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2011-03-23drm/i915: report correct render clock frequencies on SNBJesse Barnes
Fix up the debug file to report the right frequencies. On SNB, we program the PCU with a frequency ratio, which is multiplied by 100MHz on the CPU side. But GFX only runs at half that, so report it as such to avoid confusion. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Keith Packard <keithp@keithp.com>
2011-03-23drm/i915/dp: Correct the order of deletion for ghost eDP devicesTakashi Iwai
The order of the calls does matter indeed. Swapping the call order of intel_dp_destroy() and intel_dp_encoder_destroy() fixes the problem. This is because i2c_del_adapter unregisters the device which parent is intel_connector, and connectors are removed in intel_dp_destroy(). Thus intel_dp_encoder_destroy() must be called before intel_dp_destroy(). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=24822 Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Keith Packard <keithp@keithp.com>
2011-03-23drm/i915: Fix tiling corruption from pipelined fencingChris Wilson
... even though it was disabled. A mistake in the handling of fence reuse caused us to skip the vital delay of waiting for the object to finish rendering before changing the register. This resulted in us changing the fence register whilst the bo was active and so causing the blits to complete using the wrong stride or even the wrong tiling. (Visually the effect is that small blocks of the screen look like they have been interlaced). The fix is to wait for the GPU to finish using the memory region pointed to by the fence before changing it. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34584 Cc: Andy Whitcroft <apw@canonical.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> [Note for 2.6.38-stable, we need to reintroduce the interruptible passing] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Dave Airlie <airlied@linux.ie>
2011-03-23drm/i915: Re-enable self-refreshYuanhan Liu
A broken implementation of is_pot() prevented the detection of when a singular pipe was enabled. Eric Anholt pointed out the existence of is_power_of_2() so use that instead of our broken code! Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=35402 Signed-off-by: Yuanhan Liu <yuanhan.liu@intel.com> Tested-by: xunx.fang@intel.com Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2011-03-23drm/i915: Prevent racy removal of request from client listHerton Ronaldo Krzesinski
When i915_gem_retire_requests_ring calls i915_gem_request_remove_from_client, the client_list for that request may already be removed in i915_gem_release. So we may call twice list_del(&request->client_list), resulting in an oops like this report: [126167.230394] BUG: unable to handle kernel paging request at 00100104 [126167.230699] IP: [<f8c2ce44>] i915_gem_retire_requests_ring+0xd4/0x240 [i915] [126167.231042] *pdpt = 00000000314c1001 *pde = 0000000000000000 [126167.231314] Oops: 0002 [#1] SMP [126167.231471] last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT1/current_now [126167.231901] Modules linked in: snd_seq_dummy nls_utf8 isofs btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs exportfs reiserfs cryptd aes_i586 aes_generic binfmt_misc vboxnetadp vboxnetflt vboxdrv parport_pc ppdev snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep arc4 snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq uvcvideo videodev snd_timer snd_seq_device joydev iwlagn iwlcore mac80211 snd cfg80211 soundcore i915 drm_kms_helper snd_page_alloc psmouse drm serio_raw i2c_algo_bit video lp parport usbhid hid sky2 sdhci_pci ahci sdhci libahci [126167.232018] [126167.232018] Pid: 1101, comm: Xorg Not tainted 2.6.38-6-generic-pae #34-Ubuntu Gateway MC7833U / [126167.232018] EIP: 0060:[<f8c2ce44>] EFLAGS: 00213246 CPU: 0 [126167.232018] EIP is at i915_gem_retire_requests_ring+0xd4/0x240 [i915] [126167.232018] EAX: 00200200 EBX: f1ac25b0 ECX: 00000040 EDX: 00100100 [126167.232018] ESI: f1a2801c EDI: e87fc060 EBP: ef4d7dd8 ESP: