- 06 11月, 2009 24 次提交
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由 Eric Anholt 提交于
Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Zhao Yakui 提交于
Replace the DRM_DEBUG with DRM_DEBUG_KMS in output device code. Signed-off-by: NZhao Yakui <yakui.zhao@intel.com> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Zhao Yakui 提交于
Replace the DRM_DEBUG with DRM_DEBUG_DRIVER in generic i915 driver. Then the debug info can be obtained by adding the boot option of "drm.debug=0x02". At the same time the debug info in increase/decrease clock is also printed by using DRM_DEBUG_DRIVER instead of DRM_DEBUG_KMS. Signed-off-by: NZhao Yakui <yakui.zhao@intel.com> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
I've simply overlooked one case in the conversion to interruptible sleeps. Rectify this. Also delete a leftover debug printk. Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
It's not needed anymore. Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
At least for the common case of userspace ioctls. When doing a modeset operation, the wait is still uninterruptible. But considering that failing to turn off the overlay when switching off the crtc it's running on hangs the chip, it doesn't complicate matters _very_ much. There's just an unkillable X in addition to a black screen. BUG() about it and explain in the code. Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
As long as the gpu can keep up, neither the cpu (waiting for gpu) nore the gpu (waiting for vblank to do an overlay flip) stalls. Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
Now that the cache flushing of the memory based overlay regs works, we can safely switch off the overlay. Beforehand it was only disabled (like in userspace). Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
This implements intel overlay support for kms via a device-specific ioctl. Thomas Hellstrom brought up the idea of a general ioctl (on dri-devel). We've reached the conclusion that such an infrastructure only makes sense when multiple kms overlay implementations exists, which atm don't (and it doesn't look like this is gonna change). Open issues: - Runs in sync with the gpu, i.e. unnecessary waiting. I've decided to wait on this because the hw tends to hang when changing something in this area. I left some dummy functions as infrastructure. - polyphase filtering uses a static table. - uses uninterruptible sleeps. Unfortunately the alternatives may unnecessarily wedged the hw if/when we timeout too early (and userspace only overloaded the batch buffers with stuff worth a few secs of gpu time). Changes since v1: - fix off-by-one misconception on my side. This fixes fullscreen playback. Changes since v2: - add underrun detection as spec'ed for i965. - flush caches properly, fixing visual corruptions. Changes since v4: - fix up cache flushing of overlay memory regs. - killed require_pipe_a logic - it hangs the chip. Tested-By: diego.abelenda@gmail.com (on a 865G) Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> [anholt: Resolved against the MADVISE ioctl going in before this one] Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
It is identical to I85X. Use that one instead. Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> [anholt: fix conflicts against the display function pointer stuff] Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
This just waits until the hw passed the current ring position with cmd execution. This slightly changes the existing i915_wait_request function to make uninterruptible waiting possible - no point in returning to userspace while mucking around with the overlay, that piece of hw is just too fragile. Also replace a magic 0 with the symbolic constant (and kill the then superflous comment) while I was looking at the code. Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Daniel Vetter 提交于
I've wasted half a day hunting a bug that could easily be spotted by gcc. Prevent this from reoccurring. Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Jesse Barnes 提交于
Render standy allows the GPU to power down the render unit when idle. In order for this to work, it needs a page of graphics memory to save state. This patch allocates that page and enables the feature on supported chipsets. Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Zhenyu Wang 提交于
This brings some hardware workaround for HDMI port on PCH (Ibex Peak), which fixes unstable issues like during rotation. Signed-off-by: NZhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Zhenyu Wang 提交于
When the ideal error range can't be reached, this will safely use a most closed one. Clean up some dumb codes in DPLL function too. This fixes DPLL clock issue against one monitor at 1680x1050@60hz. Signed-off-by: NZhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: NEric Anholt <eric@anholt.net>
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由 Chris Wilson 提交于
Miles Lane reported the following error: 2 locks held by cat/4179: #0: (&p->lock){+.+.+.}, at: [<c10a3884>] seq_read+0x25/0x315 #1: (&dev_priv->mm.active_list_lock){+.+...}, at: [<c119a854>] i915_batchbuffer_info+0x2b/0x124 Pid: 4179, comm: cat Not tainted 2.6.32-rc5-git1 #2 Call Trace: [<c104874f>] ? __debug_show_held_locks+0x1e/0x20 [<c1023fb0>] __might_sleep+0xf0/0xf7 [<c101c393>] kmap+0x17/0x58 [<c119a8d6>] i915_batchbuffer_info+0xad/0x124 [<c10a39bf>] seq_read+0x160/0x315 [<c108fb8c>] ? rw_verify_area+0x98/0xbb [<c10a385f>] ? seq_read+0x0/0x315 [<c1090331>] vfs_read+0x75/0xa9 [<c10903f9>] sys_read+0x3b/0x5d [<c1002a8f>] sysenter_do_call+0x12/0x36 The fix is relatively simple, use the atomic variants of kmap() that avoid the potential sleep. Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Cc: Miles Lane <miles.lane@gmail.com> Signed-off-by: NEric Anholt <eric@anholt.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen由 Linus Torvalds 提交于
* 'bugfix' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: xen: mask extended topology info in cpuid xen/hvc: make sure console output is always emitted, with explicit polling
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由 Linus Torvalds 提交于
Merge branch 'for-linus' of 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: sysfs: Don't leak secdata when a sysfs_dirent is freed.
