- 12 Oct, 2020 2 commits
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Ville Syrjälä authored
When the number of potential color planes grew to 4 we stopped setting all unused color plane offsets to ~0xfff. The code still tries to do this, but actually does nothing since the loop limits are bogus. skl_check_main_surface() actually depends on this ~0xfff behaviour as it will make sure to move the main surface offset below the aux surface offset because the hardware AUX_DIST must be a non-negative value [1], and for simplicity it doesn't bother checking if the AUX plane is actually needed or not. So currently it may end up shuffling the main surface around based on some stale leftover AUX offset. The skl+ plane code also just blindly calculates the AUX_DIST whether or not the AUX plane is actually needed by the hw or not, and that too will now potentially use some stale AUX surface offset in the calculation. Would seem nicer to guarantee a consistent non-negative AUX_DIST always. So bring back the original ~0xfff offset behaviour for unused color planes. Though it doesn't seem super likely that this inconsistency would cause any real issues. Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com> Fixes: 2dfbf9d2 ("drm/i915/tgl: Gen-12 display can decompress surfaces compressed by the media engine") Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201008101608.8652-1-ville.syrjala@linux.intel.comReviewed-by:
Imre Deak <imre.deak@intel.com> (cherry picked from commit 79148ce4) Signed-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com>
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Ville Syrjälä authored
The HDMI vs. not-HDMI check got inverted whem the bogus encoder->type checks were eliminated. So now we're using 0 as the link rate on DP and potentially non-zero on HDMI, which is exactly the opposite of what we want. The original bogus check actually worked more correctly by accident since if would always evaluate to true. Due to this we now always use the RBR/HBR1 vswing table and never ever the HBR2+ vswing table. That is probably not a good way to get a high quality signal at HBR2+ rates. Fix the check so we pick the right table. Cc: stable@vger.kernel.org Cc: Vandita Kulkarni <vandita.kulkarni@intel.com> Cc: Uma Shankar <uma.shankar@intel.com> Fixes: 94641eb6 ("drm/i915/display: Fix the encoder type check") Signed-off-by:
José Roberto de Souza <jose.souza@intel.com> Reviewed-by:
Vandita Kulkarni <vandita.kulkarni@intel.com> (cherry picked from commit 945b18fb) Signed-off-by:
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- 30 Sep, 2020 14 commits
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Chris Wilson authored
Be consistent and use unsigned long throughout the chunk copies to avoid the inherent clumsiness of mixing integer types of different widths and signs. Failing to take acount of a wider unsigned type when using min_t can lead to treating it as a negative, only for it flip back to a large unsigned value after passing a boundary check. Fixes: ed13033f ("drm/i915/cmdparser: Only cache the dst vmap") Testcase: igt/gen9_exec_parse/bb-large Reported-by:
"Candelaria, Jared" <jared.candelaria@intel.com> Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: "Candelaria, Jared" <jared.candelaria@intel.com> Cc: "Bloomfield, Jon" <jon.bloomfield@intel.com> Cc: <stable@vger.kernel.org> # v4.9+ Reviewed-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200928215942.31917-1-chris@chris-wilson.co.uk (cherry picked from commit b7eeb2b4) Signed-off-by:
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Chris Wilson authored
Verify that if a context is active at the time it is closed, that it is either persistent and preemptible (with hangcheck running) or it shall be removed from execution. Fixes: 9a40bddd ("drm/i915/gt: Expose heartbeat interval via sysfs") Testcase: igt/gem_ctx_persistence/heartbeat-close Signed-off-by:
Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by:
Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200928221510.26044-3-chris@chris-wilson.co.uk (cherry picked from commit d3bb2f9b) Signed-off-by:
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Chris Wilson authored
Currently, we check we can send a pulse prior to disabling the heartbeat to verify that we can change the heartbeat, but since we may re-evaluate execution upon changing the heartbeat interval we need another pulse afterwards to refresh execution. v2: Tvrtko asked if we could reduce the double pulse to a single, which opened up a discussion of how we should handle the pulse-error after attempting to change the property, and the desire to serialise adjustment of the property with its validating pulse, and unwind upon failure. Fixes: 9a40bddd ("drm/i915/gt: Expose heartbeat interval via sysfs") Signed-off-by:
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Chris Wilson authored