ef4d7db0 [126167.232018] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [126167.232018] Process Xorg (pid: 1101, ti=ef4d6000 task=f1ba6500 task.ti=ef4d6000) [126167.232018] Stack: [126167.232018] f1a28000 f1a2809c f1a28094 0058bd97 f1aa2400 f1a2801c 0058bd7b 0058bd85 [126167.232018] f1a2801c f1a28000 ef4d7e38 f8c2e995 ef4d7e30 ef4d7e60 c14d1ebc f6b3a040 [126167.232018] f1522cc0 000000db 00000000 f1ba6500 ffffffa1 00000000 00000001 f1a29214 [126167.232018] Call Trace: Unfortunately the call trace reported was cut, but looking at debug symbols the crash is at __list_del, when probably list_del is called twice on the same request->client_list, as the dereferenced value is LIST_POISON1 + 4, and by looking more at the debug symbols before list_del call it should have being called by i915_gem_request_remove_from_client And as I can see in the code, it seems we indeed have the possibility to remove a request->client_list twice, which would cause the above, because we do list_del(&request->client_list) on both i915_gem_request_remove_from_client and i915_gem_release As Chris Wilson pointed out, it's indeed the case: "(...) I had thought that the actual insertion/deletion was serialised under the struct mutex and the intention of the spinlock was to protect the unlocked list traversal during throttling. However, I missed that i915_gem_release() is also called without struct mutex and so we do need the double check for i915_gem_request_remove_from_client()." This change does the required check to avoid the duplicate remove of request->client_list. Bugzilla: http://bugs.launchpad.net/bugs/733780 Cc: stable@kernel.org # 2.6.38 Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2011-03-23drm/i915: skip redundant operations whilst enabling pipes and planesChris Wilson
If the pipe or plane is already enabled, then we do not need to enable it again and can skip the delay. Similarly if it is already disabled when we want to disable it, we can also skip it. This fixes a regression from b24e717988, which caused the LVDS output on one PineView machine to become corrupt after changing orientation several times. References: https://bugs.freedesktop.org/show_bug.cgi?id=34601 Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Keith Packard <keithp@keithp.com> Tested-by: mengmeng.meng@intel.com
2011-03-23drm/i915: Remove surplus POSTING_READs before wait_for_vblankChris Wilson
... as wait_for_vblank (and friends) will do a flush of the MMIO writes anyway. References: https://bugs.freedesktop.org/show_bug.cgi?id=34601 Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Keith Packard <keithp@keithp.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2011-03-21drm/kernel: vblank wait on crtc > 1Ilija Hadzic
Below is a patch against drm-next branch of 2.6.38-rc8+ kernel that adds the capability to wait on vblank events for CRTCs that are greater than 1 and thus cannot be represented with primary/secondary flags in the legacy interface. It was discussed on the dri-devel list in these two threads: http://lists.freedesktop.org/archives/dri-devel/2011-March/009009.html http://lists.freedesktop.org/archives/dri-devel/2011-March/009025.html This patch extends the interface to drm_wait_vblank ioctl so that crtc>1 can be represented. It also adds a new capability to drm_getcap ioctl so that the user space can check whether the new interface to drm_wait_vblank is supported (and fall back to the legacy interface if not) Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reviewed-by: Mario Kleiner <mario.kleiner at tuebingen.mpg.de> Acked-by: Mario Kleiner <mario.kleiner at tuebingen.mpg.de> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Tested-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-21drm: Fix use-after-free in drm_gem_vm_close()Chris Wilson
