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Totally cribbed from xf86-video-amdgpu/-radeon:
commit 560b7fe6dc66405762020f00e9a05918a36f3a17
Author: Michel Dänzer <michel.daenzer@amd.com>
Date: Wed Nov 11 17:31:34 2015 +0900
Rename Option "NoAccel" to "Accel"
Renaming the option removes the need for a double negation when forcing
acceleration on and is backwards compatible as the option parser
automagically handles the 'No' prefix.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Just in case we want to debug the native vs software paths and allow
switching without recompiling. For the unfortunate
Section "Device"
Identifier "igfx"
Driver "intel"
Option "HWRotation" "off"
EndSection
default is for us to use HW rotation where available (for speed, reduced
resource usage and reduce power usage).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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As a slightly more convenient approach than loading the EDID on the
kernel command line, allow the user to specify the EDID path in the
Device section of xorg.conf, e.g.
Section "Device"
Identifier "igfx"
Option "CustomEDID" "DP1:/path/to/dp1.edid,DP2:/path/to/dp2.edid"
EndSection
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89945
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With a MST topology change, we can find outputs may disappear. We offered
a choice as to whether to simply disable them or completely remove them
from the listing of available outputs. However, clients never expected
that their operation on any output could trigger a BadID XError (or that
there is anyway to prevent race conditions). As such an option was made to
disable by default, but allow testing complete removal. Now the RandR
protocol has been clarified such that XID assigned to outputs are now
permanent, as such the option breaks the spec, so drop it.
See randrproto commit 895ee5264524c7c239ee4ef5e39c4e295323fb51
Author: Dave Airlie <airlied@redhat.com>
Date: Wed Apr 22 10:58:18 2015 +1000
randrproto: clarify output XID lifetimes.
This just makes a note that randr won't make outputs disappear
dynamically.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
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Allow Option "DRI" "[23]" to also work with UXA.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Clients are not yet ready for outputs that disappear at runtime, often
unexpectedly dieing with asynchronous BadOutput errors. A simple
workaround is to not remove any output just yet - but allow users to opt
in via xorg.conf, i.e.
Section "Device"
Option "DeleteUnusedDP12Displays" "true"
EndSection
The name chosen is to be consistent with the nvidia driver, which did
MST first and encountered all of these issues first, and has also been
adopted for -modesetting. If this is combined with persistent output
naming (i.e. based on DisplayPort branch topology), the number of
outputs presented to the user should be static.
Instead of removing the outputs, we have to mark them detached instead
to avoid throwing errors from the kernel.
Based on the patch for -modesetting by Dave Airlie.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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In commit dcf9b5ae1889926007cf8a0efd127e9df3c909de
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Sep 17 22:27:45 2013 +0100
intel: Compile fixes for base install of SLED11.sp3
the includes were juggled around to avoid pulling in xorg-server.h
outside of the driver. However, missing xorg-server.h leads to subtle
bugs in the layout of structures, in this case breaking xf86Options.
Reported-by: FBrown <francisbrwn9@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=69555
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Too often our implementation of vsync or pageflip is buggy, or for some
other reason it is desired by the user to disable those code paths. Make
it possible once again by restoring the Options for the user to control.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Previously, we instantiated a fake output in case we had a machine with
no output. (For certain server-class products.) The Bumblee project were
also doing something very similar in order to fake an extended desktop
on the Intel igfx and copy portions onto a discrete GPU. (The preferred
method for doing this upstream is through the use of PRIME). As the code
is very similar, we can support both use-cases simultaneously.
This adds the option:
Section "Device"
Driver "intel"
Option "VirtualHeads" "<count>"
EndSection
to allow the user to specify an additional set of fake outputs, which
can then be controlled using xrandr.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Specifying
Section "Device"
Option "ReprobeOutputs" "true"
EndSection
will restore the old behaviour of scanning each output on startup and
picking a spanning mode.
The behaviour was changed in
commit 8a6a21bff86100144ba7960fc32a299ac54ada83 [2.21.11]
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Jun 26 13:29:48 2013 +0100
sna: Use the existing configuration for initial modes
Please do notify us of any circumstances that force you to use this
flag.
References: https://bugs.freedesktop.org/show_bug.cgi?id=66494
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The kernel bugs have long since been fixed and should have been
propagated to all stable kernels long ago. Now there should be no need
to workaround those bugs.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Throttling and delayed-flush are now redundant.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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In case anyone ever wants to disable the default.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Otherwise it will remain disabled.
Reported-by: Giacomo Comes <comes@naic.edu>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The automatic selection may not correspond with the correct backlight
(such as in a multi-gpu, multi-panel device) or the user may simply
prefer another control interface. This allows them to override the
chosen interface using
Option "Backlight" "my-backlight"
to specify '/sys/class/backlight/my-backlight' as the interface to use
instead.
Suggested-by: Alon Levy <alevy@redhat.com>
References: https://bugs.freedesktop.org/show_bug.cgi?id=29273
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Run the risk of a GPU hang (it shouldn't endanger the entire machine
normally) and let the user elect to disable it through
Option "NoAccel" "true"
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This was an incomplete hack so deprecate in favour of Shadow-on-Steriods,
SNA.
References: https://bugs.freedesktop.org/show_bug.cgi?id=47324
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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As we've chosen to fix the kernel to handle CRTC offsets > 4096, drop
the automatic workaround. However, allow the user to force creation of
PerCrtcPixmaps for the purpose of debugging (and to workaround the bug
in older kernels) and to fallback to trying a shadow fb if the setcrtc
fails with the composite fb.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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With the introduction of the third pipe on IvyBridge it is possible to
encounter situations where the combination of the three monitors exceed
the limits of the scanout engine and so prevent them being used at their
native resolutions. (It is conceivable to hit similar issues on earlier
generation, especially gen2/3.) One workaround, this patch, is to extend
the RandR shadow support to break the extended framebuffer into per-crtc
pixmaps.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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It works everywhere, so when it is finally enabled, let it be.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Section "Device"
Option "AccelMethod" "uxa/glamor/sna"
EndSection
The appropriate backend must also be enabled at compile time for the
runtime option to be available (i.e. --enable-uxa (default) --enable-sna
--enable-glamor)
Demanded-by: Adam Jackson <ajax@redhat.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50290
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Unifies available options for both UXA and SNA drivers, and
moves them into a common header file, intel_opts.h.
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
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