We only allow persistent requests to remain on the GPU past the closure of their containing context (and process) so long as they are continuously checked for hangs or allow other requests to preempt them, as we need to ensure forward progress of the system. If we allow persistent contexts to remain on the system after the the hangcheck mechanism is disabled, the system may grind to a halt. On disabling the mechanism, we sent a pulse along the engine to remove all executing contexts from the engine which would check for hung contexts -- but we did not prevent those contexts from being resubmitted if they survived the final hangcheck. Fixes: 9a40bddd ("drm/i915/gt: Expose heartbeat interval via sysfs") Testcase: igt/gem_ctx_persistence/heartbeat-stop Signed-off-by:
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Chris Wilson authored
We have to be very careful while walking the timeline->requests list under the RCU guard, as the requests (and so rq->link) use SLAB_TYPESAFE_BY_RCU and so the requests may be reallocated within an rcu grace period. As the requests are reallocated, they are removed from one list and placed on another, and if we are iterating over that request at that moment, the list iteration jumps from one list to the next and promptly gets confused. Verify we hold the request reference to ensure that the request is not added to a new list behind our backs. <4> [582.745252] general protection fault, probably for non-canonical address 0xcccccccccccccd5c: 0000 [#1] PREEMPT SMP PTI <4> [582.745297] CPU: 0 PID: 1475 Comm: gem_ctx_persist Not tainted 5.9.0-rc1-CI-CI_DRM_8908+ #1 <4> [582.745304] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018 <4> [582.745317] RIP: 0010:__lock_acquire+0x2c3/0x1f40 <4> [582.745323] Code: 00 65 8b 05 c7 8a ef 7e 85 c0 0f 85 b4 07 00 00 44 8b 9d c4 08 00 00 45 85 db 0f 84 0f 01 00 00 ba 05 00 00 00 e9 c8 06 00 00 <48> 81 3f c0 89 c7 82 b8 00 00 00 00 41 0f 45 c0 83 fe 01 41 89 c3 <4> [582.745334] RSP: 0018:ffffc9000461bc40 EFLAGS: 00010002 <4> [582.745340] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 <4> [582.745345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: cccccccccccccd5c <4> [582.745350] RBP: ffff8881ec4a2880 R08: 0000000000000001 R09: 0000000000000001 <4> [582.745356] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 <4> [582.745361] R13: 0000000000000000 R14: 0000000000000000 R15: cccccccccccccd5c <4> [582.745367] FS: 00007fb44da78e40(0000) GS:ffff888278000000(0000) knlGS:0000000000000000 <4> [582.745373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4> [582.745378] CR2: 00007fb44daad040 CR3: 0000000268428000 CR4: 0000000000350ef0 <4> [582.745383] Call Trace: <4> [582.745390] ? __lock_acquire+0x913/0x1f40 <4> [582.745397] lock_acquire+0xb5/0x3c0 <4> [582.745526] ? kill_engines+0x19a/0x4b0 [i915] <4> [582.745533] ? find_held_lock+0x2d/0x90 <4> [582.745541] _raw_spin_lock_irq+0x30/0x40 <4> [582.745635] ? kill_engines+0x19a/0x4b0 [i915] <4> [582.745727] kill_engines+0x19a/0x4b0 [i915] <4> [582.745820] context_close+0x195/0x410 [i915] <4> [582.745912] i915_gem_context_close+0x5b/0x160 [i915] <4> [582.745994] i915_driver_postclose+0x14/0x40 [i915] <4> [582.746003] drm_file_free.part.13+0x240/0x290 <4> [582.746009] drm_release_noglobal+0x16/0x50 <4> [582.746016] __fput+0xa5/0x250 <4> [582.746021] task_work_run+0x6e/0xb0 <4> [582.746028] exit_to_user_mode_prepare+0x178/0x180 <4> [582.746034] syscall_exit_to_user_mode+0x36/0x220 <4> [582.746040] entry_SYSCALL_64_after_hwframe+0x44/0xa9 <4> [582.746045] RIP: 0033:0x7fb44d1dc421 <4> [582.746050] Code: f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 8b 05 ea cf 20 00 85 c0 75 16 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 3f f3 c3 0f 1f 44 00 00 53 89 fb 48 83 ec 10 <4> [582.746062] RSP: 002b:00007ffed2e83818 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 <4> [582.746069] RAX: 0000000000000000 RBX: 0000556410bfe840 RCX: 00007fb44d1dc421 <4> [582.746075] RDX: 000000000000000a RSI: 00000000c0406469 RDI: 0000000000000008 <4> [582.746080] RBP: 0000000000000008 R08: 00007fb44d1c51cc R09: 00007fb44d1c5240 <4> [582.746086] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000fffffffb <4> [582.746091] R13: 0000000000000006 R14: 0000000000000000 R15: 000000000000000a <4> [582.746099] Modules linked in: vgem mei_hdcp snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio btusb btrtl btbcm btintel x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul bluetooth ghash_clmulni_intel ecdh_generic ecc i915 r8169 realtek mei_me mei snd_hda_intel i2c_hid snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core snd_pcm pinctrl_geminilake pinctrl_intel prime_numbers [last unloaded: test_drm_mm] Fixes: 736e785f ("drm/i915/gem: Reduce context termination list iteration guard to RCU") Signed-off-by:
