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* mm, vmalloc: use __GFP_HIGHMEM implicitlyMichal Hocko2017-05-081-6/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | __vmalloc* allows users to provide gfp flags for the underlying allocation. This API is quite popular $ git grep "=[[:space:]]__vmalloc\|return[[:space:]]*__vmalloc" | wc -l 77 The only problem is that many people are not aware that they really want to give __GFP_HIGHMEM along with other flags because there is really no reason to consume precious lowmemory on CONFIG_HIGHMEM systems for pages which are mapped to the kernel vmalloc space. About half of users don't use this flag, though. This signals that we make the API unnecessarily too complex. This patch simply uses __GFP_HIGHMEM implicitly when allocating pages to be mapped to the vmalloc space. Current users which add __GFP_HIGHMEM are simplified and drop the flag. Link: http://lkml.kernel.org/r/20170307141020.29107-1-mhocko@kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: David Rientjes <rientjes@google.com> Cc: Cristopher Lameter <cl@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'drm-misc-next-2017-04-07' of ↵Dave Airlie2017-04-1113-42/+271
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/git/drm-misc into drm-next Last drm-misc-next pull req for 4.12 Core changes: - fb_helper checkpatch cleanup and simplified _add_one_connector() (Thierry) - drm_ioctl and drm_sysfs improved/gained documentation (Daniel) - [ABI] Repurpose reserved field in drm_event_vblank for crtc_id (Ander) - Plumb acquire ctx through legacy paths to avoid lock_all and legacy_backoff (Daniel) - Add connector_atomic_check to check conn constraints on modeset (Maarten) - Add drm_of_find_panel_or_bridge to remove boilerplate in drivers (Rob) Driver changes: - meson moved to drm-misc (Neil) - Added support for Amlogic GX SoCs in dw-hdmi (Neil) - Rockchip unbind actually cleans up the things bind initializes (Jeffy) - A couple misc fixes in virtio, dw-hdmi NOTE: this also includes a backmerge of drm-next as well rc5 (we needed vmwgfx as well as the new synopsys media formats) * tag 'drm-misc-next-2017-04-07' of git://anongit.freedesktop.org/git/drm-misc: (77 commits) Revert "drm: Don't allow interruptions when opening debugfs/crc" drm: Only take cursor locks when the cursor plane exists drm/vmwgfx: Fix fbdev emulation using legacy functions drm/rockchip: Shutdown all crtcs when unbinding drm drm/rockchip: Reorder drm bind/unbind sequence drm/rockchip: analogix_dp: Disable clock when unbinding drm/rockchip: vop: Unprepare clocks when unbinding drm/rockchip: vop: Enable pm domain before vop_initial drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding drm/rockchip: cdn-dp: Don't try to release firmware when not loaded drm: bridge: analogix: Destroy connector & encoder when unbinding drm: bridge: analogix: Disable clock when unbinding drm: bridge: analogix: Unregister dp aux when unbinding drm: bridge: analogix: Detach panel when unbinding analogix dp drm: Don't allow interruptions when opening debugfs/crc drm/virtio: don't leak bo on drm_gem_object_init failure drm: bridge: dw-hdmi: fix input format/encoding from plat_data drm: omap: use common OF graph helpers drm: convert drivers to use drm_of_find_panel_or_bridge drm: convert drivers to use of_graph_get_remote_node ...
