Age | Commit message (Collapse) | Author |
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Previously, adaptive sync was just a hint and wouldn't make any
atomic commit fail if the backend didn't support it. The main reason
is wlr_output_test wasn't supported at the time.
Now that we have a way for compositors to test whether a change can
work, let's remove the exception for adaptive sync and convert it to
a regular output state field.
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We can just use libdrm's drmModeConnection enum instead.
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- Add wlr_output.enabled checks to CONNECTED checks
- Replace NEEDS_MODESET with CONNECTED
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This function has been merged in libdrm.
References: https://gitlab.freedesktop.org/mesa/drm/-/commit/3ee004ef529f43366fdd1f4d32b26872cc82c6ca
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No need to manually maintain this table now.
The wlroots names and the libdrm (= kernel) names all match.
References: https://gitlab.freedesktop.org/mesa/drm/-/commit/50f8d517733d24fce6693ffae552f9833e2e6aa9
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"max bpc" is a maximum value, the driver is free to choose a
smaller value depending on the bandwidth available.
Some faulty monitors misbehave with higher bpc values. We'll add
a workaround if users get hit by these in practice.
References: https://gitlab.freedesktop.org/wayland/weston/-/issues/612
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drmIsKMS already checks for this.
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The EDID 1.4 spec says that the serial number is optional:
> If this field is not used, then enter “00h, 00h, 00h, 00h”.
Leave the wlr_output.serial field NULL in that case, and hide it
from the output description.
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CTA-861-G says that "graphics" is used to indicate non-analog (ie,
digital) content. With that bit set, the sink should turn off analog
reconstruction and other related filtering.
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Since 6936e163b, we short-circut no-op commits as an optimization.
However, the logic in the check was slightly off.
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Some output commits (changing e.g. the output scale or transform)
don't require any change in the KMS state. Instead of going through
a KMS commit, return early. Blocking KMS commits can be expensive.
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The wlr_output API requires compositors to wait for wlr_output.frame
before submitting a new buffer. However, compositors can perform a
commit which doesn't involve a buffer anytime.
If the commit is a modeset, we set DRM_MODE_ATOMIC_ALLOW_MODESET and
block until the commit is done. If it isn't, we currently always
perform a non-blocking commit. This is an issue because a previous
page-flip might still be in flight kernel-side, returning EBUSY.
Fix this by using blocking commits when a buffer isn't submitted by
the compositor.
Closes: https://github.com/swaywm/sway/issues/6962
References: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/2239
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We weren't logging all of the flags, which made debugging more
difficult.
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Groundwork for the following commits. The goal is to allow users
to specify their own wlr_output_state instead of wlr_output.pending.
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backend/drm: use serial_str instead
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This allows the make/model/serial to be NULL when unset, and allows
them to be longer than the hardcoded array length.
This is a breaking change: compositors need to handle the new NULL
case, and we stop setting make/model to useless "headless" or
"wayland" strings.
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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3434
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This information is stored in wlr_swapchain, no need to duplicate
it.
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Prior to [1], if an entry in a DRM format set was different than a
single LINEAR modifier, implicit modifiers were always allowed. This
has changed and now implicit modifiers are only allowed if INVALID
is in the list of modifiers.
So now we can safely enable explicit modifiers for cross-GPU imports,
without risking receiving buffers with an implicit modifier. This
should improve perf a bit on setups where two GPUs from the same vendor
are used.
This fixes the first bullet point from [2].
[1]: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/3231
[2]: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3331
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Maintaining our internal table up-to-date is tedious: one needs to
manually go through the PnP ID registry [1] and check whether we're
missing any entry.
udev_hwdb already has an API to fetch a manufacturer name from its
PnP ID. Use that instead.
[1]: https://uefi.org/pnp_id_list
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Ensures there is no field left to its previous undefined value after
calling an init function.
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The lease_fd is currently being leaked to child processes
Link: https://github.com/swaywm/sway/issues/4286#issuecomment-1065987957
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This has been added in [1] and allows us to close buffer handles
without manually calling drmIoctl.
[1]: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/192
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This avoids open-coding our own logic. The resulting code is more
readable.
References: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/146
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This helper is responsible for listening for new DRM devices and
create new child DRM backends as necessary.
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wlroots picks names for all outputs, but it might be desirable for
compositor to override it.
For instance, Sway will use a headless output as a fallback in
case no outputs are connected. Sway wants to clearly label the
fallback output as such and label "real" headless outputs starting
from HEADLESS-1.
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Rather than repeatedly trying to import DMA-BUFs which cannot be
scanned out, mark the failed ones with a special "poison" marker.
Inspired from [1].
[1]: https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/731
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drmModeAddFB2 doesn't support explicit modifiers. Only accept INVALID
which indicates an implicit modifier and LINEAR which may indicate
that GBM_BO_USE_LINEAR has been used.
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See [1] for the motivation.
[1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/75
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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3181
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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3183
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They are never used in practice, which makes all of our flag
handling effectively dead code. Also, APIs such as KMS don't
provide a good way to deal with the flags. Let's just fail the
DMA-BUF import when clients provide flags.
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When a connector ID is specified in a hotplug event, don't scan all
connectors. Only scan the connector that has changed.
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drmModeCreatePropertyBlob cannot create zero-sized blobs, that
fails with EINVAL.
Closes: https://github.com/swaywm/wlroots/issues/3297
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The BO handle table exists to avoid double-closing a BO handle,
which aren't reference-counted by the kernel. But if we can
guarantee that there is only ever a single ref for each BO handle,
then we don't need the BO handle table anymore.
This is possible if we create the handle right before the ADDFB2
IOCTL, and close the handle right after. The handles are very
short-lived and we don't need to track their lifetime.
Because of multi-planar FBs, we need to be a bit careful: some
FB planes might share the same handle. But with a small check, it's
easy to avoid double-closing the same handle (which wouldn't be a
big deal anyways).
There's one gotcha though: drmModeSetCursor2 takes a BO handle as
input. Saving the handles until drmModeSetCursor2 time would require
us to track BO handle lifetimes, so we wouldn't be able to get rid
of the BO handle table. As a workaround, use drmModeGetFB to turn the
FB ID back to a BO handle, call drmModeSetCursor2 and then immediately
close the BO handle. The overhead should be minimal since these IOCTLs
are pretty cheap.
Closes: https://github.com/swaywm/wlroots/issues/3164
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Found via scan-build
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As found in e.g. the Steam Deck.
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Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
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This reverts commit ea7357b70366588069c83f158e6a4eb2d3a702b3.
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This reverts commit d6be1d68b7d0542efa4dc2d19d57531484fe330a.
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drmModeAddFB2 doesn't support explicit modifiers. Only accept INVALID
which indicates an implicit modifier and LINEAR which may indicate
that GBM_BO_USE_LINEAR has been used.
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See [1] for the motivation.
[1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/75
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