| Commit message (Collapse) | Author | Age |
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* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
ALSA: AACI: fix timeout duration
ALSA: AACI: fix timeout condition checking
ARM: 6636/1: ep93xx: default multiplexed gpio ports to gpio mode
ARM: 6637/1: Make the argument to virt_to_phys() "const volatile"
ARM: twd: ensure timer reload is reprogrammed on entry to periodic mode
ARM: 6635/2: Configure reference clock for Versatile Express timers
ARM: versatile: name configuration options after actual board names
ARM: realview: name configuration options after actual board names
ARM: realview,vexpress: fix section mismatch warning for pen_release
ARM: 6632/3: mmci: stop using the blockend interrupts
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Implement a suggestion from Russell to drop the use of blockend
interrupts altogether and instead rely on the data counter.
Tested with error-free cards on U300, U8500 and RealView PB1176.
Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
* 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6:
mailmap: Add an entry for Axel Lin.
video: fix some comments in drivers/video/console/vgacon.c
drivers/video/bf537-lq035.c: Add missing IS_ERR test
video: pxa168fb: remove a redundant pxa168fb_check_var call
video: da8xx-fb: fix fb_probe error path
video: pxa3xx-gcu: Return -EFAULT when copy_from_user() fails
video: nuc900fb: properly free resources in nuc900fb_remove
video: nuc900fb: fix compile error
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Now vgacon_scrollback_startup() uses slab, not bootmem,
the comment above it is obsolete, so does __init_refok.
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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lcd_device_register may return ERR_PTR, so a check is added for this value
before the dereference. All of the other changes reorganize the error
handling code in this function to avoid duplicating all of it in the added
case.
In the original code, in one case, the global variable fb_buffer was set to
NULL in error code that appears after this variable is initialized. This
is done now in all error handling code that has this property.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r@
identifier f;
@@
f(...) { ... return ERR_PTR(...); }
@@
identifier r.f, fld;
expression x;
statement S1,S2;
@@
x = f(...)
... when != IS_ERR(x)
(
if (IS_ERR(x) ||...) S1 else S2
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*x->fld
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Current implementation calls pxa168fb_check_var twice in pxa168fb_probe.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Current implementation puts CONFIG_CPU_FREQ at wrong place, CONFIG_CPU_FREQ
is for lcd_da8xx_cpufreq_deregister not for unregister_framebuffer.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Return -EFAULT instead of number of bytes that could not be copied if
copy_from_user() fails.
Also fix a typo in the comments.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch fixes below compile error:
CC drivers/video/nuc900fb.o
drivers/video/nuc900fb.c: In function 'nuc900fb_suspend':
drivers/video/nuc900fb.c:726: error: too few arguments to function 'nuc900fb_stop_lcd'
drivers/video/nuc900fb.c: In function 'nuc900fb_resume':
drivers/video/nuc900fb.c:743: error: 'bfinfo' undeclared (first use in this function)
drivers/video/nuc900fb.c:743: error: (Each undeclared identifier is reported only once
drivers/video/nuc900fb.c:743: error: for each function it appears in.)
make[2]: *** [drivers/video/nuc900fb.o] Error 1
make[1]: *** [drivers/video] Error 2
make: *** [drivers] Error 2
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Fix build of sh7750 base boards
sh: update INTC to clear IRQ sense valid flag
sh: Fix sh build failure when CONFIG_SFC=m
sh: fix MSIOF0 SPI on ecovec: it conflicts with VOU
sh: support XZ-compressed kernel.
sh: Fix up breakage from asm-generic/pgtable.h changes.
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Clear the valid flag is in the INTC code.
Without this fix bit 7 of the sense register
is mistakenly set.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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GPL V2 should be GPL v2
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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busy_loop() returns negative error code, thus change err variable
from u32 to int to properly propagate correct error code.
Also remove unneeded initialization for err and i variables.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-38-rc3' of git://codeaurora.org/quic/kernel/davidb/linux-msm:
drivers: mmc: msm: remove clock disable in probe
mmc: msm: fix dma usage not to use internal APIs
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The probe function adds the MMC host which can start accepting request
immediately. There is an assumption here that no requests happen
immediatly, but it's not always the case. This assumption can causes
a BUG() when the clocks are disabled. The fix is to just remove the
clock disable in the probe function.