| * drm: of: introduce drm_of_find_panel_or_bridgeRob Herring2017-04-061-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Many drivers have a common pattern of searching the OF graph for either an attached panel or bridge and then finding the DRM struct for the panel or bridge. Also, most drivers need to handle deferred probing when the DRM device is not yet instantiated. Create a common function, drm_of_find_panel_or_bridge, to find the connected node and the associated DRM panel or bridge device. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> [seanpaul dropped extern from drm_of.h] Signed-off-by: Sean Paul <seanpaul@chromium.org>
| * drm: make of_drm_find_panel also depend on CONFIG_DRM_PANELRob Herring2017-04-061-1/+1
| | | | | | | | | | | | | | | | | | For drm_of_find_panel_or_bridge() added in the next commit, an empty version of of_drm_find_panel is needed for !CONFIG_DRM_PANEL. Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Sean Paul <seanpaul@chromium.org>
| * drm/atomic: Add connector atomic_check function, v2.Maarten Lankhorst2017-04-061-0/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The atomic_check function is useful for implementing properties, but it can be used for other connector modeset related checks as well. Similar to plane check functions, on a modeset atomic_check() is always called. Changes since v1: - Make sure atomic_check() is called on any modeset. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1491477543-31257-5-git-send-email-maarten.lankhorst@linux.intel.com
| * drm/atomic: Unify conflicting encoder handling.Maarten Lankhorst2017-04-061-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we use a flag to change behavior in atomic commit whether a conflicting encoder should be enabled or disabled. This is used for the legacy set_config helper, which disables connectors that have a conflicting encoder but not part of the active crtc list. There's no need for this to be handled in atomic commit, it could be done in the set_config helper instead. This will let the atomic check function reject any conflicting encoders, while set_config can disable conflicting crtc's. This makes it possible to recalculate the changed flags in 1 loop. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1491477543-31257-2-git-send-email-maarten.lankhorst@linux.intel.com
| * drm/atomic: Acquire connection_mutex lock in ↵Maarten Lankhorst2017-04-063-0/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drm_helper_probe_single_connector_modes, v4. mode_valid() called from drm_helper_probe_single_connector_modes() may need to look at connector->state because what a valid mode is may depend on connector properties being set. For example some HDMI modes might be rejected when a connector property forces the connector into DVI mode. Some implementations of detect() already lock all state, so we have to pass an acquire_ctx to them to prevent a deadlock. This means changing the function signature of detect() slightly, and passing the acquire_ctx for locking multiple crtc's. For the callbacks, it will always be non-zero. To allow callers not to worry about this, drm_helper_probe_detect_ctx is added which might handle -EDEADLK for you. Changes since v1: - Always set ctx parameter. Changes since v2: - Always take connection_mutex when probing. Changes since v3: - Remove the ctx from intel_dp_long_pulse, and add WARN_ON(!connection_mutex) (danvet) - Update docs to clarify the locking situation. (danvet) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1491504920-4017-1-git-send-email-maarten.lankhorst@linux.intel.com
| * drm: Add acquire ctx to ->gamma_set hookDaniel Vetter2017-04-062-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Atomic helpers really want this instead of the hacked-up legacy backoff trick, which unfortunately prevents drivers from using their own private drm_modeset_locks. Aside: There's a few atomic drivers (nv50, vc4, soon vmwgfx) which don't yet use the new atomic color mgmt/gamma table stuff. Would be nice if they could switch over and just hook up drm_atomic_helper_legacy_gamma_set() instead. Cc: Dave Airlie <airlied@redhat.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Sinclair Yeh <syeh@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Eric Anholt <eric@anholt.net> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-13-daniel.vetter@ffwll.ch