As we may release the last reference, we need to store the device in a local variable in order to unlock afterwards. [ 60.140768] BUG: unable to handle kernel paging request at 6b6b6b9f [ 60.140973] IP: [<c1536d11>] __mutex_unlock_slowpath+0x5a/0x111 [ 60.141014] *pdpt = 0000000024a54001 *pde = 0000000000000000 [ 60.141014] Oops: 0002 [#1] PREEMPT SMP [ 60.141014] last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/PNP0C0A:00/power_supply/BAT0/voltage_now [ 60.141014] Modules linked in: uvcvideo ath9k pegasus ath9k_common ath9k_hw hid_egalax ath3k joydev asus_laptop sparse_keymap battery input_polldev [ 60.141014] [ 60.141014] Pid: 771, comm: meego-ux-daemon Not tainted 2.6.37.2-7.1 #1 EXOPC EXOPG06411/EXOPG06411 [ 60.141014] EIP: 0060:[<c1536d11>] EFLAGS: 00010046 CPU: 0 [ 60.141014] EIP is at __mutex_unlock_slowpath+0x5a/0x111 [ 60.141014] EAX: 00000100 EBX: 6b6b6b9b ECX: e9b4a1b0 EDX: e4a4e580 [ 60.141014] ESI: db162558 EDI: 00000246 EBP: e480be50 ESP: e480be44 [ 60.141014] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 60.141014] Process meego-ux-daemon (pid: 771, ti=e480a000 task=e9b4a1b0 task.ti=e480a000) [ 60.141014] Stack: [ 60.141014] e4a4e580 db162558 f5a2f838 e480be58 c1536dd0 e480be68 c125ab1b db162558 [ 60.141014] db1624e0 e480be78 c10ba071 db162558 f760241c e480be94 c10bb0bc 000155fe [ 60.141014] f760241c f5a2f838 f5a2f8c8 00000000 e480bea4 c1037c24 00000000 f5a2f838 [ 60.141014] Call Trace: [ 60.141014] [<c1536dd0>] ? mutex_unlock+0x8/0xa [ 60.141014] [<c125ab1b>] ? drm_gem_vm_close+0x39/0x3d [ 60.141014] [<c10ba071>] ? remove_vma+0x2d/0x58 [ 60.141014] [<c10bb0bc>] ? exit_mmap+0x126/0x13f [ 60.141014] [<c1037c24>] ? mmput+0x37/0x9a [ 60.141014] [<c10d450d>] ? exec_mmap+0x178/0x19c [ 60.141014] [<c1537f85>] ? _raw_spin_unlock+0x1d/0x36 [ 60.141014] [<c10d4eb0>] ? flush_old_exec+0x42/0x75 [ 60.141014] [<c1104442>] ? load_elf_binary+0x32a/0x922 [ 60.141014] [<c10d3f76>] ? search_binary_handler+0x200/0x2ea [ 60.141014] [<c10d3ecf>] ? search_binary_handler+0x159/0x2ea [ 60.141014] [<c1104118>] ? load_elf_binary+0x0/0x922 [ 60.141014] [<c10d56b2>] ? do_execve+0x1ff/0x2e6 [ 60.141014] [<c100970e>] ? sys_execve+0x2d/0x55 [ 60.141014] [<c1002a5a>] ? ptregs_execve+0x12/0x18 [ 60.141014] [<c10029dc>] ? sysenter_do_call+0x12/0x3c [ 60.141014] [<c1530000>] ? init_centaur+0x9c/0x1ba [ 60.141014] Code: c1 00 75 0f ba 38 01 00 00 b8 8c 3a 6c c1 e8 cc 2e b0 ff 9c 58 8d 74 26 00 89 c7 fa 90 8d 74 26 00 e8 d2 b4 b2 ff b8 00 01 00 00 <f0> 66 0f c1 43 04 38 e0 74 07 f3 90 8a 43 04 eb f5 83 3d 64 ef [ 60.141014] EIP: [<c1536d11>] __mutex_unlock_slowpath+0x5a/0x111 SS:ESP 0068:e480be44 [ 60.141014] CR2: 000000006b6b6b9f Reported-by: Rusty Lynch <rusty.lynch@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-17drm/radeon: fixup refcounts in radeon dumb create ioctl.Dave Airlie
This was using old gem refcounting methods, fix it to be the same as the normal create ioctl. Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-17drm: radeon: *_cs_packet_parse_vline() cleanupPaul Bolle
Simplify the way the return value is set a number of times (mostly on error). Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-17radeon: merge list_del()/list_add_tail() to list_move_tail()Nicolas Kaiser
Merge list_del() + list_add_tail() to list_move_tail(). Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-16Merge commit '5359533801e3dd3abca5b7d3d985b0b33fd9fe8b' into drm-core-nextDave Airlie
This commit changed an internal radeon structure, that meant a new driver in -next had to be fixed up, merge in the commit and fix up the driver. Also fixes a trivial nouveau merge. Conflicts: drivers/gpu/drm/nouveau/nouveau_mem.c
2011-03-16drm: Retry i2c transfer of EDID block after failureChris Wilson
Usually EDID retrieval is fine. However, sometimes, especially when the machine is loaded, it fails, but succeeds after a few retries. Based on a patch by Michael Buesch. Reported-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-16drm/radeon/kms: fix typo in atom overscan setupAlex Deucher
Typo in the aspect scale setup. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-16drm: Hold the mode mutex whilst probing for sysfs statusChris Wilson
