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into drm-core-next
* 'anholt/drm-intel-next' of /home/airlied/kernel/drm-next: (48 commits)
agp/intel-gtt: kill previous_size assignments
agp/intel-gtt: kill intel_i830_tlbflush
agp/intel: split out gmch/gtt probe, part 1
agp/intel: kill mutli_gmch_chip
agp/intel: uncoditionally reconfigure driver on resume
agp/intel: split out the GTT support
agp/intel: introduce intel-agp.h header file
drm/i915: Don't touch PORT_HOTPLUG_EN in intel_dp_detect()
drm/i915/pch: Use minimal number of FDI lanes (v2)
drm/i915: Add the support of memory self-refresh on Ironlake
drm/i915: Move Pineview CxSR and watermark code into update_wm hook.
drm/i915: Only save/restore FBC on the platform that supports FBC
drm/i915: Fix the incorrect argument for SDVO SET_TV_format command
drm/i915: Add support of SDVO on Ibexpeak PCH
drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on).
drm/i915: do not read uninitialized ->dev_private
Revert "drm/i915: Use a dmi quirk to skip a broken SDVO TV output."
drm/i915: implement multifunction SDVO device support
drm/i915: remove unused intel_pipe_get_connector()
drm/i915: remove connector object in old output structure
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: Ignore LVDS EDID when it is unavailabe or invalid
drm/i915: Add no_lvds entry for the Clientron U800
drm/i915: Rename many remaining uses of "output" to encoder or connector.
drm/i915: Rename intel_output to intel_encoder.
agp/intel: intel_845_driver is an agp driver!
drm/i915: introduce to_intel_bo helper
drm/i915: Disable FBC on 915GM and 945GM.
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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The gen4 docs say it works, so why not. Tested on Ironlake.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This was brought over from UMS, and used for a while until we decided
that drm_helper_resume_force_mode was easier and more reliable, since
it didn't require duplicating all the code deleted here. We just
forgot to delete all that junk for a while.
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This trys to shut up complains about invalid LVDS EDID during
mode probe, but uses fixed panel mode directly for panels with
broken EDID.
https://bugs.freedesktop.org/show_bug.cgi?id=23099
https://bugs.freedesktop.org/show_bug.cgi?id=26395
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This one replaces original param for intel_ddc_get_modes() with
DRM connector and i2c bus adapter instead. With explicit params,
we won't require that a single driver structure must hold connector
and DDC bus reference, which ease the conversion to splitted encoder/
connector model.
It also clears up for some cases that we would steal other DDC bus
for mode probe, like VGA analog DDC probe for DVI-I. Also it fixed
a bug in old DVI-I probe handling, that failed to restore origin
analog GPIO port.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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BugLink: http://bugs.launchpad.net/ubuntu/bugs/544671
This system claims to have a LVDS but has not.
Signed-off-by: Stephane Graber <stgraber@ubuntu.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
CC: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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The intel_output naming is inherited from the UMS code, which had a
structure of screen -> CRTC -> output. The DRM code has an additional
notion of encoder/connector, so the structure is screen -> CRTC ->
encoder -> connector. This is a useful structure for SDVO encoders
which can support multiple connectors (each of which requires
different programming in the one encoder and could be connected to
different CRTCs), or for DVI-I, where multiple encoders feed into the
connector for whether it's used for digital or analog. Most of our
code is encoder-related, so transition it to talking about encoders
before we start trying to distinguish connectors.
This patch is produced by sed s/intel_output/intel_encoder/ over the
driver.
Signed-off-by: Eric Anholt <eric@anholt.net>
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I've been getting more and more quirk reports about this. It seems
clear at this point that other OSes are not using this for determining
whether the integrated panel should be turned on, and it is not
reliable for doing so. Better to light up an unintended panel than to
not light up the only usable output on the system.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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It would be good to disable the LVDS port when we shut down the panel
to save power. We haven't done so until now because we had trouble
getting the right LVDS parameters from the BIOS. I think we're past
that now, so enabling and disabling the port should be safe, though it
would probably be made cleaner with some additional changes to the
display code, where we also bang on the LVDS reg to set the pairing
correctly etc.
Seems to save a bit of power (up to 300mW in my basic wattsup
meter testing).
