| Commit message (Collapse) | Author | Age |
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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The primary purpose of this was to debug some use-after-free memory
corruption that was causing an OOPS inside drm/i915. As it turned out
the corruption was being caused elsewhere and i915.ko as a major user of
many objects was being hit hardest.
Indeed as we do frequent the generic kmalloc caches, dedicating one to
ourselves (or at least naming one for us depending upon the core) aids
debugging our own slab usage.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Allow for the creation of GEM objects backed by stolen memory. As these
are not backed by ordinary pages, we create a fake dma mapping and store
the address in the scatterlist rather than obj->pages.
v2: Mark _i915_gem_object_create_stolen() as static, as noticed by Jesse
Barnes.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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In order to accommodate objects that are not backed by struct pages, but
instead point into a contiguous region of stolen space, we need to make
various changes to avoid dereferencing obj->pages or obj->base.filp.
First introduce a marker for the stolen object, that specifies its
offset into the stolen region and implies that it has no backing pages.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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As FBC is commonly disabled due to limitations of the chipset upon
output configurations, on many systems FBC is never enabled. For those
systems, it is advantageous to make use of the stolen memory for other
objects and so we defer allocation of the FBC chunk until we actually
require it. This increases the likelihood of that allocation failing,
but that in turns means that we are already taking advantage of the
stolen memory!
As well as delaying the allocation from driver initialisation until the
first use of FBC, we also return the stolen block after we finish using
it - allowing greater flexibility in our usage of stolen space. A side
effect of this is that we can then attempt to allocate only the required
amount of space (with a little slack to reduce reallocation rate and
avoid fragmentation).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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As yet we do not do any preallocation (chicken-and-egg problem), but we
may like to preserve anything already allocated by the BIOS or grub and
reuse for own purposes after initialising the driver.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The routine to query the base of stolen memory was using the wrong
registers and the wrong encodings on virtually every platform.
It was not until the G33 refresh, that a PCI config register was
introduced that explicitly said where the stolen memory was. Prior to
865G there was not even a register that said where the end of usable
low memory was and where the stolen memory began (or ended depending
upon chipset). Before then, one has to look at the BIOS memory maps to
find the Top of Memory. Alas that is not exported by arch/x86 and so we
have to resort to disabling stolen memory on gen2 for the time being.
Then SandyBridge enlarged the PCI register to a full 32-bits and change
the encoding of the address, so even though we happened to be querying
the right register, we read the wrong bits and ended up using address 0
for our stolen data, i.e. notably FBC.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This will be used i915 in forthcoming patches in order to measure the
largest contiguous chunk of memory available for enabling chipset
features.
v2: Try to make the macro marginally safer and more readable by not
depending upon the drm_mm_hole_node_end() being non-zero. Note that we
need to open code list_for_each() in order to update the hole_start,
hole_end variable on each iteration and keep the macro sane.
v3: Tidy up few BUG_ONs that fell foul of adding additional tests to
drm_mm_hole_node_start().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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To be used later by i915 to preallocate exact blocks of space from the
range manager.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We only need to read/write the south interrupt register if the
corresponding bit is set in the north master interrupt register.
Noticed while reading our interrupt handling code.
Same optimization has already been applied on ivb in
commit 0e43406bcc1868a316eea6012a0a09d992c53521
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed May 9 21:45:44 2012 +0100
drm/i915: Simplify interrupt processing for IvyBridge
We can take advantage that the PCH_IIR is a subordinate register to
reduce one of the required IIR reads, and that we only need to clear
interrupts handled to reduce the writes. And by simply tidying the code
we can reduce the line count and hopefully make it more readable.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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spinlock_t should always be used.
