dri-devel January 2012

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[Bug 27314] displayport link training fails on certain panels (channel equalization fails)
by bugzilla-daemon＠freedesktop.org 19 Jan '12

19 Jan '12

https://bugs.freedesktop.org/show_bug.cgi?id=27314 Rafael Ávila de Espíndola <rafael.espindola(a)gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #55359|0 |1 is obsolete| | --- Comment #66 from Rafael Ávila de Espíndola <rafael.espindola(a)gmail.com> 2012-01-19 20:53:01 UTC --- Created attachment 55818 --> https://bugs.freedesktop.org/attachment.cgi?id=55818 dmesg trying kms after efi booting EFI booting doesn't look very different from a bios boot. There is initially a fb thanks to efifb, but the screen goes black just after [ 4.071160] fb: conflicting fb hw usage radeondrmfb vs EFI VGA - removing generic driver -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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Re: [0/5] bcma/brcmsmac suspend/resume cleanups and fixes
by Arend van Spriel 19 Jan '12

19 Jan '12

On 01/17/2012 02:12 AM, Linus Torvalds wrote: > 2012/1/16 Arend van Spriel <arend(a)broadcom.com>: >> >> I build a new kernel with MCE enabled. Same issue. I did not load bcma >> or brcmsmac yet. Attached is trace I could pull from the kernel log >> (str-test-*). > > Oh well. Everything looks fine in the test traces - the warnings are > annoying and nasty, but a known issue and not dangerous (and I have a > patch in my tree to fix them now). > > So if the real suspend fails, it's some other subsystem that has > gotten broken. I don't think I have any other reports like that yet, > and there is not a lot to go on. If you could try to bisect it (I > assume plain Linux-3.2 works fine?) that woudl be wonderful, otherwise > I think we're stuck waiting for somebody else to hit it and figure it > out. > > Linus > Hi Linus, No trivial bisect. I wish I had a faster build machine, but alas. I suspected some issue in DRM and the bisect took me into drm-core-next branch. I ended up at the following commit: dc97b3409a790d2a21aac6e5cdb99558b5944119 is the first bad commit commit dc97b3409a790d2a21aac6e5cdb99558b5944119 Author: Jerome Glisse <jglisse(a)redhat.com> Date: Fri Nov 18 11:47:03 2011 -0500 drm/ttm: callback move_notify any time bo placement change v4 Previously we were calling back move_notify in error path when the bo is returned to it's original position or when destroy the bo. When destroying the bo set the new mem placement as NULL when calling back in the driver. Updating nouveau to deal with NULL placement properly. v2: reserve the object before calling move_notify in bo destroy path at that point ttm should be the only piece of code interacting with the object so atomic_set is safe here. v3: callback move notify only once the bo is in its new position call move notify want swaping out the buffer v4:- don't call move_notify when swapin out bo, assume driver should do what is appropriate in swap notify - move move_notify call back to ttm_bo_cleanup_memtype_use for destroy path Reviewed-by: Jerome Glisse <jglisse(a)redhat.com> Reviewed-by: Thomas Hellstrom <thellstrom(a)vmware.com> Actually, this commit was already bothering my bisect as it gave me a NULL pointer deref on system startup. I patched it to proceed the bisect (see attached diff). The NULL deref was fixed in the drm-nouveau-next branch (f7b24c4 drm/nouveau/ttm: fix crash as a result of a recent ttm change). However, the suspend/resume issue was not resolved. Gr. AvS --------------------- 01:00.0 VGA compatible controller: nVidia Corporation GT218 [NVS 3100M] (rev a2) (prog-if 00 [VGA controller]) Subsystem: Dell Device 040a Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 16 Region 0: Memory at e2000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at d0000000 (64-bit, prefetchable) [size=256M] Region 3: Memory at e0000000 (64-bit, prefetchable) [size=32M] Region 5: I/O ports at 7000 [size=128] Expansion ROM at e3000000 [disabled] [size=512K] Capabilities: <access denied> Kernel driver in use: nouveau Kernel modules: nouveau, nvidiafb

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[Bug 27314] displayport link training fails on certain panels (channel equalization fails)
by bugzilla-daemon＠freedesktop.org 19 Jan '12

