helper: Pass GEM shmem object in public interfacesThomas Zimmermann5-10/+13
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 <tzimmermann@suse.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211108093149.7226-4-tzimmermann@suse.de
2021-11-15drm/shmem-helper: Export dedicated wrappers for GEM object functionsThomas Zimmermann1-6/+6
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 <tzimmermann@suse.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211108093149.7226-3-tzimmermann@suse.de
2021-09-20drm/panfrost: simplify getting .driver_dataWolfram Sang1-4/+2
We should get 'driver_data' from 'struct device' directly. Going via platform_device is an unneeded step back and forth. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.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/20210920090522.23784-6-wsa+renesas@sang-engineering.com
2021-09-20panfrost: make mediatek_mt8183_supplies and mediatek_mt8183_pm_domains staticJiapeng Chong1-2/+2
This symbol is not used outside of panfrost_drv.c, so marks it static. Fix the following sparse warning: drivers/gpu/drm/panfrost/panfrost_drv.c:641:12: warning: symbol 'mediatek_mt8183_supplies' was not declared. Should it be static? drivers/gpu/drm/panfrost/panfrost_drv.c:642:12: warning: symbol 'mediatek_mt8183_pm_domains' was not declared. Should it be static? Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.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/1631956414-85412-1-git-send-email-jiapeng.chong@linux.alibaba.com
2021-09-17drm/panfrost: Calculate lock region size correctlySteven Price1-7/+23
It turns out that when locking a region, the region must be a naturally aligned power of 2. The upshot of this is that if the desired region crosses a 'large boundary' the region size must be increased significantly to ensure that the locked region completely covers the desired region. Previous calculations (including in kbase for the proprietary driver) failed to take this into account. Since it's known that the lock region must be naturally aligned we can compute the required size by looking at the highest bit position which changes between the start/end of the lock region (subtracting 1 from the end because the end address is exclusive). The start address is then aligned based on the size (this is technically unnecessary as the hardware will ignore these bits, but the spec advises to do this "to avoid confusion"). Reviewed-by: Boris Brezillon <boris.brezillon@collabora.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/20210903094957.74560-1-steven.price@arm.com
2021-09-14Merge drm/drm-next into drm-misc-nextMaxime Ripard2-20/+13
Kickstart new drm-misc-next cycle. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2021-09-02drm/panfrost: Make use of the helper function devm_platform_ioremap_resource()Cai Huoqing1-3/+1
Use the devm_platform_ioremap_resource() helper instead of calling platform_get_resource() and devm_ioremap_resource() separately Signed-off-by: Cai Huoqing <caihuoqing@baidu.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/20210831075327.653-1-caihuoqing@baidu.com
2021-09-02panfrost: Don't cleanup the job if it was successfully queuedBoris Brezillon1-9/+10
The labels are misleading. Even though they are all prefixed with 'fail_' the success case also takes that path, and we should definitely not cleanup the job if it's been queued. While at it, let's rename those labels so we don't do the same mistake again. Fixes: 53516280cc38 ("drm/panfrost: use scheduler dependency tracking") Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Steven Price <steven.price@arm.com> Tested-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210831133556.236984-1-boris.brezillon@collabora.com Link: https://patchwork.freedesktop.org/patch/msgid/20210831133556.236984-1-boris.brezillon@collabora.com
2021-08-30drm/panfrost: use scheduler dependency trackingDaniel Vetter3-41/+18
Just deletes some code that's now more shared. Note that thanks to the split into drm_sched_job_init/arm we can now easily pull the _init() part from under the submission lock way ahead where we're adding the sync file in-fences as dependencies. v2: Correctly clean up the partially set up job, now that job_init() and job_arm() are apart (Emma). v3: Rebased over renamed functions for adding depdencies Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Acked-by: Emma Anholt <emma@anholt.net> Reviewed-by: Steven Price <steven.price@arm.com> (v3) Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Steven Price <steven.price@arm.com> Cc: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Cc: Emma Anholt <emma@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20210805104705.862416-8-daniel.vetter@ffwll.ch
2021-08-30drm/sched: drop entity parameter from drm_sched_push_jobDaniel Vetter1-1/+1