LD drivers/gpu/drm/i915/built-in.o
CHECK drivers/gpu/drm/i915/i915_drv.c
CC [M] drivers/gpu/drm/i915/i915_drv.o
CHECK drivers/gpu/drm/i915/i915_dma.c
CC [M] drivers/gpu/drm/i915/i915_dma.o
CHECK drivers/gpu/drm/i915/i915_irq.c
CC [M] drivers/gpu/drm/i915/i915_irq.o
CHECK drivers/gpu/drm/i915/i915_debugfs.c
drivers/gpu/drm/i915/i915_debugfs.c:558:31: warning: dereference of noderef expression
drivers/gpu/drm/i915/i915_debugfs.c:558:39: warning: dereference of noderef expression
drivers/gpu/drm/i915/i915_debugfs.c:558:51: warning: dereference of noderef expression
drivers/gpu/drm/i915/i915_debugfs.c:558:63: warning: dereference of noderef expression
CC [M] drivers/gpu/drm/i915/i915_debugfs.o
CHECK drivers/gpu/drm/i915/i915_suspend.c
CC [M] drivers/gpu/drm/i915/i915_suspend.o
CHECK drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem.c:3703:14: warning: incorrect type in assignment (different base types)
drivers/gpu/drm/i915/i915_gem.c:3703:14: expected unsigned int [unsigned] [usertype] mask
drivers/gpu/drm/i915/i915_gem.c:3703:14: got restricted gfp_t
drivers/gpu/drm/i915/i915_gem.c:3706:22: warning: invalid assignment: &=
drivers/gpu/drm/i915/i915_gem.c:3706:22: left side has type unsigned int
drivers/gpu/drm/i915/i915_gem.c:3706:22: right side has type restricted gfp_t
drivers/gpu/drm/i915/i915_gem.c:3707:22: warning: invalid assignment: |=
drivers/gpu/drm/i915/i915_gem.c:3707:22: left side has type unsigned int
drivers/gpu/drm/i915/i915_gem.c:3707:22: right side has type restricted gfp_t
drivers/gpu/drm/i915/i915_gem.c:3711:39: warning: incorrect type in argument 2 (different base types)
drivers/gpu/drm/i915/i915_gem.c:3711:39: expected restricted gfp_t [usertype] mask
drivers/gpu/drm/i915/i915_gem.c:3711:39: got unsigned int [unsigned] [usertype] mask
CC [M] drivers/gpu/drm/i915/i915_gem.o
CHECK drivers/gpu/drm/i915/i915_gem_context.c
CC [M] drivers/gpu/drm/i915/i915_gem_context.o
CHECK drivers/gpu/drm/i915/i915_gem_debug.c
CC [M] drivers/gpu/drm/i915/i915_gem_debug.o
CHECK drivers/gpu/drm/i915/i915_gem_evict.c
CC [M] drivers/gpu/drm/i915/i915_gem_evict.o
CHECK drivers/gpu/drm/i915/i915_gem_execbuffer.c
CC [M] drivers/gpu/drm/i915/i915_gem_execbuffer.o
CHECK drivers/gpu/drm/i915/i915_gem_gtt.c
CC [M] drivers/gpu/drm/i915/i915_gem_gtt.o
CHECK drivers/gpu/drm/i915/i915_gem_stolen.c
CC [M] drivers/gpu/drm/i915/i915_gem_stolen.o
CHECK drivers/gpu/drm/i915/i915_gem_tiling.c
CC [M] drivers/gpu/drm/i915/i915_gem_tiling.o
CHECK drivers/gpu/drm/i915/i915_sysfs.c
CC [M] drivers/gpu/drm/i915/i915_sysfs.o
CHECK drivers/gpu/drm/i915/i915_trace_points.c
CC [M] drivers/gpu/drm/i915/i915_trace_points.o
CHECK drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_display.c:1736:9: warning: mixing different enum types
drivers/gpu/drm/i915/intel_display.c:1736:9: int enum transcoder versus
drivers/gpu/drm/i915/intel_display.c:1736:9: int enum pipe
drivers/gpu/drm/i915/intel_display.c:3659:48: warning: mixing different enum types
drivers/gpu/drm/i915/intel_display.c:3659:48: int enum pipe versus
drivers/gpu/drm/i915/intel_display.c:3659:48: int enum transcoder
CC [M] drivers/gpu/drm/i915/intel_display.o
CHECK drivers/gpu/drm/i915/intel_crt.c
CC [M] drivers/gpu/drm/i915/intel_crt.o
CHECK drivers/gpu/drm/i915/intel_lvds.c
CC [M] drivers/gpu/drm/i915/intel_lvds.o
CHECK drivers/gpu/drm/i915/intel_bios.c
drivers/gpu/drm/i915/intel_bios.c:706:60: warning: incorrect type in initializer (different address spaces)
drivers/gpu/drm/i915/intel_bios.c:706:60: expected struct vbt_header *vbt
drivers/gpu/drm/i915/intel_bios.c:706:60: got void [noderef] <asn:2>*vbt
drivers/gpu/drm/i915/intel_bios.c:726:42: warning: incorrect type in argument 1 (different address spaces)
drivers/gpu/drm/i915/intel_bios.c:726:42: expected void const *<noident>
drivers/gpu/drm/i915/intel_bios.c:726:42: got unsigned char [noderef] [usertype] <asn:2>*
drivers/gpu/drm/i915/intel_bios.c:727:40: warning: cast removes address space of expression
drivers/gpu/drm/i915/intel_bios.c:738:24: warning: cast removes address space of expression
CC [M] drivers/gpu/drm/i915/intel_bios.o
CHECK drivers/gpu/drm/i915/intel_ddi.c
drivers/gpu/drm/i915/intel_ddi.c:87:6: warning: symbol 'intel_prepare_ddi_buffers' was not declared. Should it be static?
