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drm-misc-next for 5.13:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- mst: Improve topology logging
- edid: Rework and improvements for displayid
Driver Changes:
- anx7625: Regulators support
- bridge: Support for the Chipone ICN6211, Lontium LT8912B
- lt9611: Fix 4k panels handling
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210401110552.2b3yetlgsjtlotcn@gilmour
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Motivated by the pre-review process for i915 gem/gt features, but
probably useful in general for complex stuff.
v2: Add reminder to not forget userspace projects in the discussion
(Simon, Jason)
v3: Actually put this into a folder, so we have it all (.rst files and
headers for kerneldoc) contained somewhere separate (Jason)
Cc: Simon Ser <contact@emersion.fr>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Dave Airlie <airlied@redhat.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Simon Ser <contact@emersion.fr>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210325225859.1684116-1-daniel.vetter@ffwll.ch
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Noralf needs some patches in 5.12-rc3, and we've been delaying the 5.12
merge due to the swap issue so it looks like a good time.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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drm-misc-next for 5.13:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- %p4cc printk format modifier
- atomic: introduce drm_crtc_commit_wait, rework atomic plane state
helpers to take the drm_commit_state structure
- dma-buf: heaps rework to return a struct dma_buf
- simple-kms: Add plate state helpers
- ttm: debugfs support, removal of sysfs
Driver Changes:
- Convert drivers to shadow plane helpers
- arc: Move to drm/tiny
- ast: cursor plane reworks
- gma500: Remove TTM and medfield support
- mxsfb: imx8mm support
- panfrost: MMU IRQ handling rework
- qxl: rework to better handle resources deallocation, locking
- sun4i: Add alpha properties for UI and VI layers
- vc4: RPi4 CEC support
- vmwgfx: doc cleanup
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210303100600.dgnkadonzuvfnu22@gilmour
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USB devices cannot perform DMA and hence have no dma_mask set in their
device structure. Therefore importing dmabuf into a USB-based driver
fails, which breaks joining and mirroring of display in X11.
For USB devices, pick the associated USB controller as attachment device.
This allows the DRM import helpers to perform the DMA setup. If the DMA
controller does not support DMA transfers, we're out of luck and cannot
import. Our current USB-based DRM drivers don't use DMA, so the actual
DMA device is not important.
Tested by joining/mirroring displays of udl and radeon under Gnome/X11.
v8:
* release dmadev if device initialization fails (Noralf)
* fix commit description (Noralf)
v7:
* fix use-before-init bug in gm12u320 (Dan)
v6:
* implement workaround in DRM drivers and hold reference to
DMA device while USB device is in use
* remove dev_is_usb() (Greg)
* collapse USB helper into usb_intf_get_dma_device() (Alan)
* integrate Daniel's TODO statement (Daniel)
* fix typos (Greg)
v5:
* provide a helper for USB interfaces (Alan)
* add FIXME item to documentation and TODO list (Daniel)
v4:
* implement workaround with USB helper functions (Greg)
* use struct usb_device->bus->sysdev as DMA device (Takashi)
v3:
* drop gem_create_object
* use DMA mask of USB controller, if any (Daniel, Christian, Noralf)
v2:
* move fix to importer side (Christian, Daniel)
* update SHMEM and CMA helpers for new PRIME callbacks
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 6eb0233ec2d0 ("usb: don't inherity DMA properties for USB devices")
Tested-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <stable@vger.kernel.org> # v5.10+
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210303133229.3288-1-tzimmermann@suse.de
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20210308064250.3681707-1-zhaojh329@gmail.com
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Only planes' prepare_fb and cleanup_fb, and encoders' atomic_check and
atomic_mode_set hooks remain with an object state and not the global
drm_atomic_state.
prepare_fb and cleanup_fb operate by design on a given state and
depending on the calling site can operate on either the old or new
state, so it doesn't really make much sense to convert them.
The encoders' atomic_check and atomic_mode_set operate on the CRTC and
connector state connected to them since encoders don't have a state of
their own. Without those state pointers, we would need to get the CRTC
through the drm_connector_state crtc pointer.
However, in order to get the drm_connector_state pointer, we would need
to get the connector itself and while usually we have a single connector
connected to the encoder, we can't really get it from the encoder at
the moment since it could be behind any number of bridges.
While this could be addressed by (for example) listing all the
connectors and finding the one that has the encoder as its source, it
feels like an unnecessary rework for something that is slowly getting
replaced by bridges.
Since all the users that matter have been converted, let's remove the
TODO item.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210219120032.260676-11-maxime@cerno.tech
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Pull documentation updates from Jonathan Corbet:
"It has been a relatively quiet cycle in docsland.
- As promised, the minimum Sphinx version to build the docs is now
1.7, and we have dropped support for Python 2 entirely. That
allowed the removal of a bunch of compatibility code.
- A set of treewide warning fixups from Mauro that I applied after it
became clear nobody else was going to deal with them.
- The automarkup mechanism can now create cross-references from
relative paths to RST files.