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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Remove parts of this driver which use internal API calls. This
replaces the calls as suggested by Russell King.
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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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:
drm/radeon/kms: add new radeon_info ioctl query for clock crystal freq
drm/i915: Prevent uninitialised reads during error state capture
drm/i915: Use consistent mappings for OpRegion between ACPI and i915
drm/i915: Handle the no-interrupts case for UMS by polling
drm/i915: Disable high-precision vblank timestamping for UMS
drm/i915: Increase the amount of defense before computing vblank timestamps
drm/i915,agp/intel: Do not clear stolen entries
drm/radeon/kms: simplify atom adjust pll setup
drm/radeon/kms: match r6xx/r7xx/evergreen asic_reset with previous asics
drm/radeon/kms: make the mac rv630 quirk generic
drm/radeon/kms: fix a spelling error in an error message
drm/radeon/kms: Initialize pageflip spinlocks.
drm/i915: Recognise non-VGA display devices
drm/i915: Fix use of invalid array size for ring->sync_seqno
drm/i915/ringbuffer: Fix use of stale HEAD position whilst polling for space
drm/i915: Don't kick-off hangcheck after a DRI interrupt
drm/i915: Add dependency on CONFIG_TMPFS
drm/i915: Initialise ring vfuncs for old DRI paths
drm/i915: make the blitter report buffer modifications to the FBC unit
drm/i915: set more FBC chicken bits
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ssh://master.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel into drm-fixes
* 'drm-intel-fixes-2' of ssh://master.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel: (30 commits)
drm/i915: Prevent uninitialised reads during error state capture
drm/i915: Use consistent mappings for OpRegion between ACPI and i915
drm/i915: Handle the no-interrupts case for UMS by polling
drm/i915: Disable high-precision vblank timestamping for UMS
drm/i915: Increase the amount of defense before computing vblank timestamps
drm/i915,agp/intel: Do not clear stolen entries
Remove MAYBE_BUILD_BUG_ON
BUILD_BUG_ON: make it handle more cases
module: fix missing semicolons in MODULE macro usage
param: add null statement to compiled-in module params
module: fix linker error for MODULE_VERSION when !MODULE and CONFIG_SYSFS=n
module: show version information for built-in modules in sysfs
selinux: return -ENOMEM when memory allocation fails
tpm: fix panic caused by "tpm: Autodetect itpm devices"
TPM: Long default timeout fix
trusted keys: Fix a memory leak in trusted_update().
keys: add trusted and encrypted maintainers
encrypted-keys: rename encrypted_defined files to encrypted
trusted-keys: rename trusted_defined files to trusted
drm/i915: Recognise non-VGA display devices
...
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error_bo and pinned_bo could be used uninitialised if there were no
active buffers.
Caught by kmemcheck.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The opregion is a shared memory region between ACPI and the graphics
driver. As the ACPI mapping has been changed to cachable in commit
6d5bbf00d251cc73223a71422d69e069dc2e0b8d, mapping the intel opregion
non-cachable now fails. As no bus-master hardware is involved in the
opregion, cachable map should do no harm.
Tested on a Fujitsu Lifebook P8010.
Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
[ickle: convert to acpi_os_ioremap for consistency]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Merge with Linus to resolve conflicting fixes for the reusing the stale
HEAD value during intel_ring_wait().
Conflicts:
drivers/gpu/drm/i915/intel_ringbuffer.c
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If the driver calls into the kernel to wait for a breadcrumb to pass,
but hasn't enabled interrupts, fallback to polling the breadcrumb value.
Reported-by: Chris Clayton <chris2553@googlemail.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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We only have sufficient information for accurate (sub-frame) timestamping
when the modesetting is under our control.
Reported-by: Chris Clayton <chris2553@googlemail.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Reviewed-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Reported-by: Chris Clayton <chris2553@googlemail.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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We can only utilize the stolen portion of the GTT if we are in sole
charge of the hardware. This is only true if using GEM and KMS,
otherwise VESA continues to access stolen memory.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Tested-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Starting with SandyBridge (though possible with earlier hacked BIOSes),
the BIOS may initialise the IGFX as secondary to a discrete GPU. Prior,
it would simply disable the integrated GPU. So we adjust our PCI class
mask to match any DISPLAY_CLASS device.