drivers/gpu/drm/i915/intel_ddi.c:1036:34: warning: mixing different enum types
drivers/gpu/drm/i915/intel_ddi.c:1036:34: int enum pipe versus
drivers/gpu/drm/i915/intel_ddi.c:1036:34: int enum transcoder
CC [M] drivers/gpu/drm/i915/intel_ddi.o
drivers/gpu/drm/i915/intel_ddi.c: In function ‘intel_ddi_setup_hw_pll_state’:
drivers/gpu/drm/i915/intel_ddi.c:1129:2: warning: ‘port’ may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/gpu/drm/i915/intel_ddi.c:1111:12: note: ‘port’ was declared here
CHECK drivers/gpu/drm/i915/intel_dp.c
CC [M] drivers/gpu/drm/i915/intel_dp.o
CHECK drivers/gpu/drm/i915/intel_hdmi.c
CC [M] drivers/gpu/drm/i915/intel_hdmi.o
CHECK drivers/gpu/drm/i915/intel_sdvo.c
CC [M] drivers/gpu/drm/i915/intel_sdvo.o
CHECK drivers/gpu/drm/i915/intel_modes.c
CC [M] drivers/gpu/drm/i915/intel_modes.o
CHECK drivers/gpu/drm/i915/intel_panel.c
CC [M] drivers/gpu/drm/i915/intel_panel.o
CHECK drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/i915/intel_pm.c:2173:1: warning: symbol 'mchdev_lock' was not declared. Should it be static?
CC [M] drivers/gpu/drm/i915/intel_pm.o
CHECK drivers/gpu/drm/i915/intel_i2c.c
CC [M] drivers/gpu/drm/i915/intel_i2c.o
CHECK drivers/gpu/drm/i915/intel_fb.c
CC [M] drivers/gpu/drm/i915/intel_fb.o
CHECK drivers/gpu/drm/i915/intel_tv.c
CC [M] drivers/gpu/drm/i915/intel_tv.o
CHECK drivers/gpu/drm/i915/intel_dvo.c
CC [M] drivers/gpu/drm/i915/intel_dvo.o
CHECK drivers/gpu/drm/i915/intel_ringbuffer.c
CC [M] drivers/gpu/drm/i915/intel_ringbuffer.o
CHECK drivers/gpu/drm/i915/intel_overlay.c
CC [M] drivers/gpu/drm/i915/intel_overlay.o
CHECK drivers/gpu/drm/i915/intel_sprite.c
CC [M] drivers/gpu/drm/i915/intel_sprite.o
CHECK drivers/gpu/drm/i915/intel_opregion.c
CC [M] drivers/gpu/drm/i915/intel_opregion.o
CHECK drivers/gpu/drm/i915/dvo_ch7xxx.c
CC [M] drivers/gpu/drm/i915/dvo_ch7xxx.o
CHECK drivers/gpu/drm/i915/dvo_ch7017.c
CC [M] drivers/gpu/drm/i915/dvo_ch7017.o
CHECK drivers/gpu/drm/i915/dvo_ivch.c
CC [M] drivers/gpu/drm/i915/dvo_ivch.o
CHECK drivers/gpu/drm/i915/dvo_tfp410.c
CC [M] drivers/gpu/drm/i915/dvo_tfp410.o
CHECK drivers/gpu/drm/i915/dvo_sil164.c
CC [M] drivers/gpu/drm/i915/dvo_sil164.o
CHECK drivers/gpu/drm/i915/dvo_ns2501.c
CC [M] drivers/gpu/drm/i915/dvo_ns2501.o
CHECK drivers/gpu/drm/i915/i915_gem_dmabuf.c
CC [M] drivers/gpu/drm/i915/i915_gem_dmabuf.o
CHECK drivers/gpu/drm/i915/i915_ioc32.c
CC [M] drivers/gpu/drm/i915/i915_ioc32.o
CHECK drivers/gpu/drm/i915/intel_acpi.c
CC [M] drivers/gpu/drm/i915/intel_acpi.o
LD [M] drivers/gpu/drm/i915/i915.o
Building modules, stage 2.