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 <christian.koenig@amd.com> Acked-by: Emma Anholt <emma@anholt.net> Acked-by: Melissa Wen <mwen@igalia.com> Reviewed-by: Steven Price <steven.price@arm.com> (v1) Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> (v1) Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Russell King <linux+etnaviv@armlinux.org.uk> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Qiang Yu <yuq825@gmail.com> Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Steven Price <steven.price@arm.com> Cc: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Cc: Emma Anholt <emma@anholt.net> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Nirmoy Das <nirmoy.das@amd.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Chen Li <chenli@uniontech.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Deepak R Varma <mh12gx2825@gmail.com> Cc: Kevin Wang <kevin1.wang@amd.com> Cc: Luben Tuikov <luben.tuikov@amd.com> Cc: "Marek Olšák" <marek.olsak@amd.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Cc: Dennis Li <Dennis.Li@amd.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: etnaviv@lists.freedesktop.org Cc: lima@lists.freedesktop.org Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Cc: Rob Clark <robdclark@gmail.com> Cc: Sean Paul <sean@poorly.run> Cc: Melissa Wen <mwen@igalia.com> Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20210805104705.862416-6-daniel.vetter@ffwll.ch
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 <christian.koenig@amd.com> Acked-by: Melissa Wen <mwen@igalia.com> Cc: Melissa Wen <melissa.srw@gmail.com> Acked-by: Emma Anholt <emma@anholt.net> Acked-by: Steven Price <steven.price@arm.com> (v2) Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> (v5) Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Russell King <linux+etnaviv@armlinux.org.uk> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Qiang Yu <yuq825@gmail.com> Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Steven Price <steven.price@arm.com> Cc: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Adam Borowski <kilobyte@angband.pl> Cc: Nick Terrell <terrelln@fb.com> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Paul Menzel <pmenzel@molgen.mpg.de> Cc: Sami Tolvanen <samitolvanen@google.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Nirmoy Das <nirmoy.das@amd.com> Cc: Deepak R Varma <mh12gx2825@gmail.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Kevin Wang <kevin1.wang@amd.com> Cc: Chen Li <chenli@uniontech.com> Cc: Luben Tuikov <luben.tuikov@amd.com> Cc: "Marek Olšák" <marek.olsak@amd.com> Cc: Dennis Li <Dennis.Li@amd.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Cc: Sonny Jiang <sonny.jiang@amd.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Tian Tao <tiantao6@hisilicon.com> Cc: etnaviv@lists.freedesktop.org Cc: lima@lists.freedesktop.org Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Cc: Emma Anholt <emma@anholt.net> Cc: Rob Clark <robdclark@gmail.com> Cc: Sean Paul <sean@poorly.run> Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20210817084917.3555822-1-daniel.vetter@ffwll.ch
2021-08-26drm/panfrost: Use upper/lower_32_bits helpersAlyssa Rosenzweig3-12/+12
Use upper_32_bits/lower_32_bits helpers instead of open-coding them. This is easier to scan quickly compared to bitwise manipulation, and it is pleasingly symmetric. I noticed this when debugging lock_region, which had a particularly "creative" way of writing upper_32_bits. v2: Use helpers for one more call site and add review tag (Steven). Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Rob Herring <robh@kernel.org> (v1) Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210825153348.4980-1-alyssa.rosenzweig@collabora.com
2021-08-25drm/panfrost: Clamp lock region to Bifrost minimumAlyssa Rosenzweig2-1/+3
When locking a region, we currently clamp to a PAGE_SIZE as the minimum lock region. While this is valid for Midgard, it is invalid for Bifrost, where the minimum locking size is 8x larger than the 4k page size. Add a hardware definition for the minimum lock region size (corresponding to KBASE_LOCK_REGION_MIN_SIZE_LOG2 in kbase) and respect it. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Tested-by: Chris Morgan <macromorgan@hotmail.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Rob Herring <robh@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210824173028.7528-4-alyssa.rosenzweig@collabora.com
2021-08-25drm/panfrost: Use u64 for size in lock_regionAlyssa Rosenzweig1-6/+6
Mali virtual addresses are 48-bit. Use a u64 instead of size_t to ensure we can express the "lock everything" condition as ~0ULL without overflow. This code was silently broken on any platform where a size_t is less than 48-bits; in particular, it was broken on 32-bit armv7 platforms which remain in use with panfrost. (Mainly RK3288) Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Suggested-by: Rob Herring <robh@kernel.org> Tested-by: Chris Morgan <macromorgan@hotmail.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Rob Herring <robh@kernel.org> Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver") Cc: <stable@vger.kernel.org> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210824173028.7528-3-alyssa.rosenzweig@collabora.com
2021-08-25drm/panfrost: Simplify lock_region calculationAlyssa Rosenzweig1-14/+5