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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I think this is pretty much correct. Not really tested.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Eric Anholt <eric@anholt.net>
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* anholt/drm-intel-next:
drm/i915: Record batch buffer following GPU error
drm/i915: give up on 8xx lid status
drm/i915: reduce some of the duplication of tiling checking
drm/i915: blow away userspace mappings before fence change
drm/i915: move a gtt flush to the correct place
agp/intel: official names for Pineview and Ironlake
drm/i915: overlay: drop superflous gpu flushes
drm/i915: overlay: nuke readback to flush wc caches
drm/i915: provide self-refresh status in debugfs
drm/i915: provide FBC status in debugfs
drm/i915: fix drps disable so unload & re-load works
drm/i915: Fix OGLC performance regression on 945
drm/i915: Deobfuscate the render p-state obfuscation
drm/i915: add dynamic performance control support for Ironlake
drm/i915: enable memory self refresh on 9xx
drm/i915: Don't reserve compatibility fence regs in KMS mode.
drm/i915: Keep MCHBAR always enabled
drm/i915: Replace open-coded eviction in i915_gem_idle()
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These old machines more often than not lie about their lid state. So
don't use it to detect LVDS presence, but leave the event handler to
deal with lid open/close, when we might need to reset the mode.
Fixes kernel bug #15248
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
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Wrong Lid state reported.
Need to blacklist this machine for LVDS detection.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_lid_open() could take up to 10ms on my computer. Some component is
calling the drm GETCONNECTOR ioctl many times in a row. This results in
flickering (for example, when starting a video). Fix it by assuming an
always connected lid status.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reported-by: Philipp Kohlbecher <xt28@gmx.de>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Many platform support this feature, and it can provide significant
power savings when the reduced refresh rate is low. However, on some
platforms a secondary (reduced) timing is provided but not actually
supported by the hardware. This results in undesirable flicker at
runtime.
So disable the feature by default, but allow users to opt-in to the
reduced clock behavior with a new module parameter, lvds_downclock,
that can be set to 1 to enable the feature.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The HP comaq nx9020/Samsung SX20S laptop always report that the LID status is
closed and we can't use it reliabily for LVDS detection. So add the two boxes
into the quirk list.
http://bugzilla.kernel.org/show_bug.cgi?id=14957
http://bugzilla.kernel.org/show_bug.cgi?id=14554
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Dirk reports that nothing is displayed on LVDS when using ubuntu 9.1 after
close/reopen the LID. And I also reproduce this issue on another laptop.
After some tests and debug, it seems that it is related with that the
LVDS status is not updated in time in course of suspend/resume.
Now the LID state is used to check whether the LVDS is connected or
disconnected. And when the LID is closed, it means that the LVDS is
disconnected. When it is reopened, it means that the LVDS is connected.
At the same time on some distributions the LID event is also used to put
the system into suspend state. When the LID is closed, the system will enter
the suspend state. When the LID is reopened, the system will be resumed.
In such case when the LID is closed, user-space script will receive the LID
notification event and detect the LVDS as disconnected. Then the system will
enter the suspended state. When the LID is reopened, the system will be
resumed. As the LVDS status is not updated in course of resume, it will cause
that the LVDS connector is marked as unused and disabled. After the resume is
finished,user-space script will try to configure the display mode for LVDS.
But unfortunately as the LVDS status is not updated in time and it is still
marked as disconnected, the LVDS and its corresponding CRTC will be disabled
again in the function of drm_helper_disable_unused_functions after changing
mode for LVDS.
So we had better check and update the status of LVDS connector after receiving
the LID notication event. Then after the system is resumed from suspended
state, we can set the display mode for LVDS correctly.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reported-by: Dirk Hohndel <hohndel@infradead.org>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
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The MALATA PC-81005 laptop always reports that the LID status is closed and we
can't use it reliabily for LVDS detection. So add this box into the quirk list.
https://bugs.freedesktop.org/show_bug.cgi?id=25523
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Review-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Hector <hector1987@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Checking for the presence of a lid in order to validate whether or not
an LVDS display exists fails on some development platforms that implement
a lid device but allow the LVDS to be disabled. The VBT is correctly
updated, but Linux assumes that an LVDS is still present and lies to
userspace. Remove the lid check and trust the VBT.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (189 commits)
drm/radeon/kms: fix warning about cur_placement being uninitialised.
drm/ttm: Print debug information on memory manager when eviction fails
drm: Add memory manager debug function
drm/radeon/kms: restore surface registers on resume.
drm/radeon/kms/r600/r700: fallback gracefully on ucode failure
drm/ttm: Initialize eviction placement in case the driver callback doesn't
drm/radeon/kms: cleanup structure and module if initialization fails
drm/radeon/kms: actualy set the eviction placements we choose
drm/radeon/kms: Fix NULL ptr dereference
drm/radeon/kms/avivo: add support for new pll selection algo
drm/radeon/kms/avivo: fix some bugs in the display bandwidth setup
drm/radeon/kms: fix return value from fence function.