MODPOST 1 modules
CC drivers/gpu/drm/i915/i915.mod.o
LD [M] drivers/gpu/drm/i915/i915.ko
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Reported-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use drm_dp_bw_code_to_link_rate insead. It's the same thing, but
supports DP_LINK_BW_5_4 and is also used by the other drivers.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Do an early return in case we don't have DDI instead of having the
whole function inside an "if" statement.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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And use it whenever we call code that uses the DDIs. We already have
intel_ddi.c and prefix every function with intel_ddi_something instead of
haswell_something, so I think replacing the checks with HAS_DDI makes more
sense. Just a cosmetical change, yes I know, but I have this OCD...
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This function is not called on Haswell anymore.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It's not even declared on header files.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Since we drop dev->struct_mutex when going through the slowpath, the
object might have been moved out of the cpu domain. Hence we need to
clflush the entire object to ensure that after the ioctl returns,
everything is coherent again (interwoven writes are ill-defined
anyway).
But we only need to do this if we start in the cpu domain and the
object requires flushing for coherency. So don't do the flushing if
the object is coherent anyway or if we've done in-line clfushing
already.
v2: i915_gem_clflush_object already checks whether the object is
coherent and if so, drops the flushing. Hence we don't need to check
that ourselves, simplifying the condition.
v3: Reorder the checks for better clarity (and adjust the comment
accordingly), suggested by Chris Wilson.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The shmem paths for pwrite/pread used a clever trick to hold onto a
single page when dropping the big dev->struct_mutex for the slowpath.
But this ran the risk of reinstating (or not completely purging) the
backing storage when dropping purgeable objects.
Hence the code needed to keep track of whether it ever dropped the
lock, and if it did, manually check whether it needs to re-purge the
backing storage. But thanks to the pages pin count introduced in
commit a5570178c059cec59e9835be20bc8546377fa7b5
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Sep 4 21:02:54 2012 +0100
drm/i915: Pin backing pages whilst exporting through a dmabuf vmap
which allowed us to pin the backing storage and remove that page
reference trick from shmem_pwrite/read in
commit f60d7f0c1d55a935475ab394955cafddefaa6533
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Sep 4 21:02:56 2012 +0100
drm/i915: Pin backing pages for pread
and
commit 755d22184f1e5015b040acee794542d9cf8a16c5
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Sep 4 21:02:55 2012 +0100
drm/i915: Pin backing pages for pwrite
we can now abolish this check. The slowpath cleanup completely
disappears from pread, and for pwrite we're only left with the domain
fixup in case someone moved the object out of the cpu domain from
under us. A follow-on patch will optimize that a notch more.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Only two things needed adjustment:
- pipe select for PCH_CPT
- There's no dithering bit on ilk+ in the lvds ctl reg
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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A few things needed to change:
- HAS_PCH_SPLIT since ilk+ is not yet converted to this.
