- 19 Nov, 2020 7 commits
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Tvrtko Ursulin authored
Include the signalers each request in the timeline is waiting on, as a means to try and identify the cause of a stall. This can be quite verbose, even as for now we only show each request in the timeline and its immediate antecedents. This generates output like: Timeline 886: { count 1, ready: 0, inflight: 0, seqno: { current: 664, last: 666 }, engine: rcs0 } U 886:29a- prio=0 @ 134ms: gem_exec_parall<4621> U bc1:27a- prio=0 @ 134ms: gem_exec_parall[4917] Timeline 825: { count 1, ready: 0, inflight: 0, seqno: { current: 802, last: 804 }, engine: vcs0 } U 825:324 prio=0 @ 107ms: gem_exec_parall<4518> U b75:140- prio=0 @ 110ms: gem_exec_parall<5486> Timeline b46: { count 1, ready: 0, inflight: 0, seqno: { current: 782, last: 784 }, engine: vcs0 } U b46:310- prio=0 @ 70ms: gem_exec_parall<5428> U c11:170- prio=0 @ 70ms: gem_exec_parall[5501] Timeline 96b: { count 1, ready: 0, inflight: 0, seqno: { current: 632, last: 634 }, engine: vcs0 } U 96b:27a- prio=0 @ 67ms: gem_exec_parall<4878> U b75:19e- prio=0 @ 67ms: gem_exec_parall<5486> Signed-off-by:Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by:
Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
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Chris Wilson authored
Lift the list iteration defines for traversing the signaler/waiter lists into i915_scheduler.h for reuse. Signed-off-by:
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Chris Wilson authored
Include the active timelines for debugfs/i915_engine_info, so that we can see which have unready requests inflight which are not shown otherwise. Suggested-by:
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Chris Wilson authored
We plan to expand upon the number of available statuses for when we pretty-print the requests along the timelines, and so need a new set of flags. We have settled upon: Unready [U] - initial status after being submitted, the request is not ready for execution as it is waiting for external fences Ready [R] - all fences the request was waiting on have been signaled, and the request is now ready for execution and will be in a backend queue - a ready request may still need to wait on semaphores [internal fences] Ready/virtual [V] - same as ready, but queued over multiple backends Executing [E] - the request has been transferred from the backend queue and submitted for execution on HW - a completed request may still be regarded as executing, its status may not be updated until it is retired and removed from the lists Signed-off-by: -
Chris Wilson authored
Extract i915_request_show for reuse in other request chain pretty printers. For a bonus point, quietly change the seqno format from %llx to %lld to match everywhere else. Signed-off-by:
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Chris Wilson authored
When pretty-printing the requests for debug, also show the status of any semaphore waits as part of its runnable status. Signed-off-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201119165616.10834-1-chris@chris-wilson.co.uk
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Chris Wilson authored
Just a normal comment, not a kerneldoc function description. drivers/gpu/drm/i915/gvt/handlers.c:1666: warning: Function parameter or member 'vgpu' not described in 'bxt_ppat_low_write' drivers/gpu/drm/i915/gvt/handlers.c:1666: warning: Function parameter or member 'offset' not described in 'bxt_ppat_low_write' drivers/gpu/drm/i915/gvt/handlers.c:1666: warning: Function parameter or member 'p_data' not described in 'bxt_ppat_low_write' drivers/gpu/drm/i915/gvt/handlers.c:1666: warning: Function parameter or member 'bytes' not described in 'bxt_ppat_low_write' Signed-off-by:
Zhenyu Wang <zhenyuw@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201103204307.15723-1-chris@chris-wilson.co.uk
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- 18 Nov, 2020 1 commit
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Chris Wilson authored
Since we allocate some breadcrumbs for the virtual engine, and the virtual engine has a custom destructor, we also need to free the breadcrumbs after use. Fixes: b3786b29 ("drm/i915/gt: Distinguish the virtual breadcrumbs from the irq breadcrumbs") Signed-off-by:
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- 17 Nov, 2020 2 commits
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Chris Wilson authored
The presumption was that some time would always elapse between recording the start and the finish of a context switch. This turns out to be a regular occurrence and emitting a debug statement superfluous. Signed-off-by:
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Lucas De Marchi authored