- More translations, typo fixes, and warning fixes"
* tag 'docs-5.12' of git://git.lwn.net/linux: (75 commits)
docs: kernel-hacking: be more civil
docs: Remove the Microsoft rhetoric
Documentation/admin-guide: kernel-parameters: Update nohlt section
doc/admin-guide: fix spelling mistake: "perfomance" -> "performance"
docs: Document cross-referencing using relative path
docs: Enable usage of relative paths to docs on automarkup
docs: thermal: fix spelling mistakes
Documentation: admin-guide: Update kvm/xen config option
docs: Make syscalls' helpers naming consistent
coding-style.rst: Avoid comma statements
Documentation: /proc/loadavg: add 3 more field descriptions
Documentation/submitting-patches: Add blurb about backtraces in commit messages
Docs: drop Python 2 support
Move our minimum Sphinx version to 1.7
Documentation: input: define ABS_PRESSURE/ABS_MT_PRESSURE resolution as grams
scripts/kernel-doc: add internal hyperlink to DOC: sections
Update Documentation/admin-guide/sysctl/fs.rst
docs: Update DTB format references
docs: zh_CN: add iio index.rst translation
docs/zh_CN: add iio ep93xx_adc.rst translation
...
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Requested by Thomas. I think it justifies a new level, since I tried
to make some forward progress on this last summer, and gave up (for
now). This is very tricky.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20210122133624.1751802-1-daniel.vetter@ffwll.ch
(cherry picked from commit 5823cca39d585e4b4a32b1292eed0015da9c3276)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Several drivers use GEM buffer objects as shadow buffers for the actual
framebuffer memory. Right now, drivers do these vmap operations in their
commit tail, which is actually not allowed by the locking rules for
the dma-buf reservation lock. The involved BO has to be vmapped in the
plane's prepare_fb callback and vunmapped in cleanup_fb.
This patch introduces atomic helpers for such shadow planes. Plane
functions manage the plane state for shadow planes. The provided
implementations for prepare_fb and cleanup_fb vmap and vunmap all BOs of
struct drm_plane_state.fb. The mappings are afterwards available in the
plane's commit-tail functions.
For now, all rsp drivers use the simple KMS helpers, so we add the plane
callbacks and wrappers for simple KMS. The internal plane functions can
later be exported as needed.
v3:
* documentation fixes
v2:
* make duplicate_state interface compatible with
struct drm_plane_funcs
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210208115538.6430-4-tzimmermann@suse.de
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Requested by Thomas. I think it justifies a new level, since I tried
to make some forward progress on this last summer, and gave up (for
now). This is very tricky.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20210122133624.1751802-1-daniel.vetter@ffwll.ch
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Internship season is starting, let's review this. One thing that's
pending is Maxime's work to roll out drm_atomic_state pointers to all
callbacks, he said he'll remove that entry once it's all done.
v2: Fix typos (Maxime)
Acked-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210121112919.1460322-1-daniel.vetter@ffwll.ch
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drm-misc-next for v5.12:
UAPI Changes:
- Fix fourcc macro for amlogic video fbc.
Cross-subsystem Changes:
- Export pci_rebar_bytes_to_size.
- Add a PCI quirk to increase bar0 for RX 5600 XT Pulse to max possible size.
- Convert devicetree bindings to use the OF graph schema.
- Update s6e63m0 bindings.
- Make omapfb2 DSI_CM incompatible with drm/omap2 DSI-CM because of
module conflicts.
- Add Zack Rusin as vmwgfx maintainer.
- Add CONFIG_DMABUF_DEBUG for validating dma-buf users don't loo kat struct page when importing or detaching.
Core Changes:
- Remove references to drm_device.pdev
- Fix regression in ttm_bo_move_to_lru_tail().
- Assorted docbook updates.
- Do not send dp-mst hotplug events on error when probing.
- Move some agp macros to agpsupport.c, so it's not always compiled.
- Move drm_need_swiotlb.h to drm_cache.c
- Only build drm_memory.o for legacy drivers, and move CONFIG_DRM_VM to legacy.
- Nuke drm_device.hose
- Warn when the ttm resource manager is non-empty when disabling.
- Assorted small fixes.
Driver Changes:
- Small assorted fixes in radeon, v3d, hisilicon, mipi-dbi, panfrost, hibmc, vc4, amdgpu, vkms, vmwgfx.
- Move hisilicon to use simple encode.
- Add writeback connector to vkms.
- Add support for BT2020 to DE3.
- Use gem prime mmap helpers in vc4, and move the mmap function upwards.
- Use managed drm device, and cleanup error paths and display registers in vmwgfx.
- Use correct bus_format and connector_type for innolux_n116bge.
- Fix a lot of warnings with W=1 (Lee Jones)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5c3ad775-48ce-33ee-e4c6-a5e1e540f845@linux.intel.com
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UAPI Changes:
- Deprecate I915_PMU_LAST and optimize state tracking (Tvrtko)
Avoid relying on last item ABI marker in i915_drm.h, add a
comment to mark as deprecated.