- s/LVDS/intel_lvds->reg/ to prep for ilk conversion
- replace the clock.p2 == 7 check with a is_dual_link check
- s/adjusted_mode/intel_lvds->fixed_mode
v2: Rebase on top of Jani Nikula's panel rework. I'm wondering whether
we shouldn't add an attached_panel pointer to intel_encoder, to
replace the encoder private ->attached_connector pointers, since
that's essentially what we need.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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To ditch at least some of the PCH_SPLIT ? PCH_LVDS : LVDS code ...
v2: Rebase on top of Jani Nikula's panel rework.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Yeah, all users (both the clock selection special cases and the lvds
pin pair stuff) are still in common code, but this will change.
v2: Rebase on top of Jani Nikula's panel rework.
v3: Incorporate review from Paulo Zanoni:
- s/__is_dual_link_lvds/compute_is_dual_link_lvds
- kill dev_priv->lvds_val
- drop spurious whitespace change
v4: Add a debug printk to display the dual-link status, as suggested
by Paulo Zanoni in review.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> (v3)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Just a prep patch to make this a property of intel_lvds. Makes more
sense, removes clutter from intel_display.c and eventually I want to
move all the encoder special cases wrt clock handling to encoders
anyway.
v2: Add an intel_ prefixe to is_dual_link_lvds since it's non-static
now.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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... with is_dual_link_lvds introduced in
commit b03543857fd75876b96e10d4320b775e95041bb7
Author: Takashi Iwai <tiwai@suse.de>
Date: Tue Mar 20 13:07:05 2012 +0100
drm/i915: Check VBIOS value for determining LVDS dual channel mode, too
All these checks predate this commit and have simply been overlooked.
Since we don't support switching between single-link and dual-link
modes anyway, this different checks could at best only get in the way
of refactorings, and in the worst case cause inconsistencies.
v2: Update the comment, we now have a solid way to figure out whether
we need dual-link lvds or not (falling back to vbt values as a last
resort). We still don't know how to switch between dual-link and
single link so leave that part intact. I'm not sure though whether
switching between these two modes makes any sense - we always drive
the panel at its fixed mode (with a fixed bpc) anyway ...
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Currently we have two encoder specific bits in the common mode_set
functions:
- lvds pin pair enabling
- dp m/n setting and computation
Now the lvds stuff needs to happen before the pll is enabled. Since
that is done in the crtc_mode_set functions, we need to add a new
callback to be able to move them to the encoder code (where they
belong). The dp m/n stuff is a giant mess anyway (since it also
confuses itself with the fdi link m/n handling), so that needs to be
handled separately.
I think that we can move the pll enabling down quite a bit, which
might allow us to eventually merge encoder->pre_enable with this new
pre_pll_enable callback. But for now this will allow us to clean
things up a bit.
Note that vlv doesn't support lvds, hence we don't need to change
anything in there.
v2: Fixup commit message, both suggested from Paulo Zanoni.
- dp m/n doesn't need to happen before pll enabling
- lvds doesn't exist on vlv, hence no changes required in the vlv pll
function.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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As we do not have any domains occupying the high bits, there is no point
in always printing the leading 00.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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As per Chris Wilson's suggestion make
i915_gem_execbuffer_wait_for_flips() go away.
This was used to stall the GPU ring while there are pending
page flips involving the relevant BO. Ie. while the BO is still
being scanned out by the display controller.
The recommended alternative is to use the page flip events to
wait for the page flips to fully complete before reusing the BO
of the old front buffer. Or use more buffers.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Kristian Høgsberg <krh@bitplanet.net>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: don't remove obj->pending_flips, still required due to
reorder patches.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Somehow a chunk of unused register defines ended up in the middle of
the PLL defines. They go back to the original kms merging.
The only used #define is SR01, move it to the register name together
with the other legacy vga stuff.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
"Assorted tiny fixes queued in trivial tree"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (22 commits)
DocBook: update EXPORT_SYMBOL entry to point at export.h
Documentation: update top level 00-INDEX file with new additions
ARM: at91/ide: remove unsused at91-ide Kconfig entry
percpu_counter.h: comment code for better readability
x86, efi: fix comment typo in head_32.S
IB: cxgb3: delay freeing mem untill entirely done with it
net: mvneta: remove unneeded version.h include
time: x86: report_lost_ticks doesn't exist any more
pcmcia: avoid static analysis complaint about use-after-free
fs/jfs: Fix typo in comment : 'how may' -> 'how many'
of: add missing documentation for of_platform_populate()
btrfs: remove unnecessary cur_trans set before goto loop in join_transaction
sound: soc: Fix typo in sound/codecs
treewide: Fix typo in various drivers
btrfs: fix comment typos
Update ibmvscsi module name in Kconfig.
powerpc: fix typo (utilties -> utilities)
of: fix spelling mistake in comment
h8300: Fix home page URL in h8300/README
xtensa: Fix home page URL in Kconfig
...
