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adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake
Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.
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auth list. now we only need the one tree. Makes things a little neater,
and smaller.
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their arguments for a while. Actually go through the code and remove the
extraneous arguments. Makes things easier to read.
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held a lock over all driver ioctls in order to be ``mpsafe''. Stop lying
to ourselves for a start. This code is not fully mpsafe, and should not
pretend to be so. Put the locking around where it should, and rely on
biglock for the rest. This will need to be fixed, but avoids some of the
horrible that we have right now.
Tested by many over a long time and several iterations.
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relatively small, so inline them. This shrinks the kernel by about 500
bytes and saves a tree lookup.
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done a little nicer.
Advice from deraadt@.
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bit so we don't sleep with a spinlock.
ok djm@.
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and drm_calloc.
With the recent change to check overflow in drm_calloc, this means that
all allocations that require multiplication are now checked. Also use
drm_calloc() when zeroing is needed and drop the bzero/memset
afterwards. Finally, make drm_free() check for NULL, so we don't need
to do so every time.
ok miod@, deraadt@
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``struct drm_device'' and ``struct drm_file'' respectively. Since i'm
changing a lot of prototypes anyway, remove all parameter names from
prototypes, in accordance with style(9) (and sanity).
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inherited from the original drm driver.
input and ok oga@.
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of a hand-rolled list. Ideally this code needs more changes, but for
now that'll do.
Tested by many.
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While i'm here:
remove a couple of debug printfs that shouldn't have gone in anyway.
trowel on some KNF (I really need to get around to sending some of this upstream).
remove some netbsd specific code that netbsd doesn't have anymore.
ok tedu.
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This is the kernel part necessary for DRI support in X. Disabled for now
because it still has a few bugs, but now I can work on it in tree. Also
requires the requisite bits in X, which are currently under discussion
on how to deal with them with privsep. ported from a combination of the
free and netbsd implementations.
Known bugs:
1) only the first occurence of X in any session will have dri, after
that something prevents it working.
2) if the machine does not have a dri capable card, the kernel panics.
Something's up in one of the probe functions. I haven't been able to
find it though.
3) radeon cards need to be forced to use PCI mode otherwise they get
into an infinite loop.
This is known to at least kinda work with SiS, radeons in pci mode and
intel cards.
ok deraadt, kinda ok art, a few other people had a quick look.
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jsg
oga
pyr