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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"Some final updates and fixes for this merge window for the parisc
architecture. Changes include:
- Fix boot problems with new memblock allocator on rp3410 machine
- Increase initial kernel mapping size for 32- and 64-bit kernels,
this allows to boot bigger kernels which have many modules built-in
- Fix kernel layout regarding __gp and move exception table into RO
section
- Show trap names in crashes, use extable.h header instead of
module.h"
* 'parisc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Show trap name in kernel crash
parisc: Zero-initialize newly alloced memblock
parisc: Move exception table into read-only section
parisc: Fix kernel memory layout regarding position of __gp
parisc: Increase initial kernel mapping size
parisc: Migrate exception table users off module.h and onto extable.h
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Show the real trap name when the kernel crashes.
Signed-off-by: Helge Deller <deller@gmx.de>
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Commit 4fe9e1d957e4 ("parisc: Drop bootmem and switch to memblock")
switched to the memblock allocator, but missed to zero-initialize the
newly allocated memblocks. This lead to crashes on some machines like
the rp3410.
Fixes: 4fe9e1d957e4 ("parisc: Drop bootmem and switch to memblock")
Signed-off-by: Helge Deller <deller@gmx.de>
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Since BUILDTIME_EXTABLE_SORT is enabled, the exception table can move
into the read-only section.
Signed-off-by: Helge Deller <deller@gmx.de>
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Architecturally we need to keep __gp below 0x1000000.
But because of ftrace and tracepoint support, the RO_DATA_SECTION now gets much
bigger than it was before. By moving the linkage tables before RO_DATA_SECTION
we can avoid that __gp gets positioned at a too high address.
Cc: stable@vger.kernel.org # 4.4+
Signed-off-by: Helge Deller <deller@gmx.de>
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Increase the initial kernel default page mapping size for 64-bit kernels to
64 MB and for 32-bit kernels to 32 MB.
Due to the additional support of ftrace, tracepoint and huge pages the kernel
size can exceed the sizes we used up to now.
Cc: stable@vger.kernel.org # 4.4+
Signed-off-by: Helge Deller <deller@gmx.de>
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This file was only including module.h for exception table related
functions. We've now separated that content out into its own file
"extable.h" so now move over to that and avoid all the extra header
content in module.h that we don't really need to compile this file.
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull uaccess.h prepwork from Al Viro:
"Preparations to tree-wide switch to use of linux/uaccess.h (which,
obviously, will allow to start unifying stuff for real). The last step
there, ie
PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*<asm/uaccess.h>'
sed -i -e "s!$PATT!#include <linux/uaccess.h>!" \
`git grep -l "$PATT"|grep -v ^include/linux/uaccess.h`
is not taken here - I would prefer to do it once just before or just
after -rc1. However, everything should be ready for it"
* 'work.uaccess2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
remove a stray reference to asm/uaccess.h in docs
sparc64: separate extable_64.h, switch elf_64.h to it
score: separate extable.h, switch module.h to it
mips: separate extable.h, switch module.h to it
x86: separate extable.h, switch sections.h to it
remove stray include of asm/uaccess.h from cacheflush.h
mn10300: remove a bogus processor.h->uaccess.h include
xtensa: split uaccess.h into C and asm sides
bonding: quit messing with IOCTL
kill __kernel_ds_p off
mn10300: finish verify_area() off
frv: move HAVE_ARCH_UNMAPPED_AREA to pgtable.h
exceptions: detritus removal
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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more victims of indirect include chains - au1200fb
lasat/picvue_proc and watchdog/ath79_wdt
... as well as tb0219, spotted by Sudip Mukherjee
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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drivers/platform/x86/dell-smo8800.c is touched due to the following obscenity:
drivers/platform/x86/dell-smo8800.c ->
linux/interrupt.h ->
linux/hardirq.h ->
asm/hardirq.h ->
linux/irq.h ->
asm/hw_irq.h ->
asm/sections.h ->
asm/uaccess.h
is the only chain of includes pulling asm/uaccess.h there.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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It was introduced in "arch, x86: pmem api for ensuring durability
of persistent memory updates" in July 2015, along with the code
that really used that stuff. Three weeks later all that code
got moved to asm/pmem.h by "pmem, x86: move x86 PMEM API to new
pmem.h header"; include, however, was left behind.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The only reason it used to be needed had been a (bogus) use of
set_fs() in start_thread() and that got removed in 2011...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The only remaining users are issuing SIOCGMIIPHY and SIOCGMIIREG,
neither of which deals with userland pointers. Simply calling
->ndo_do_ioctl() is fine; no messing with set_fs() is needed.