In such a configuration, the IGFX is not a primary VGA controller and
so should not take part in VGA arbitration, and the error return from
vga_client_register() is expected.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
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There are I915_NUM_RINGS-1 inter-ring synchronisation counters, but we
were clearing I915_NUM_RINGS of them. Oops.
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Tested-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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During suspend, Linus found that his machine would hang for 3 seconds,
and identified that intel_ring_buffer_wait() was the culprit:
"Because from looking at the code, I get the notion that
"intel_read_status_page()" may not be exact. But what happens if that
inexact value matches our cached ring->actual_head, so we never even
try to read the exact case? Does it _stay_ inexact for arbitrarily
long times? If so, we might wait for the ring to empty forever (well,
until the timeout - the behavior I see), even though the ring really
_is_ empty."
As the reported HEAD position is only updated every time it crosses a
64k boundary, whilst draining the ring it is indeed likely to remain one
value. If that value matches the last known HEAD position, we never read
the true value from the register and so trigger a timeout.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Hangcheck and error recovery is only used by GEM.
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Without tmpfs, shmem_readpage() is not compiled in causing an OOPS as
soon as we try to allocate some swappable pages for GEM.
Jan 19 22:52:26 harlie kernel: Modules linked in: i915(+) drm_kms_helper cfbcopyarea video backlight cfbimgblt cfbfillrect
Jan 19 22:52:26 harlie kernel:
Jan 19 22:52:26 harlie kernel: Pid: 1125, comm: modprobe Not tainted 2.6.37Harlie #10 To be filled by O.E.M./To be filled by O.E.M.
Jan 19 22:52:26 harlie kernel: EIP: 0060:[<00000000>] EFLAGS: 00010246 CPU: 3
Jan 19 22:52:26 harlie kernel: EIP is at 0x0
Jan 19 22:52:26 harlie kernel: EAX: 00000000 EBX: f7b7d000 ECX: f3383100 EDX: f7b7d000
Jan 19 22:52:26 harlie kernel: ESI: f1456118 EDI: 00000000 EBP: f2303c98 ESP: f2303c7c
Jan 19 22:52:26 harlie kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Jan 19 22:52:26 harlie kernel: Process modprobe (pid: 1125, ti=f2302000 task=f259cd80 task.ti=f2302000)
Jan 19 22:52:26 harlie kernel: Stack:
Jan 19 22:52:26 harlie udevd-work[1072]: '/sbin/modprobe -b pci:v00008086d00000046sv00000000sd00000000bc03sc00i00' unexpected exit with status 0x0009
Jan 19 22:52:26 harlie kernel: c1074061 000000d0 f2f42b80 00000000 000a13d2 f2d5dcc0 00000001 f2303cac
Jan 19 22:52:26 harlie kernel: c107416f 00000000 000a13d2 00000000 f2303cd4 f8d620ed f2cee620 00001000
Jan 19 22:52:26 harlie kernel: 00000000 000a13d2 f1456118 f2d5dcc0 f1a40000 00001000 f2303d04 f8d637ab
Jan 19 22:52:26 harlie kernel: Call Trace:
Jan 19 22:52:26 harlie kernel: [<c1074061>] ? do_read_cache_page+0x71/0x160
Jan 19 22:52:26 harlie kernel: [<c107416f>] ? read_cache_page_gfp+0x1f/0x30
Jan 19 22:52:26 harlie kernel: [<f8d620ed>] ? i915_gem_object_get_pages+0xad/0x1d0 [i915]
Jan 19 22:52:26 harlie kernel: [<f8d637ab>] ? i915_gem_object_bind_to_gtt+0xeb/0x2d0 [i915]
Jan 19 22:52:26 harlie kernel: [<f8d65961>] ? i915_gem_object_pin+0x151/0x190 [i915]
Jan 19 22:52:26 harlie kernel: [<c11e16ed>] ? drm_gem_object_init+0x3d/0x60