As detect will use hw registers and may modify structures, it needs to be serialised by use of the dev->mode_config.mutex. Make it so. Otherwise, we may cause random crashes as the sysfs file is queried whilst a concurrent hotplug poll is being run. For example: [ 1189.189626] BUG: unable to handle kernel NULL pointer dereference at 00000100 [ 1189.189821] IP: [<e0c22019>] intel_tv_detect_type+0xa2/0x203 [i915] [ 1189.190020] *pde = 00000000 [ 1189.190104] Oops: 0000 [#1] SMP [ 1189.190209] last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-SVIDEO-1/status [ 1189.190412] Modules linked in: mperf cpufreq_conservative cpufreq_userspace cpufreq_powersave cpufreq_stats decnet uinput fuse loop joydev snd_hd a_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm i915 snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq drm_kms_helper snd_timer uvcvideo d rm snd_seq_device eeepc_laptop tpm_tis usbhid videodev i2c_algo_bit v4l1_compat snd sparse_keymap i2c_core hid serio_raw tpm psmouse evdev tpm_bios rfkill shpchp ac processor rng_c ore battery video power_supply soundcore pci_hotplug button output snd_page_alloc usb_storage uas ext3 jbd mbcache sd_mod crc_t10dif ata_generic ahci libahci ata_piix libata uhci_h cd ehci_hcd scsi_mod usbcore thermal atl2 thermal_sys nls_base [last unloaded: scsi_wait_scan] [ 1189.192007] [ 1189.192007] Pid: 1464, comm: upowerd Not tainted 2.6.37-2-686 #1 ASUSTeK Computer INC. 701/701 [ 1189.192007] EIP: 0060:[<e0c22019>] EFLAGS: 00010246 CPU: 0 [ 1189.192007] EIP is at intel_tv_detect_type+0xa2/0x203 [i915] [ 1189.192007] EAX: 00000000 EBX: dca74000 ECX: e0f68004 EDX: 00068004 [ 1189.192007] ESI: dd110c00 EDI: 400c0c37 EBP: dca7429c ESP: de365e2c [ 1189.192007] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 1189.192007] Process upowerd (pid: 1464, ti=de364000 task=dcc8acb0 task.ti=de364000) [ 1189.192007] Stack: Mar 15 03:43:23 hostname kernel: [ 1189.192007] e0c2cda4 70000000 400c0c30 00000000 dd111000 de365e54 de365f24 dd110c00 [ 1189.192007] e0c22203 01000000 00000003 00000000 00000000 00000000 00000000 4353544e [ 1189.192007] 30383420 00000069 00000000 00000000 00000000 00000000 00000000 00000000 [ 1189.192007] Call Trace: Mar 15 03:43:23 hostname kernel: [ 1189.192007] [<e0c22203>] ? intel_tv_detect+0x89/0x12d [i915] [ 1189.192007] [<e0a9dcef>] ? status_show+0x0/0x2f [drm] [ 1189.192007] [<e0a9dd03>] ? status_show+0x14/0x2f [drm] [Digression: what is upowerd doing reading those power hungry files?] Reported-by: Paul Menzel <paulepanter@users.sourceforge.net> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-15Merge remote branch 'nouveau/drm-nouveau-next' of ../drm-nouveau-next into ↵Dave Airlie
drm-core-next * 'nouveau/drm-nouveau-next' of ../drm-nouveau-next: drm/nouveau: fix __nouveau_fence_wait performance drm/nv40: attempt to reserve just enough vram for all 32 channels drm/nv50: check for vm traps on every gr irq drm/nv50: decode vm faults some more drm/nouveau: add nouveau_enum_find() util function drm/nouveau: properly handle pushbuffer check failures drm/nvc0: remove vm hack forcing large/small pages to not share a PDE
2011-03-14drm/nouveau: fix __nouveau_fence_wait performanceMarcin Slusarz
Commit 21e86c1c8a844bf978f8fc431a59c9f5a578812d ("drm/nouveau: remove cpu_writers lock") turned on lazy waits. Unfortunately __nouveau_fence_wait was not optimized for this case and on HZ=100 kernel wasted up to 10 ms per call. Depending on application, it led to 10-30% FPS regression. Fix it. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Francisco Jerez <currojerez@riseup.net>
2011-03-14drm/nv40: attempt to reserve just enough vram for all 32 channelsBen Skeggs
This also makes the fact we're giving 512MiB of GART space to all PCIE boards explicit, although the vast majority (if not all) of them will now have a ramin_rsvd_vram larger than 2MiB anyway. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-03-14drm/nv50: check for vm traps on every gr irqBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-03-14drm/nv50: decode vm faults some moreBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-03-14drm/nouveau: add nouveau_enum_find() util functionBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-03-14drm/nouveau: properly handle pushbuffer check failuresMarcin Slusarz