It used to mess with SIOCETHTOOL, which would've needed set_fs(),
but that has been killed in "[NET] ethtool ops are the only way"
9 years ago...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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it has no business in uaccess.h, everything else has it in pgtable.h and
the only user (mm/mmap.c) unconditionally pulls asm/pgtable.h via linux/mm.h.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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externs and defines for stuff that is never used
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Pull drm updates from Dave Airlie:
"Core:
- Fence destaging work
- DRIVER_LEGACY to split off legacy drm drivers
- drm_mm refactoring
- Splitting drm_crtc.c into chunks and documenting better
- Display info fixes
- rbtree support for prime buffer lookup
- Simple VGA DAC driver
Panel:
- Add Nexus 7 panel
- More simple panels
i915:
- Refactoring GEM naming
- Refactored vma/active tracking
- Lockless request lookups
- Better stolen memory support
- FBC fixes
- SKL watermark fixes
- VGPU improvements
- dma-buf fencing support
- Better DP dongle support
amdgpu:
- Powerplay for Iceland asics
- Improved GPU reset support
- UVD/VEC powergating support for CZ/ST
- Preinitialised VRAM buffer support
- Virtual display support
- Initial SI support
- GTT rework
- PCI shutdown callback support
- HPD IRQ storm fixes
amdkfd:
- bugfixes
tilcdc:
- Atomic modesetting support
mediatek:
- AAL + GAMMA engine support
- Hook up gamma LUT
- Temporal dithering support
imx:
- Pixel clock from devicetree
- drm bridge support for LVDS bridges
- active plane reconfiguration
- VDIC deinterlacer support
- Frame synchronisation unit support
- Color space conversion support
analogix:
- PSR support
- Better panel on/off support
rockchip:
- rk3399 vop/crtc support
- PSR support
vc4:
- Interlaced vblank timing
- 3D rendering CPU overhead reduction
- HDMI output fixes
tda998x:
- HDMI audio ASoC support
sunxi:
- Allwinner A33 support
- better TCON support
msm:
- DT binding cleanups
- Explicit fence-fd support
sti:
- remove sti415/416 support
etnaviv:
- MMUv2 refactoring
- GC3000 support
exynos:
- Refactoring HDMI DCC/PHY
- G2D pm regression fix
- Page fault issues with wait for vblank
There is no nouveau work in this tree, as Ben didn't get a pull
request in, and he was fighting moving to atomic and adding mst
support, so maybe best it waits for a cycle"
* tag 'drm-for-v4.9' of git://people.freedesktop.org/~airlied/linux: (1412 commits)
drm/crtc: constify drm_crtc_index parameter
drm/i915: Fix conflict resolution from backmerge of v4.8-rc8 to drm-next
drm/i915/guc: Unwind GuC workqueue reservation if request construction fails
drm/i915: Reset the breadcrumbs IRQ more carefully
drm/i915: Force relocations via cpu if we run out of idle aperture
drm/i915: Distinguish last emitted request from last submitted request
drm/i915: Allow DP to work w/o EDID
drm/i915: Move long hpd handling into the hotplug work
drm/i915/execlists: Reinitialise context image after GPU hang
drm/i915: Use correct index for backtracking HUNG semaphores
drm/i915: Unalias obj->phys_handle and obj->userptr
drm/i915: Just clear the mmiodebug before a register access
drm/i915/gen9: only add the planes actually affected by ddb changes
drm/i915: Allow PCH DPLL sharing regardless of DPLL_SDVO_HIGH_SPEED
drm/i915/bxt: Fix HDMI DPLL configuration
drm/i915/gen9: fix the watermark res_blocks value
drm/i915/gen9: fix plane_blocks_per_line on watermarks calculations
drm/i915/gen9: minimum scanlines for Y tile is not always 4
drm/i915/gen9: fix the WaWmMemoryReadLatency implementation
drm/i915/kbl: KBL also needs to run the SAGV code
...
