| Commit message (Collapse) | Author | Age | Files | Lines |
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just a bunch of regression fixes plus a few patches for long-standing
issues in gem corner-cases that we've hunted down in the past weeks. Since
apparently people hit those in the wild (and we also have nice igts for
them) I've opted for -fixes and cc: stable.
There's 1-2 things oustanding on top of this where I'm still waiting on
confirmation from testing, but nothing really scary.
* tag 'drm-intel-fixes-2013-12-11' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: don't update the dri1 breadcrumb with modesetting
drm/i915: Repeat eviction search after idling the GPU
drm/i915: Fix use-after-free in do_switch
drm/i915: fix pm init ordering
drm/i915: Hold mutex across i915_gem_release
drm/i915: Skip clock checks on BDW
drm/i915: Do not clobber config status after a forced restore of hw state
drm/i915: Take modeset locks around intel_modeset_setup_hw_state()
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The update is horribly racy since it doesn't protect at all against
concurrent closing of the master fd. And it can't really since that
requires us to grab a mutex.
Instead of jumping through hoops and offloading this to a worker
thread just block this bit of code for the modesetting driver.
Note that the race is fairly easy to hit since we call the breadcrumb
function for any interrupt. So the vblank interrupt (which usually
keeps going for a bit) is enough. But even if we'd block this and only
update the breadcrumb for user interrupts from the CS we could hit
this race with kms/gem userspace: If a non-master is waiting somewhere
(and hence has interrupts enabled) and the master closes its fd
(probably due to crashing).
v2: Add a code comment to explain why fixing this for real isn't
really worth it. Also improve the commit message a bit.
v3: Fix the spelling in the comment.
Reported-by: Eugene Shatokhin <eugene.shatokhin@rosalab.ru>
Cc: Eugene Shatokhin <eugene.shatokhin@rosalab.ru>
Cc: stable@vger.kernel.org
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Eugene Shatokhin <eugene.shatokhin@rosalab.ru>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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With the advent of hw context support, we gained some objects that are
pinned for the duration of their request. That is we can make aperture
space available by idling the GPU and in the process performing a
context switch back to the always-pinned default context. As such, we
should not conclude that there is no space in the aperture for the
current object until we have unpinned any such context objects.
Note that we also have the problem of outstanding pageflips preventing
eviction of their framebuffer objects to resolve.
Testcase: igt/gem_ctx_exec/eviction
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72507
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: lu hua <huax.lu@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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So apparently under ridiculous amounts of memory pressure we can get
into trouble in do_switch when we try to move the old hw context
backing storage object onto the active lists.
With list debugging enabled that usually results in us chasing a
poisoned pointer - which means we've hit upon a vma that has been
removed from all lrus with list_del (and then deallocated, so it's a
real use-after free).
Ian Lister has done some great callchain chasing and noticed that we
can reenter do_switch:
i915_gem_do_execbuffer()
i915_switch_context()
do_switch()
from = ring->last_context;
i915_gem_object_pin()
i915_gem_object_bind_to_gtt()
ret = drm_mm_insert_node_in_range_generic();
// If the above call fails then it will try i915_gem_evict_something()
// If that fails it will call i915_gem_evict_everything() ...
i915_gem_evict_everything()
i915_gpu_idle()
i915_switch_context(DEFAULT_CONTEXT)
Like with everything else where the shrinker or eviction code can
invalidate pointers we need to reload relevant state.
Note that there's no need to recheck whether a context switch is still
required because:
- Doing a switch to the same context is harmless (besides wasting a
bit of energy).
- This can only happen with the default context. But since that one's
pinned we'll never call down into evict_everything under normal
circumstances. Note that there's a little driver bringup fun
involved namely that we could recourse into do_switch for the
initial switch. Atm we're fine since we assign the context pointer
only after the call to do_switch at driver load or resume time. And
in the gpu reset case we skip the entire setup sequence (which might
be a bug on its own, but definitely not this one here).
Cc'ing stable since apparently ChromeOS guys are seeing this in the
wild (and not just on artificial stress tests), see the reference.
Note that in upstream code doesn't calle evict_everything directly
from evict_something, that's an extension in this product branch. But
we can still hit upon this bug (and apparently we do, see the linked
backtraces). I've noticed this while trying to construct a testcase
for this bug and utterly failed to provoke it. It looks like we need
to driver the system squarly into the lowmem wall and provoke the
shrinker to evict the context object by doing the last-ditch
evict_everything call.
Aside: There's currently no means to get a badly-fragmenting hw
context object away from a bad spot in the upstream code. We should
fix this by at least adding some code to evict_something to handle hw
contexts.