Cross-subsystem Changes:
Core Changes:
Driver Changes:
- Restore clear residuals security mitigations for Ivybridge and
Baytrail (Chris)
- Close #1858: Allow sysadmin to choose applied GPU security mitigations
through i915.mitigations=... similar to CPU (Chris)
- Fix for #2024: GPU hangs on HSW GT1 (Chris)
- Fix for #2707: Driver hang when editing UVs in Blender (Chris, Ville)
- Fix for #2797: False positive GuC loading error message (Chris)
- Fix for #2859: Missing GuC firmware for older Cometlakes (Chris)
- Lessen probability of GPU hang due to DMAR faults [reason 7,
next page table ptr is invalid] on Tigerlake (Chris)
- Fix REVID macros for TGL to fetch correct stepping (Aditya)
- Limit frequency drop to RPe on parking (Chris, Edward)
- Limit W/A 1406941453 to TGL, RKL and DG1 (Swathi)
- Make W/A 22010271021 permanent on DG1 (Lucas)
- Implement W/A 16011163337 to prevent a HS/DS hang on DG1 (Swathi)
- Only disable preemption on gen8 render engines (Chris)
- Disable arbitration around Braswell's PDP updates (Chris)
- Disable arbitration on no-preempt requests (Chris)
- Check for arbitration after writing start seqno before busywaiting (Chris)
- Retain default context state across shrinking (Venkata, CQ)
- Fix mismatch between misplaced vma check and vma insert for 32-bit
addressing userspaces (Chris, CQ)
- Propagate error for vmap() failure instead kernel NULL deref (Chris)
- Propagate error from cancelled submit due to context closure
immediately (Chris)
- Fix RCU race on HWSP tracking per request (Chris)
- Clear CMD parser shadow and GPU reloc batches (Matt A)
- Populate logical context during first pin (Maarten)
- Optimistically prune dma-resv from the shrinker (Chris)
- Fix for virtual engine ownership race (Chris)
- Remove timeslice suppression to restore fairness for virtual engines (Chris)
- Rearrange IVB/HSW workarounds properly between GT and engine (Chris)
- Taint the reset mutex with the shrinker (Chris)
- Replace direct submit with direct call to tasklet (Chris)
- Multiple corrections to virtual engine dequeue and breadcrumbs code (Chris)
- Avoid wakeref from potentially hard IRQ context in PMU (Tvrtko)
- Use raw clock for RC6 time estimation in PMU (Tvrtko)
- Differentiate OOM failures from invalid map types (Chris)
- Fix Gen9 to have 64 MOCS entries similar to Gen11 (Chris)
- Ignore repeated attempts to suspend request flow across reset (Chris)
- Remove livelock from "do_idle_maps" VT-d W/A (Chris)
- Cancel the preemption timeout early in case engine reset fails (Chris)
- Code flow optimization in the scheduling code (Chris)
- Clear the execlists timers upon reset (Chris)
- Drain the breadcrumbs just once (Chris, Matt A)
- Track the overall GT awake/busy time (Chris)
- Tweak submission tasklet flushing to avoid starvation (Chris)
- Track timelines created using the HWSP to restore on resume (Chris)
- Use cmpxchg64 for 32b compatilibity for active tracking (Chris)
- Prefer recycling an idle GGTT fence to avoid GPU wait (Chris)
- Restructure GT code organization for clearer split between GuC
and execlists (Chris, Daniele, John, Matt A)
- Remove GuC code that will remain unused by new interfaces (Matt B)
- Restructure the CS timestamp clocks code to local to GT (Chris)
- Fix error return paths in perf code (Zhang)
- Replace idr_init() by idr_init_base() in perf (Deepak)
- Fix shmem_pin_map error path (Colin)
- Drop redundant free_work worker for GEM contexts (Chris, Mika)
- Increase readability and understandability of intel_workarounds.c (Lucas)
- Defer enabling the breadcrumb interrupt to after submission (Chris)
- Deal with buddy alloc block sizes beyond 4G (Venkata, Chris)
- Encode fence specific waitqueue behaviour into the wait.flags (Chris)
- Don't cancel the breadcrumb interrupt shadow too early (Chris)
- Cancel submitted requests upon context reset (Chris)
- Use correct locks in GuC code (Tvrtko)
- Prevent use of engine->wa_ctx after error (Chris, Matt R)
- Fix build warning on 32-bit (Arnd)
- Avoid memory leak if platform would have more than 16 W/A (Tvrtko)
- Avoid unnecessary #if CONFIG_PM in PMU code (Chris, Tvrtko)
- Improve debugging output (Chris, Tvrtko, Matt R)
- Make file local variables static (Jani)
- Avoid uint*_t types in i915 (Jani)
- Selftest improvements (Chris, Matt A, Dan)
- Documentation fixes (Chris, Jose)
Signed-off-by: Dave Airlie <airlied@redhat.com>
# Conflicts:
# drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
# drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h
# drivers/gpu/drm/i915/gt/intel_lrc.c
# drivers/gpu/drm/i915/gvt/mmio_context.h
# drivers/gpu/drm/i915/i915_drv.h
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210114152232.GA21588@jlahtine-mobl.ger.corp.intel.com
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Update vkms documentation to contain usage of `modinfo`
command and steps to load vkms with module options enabled.
Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com>
Reviewed-by: Melissa Wen <melissa.srw@gmail.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4fbc6459377c1dcbe8e6648718453d5693f6451c.1610391685.git.sylphrenadin@gmail.com
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Replace the lkml.org links with lore to better use a single source
that's more likely to stay available long-term.