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git://anongit.freedesktop.org/drm-intel into drm-next
Just flushing out my -misc queue. Slightly important are the prime
refcount/unload fixes from Chris.
There's also the reservation stuff from Chris still pending, and Sumits
hasn't landed that yet. Might get another pull for that, but pls don't
hold up the main pull for it ;-)
* tag 'topic/drm-misc-2016-10-11' of git://anongit.freedesktop.org/drm-intel:
drm/crtc: constify drm_crtc_index parameter
drm: use the right function name in documentation
drm: Release resources with a safer function
drm: Fix up kerneldoc for new drm_gem_dmabuf_export()
drm/bridge: Drop drm_connector_unregister and call drm_connector_cleanup directly
drm/fb-helper: fix sphinx markup for DRM_FB_HELPER_DEFAULT_OPS
drm/bridge: Add RGB to VGA bridge support
drm/prime: Take a ref on the drm_dev when exporting a dma_buf
drm/prime: Pass the right module owner through to dma_buf_export()
drm/bridge: Call drm_connector_cleanup directly
drm: simple_kms_helper: Add prepare_fb and cleanup_fb hooks
drm: Release resources with a safer function
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Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1476113170-13816-1-git-send-email-jani.nikula@intel.com
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There is no late_unregister(), it looks like the comment meant
late_register(). Also fix a typo while at it.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1476032820-3275-1-git-send-email-notasas@gmail.com
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We should use 'ida_simple_remove()' instead of 'ida_remove()' when freeing
resources allocated with 'ida_simple_get()'.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1475825261-7735-1-git-send-email-christophe.jaillet@wanadoo.fr
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I hit send before completing a make htmldoc, and lo I forgot to fix up
the cut'n'paste.
Fixes: a4fce9cb782a ("drm/prime: Take a ref on the drm_dev when exporting...")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161005174056.29869-1-chris@chris-wilson.co.uk
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directly
Drop unneeded drm_connector_unregister() and remove the unnecessary
wrapper functions around drm_connector_cleanup().
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161005143133.5549-1-marex@denx.de
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Fix invalid sphinx markup in the comment for the newly added
DRM_FB_HELPER_DEFAULT_OPS.
Signed-off-by: Stefan Christ <contact@stefanchrist.eu>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1475692454-11543-1-git-send-email-contact@stefanchrist.eu
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Some boards have an entirely passive RGB to VGA bridge, based on DACs
implemented by resistor ladders.
Those might or might not have an i2c bus routed to the VGA connector in
order to access the screen EDIDs.
Add a bridge that doesn't do anything but expose the modes available on the
screen, either based on the EDIDs if available, or based on the XGA
standards.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20160930143709.1388-3-maxime.ripard@free-electrons.com
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dma_buf may live a long time, longer than the last direct user of the
driver. We already hold a reference to the owner module (that prevents
the object code from disappearing), but there is no reference to the
drm_dev - so the pointers to the driver backend themselves may vanish.
v2: Resist temptation to fix the bug in armada_gem.c not setting the
correct flags on the exported dma-buf (it should pass the flags through
and not be arbitrarily setting O_RDWR).
Use a common wrapper for exporting the dmabuf and acquiring the
reference to the drm_device.
Testcase: igt/vgem_basic/unload
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Petri Latvala <petri.latvala@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Tested-by: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161005122145.1507-2-chris@chris-wilson.co.uk
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dma_buf_export() adds a reference to the owning module to the dmabuf (to
prevent the driver from being unloaded whilst a third party still refers
to the dmabuf). However, drm_gem_prime_export() was passing its own
THIS_MODULE (i.e. drm.ko) rather than the driver. Extract the right
owner from the device->fops instead.
v2: Use C99 initializers to zero out unset elements of
dma_buf_export_info
v3: Extract the right module from dev->fops.