19 Jan '12

https://bugs.freedesktop.org/show_bug.cgi?id=27314 --- Comment #65 from Rafael Ávila de Espíndola <rafael.espindola(a)gmail.com> 2012-01-18 21:27:43 PST --- (In reply to comment #64) > FYI, linux 3.2-rc7 on iMac12,2 (27" 2011 model) has radeon kms running without > any glitch, and even with pretty good performance ! I'm EFI-booting with > default debian/experimental kernel, so it's not customized nor patched. Interesting. I have a iMac11,1. I will try EFI booting it. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[PATCH] drm/omap: fix locking issue
by Rob Clark 19 Jan '12

19 Jan '12

From: Rob Clark <rob(a)ti.com> The create/free mmap offset code must be synchronized. Yet only some callers of omap_gem_mmap_offset() held struct_mutex. Leading to various crashes around drm_mm_insert_helper_range(). (In the free-object path, which is currently the only place we drm_gem_free_mmap_offset(), struct_mutex is already held.) Signed-off-by: Rob Clark <rob(a)ti.com> --- drivers/staging/omapdrm/omap_gem.c | 18 ++++++++++++++---- 1 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c index ae1ad35..b7d6f88 100644 --- a/drivers/staging/omapdrm/omap_gem.c +++ b/drivers/staging/omapdrm/omap_gem.c @@ -116,6 +116,9 @@ struct omap_gem_object { } *sync; }; +static int get_pages(struct drm_gem_object *obj, struct page ***pages); +static uint64_t mmap_offset(struct drm_gem_object *obj); + /* To deal with userspace mmap'ings of 2d tiled buffers, which (a) are * not necessarily pinned in TILER all the time, and (b) when they are * they are not necessarily page aligned, we reserve one or more small @@ -149,7 +152,7 @@ static void evict_entry(struct drm_gem_object *obj, { if (obj->dev->dev_mapping) { size_t size = PAGE_SIZE * usergart[fmt].height; - loff_t off = omap_gem_mmap_offset(obj) + + loff_t off = mmap_offset(obj) + (entry->obj_pgoff << PAGE_SHIFT); unmap_mapping_range(obj->dev->dev_mapping, off, size, 1); } @@ -189,8 +192,6 @@ static inline bool is_shmem(struct drm_gem_object *obj) return obj->filp != NULL; } -static int get_pages(struct drm_gem_object *obj, struct page ***pages); - static DEFINE_SPINLOCK(sync_lock); /** ensure backing pages are allocated */ @@ -251,7 +252,7 @@ static void omap_gem_detach_pages(struct drm_gem_object *obj) } /** get mmap offset */ -uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj) +static uint64_t mmap_offset(struct drm_gem_object *obj) { if (!obj->map_list.map) { /* Make it mmapable */ @@ -267,6 +268,15 @@ uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj) return (uint64_t)obj->map_list.hash.key << PAGE_SHIFT; } +uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj) +{ + uint64_t offset; + mutex_lock(&obj->dev->struct_mutex); + offset = mmap_offset(obj); + mutex_unlock(&obj->dev->struct_mutex); + return offset; +} + /** get mmap size */ size_t omap_gem_mmap_size(struct drm_gem_object *obj) { -- 1.7.5.4

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[PATCH] MAINTAINERS: Add dma-buf sharing framework maintainer
by Sumit Semwal 18 Jan '12

18 Jan '12

Adding maintainer info for dma-buf DMA buffer sharing framework. Signed-off-by: Sumit Semwal <sumit.semwal(a)ti.com> --- MAINTAINERS | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index fa3f5e6..620119e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2246,6 +2246,14 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm.git S: Supported F: fs/dlm/ +DMA BUFFER SHARING FRAMEWORK +M: Sumit Semwal <sumit.semwal(a)linaro.org> +S: Maintained +F: drivers/base/dma-buf* +F: include/linux/dma-buf* +F: Documentation/dma-buf-sharing.txt +T: git git://git.linaro.org/people/sumitsemwal/linux-3.x.git + DMA GENERIC OFFLOAD ENGINE SUBSYSTEM M: Vinod Koul <vinod.koul(a)intel.com> M: Dan Williams <dan.j.williams(a)intel.com> -- 1.7.5.4