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Chris Wilson authored
The reordering and rebasing of commit 2e4c6c1a ("drm/i915: Remove i915_request.lock requirement for execution callbacks") caused it to revert an earlier correction. Let us restore commit 99f0a640d464 ("drm/i915: Remove requirement for holding i915_request.lock for breadcrumbs") Fixes: 2e4c6c1a ("drm/i915: Remove i915_request.lock requirement for execution callbacks") Signed-off-by:
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Chris Wilson authored
Since the debugfs may peek into the GEM contexts as the corresponding client/fd is being closed, we may try and follow a dangling pointer. However, the context closure itself is serialised with the ctx->mutex, so if we hold that mutex as we inspect the state coupled in the context, we know the pointers within the context are stable and will remain valid as we inspect their tables. Signed-off-by:
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Matthew Auld authored
If we are really unlucky and encounter an error during i915_vm_alloc_pt_stash, we end up passing an empty pt/pd stash all the way down into the low-level ppgtt alloc code, leading to explosions, since it expects at least the required number of pt/pd for the va range. [ 211.981418] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 211.981421] #PF: supervisor read access in kernel mode [ 211.981422] #PF: error_code(0x0000) - not-present page [ 211.981424] PGD 80000008439cb067 P4D 80000008439cb067 PUD 84a37f067 PMD 0 [ 211.981427] Oops: 0000 [#1] SMP PTI [ 211.981428] CPU: 1 PID: 1301 Comm: i915_selftest Tainted: G U I 5.9.0-rc5+ #3 [ 211.981430] Hardware name: /NUC6i7KYB, BIOS KYSKLi70.86A.0050.2017.0831.1924 08/31/2017 [ 211.981521] RIP: 0010:__gen8_ppgtt_alloc+0x1ed/0x3c0 [i915] [ 211.981523] Code: c1 48 c7 c7 5d 5d fe c0 65 ff 0d ee 1d 03 3f e8 d9 91 1f e2 8b 55 c4 31 c0 48 8b 75 b8 85 d2 0f 95 c0 48 8b 1c c6 48 89 45 98 <48> 8b 03 48 8b 90 58 02 00 00 48 85 d2 0f 84 07 ea 15 00 48 81 fa [ 211.981526] RSP: 0018:ffffba2cc0eb3970 EFLAGS: 00010202 [ 211.981527] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000004 [ 211.981529] RDX: 0000000000000002 RSI: ffff9be998bdb8c0 RDI: ffff9be99c844300 [ 211.981530] RBP: ffffba2cc0eb39d8 R08: 0000000000000640 R09: ffff9be97cdfd000 [ 211.981531] R10: ffff9be97cdfd614 R11: 0000000000000000 R12: 0000000000000000 [ 211.981532] R13: ffff9be98607ba20 R14: ffff9be995a0b400 R15: ffffba2cc0eb39e8 [ 211.981534] FS: 00007f0f10b31000(0000) GS:ffff9be99fc40000(0000) knlGS:0000000000000000 [ 211.981536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 211.981538] CR2: 0000000000000000 CR3: 000000084d74e006 CR4: 00000000003706e0 [ 211.981539] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 211.981541] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 211.981542] Call Trace: [ 211.981609] gen8_ppgtt_alloc+0x79/0x90 [i915] [ 211.981678] ppgtt_bind_vma+0x36/0x80 [i915] [ 211.981756] __vma_bind+0x39/0x40 [i915] [ 211.981818] fence_work+0x21/0x98 [i915] [ 211.981879] fence_notify+0x8d/0x128 [i915] [ 211.981939] __i915_sw_fence_complete+0x62/0x240 [i915] [ 211.982018] i915_vma_pin_ww+0x1ee/0x9c0 [i915] Fixes: cd0452aa ("drm/i915: Preallocate stashes for vma page-directories") Signed-off-by:
Matthew Auld <matthew.auld@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:
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Maarten Lankhorst authored
In case backoff fails with an error, we return an undefined rq, assign err to rq correctly. Fixes: 8a929c9e ("drm/i915: Use ww pinning for intel_context_create_request()") Signed-off-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200918111208.1392128-1-maarten.lankhorst@linux.intel.comReviewed-by:
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Chris Wilson authored
As the error capture will compress user buffers as directed to by the user, it can take an arbitrary amount of time and space. Break up the compression loops with a call to cond_resched(), that will allow other processes to schedule (avoiding the soft lockups) and also serve as a warning should we try to make this loop atomic in the future. Testcase: igt/gem_exec_capture/many-* Signed-off-by:
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Dan Carpenter authored
This code should use "vma[1]" instead of "vma". The "vma" variable is a valid pointer. Fixes: 6b050304 ("drm/i915: Convert i915_gem_object/client_blt.c to use ww locking as well, v2.") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
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Chris Wilson authored
If we create a new node, it is possible for the slab allocator to return us a recently freed node. If that node was just retired, it will retain the current jiffy as its node->age. There is then a miniscule window, where as that node is retired, it will appear on the free list with an incorrect age and be eligible for reuse by one thread, and then by a second thread as the correct node->age is written. Fixes: 06b73c2d ("drm/i915/gt: Delay taking the spinlock for grabbing from the buffer pool") Signed-off-by:
