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git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel:
drm/i915: Disable FBC on Ironlake to save 1W
drm/i915: Take advantage of auto-polling CRT hotplug detection on PCH hardware
drm/i915/crt: Introduce struct intel_crt
drm/i915: Do not hold mutex when faulting in user addresses
drm: radeon: fix error value sign
drm/radeon/kms: fix and unify tiled buffer alignment checking for r6xx/7xx
drm/i915: Retire any pending operations on the old scanout when switching
drm/i915: Fix I2C adapter registration
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (40 commits)
drm/radeon/kms: i2c s/sprintf/snprintf/g for safety
drm/radeon/kms: fix i2c pad masks on rs4xx
drm/ttm: Fix up a theoretical deadlock
drm/radeon/kms: fix tiling info on evergreen
drm/radeon/kms: fix alignment when allocating buffers
drm/vmwgfx: Fix up an error path during bo creation
drm/radeon/kms: register an i2c adapter name for the dp aux bus
drm/radeon/kms/atom: add proper external encoders support
drm/radeon/kms/atom: cleanup and unify DVO handling
drm/radeon/kms: properly power up/down the eDP panel as needed (v4)
drm/radeon/kms/atom: set sane defaults in atombios_get_encoder_mode()
drm/radeon/kms: turn the backlight off explicitly for dpms
drm/radeon/kms: fix typo in r600 cs checker
drm: radeon: fix error value sign
drm/radeon/kms: fix and unify tiled buffer alignment checking for r6xx/7xx
nouveau: Acknowledge HPD irq in handler, not bottom half
drm/nouveau: Fix a few confusions between "chipset" and "card_type".
drm/nouveau: don't expose backlight control when available through ACPI
drm/nouveau/pm: improve memtiming mappings
drm/nouveau: Make PCIE GART size depend on the available RAMIN space.
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Frame buffer compression is broken on Ironlake due to buggy hardware.
Currently it is disabled through chicken bits, but it still consumes
over 1W more than if we simply never attempt to enable the FBC code
paths.
Signed-off-by: Alex Shi <alex.shi@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
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Both IBX and CPT have an automatic hotplug detection mode which appears to work reliably enough
that we can dispense with the manual force hotplug trigger stuff. This means that
hotplug detection is as simple as reading the current hotplug register values.
The first time the hotplug detection is activated, the code synchronously waits for a hotplug
sequence in case the hardware hasn't bothered to do a detection cycle since being initialized.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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We will use this structure in future patches to store CRT specific
information on the encoder.
Split out and tweaked from a patch by Keith Packard.
Signed-off-by: Keith Packard <keithp@kithp.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Linus Torvalds found that it was rather trivial to trigger a system
freeze:
In fact, with lockdep, I don't even need to do the sysrq-d thing: it
shows the bug as it happens. It's the X server taking the same lock
recursively.
Here's the problem:
=============================================
[ INFO: possible recursive locking detected ]
2.6.37-rc2-00012-gbdbd01a #7
---------------------------------------------
Xorg/2816 is trying to acquire lock:
(&dev->struct_mutex){+.+.+.}, at: [<ffffffff812c626c>] i915_gem_fault+0x50/0x17e
but task is already holding lock:
(&dev->struct_mutex){+.+.+.}, at: [<ffffffff812c403b>] i915_mutex_lock_interruptible+0x28/0x4a
other info that might help us debug this:
2 locks held by Xorg/2816:
#0: (&dev->struct_mutex){+.+.+.}, at: [<ffffffff812c403b>] i915_mutex_lock_interruptible+0x28/0x4a
#1: (&mm->mmap_sem){++++++}, at: [<ffffffff81022d4f>] page_fault+0x156/0x37b
This recursion was introduced by rearranging the locking to avoid the
double locking on the fast path (4f27b5d and fbd5a26d) and the
introduction of the prefault to encourage the fast paths (b5e4f2b). In
order to undo the problem, we rearrange the code to perform the access
validation upfront, attempt to prefault and then fight for control of the
mutex. the best case scenario where the mutex is uncontended the
prefaulting is not wasted.
Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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As per advice from Jean Delvare.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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These got lost in the last i2c cleanup. Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=23222
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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A process suspended waiting for a higher sequence or no sequence to unreserve,
a bo may be beaten to the reservation by a process with a lower sequence.