| * drm: Remove drm_modeset_legacy_acquire_ctx and crtc->acquire_ctxDaniel Vetter2017-04-052-11/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | With all the callers of drm_modeset_lock_crtc gone, and all the places it was formerly used properly wiring the acquire ctx through, we can remove this. The only hidden context magic we still have is now the global one. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-4-daniel.vetter@ffwll.ch
| * drm: Remove drm_modeset_(un)lock_crtcDaniel Vetter2017-04-051-1/+0
| | | | | | | | | | | | | | | | | | | | | | The last user, the cursor ioctl, can just open-code this too. We simply have to move the acquire ctx dance from the universal function up into the top-level ioctl handler. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-3-daniel.vetter@ffwll.ch
| * drm: Make drm_modeset_lock_crtc internalDaniel Vetter2017-04-051-2/+0
| | | | | | | | | | | | | | | | | | | | This is only for legacy paths that need to grab the crtc/plane lock combo. If you want to lock a crtc, just use drm_modeset_lock(). Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170403083304.9083-2-daniel.vetter@ffwll.ch
| * drm: document drm_ioctl.[hc]Daniel Vetter2017-04-041-15/+101
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also unify/merge with the existing stuff. I was a bit torn where to put this, but in the end I decided to put all the ioctl/sysfs/debugfs stuff into drm-uapi.rst. That means we have a bit a split with the other uapi related stuff used internally, like drm_file.[hc], but I think overall this makes more sense. If it's too confusing we can always add more cross-links to make it more discoverable. But the auto-sprinkling of links kernel-doc already does seems sufficient. Also for prettier docs and more cross-links, switch the internal defines over to an enum, as usual. v2: Update kerneldoc fro drm_compat_ioctl too (caught by 0day), plus a bit more drive-by polish. v3: Fix typo, spotted by xerpi on irc (Sergi). v4: Add missing space in comment (Neil). Cc: Sergi Granell <xerpi.g.12@gmail.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-4-daniel.vetter@ffwll.ch
| * drm: Consolidate and document sysfs supportDaniel Vetter2017-04-042-8/+5
| | | | | | | | | | | | | | | | | | | | | | - remove docs for internal func, doesn't add value - add short overview snippet instead explaining that drivers don't have to bother themselves with reg/unreg concerns - drop the ttm comment about drmP.h, drmP.h is disappearing ... Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-2-daniel.vetter@ffwll.ch
| * drm: bridge: dw-hdmi: Move HPD handling to PHY operationsNeil Armstrong2017-04-041-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The HDMI TX controller support HPD and RXSENSE signaling from the PHY via it's STAT0 PHY interface, but some vendor PHYs can manage these signals independently from the controller, thus these STAT0 handling should be moved to PHY specific operations and become optional. The existing STAT0 HPD and RXSENSE handling code is refactored into a supplementaty set of default PHY operations that are used automatically when the platform glue doesn't provide its own operations. Reviewed-by: Jose Abreu <joabreu@synopsys.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: http://patchwork.freedesktop.org/patch/msgid/1491309119-24220-2-git-send-email-narmstrong@baylibre.com
| * drm: bridge: dw-hdmi: Switch to V4L bus format and encodingsNeil Armstrong2017-04-041-0/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | Switch code to use the newly introduced V4L bus formats IDs instead of custom defines. Also use the V4L encoding defines. Some display pipelines can only provide non-RBG input pixels to the HDMI TX Controller, this patch takes the pixel format from the plat_data if provided. Reviewed-by: Jose Abreu <joabreu@synopsys.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
* | Backmerge tag 'v4.11-rc6' into drm-nextDave Airlie2017-04-111-1/+4
|\ \ | | | | | | | | | | | | | | | Linux 4.11-rc6 drm-misc needs 4.11-rc5, may as well fix conflicts with rc6.