drm/radeon: Remove tests for -ERESTART from the TTM code.
drm/ttm: Have the TTM code return -ERESTARTSYS instead of -ERESTART.
drm/radeon/kms: Convert radeon to new TTM validation API (V2)
drm/ttm: Rework validation & memory space allocation (V3)
drm: Add search/get functions to get a block in a specific range
drm/radeon/kms: fix avivo tiling regression since radeon object rework
drm/i915: Remove a debugging printk from hangcheck
drm/radeon/kms: make sure i2c id matches
...
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IGD* isn't a useful name. Replace with the codenames, as sourced from
pci.ids.
Signed-off-by: Adam Jackson <ajax@redhat.com>
[anholt: Fixed up for merge with pineview/ironlake changes]
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Assume that either the presence of an LVDS entry in the VBT or an ACPI
lid device indicates an LVDS device. ACPI lid alone is not sufficient.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We not only check the device type, but also check the addin_offset. If the
addin_offset is zero, it won't be initialized.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
[anholt: hand-applied due to conflicts]
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In failure path, make sure encoder is cleaned up, otherwise there
is a kernel oops.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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If more than one mode with the same resolution defined in EDID has different
refresh rate, it is thought that the downclock is found for LVDS.
We will program the different FPx0/1 register so that we can select dynamically
between the low and high frequency.
On the g4x platform we will use the CxSR feature to switch the different
refresh rate if the LVDS downclock feature is supported.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The existing interface only has a pre-order callback. This change
adds an additional parameter for a post-order callback which will
be more useful for bus scans. ACPICA BZ 779.
Also update the external calls to acpi_walk_namespace.
http://www.acpica.org/bugzilla/show_bug.cgi?id=779
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Replace the DRM_DEBUG with DRM_DEBUG_KMS in output device code.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: Ironlake suspend/resume support
drm/i915: kill warning in intel_find_pll_g4x_dp
drm/i915: update watermarks before enabling PLLs
drm/i915: add FIFO watermark support for G4x
drm/i915: quiet DP i2c init
drm/i915: fix panel fitting filter coefficient select for Ironlake
drm/i915: fix to setup display reference clock control on Ironlake
drm/i915: Install a fence register for fbc on g4x
drm/i915: save/restore BLC histogram control reg across suspend/resume
drm/i915: Fix FDI M/N setting according with correct color depth
drm/i915: disable powersave feature for Ironlake currently
drm/i915: Fix render reclock availability detection.
drm/i915: Save and restore the GM45 FBC regs on suspend and resume.
drm/i915: Set the LVDS_BORDER when using LVDS scaling mode
drm/i915: disable FBC for Pineview, fixing a boot hang.
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In commit c1c7af60892070e4b82ad63bbfb95ae745056de0 ("drm/i915: force
mode set at lid open time") the intel graphics driver was taught to
restore the LVDS mode on lid open.
That caused problems with interaction with the suspend/resume code,
which commonly runs at the same time (suspend is often caused by the lid
close event, while lid open is commonly a resume event), which was
worked around with in commit 06891e27a9b5dba5268bb80e41a283f51335afe7
("drm/i915: fix suspend/resume breakage in lid notifier").
However, in the meantime the lid event code had also grown a user event
notifier (commit 06324194eee97a51b5f172270df49ec39192d6cc: "drm/i915:
generate a KMS uevent at lid open/close time"), and now _that_ causes
problems with suspend/resume and some versions of Xorg reacting to those
uevents by setting the mode.
So this effectively reverts that commit 06324194ee, and makes the lid
open protection logic against suspend/resume more explicit. This fixes
at least one laptop. See
http://bugzilla.kernel.org/show_bug.cgi?id=14484
for more details.
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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According to the spec the LVDS_BORDER_ENABLE bit decides whether the border
data should be included in the active display and data sent to the panel.
Border should be used when in VGA centered (un-scaled) mode or when scaling
a 4:3 source image to a wide screen panel (typical 16:9).
So when the LVDS scaling is used, decide whether the LVDS_BORDER should be
enabled or not according to the current scaling mode.
