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Disable any PCH ports associated with a pipe when disabling it. This
should prevent transcoder disable failures due to ports still being on.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[ickle: introduce *_PIPE_ENABLED() macro]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
... so we handle that for i915_gem_fault() in the same manner as
ERESTARTSYS, or we send a SIGBUS to the faulting application.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
The irony of the patch to fix the resume regression on PineView causing
a further regression on Ironlake is not lost on me.
Reported-by: Jeff Chua <jeff.chua.linux@gmail.com>
Reported-by: Björn Schließmann <chronoss@gmx.de>
Tested-by: Björn Schließmann <chronoss@gmx.de>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28802
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
The documentation recommends that we should use a polling method for TV
detection as this is more power efficient than the interrupt based
mechanism (as the encoder can be completely switched off). A secondary
effect is that leaving the hotplug enabled seems to be causing pipe
underruns as reported by Hugh Dickins on his Crestline.
Tested-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[This is a candidate for stable, but needs minor porting to 2.6.37]
If the user changes the force-audio property and it no longer reflects
the current configuration, then we need to trigger a mode set in order
to update the registers.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
If we have an EDID for a digital panel, but we are probing a non-TMDS
connector then we know that this is a false detection, and vice versa.
This should reduce the number of bogus outputs on multi-function
adapters that report the same output on multiple connectors.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34101
Reported-by: Sebastien Caty <sebastien.caty@mrnf.gouv.qc.ca>
Tested-by: Sebastien Caty <sebastien.caty@mrnf.gouv.qc.ca>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
The automatic powersaving feature is once again causing havoc, with 100%
reliable hangs on boot and resume on affected machines.
Reported-by: Francesco Allertsen <fallertsen@gmail.com>
Reported-by: Gui Rui <chaos.proton@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28582
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
We had some conversions over to the _PIPE macros, but didn't get
everything. So hide the per-pipe regs with an _ (still used in a few
places for legacy) and add a few _PIPE based macros, then make sure
everyone uses them.
[update: remove usage of non-existent no-op macro]
[update 2: keep modesetting suspend/resume code, update to new reg names]
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[ickle: stylistic cleanups for checkpatch and taste]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
A lot of minor tweaks to fix the tracepoints, improve the outputting for
ftrace, and to generally make the tracepoints useful again. It is a start
and enough to begin identifying performance issues and gaps in our
coverage.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
By returning EAGAIN upon a wedged GPU before attempting to wait, we
would hit an infinite loop of repeating operation without ever
progressing. Instead this needs to be EIO so that userspace knows that
the GPU is truly wedged and not in the process of error recovery.
Similarly, we need to handle the error recovery during i915_gem_fault.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
The PCH can drive several reference clocks simultaneously, and needs to
with multiple display configurations. So we can't just clobber the
existing state everytime we set a mode, we need to take into account
what the other CRTCs are doing at the time.
Doing so fixes an issue where you'd lose the LVDS display at boot if you
had an LVDS+DP config.
[updated: init bools and check CRTC status correctly]
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
When a transcoder is disabled, any ports pointing at it should also be
disabled. If they're not, we may fail to disable the transcoder,
leading to blank displays.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
These bits have a different meaning on ILK+, where planes are hardwired
to pipes. Fixing this avoid some spurious assertion failures.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This adds an initial framework to plug USB graphics devices
into the drm/kms subsystem.
I've started writing a displaylink driver using this interface.
Signed-off-by: Dave Airlie <airlied@redhat.com>
This abstracts the pci/platform interface out a step further,
we can go further but this is far enough for now to allow USB
to be plugged in.
The drivers now just call the init code directly for their
device type.
Signed-off-by: Dave Airlie <airlied@redhat.com>
This is just an idea that might or might not be a good idea,
it basically adds two ioctls to create a dumb and map a dumb buffer
suitable for scanout. The handle can be passed to the KMS ioctls to create
a framebuffer.
It looks to me like it would be useful in the following cases:
a) in development drivers - we can always provide a shadowfb fallback.
b) libkms users - we can clean up libkms a lot and avoid linking
to libdrm_*.
c) plymouth via libkms is a lot easier.
Userspace bits would be just calls + mmaps. We could probably
mark these handles somehow as not being suitable for acceleartion
so as top stop people who are dumber than dumb.
Signed-off-by: Dave Airlie <airlied@redhat.com>
SMP i810 systems were practically nonexistent and the configuration
was not officially supported by Intel at the time when Pentium-III
was common.
With this change, it is still possible to build a distribution kernel
that has support for SMP and includes the i810 driver without the BKL.
As a precaution, check for the theoretical SMP case at run time and
refuse to load the driver.
We also need to disable CONFIG_PREEMPT builds for this driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This driver is one of the last users of the big kernel
lock, which is going away. All the hardware supported
by this driver also works with the newer i915 driver,
and recent X.org releases only work with that driver
anyway.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (27 commits)
gpu/stub: fix acpi_video build error, fix stub kconfig dependencies
drm/radeon/kms: dynamically allocate power state space
drm/radeon/kms: fix s/r issues with bios scratch regs
agp: ensure GART has an address before enabling it
Revert "agp: AMD AGP is used on UP1100 & UP1500 alpha boxen"
amd-k7-agp: remove non-x86 code
drm/radeon/kms/evergreen: always set certain VGT regs at CP init
drm/radeon/kms: add updated ib_execute function for evergreen
drm/radeon: remove 0x4243 pci id
drm/radeon/kms: Enable new pll calculation for avivo+ asics
drm/radeon/kms: add new pll algo for avivo asics
drm/radeon/kms: add pll debugging output
drm/radeon/kms: switch back to min->max pll post divider iteration
drm/radeon/kms: rv6xx+ thermal sensor fixes
drm/nv50: fix display on 0x50
drm/nouveau: correctly pair hwmon_init and hwmon_fini
drm/i915: Only bind to function 0 of the PCI device
drm/i915: Suppress spurious vblank interrupts
drm: Avoid leak of adjusted mode along quick set_mode paths
drm: Simplify and defend later checks when disabling a crtc
...