| * | drm/ttm, drm/vmwgfx: Relax permission checking when opening surfacesThomas Hellstrom2017-03-301-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, when a surface was opened using a legacy (non prime) handle, it was verified to have been created by a client in the same master realm. Relax this so that opening is also allowed recursively if the client already has the surface open. This works around a regression in svga mesa where opening of a shared surface is used recursively to obtain surface information. Cc: <stable@vger.kernel.org> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
* | | Merge branch 'drm-next-4.12' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie2017-04-073-0/+21
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into drm-next A few more things for 4.12: - ttm and amdgpu support for non-contiguous vram CPU mappings - lots of bug fixes and cleanups for vega10 - misc bug fixes and code cleanups [airlied: fix do_div error on 32-bit arm, not sure it's 100% correct] * 'drm-next-4.12' of git://people.freedesktop.org/~agd5f/linux: (58 commits) drm/amdgpu: use uintptr_t instead of unsigned long to store pointer drm/amdgpu: Avoid using signed integer to store pointer value drm/amdgpu:invoke new implemented AI MB func drm/amdgpu/vega10:timeout set to equal with VI drm/amdgpu:implement the reset MB func for vega10 drm/amdgpu:fix typo for mxgpu_ai drm/amdgpu:no need to involv HDP in KIQ drm/amdgpu:add PSP block only load_type=PSP (v2) drm/amdgpu/smu9: update to latest driver interface drm/amd/amdgpu: cleanup gfx_v9_0_gpu_init() drm/amd/amdgpu: cleanup gfx_v9_0_rlc_reset() drm/amd/amdgpu: cleanup gfx_v9_0_rlc_start() drm/amd/amdgpu: simplify gfx_v9_0_cp_gfx_enable() drm/amd/amdgpu: cleanup gfx_v9_0_kiq_init_register() drm/amd/amdgpu: Drop gfx_v9_0_print_status() drm/amd/amdgpu: cleanup gfx_v9_0_set_gfx_eop_interrupt_state() drm/amd/amdgpu: cleanup gfx_v9_0_set_priv_reg_fault_state() drm/amd/amdgpu: cleanup gfx_v9_0_set_priv_inst_fault_state() drm/amd/amdgpu: cleanup gfx_v9_0_init_queue() drm/amdgpu: Move function amdgpu_has_atpx near other similar functions ...
| * | | drm/ttm: add TTM_PL_FLAG_CONTIGUOUS v2Christian König2017-04-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows drivers to specify if they need a contiguous allocation or not. v2: use space instead of tab Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| * | | drm/ttm: add io_mem_pfn callbackChristian König2017-04-042-0/+20
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | This allows the driver to handle io_mem mappings on their own. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* / | drm: Add data transmission order bus flagLaurent Pinchart2017-04-041-0/+4
|/ / | | | | | | | | | | | | | | | | | | | | | | | | The flags indicate whether data is transmitted LSB to MSB or MSB to LSB on the bus. The exact meaning is bus-type dependent. For instance, for LVDS buses the flags indicate whether the seven data bits transmitted in a clock pulse are sent in normal order (MSB to LSB, slots 0 to 6) or reverse order (LSB to MSB, slots 6 to 0). Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Thierry Reding <treding@nvidia.com>
* | Merge tag 'drm-misc-next-2017-03-31' of ↵Dave Airlie2017-04-0323-254/+658
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/git/drm-misc into drm-next drm-misc for 4.12: Core: - Removed some fb subsampling dimension checks from core (Ville) - Some MST slot cleanup (Dhinakaran) - Extracted drm_debugfs.h & drm_ioctl.h from drmP.h (Daniel) - Added drm_atomic_helper_shutdown() to compliment suspend/resume counterparts (Daniel) - Pipe context through legacy modeset to remove legacy_backoff nasties (Daniel) - Cleanups around vblank as well as allowing lockless counter reads (Chris W.) - VGA Switcheroo added to MAINTAINERS with Lukas Wunner as reviewer (Lukas) Drivers: - Enhancements to rockchip driver probe (Jeffy) and dsi (Chris Z.) - Thunderbolt external GPU awareness added (Lukas) * tag 'drm-misc-next-2017-03-31' of git://anongit.freedesktop.org/git/drm-misc: (63 commits) apple-gmux: Don't switch external DP port on 2011+ MacBook Pros drm/nouveau: Don't register Thunderbolt eGPU with vga_switcheroo drm/amdgpu: Don't register Thunderbolt eGPU with vga_switcheroo drm/radeon: Don't register Thunderbolt eGPU with vga_switcheroo PCI: Recognize Thunderbolt devices MAINTAINERS: Add Lukas Wunner as reviewer for vga_switcheroo drm: Fix locking gotcha in page_flip ioctl drm: Clarify the role of plane_state argument to drm_simple update(). drm: Clear e after kfree in drm_mode_page_flip_ioctl drm: Convert cmpxchg(bool) back to a two step operation drm/bridge: ti-tfp410: support hpd via gpio drm: use .hword to represent 16-bit numbers Revert unrelated part of "drm: simplify the locking in the GETCRTC ioctl" drm: Fixup failure paths in drm_atomic_helper_set_config drm: Peek at the current counter/timestamp for vblank queries drm: Refactor vblank sequence number comparison drm: vblank cannot be enabled if dev->irq_enabled is false drm: Mark up accesses of vblank->enabled outside of its spinlock drm: Make the decision to keep vblank irq enabled earlier drm/atomic-helper: Remove the backoff hack from set_config ...