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Chris Wilson authored
Let's not try and use PAT attributes for I915_MAP_WC if the CPU doesn't support PAT. Fixes: 6056e500 ("drm/i915/gem: Support discontiguous lmem object maps") Signed-off-by:
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Chris Wilson authored
On 32b, highmem using a finite set of indirect PTE (i.e. vmap) to provide virtual mappings of the high pages. As these are finite, map_new_virtual() must wait for some other kmap() to finish when it runs out. If we map a large number of objects, there is no method for it to tell us to release the mappings, and we deadlock. However, if we make an explicit vmap of the page, that uses a larger vmalloc arena, and also has the ability to tell us to release unwanted mappings. Most importantly, it will fail and propagate an error instead of waiting forever. Fixes: fb8621d3 ("drm/i915: Avoid allocating a vmap arena for a single page") #x86-32 References: e87666b5 ("drm/i915/shrinker: Hook up vmap allocation failure notifier") Signed-off-by:
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- 28 Sep, 2020 1 commit
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Ville Syrjälä authored
Previously intel_dump_pipe_config() used to dump the full crtc state whether or not the crtc was logically enabled or not. As that meant occasionally dumping confusing stale garbage I changed it to check whether the crtc is logically enabled or not. However I did not realize that the state checker readout code does not populate crtc_state.hw.{active,enabled}. Hence the state checker dump would only give us a full dump of the sw state but not the hw state. Fix that by populating those bits of the hw state as well. Reviewed-by:Uma Shankar <uma.shankar@intel.com> Fixes: 10d75f54 ("drm/i915: Fix plane state dumps") Signed-off-by:
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- 27 Sep, 2020 1 commit
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Julia Lawall authored
Replace commas with semicolons. What is done is essentially described by the following Coccinelle semantic patch (http://coccinelle.lip6.fr/): // <smpl> @@ expression e1,e2; @@ e1 -, +; e2 ... when any // </smpl> Signed-off-by:
Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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- 22 Sep, 2020 22 commits
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git://anongit.freedesktop.org/drm/drm-miscDave Airlie authored
drm-misc-next for 5.10: UAPI Changes: Cross-subsystem Changes: - virtio: Merged a PR for patches that will affect drm/virtio Core Changes: - dev: More devm_drm convertions and removal of drm_dev_init - atomic: Split out drm_atomic_helper_calc_timestamping_constants of drm_atomic_helper_update_legacy_modeset_state - ttm: More rework Driver Changes: - i915: selftests improvements - panfrost: support for Amlogic SoC - vc4: one fix - tree-wide: conversions to devm_drm_dev_alloc, - ast: simplifications of the atomic modesetting code - panfrost: multiple fixes - vc4: multiple fixes Signed-off-by: -
git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
amd-drm-next-5.10-2020-09-18: amdgpu: - Support for PCIe DPC recovery - Sienna Cichlid updates - Navy Flounder updates - RAS fixes - Refactor DC interrupt handling - Display fixes - Fix issues with OLED panels - Mclk fixes for navi1x - Watermark fixes for renoir and raven2 - Misc code cleanups - Misc bug fixes amdkfd: - Fix a memory leak - Fix a crach in GPU reset - Add process eviction counters radeon: - expose sclk via sysfs hwmon interface - Revert bad PLL fix scheduler: - Kernel doc fixes Signed-off-by:
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git://anongit.freedesktop.org/drm/drm-intelDave Airlie authored
Driver Changes: - Reduce INTEL_DISPLAY_ENABLED to just removed outputs treating it as disconnected (Ville) - Introducing new AUX, DVO, and TC ports and refactoring code around hot plug interrupts for those. (Ville) - Centralize PLL_ENABLE register lookup (Anusha) - Improvements around DP downstream facing ports (DFP). (Ville) - Enable YCbCr 444->420 conversion for HDMI DFPs. Ville - Remove the old global state on Display's atomic modeset (Ville) - Nuke force_min_cdclk_changed (Ville) - Extend a TGL W/A to all SKUs and to RKL (Swathi) Signed-off-by:
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Dave Airlie authored
Merge tag 'cdns-mhdp-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next Cadence MHDP8546 DisplayPort bridge driver Signed-off-by:
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Dave Airlie authored