At the same time fix the typo error in LVDS center scaling mode.
https://bugs.freedesktop.org/show_bug.cgi?id=23789
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
tested-by: Zhao Jian <jian.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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It reports closed when open, leading to "no outputs found" at startup
unless a VGA cable is plugged in.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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We now unconditionally restore the mode at lid open time since some
platforms turn off the panel, pipes or other display elements when the
lid is closed. There's a problem with doing this at resume time
however.
At resume time, we'll get a lid event, but restoring the mode at that
time may not be safe (e.g. if we get the lid event before global state
has been restored), so check the suspended state and make sure our
restore is locked against other mode updates.
Tested-by: Ben Gamari <bgamari.foss@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Arrandale has new window based method for panel fitting.
This one enables full screen aspect scaling on LVDS. It fixes
standard mode display failure on LVDS for Arrandale.
Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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With all the other lid pieces in place, it's easy to generate a uevent
for the LVDS connector just like we do for other outputs. Should make
lid open/close fit in with the rest of a userland based output
reconfiguration scheme.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We can't load or hotplug detect LVDS like we can other outputs, but if
there's a lid device present we can use it as a proxy. This allows the
LFP state to be determined at ->detect time, making configurations
requiring manual intervention today "just work" assuming the lid device
status is correct.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Some laptop platforms will disable pipes and/or planes at lid close time
and not restore them when the lid is opened again. So catch the lid
event, and if the lid was opened, force a mode restore.
Fixes fdo bug #21230.
Acked-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Merge remote branch 'anholt/drm-intel-next' of ../anholt-2.6 into drm-next
Conflicts:
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_drv.h
drivers/gpu/drm/i915/intel_sdvo.c
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Based on Bspec each encoder has different sharing pipe property,
i.e. Integrated or SDVO TV both will occupy one pipe exclusively,
and sdvo-non-tv and crt are allowed to share one. The patch moves
sharing judgment into differnet output functions, and sets the right
clone bit.
This fixes both HDMI outputs choosing the same pipe.
https://bugs.freedesktop.org/show_bug.cgi?id=22247
Signed-off-by: Ma Ling <ling.ma@intel.com>
Reviewed-by : Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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linux-next conflict reported needed resolution.
Conflicts:
drivers/gpu/drm/drm_crtc.c
drivers/gpu/drm/drm_edid.c
drivers/gpu/drm/i915/intel_sdvo.c
drivers/gpu/drm/radeon/radeon_ttm.c
drivers/gpu/drm/ttm/ttm_bo.c
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Now that we're using the scaling property in the Intel driver I noticed
that the names were a bit confusing. I've corrected them according to
our discussion on IRC and the mailing list, though I've left out
potential new additions for a new scaling property with an integer (or
two) for the scaling factor. None of the drivers implement that today,
but if someone wants to do it, I think it could be done with the
addition of a single new type and a new property to describe the
scaling factor in the X and Y directions.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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We will have to add a prefix when using the macro defintion of DRM_DEBUG_KMS
/DRM_DEBUG_DRIVER/MODE. It is not convenient. We should use the DRM_NAME
as default prefix.
So remove the prefix in the macro definition of DRM_DEBUG_KMS/DRIVER/MODE.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This adds embedded DisplayPort support on next mobile chip which
aims to replace origin LVDS port. VBT's driver feature block has
been used to determine the type of current internal panel for eDP
or LVDS.
Currently no panel fitting support for eDP and backlight control
would be added in future.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This motherboard thinks it has an LVDS connected, so without this
patch the screen goes blank on the connected VGA monitor. More
information (for the non-KMS case) in fd.o bug #18004.
Signed-off-by: Tormod Volden <debian.tormod@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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On some boxes the mobile chipset is used and there is no LVDS device. In such
case we had better not initialize the LVDS output device so that one pipe can
be used for other output device. For example: E-TOP.
But unfortunately the LVDS device is still initialized on the boxes based on
mobile chipset in KMS mode. It brings that this pipe occupied by LVDS can't be
used for other output device.
After checking the acpidump we find that there is no LID device on such boxes.
In such case we can use the LID device to decide whether the LVDS device should
be initialized.
If there is no LID device, we can think that there is no LVDS device. It is
unnecessary to initialize the LVDS output device.
If there exists the LID device, it will continue the current flowchart.
Maybe on some boxes there is no LVDS device but the LID device is found. In
such case it should be added to the quirk list.
http://bugs.freedesktop.org/show_bug.cgi?id=21496
http://bugs.freedesktop.org/show_bug.cgi?id=21856
http://bugs.freedesktop.org/show_bug.cgi?id=21127
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[anholt: squashed in style fixups]
Signed-off-by: Eric Anholt <eric@anholt.net>
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