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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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- Drop some more safe regs taht userspace shouldn't hit
- Constant base regs need relocs. This allows us to use
constant buffers rather than the constant register file.
Also we don't want userspace to be able to set arbitrary
mc base values for the const caches.
- Track SQ_CONFIG so we know whether userspace is using
the cfile or constant buffers.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Only the drm should be touching them.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Replace a BUG_ON with an error code in the event that the inode mapping
changes between calls to drm_open. This may happen for instance if udev
is loaded subsequent to the original opening of the device:
[ 644.291870] kernel BUG at drivers/gpu/drm/drm_fops.c:146!
[ 644.291876] invalid opcode: 0000 [#1] SMP
[ 644.291882] last sysfs file: /sys/kernel/uevent_seqnum
[ 644.291888]
[ 644.291895] Pid: 7276, comm: lt-cairo-test-s Not tainted 2.6.34-rc1 #2 N150/N210/N220 /N150/N210/N220
[ 644.291903] EIP: 0060:[<c11c70e3>] EFLAGS: 00210283 CPU: 0
[ 644.291912] EIP is at drm_open+0x4b1/0x4e2
[ 644.291918] EAX: f72d8d18 EBX: f790a400 ECX: f73176b8 EDX: 00000000
[ 644.291923] ESI: f790a414 EDI: f790a414 EBP: f647ae20 ESP: f647adfc
[ 644.291929] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 644.291937] Process lt-cairo-test-s (pid: 7276, ti=f647a000 task=f73f5c80 task.ti=f647a000)
[ 644.291941] Stack:
[ 644.291945] 00000000 f7bb7400 00000080 f6451100 f73176b8 f6479214 f6451100 f73176b8
[ 644.291957] <0> c1297ce0 f647ae34 c11c6c04 f73176b8 f7949800 00000000 f647ae54 c1080ac5
[ 644.291969] <0> f7949800 f6451100 00000000 f6451100 f73176b8 f6452780 f647ae70 c107d1e6
[ 644.291982] Call Trace:
[ 644.291991] [<c11c6c04>] ? drm_stub_open+0x8a/0xb8
[ 644.292000] [<c1080ac5>] ? chrdev_open+0xef/0x106
[ 644.292008] [<c107d1e6>] ? __dentry_open+0xd4/0x1a6
[ 644.292015] [<c107d35b>] ? nameidata_to_filp+0x31/0x45
[ 644.292022] [<c10809d6>] ? chrdev_open+0x0/0x106
[ 644.292030] [<c10864e2>] ? do_last+0x346/0x423
[ 644.292037] [<c108789f>] ? do_filp_open+0x190/0x415
[ 644.292046] [<c1071eb5>] ? handle_mm_fault+0x214/0x710
[ 644.292053] [<c107d008>] ? do_sys_open+0x4d/0xe9
[ 644.292061] [<c1016462>] ? do_page_fault+0x211/0x23f
[ 644.292068] [<c107d0f0>] ? sys_open+0x23/0x2b
[ 644.292075] [<c1002650>] ? sysenter_do_call+0x12/0x26
[ 644.292079] Code: 89 f0 89 55 dc e8 8d 96 0a 00 8b 45 e0 8b 55 dc 83 78 04 01 75 28 8b 83 18 02 00 00 85 c0 74 0f 8b 4d ec 3b 81 ac 00 00 00 74 13 <0f> 0b eb fe 8b 4d ec 8b 81 ac 00 00 00 89 83 18 02 00 00 89 f0
[ 644.292143] EIP: [<c11c70e3>] drm_open+0x4b1/0x4e2 SS:ESP 0068:f647adfc
[ 644.292175] ---[ end trace 2ddd476af89a60fa ]---
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When there is allocation failure in radeon_cs_parser_relocs parser->nrelocs
is not cleaned. This causes NULL pointer defeference in radeon_cs_parser_fini
when clean up code is trying to loop over the relocation array and free the
objects.