When "buffer in list" check does not pass, don't free validation lists - they were not initialized yet. Fixes this oops: [drm] nouveau 0000:02:00.0: push 105 buffer not in list BUG: unable to handle kernel NULL pointer dereference at 000000000000057c IP: [<ffffffff81236aa4>] do_raw_spin_lock+0x14/0x13c PGD 1ac6cb067 PUD 1aaa52067 PMD 0 CPU 0 Modules linked in: nouveau ttm drm_kms_helper snd_hda_codec_realtek snd_hda_intel snd_hda_codec Pid: 6265, comm: OilRush_x86 Not tainted 2.6.38-rc6-nv+ #632 System manufacturer System Product Name/P6T SE RIP: 0010:[<ffffffff81236aa4>] [<ffffffff81236aa4>] do_raw_spin_lock+0x14/0x13c (...) Process OilRush_x86 (pid: 6265, threadinfo ffff8801a6aee000, task ffff8801a26c0000) 0000000000000000 ffff8801ac74c618 0000000000000000 0000000000000578 0000000000000000 ffff8801ac74c618 0000000000000000 ffff8801bd9d0000 [<ffffffff81417f78>] _raw_spin_lock+0x1e/0x22 [<ffffffffa00a2746>] nouveau_bo_fence+0x2e/0x60 [nouveau] [<ffffffffa00a540b>] validate_fini_list+0x35/0xeb [nouveau] [<ffffffffa00a54d3>] validate_fini+0x12/0x31 [nouveau] [<ffffffffa00a6386>] nouveau_gem_ioctl_pushbuf+0xe94/0xf6b [nouveau] [<ffffffff8141ac56>] ? sub_preempt_count+0x9e/0xb2 [<ffffffff81417e94>] ? _raw_spin_unlock_irqrestore+0x30/0x4d [<ffffffff8105dea2>] ? __wake_up+0x3f/0x48 [<ffffffff812aebb4>] drm_ioctl+0x289/0x361 [<ffffffff8141ac56>] ? sub_preempt_count+0x9e/0xb2 [<ffffffffa00a54f2>] ? nouveau_gem_ioctl_pushbuf+0x0/0xf6b [nouveau] [<ffffffff8141ac56>] ? sub_preempt_count+0x9e/0xb2 [<ffffffffa010caa2>] nouveau_compat_ioctl+0x16/0x1c [nouveau] [<ffffffff81142c0d>] compat_sys_ioctl+0x1c8/0x12d7 [<ffffffff814179ca>] ? trace_hardirqs_off_thunk+0x3a/0x6c [<ffffffff81058099>] sysenter_dispatch+0x7/0x30 [<ffffffff8141798e>] ? trace_hardirqs_on_thunk+0x3a/0x3c RIP [<ffffffff81236aa4>] do_raw_spin_lock+0x14/0x13c RSP <ffff8801a6aefb88> ---[ end trace 0014d5d93e6147e1 ]--- Additionally, don't call validate_fini twice in case of validation failure. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Maarten Maathuis <madman2003@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-03-14drm/nvc0: remove vm hack forcing large/small pages to not share a PDEBen Skeggs
Appears to be fixed with commit: "drm/nv50-nvc0: make sure vma is definitely unmapped when destroying bo" Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-03-14drm/i915: disable opregion lid detection for now.Dave Airlie
At least on my HP 2540p this is wrong at bootup, fine at any other time once a lid event has occured. This is due to _REG vs _INI ordering in the ACPI tables. Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-14Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-nextDave Airlie
* 'intel/drm-intel-next' of ../drm-next: (755 commits) drm/i915: Only wait on a pending flip if we intend to write to the buffer drm/i915/dp: Sanity check eDP existence drm/i915: Rebind the buffer if its alignment constraints changes with tiling drm/i915: Disable GPU semaphores by default drm/i915: Do not overflow the MMADDR write FIFO Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing" drm/i915: Don't save/restore hardware status page address register drm/i915: don't store the reg value for HWS_PGA drm/i915: fix memory corruption with GM965 and >4GB RAM Linux 2.6.38-rc7 Revert "TPM: Long default timeout fix" drm/i915: Re-enable GPU semaphores for SandyBridge mobile drm/i915: Replace vblank PM QoS with "Interrupt-Based AGPBUSY#" Revert "drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU" drm/i915: Allow relocation deltas outside of target bo drm/i915: Silence an innocuous compiler warning for an unused variable fs/block_dev.c: fix new kernel-doc warning ACPI: Fix build for CONFIG_NET unset mm: <asm-generic/pgtable.h> must include <linux/mm_types.h> x86: Use u32 instead of long to set reset vector back to 0 ... Conflicts: drivers/gpu/drm/i915/i915_gem.c