In lock_region, simplify the calculation of the region_width parameter. This field is the size, but encoded as ceil(log2(size)) - 1. ceil(log2(size)) may be computed directly as fls(size - 1). However, we want to use the 64-bit versions as the amount to lock can exceed 32-bits. This avoids undefined (and completely wrong) behaviour when locking all memory (size ~0). In this case, the old code would "round up" ~0 to the nearest page, overflowing to 0. Since fls(0) == 0, this would calculate a region width of 10 + 0 = 10. But then the code would shift by (region_width - 11) = -1. As shifting by a negative number is undefined, UBSAN flags the bug. Of course, even if it were defined the behaviour is wrong, instead of locking all memory almost none would get locked. The new form of the calculation corrects this special case and avoids the undefined behaviour. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reported-and-tested-by: Chris Morgan <macromorgan@hotmail.com> Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver") Cc: <stable@vger.kernel.org> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210824173028.7528-2-alyssa.rosenzweig@collabora.com
2021-07-23drm/panfrost: devfreq: Don't display error for EPROBE_DEFERChris Morgan1-1/+2
Set a condition for the message of "Couldn't set OPP regulators" to not display if the error code is EPROBE_DEFER. Note that I used an if statement to capture the condition instead of the dev_err_probe function because I didn't want to change the DRM_DEV_ERROR usage. Signed-off-by: Chris Morgan <macromorgan@hotmail.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/20210721214830.25690-1-macroalpha82@gmail.com
2021-07-12drm/panfrost:fix the exception name always "UNKNOWN"ChunyouTang1-1/+1
The exception_code in register is only 8 bits,So if fault_status in panfrost_gpu_irq_handler() don't (& 0xFF),it can't get correct exception reason. and it's better to show all of the register value to custom,so it's better fault_status don't (& 0xFF). Signed-off-by: ChunyouTang <tangchunyou@icubecorp.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/20210708073407.2015-1-tangchunyou@163.com
2021-07-01drm/panfrost: Increase the AS_ACTIVE polling timeoutBoris Brezillon1-1/+1
Experience has shown that 1ms is sometimes not enough, even when the GPU is running at its maximum frequency, not to mention that an MMU operation might take longer if the GPU is running at a lower frequency, which is likely to be the case if devfreq is active. Let's pick a significantly bigger timeout value (1ms -> 100ms) to be on the safe side. v5: * New patch Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-17-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Queue jobs on the hardwareSteven Price2-118/+351
The hardware has a set of '_NEXT' registers that can hold a second job while the first is executing. Make use of these registers to enqueue a second job per slot. v5: * Fix a comment in panfrost_job_init() v3: * Fix the done/err job dequeuing logic to get a valid active state * Only enable the second slot on GPUs supporting jobchain disambiguation * Split interrupt handling in sub-functions Signed-off-by: Steven Price <steven.price@arm.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-16-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Kill in-flight jobs on FD closeBoris Brezillon2-6/+43
If the process who submitted these jobs decided to close the FD before the jobs are done it probably means it doesn't care about the result. v5: * Add a panfrost_exception_is_fault() helper and the DRM_PANFROST_EXCEPTION_MAX_NON_FAULT value v4: * Don't disable/restore irqs when taking the job_lock (not needed since this lock is never taken from an interrupt context) v3: * Set fence error to ECANCELED when a TERMINATED exception is received Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-15-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Don't reset the GPU on job faults unless we really have toBoris Brezillon3-2/+25
If we can recover from a fault without a reset there's no reason to issue one. v3: * Drop the mention of Valhall requiring a reset on JOB_BUS_FAULT * Set the fence error to -EINVAL instead of having per-exception error codes Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-14-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Reset the GPU when the AS_ACTIVE bit is stuckBoris Brezillon1-1/+4
Things are unlikely to resolve until we reset the GPU. Let's not wait for other faults/timeout to happen to trigger this reset. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-13-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Disable the AS on unhandled page faultsBoris Brezillon2-3/+32
If we don't do that, we have to wait for the job timeout to expire before the fault jobs gets killed. v3: * Make sure the AS is re-enabled when new jobs are submitted to the context Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-12-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Make sure job interrupts are masked before resettingBoris Brezillon1-5/+22
This is not yet needed because we let active jobs be killed during by the reset and we don't really bother making sure they can be restarted. But once we start adding soft-stop support, controlling when we deal with the remaining interrrupts and making sure those are handled before the reset is issued gets tricky if we keep job interrupts active. Let's prepare for that and mask+flush job IRQs before issuing a reset. v4: * Add a comment explaining why we WARN_ON(!job) in the irq handler * Keep taking the job_lock when evicting stalled jobs v3: * New patch Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-11-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Simplify the reset serialization logicBoris Brezillon2-123/+69
