Implementation of new drivers matching algorithm. New approach
doesn't add duplicate drivers and ease drivers matching phase.
v2: Re-commit the patch reverted in
2388f5e583, with Aaron Plattner's
fix squashed in (by anholt).
Signed-off-by: Karol Kosik <kkosik@nvidia.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com> (v1)
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> (v1)
Tested-by: Peter Hutterer <peter.hutterer@who-t.net>
Tested-by: Eric Anholt <eric@anholt.net>
This reverts commit 112d0d7d01.
It broke Xorg for Adam, Peter, and myself, by failing hard when a
module load failed.
Signed-off-by: Eric Anholt <eric@anholt.net>
Implementation of new drivers matching algorithm. New approach
doesn't add duplicate drivers and ease drivers matching phase.
Signed-off-by: Karol Kosik <kkosik@nvidia.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Add support for setting options in OutputClass Sections and having these
applied to any matching output devices.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This is primarily a preparation patch for fixing the xserver exiting with
a "no screens found" error even though there are supported video cards,
due to the server not recognizing any card as the primary card.
This also fixes the (mostly theoretical) case of a platformBus capable
driver adding a device as GPUscreen before a driver which only supports
the old PCI probe method gets a chance to claim it as a normal screen.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
When neither of the various bus implementations was able to find a
primary bus and device, fallback to using the platform bus as primary
bus and the first platform device as primary device.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Compilation of -video-intel started failing in gnome-continuous,
it's because xserver has -Werror=return-type on, and gcc can't
prove this function always returns a value:
/usr/include/xorg/xf86platformBus.h:119:1: error: control reaches end of non-void function [-Werror=return-type]
Let's add assertions to the accessor functions to fix this.
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This allows drivers to compile using the old OdevAttributes API
against a new server. It generates compiler errors if the caller uses
the wrong or undefined attribute types, or if the caller provides an
incorrect default value for an integer attribute.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
OdevAttributes are a fixed set of values with known types; instead of
storing them in a linked list and requiring accessor/settor functions,
replace the list header, struct OdevAttributes, with a struct that
directly contains the values. This provides for compile-time
typechecking of the values, eliminates a significant amount of code
and generally simplifies using this datatype.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
config_odev* functions are called in code-paths were we already use
XNF* functions in other places, so which are not oom safe already.
Besides that oom is something which should simply never happen, so aborting
when it does is as good a response as any other.
While switching to XNF functions also fixup an unchecked strdup case.
Note the function prototypes are kept unchanged, as they are part of the
server ABI.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commits add the bulk of the systemd-logind integration code, but does
not hook it up yet other then calling its init and fini functions, which
don't do that much.
Note the configure bits check for udev since systemd-logind use will only be
supported in combination with udev. Besides that it only checks for dbus
since all communication with systemd-logind is happening over dbus, so
no further libs are needed.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
With systemd-logind support, the xserver, rather than the drivers will be
responsible for opening/closing the fd for drm nodes.
This commit adds a fd member to OdevAttributes to store the fd to pass it
along to the driver.
systemd-logind tracks devices by their chardev major + minor numbers, so
also add OdevAttributes to store the major and minor.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
The OdevAttributes struct should just be a head of the attributes list, and
not contain various unrelated flags. Instead add a flags field to
struct xf86_platform_device and use that.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Add a couple of new functions for dealing with storing integer values into
OdevAttributes.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
We don't want to hotplug output devices while we are VT switched,
as we get races between multiple X servers on the device open, and
drm device master status. This just queues device opens until we return
from VT switch.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This provides add/remove support for platform devices at xfree86 ddx level.
v2: cleanup properly if no driver found.
v3: load the modesetting driver before checking driver list.
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
On Linux in order for future hotplug work, we are required to interface
to udev to detect device creation/removal. In order to try and get
some earlier testing on this, this patch adds the ability to use
udev for device enumeration on Linux.
At startup the list of drm/kms devices is probed and this info is
used to load drivers.
A new driver probing method is introduced that passes the udev
device info to the driver for probing.
The probing integrates with the pci probing code and will fallback
to the pci probe and old school probe functions in turn.
The flags parameter to the probe function will be used later
to provide hotplug and gpu screen flags for the driver to behave
in a different way.
This patch changes the driver ABI, all drivers should at least
be set with a NULL udev probe function after this commit.
v2: rename to platform bus, now with 100% less udev specific,
this version passes config_odev_attribs around which are an array
of id/string pairs, then the udev code can attach the set of attribs
it understands, the OS specific code can attach its attrib, and then
the core/drivers can lookup the required attribs.
also add MATCH_PCI_DEVICES macro.
This version is mainly to address concerns raised by ajax.
v3: Address comments from Peter.
fix whitespace that snuck in.
rework to use a linked list with some core functions that
xf86 wraps.
v4: add free list, fix struct whitespace.
ajax this address most of your issues?
v5: drop probe ifdef, fix logic issue
v6: some overhaul after more testing.
Implement primaryBus for platform devices.
document hotplug.h dev attribs - drop sysname attrib
fix build with udev kms disabled
make probing work like the PCI probe code,
match against bus id if one exists, or primary device.
RFC: add new bus id support "PLAT:syspath". we probably
want to match on this a bit different, or use a different
property maybe. I was mainly wanting this for use with
specifying usb devices in xorg.conf directly, but PLAT:path
could also work I suppose.
v6.1: add missing noop platform function
v7: fix two interactions with pci probing and slot claiming, prevents
pci and platform trying to load two drivers for same slot.
v8: test with zaphod mode on -ati driver, fixup resulting issue
clean up common probe code into another function, change busid
matching to allow dropping end of strings.
v9: fix platform probing logic so it actually works.
v9.1: fix pdev init to NULL properly.
v10: address most of Keith's concerns.
v4 was thanks to Reviewed-by: Adam Jackson <ajax@redhat.com>
v5 was Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