| * | drm: Clarify the role of plane_state argument to drm_simple update().Eric Anholt2017-03-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Like the atomic update hook it's wrapping, the plane_state is the old one, and the new one is in plane->state. Both msxfb and tinydrm use it correctly, but I mistook it for the new state in pl111 due to its naming. Signed-off-by: Eric Anholt <eric@anholt.net> Link: http://patchwork.freedesktop.org/patch/msgid/20170320233615.5242-3-eric@anholt.net Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| * | drm: Add acquire ctx parameter to ->set_configDaniel Vetter2017-03-293-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Surprisingly a lot of legacy drivers roll their own, for runtime pm and because vmwgfx. Also make nouveau's set_config static while at it. Cc: Sinclair Yeh <syeh@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-19-daniel.vetter@ffwll.ch
| * | drm: Add acquire ctx parameter to ->page_flip(_target)Daniel Vetter2017-03-292-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Again just going through the motions, no functional changes in here. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Eric Anholt <eric@anholt.net> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>t Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-12-daniel.vetter@ffwll.ch
| * | drm: Add acquire ctx parameter to ->plane_disableDaniel Vetter2017-03-293-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nouveau had a few direct calls to ->disable_plane, I replaced those with drm_plane_force_disable. Same story for shmob. Otherwise no code changes. Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-5-daniel.vetter@ffwll.ch
| * | drm: Add acquire ctx parameter to ->update_planeDaniel Vetter2017-03-293-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just rolling it out, no code change here. Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Rob Clark <robdclark@gmail.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Eric Anholt <eric@anholt.net> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-3-daniel.vetter@ffwll.ch
| * | drm: document the all the atomic iteratorsDaniel Vetter2017-03-291-1/+158
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mostly because I want the links from the newly-added @state functions to work. But I think explaining when they're useful and that the implicit one is deprecated is good either way. Slightly repetitive unfortunately. Cc: Harry Wentland <harry.wentland@amd.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170328155349.5972-3-daniel.vetter@ffwll.ch
| * | drm: Document kms locking a bit betterDaniel Vetter2017-03-294-34/+152
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The rules are getting real hard, better to dump my brain into text a bit. This is by far not complete, but I think I reasonable start at least. Some of the older kms structures would need a full doc review anyway ... Cc: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170328155349.5972-2-daniel.vetter@ffwll.ch
| * | drm: Add description for scdc variableShashank Sharma2017-03-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds description about 'scdc' variable in drm_hdmi_info structure, to fix this warning during doc-build. "drm_connector.h:140: warning: No description found for parameter 'scdc'" V2: Rebase V3: Added extra * V4: Removed merged conflict V5: Removed extra line at start of structure (Daniel) V6: Make description single line (Daniel) Cc: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Shashank Sharma <shashank.sharma@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1490684779-21633-1-git-send-email-shashank.sharma@intel.com
| * | drm/atomic: Introduce drm_atomic_helper_shutdownDaniel Vetter2017-03-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The trouble here is that it does multiple atomic commits under one drm_modeset_lock_all, which breaks the behind-the-scenes acquire context magic that function pulls off. It's much better to have one overall atomic commit. That we still have multiple atomic commits prevents us from adding some pretty useful debug checks to the atomic machinery. Hence it is really a bad idea to call the legacy drm_crtc_force_disable_all() function. There's 2 atomic drivers using this still, nouveau and tinydrm. To fix this, introduce a new drm_atomic_helper_shutdown() by extracting the code from i915. While at it improve kernel-doc and catch future offenders by sprinkling a WARN_ON into the legacy function. We should probably move those into the legacy modeset helpers, too ... v2: Make it compile on arm drivers too (Noralf). v3: Correct kerneldoc to point at _disable_all(). Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by: Noralf Trønnes <noralf@tronnes.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Noralf Trønnes <noralf@tronnes.org> Cc: Ben Skeggs <bskeggs@redhat.com> Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170321164149.31531-1-daniel.vetter@ffwll.ch