Done by bash script:
cvt_lkml_to_lore ()
{
tmpfile=$(mktemp ./.cvt_links.XXXXXXX)
header=$(echo $1 | sed 's@/lkml/@/lkml/headers/@')
wget -qO - $header > $tmpfile
if [[ $? == 0 ]] ; then
link=$(grep -i '^Message-Id:' $tmpfile | head -1 | \
sed -r -e 's/^\s*Message-Id:\s*<\s*//' -e 's/\s*>\s*$//' -e 's@^@https://lore.kernel.org/r/@')
# echo "testlink: $link"
if [ -n "$link" ] ; then
wget -qO - $link > /dev/null
if [[ $? == 0 ]] ; then
echo $link
fi
fi
fi
rm -f $tmpfile
}
git grep -P -o "\bhttps?://(?:www.)?lkml.org/lkml[\/\w]+" $@ |
while read line ; do
echo $line
file=$(echo $line | cut -f1 -d':')
link=$(echo $line | cut -f2- -d':')
newlink=$(cvt_lkml_to_lore $link)
if [[ -n "$newlink" ]] ; then
sed -i -e "s#\b$link\b#$newlink#" $file
fi
done
Link: https://lore.kernel.org/patchwork/patch/1265849/#1462688
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/77cdb7f32cfb087955bfc3600b86c40bed5d4104.camel@perches.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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It doesn't seem like drm.h docs are included anywhere. Render them next
to drm_mode.h, under the "Userspace API Structures" section.
This also allows references to e.g. DRM_CAP_* to be properly linkified
elsewhere in our docs.
Signed-off-by: Simon Ser <contact@emersion.fr>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201222133524.160842-6-contact@emersion.fr
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Introduce a new "Standard Plane Properties" section for properties
defined in drm_plane.c. Move the mis-placed IN_FORMATS docs there.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201217113220.102271-3-contact@emersion.fr
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State that the "KMS Properties" section is mainly for user-space
developers.
Signed-off-by: Simon Ser <contact@emersion.fr>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201217113220.102271-2-contact@emersion.fr
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Move drm_color_mgmt function reference from the KMS properties
section to the CRTC abstraction section. This makes the KMS
properties section more readable for user-space developers.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-5-contact@emersion.fr
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Move drm_damage_helper function reference from the KMS properties
section to the plane abstraction section. This makes the KMS
properties section more readable for user-space developers.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-4-contact@emersion.fr
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Move drm_blend.c function reference from the KMS properties section to
the plane abstraction section. This makes the KMS properties section
more readable for user-space developers.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-3-contact@emersion.fr
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Make it more human-readable.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201216202222.48146-2-contact@emersion.fr
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Commit 70a2b431c364 ("drm/i915/gt: Rename lrc.c to
execlists_submission.c") renamed intel_lrc.c to
intel_execlists_submission.c but forgot to update i915.rst.
Fixes: 70a2b431c364 ("drm/i915/gt: Rename lrc.c to execlists_submission.c")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20201214185440.243537-1-jose.souza@intel.com
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Update the vkms documentation to contain steps to:
- setup the vkms driver
- run tests using igt
Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201209190453.c6kp5winikr55n3i@adolin
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I didnt' format the thing correctly :-(
Fixes: 39aead8373b3 ("fbcon: Disable accelerated scrolling")
Reviewed-by: Simon Ser <contact@emersion.fr>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201118073637.597206-1-daniel.vetter@ffwll.ch
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So ever since syzbot discovered fbcon, we have solid proof that it's
full of bugs. And often the solution is to just delete code and remove
features, e.g. 50145474f6ef ("fbcon: remove soft scrollback code").
Now the problem is that most modern-ish drivers really only treat
fbcon as an dumb kernel console until userspace takes over, and Oops
printer for some emergencies. Looking at drm drivers and the basic
vesa/efi fbdev drivers shows that only 3 drivers support any kind of
acceleration:
- nouveau, seems to be enabled by default
- omapdrm, when a DMM remapper exists using remapper rewriting for
y/xpanning
- gma500, but that is getting deleted now for the GTT remapper trick,
and the accelerated copyarea never set the FBINFO_HWACCEL_COPYAREA
flag, so unused (and could be deleted already I think).
No other driver supportes accelerated fbcon. And fbcon is the only
user of this accel code (it's not exposed as uapi through ioctls),
which means we could garbage collect fairly enormous amounts of code
if we kill this.
Plus because syzbot only runs on virtual hardware, and none of the
drivers for that have acceleration, we'd remove a huge gap in testing.
And there's no other even remotely comprehensive testing aside from
syzbot.
This patch here just disables the acceleration code by always
redrawing when scrolling. The plan is that once this has been merged
for well over a year in released kernels, we can start to go around
and delete a lot of code.
v2:
- Drop a few more unused local variables, somehow I missed the
compiler warnings (Sam)
- Fix typo in comment (Jiri)
- add a todo entry for the cleanup (Thomas)
v3: Remove more unused variables (0day)
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: nouveau@lists.freedesktop.org
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Peilin Ye <yepeilin.cs@gmail.com>
Cc: George Kennedy <george.kennedy@oracle.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Cc: Peter Rosin <peda@axentia.se>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029132229.4068359-1-daniel.vetter@ffwll.ch
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We need commit f8f6ae5d077a ("mm: always have io_remap_pfn_range() set
pgprot_decrypted()") to be able to merge Jason's cleanup patch.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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We need commit f8f6ae5d077a ("mm: always have io_remap_pfn_range() set
pgprot_decrypted()") to be able to merge Jason's cleanup patch.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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At least sparc64 requires I/O-specific access to framebuffers. This
patch updates the fbdev console accordingly.
For drivers with direct access to the framebuffer memory, the callback
functions in struct fb_ops test for the type of memory and call the rsp
fb_sys_ of fb_cfb_ functions. Read and write operations are implemented
internally by DRM's fbdev helper.
