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controller. It is used as doorbell for the arm-scmi perf protocol and
a prerequisite for cpu frequency management on X Elite chips.
ok patrick@
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This codes runs under IPL_NET. Interrupt processing would get delayed
until the ioctl handler was done which is probably not what the device
is expecting.
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dlg@ advised me that our drivers should always configure the largest
frame size supported by hardware
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From Antonio Quartulli
a613a392417532ca5aaf3deac6e3277aa7aaef2b in linux-6.6.y/6.6.61
a6dd15981c03f2cdc9a351a278f09b5479d53d2e in mainline linux
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From Lijo Lazar
3930715c1aefe8e5cbca94144081aa08b466d571 in linux-6.6.y/6.6.61
3ce3f85787352fa48fc02ef6cbd7a5e5aba93347 in mainline linux
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From Alex Deucher
e2574b57990d482cb4310f8d571e728741c711c8 in linux-6.6.y/6.6.61
b46dadf7e3cfe26d0b109c9c3d81b278d6c75361 in mainline linux
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From Alex Deucher
8906728f2fbd6504cb488f4afdd66af28f330a7a in linux-6.6.y/6.6.61
4d75b9468021c73108b4439794d69e892b1d24e3 in mainline linux
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From Alex Deucher
5a8ae5fa576c3315c0b3ce0b0aec2e5d1aadebc9 in linux-6.6.y/6.6.61
f790a2c494c4ef587eeeb9fca20124de76a1646f in mainline linux
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offsets for RGB formats explicitly.
From Paul Fertser
ok patrick@ miod@ kettenis@
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From Srinivasan Shanmugam
10c20d79d59cadfe572480d98cec271a89ffb024 in linux-6.6.y/6.6.60
15c2990e0f0108b9c3752d7072a97d45d4283aea in mainline linux
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Instead of wiring page by page, wire the whole range. After the
PSP lauch update data command finished, unwire the memory again.
from hshoexer@; OK mlarkin@
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allows upowerd to react on power changes, and now i have nifty
notifications in xfce4 on the x13s when plugging/unplugging the ac.
Also works on the omnibook x14.
ok phessler@ kettenis@ jca@
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To avoid a race between writing PSP command, sleeping, receiving
interrupt, and calling wakeup(9), protect psp(4) driver with a
mutex. With that interrupt handler is MP safe and ioctl(2) can
release kernel lock.
from hshoexer@; OK dlg@
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Ported from FreeBSD.
This driver does not pass packets yet, lots of code is still missing.
The driver will remain disabled in kernel configs until it is ready.
At this stage, code for device initialization should be fairly complete.
Some hardware features will require additional firmware packages to be
loaded. My plan is to get things working in the basic "safe mode" first,
which does not require external firmware.
I will continue working on this driver in-tree, with funding from genua.
Help is welcome.
ok dlg@
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If any other CPU has not finished wbinvd, PSP command may fail. To
avoid races, call wbinvd_on_all_cpus_acked() which waits for
acknowledgement from IPI handler. Provide stub to build non-MP
kernels.
from hshoexer@; OK mlarkin@
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ok stsp@
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be more robust against bogus edid data.
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messages it may print are tied to the particular device it concerns.
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removed quite many years ago. Drop the _emul component of config machinery
symbol names, and merge the wsdisplay_emul_smth with wsdisplay_common_smth
as they are their only users.
No functional change, but you need to rerun config(8) on your kernels.
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supported by the FreeBSD syscon and some software assumes running on *BSD
implies they work.
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This will be used by vmd(8) to reset psp(4) on startup.
from hshoexer@; OK mlarkin@
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the wscons vt100 emulation. Based on a diff from Crystal Kolipe, modified
to properly handle partial updates, verified to work with udl(4).
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- move softintr_establish(), which allocates memory, into dtalloc()
- Use M_DEVBUF consistently for all memory chunks in the softc.
- Do not check for NULL before calling free(9).
Reviewed by Christian Ludwig, ok miod@
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viogpu_send_cmd() is called for every framebuffer update. Only print
log message at VIRTIO_DEBUG >= 3 to avoid log spam.
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If the device has just been reset (e.g. after ifconfig down), we cannot
query the feature bits. Make sure we dump the control virtqueue even in
this case.
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Also talk about thread rather than proc which might be confusing.
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Get rid of the per-ringbuffer mutex. Use a variable to prevent against
recursion. Allow to process more events in the same timeframe.
From Christian Ludwig.
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