Testcase: igt/vgem_basic/unload
Reported-by: Petri Latvala <petri.latvala@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Petri Latvala <petri.latvala@intel.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Tested-by: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161005122145.1507-1-chris@chris-wilson.co.uk
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Remove the unnecessary wrapper functions around drm_connector_cleanup().
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161004222331.7200-1-marex@denx.de
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Add .prepare_fb and .cleanup_fb plane hooks into the drm_simple_kms.
These can be used by drivers to call ie. the drm_fb_cma_setup_fence()
helper.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161002170124.6099-1-marex@denx.de
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We should use 'ida_simple_remove()' instead of 'ida_remove()' when freeing
resources allocated with 'ida_simple_get()'.
This as been spotted with the following coccinelle script which tries to
detect missing 'ida_simple_remove()' call in error handling paths.
///////////////
@@
expression x;
identifier l;
@@
* x = ida_simple_get(...);
...
if (...) {
...
}
...
if (...) {
...
goto l;
}
...
* l: ... when != ida_simple_remove(...);
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1475388082-12656-1-git-send-email-christophe.jaillet@wanadoo.fr
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git://anongit.freedesktop.org/drm-intel into drm-next
A big bunch of i915 fixes for drm-next / v4.9 merge window, with more
than half of them also cc: stable. We also continue to have more Fixes:
annotations for our fixes, which should help the backporters and
archeologists.
* tag 'drm-intel-next-fixes-2016-10-11' of git://anongit.freedesktop.org/drm-intel: (27 commits)
drm/i915: Fix conflict resolution from backmerge of v4.8-rc8 to drm-next
drm/i915/guc: Unwind GuC workqueue reservation if request construction fails
drm/i915: Reset the breadcrumbs IRQ more carefully
drm/i915: Force relocations via cpu if we run out of idle aperture
drm/i915: Distinguish last emitted request from last submitted request
drm/i915: Allow DP to work w/o EDID
drm/i915: Move long hpd handling into the hotplug work
drm/i915/execlists: Reinitialise context image after GPU hang
drm/i915: Use correct index for backtracking HUNG semaphores
drm/i915: Unalias obj->phys_handle and obj->userptr
drm/i915: Just clear the mmiodebug before a register access
drm/i915/gen9: only add the planes actually affected by ddb changes
drm/i915: Allow PCH DPLL sharing regardless of DPLL_SDVO_HIGH_SPEED
drm/i915/bxt: Fix HDMI DPLL configuration
drm/i915/gen9: fix the watermark res_blocks value
drm/i915/gen9: fix plane_blocks_per_line on watermarks calculations
drm/i915/gen9: minimum scanlines for Y tile is not always 4
drm/i915/gen9: fix the WaWmMemoryReadLatency implementation
drm/i915/kbl: KBL also needs to run the SAGV code
drm/i915: introduce intel_has_sagv()
...
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The conflict resolution of v4.8-rc8 backmerge to drm-next pulled back in
a few lines of dead code due to the code movement around
i915_gem_reset(), fix that up.
Fixes: ca09fb9f60b5 ("Merge tag 'v4.8-rc8' into drm-next")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161010125017.23911-1-chris@chris-wilson.co.uk
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We reserve space in the GuC workqueue for submitting the request in the
future. However, if we fail to construct the request, we need to give
that reserved space back to the system.
Fixes: dadd481bfe55 ("drm/i915/guc: Prepare for nonblocking execbuf submission")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97978
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161007065327.24515-4-chris@chris-wilson.co.uk
(cherry picked from commit 5ba899082cbffb779ccb39420fe1718850daf857)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Along with the interrupt, we want to restore the fake-irq and
wait-timeout detection. If we use the breadcrumbs interface to setup the
interrupt as it wants, the auxiliary timers will also be restored.
v2: Cancel both timers as well, sanitize the IMR.