| * | drm/tinydrm: Fix drm_driver.fops.ownerNoralf Trønnes2017-03-271-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drm_driver.fops can't be shared since the owner then becomes tinydrm.ko. Move the fops declaration to the driver. v2: Use DEFINE_DRM_GEM_CMA_FOPS Reported-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170326142529.16938-1-noralf@tronnes.org
| * | drm/vblank: Remove DRM_VBLANKTIME_IN_VBLANKDaniel Vetter2017-03-251-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | The core code doesn't care at all about this, it's entirely dead. Cc: Mario Kleiner <mario.kleiner@tuebingen.mpg.de> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-11-daniel.vetter@ffwll.ch
| * | drm: Extract drm_ioctl.hDaniel Vetter2017-03-252-60/+103
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To match the drm_ioctl.c we already have. v2: Remove spurious space (Ville). Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
| * | drm/debugfs: Add kerneldocDaniel Vetter2017-03-241-7/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've decided to not document drm_debugfs_remove_files, it's on the way out. The biggest part is a huge todo.rst entry with what all should be improved. v2: Nits from Gabriel. Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk> Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170322205401.24897-1-daniel.vetter@ffwll.ch
| * | drm: document driver interface for CRC capturingDaniel Vetter2017-03-241-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was missed in Tomeu's patch. Also remove the kerneldoc for the internal function, we don't document that in general. While at it word-smith the docs slightly for more clarity. Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-4-daniel.vetter@ffwll.ch
| * | drm: Extract drm_debugfs.hDaniel Vetter2017-03-242-43/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Doc polish will follow in the next patch. v2: Put the include guard #endif at the end (Ville). Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170322205336.24549-1-daniel.vetter@ffwll.ch
| * | drm: drop extern from function declsDaniel Vetter2017-03-249-85/+85
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's the default storage class for functions, entirely redundant. And a lot of these headers are a bit inconsistent due to organically grown. Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-2-daniel.vetter@ffwll.ch
| * | drm/scdc: declare drm_scdc_get_scrambling_statusJani Nikula2017-03-231-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix sparse warning: drivers/gpu/drm/drm_scdc_helper.c:138:6: warning: symbol 'drm_scdc_get_scrambling_status' was not declared. Should it be static? Fixes: 62c58af32c93 ("drm/edid: detect SCDC support in HF-VSDB") Cc: Shashank Sharma <shashank.sharma@intel.com> Reviewed-by: Shashank Sharma <shashank.sharma@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1490193218-24806-1-git-send-email-jani.nikula@intel.com
| * | Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux into ↵Daniel Vetter2017-03-232-1/+67
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drm-misc-next Resync with drm-next, I have a patch which currently can't be applied because drm-misc-next lacked the latest drm/i915 code. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
| * | | drm/dp: Split drm_dp_mst_allocate_vcpiPandiyan, Dhinakaran2017-03-221-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drm_dp_mst_allocate_vcpi() apart from setting up the vcpi structure, also finds if there are enough slots available. This check is a duplicate of that implemented in drm_dp_mst_find_vcpi_slots(). Let's move this check out and reuse the existing drm_dp_mst_find_vcpi_slots() function to check if there are enough vcpi slots before allocating them. This brings the check to one place. Additionally drivers that will use MST state tracking for atomic modesets can use the atomic version of find_vcpi_slots() and reuse drm_dp_mst_allocate_vcpi() Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1489648231-30700-4-git-send-email-dhinakaran.pandiyan@intel.com