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由 Linus Torvalds 提交于
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Fix kthread_bind() by moving the body of kthread_bind() to sched.c sched: Disable SD_PREFER_LOCAL at node level sched: Fix boot crash by zalloc()ing most of the cpu masks sched: Strengthen buddies and mitigate buddy induced latencies
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由 Linus Torvalds 提交于
Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: ftrace: Fix unmatched locking in ftrace_regex_write() ring-buffer: Synchronize resizing buffer with reader lock
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由 Linus Torvalds 提交于
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, fs: Fix x86 procfs stack information for threads on 64-bit x86: Add reboot quirk for 3 series Mac mini x86: Fix printk message typo in mtrr cleanup code dma-debug: Fix compile warning with PAE enabled x86/amd-iommu: Un__init function required on shutdown x86/amd-iommu: Workaround for erratum 63
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git://www.linux-m32r.org/git/takata/linux-2.6_dev由 Linus Torvalds 提交于
* 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev: m32r: Should index be positive? m32r: bzip2/lzma kernel compression support m32r: add NOTES to vmlinux.lds.S to remove .note.gnu.build-id section arch/m32r: Use DIV_ROUND_CLOSEST
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: amd64_edac: fix CECCs reporting amd64_edac: fix a wrong goto clause in amd64_edac.c
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由 Linus Torvalds 提交于
Not a single line of actual code in the function was really fundamentally correct. Problems ranged from lack of proper range checking, to removing the last character written (which admittedly is usually '\n'), to not accepting hex numbers even though the 'show' routine would show the data in that format. This tries to do better. Acked-by: NMichael Buesch <mb@bu3sch.de> Tested-and-acked-by: NJack Steiner <steiner@sgi.com> Cc: stable@kernel.org Cc: Jiri Kosina <jkosina@suse.cz> Cc: Michael Gilbert <michael.s.gilbert@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 05 11月, 2009 1 次提交
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由 Eric W. Biederman 提交于
While refreshing my sysfs patches I noticed a leak in the secdata implementation. We don't free the secdata when we free the sysfs dirent. This is a bug in 2.6.32-rc5 that we really should close. Signed-off-by: NEric W. Biederman <ebiederm@aristanetworks.com> Acked-by: NSerge Hallyn <serue@us.ibm.com> Signed-off-by: NJames Morris <jmorris@namei.org>
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- 04 11月, 2009 15 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel由 Linus Torvalds 提交于
* '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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由 Borislav Petkov 提交于
Shift error type bits properly. Signed-off-by: NBorislav Petkov <borislav.petkov@amd.com>
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由 Li Hong 提交于
In amd64_edac_init(void) in amd64_edac.c, cache_k8_northbridges() is called before pci_register_driver. If it fails, should exit with err directly. Signed-off-by: NLi Hong <lihong.hi@gmail.com> Acked-by: NDoug Thompson <dougthompson@xmission.com> Signed-off-by: NBorislav Petkov <borislav.petkov@amd.com>
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由 Stefani Seibold 提交于
This patch fixes two issues in the procfs stack information on x86-64 linux. The 32 bit loader compat_do_execve did not store stack start. (this was figured out by Alexey Dobriyan). The stack information on a x64_64 kernel always shows 0 kbyte stack usage, because of a missing implementation of the KSTK_ESP macro which always returned -1. The new implementation now returns the right value. Signed-off-by: NStefani Seibold <stefani@seibold.net> Cc: Americo Wang <xiyou.wangcong@gmail.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <1257240160.4889.24.camel@wall-e> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Li Zefan 提交于
