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We may eventually end up with per-connector backlights, especially with
ddcci devices. Make sure that the parent node for the backlight device is
the connector rather than the PCI device.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Airlie <airlied@linux.ie>
Cc: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Sedat Dilek <sedat.dilek@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There may be multiple ways of controlling the backlight on a given
machine. Allow drivers to expose the type of interface they are
providing, making it possible for userspace to make appropriate policy
decisions.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Airlie <airlied@linux.ie>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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
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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
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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>
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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>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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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>
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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>
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* '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
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The per-vm mutex doesn't prevent this completely, a flush coming from the
BAR VM could potentially happen at the same time as one for the channel
VM. Not to mention that if/when we get per-client/channel VM, this will
happen far more frequently.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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TTM assumes an error condition from man->func->get_node() means that
something went horribly wrong, and causes it to bail.
The driver is supposed to return 0, and leave mm_node == NULL to
signal that it couldn't allocate any memory.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The nv30/nv40 3d driver is about to start using DMA_FENCE from the 3D
object which, it turns out, doesn't like its DMA object to not be
aligned to a 4KiB boundary.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Somehow fixes a misrendering + hang at GDM startup on my NVA8...
My first guess would have been stale TLB entries laying around that a new
bo then accidentally inherits. That doesn't make a great deal of sense
however, as when we mapped the pages for the new bo the TLBs would've
gotten flushed anyway.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The immediate benefit of doing this is that on NV50 and up, the GPU
virtual address of any buffer is now constant, regardless of what
memtype they're placed in.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This structure will also be used for GART in the near future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This adds a table of known nvc0 memtypes, and modifies the validity check
to allow any non-compressed type. Support for Z compression will come at
a later point.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Upcoming patches are going to enable full support for buffers that keep
a constant GPU virtual address whenever they're validated for use by
the GPU.
In order for this to work properly while keeping support for large pages,
we need to know if it's ever going to be possible for a buffer to end
up in GART, and if so, disable large pages for the buffer's VMA.
This is a new restriction that's not present in earlier kernel's, but
should not break userspace as the current code never attempts to validate
buffers into a memtype other than it was created with.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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'mappable' isn't really used at all, nor is it necessary anymore as the
bo code is capable of moving buffers to mappable vram as required.
'no_vm' isn't necessary anymore either, any places that don't want to be
mapped into a GPU address space should allocate the VRAM directly instead.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Assign correct event when initializing nouveau_page_flip_state.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The code was supposed to print registers around 0x405018 (which is read
earlier), not 0x405818.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The hw doesn't really appear to be designed to be used the way we have to
use it due to DRI2's design. This leads us to having to keep the flipped
fb support active at all times.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Also imports a couple of helper functions that'll be used to implement
page flipping in the following commits..
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Just a cleanup, to avoid duplicating parts of nv50_crtc.c's code in
the page flipping routines.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This should prevent a number of races from occuring, the most obvious of
which will be exposed when we start making use of the "display sync" evo
channel for page flipping. The DS channel will reject any command stream
that doesn't completely agree with the current "master" state.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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We need to be able to have the bh run while possibly spinning waiting for
the EVO notifier to signal. This apparently happens in some circumstances
with preempt disabled, so our workqueue was never being run.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The nv50 display isr bh needs to be converted to a tasklet, which means
we can't sleep anymore. The places we execute vbios init tables are
rare, and not in any way performance critical, so this isn't a huge
problem.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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More appropriate, and we're about to be using more than just the master
EVO channel.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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With cmwq, there's no reason for nouveau to use a dedicated workqueue.
Drop dev_priv->wq and use system_wq instead. Each work item is sync
flushed when the containing structure is unregistered/destroyed.
Note that this change also makes sure that nv50_gpio_handler is not
freed while the contained work item is still running.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This gives a small, but noticeable performance gain at lower performance
levels, and unchanged at the higher ones.
With this commit, we're now using the same timeslice size as the NVIDIA
binary driver currently does, and dropping an unknown bit that NVIDIA
no longer appear to set.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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We may well be making more use of semaphores in the future, having the
entire VM available makes requiring DMA objects for each and every
semaphore block unnecessary.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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