| * | | drm/dp: Kill unused MST vcpi slot availability trackingPandiyan, Dhinakaran2017-03-221-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The avail_slots member in the MST topology manager is never updated to reflect the available vcpi slots. The check is effectively against total slots, 63. So, let's make that check obvious and remove avail_slots. While at it, make debug messages more descriptive. Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Archit Taneja <architt@codeaurora.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Harry Wentland <Harry.wentland@amd.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1489648231-30700-3-git-send-email-dhinakaran.pandiyan@intel.com
| * | | drm/dp: Kill total_pbn and total_slots in struct drm_dp_mst_topology_mgrPandiyan, Dhinakaran2017-03-221-8/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The total vcpi time slots is always 63 and does not depend on the link BW, remove total_slots from MST topology manager struct. The next change is to remove total_pbn which is hardcoded to 2560. The total PBN that the topology manager allocates from depends on the link rate and is not a constant. So, fix this by removing the total_pbn member itself. Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Archit Taneja <architt@codeaurora.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Harry Wentland <Harry.wentland@amd.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1489648231-30700-2-git-send-email-dhinakaran.pandiyan@intel.com
| * | | drm: Add mode_config .get_format_info() hookVille Syrjälä2017-03-222-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow drivers to return a custom drm_format_info structure for special fb layouts. We'll use this for the compression control surface in i915. v2: Fix drm_get_format_info() kernel doc (Laurent) Don't pass 'dev' to the new hook (Laurent) v3: s/compresssion/compression/ (Ben) Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Ben Widawsky <ben@bwidawsk.net> Cc: Jason Ekstrand <jason@jlekstrand.net> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Link: http://patchwork.freedesktop.org/patch/msgid/20170321181218.10042-4-ville.syrjala@linux.intel.com
* | | | drm/ttm: decrease ttm bo priority numberRoger.He2017-03-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | decrease and also reserve priority number for KFD using Signed-off-by: Roger.He <Hongbo.He@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* | | | drm/ttm: add ttm_bo_init_reservedNicolai Hähnle2017-03-291-0/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This variant of ttm_bo_init returns the validated buffer object with the reservation lock held when resv == NULL. This is convenient for callers that want to use the BO immediately, e.g. for initializing its contents. Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* | | | drm/ttm: fix the documentation of ttm_bo_initNicolai Hähnle2017-03-291-1/+5
| |/ / |/| | | | | | | | | | | | | | | | | | | | | | | As the comment says: callers of ttm_bo_init cannot rely on having the only reference to the BO when the function returns successfully. Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* | | Merge tag 'drm-misc-next-2017-03-21' of ↵Dave Airlie2017-03-237-34/+578
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/git/drm-misc into drm-next drm-misc for 4.12, 2nd attempt this week: - topic branch from Jon Corbet for the new graph kerneldoc support - lots of graphs for kms/atomic things using the above - some vblank query tuning from Chris - gem/cma_fops macros - moar docs Driver stuff: - vc4 hdmi audio, yay (Eric) - dw-hdmi polish from a bunch of people - some rockchip dp updates that didn't make last week (Chris Zhong) - misc bridge&driver updates * tag 'drm-misc-next-2017-03-21' of git://anongit.freedesktop.org/git/drm-misc: (37 commits) drm/edid: detect SCDC support in HF-VSDB drm/edid: detect SCDC support in HF-VSDB drm/edid: check for HF-VSDB block drm: Add SCDC helpers drm: bridge: dw-hdmi: add HDMI vendor specific infoframe config drm/bridge: dw_hdmi: support i2c extended read mode drm/msm: add stubs for msm_{perf,rd}_debugfs_cleanup drm: bochs: Don't remove uninitialized fbdev framebuffer drm: vc4: remove redundant check of plane being non-null drm/vc4: use platform_register_drivers dma-fence: add dma_fence_match_context helper drm/vc4: Add HDMI audio support dt-bindings: Document the dmas and dma-names properties for VC4 HDMI drm/atmel-hlcdc: Fix suspend/resume implementation drm: Skip the waitqueue setup for vblank queries drm: Defer disabling the vblank IRQ until the next interrupt (for instant-off) drm/doc: atomic overview, with graph drm/doc: diagram for mode objects and properties drm/doc: Consistent kerneldoc include order drm/doc: Add KMS overview graphs ...