Just like for rkl and tgl, this should be permanent as well for dg1 instead just for A0. The commit making it permanent for those platforms ended up "racing" with the commit adding the DG1 WAs, so now fix that up. v2: Add "tgl,dg1" to WA comment (Matt) Cc: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com> Signed-off-by:
Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by:
Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201027043228.696518-3-lucas.demarchi@intel.com
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- 16 Nov, 2020 3 commits
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Zhang Xiaoxu authored
If intel context create failed, the perf_request_latency() will return 0 rather than error, because we doesn't initialize the return value. Fixes: 25c26f18 ("drm/i915/selftests: Measure dispatch latency") Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Zhang Xiaoxu <zhangxiaoxu5@huawei.com> Reviewed-by:
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Zhang Xiaoxu authored
If intel context create failed, the perf_series_engines() will return 0 rather than error, because we doesn't initialize the return value. Fixes: cbfd3a0c ("drm/i915/selftests: Add request throughput measurement to perf") Reported-by:
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Tvrtko Ursulin authored
I forgot to free the old list when growing past 16 entries. Luckily, as much as I checked, none of the current platforms has more than 16 workarounds on a single list. Signed-off-by:
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- 15 Nov, 2020 1 commit
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git://github.com/skeggsb/linuxDave Airlie authored
-next fix for type stuff. Signed-off-by:
Dave Airlie <airlied@redhat.com> From: Ben Skeggs <skeggsb@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv5vuM54oU1Yp8sX5ZVmJAv+-oQRQj-AeaKFb3qs1EtP-g@mail.gmail.com
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- 14 Nov, 2020 1 commit
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Ben Skeggs authored
Pre-NV50 chipsets don't currently use the MMU subsystem that later chipsets use, and type_vram is negative here, leading to an OOB memory access. This was previously guarded by a chipset check, restore that. Reported-by:
Thomas Zimmermann <tzimmermann@suse.de> Fixes: 5839172f ("drm/nouveau: explicitly specify caching to use") Signed-off-by:
Ben Skeggs <bskeggs@redhat.com> Reviewed-by:
Michael J. Ruhl <michael.j.ruhl@intel.com> Reviewed-by:
Christian König <christian.koenig@amd.com>
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- 13 Nov, 2020 3 commits
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Dave Airlie authored
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next Cross-subsystem Changes: - DMA mapped scatterlist fixes in i915 to unblock merging of https://lkml.org/lkml/2020/9/27/70 (Tvrtko, Tom) Driver Changes: - Fix for user reported issue #2381 (Graphical output stops with "switching to inteldrmfb from simple"): Mark ininitial fb obj as WT on eLLC machines to avoid rcu lockup during fbdev init (Ville, Chris) - Fix for Tigerlake (and earlier) to avoid spurious empty CSB events leading to hang (Chris, Bruce) - Delay execlist processing for Tigerlake to avoid hang (Chris) - Fix for Tigerlake RCS engine health check through heartbeat (Chris) - Fix for Tigerlake reserved MOCS entries (Ayaz, Chris) - Fix Media power gate sequence on Tigerlake (Rodrigo) - Enable eLLC caching of display buffers for SKL+ (Ville) - Support parsing of oversize batches on Gen9 (Matt, Chris) - Exclude low pages (128KiB) of stolen from use to avoid thrashing during reset (Chris) - Flush engines before Tigerlake breadcrumbs (Chris) - Use the local HWSP offset during submission (Chris) - Flush coherency domains on first set-domain-ioctl (Chris, Zbigniew) - Use the active reference on the vma while capturing to avoid use-after-free (Chris) - Fix MOCS PTE setting for gen9+ (Ville) - Avoid NULL dereference on IPS driver callback while unbinding i915 (Chris) - Avoid NULL dereference from PT/PD stash allocation error (Matt) - Hold request reference for canceling an active context (Chris) - Avoid infinite loop on x86-32 when mapping a lot of objects (Chris) - Disallow WC mappings when processor doesn't support them (Chris) - Return correct error in i915_gem_object_copy_blt() error path (Dan) - Return correct error in intel_context_create_request() error path (Maarten) - Tune down GuC communication enabled/disabled messages to debug (Jani) - Fix rebased commit "Remove i915_request.lock requirement for execution callbacks" (Chris) - Cancel outstanding work after disabling heartbeats on an engine (Chris) - Signal cancelled requests (Chris) - Retire cancelled requests on unload (Chris) - Scrub HW state on driver remove (Chris) - Undo forced context restores after