For drivers that employ a shadow buffer, fbdev's blit function retrieves
the framebuffer address as struct dma_buf_map, and uses dma_buf_map
interfaces to access the buffer.
The bochs driver on sparc64 uses a workaround to flag the framebuffer as
I/O memory and avoid a HW exception. With the introduction of struct
dma_buf_map, this is not required any longer. The patch removes the rsp
code from both, bochs and fbdev.
v7:
* use min_t(size_t,) (kernel test robot)
* return the number of bytes read/written, if any (fbdev testcase)
v5:
* implement fb_read/fb_write internally (Daniel, Sam)
v4:
* move dma_buf_map changes into separate patch (Daniel)
* TODO list: comment on fbdev updates (Daniel)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-11-tzimmermann@suse.de
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This patch replaces the vmap/vunmap's use of raw pointers in GEM object
functions with instances of struct dma_buf_map. GEM backends are
converted as well. For most of them, this simply changes the returned type.
TTM-based drivers now return information about the location of the memory,
either system or I/O memory. GEM VRAM helpers and qxl now use ttm_bo_vmap()
et al. Amdgpu, nouveau and radeon use drm_gem_ttm_vmap() et al instead of
implementing their own vmap callbacks.
v7:
* init QXL cursor to mapped BO buffer (kernel test robot)
v5:
* update vkms after switch to shmem
v4:
* use ttm_bo_vmap(), drm_gem_ttm_vmap(), et al. (Daniel, Christian)
* fix a trailing { in drm_gem_vmap()
* remove several empty functions instead of converting them (Daniel)
* comment uses of raw pointers with a TODO (Daniel)
* TODO list: convert more helpers to use struct dma_buf_map
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-7-tzimmermann@suse.de
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drm-misc-next for 5.11:
UAPI Changes:
Cross-subsystem Changes:
- arch/arm64: Describe G12b GPU as coherent
- iommu: Support coherency for Mali LPAE
Core Changes:
- atomic: Pass full state to CRTC atomic_{check, begin, flush}(); Use
atomic-state pointers
- drm: Remove SCATTER_LIST_MAX_SEGMENT; Cleanups
- doc: Document legacy_cursor_update better; cleanups
- edid: Don't warn n EDIDs of zero
- ttm: New backend allocation pool; Remove old page allocator; Rework
no_retry handling; Replace flags with booleans in struct ttm_operation_ctx
- vram-helper: Cleanups
- fbdev: Cleanups
- console: Store font size as unsigned value
Driver Changes:
- ast: Support new display mode
- amdgpu: Switch to new TTM allocator
- hisilicon: Cleanups
- nouveau: Switch to new TTM allocator; Fix include of swiotbl.h and
limits.h; Use state helper instead of CRTC state pointer
- panfrost: Support cache-coherent integrations; Fix mutex corruption on
open/close; Cleanupse
- qxl: Cleanups
- radeon: Switch to new TTM allocator
- ticdc: Fix build failure
- vmwgfx: Switch to new TTM allocator
- xlnx: Use dma_request_chan
- fbdev/sh_mobile: Cleanups
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105101641.GA13099@linux-uq9g
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drm/i915 features for v5.11
Highlights:
- More DG1 enabling (Lucas, Matt, Aditya, Anshuman, Clinton, Matt, Stuart, Venkata)
- Integer scaling filter support (Pankaj Bharadiya)
- Asynchronous flip support (Karthik)
Generic:
- Fix gen12 forcewake tables (Matt)
- Haswell PCI ID updates (Alexei Podtelezhnikov)
Display:
- ICL+ DSI command mode enabling (Vandita)
- Shutdown displays grafecully on reboot/shutdown (Ville)
- Don't register display debugfs when there is no display (Lucas)
- Fix RKL CDCLK table (Matt)
- Limit EHL/JSL eDP to HBR2 (José)
- Handle incorrectly set (by BIOS) PLLs and DP link rates at probe (Imre)
- Fix mode valid check wrt bpp for "YCbCr 4:2:0 only" modes (Ville)
- State checker and dump fixes (Ville)
- DP AUX backlight updates (Aaron Ma, Sean Paul)
- Add DP LTTPR non-transparent link training mode (Imre)
- PSR2 selective fetch enabling (José)
- VBT updates (José)
- HDCP updates (Ramalingam)
Cleanups and refactoring:
- HPD pin, AUX channel, and Type-C port identifier cleanup (Ville)
- Hotplug and irq refactoring (Ville)
- Better DDI encoder and AUX channel names (Ville)
- Color LUT code cleanups (Ville)
- Combo PHY code cleanups (Ville)
- LSPCON code cleanups (Ville)
- Documentation fixes (Mauro, Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87o8kehbaj.fsf@intel.com
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drm-misc-next for 5.11:
UAPI Changes:
- doc: rules for EBUSY on non-blocking commits; requirements for fourcc
modifiers; on parsing EDID
- fbdev/sbuslib: Remove unused FBIOSCURSOR32
- fourcc: deprecate DRM_FORMAT_MOD_NONE
- virtio: Support blob resources for memory allocations; Expose host-visible
and cross-device features
Cross-subsystem Changes:
- devicetree: Add vendor Prefix for Yes Optoelectronics, Shanghai Top Display
Optoelectronics
- dma-buf: Add struct dma_buf_map that stores DMA pointer and I/O-memory flag;
dma_buf_vmap()/vunmap() return address in dma_buf_map; Use struct_size() macro
Core Changes:
- atomic: pass full state to CRTC atomic enable/disable; warn for EBUSY during