2011-03-14drm/radeon: fix problem with changing active VRAM size. (v2)Dave Airlie
So we used to use lpfn directly to restrict VRAM when we couldn't access the unmappable area, however this was removed in 93225b0d7bc030f4a93165347a65893685822d70 as it also restricted the gtt placements. However it was only later noticed that this broke on some hw. This removes the active_vram_size, and just explicitly sets it when it changes, TTM/drm_mm will always use the real_vram_size, and the active vram size will change the TTM size used for lpfn setting. We should re-work the fpfn/lpfn to per-placement at some point I suspect, but that is too late for this kernel. Hopefully this addresses: https://bugs.freedesktop.org/show_bug.cgi?id=35254 v2: fix reported useful VRAM size to userspace to be correct. Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-13drm/radeon: fix page flipping hangs on r300/r400Dave Airlie
We've been getting reports of complete system lockups with rv3xx hw on AGP and PCIE when running gnome-shell or kwin with compositing. It appears the hw really doesn't like setting these registers while stuff is running, this moves the setting of the registers into the modeset since they aren't required to be changed anywhere else. fixes: https://bugs.freedesktop.org/show_bug.cgi?id=35183 Reported-and-tested-by: Álmos <aaalmosss@gmail.com Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-11drm/radeon: add pageflip hooks for fusionDave Airlie
Looks like these got passed over with both being merged at the same time but not quite meeting in the middle. should fix: https://bugs.freedesktop.org/show_bug.cgi?id=34137 along with Michael's phoronix article. Reported-by: Chi-Thanh Christopher Nguyen Article-written-by: Michael Larabel @ phoronix Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-03-10Merge branch 'media_fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: [media] mantis_pci: remove asm/pgtable.h include [media] tda829x: fix regression in probe functions [media] mceusb: don't claim multifunction device non-IR parts [media] nuvoton-cir: fix wake from suspend [media] cx18: Add support for Hauppauge HVR-1600 models with s5h1411 [media] ivtv: Fix corrective action taken upon DMA ERR interrupt to avoid hang [media] cx25840: fix probing of cx2583x chips [media] cx23885: Remove unused 'err:' labels to quiet compiler warning [media] cx23885: Revert "Check for slave nack on all transactions" [media] DiB7000M: add pid filtering [media] Fix sysfs rc protocol lookup for rc-5-sz [media] au0828: fix VBI handling when in V4L2 streaming mode [media] ir-raw: Properly initialize the IR event (BZ#27202) [media] s2255drv: firmware re-loading changes [media] Fix double free of video_device in mem2mem_testdev [media] DM04/QQBOX memcpy to const char fix
2011-03-10ipmi: Fix IPMI errors due to timing problemsDoe, YiCheng
This patch fixes an issue in OpenIPMI module where sometimes an ABORT command is sent after sending an IPMI request to BMC causing the IPMI request to fail. Signed-off-by: YiCheng Doe <yicheng.doe@hp.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Acked-by: Tom Mingarelli <thomas.mingarelli@hp.com> Tested-by: Andy Cress <andy.cress@us.kontron.com> Tested-by: Mika Lansirine <Mika.Lansirinne@stonesoft.com> Tested-by: Brian De Wolf <bldewolf@csupomona.edu> Cc: Jean Michel Audet <Jean-Michel.Audet@ca.Kontron.com> Cc: Jozef Sudelsky <jozef.sudolsky@elbiahosting.sk> Acked-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: fs/dcache: allow d_obtain_alias() to return unhashed dentries Check for immutable/append flag in fallocate path sysctl: the include of rcupdate.h is only needed in the kernel fat: fix d_revalidate oopsen on NFS exports jfs: fix d_revalidate oopsen on NFS exports ocfs2: fix d_revalidate oopsen on NFS exports gfs2: fix d_revalidate oopsen on NFS exports fuse: fix d_revalidate oopsen on NFS exports ceph: fix d_revalidate oopsen on NFS exports reiserfs xattr ->d_revalidate() shouldn't care about RCU /proc/self is never going to be invalidated...