In drm_crtc_helper_set_config, instead of always forcing all outputs
to DRM_MODE_DPMS_ON, only set them if the CRTC is actually getting a
mode set, as any mode set will turn all outputs on.
This fixes https://lkml.org/lkml/2011/1/24/457
Signed-off-by: Keith Packard <keithp@keithp.com>
Cc: stable@kernel.org (2.6.37)
Reported-and-tested-by: Carlos R. Mafra <crmafra2@gmail.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The comments under "config STUB_POULSBO" are close to correct,
but they are not being followed. This patch updates them to reflect
the requirements for THERMAL.
This build error is caused by STUB_POULSBO selecting ACPI_VIDEO
when ACPI_VIDEO's config requirements are not met.
ERROR: "thermal_cooling_device_register" [drivers/acpi/video.ko] undefined!
ERROR: "thermal_cooling_device_unregister" [drivers/acpi/video.ko] undefined!
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dave Airlie <airlied@redhat.com>
We previously used a static array, but some new systems
had more states then we had array space, so dynamically
allocate space based on the number of states in the vbios.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=33851
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
The accelerate mode bit gets checked by certain atom
command tables to set up some register state. It needs
to be clear when setting modes and set when not.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=26942
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
These should be handled by the clear_state setup, but set them
directly as well just to be sure.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Adds new packet to disable DX9 constant emulation.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Based on the vbios code. This should hopefully
fix the pll problems on a number of avivo asics
once it's enabled.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Some fixes to the thermal sensor code:
- handle negative numbers
- properly handle temp calculation on different asics
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
* 'intel/drm-intel-fixes' of /ssd/git/drm-next:
drm/i915: Only bind to function 0 of the PCI device
drm/i915: Suppress spurious vblank interrupts
drm: Avoid leak of adjusted mode along quick set_mode paths
drm: Simplify and defend later checks when disabling a crtc
drm: Don't switch fb when disabling an output
drm/i915: Reset crtc after resume
drm/i915/crt: Force the initial probe after reset
drm/i915: Reset state after a GPU reset or resume
drm: Add an interface to reset the device
drm/i915/sdvo: If at first we don't succeed in reading the response, wait
Accidently busted a while back. We'll be creating objects that aren't
necessary here, but, they're never used so no harm..
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
I broke this with my commit
07cfe0e7a820ecad078c04e9c2a102521709145d
This fixes fdo #33434
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The comments under "config STUB_POULSBO" are close to correct,
but they are not being followed. This patch updates them to reflect
the requirements for THERMAL.
This build error is caused by STUB_POULSBO selecting ACPI_VIDEO
when ACPI_VIDEO's config requirements are not met.
ERROR: "thermal_cooling_device_register" [drivers/acpi/video.ko] undefined!
ERROR: "thermal_cooling_device_unregister" [drivers/acpi/video.ko] undefined!
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Early chipsets (gen2/3) used function 1 as a placeholder for multi-head.
We used to ignore these since they were not assigned to
PCI_CLASS_DISPLAY_VGA. However with 934f992c7 we attempt to bind to all
Intel PCI_CLASS_DISPLAY devices (and functions) to work in multi-gpu
systems. This fails hard on gen2/3.
Reported-by: Ferenc Wágner <wferi@niif.hu>
Tested-by: Ferenc Wágner <wferi@niif.hu>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28012
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
With the recent SDVO fix, this is working on all the machines I have to
hand - except for an 845G.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Judging by comments in the BIOS, if the SDVO LVDS option h40 is enabled,
then we are supposed to query the real panel type via Int15. We don't do
this and so for the Sony Vaio VGC-JS210J which has otherwise default
values, we choose the wrong mode.
This patch adds a driver option, i915.vbt_sdvo_panel_type, which can be
used to override the value in the VBT.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=33691
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Hugh Dickins found that characters in xterm were going missing and oft
delayed. Being the curious type, he managed to associate this with the
new high-precision vblank patches; disabling these he found, restored
the orderliness of his characters.
The oddness begins when one realised that Hugh was not using vblanks at
all on his system (fvwm and some xterms). Instead, all he had to go on
were warning of a pipe underrun, curiously enough at around 60Hz. He
poked and found that in addition to the underrun warning, the hardware
was flagging the start of a new frame, a vblank, which in turn was
kicking off the pending vblank processing code.
There is little we can do for the underruns on Hugh's machine, a
Crestline [965GM], which must have its FIFO watermarks set to 8.
However, we do not need to process the vblank if we know that they are
disabled...
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
By setting the FB of a CRTC to NULL, we are turning off the CRTC (and so
disable the unused encoders and connectors). As such we can simplify the
later tests by making sure the set->mode is NULL. Setting the
num_connectors to zero means that we do not need to loop over the unused
connectors.
All current usage appears correct, this only builds additional defense
into the routine.
References: https://bugzilla.kernel.org/show_bug.cgi?id=27722
Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