trivial preemptions (Chris) - Handle PCI unbind in PMU code (Tvrtko) - Fix CPU hotplug with multiple GPUs in PMU code (Trtkko) - Correctly set SFC capability for video engines (Venkata) - Update GuC code to use firmware v49.0.1 (John, Matthew B., Daniele, Oscar, Michel, Rodrigo, Michal) - Improve GuC warnings on loading failure (John) - Avoid ownership race in buffer pool by clearing age (Chris) - Use MMIO to read CSB in case of failure (Chris, Mika) - Show engine properties in engine state dump to indicate changes (Chris, Joonas) - Break up error capture compression loops with cond_resched() (Chris) - Reduce GPU error capture mutex hold time to avoid khungtaskd (Chris) - Serialise debugfs i915_gem_objects with ctx->mutex (Chris) - Always test execution status on closing the context and close if not persistent (Chris) - Avoid mixing integer types during batch copies (Chris, Jared) - Skip over MI_NOOP when parsing to avoid overhead (Chris) - Hold onto an explicit ref to i915_vma_work.pinned (Chris) - Perform all asynchronous waits prior to marking payload start (Chris) - Pull phys pread/pwrite implementations to the backend (Matt) - Improve record of hung engines in error state (Tvrtko) - Allow backends to override pread implementation (Matt) - Reinforce LRC poisoning checks to confirm context survives execution (Chris) - Fix memory region max size calculation (Matt) - Fix order when adding blocks to memory region (Matt) - Eliminate unused intel_virtual_engine_get_sibling func (Chris) - Cleanup kasan warning for on-stack (unsigned long) casting (Chris) - Onion unwind for scratch page allocation failure (Chris) - Poison stolen pages before use (Chris) - Selftest improvements (Chris) Signed-off-by:
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Dave Airlie authored
This all caps looked ugly. Signed-off-by: -
git://anongit.freedesktop.org/drm/drm-miscDave Airlie authored
drm-misc-next for 5.11: UAPI Changes: Cross-subsystem Changes: Core Changes: - Remove pgprot_decrypt() before calling io_remap_pfn_range() - Revert "drm/dp_mst: Retrieve extended DPCD caps for topology manager" - ttm: Add multihop infrastructure - doc: Update dma-buf Driver Changes: - amdgpu: Use TTM multihop - kmb: select DRM_MIPI_DSI and depend on ARCH_KEEMBAY; Fix build warning; Fix typos - nouveau: Use TTM multihop; Fix out-of-bounds access - radeon: Use TTM multihop - ingenic: Search for scaling coefficients to to 102% of screen size Signed-off-by:
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- 11 Nov, 2020 10 commits
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Colin Ian King authored
There are two spelling mistakes of the word sync in drm_info and drm_dbg messages. Fix these. Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201109111225.1485190-1-colin.king@canonical.com
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Anitha Chrisanthus authored
Fixed the following W=1 kernel build warnings drivers/gpu/drm/kmb/kmb_plane.h:74:18: warning: ‘kmb_formats_v’ defined but not used [-Wunused-const-variable=] drivers/gpu/drm/kmb/kmb_plane.h:61:18: warning: ‘kmb_formats_g’ defined but not used [-Wunused-const-variable=] Signed-off-by:
Anitha Chrisanthus <anitha.chrisanthus@intel.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Thomas Zimmermann authored
The value of struct drm_device.ttm.type_vram can become -1 for unknown types of memory (see nouveau_ttm_init()). This leads to an out-of-bounds error when accessing struct nvif_mmu.type[]: [ 18.304116] ================================================================== [ 18.311649] BUG: KASAN: slab-out-of-bounds in nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau] [ 18.320415] Read of size 1 at addr ffff88810ffac1fe by task systemd-udevd/342 [ 18.327681] [ 18.329208] CPU: 1 PID: 342 Comm: systemd-udevd Tainted: G E 5.10.0-rc2-1-default+ #581 [ 18.338681] Hardware name: Dell Inc. OptiPlex 9020/0N4YC8, BIOS A24 10/24/2018 [ 18.346032] Call Trace: [ 18.348536] dump_stack+0xae/0xe5 [ 18.351919] print_address_description.constprop.0+0x17/0xf0 [ 18.357787] ? nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau] [ 18.363818] __kasan_report.cold+0x20/0x38 [ 18.368099] ? nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau] [ 18.374133] kasan_report+0x3a/0x50 [ 18.377789] nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau] <...> [ 18.767690] Allocated by task 342: [ 18.773087] kasan_save_stack+0x1b/0x40 [ 18.778890] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 18.785646] __kmalloc_track_caller+0x1be/0x390 [ 18.792165] kstrdup_const+0x46/0x70 [ 18.797686] kobject_set_name_vargs+0x2f/0xb0 [ 18.803992] kobject_init_and_add+0x9d/0xf0 [ 18.810117] ttm_mem_global_init+0x12c/0x210 [ttm] [ 18.816853] ttm_bo_global_init+0x4a/0x160 [ttm] [ 18.823420] ttm_bo_device_init+0x39/0x220 [ttm] [ 18.830046] nouveau_ttm_init+0x2c3/0x830 [nouveau] [ 18.836929] nouveau_drm_device_init+0x1b4/0x3f0 [nouveau] <...> [ 19.105336] ================================================================== Fix this error, by not using type_vram as an index if it's negative. Assume default values instead. The error was seen on Nvidia G72 hardware. Signed-off-by:
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Jianxin Xiong authored
The fact that the size of dma-buf is invariant over the lifetime of the buffer is mentioned in the comment of 'dma_buf_ops.mmap', but is not documented at where the info is defined. Add the missing documentation. Signed-off-by:
Jianxin Xiong <jianxin.xiong@intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1605044477-51833-7-git-send-email-jianxin.xiong@intel.com
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Rodrigo Vivi authored
Some media power gates are disabled by default. commit 5d869230 ("drm/i915/tgl: Enable VD HCP/MFX sub-pipe power gating") tried to enable it, but it duplicated an existent register. So, the main PG setup sequences ended up overwriting it. So, let's now merge this to the main PG setup sequence. v2: (Chris): s/BIT/REG_BIT, remove useless comment, remove useless =0, use the right gt, remove rc6 sequence doubt from commit message. Fixes: 5d869230 ("drm/i915/tgl: Enable VD HCP/MFX sub-pipe power gating") Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: stable@vger.kernel.org#v5.5+ Cc: Dale B Stimson <dale.b.stimson@intel.com> Signed-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:
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Paul Cercueil authored
Increase the scaled image's theorical width/height until we find a configuration that has valid scaling coefficients, up to 102% of the screen's resolution. This makes sure that we can scale from almost every resolution possible at the cost of a very small distorsion. The CRTC_W / CRTC_H are not modified. This algorithm was already in place but would not try to go above the screen's resolution, and as a result would only work if the CRTC_W / CRTC_H were smaller than the screen resolution. It will now try until it reaches 102% of the screen's resolution. Note that this algorithm exists mostly as a band-aid for a missing functionality: it is not possible for userspace to request the closest mode that would encapsulate the provided one, because the GEM buffer is created beforehand. If there was a way to let the kernel tweak the mode, I could write a better algorithm that would result in a better looking picture. Signed-off-by:
Paul Cercueil <paul@crapouillou.net> Acked-by:
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Dave Airlie authored
This removes the code to move resources directly between SYSTEM and VRAM in favour of using the core ttm mulithop code. Signed-off-by:
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Dave Airlie authored
This removes the code to move resources directly between SYSTEM and VRAM in favour of using the core ttm mulithop code. Signed-off-by:
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Dave Airlie authored
This removes the code to move resources directly between SYSTEM and VRAM in favour of using the core ttm mulithop code. Signed-off-by:
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Dave Airlie authored
Currently drivers get called to move a buffer, but if they have to move it temporarily through another space (SYSTEM->VRAM via TT) then they can end up with a lot of ttm->driver->ttm call stacks, if the temprorary space moves requires eviction. Instead of letting the driver do all the placement/space for the temporary, allow it to report back (-EMULTIHOP) and a placement (hop) to the move code, which will then do the temporary move, and the correct placement move afterwards. This removes a lot of code from drivers, at the expense of adding some midlayering. I've some further ideas on how to turn it inside out, but I think this is a good solution to the call stack problems. v2: separate out the driver patches, add WARN for getting MULTHOP in paths we shouldn't (Daniel) v3: use memset (Christian) Reviewed-by:
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- 10 Nov, 2020 12 commits
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Koba Ko authored
This reverts commit ad44c032. Currently DRM driver assume the source device caps is higher than the MST device caps. With this commit, this statement would be broken. e.g. the source device only support DP1.2 and the mst device support DP1.4. Signed-off-by:
Koba Ko <koba.ko@canonical.com> Reviewed-by:
Lyude Paul <lyude@redhat.com> Signed-off-by:
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Jason Gunthorpe authored
