- 19 Oct, 2010 26 commits
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Chris Wilson authored
... to avoid reacquiring it to drop the object reference count on exit. Note we have to make sure we now drop (and reacquire) the lock around acquiring the mm semaphore on the slow paths. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
... in the hope that it makes the atomic fast paths more likely. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
After allocation a handle for the fresh object, we know that we can safely drop the refcnt without triggering a free so we do not need the mutex. Strangely, this mutex acquisition is the one that appears on driver profiles. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
Avoid an early eviction of the batch buffer into the uncached GTT domain, and so do the relocation fixup in cacheable memory. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
... perform an access validation check up front instead and copy them in on-demand, during i915_gem_object_pin_and_relocate(). As around 20% of the CPU overhead may be spent inside vmalloc for the relocation entries when submitting an execbuffer [for x11perf -aa10text], the savings are considerable and result in around a 10% throughput increase [for glyphs]. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
Allow the user to override the detection of the sink's audio capabilities from EDID. Not all sinks support the required EDID level to specify whether they handle audio over the display connection, so allow the user to enable it manually. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
Allow the user to override the detection of the sink's audio capabilities from EDID. Not all sinks support the required EDID level to specify whether they handle audio over the display connection, so allow the user to enable it manually. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
Allow the user to override the detection of the sink's audio capabilities from EDID. Not all sinks support the required EDID level to specify whether they handle audio over the display connection, so allow the user to enable it manually. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Zhenyu Wang authored
Rely on monitor's audio capability to turn on audio output for HDMI. Tested-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Zhenyu Wang authored
This will turn on DP audio output by checking monitor's audio capability. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> [ickle: rebase onto recent changes and rearranged for clarity] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Zhenyu Wang authored
To help to determine if digital display port needs to enable audio output or not. This one adds a helper to get monitor's audio capability via EDID CEA extension block. Tested-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Bryan Freed authored
The time between start of the pixel clock and backlight enable is a basic panel timing constraint. If the Panel Power On/Off registers are found to be 0, assume we are booting without VBIOS initialization and set these registers to something reasonable. Change-Id: Ibed6cc10d46bf52fd92e0beb25ae3525b5eef99d Signed-off-by: Bryan Freed <bfreed@chromium.org> [ickle: rearranged into a separate function to distinguish its role from simply parsing the VBIOS tables.] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
If userspace is submitting so many long running batches that the ring becomes full, throttle by sleeping for a 1ms before checking for free space. Simply yielding was causing excessive scheduler overhead whilst making no progress. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Zhenyu Wang authored
In i2c GPIO fallback, index 6 is reserved for nothing. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
FDI_PLL_BIOS_0 register is for Ironlake only, don't apply to Sandybridge. Original-patch-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Jesse Barnes authored
Since the PLL may still be on, and the training pattern may not be correct. Fixes suspend/resume on my PCH eDP test system. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> [ickle: minor merge conflict and silence the compiler] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Daniel Vetter authored
Freeing the Hardware Status Page was writing to the HWS register in order to disable the GPU writing to the HWS page. Unfortunately, we were writing to the mmio register after unmapping the register space, hence the oops. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson authored
This reverts commit 6939a5ac. Daniel Vetter supplied a set of fixes for all the module unload bugs he could trigger on his machines, so let the fun recommence!
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Chris Wilson authored
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Jason Wessel authored
The enter argument as implemented by commit 413d45d3 (drm, kdb, kms: Add an enter argument to mode_set_base_atomic() API) should be more descriptive as to what it does vs just passing 1 and 0 around. There is no runtime behavior change as a result of this patch. Reported-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Jason Wessel <jason.wessel@windriver.com> CC: David Airlie <airlied@linux.ie> CC: dri-devel@lists.freedesktop.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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Jason Wessel authored
When changing VTs non-atomically the kernel works in conjunction with the Xserver in user space and receives the LUT information from the Xserver via a system call. When changing modes atomically for kdb, this information must be saved and restored without disturbing user space as if nothing ever happened. There is a short cut used by this patch where gamma_store is used as the save space. If this turns out to be a problem in the future a pre-allocated chunk of memory will be required for each crtc to save and restore the LUT information. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> CC: Jesse Barnes <jbarnes@virtuousgeek.org> CC: David Airlie <airlied@linux.ie> CC: dri-devel@lists.freedesktop.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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Jason Wessel authored
This reverts commit ff773714. A generic solution is needed to save and retore the LUT information. CC: Jesse Barnes <jbarnes@virtuousgeek.org> CC: dri-devel@lists.freedesktop.org Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Francisco Jerez authored
TTM-based DRM drivers need to be able to bind user memory to the AGP aperture. This patch fixes the "[TTM] AGP Bind memory failed." errors and the subsequent fallout seen with the nouveau driver. Signed-off-by: Francisco Jerez <currojerez@riseup.net> Tested-by: Grzesiek Sójka <pld@pfu.pl> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Jean Delvare authored