non-blocking commits
- dp: Prepare for DP 2.0 DPCD
- dp_mst: Receive extended DPCD caps
- dma-buf: Documentation
- doc: Format modifiers; dma-buf-map; Cleanups
- fbdev: Don't use compat_alloc_user_space(); mark as orphaned
- fb-helper: Take lock in drm_fb_helper_restore_work_fb()
- gem: Convert implementation and drivers to GEM object functions, remove
GEM callbacks from struct drm_driver (expect gem_prime_mmap)
- panel: Cleanups
- pci: Add legacy infix to drm_irq_by_busid()
- sched: Avoid infinite waits in drm_sched_entity_destroy()
- switcheroo: Cleanups
- ttm: Remove AGP support; Don't modify caching during swapout; Major
refactoring of the implementation and API that affects all depending
drivers; Add ttm_bo_wait_ctx(); Add ttm_bo_pin()/unpin() in favor of
TTM_PL_FLAG_NO_EVICT; Remove ttm_bo_create(); Remove fault_reserve_notify()
callback; Push move() implementation into drivers; Remove TTM_PAGE_FLAG_WRITE;
Replace caching flags with init-time cache setting; Push ttm_tt_bind() into
drivers; Replace move_notify() with delete_mem_notify(); No overlapping memcpy();
no more ttm_set_populated()
- vram-helper: Fix BO top-down placement; TTM-related changes; Init GEM
object functions with defaults; Default placement in system memory; Cleanups
Driver Changes:
- amdgpu: Use GEM object functions
- armada: Use GEM object functions
- aspeed: Configure output via sysfs; Init struct drm_driver with
- ast: Reload LUT after FB format changes
- bridge: Add driver and DT bindings for anx7625; Cleanups
- bridge/dw-hdmi: Constify ops
- bridge/ti-sn65dsi86: Add retries for link training
- bridge/lvds-codec: Add support for regulator
- bridge/tc358768: Restore connector support DRM_GEM_CMA_DRIVEROPS; Cleanups
- display/ti,j721e-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
dma-coherent
- display/ti,am65s-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
dma-coherent
- etnaviv: Use GEM object functions
- exynos: Use GEM object functions
- fbdev: Cleanups and compiler fixes throughout framebuffer drivers
- fbdev/cirrusfb: Avoid division by 0
- gma500: Use GEM object functions; Fix double-free of connector; Cleanups
- hisilicon/hibmc: I2C-based DDC support; Use to_hibmc_drm_device(); Cleanups
- i915: Use GEM object functions
- imx/dcss: Init driver with DRM_GEM_CMA_DRIVER_OPS; Cleanups
- ingenic: Reset pixel clock when parent clock changes; support reserved
memory; Alloc F0 and F1 DMA channels at once; Support different pixel formats;
Revert support for cached mmap buffers
on F0/F1; support 30-bit/24-bit/8-bit-palette modes
- komeda: Use DEFINE_SHOW_ATTRIBUTE
- mcde: Detect platform_get_irq() errors
- mediatek: Use GEM object functions
- msm: Use GEM object functions
- nouveau: Cleanups; TTM-related changes; Use GEM object functions
- omapdrm: Use GEM object functions
- panel: Add driver and DT bindings for Novatak nt36672a; Add driver and DT
bindings for YTC700TLAG-05-201C; Add driver and DT bindings for TDO TL070WSH30;
Cleanups
- panel/mantix: Fix reset; Fix deref of NULL pointer in mantix_get_modes()
- panel/otm8009a: Allow non-continuous dsi clock; Cleanups
- panel/rm68200: Allow non-continuous dsi clock; Fix mode to 50 FPS
- panfrost: Fix job timeout handling; Cleanups
- pl111: Use GEM object functions
- qxl: Cleanups; TTM-related changes; Pin new BOs with ttm_bo_init_reserved()
- radeon: Cleanups; TTM-related changes; Use GEM object functions
- rockchip: Use GEM object functions
- shmobile: Cleanups
- tegra: Use GEM object functions
- tidss: Set drm_plane_helper_funcs.prepare_fb
- tilcdc: Don't keep vblank interrupt enabled all the time
- tve200: Detect platform_get_irq() errors
- vc4: Use GEM object functions; Only register components once DSI is attached;
Add Maxime as maintainer
- vgem: Use GEM object functions
- via: Simplify critical section in via_mem_alloc()
- virtgpu: Use GEM object functions
- virtio: Implement blob resources, host-visible and cross-device features;
Support mapping of host-allocated resources; Use UUID APi; Cleanups
- vkms: Use GEM object functions; Switch to SHMEM
- vmwgfx: TTM-related changes; Inline ttm_bo_swapout_all()
- xen: Use GEM object functions
- xlnx: Use GEM object functions
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027100936.GA4858@linux-uq9g
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Daniel needs -rc2 in drm-misc-next to merge some patches
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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As reported by kernel-doc:
./drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c:1: warning: no structured comments found
./drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1: warning: no structured comments found
Those files only contain
/**
* DOC:
*/
markups, but they're included twice there: one to parse
such markup, and another one to parse internal functions.
In the case of amdgpu_xgmi.c, as it has just one such
markup, we can simply include the file once, and let it
parse the entire file without passing arguments to kernel-doc.
This should place everything altogether.