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[Bug 25356] Segmentation fault occurs on running cd
by bugzilla-daemon＠freedesktop.org 18 Jan '12

18 Jan '12

https://bugs.freedesktop.org/show_bug.cgi?id=25356 --- Comment #9 from Michel Dänzer <michel(a)daenzer.net> 2012-01-18 02:37:12 PST --- This report should either be reassigned to r300g if it still happens with that, or resolved as WONTFIX, as r300c is dead. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[Bug 24572] Can't compile git drm/linux-core/drm_memory.c
by bugzilla-daemon＠freedesktop.org 18 Jan '12

18 Jan '12

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[Bug 25672] System unable to recover from suspend to disk
by bugzilla-daemon＠freedesktop.org 18 Jan '12

18 Jan '12

https://bugs.freedesktop.org/show_bug.cgi?id=25672 Michel Dänzer <michel(a)daenzer.net> changed: What |Removed |Added ---------------------------------------------------------------------------- Product|Mesa |DRI Version|git |unspecified Component|Drivers/DRI/R600 |DRM/Radeon -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[Bug 38491] New: [S-Video]: Corruption observed in Application Window on resizing the desktop.
by bugzilla-daemon＠freedesktop.org 18 Jan '12

18 Jan '12

https://bugs.freedesktop.org/show_bug.cgi?id=38491 Summary: [S-Video]: Corruption observed in Application Window on resizing the desktop. Product: Mesa Version: 7.10 Platform: Other OS/Version: All Status: NEW Severity: normal Priority: medium Component: Drivers/DRI/R600 AssignedTo: dri-devel(a)lists.freedesktop.org ReportedBy: hysvats(a)gmail.com Created an attachment (id=48184) --> (https://bugs.freedesktop.org/attachment.cgi?id=48184) glxgears-corruption KMS Driver Stack Details: ========================= 1) Kernel- 2.6.38-8-generice 2) Libdrm-2.4.23 3) Mesa-7.10.1 4) Xorg-server-1.10.0 5) ddx: xf86-video-ati-6.14.99 System Environment: =================== O.S. - Ubuntu-11.04(32 bit) ASIC – RV710 RadeonHD 4350 CPU - Intel(R) Core(TM) 2 CPU 6300 @1.86GHz Steps to Reproduce: =================== 1) Connect S-Video and run glxgears 2) change the scale with #xrandr --output DIN --scale 0.2x0.2 Observation : Corruption observed in Application Window (Screenshot Attached) =========== -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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[Bug 42056] New: Desktop corruption observed on running x11perf
by bugzilla-daemon＠freedesktop.org 18 Jan '12

18 Jan '12

https://bugs.freedesktop.org/show_bug.cgi?id=42056 Bug #: 42056 Summary: Desktop corruption observed on running x11perf Classification: Unclassified Product: Mesa Version: 7.11 Platform: x86 (IA32) OS/Version: All Status: NEW Severity: major Priority: medium Component: Drivers/DRI/R600 AssignedTo: dri-devel(a)lists.freedesktop.org ReportedBy: hysvats(a)gmail.com Created attachment 52581 --> https://bugs.freedesktop.org/attachment.cgi?id=52581 screenshot Hardware: Processor: Intel Core 2 6300 @ 1.86GHz (2 Cores), Chipset: Intel 82975X MCH + ICH7, Memory: 4 x 512 MB DDR-533MHz, Graphics: AMD Radeon HD 5800 Cypress XT (6899) Software: OS: Ubuntu 11.04, Kernel: 2.6.38-8-generic-pae (i686), Display Server: X Server 1.9.0, Display Driver: radeon 6.14.99, OpenGL: 2.1, Mesa 7.11-rc4, Gallium 0.4 Steps to Reproduce: =================== 1) Install phoronix test suite from the attachment http://phoronix-test-suite.com/releases/repo/pts.debian/files/phoronix-test… and resolve any dependency related to PHP with synaptic 2) Install x11perf with phoronix-test-suite install-test x11perf 3) Run phoronix-test-suite run x11perf Select: 1: 500px PutImage Square Observation: Desktop corruption observed (Screenshot attached) -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.

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dri-devel January 2012