References: https://code.google.com/p/chromium/issues/detail?id=248191
Reported-by: Ian Lister <ian.lister@intel.com>
Cc: Ian Lister <ian.lister@intel.com>
Cc: stable@vger.kernel.org
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Stéphane Marchesin <marcheu@chromium.org>
Cc: Bloomfield, Jon <jon.bloomfield@intel.com>
Tested-by: Rafael Barbalho <rafael.barbalho@intel.com>
Reviewed-by: Ian Lister <ian.lister@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Shovel a bit more of the the code into the setup function, and call
it earlier. Otherwise lockdep is unhappy since we cancel the delayed
resume work before it's initialized.
While at it also shovel the pc8 setup code into the same functions.
I wanted to also ditch the header declaration of the hws pc8 functions,
but for unfathomable reasons that stuff is in intel_display.c instead
of intel_pm.c.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71980
Tested-by: Guo Jinxian <jinxianx.guo@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Inorder to serialise the closing of the file descriptor and its
subsequent release of client requests with i915_gem_free_request(), we
need to hold the struct_mutex in i915_gem_release(). Failing to do so
has the potential to trigger an OOPS, later with a use-after-free.
Testcase: igt/gem_close_race
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=70874
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71029
Reported-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We don't have clock state readout support for DDI, so skip the pipe
config clock checks on all DDI platforms.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We call intel_modeset_setup_hw_state() along two paths, driver
load/resume and after a lid event notification. During initialisation of
the driver, it is imperative that we reset the config state. This
correctly sets up the initial connector statuses and prepares the
hardware for a thorough probing. However, during a lid event, we only
want to undo the damage caused by the bios by resetting our last known
mode. In this cirumstance, we do not want to clobber our desired state.
In order to try and keep sanity between the config state and our own
tracking, do the drm_mode_config_reset() first along the load/resume
paths before reading out the hw state and apply any definite known
corrections.
v2: "As discussed on irc I don't think we should force the connector
state to anything here: Imo connector->status should reflect what we
believe to be the true output connection state, whereas connector->encoder
reflects whether this connector is wired up to a pipe. And since we no
longer reject modeset on disconnected connectors and never nuked the pipe
if the connector gets disconnected there's no reason for that - such policy
is userspace's job.
This regression has been introduced in
commit 2e9388923e83bc4e2726f170a984621f1d582e77
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Oct 11 20:08:24 2012 +0200
drm/i915/crt: explicitly set up HOTPLUG_BITS on resume"
so sayeth Daniel.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: stable@vger.kernel.org (v3.8 and later)
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Some lower level things get angry if we don't have modeset locks
during intel_modeset_setup_hw_state(). Actually the resume and
lid_notify codepaths alreday hold the locks, but the init codepath
doesn't, so fix that.
Note: This slipped through since we only disable pipes if the
plane/pipe linking doesn't match. Which is only relevant on older
gen3 mobile machines, if the BIOS fails to set up our preferred
linking.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org
Tested-and-reported-by: Paul Bolle <pebolle@tiscali.nl>
[danvet: Add note now that I could confirm my theory with the log
files Paul Bolle provided.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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into drm-fixes
As promised bdw fixes come separate for now. Just a few minior things.
* 'bdw-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915/bdw: PIPE_[BC] I[ME]R moved to powerwell
drm/i915/bdw: Limit GTT to 2GB
drm/i915/bdw: Add comment about gen8 HWS PGA
drm/i915/bdw: Free correct number of ppgtt pages
drm/i915/bdw: Do gen6 style reset for gen8
drm/i915/bdw: GEN8 backlight support
drm/i915/bdw: Add BDW to ULT macro
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The pipe B and pipe C interrupt mask and enable registers are now part
of the pipe, so disabling the pipe power wells will lost the contests of
the registers.
Art totally debugged this one!
v2: Use the irq_lock to clarify code, and prevent future bugs (Daniel)
Cc: Art Runyan <arthur.j.runyan@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Make sparse happy.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Because of the way in which we're allocating the pages for the Aliasing
PPGTT, we cannot actually successfully alloc enough space for anything
greater than 2GB.
Instead of a quick hack to fix this, we should defer until we have the
real solution in place (allocating much less contiguous space).
This wasn't found sooner because we didn't not have any systems
supporting more than a 2GB GTT.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This confused me some many times that I think it is appropriate to add a
small comment to instruct the reader of the code that it is indeed doing
what it is supposed to do.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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I am unclear how this got messed up in the shuffle, but it did.
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch existed before, but was lost over time.