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Conflicts:
drivers/devfreq/exynos4_bus.c
Sync with Linus' tree to be able to apply patches that are
against newer code (mvneta).
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Correct spelling typo in printk within various drivers.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Pull ARM SoC-specific updates from Arnd Bergmann:
"This is a larger set of new functionality for the existing SoC
families, including:
- vt8500 gains support for new CPU cores, notably the Cortex-A9 based
wm8850
- prima2 gains support for the "marco" SoC family, its SMP based
cousin
- tegra gains support for the new Tegra4 (Tegra114) family
- socfpga now supports a newer version of the hardware including SMP
- i.mx31 and bcm2835 are now using DT probing for their clocks
- lots of updates for sh-mobile
- OMAP updates for clocks, power management and USB
- i.mx6q and tegra now support cpuidle
- kirkwood now supports PCIe hot plugging
- tegra clock support is updated
- tegra USB PHY probing gets implemented diffently"
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (148 commits)
ARM: prima2: remove duplicate v7_invalidate_l1
ARM: shmobile: r8a7779: Correct TMU clock support again
ARM: prima2: fix __init section for cpu hotplug
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 3/3)
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 1/3)
arm: socfpga: Add SMP support for actual socfpga harware
arm: Add v7_invalidate_l1 to cache-v7.S
arm: socfpga: Add entries to enable make dtbs socfpga
arm: socfpga: Add new device tree source for actual socfpga HW
ARM: tegra: sort Kconfig selects for Tegra114
ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
ARM: tegra: Fix build error for gic update
ARM: tegra: remove empty tegra_smp_init_cpus()
ARM: shmobile: Register ARM architected timer
ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move
ARM: shmobile: r8a7779: Correct TMU clock support
ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
ARM: mxs: use apbx bus clock to drive the timers on timrotv2
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
These changes contain the OMAP USB related platform data changes
that were dropped from linux next because of the merge conflicts
as requested by me and Olof. The reason was that at this point
we really should be able to do the arch/arm related changes
separately from driver changes to avoid dependencies between
branches.
These patches were initially part of the USB related MFD patches.
Based on our comments, Roger Quadros quickly reworked these
patches into a shared branch between ARM SoC tree and the MFD
tree, then separate patches for the OMAP platform data and
MFD driver.
Note that this branch will conflict with c1d1cd597fc7
("ARM: OMAP2+: omap_device: remove obsolete pm_lats and
early_device code"). Please see http://lkml.org/lkml/2013/2/11/16
for the merge resolution.
[arnd - resolved the merge conflict]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc
From Stephen Warren:
ARM: tegra: Common Clock Framework rework
Tegra already supports the common clock framework, but had issues:
1) The clock driver was located in arch/arm/mach-tegra/ rather than
drivers/clk/.
2) A single "Tegra clock" type was implemented, rather than separate
clock types for PLL, mux, divider, ... type in HW.
3) Clock lookups by device drivers were still driven by device name
and connection ID, rather than through device tree.
This pull request solves all three issues. This required some DT changes
to add clocks properties, and driver changes to request clocks more
"correctly". Finally, this rework allows all AUXDATA to be removed from
Tegra board files, and various duplicate clock lookup entries to be
removed from the driver.
This pull request is based on the previous pull request, with tag
tegra-for-3.9-cleanup.
* tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (31 commits)
clk: tegra30: remove unused TEGRA_CLK_DUPLICATE()s
clk: tegra20: remove unused TEGRA_CLK_DUPLICATE()s
ARM: tegra30: remove auxdata
ARM: tegra20: remove auxdata
ASoC: tegra: remove auxdata
staging: nvec: remove use of clk_get_sys
ARM: tegra: paz00: add clock information to DT
ARM: tegra: add clock properties to Tegra30 DT
ARM: tegra: add clock properties to Tegra20 DT
spi: tegra: do not use clock name to get clock
ARM: tegra: remove legacy clock code
ARM: tegra: migrate to new clock code
clk: tegra: add clock support for Tegra30
clk: tegra: add clock support for Tegra20
clk: tegra: add Tegra specific clocks
ARM: tegra: define Tegra30 CAR binding
ARM: tegra: define Tegra20 CAR binding
ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h
ARM: tegra: add function to read chipid
ARM: tegra: fix compile error when disable CPU_IDLE
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/mach-tegra/board-dt-tegra20.c
arch/arm/mach-tegra/board-dt-tegra30.c
arch/arm/mach-tegra/common.c
arch/arm/mach-tegra/platsmp.c
drivers/clocksource/Makefile
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Migrate Tegra clock support to drivers/clk/tegra, this involves
moving:
1. definition of tegra_cpu_car_ops to clk.c
2. definition of reset functions to clk-peripheral.c
3. change parent of cpu clock.
4. Remove legacy clock initialization.
5. Initialize clocks using DT.
6. Remove all instance of mach/clk.h
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
[swarren: use to_clk_periph_gate().]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial patches from Greg Kroah-Hartman:
"Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while."
* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
serial: imx: fix uninitialized variable warning
serial: tegra: assume CONFIG_OF
TTY: do not update atime/mtime on read/write
lguest: select CONFIG_TTY to build properly.
ARM defconfigs: add missing inclusions of linux/platform_device.h
fb/exynos: include platform_device.h
ARM: sa1100/assabet: include platform_device.h directly
serial: imx: Fix recursive locking bug
pps: Fix build breakage from decoupling pps from tty
tty: Remove ancient hardpps()
pps: Additional cleanups in uart_handle_dcd_change
pps: Move timestamp read into PPS code proper
pps: Don't crash the machine when exiting will do
pps: Fix a use-after free bug when unregistering a source.
pps: Use pps_lookup_dev to reduce ldisc coupling
pps: Add pps_lookup_dev() function
tty: serial: uartlite: Support uartlite on big and little endian systems
tty: serial: uartlite: Fix sparse and checkpatch warnings
serial/arc-uart: Miscll DT related updates (Grant's review comments)
...
Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.
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There's no reason kgdb.h itself needs to include the 8250 serial port
header file. So push it down to the _very_ limited number of individual
drivers that need the values in that file, and fix up the places where
people really wanted serial_core.h and platform_device.h.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg Kroah-Hartman:
"Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers
all over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
Other than those patches, there's not much here, some minor fixes and
updates"
Fix up trivial conflicts
* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
base: memory: fix soft/hard_offline_page permissions
drivercore: Fix ordering between deferred_probe and exiting initcalls
backlight: fix class_find_device() arguments
TTY: mark tty_get_device call with the proper const values
driver-core: constify data for class_find_device()
firmware: Ignore abort check when no user-helper is used
firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
firmware: Make user-mode helper optional
firmware: Refactoring for splitting user-mode helper code
Driver core: treat unregistered bus_types as having no devices
watchdog: Convert to devm_ioremap_resource()
thermal: Convert to devm_ioremap_resource()
spi: Convert to devm_ioremap_resource()
power: Convert to devm_ioremap_resource()
mtd: Convert to devm_ioremap_resource()
mmc: Convert to devm_ioremap_resource()
mfd: Convert to devm_ioremap_resource()
media: Convert to devm_ioremap_resource()
iommu: Convert to devm_ioremap_resource()
drm: Convert to devm_ioremap_resource()
...
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This resolves a gpio driver merge issue pointed out in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.
devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Dave Airlie <airlied@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Dave Airlie <airlied@redhat.com>
CC: Alan Cox <alan@linux.intel.com>
CC: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Dave Airlie <airlied@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is to fix up a build problem with a wireless driver due to the
dynamic-debug patches in this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Dave Airlie <airlied@redhat.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Dave Airlie <airlied@redhat.com>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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