Fixes: 821ed7df6e2a ("drm/i915: Update reset path to fix incomplete requests")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161007065327.24515-3-chris@chris-wilson.co.uk
(cherry picked from commit ad07dfcddf1394e6fed094e7fb426b4242a6814e)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If we run out of enough aperture space to fit the entire object, we
fallback to trying to insert a single page. However, if that also fails,
we currently fail to userspace with an unexpected ENOSPC. (ENOSPC means
to userspace that their batch could not be fitted within the GTT.) Prior
to commit e8cb909ac3ab ("drm/i915: Fallback to single page GTT
mmappings for relocations") the approach is to fallback to using the
slow CPU relocation path in case of iomapping failure, and that is the
behaviour we need to restore.
Fixes: e8cb909ac3ab ("drm/i915: Fallback to single page GTT mmappings...")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98101
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161007065327.24515-2-chris@chris-wilson.co.uk
(cherry picked from commit d7f7633557503bd231347d8896b9a6fb08f84e00)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In order not to trigger hangcheck on a idle-but-waiting engine, we need
to distinguish between the pending request queue and the actual
execution queue. This is done later in "drm/i915: Enable multiple
timelines" but for now we need a temporary fix to prevent blaming the
wrong engine for a GPU hang.
(Note that this causes a temporary subtle change in how we decide when
to allow a waitboost to be re-awarded back to the waiter, the temporary
effect is that if the wait is upon the most current execution the wait
is given for free, instead of checking to see if the client stalled
itself. This will be repaired in "drm/i915: Enable multiple timelines".)
Fixes: 0a046a0e93d2 ("drm/i915: Nonblocking request submission")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98104
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161007065327.24515-1-chris@chris-wilson.co.uk
(cherry picked from commit 8687b3ec852e89630bac650f15136811c7b4c1dc)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Allow returning "connected" or "unknown" connector status for DP branch
devices that don't have an EDID. Currently we'd claim the thing as
"disconnected" if there is no EDID.
This stuff used to broken already, I think, but it got more broken by
commit f21a21983ef1 ("drm/i915: Splitting intel_dp_detect")
Cc: Damien Cassou <damien@cassou.me>
Cc: freedesktop.org@gp.mailgun.org
Cc: Arno <blouin.arno@gmail.com>
Cc: Shubhangi Shrivastava <shubhangi.shrivastava@intel.com>
Cc: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: stable@vger.kernel.org
Tested-by: Arno <blouin.arno@gmail.com>
Fixes: f21a21983ef1 ("drm/i915: Splitting intel_dp_detect")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83348
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1475481316-8194-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
(cherry picked from commit 5cb651a7959310ef4dbb0b93f005b10286789656)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We can't rely on connector->status in the detect() hook if the long hpd
was already handled by the dig_port_work as that won't update
connector->status. Thus we have to defer the long hpd handling entirely
until the hotplug work runs to avoid the double long hpd handling
the "detect_done" flag is trying to prevent.
We'll start to depend on connector->status being up to date in a
following patch.
Cc: Damien Cassou <damien@cassou.me>
Cc: freedesktop.org@gp.mailgun.org
Cc: Arno <blouin.arno@gmail.com>
Cc: Shubhangi Shrivastava <shubhangi.shrivastava@intel.com>
Cc: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: stable@vger.kernel.org
Tested-by: Arno <blouin.arno@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83348
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1475481316-8194-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
(cherry picked from commit 27d4efc5591a5853de54713bc717de73c8951e17)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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On Braswell, at least, we observe that the context image is written in
multiple phases. The first phase is to clear the register state, and
subsequently rewrite it. A GPU reset at the right moment can interrupt
the context update leaving it corrupt, and our update of the RING_HEAD
is not sufficient to restart the engine afterwards. To recover, we need
to reset the registers back to their original values. The context state
is lost. What we need is a better mechanism to serialise the reset with
pending flushes from the GPU.
Fixes: 821ed7df6e2a ("drm/i915: Update reset path to fix incomplete requests")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161004201132.21801-2-chris@chris-wilson.co.uk
(cherry picked from commit a3aabe86a3406b9946a4f7707762a833a58dfe9c)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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When decoding the semaphores inside hangcheck, we need to use the hw-id
and not the local array index.
Fixes: de1add360522 ("drm/i915: Decouple execbuf uAPI ...")