For amdgpu_ras.c, however, we need to remove the kernel-doc
with just internal. This should be re-introduced if this
file ever gets new non-DOC markups.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/bd070923591ae54f9587e7407b6291ac116952b2.1603791716.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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It's the horror and shouldn't be used. Realized we're not clear on
this in a discussion with Rob about what msm is doing to better
support async commits.
v2: Refine existing todo item to include this (Thomas)
Cc: Sean Paul <sean@poorly.run>
Cc: Rob Clark <robdclark@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201023123925.2374863-3-daniel.vetter@ffwll.ch
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Pull drm fixes from Dave Airlie:
"Some fixes queued up already for i915 and amdgpu, I've also included
the fix for the clang warning you've seen.
i915:
- set all unused color plane offsets to ~0xfff again (Ville)
- fix TGL DKL PHY DP vswing handling (Ville)
amdgpu:
- DCN clang warning fix
- eDP fix
- BACO fix
- kernel documentation fixes
- SMU7 mclk fix
- VCN1 hw bug workaround
amdkfd:
- kvfree vs kfree fix"
* tag 'drm-next-2020-10-19' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Fix incorrect dsc force enable logic
drm/amdkfd: Use kvfree in destroy_crat_image
drm/amdgpu: vcn and jpeg ring synchronization
drm/amd/pm: increase mclk switch threshold to 200 us
docs: amdgpu: fix a warning when building the documentation
drm/amd/display: kernel-doc: document force_timing_sync
drm/amdgpu/swsmu: init the baco mutex in early_init
drm/amd/display: Fix module load hangs when connected to an eDP
drm/i915: Set all unused color plane offsets to ~0xfff again
drm/i915: Fix TGL DKL PHY DP vswing handling
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Pull documentation updates from Mauro Carvalho Chehab:
"A series of patches addressing warnings produced by make htmldocs.
This includes:
- kernel-doc markup fixes
- ReST fixes
- Updates at the build system in order to support newer versions of
the docs build toolchain (Sphinx)
After this series, the number of html build warnings should reduce
significantly, and building with Sphinx 3.1 or later should now be
supported (although it is still recommended to use Sphinx 2.4.4).
As agreed with Jon, I should be sending you a late pull request by the
end of the merge window addressing remaining issues with docs build,
as there are a number of warning fixes that depends on pull requests
that should be happening along the merge window.
The end goal is to have a clean htmldocs build on Kernel 5.10.
PS. It should be noticed that Sphinx 3.0 is not currently supported,
as it lacks support for C domain namespaces. Such feature, needed in
order to document uAPI system calls with Sphinx 3.x, was added only on
Sphinx 3.1"
* tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (75 commits)
PM / devfreq: remove a duplicated kernel-doc markup
mm/doc: fix a literal block markup
workqueue: fix a kernel-doc warning
docs: virt: user_mode_linux_howto_v2.rst: fix a literal block markup
Input: sparse-keymap: add a description for @sw
rcu/tree: docs: document bkvcache new members at struct kfree_rcu_cpu
nl80211: docs: add a description for s1g_cap parameter
usb: docs: document altmode register/unregister functions
kunit: test.h: fix a bad kernel-doc markup
drivers: core: fix kernel-doc markup for dev_err_probe()
docs: bio: fix a kerneldoc markup
kunit: test.h: solve kernel-doc warnings
block: bio: fix a warning at the kernel-doc markups
docs: powerpc: syscall64-abi.rst: fix a malformed table
drivers: net: hamradio: fix document location
net: appletalk: Kconfig: Fix docs location
dt-bindings: fix references to files converted to yaml
memblock: get rid of a :c:type leftover
math64.h: kernel-docs: Convert some markups into normal comments
media: uAPI: buffer.rst: remove a left-over documentation
...
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As reported by Sphinx:
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1147: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_oa_wait_unlocked'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1169: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_oa_poll_wait'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:1189: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_oa_read'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2669: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_oa_stream_enable'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2734: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_oa_stream_disable'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:2820: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_oa_stream_init'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3010: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_read'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3098: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_poll_locked'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3129: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_poll'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3152: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_enable_locked'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3181: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_disable_locked'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3273: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_ioctl'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3296: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_destroy_locked'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3321: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_release'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3379: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_open_ioctl_locked'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3534: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'read_properties_unlocked'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3717: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_open_ioctl'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3760: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_register'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:3789: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_unregister'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4009: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_add_config_ioctl'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4162: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_remove_config_ioctl'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4260: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_init'.
./Documentation/gpu/i915:646: ./drivers/gpu/drm/i915/i915_perf.c:4423: WARNING: Duplicate C declaration, also defined in 'gpu/i915'.
Declaration is 'i915_perf_fini'.
With Sphinx 3, C declarations can't be duplicated anymore,
so let's exclude those from the other internals found on
i915_perf.c file.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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As reported by Sphinx:
Documentation/gpu/amdgpu.rst:200: WARNING: Inline emphasis start-string without end-string.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Drop issues already resolved in vkms:
- CRC API Improvements to [1] add igt test to check extreme alpha values
and [2] alpha blending;
- [3] prime buffer sharing;
- [4] writeback support;
On the other hand, we also found or thought about other improvements since
the last update of this document:
- better support for IGT tests
- improvements to writeback support
- syzbot report
Finally, we reorder items by the assumed complexity.