| * | drm/edid: detect SCDC support in HF-VSDBShashank Sharma2017-03-213-1/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch does following: - Adds a new structure (drm_hdmi_info) in drm_display_info. This structure will be used to save and indicate if sink supports advanced HDMI 2.0 features - Adds another structure drm_scdc within drm_hdmi_info, to reflect scdc support and capabilities in connected HDMI 2.0 sink. - Checks the HF-VSDB block for presence of SCDC, and marks it in scdc structure - If SCDC is present, checks if sink is capable of generating SCDC read request, and marks it in scdc structure. V2: Addressed review comments Thierry: - Fix typos in commit message and make abbreviation consistent across the commit message. - Change structure object name from hdmi_info -> hdmi - Fix typos and abbreviations in description of structure drm_hdmi_info end the description with a full stop. - Create a structure drm_scdc, and keep all information related to SCDC register set (supported, read request supported) etc in it. Ville: - Change rr -> read_request - Call drm_detect_scrambling function drm_parse_hf_vsdb so that all of HF-VSDB parsing can be kept in same function, in incremental patches. V3: Rebase. V4: Rebase. V5: Rebase. V6: Addressed review comments from Ville - Add clock rate calculations for 1/10 and 1/40 ratios - Remove leftovers from old patchset V7: Added R-B from Jose. V8: Rebase. V9: Rebase. V10: Rebase. Signed-off-by: Shashank Sharma <shashank.sharma@intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1489404244-16608-5-git-send-email-shashank.sharma@intel.com
| * | drm/edid: detect SCDC support in HF-VSDBShashank Sharma2017-03-211-0/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch does following: - Adds a new structure (drm_hdmi_info) in drm_display_info. This structure will be used to save and indicate if sink supports advanced HDMI 2.0 features - Adds another structure drm_scdc within drm_hdmi_info, to reflect scdc support and capabilities in connected HDMI 2.0 sink. - Checks the HF-VSDB block for presence of SCDC, and marks it in scdc structure - If SCDC is present, checks if sink is capable of generating SCDC read request, and marks it in scdc structure. V2: Addressed review comments Thierry: - Fix typos in commit message and make abbreviation consistent across the commit message. - Change structure object name from hdmi_info -> hdmi - Fix typos and abbreviations in description of structure drm_hdmi_info end the description with a full stop. - Create a structure drm_scdc, and keep all information related to SCDC register set (supported, read request supported) etc in it. Ville: - Change rr -> read_request - Call drm_detect_scrambling function drm_parse_hf_vsdb so that all of HF-VSDB parsing can be kept in same function, in incremental patches. V3: Rebase. V4: Rebase. V5: Rebase. V6: Rebase. V7: Added R-B from Jose. V8: Rebase. V9: Rebase. V10: Rebase. Signed-off-by: Shashank Sharma <shashank.sharma@intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1489404244-16608-4-git-send-email-shashank.sharma@intel.com
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 04:57:24 +0000