Jan 19 22:52:26 harlie kernel: [<f8d65aa5>] ? i915_gem_init_ringbuffer+0x105/0x1e0 [i915]
Jan 19 22:52:26 harlie kernel: [<f8d571b7>] ? i915_driver_load+0x667/0x1160 [i915]
Reported-by: John J. Stimson-III <john@idsfa.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
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We weren't setting up the vfunc table when initialising the old DRI
ringbuffer, leading to such OOPSes as:
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<(null)>] (null)
PGD 10c441067 PUD 1185e5067 PMD 0
Oops: 0010 [#1] PREEMPT SMP
last sysfs file: /sys/class/dmi/id/chassis_asset_tag
CPU 3
Modules linked in: i915 drm_kms_helper drm fb fbdev i2c_algo_bit
cfbcopyarea video backlight output cfbimgblt cfbfillrect autofs4 ipv6
nfs lockd fscache nfs_acl auth_rpcgss sunrpc coretemp hwmon_vid mousedev
usbhid hid option usb_wwan snd_hda_codec_via asus_atk0110 atl1e
usbserial snd_hda_intel snd_hda_codec firmware_class snd_hwdep snd_pcm
snd_seq snd_timer snd_seq_device processor parport_pc thermal snd
thermal_sys parport 8250_pnp button rng_core rtc_cmos shpchp hwmon
rtc_core ehci_hcd pci_hotplug uhci_hcd soundcore tpm_tis i2c_i801
rtc_lib tpm serio_raw snd_page_alloc tpm_bios i2c_core usbcore psmouse
intel_agp sg pcspkr sr_mod evdev cdrom ext3 jbd mbcache dm_mod sd_mod
ata_piix libata scsi_mod unix
Jan 18 15:49:29 lithui kernel:
Pid: 3605, comm: Xorg Not tainted 2.6.36.2 #5 P5KPL-CM/System Product
Name
RIP: 0010:[<0000000000000000>] [<(null)>] (null)
RSP: 0018:ffff8801150d1d40 EFLAGS: 00010202
RAX: 000000000001ffff RBX: ffff88011a011b00 RCX: 000000000001a704
RDX: ffff880118566028 RSI: ffff880118566028 RDI: ffff880117876800
RBP: ffff8801150d1d48 R08: ffff8801195fe300 R09: 00000000c0086444
R10: 0000000000000001 R11: 0000000000003206 R12: ffff880117876800
R13: ffff880118566000 R14: ffff880117876820 R15: ffff8801150d1df8
FS: 00007f1038d456e0(0000) GS:ffff880001780000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001187e7000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process Xorg (pid: 3605, threadinfo ffff8801150d0000, task
ffff88011b016e40)
Stack:
ffffffffa043b8e6 ffff8801150d1d98 ffffffffa041768b dead000000000000
<0> 0000000000000048 00007f1023f2a000 0000000000000044 0000000000000008
<0> ffff88010d26bd80 ffff880117876800 ffff8801150d1df8 ffff8801150d1ea8
Call Trace:
[<ffffffffa043b8e6>] ? intel_ring_advance+0x16/0x20 [i915]
[<ffffffffa041768b>] i915_irq_emit+0x15b/0x240 [i915]
[<ffffffffa03ea7b1>] drm_ioctl+0x1f1/0x460 [drm]
[<ffffffffa0417530>] ? i915_irq_emit+0x0/0x240 [i915]
[<ffffffff810dd8f1>] ? do_sync_read+0xd1/0x120
[<ffffffff81025b1f>] ? do_page_fault+0x1df/0x3d0
[<ffffffff810ed5c7>] do_vfs_ioctl+0x97/0x550
[<ffffffff8115c2ea>] ? security_file_permission+0x7a/0x90
[<ffffffff810edb19>] sys_ioctl+0x99/0xa0
[<ffffffff810024ab>] system_call_fastpath+0x16/0x1b
Code: Bad RIP value.
RIP [<(null)>] (null)
RSP <ffff8801150d1d40>
CR2: 0000000000000000
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Herbert Xu <herbert@gondor.apana.org.au>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29153
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=23172
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
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Without this change, blits to the front buffer won't invalidate FBC
state, causing us to scan out stale data. Make sure we update these
bits on every FBC enable, since they may get clobbered if we shut off
the display.