commit f8f6ae5d ("mm: always have io_remap_pfn_range() set pgprot_decrypted()") moves the pgprot_decrypted() into io_remap_pfn_range(). Delete any, now confusing, open coded calls that directly precede io_remap_pfn_range(): - drm_io_prot() is only in drm_mmap_locked() to call io_remap_pfn_range() - fb_mmap() immediately calls vm_iomap_memory() which is a convenience wrapper for io_remap_pfn_range() Signed-off-by:
Jason Gunthorpe <jgg@nvidia.com> Signed-off-by:
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Geert Uytterhoeven authored
The Intel Keem Bay display controller is only present on Intel Keem Bay SoCs. Hence add a dependency on ARCH_KEEMBAY, to prevent asking the user about this driver when configuring a kernel without Intel Keem Bay platform support. Note that: 1. The dependency on ARM is dropped, as Keem Bay SoCs are only supported in arm64 kernel builds, 2. The dependencies on OF and COMMON_CLK can be dropped for compile-testing, as the driver builds fine regardless. Fixes: ed794057 ("drm/kmb: Build files for KeemBay Display driver") Signed-off-by:Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by:
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Geert Uytterhoeven authored
If CONFIG_DRM_MIPI_DSI=n: aarch64-linux-gnu-ld: drivers/gpu/drm/kmb/kmb_dsi.o: in function `kmb_dsi_host_unregister': kmb_dsi.c:(.text+0xa48): undefined reference to `mipi_dsi_host_unregister' aarch64-linux-gnu-ld: drivers/gpu/drm/kmb/kmb_dsi.o: in function `kmb_dsi_host_bridge_init': kmb_dsi.c:(.text+0xb14): undefined reference to `mipi_dsi_host_register' Fix this be selecting DRM_MIPI_DSI, like other drivers do. Fixes: ed794057 ("drm/kmb: Build files for KeemBay Display driver") Signed-off-by: -
Thomas Zimmermann authored
We need commit f8f6ae5d ("mm: always have io_remap_pfn_range() set pgprot_decrypted()") to be able to merge Jason's cleanup patch. Signed-off-by:
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Daniel Abrecht authored
This will make sure applications which use the IN_FORMATS blob to figure out which modifiers they can use will pick up the linear modifier which is needed by mxsfb. Such applications will not work otherwise if an incompatible implicit modifier ends up being selected. Before commit ae1ed009 ("drm: mxsfb: Stop using DRM simple display pipeline helper"), the DRM simple display pipeline helper took care of this. Signed-off-by:
Daniel Abrecht <public@danielabrecht.ch> Fixes: ae1ed009 ("drm: mxsfb: Stop using DRM simple display pipeline helper") Signed-off-by:
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Deepak R Varma authored
idr_init() uses base 0 which is an invalid identifier. The new function idr_init_base allows IDR to set the ID lookup from base 1. This avoids all lookups that otherwise starts from 0 since 0 is always unused. References: commit 6ce711f2 ("idr: Make 1-based IDRs more efficient") Signed-off-by:
Deepak R Varma <mh12gx2825@gmail.com> Signed-off-by:
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Daniel Vetter authored
We need commit f8f6ae5d ("mm: always have io_remap_pfn_range() set pgprot_decrypted()") to be able to merge Jason's cleanup patch. Signed-off-by:
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Dinghao Liu authored
pm_runtime_get_sync() increments the runtime PM usage counter even when it returns an error code. However, users of its direct wrappers in omapdrm assume that PM usage counter will not change on error. Thus a pairing decrement is needed on the error handling path for these wrappers to keep the counter balanced. Signed-off-by:
Dinghao Liu <dinghao.liu@zju.edu.cn> Signed-off-by:
Tomi Valkeinen <tomi.valkeinen@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200822065743.13671-1-dinghao.liu@zju.edu.cn
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Alexander A. Klimov authored
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by:Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by:
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Wang Xiaojun authored
Use the devm_platform_ioremap_resource_byname() helper instead of calling platform_get_resource_byname() and devm_ioremap_resource() separately. Signed-off-by:
Wang Xiaojun <wangxiaojun11@huawei.com> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘_dsi_print_reset_status’: drivers/gpu/drm/omapdrm/dss/dsi.c:1131:6: warning: variable ‘l’ set but not used [-Wunused-but-set-variable] drivers/gpu/drm/omapdrm/dss/dsi.c: In function ‘dsi_update’: drivers/gpu/drm/omapdrm/dss/dsi.c:3943:10: warning: variable ‘dh’ set but not used [-Wunused-but-set-variable] drivers/gpu/drm/omapdrm/dss/dsi.c:3943:6: warning: variable ‘dw’ set but not used [-Wunused-but-set-variable] Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by:
Lee Jones <lee.jones@linaro.org> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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