When a command is passed to the set_ftrace_filter, then the ftrace_regex_lock is still held going back to user space. # echo 'do_open : foo' > set_ftrace_filter (still holding ftrace_regex_lock when returning to user space!) Signed-off-by: NLi Zefan <lizf@cn.fujitsu.com> LKML-Reference: <4AEF7F8A.3080300@cn.fujitsu.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
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由 Lai Jiangshan 提交于
We got a sudden panic when we reduced the size of the ringbuffer. We can reproduce the panic by the following steps: echo 1 > events/sched/enable cat trace_pipe > /dev/null & while ((1)) do echo 12000 > buffer_size_kb echo 512 > buffer_size_kb done (not more than 5 seconds, panic ...) Reported-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: NLai Jiangshan <laijs@cn.fujitsu.com> LKML-Reference: <4AF01735.9060409@cn.fujitsu.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
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git://git.kernel.dk/linux-2.6-block由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cfq-iosched: limit coop preemption cfq-iosched: fix bad return value cfq_should_preempt() backing-dev: bdi sb prune should be in the unregister path, not destroy Fix bio_alloc() and bio_kmalloc() documentation bio_put(): add bio_clone() to the list of functions in the comment
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev由 Linus Torvalds 提交于
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: sata_via: Remove redundant device ID for VIA VT8261 drivers/ata/libata: Move dereference after NULL test ahci: Enable SB600 64bit DMA on MSI K9A2 Platinum v2
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由 Roel Kluin 提交于
Index `ipi_num' is signed, test whether it is negative to make sure we don't get a negative array element. Signed-off-by: NRoel Kluin <roel.kluin@gmail.com> Signed-off-by: NHirokazu Takata <takata@linux-m32r.org>
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由 Hirokazu Takata 提交于
- Support bzip2 and lzma kernel compression for m32r. - Clean up arch/m32r/boot/compressed/misc.c. Signed-off-by: NHirokazu Takata <takata@linux-m32r.org>
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由 Hirokazu Takata 提交于
Building with --build-id option, .note.gnu.build-id section is added to vmlinux.bin. But some old buggy binutils creates a huge vmlinux.bin, and a bootloader fails to boot its zImage as well. This patch adds a NOTES macro to a linker script vmlinux.ld.S to put .note.gnu.build-id section into .note section. Then, the .note section will be removed, because "-R .note" option is specified in OBJCOPYFLAGS to make a vmlinux.bin binary. Signed-off-by: NHirokazu Takata <takata@linux-m32r.org>
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由 Julia Lawall 提交于
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d but is perhaps more readable. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @haskernel@ @@ @depends on haskernel@ expression x,__divisor; @@ - (((x) + ((__divisor) / 2)) / (__divisor)) + DIV_ROUND_CLOSEST(x,__divisor) // </smpl> Signed-off-by: NJulia Lawall <julia@diku.dk> Signed-off-by: NHirokazu Takata <takata@linux-m32r.org>
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由 Linus Torvalds 提交于
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由 JosephChan@via.com.tw 提交于
Just remove redundant device ID for VIA VT8261. The device ID 0x9000 and 0x9040 are redundant (for VT8261). The 0x9040 is reserved for other usage. Signed-off-by: NJoseph Chan <josephchan@via.com.tw> Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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由 Julia Lawall 提交于
In each case, if the NULL test on qc is needed, then the derefernce should be after the NULL test. A simplified version of the semantic match that detects this problem is as follows (http://coccinelle.lip6.fr/): // <smpl> @match exists@ expression x, E; identifier fld; @@ * x->fld ... when != \(x = E\|&x\) * x == NULL // </smpl> Signed-off-by: NJulia Lawall <julia@diku.dk> Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
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