In that case the first process should give up trying to reserve and
return -EAGAIN. In order for that to happen, we must wake waiting processes
when we change sequence, so that they have a chance to detect the new
sequence.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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drm-fixes
* 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next: (25 commits)
nouveau: Acknowledge HPD irq in handler, not bottom half
drm/nouveau: Fix a few confusions between "chipset" and "card_type".
drm/nouveau: don't expose backlight control when available through ACPI
drm/nouveau/pm: improve memtiming mappings
drm/nouveau: Make PCIE GART size depend on the available RAMIN space.
drm/nouveau: Return error from nouveau_gpuobj_new if we're out of RAMIN.
drm/nouveau: Fix compilation issues in nouveau_pm when CONFIG_HWMON is not set
drm/nouveau: Don't use load detection for connector polling.
drm/nv10-nv20: Fix instability after MPLL changes.
drm/nv50: implement possible workaround for NV86 PGRAPH TLB flush hang
drm/nouveau: Don't poll LVDS outputs.
drm/nouveau: Use "force" to decide if analog load detection is ok or not.
drm/nv04: Fix scanout over the 16MB mark.
drm/nouveau: fix nv40 pcie gart size
drm/nva3: fix overflow in fixed point math used for pll calculation
drm/nv10: Balance RTs expected to be accessed simultaneously by the 3d engine.
drm/nouveau: Expose some BO usage flags to userspace.
drm/nouveau: Reduce severity of the unknown getparam error.
drm/nouveau: Avoid lock dependency between ramht and ramin spinlocks.
drm/nouveau: Some random cleanups.
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We aren't currently using tiling in userspace on evergreen,
but the info we currently return for the tiling info query
(gb_addr_config) is no adequate for userspace tiling alignment
calculations. It does not contain the bank info. Create a custom
tiling info dword with all the necessary info (num channels,
num banks, group size, row size).
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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We were previously dropping alignment requests on the floor
when allocating buffers so we always ended up page aligned.
Certain tiling modes on 6xx+ require larger alignment which
wasn't happening before.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Jerome Glisse <j.glisse@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This causes the connector to not be added since i2c init fails
for the adapter. Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=31688
Noticed by Ari Savolainen.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Ari Savolainen <ari.m.savolainen@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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These are external encoder chips connected via DVO or DP.
The actual external encoder programming is handled by the
kms encoder functions for primary encoder.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Handle all the various asic family specific things for DVO.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The eDP panel must be powered up for aux transactions, so power it
up for detect and mode probe functions, otherwise power it up or
down based on dpms.
v2:
- only mess with eDP panel on DCE4+
- only mess with eDP panel on eDP connectors, not all DP connectors
v3:
- be extra careful to only mess with eDP panels on eDP connectors
v4:
- avoid possible null derefernce if a connector has not been
assigned to the encoder
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If there was no connector mapped to the encoder, atombios_get_encoder_mode()
returned 0 which is the id for DP. Return something sane instead based on
the encoder id. This avoids hitting the DP paths on non-DP encoders.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Seems some newer systems require this explicitly.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Looks like a typo in:
drm/radeon/r600: fix tiling issues in CS checker.
(f30df2fad0c901e74ac9a52a488a54c69a373a41)
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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enable_vblank implementations should use negative result to indicate error.
radeon_enable_vblank() returns EINVAL in this case. Change this to -EINVAL.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Tiled buffers have the same alignment requirements regardless of
whether the surface is for db, cb, or textures. Previously, the
calculations where inconsistent for each buffer type.
- Unify the alignment calculations in a common function
- Standardize the alignment units (pixels for pitch/height/depth,
bytes for base)
- properly check the buffer base alignments
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The old code generated an interrupt storm bad enough to completely
take down my system.
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Avoid confusing userspace by not publishing backlight controls if ACPI
equivalents are available.
Reported-by: Aaron Sowry <aaron@aeneby.se>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Improvements:
- Fix bug in switch statement
- Add parts of 0x10022c, 0x10023c
- Clean up 0x100234
- Comment out assumption in 0x100228 until verified
Signed-off-by: Roy Spliet <r.spliet@student.tudelft.nl>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported-by: Tomas Miljenovic <tomasmiljenovic@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported-by: Tomas Miljenovic <tomasmiljenovic@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Analog output polling makes GL programs jerky when pageflip is being
used because it's carried out with the mode_config mutex held.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Nouveau sets the PCIE GART size to 64MiB for all cards before nv50,
but nv40 has enough RAMIN space to support 512MiB GART size. This
patch fixes this value to make use of this hardware capability.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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And a slight tweak which gets us closer to VBIOS-calculated numbers.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This will be needed for Z compression and to take smarter placement
decisions.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The ramht code called some gpuobj functions with the HARDIRQ-safe
RAMHT spinlock held, this could potentially lead to a dead lock
because ramin_lock is HARDIRQ-unsafe.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Remove some unused/duplicated definitions and make sparse happy again.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This allows the user to set a mode larger than the native one, useful
if we had trouble finding the actual native mode (e.g. because it goes
above the hardware bandwidth limits).
Reported-by: Grzesiek Sójka <pld@pfu.pl>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported-by: Grzesiek Sójka <pld@pfu.pl>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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There are two messages in the ISR of nouveau which might be printed out
hundred times in a second. Ratelimit them. (We need to move
nouveau_ratelimit to the top of the file.)
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Reviewed-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The big kernel lock has been removed from all these files at some point,
leaving only the #include.
Remove this too as a cleanup.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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enable_vblank implementations should use negative result to indicate error.
radeon_enable_vblank() returns EINVAL in this case. Change this to -EINVAL.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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