Testcase: igt/gem_exec_whisper/hang # gen6-7
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161003124516.12388-3-chris@chris-wilson.co.uk
(cherry picked from commit 348b9b1192144e13b779f8f9be301d492bebaff2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We use obj->phys_handle to choose the pread/pwrite path, but as
obj->phys_handle is a union with obj->userptr, we then mistakenly use
the phys_handle path for userptr objects within pread/pwrite.
Testcase: igt/gem_userptr_blits/forbidden-operations
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97519
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161003124516.12388-2-chris@chris-wilson.co.uk
(cherry picked from commit 5f12b80a0b42da253691ca03828033014bb786eb)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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When we enable the per-register access mmiodebug, it is to detect which
access is illegal. Reporting on earlier untraced access outside of the
mmiodebug does not help debugging (as the suspicion is immediately put
upon the current register which is not at fault)!
References: https://bugs.freedesktop.org/show_bug.cgi?id=97985
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: stable@vger.kernel.org
Link: http://patchwork.freedesktop.org/patch/msgid/20161003124516.12388-1-chris@chris-wilson.co.uk
(cherry picked from commit dda960335e020835f7f1c12760e7f0b525b451e2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We were previously adding all the planes owned by the CRTC even when
the ddb partitioning didn't change for them. As a consequence, a lot
of functions were being called when we were just moving the cursor
around the screen, such as skylake_update_primary_plane().
This was causing flickering on the primary plane when moving the
cursor. I'm not 100% sure which operation caused the flickering, but
we were writing to a lot of registers, so it could be any of these
writes. With this patch, just moving the mouse won't add the primary
plane to the commit since it won't trigger a change in DDB
partitioning.
v2: Use skl_ddb_entry_equal() (Lyude).
v3: Change Reported-and-bisected-by: to Reported-by: for checkpatch
Fixes: 05a76d3d6ad1 ("drm/i915/skl: Ensure pipes with changed wms get added to the state")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97888
Cc: Mike Lothian <mike@fireburn.co.uk>
Cc: stable@vger.kernel.org
Reported-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Lyude <cpaul@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1475177808-29955-1-git-send-email-paulo.r.zanoni@intel.com
(cherry picked from commit 7f60e200e254cd53ad1bd74a56bdd23e813ac4b7)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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DPLL_SDVO_HIGH_SPEED must be set for SDVO/HDMI/DP, but nowhere is it
forbidden to set it for LVDS/CRT as well. So let's also set it on
CRT to make it possible to share the DPLL between HDMI and CRT.
What that bit apparently does is enable the x5 clock to the port,
which then pumps out the bits on both edges of the clock. The DAC
doesn't need that clock since it's not pumping out bits, but I don't
think it hurts to have the DPLL output that clock anyway.
This is fairly important on IVB since it has only two DPLLs with three
pipes. So trying to drive three or more PCH ports with three pipes
is only possible when at least one of the DPLLs gets shared between
two of the pipes.
SNB doesn't really need to do this since it has only two pipes. It could
be done to avoid enabling the second DPLL at all in certain cases, but
I'm not sure that's such a huge win. So let's not do it for SNB, at
least for now. On ILK it never makes sense as the DPLLs can't be shared.
v2: Just always enable the high speed clock to keep things simple (Daniel)
Beef up the commit message a bit (Daniel)
Cc: Nick Yamane <nick.diego@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Tested-by: Nick Yamane <nick.diego@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97204
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1474878646-17711-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
(cherry picked from commit 7d7f8633a82763577727762ff3ac1df3017cb8fe)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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a277ca7dc01d should've been a no-functional-change commit, but it
removed the initialization of the dpll_hw_state for HDMI outputs,
resulting in state mismatches and a failed modeset with blank
screen. Fix this by reinstating the dpll_hw_state initialization.
v2:
- Make bxt_ddi_hdmi_set_dpll_hw_state() static.
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Durgadoss R <durgadoss.r@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Fixes: a277ca7dc01d ("drm/i915: Split bxt_ddi_pll_select()")
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1474901671-22719-1-git-send-email-imre.deak@intel.com
(cherry picked from commit a04139c4cf289119cdfb6081af602f7a452fb7c2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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