Now that we can pass our own workqueue to drm_sched_init(), we can use an ordered workqueue on for both the scheduler timeout tdr and our own reset work (which we use when the reset is not caused by a fault/timeout on a specific job, like when we have AS_ACTIVE bit stuck). This guarantees that the timeout handlers and reset handler can't run concurrently which drastically simplifies the locking. v5: * Don't call cancel_delayed_timeout() in the reset path (those works are canceled in drm_sched_stop()) v4: * Actually pass the reset workqueue to drm_sched_init() * Don't call cancel_work_sync() in panfrost_reset(). It will deadlock since it might be called from the reset work, which is executing and cancel_work_sync() will wait for the handler to return. Checking the reset pending status should avoid spurious resets v3: * New patch Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-10-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Use a threaded IRQ for job interruptsBoris Brezillon1-15/+38
This should avoid switching to interrupt context when the GPU is under heavy use. v3: * Don't take the job_lock in panfrost_job_handle_irq() Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-9-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Expose a helper to trigger a GPU resetBoris Brezillon2-3/+9
Expose a helper to trigger a GPU reset so we can easily trigger reset operations outside the job timeout handler. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-8-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Do the exception -> string translation using a tableBoris Brezillon2-46/+151
Do the exception -> string translation using a table. This way we get rid of those magic numbers and can easily add new fields if we need to attach extra information to exception types. v4: * Don't expose exception type to userspace * Merge the enum definition and the enum -> string table declaration in the same patch v3: * Drop the error field Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-7-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Drop the pfdev argument passed to panfrost_exception_name()Boris Brezillon5-5/+5
Currently unused. We'll add it back if we need per-GPU definitions. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-6-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Get rid of the unused JS_STATUS_EVENT_ACTIVE definitionBoris Brezillon1-3/+0
Exception types will be defined as an enum. v4: * Fix typo in the commit message Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-5-boris.brezillon@collabora.com
2021-07-01drm/panfrost: Make ->run_job() return an ERR_PTR() when appropriateBoris Brezillon1-1/+1
If the fence creation fail, we can return the error pointer directly. The core will update the fence error accordingly. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-4-boris.brezillon@collabora.com
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 <daniel.vetter@ffwll.ch> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Christian König <christian.koenig@amd.com> Cc: Qiang Yu <yuq825@gmail.com> Cc: Emma Anholt <emma@anholt.net> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-3-boris.brezillon@collabora.com
2021-06-24drm/panfrost: Make sure MMU context lifetime is not bound to panfrost_privBoris Brezillon6-111/+136
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: 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> Link: https://patchwork.freedesktop.org/patch/msgid/20210621133907.1683899-2-boris.brezillon@collabora.com
2021-06-23drm/panfrost: Fix implicit syncDaniel Vetter1-3/+2
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: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Steven Price <steven.price@arm.com> Cc: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20210622165511.3169559-7-daniel.vetter@ffwll.ch
2021-06-23drm/panfrost: Use xarray and helpers for depedency trackingDaniel Vetter3-65/+49
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: Boris Brezillon <boris.brezillon@collabora.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: "Christian König" <christian.koenig@amd.com> Cc: Luben Tuikov <luben.tuikov@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Steven Price <steven.price@arm.com> Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210622165511.3169559-6-daniel.vetter@ffwll.ch
2021-06-23drm/panfrost: Shrink sched_lockDaniel Vetter1-4/+3
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: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Rob Herring <robh@kernel.org> Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Steven Price <steven.price@arm.com> Cc: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210622165511.3169559-5-daniel.vetter@ffwll.ch
2021-06-11drm/panfrost: Fix missing clk_disable_unprepare() on error in ↵Wei Yongjun1-1/+2
panfrost_clk_init() Fix the missing clk_disable_unprepare() before return from panfrost_clk_init() in the error handling case. Fixes: b681af0bc1cc ("drm: panfrost: add optional bus_clock") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.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/20210608143856.4154766-1-weiyongjun1@huawei.com