Fix adds a check for a possible NULL pointer in clean up code.
Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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radeon_gart_fini might call GART unbind callback function which
might try to access GART table but if gart_disable is call first
the GART table will be unmapped so any access to it will oops.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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We can get this if the user moves the mouse when we are waiting to move
some stuff around in the validate. Don't fail.
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Check that atom cmd and data tables are valid
before using them.
(v2)
- fix some whitespace errors noticed by Rafał Miłecki
- check a few more cases
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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- no longer needed with the latest new pll algo fixes.
- also don't use lcd pll limits. They don't seem
to work well for all systems. If we have a case where
they are useful, we can set the flag for that case.
fixes fdo bug 27083
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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I missed rs4xx in 7f1e613daf0fdd0884316ab25a749db3c671329e
Fixes fdo bug 27219.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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RS4xx+ IGP chips use an internal gart, however,
some of them have the agp cap bits set in their pci
configs. Make sure to clear the AGP flag as AGP will
not work with them.
Should fix fdo bug 27225
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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- rs780/880 were using the wrong bandwidth functions
- convert r1xx-r4xx to use the same pm sclk/mclk structs as
r5xx+
- move bandwidth setup to a common function
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Replace hardcoded numbers with rdev->num_crtc.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes some issues with the last gfx init patch.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Make sure we have a crtc assigned to the encoder
before dereferencing it.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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Look up i2c bus in the power table and expose it.
You'll need to load a hwmon driver for any chips
on the bus, this patch just exposes the bus.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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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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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
x86/PCI: truncate _CRS windows with _LEN > _MAX - _MIN + 1
x86/PCI: for host bridge address space collisions, show conflicting resource
frv/PCI: remove redundant warnings
x86/PCI: remove redundant warnings
PCI: don't say we claimed a resource if we failed
PCI quirk: Disable MSI on VIA K8T890 systems
PCI quirk: RS780/RS880: work around missing MSI initialization
PCI quirk: only apply CX700 PCI bus parking quirk if external VT6212L is present
PCI: complain about devices that seem to be broken
PCI: print resources consistently with %pR
PCI: make disabled window printk style match the enabled ones
PCI: break out primary/secondary/subordinate for readability
PCI: for address space collisions, show conflicting resource
resources: add interfaces that return conflict information
PCI: cleanup error return for pcix get and set mmrbc functions
PCI: fix access of PCI_X_CMD by pcix get and set mmrbc functions
PCI: kill off pci_register_set_vga_state() symbol export.
PCI: fix return value from pcix_get_max_mmrbc()
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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: Stop trying to use ACPI lid status to determine LVDS connection.
drm/intel: fix up set_tiling for untiled->tiled transition
drm/i915: Set up the documented clock gating on Sandybridge and Ironlake.
agp/intel: Don't do the chipset flush on Sandybridge.
agp/intel: Respect the GTT size on Sandybridge for scratch page setup.
drm/i915: fix small leak on overlay error path
drm/i915: Avoid NULL deref in get_pages() unwind after error.
drm/i915: Fix check with IS_GEN6
drivers/gpu/drm/i915/intel_bios.c: fix continuation line formats
drm/i915: Enable VS timer dispatch.
drm/i915: Rename FBC_C3_IDLE to FBC_CTL_C3_IDLE to match other registers
drm/i915: remove an unnecessary wait_request()
drm/i915: Don't bother with the BKL for GEM ioctls.
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AMD says in section 2.5.4 (GFX MSI Enable) of #43291 (AMD 780G Family
Register Programming Requirements):
The SBIOS must enable internal graphics MSI capability in GCCFG by
setting the following: NBCFG.NB_CNTL.STRAP_MSI_ENABLE='1'
Quite a few BIOS writers misinterpret this sentence and think that
enabling MSI is an optional feature. However, clearing that bit just
prevents delivery of MSI messages but does not remove the MSI PCI
capabilities registers, and so leaves these devices unusable for any
driver that attempts to use MSI.