Function ttm_bo_wait_unreserved can be slightly simplified. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Dave Airlie authored
This reverts commit f28488c2. On my rv610 test machine the monitor failed to light up after this. Signed-off-by: Dave Airlie <airlied@redhat.com>
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- 18 Oct, 2010 2 commits
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Dave Airlie authored
We need the unlocked variant for the new codepath introduced to fix the race condition in master recently. Signed-off-by: Dave Airlie <airlied@redhat.com>
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Dave Airlie authored
Conflicts: drivers/gpu/drm/i915/intel_fb.c drivers/gpu/drm/radeon/r600_blit_kms.c drivers/gpu/drm/ttm/ttm_bo.c
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- 17 Oct, 2010 3 commits
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Alex Deucher authored
Fixes cursor corruption in certain cases. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'fix/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: rawmidi: fix oops (use after free) when unloading a driver module
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Clemens Ladisch authored
When a driver module is unloaded and the last still open file is a raw MIDI device, the card and its devices will be actually freed in the snd_card_file_remove() call when that file is closed. Afterwards, rmidi and rmidi->card point into freed memory, so the module pointer is likely to be garbage. (This was introduced by commit 9a1b64ca.) Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Reported-by: Krzysztof Foltman <wdev@foltman.com> Cc: 2.6.30-2.6.35 <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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- 16 Oct, 2010 4 commits
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Kyle McMartin authored
Fixes build for me... these are what's tested in byteorder.h... Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kyle McMartin authored
Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kyle McMartin authored
Signed-off-by: Kyle McMartin <kyle@redhat.com> Acked-by: Al "my fuckup" Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kyle McMartin authored
Commit a7f8388e accidentally removed it... Al explains: "Sorry, reordering breakage. In the signals tree here I have static inline void sig_set_blocked(struct sigset_t *set) ... and it's used all over the place (including quite a few places where we currently have sigprocmask(SIG_SETMASK, set, NULL), which is what it's equivalent to). With that done, m32r doesn't use _BLOCKABLE anywhere, so it got removed. And that chunk got picked when I'd been reordering the queue to pull the arch-specific fixes in front. Sorry." Signed-off-by: Kyle McMartin <kyle@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 15 Oct, 2010 5 commits
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Eric Paris authored
We currently have a kernel internal type called aligned_u64 which aligns __u64's on 8 bytes boundaries even on systems which would normally align them on 4 byte boundaries. This patch creates a new type __aligned_u64 which does the same thing but which is exposed to userspace rather than being kernel internal. [akpm: merge early as both the net and audit trees want this] [akpm@linux-foundation.org: enhance the comment describing the reasons for using aligned_u64. Via Andreas and Andi.] Based-on-patch-by: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Eric Paris <eparis@redhat.com> Cc: Jan Engelhardt <jengelh@medozas.de> Cc: David Miller <davem@davemloft.net> Cc: Andi Kleen <andi@firstfloor.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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FUJITA Tomonori authored
Fix a build error introduced by d6d1b650 ("param: simple locking for sysfs-writable charp parameters"). CC arch/um/kernel/trap.o arch/um/drivers/hostaudio_kern.c: In function 'hostaudio_open': arch/um/drivers/hostaudio_kern.c:204: error: '__param_dsp' undeclared (first use in this function) arch/um/drivers/hostaudio_kern.c:204: error: (Each undeclared identifier is reported only once arch/um/drivers/hostaudio_kern.c:204: error: for each function it appears in.) arch/um/drivers/hostaudio_kern.c: In function 'hostmixer_open_mixdev': arch/um/drivers/hostaudio_kern.c:265: error: '__param_mixer' undeclared (first use in this function) arch/um/drivers/hostaudio_kern.c:272: error: '__param_dsp' undeclared (first use in this function) Reported-by: Toralf Förster <toralf.foerster@gmx.de> Tested-by: Toralf Förster <toralf.foerster@gmx.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Takashi Iwai <tiwai@suse.de> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Eric Dumazet authored
sysctl check complains with a WARN() when proc_doulongvec_minmax() or proc_doulongvec_ms_jiffies_minmax() are used by a vector of longs (with more than one element), with no min or max value specified. This is unexpected, given we had a bug on this min/max handling :) Reported-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: David Miller <davem@davemloft.net> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmcLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: sdio: fix SDIO suspend/resume regression
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Ohad Ben-Cohen authored
Fix SDIO suspend/resume regression introduced by 4c2ef25f "mmc: fix all hangs related to mmc/sd card insert/removal during suspend/resume": PM: Syncing filesystems ... done. Freezing user space processes ... (elapsed 0.01 seconds) done. Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. Suspending console(s) (use no_console_suspend to debug) pm_op(): platform_pm_suspend+0x0/0x5c returns -38 PM: Device pxa2xx-mci.0 failed to suspend: error -38 PM: Some devices failed to suspend 4c2ef25f moved the card removal/insertion mechanism out of MMC's suspend/resume path and into pm notifiers (mmc_pm_notify), and that broke SDIO's expectation that mmc_suspend_host() will remove the card, and squash the error, in case -ENOSYS is returned from the bus suspend handler (mmc_sdio_suspend() in this case). mmc_sdio_suspend() is using this whenever at least one of the card's SDIO function drivers does not have suspend/resume handlers - in that case it is agreed to force removal of the entire card. This patch fixes this regression by trivially bringing back that part of mmc_suspend_host(), which was removed by 4c2ef25f. Reported-and-tested-by: Sven Neumann <s.neumann@raumfeld.com> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Cc: Maxim Levitsky <maximlevitsky@gmail.com> Cc: <stable@kernel.org> Acked-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Chris Ball <cjb@laptop.org>
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