[1] https://patchwork.freedesktop.org/series/55944/
[2] https://patchwork.freedesktop.org/series/80823/
[3] https://patchwork.freedesktop.org/series/63212/
[4] https://patchwork.freedesktop.org/series/81177/
v2:
- Link to syzbot dashboard
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201006223006.gu55pjtuaigkh6il@smtp.gmail.com
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- debugfs cleanup has moved forward thanks to the cleanup Wambui has
done
Acked-by: Melissa Wen <melissa.srw@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Wambui Karuga <wambui.karugax@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Melissa Wen <melissa.srw@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200929150333.3441576-1-daniel.vetter@ffwll.ch
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Add the details of the implementation of asynchronous flips for i915.
v7: -Rebased.
v8: -Rebased.
v9: -Rebased.
v10: Move all documentation changes to this patch. (Ville)
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200921110210.21182-8-karthik.b.s@intel.com
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Several GEM and PRIME callbacks have been deprecated in favor of
per-instance GEM object functions. Remove the callbacks as they are
now unused. The only exception is .gem_prime_mmap, which is still
in use by several drivers.
What is also gone is gem_vm_ops in struct drm_driver. All drivers now
use struct drm_gem_object_funcs.vm_ops instead.
While at it, the patch also improves error handling around calls
to .free and .get_sg_table callbacks.
v3:
* restore default call to drm_gem_prime_export() in
drm_gem_prime_handle_to_fd()
* return -ENOSYS if get_sg_table is not set
* drop all checks for obj->funcs
* clean up TODO list and documentation
v2:
* update related TODO item (Sam)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200923102159.24084-23-tzimmermann@suse.de
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Added IP block section to amdgpu.rst.
Added more documentation to amd_ip_funcs.
Created documentation for amd_ip_block_type.
v2: Provides a more detailed DOC section on IP blocks
v3: Clarifies the IP block list. Adds info on IP block enumeration.
Signed-off-by: Ryan Taylor <ryan.taylor@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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amd-drm-next-5.10-2020-09-03:
amdgpu:
- RAS fixes
- Sienna Cichlid updates
- Navy Flounder updates
- DCE6 (SI) support in DC
- Enable plane rotation
- Rework pre-OS vram reservation handling during driver init
- Add standard interface to dump GPU metrics table from SMU
- Rework tiling and tmz state handling in atomic commits
- Pstate fixes
- Add voltage and power hwmon interfaces for renoir
- SW CTF fixes
- S/G display fix for Raven
- Print client strings for vmfaults for vega and newer
- Manual fan control fixes
- Display updates
- Reorg power management directory structure
- Misc bug fixes
- Misc code cleanups
amdkfd:
- Topology fixes
- Add SMI events for thermal throttling and GPU resets
radeon:
- switch from pci_* to dma_* for dma allocations
- PLL fix
Scheduler:
- Clean up priority levels
UAPI:
- amdgpu INFO IOCTL query update for TMZ state
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6049
- amdkfd SMI event interface updates
https://github.com/RadeonOpenCompute/rocm_smi_lib/tree/therm_thrott
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200903222921.4152-1-alexander.deucher@amd.com
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Fix Documentation errors for amdgpu.rst due to file rename (moved
to another subdirectory).
Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -function hwmon ../drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c' failed with return code 1
Fixes: e098bc9612c2 ("drm/amd/pm: optimize the power related source code layout")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Evan Quan <evan.quan@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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Pull backlight updates from Lee Jones:
"Core Framework:
- Trivial: Code refactoring
- New API backlight_is_blank()
- New API backlight_get_brightness()
- Additional/reworked documentation
- Remove 'extern' labels from prototypes
- Drop backlight_put()
- Staticify of_find_backlight()
Driver Removal:
- Removal of unused OT200 driver
- Removal of unused Generic Backlight driver
Fix-ups
- Bunch of W=1 warning fixes
- Convert to GPIO descriptors; sky81452
- Move platform data handling into driver; sky81452
- Remove superfluous code; lms501kf03
- Many instances of using new APIs"
* tag 'backlight-next-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (34 commits)
video: backlight: cr_bllcd: Remove unused variable 'intensity'
backlight: backlight: Make of_find_backlight static
backlight: backlight: Drop backlight_put()
backlight: Use backlight_get_brightness() throughout
backlight: jornada720_bl: Introduce backlight_is_blank()
backlight: gpio_backlight: Simplify update_status()
backlight: cr_bllcd: Introduce gpio-backlight semantics
backlight: as3711_bl: Simplify update_status
backlight: backlight: Introduce backlight_get_brightness()
doc-rst: Wire-up Backlight kernel-doc documentation
backlight: backlight: Add overview and update existing doc
backlight: backlight: Drop extern from prototypes
backlight: generic_bl: Remove this driver as it is unused
backlight: backlight: Document enums in backlight.h
backlight: backlight: Document inline functions in backlight.h
backlight: backlight: Improve backlight_device documentation
backlight: backlight: Improve backlight_properties documentation
backlight: backlight: Improve backlight_ops documentation
backlight: backlight: Add backlight_is_blank()
backlight: backlight: Refactor fb_notifier_callback()
...
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Dave Airlie
Daniel Vetter
Maxime Ripard
Thomas Zimmermann
Jianhui Zhao
Linus Torvalds
Sumera Priyadarsini
Joe Perches
Simon Ser
José Roberto de Souza
Mauro Carvalho Chehab
Melissa Wen
Karthik B S
Ryan Taylor
Randy Dunlap