Setting that bit is not possible after the BIOS has locked down the
configuration registers, so we have to manually disable MSI for the
affected devices.
This fixes the codec communication errors in the HDA driver when
accessing the HDMI audio device, and allows us to get rid of the
overcautious quirk in radeon_irq_kms.c.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Tested-by: Alex Deucher <alexdeucher@gamil.com>
Cc: <stable@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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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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Bug introduced in
commit 10ae9bd25acf394c8fa2f9d795dfa9cec4d19ed6
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Feb 1 13:59:17 2010 +0100
drm/i915: blow away userspace mappings before fence change
The problem is that when there's no fence reg assigned and the object
is mapped at a fenceable offset in the gtt, the userspace mappings won't
be torn down. Which happens on untiled->tiled transition quite often
on 4th gen and later because there fencing does not have any special
alignment constraints (as opposed to 2nd and 3rd gen on which I've tested
the original commit).
Bugzilla: http://bugs.freedesktop.org/show_bug.cgi?id=26993
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Eric Anholt <eric@anholt.net> (fixes OpenArena)
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Eric Anholt <eric@anholt.net>
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We should free "params" before returning.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Cc: stable@kernel.org (for .33)
Signed-off-by: Eric Anholt <eric@anholt.net>
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Fixes:
http://bugzilla.kernel.org/show_bug.cgi?id=15527
NULL pointer dereference in i915_gem_object_save_bit_17_swizzle
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<f82b5d2b>] i915_gem_object_save_bit_17_swizzle+0x5b/0xc0 [i915]
Call Trace:
[<f82aea55>] ? i915_gem_object_put_pages+0x125/0x150 [i915]
[<f82aeb71>] ? i915_gem_object_get_pages+0xf1/0x110 [i915]
[<f82b0de8>] ? i915_gem_object_bind_to_gtt+0xb8/0x2a0 [i915]
[<c02db74d>] ? drm_mm_get_block_generic+0x4d/0x180
[<f82b11cd>] ? i915_gem_mmap_gtt_ioctl+0x16d/0x240 [i915]
[<f82ae786>] ? i915_gem_madvise_ioctl+0x86/0x120 [i915]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-by: maciej.rutecki@gmail.com
Cc: stable@kernel.org
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
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IS_GEN6 missed to include SandyBridge mobile chip, which failed in
i915_probe_agp() for memory config detection. Fix it with a device
info flag.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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String constants that are continued on subsequent lines with \ will cause
spurious whitespace in the resulting output.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Eric Anholt <eric@anholt.net>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
[anholt: whacked it to wrap to 80 columns instead]
Signed-off-by: Eric Anholt <eric@anholt.net>
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This could resolve HW deadlocks where a unit downstream of the VS is
waiting for more input, the VS has one vertex queued up but not
dispatched because it hopes to get one more vertex for 2x4 dispatch,
and software isn't handing more vertices down because it's waiting for
rendering to complete. The B-Spec says you should always have this
bit set.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The continue just after this call with loop around and wait for the
request just added just fine. This leads to slightly more compact code.
Signed-Off-by: Owain G. Ainsworth <oga@openbsd.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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We probably don't need it for most of the other driver ioctls as well,
but we explicitly did locking when doing the GEM pieces. On CPU-bound
graphics tasks, the BKL was showing up as 1-2% of CPU time.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Values such as max_brightness should be set before backlights are
registered, but the current API doesn't allow that. Add a parameter to
backlight_device_register and update drivers to ensure that they
set this correctly.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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This just an example to show what radeon_asic.h might be good for.