Merge tag 'exynos-drm-next-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next Two cleanups - Simply use dev_err_probe() instead of returning -EPROBE_DEFER. - Drop drm_parms allocation and deallocation code which aren't needed. Signed-off-by:
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ssh://git.freedesktop.org/git/tegra/linuxDave Airlie authored
drm/tegra: Changes for v5.10-rc1 This is a handful of patches that add bridge support for Tegra devices and fix a couple of minor issues. Signed-off-by:
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git://linuxtv.org/pinchartl/mediaDave Airlie authored
Miscellaneous R-Car display driver changes: - R8A7742, R8A774E1 and R8A77961 support - Fixes for pitch of YUV planar formats, non-visible plane handling and VSP device reference count - Kconfig fix to avoid displaying disabled options in .config Signed-off-by:
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Laurent Pinchart authored
The reference to the VSP device acquired with of_find_device_by_node() in rcar_du_vsp_init() is never released. Fix it with a drmm action, which gets run both in the probe error path and in the remove path. Fixes: 6d62ef3a ("drm: rcar-du: Expose the VSP1 compositor through KMS planes") Reported-by:
Yu Kuai <yukuai3@huawei.com> Reviewed-by:
Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by:
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Lad Prabhakar authored
The rcar_dw_hdmi driver is also used on Renesas RZ/G2 SoCs. Update the Kconfig entry description to reflect this. Signed-off-by:
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by:
Chris Paterson <Chris.Paterson2@renesas.com> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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Laurent Pinchart authored
The DU driver handles non-visible planes (fully clipped by the display's boundaries) by considering them as disabled. It thus disables the plane at the hardware level when the plane is moved off-screen. However, if the plane was previously disabled and is non-visible when it gets enabled, the attempt to disable it crashes, as the plane wasn't previously enabled. Fix it. Signed-off-by:
Kieran Bingham <kieran.bingham@ideasonboard.com>
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Laurent Pinchart authored
When creating a frame buffer, the driver verifies that the pitches for the chroma planes match the luma plane. This is done incorrectly for fully planar YUV formats, without taking horizontal subsampling into account. Fix it. Signed-off-by:
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Kuninori Morimoto authored
This patch adds R-Car M3-W+ (R8A77961) support which is compatible with the R-Car M3-W (R8A77960). Signed-off-by:
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by:
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Kuninori Morimoto authored
This patch adds R-Car M3-W+ (R8A77961) SoC bindings. Signed-off-by:
Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Kuninori Morimoto authored
The DT example erronously uses the "renesas,r8a7795-dw-hdmi", when the correct value is "renesas,r8a7795-hdmi". It is furthermore missing the generic "renesas,rcar-gen3-hdmi" compatible string. Fix it. Signed-off-by:
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Kuninori Morimoto authored
Document the R-Car M3-W+ (R8A77961) SoC in the R-Car DU bindings. Signed-off-by:
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Marian-Cristian Rotariu authored
The LVDS encoder on RZ/G2H (R8A774E1) SoC is identical to R-Car Gen3 so just reuse the rcar_lvds_gen3_info structure to hookup R8A774E1 to LVDS encoder driver. Signed-off-by:
Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Signed-off-by:
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Marian-Cristian Rotariu authored
Document RZ/G2H (R8A774E1) SoC bindings. Signed-off-by:
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Marian-Cristian Rotariu authored
Document the RZ/G2H (R8A774E1) LVDS bindings. Signed-off-by:
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Marian-Cristian Rotariu authored
Hookup RZ/G2H (R8A774E1) to DU driver. R8A774E1 has one RGB output, one LVDS output and one HDMI output. Signed-off-by:
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Marian-Cristian Rotariu authored
Document the RZ/G2H (a.k.a. r8a774e1) SoC in the R-Car DU bindings. Signed-off-by:
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Biju Das authored
Add the support for enabling optional regulator that may be used as VCC source. Signed-off-by:
Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by:
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Biju Das authored
Document optional power-supply property that may be used to specify the regulator powering up the device. Signed-off-by:
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