References: https://bugzilla.kernel.org/show_bug.cgi?id=26932
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Add a couple of missing workaround bits for ILK & SNB. These disable
clock gating on a couple of units that would otherwise prevent FBC from
working.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Needed for timer queries in the 3D driver.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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Don't reset if the engine isn't busy. This matches the behavior of
previous asics. Reseting a non-hung block can lead to a hang.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=33272
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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Seems some other boards do this as well.
Reported-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@gmail.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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I'm amazed but not really surprised this worked on x86...
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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Fix a shutdown regression caused by 2a2d31c8dc6f ("intel_idle: open
broadcast clock event"). The clockevent framework can automatically
shutdown broadcast timers for hotremove CPUs. And we get a shutdown
regression when we shutdown broadcast timer for hot remove CPU, so just
delete some code.
Also fix some section mismatch.
Reported-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
RTC: Remove Kconfig symbol for UIE emulation
RTC: Properly handle rtc_read_alarm error propagation and fix bug
RTC: Propagate error handling via rtc_timer_enqueue properly
acpi_pm: Clear pmtmr_ioport if acpi_pm initialization fails
rtc: Cleanup removed UIE emulation declaration
hrtimers: Notify hrtimer users of switches to NOHZ mode
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The effect of changing the value of this symbol is gone since 042620a
(RTC: Remove UIE emulation).
Remove symbol too.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
LKML-Reference: <1295625406-15340-1-git-send-email-u.kleine-koenig@pengutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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In reviewing cases where the virtualized interfaces didn't propagate
errors properly, I noticed rtc_read_alarm needed fixing. In doing
so I noticed my RTC rework dropped a memset and that the behavior
of rtc_read_alarm shouldn't be conditionalized on the alarm.enabled
flag (as the alarm may be set, but the irqs may be disabled). So
those were corrected as well.
CC: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
LKML-Reference: <1295565973-14358-2-git-send-email-john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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In cases where RTC hardware does not support alarms, the virtualized
RTC interfaces did not have a way to propagate the error up to userland.
This patch extends rtc_timer_enqueue so it catches errors from the hardware
and returns them upwards to the virtualized interfaces. To simplify error
handling, it also internalizes the management of the timer->enabled bit
into rtc_timer_enqueue and rtc_timer_remove.
Also makes rtc_timer_enqueue and rtc_timer_remove static.
Reported-by: David Daney <ddaney@caviumnetworks.com>
Reported-by: Andreas Schwab <schwab@linux-m68k.org>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diagnosed-by: David Daney <ddaney@caviumnetworks.com>
Tested-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
LKML-Reference: <1295565973-14358-1-git-send-email-john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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If the acpi pm timer throws invalid data, clear pmtmr_ioport
so the pm timer won't accidentally be used.
This was found when using Xen where there is a acpi pm reported,
but gives bogus values, and other code was continuing to try
to use the pm timer after the initialization failed.
[jstultz: Catch additional failure and reword changelog message. ]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <1295027246-11110-1-git-send-email-johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
module: fix missing semicolons in MODULE macro usage
param: add null statement to compiled-in module params
module: fix linker error for MODULE_VERSION when !MODULE and CONFIG_SYSFS=n
module: show version information for built-in modules in sysfs
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You always needed them when you were a module, but the builtin versions
of the macros used to be more lenient.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
selinux: return -ENOMEM when memory allocation fails
tpm: fix panic caused by "tpm: Autodetect itpm devices"
TPM: Long default timeout fix
trusted keys: Fix a memory leak in trusted_update().
keys: add trusted and encrypted maintainers
encrypted-keys: rename encrypted_defined files to encrypted
trusted-keys: rename trusted_defined files to trusted
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commit 3f0d3d016d89a5efb8b926d4707eb21fa13f3d27 adds a check for
PNP device id to the common tpm_tis_init() function, which in some
cases (force=1) will be called without the device being a member of
a pnp_dev. Oopsing and panics ensue.
Move the test up to before the call to tpm_tis_init(), since it
just modifies a global variable anyway.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
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