Before Jerome kills it ;)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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In essence this creates a home for all asic specific declarations in
radeon_asic.h
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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No one cares about it, so set it to void.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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With these static structs gone, radeon_asic.h is a real header file
and can be used as such.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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And move asic init plus a few related functions from radeon_device.c
to it. This file will hold all the asic structures in the future,
but atm they're still stuck in radeon_asic.h.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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* 'radeon-for-airlied' of ../linux-2.6:
drm/radeon/kms: prepare for more reclocking operations
drm/radeon/kms: switch to condition waiting for reclocking
drm/radeon/r600: add missing license and comments to r600_blit_shaders.c
drm/radeon/kms: improve coding style a little
drm/radeon/kms: remove dead audio/HDMI code
drm/radeon/kms: enable audio engine on DCE32
drm/radeon/kms: add HDMI code for pre-DCE3 R6xx GPUs
drm/radeon/kms: clean assigning HDMI blocks to encoders
drm/radeon/kms: clean HDMI definitions
drm/radeon/kms/rs4xx: make sure crtcs are enabled when setting timing
drm/radeon/kms/r1xx: enable hw i2c
drm/radeon/kms: fix i2c prescale calc on older radeons
drm/radeon/kms: fix for hw i2c
drm/radeon/kms: fix pal tv-out support on legacy IGP chips
drm/radeon/kms: further spread spectrum fixes
drm/radeon/kms: use lcd pll limits when available
drm/radeon/kms/atom: spread spectrum fix
drm/radeon/kms: catch atombios infinite loop and break out of it
drm/radeon: add new RS880 pci id
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* nouveau/for-airlied:
drm/nouveau: add module option to disable TV detection
drm/nouveau: Never evict VRAM buffers to system.
drm/nv50: fix connector table parsing for some cards
drm/nv50: add a memory barrier to pushbuf submission
drm/nouveau: print a message very early during suspend
drm/nv04-nv40: Fix up the programmed horizontal sync pulse delay.
drm/nouveau: Gigabyte NX85T connector table lies, it has DVI-I not HDMI
drm/nouveau: add option to allow override of dcb connector table types
drm/nv50: Improve PGRAPH interrupt handling.
drm/nv50: Make ctxprog wait until interrupt handler is done.
drm/nouveau: Fix fbcon corruption with font width not divisible by 8
drm/nv50: Remove redundant/incorrect ctxvals initialisation.
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Now the EDID property will be updated when the corresponding EDID can be
obtained from the external display device. But after the external device
is plugged-out, the EDID property is not updated. In such case we still
get the corresponding EDID property although it is already detected as
disconnected.
https://bugs.freedesktop.org/show_bug.cgi?id=26743
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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vmwfgx uses framebuffer interfaces, so it should depend on FB.
Otherwise it has these build errors (e.g., when CONFIG_FB=m):
drivers/built-in.o: In function `vmw_fb_close':
(.text+0x97713): undefined reference to `unregister_framebuffer'
drivers/built-in.o: In function `vmw_fb_close':
(.text+0x97754): undefined reference to `framebuffer_release'
drivers/built-in.o: In function `vmw_fb_init':
(.text+0x97e1c): undefined reference to `framebuffer_alloc'
drivers/built-in.o: In function `vmw_fb_init':
(.text+0x9838d): undefined reference to `register_framebuffer'
drivers/built-in.o: In function `vmw_fb_init':
(.text+0x9842a): undefined reference to `framebuffer_release'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Replace sequential calls to kobject_init() and kobject_add() with the
combo wrapper kobject_init_and_add(), which provides the same
semantics.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Now that the drm core can do this, lets just use it, split the code out
so TTM doesn't have to drag all of drmP.h in.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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We tried to implement interruptible waiting with timeout (it was broken
anyway) which was not a good idea as explained by Andrew. It's possible
to avoid using additional variable but actually it inroduces using more
complex in-kernel tools. So simply add one variable for condition.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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R6xx+ cards need to use the 3D engine to blit data which requires
quite a bit of hw state setup. Rather than pull the whole 3D driver
(which normally generates the 3D state) into the DRM, we opt to use
statically generated state tables. The regsiter state and shaders
were hand generated to support blitting functionality. See the 3D
driver or documentation for descriptions of the registers and
shader instructions.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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