2011-03-10Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
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, UV: Initialize the broadcast assist unit base destination node id properly x86, numa: Fix numa_emulation code with memory-less node0 x86, build: Make sure mkpiggy fails on read error
2011-03-10Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds
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 sched rt group scheduling when hierachy is enabled
2011-03-10Merge branch 'perf/urgent' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf symbols: Avoid resolving [kernel.kallsyms] to real path for buildid cache perf symbols: Fix vmlinux path when not using --symfs
2011-03-10drm/i915: Revive combination mode for backlight controlTakashi Iwai
This reverts commit 951f3512dba5bd44cda3e5ee22b4b522e4bb09fb drm/i915: Do not handle backlight combination mode specially since this commit introduced other regressions due to untouched LBPC register, e.g. the backlight dimmed after resume. In addition to the revert, this patch includes a fix for the original issue (weird backlight levels) by removing the wrong bit shift for computing the current backlight level. Also, including typo fixes (lpbc -> lbpc). Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34524 Acked-by: Indan Zupancic <indan@nul.nu> Reviewed-by: Keith Packard <keithp@keithp.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-10fs/dcache: allow d_obtain_alias() to return unhashed dentriesJ. Bruce Fields
Without this patch, inodes are not promptly freed on last close of an unlinked file by an nfs client: client$ mount -tnfs4 server:/export/ /mnt/ client$ tail -f /mnt/FOO ... server$ df -i /export server$ rm /export/FOO (^C the tail -f) server$ df -i /export server$ echo 2 >/proc/sys/vm/drop_caches server$ df -i /export the df's will show that the inode is not freed on the filesystem until the last step, when it could have been freed after killing the client's tail -f. On-disk data won't be deallocated either, leading to possible spurious ENOSPC. This occurs because when the client does the close, it arrives in a compound with a putfh and a close, processed like: - putfh: look up the filehandle.  The only alias found for the inode will be DCACHE_UNHASHED alias referenced by the filp this, so it creates a new DCACHE_DISCONECTED dentry and returns that instead. - close: closes the existing filp, which is destroyed immediately by dput() since it's DCACHE_UNHASHED. - end of the compound: release the reference to the current filehandle, and dput() the new DCACHE_DISCONECTED dentry, which gets put on the unused list instead of being destroyed immediately. Nick Piggin suggested fixing this by allowing d_obtain_alias to return the unhashed dentry that is referenced by the filp, instead of making it create a new dentry. Leave __d_find_alias() alone to avoid changing behavior of other callers. Also nfsd doesn't need all the checks of __d_find_alias(); any dentry, hashed or unhashed, disconnected or not, should work. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10Check for immutable/append flag in fallocate pathMarco Stornelli
In the fallocate path the kernel doesn't check for the immutable/append flag. It's possible to have a race condition in this scenario: an application open a file in read/write and it does something, meanwhile root set the immutable flag on the file, the application at that point can call fallocate with success. In addition, we don't allow to do any unreserve operation on an append only file but only the reserve one. Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10sysctl: the include of rcupdate.h is only needed in the kernelStephen Rothwell
Fixes this built error: include/linux/sysctl.h:28: included file 'linux/rcupdate.h' is not exported Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10fat: fix d_revalidate oopsen on NFS exportsAl Viro
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10jfs: fix d_revalidate oopsen on NFS exportsAl Viro
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10ocfs2: fix d_revalidate oopsen on NFS exportsAl Viro
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10gfs2: fix d_revalidate oopsen on NFS exportsAl Viro
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10fuse: fix d_revalidate oopsen on NFS exportsAl Viro
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10ceph: fix d_revalidate oopsen on NFS exportsAl Viro
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10reiserfs xattr ->d_revalidate() shouldn't care about RCUAl Viro
... it returns an error unconditionally Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-10/proc/self is never going to be invalidated...Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-09Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/pseries: Disable VPNH feature powerpc/iseries: Fix early init access to lppaca
2011-03-09Merge branch 'for-linus' of ↵Linus Torvalds
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: net: don't allow CAP_NET_ADMIN to load non-netdev kernel modules
2011-03-09sysctl: the include of rcupdate.h is only needed in the kernelStephen Rothwell
Fixes this build-check error: include/linux/sysctl.h:28: included file 'linux/rcupdate.h' is not exported Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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