Note that reset is still somewhat problematic in my limited testing (ie.
module_reload will not pass) but it can be disabled with a module
parameter, and support should be considered preliminary anyway.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Prior to Haswell the CPU control register for backlight
(BLC_PWM_CPU_CTL) toggled the PCH baclight pin for us. This made some
sense as there was no pin on the CPU. With Haswell came the introduction
of a CPU backlight pin, but the interface was still controlled by
software with the same mechnism. Behind the scenes, hardware did all the
dirty work for us.
Broadwell no longer provides this for free. If we want to use the PCH
backlight pin [1] then we have to set the override bit BLC_PWM_PCH_CTL1
and program BLC_PWM_PCH_CTL2 for the PWM values.
This patch implements that. This patch is compile tested only, and given
that I rarely if ever touch this code, careful review is welcome.
[1] According to Art, we know of no devices that exist which use the CPU
pin (and remember it has existed already on HSW). If such a device does
exist, we'll have to handle it properly - this is left as TODO until
then.
v2: Drop the abstraction prep patch, as a bigger backlight overhaul is
in the works, and do just the mimimal bdw enabling now. (by Jani)
CC: Art Runyan <arthur.j.runyan@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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For what we care about ULT and ULX are interchangeable. We know of 3
types of pciids for these cases. I am not sure if at some point we will
need to distinguish ULT and ULX.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just flushing out my pile of bugfixes, most of them for regressions/cc:
stable. Nothing really serious going on.
For outstanding issues we still have the S4 fun due to the hsw S4
duct-tape pending (seems like I need to switch into angry maintainer mode
on that one). And there's the mode merging revert to make my g33 work
again still pending for drm core. For that one I don't have any more clue
(and it looks like no one else has a good idea either). And apparently the
locking WARN fix in here also needs to be replicated for boot, still
confirming that one though.
* tag 'drm-intel-fixes-2013-12-02' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: Pin pages whilst allocating for dma-buf vmap()
drm/i915: MI_PREDICATE_RESULT_2 is HSW only
drm/i915: Make the DERRMR SRM target global GTT
drm/i915: use the correct force_wake function at the PC8 code
drm/i915: Fix pipe CSC post offset calculation
drm/i915: Simplify DP vs. eDP detection
drm/i915: Check VBT for eDP ports on VLV
drm/i915: use crtc_htotal in watermark calculations to match fastboot v2
drm/i915: Pin relocations for the duration of constructing the execbuffer
drm/i915: take mode config lock around crtc disable at suspend
drm/i915: Prefer setting PTE cache age to 3
drm/i915/ddi: set sink to power down mode on dp disable
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During the vmap() routine for the dma-buf, we first grab the pages and
then try to allocate a temporary array to pass to the vmap(). However,
the shrinker can and will reap any object that is unbound if the
allocation for the array first fails. This includes the object which we
are attempting to vmap(). The solution is to mark the object's pages as
pinned whilst we try the allocation to prevent the use-after-free
introduced by the potential shrinkage.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The MI_PREDICATE_RESULT_2 register exits only on HSW. On other
platforms the same offset is either reserved, or contains some
other register. So write the register only on HSW.
This regression has been introduced in
commit 9435373ef8870e0a84b6fec0ad89b952bf3097fa
Author: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Date: Wed Aug 28 16:45:46 2013 -0300
drm/i915: Report enabled slices on Haswell GT3
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Add regression notice.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The ring scratch pages don't have a PPGTT mapping, so the DERRM SRM
should target the global GTT instead.
v2: Add MI_SRM_LRM_GLOBAL_GTT define for -fixes
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When I submitted the first patch adding these force wake functions,
Chris Wilson observed that I was using the wrong functions, so I sent
a second version of the patch to correct this problem. The problem is
that v1 was merged instead of v2.
I was able to notice the problem when running the
debugfs-forcewake-user subtest of pm_pc8 from intel-gpu-tools.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We were miscalculating the pipe CSC post offset for the full->limited
range conversion. The resulting post offset was double what it was
supposed to be, which caused blacks to come out grey when using
limited range output on HSW+.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71769
Cc: stable@vger.kernel.org
Tested-by: Lauri Mylläri <lauri.myllari@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reduce the eDP detection to just checking if it's port A, or if
the VBT tells us that the port is eDP for the other ports.
Suggested-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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VLV can have eDP on either port B or C, or even both. Based on the
VBT spec, intel_dpd_is_edp() should work on VLV too, assuming we
check the correct ports.
So instead of hardcoding port D, rename the function to
intel_dp_is_edp() and pass the port as a parameter, and use it
on VLV ports B and C.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71051
Tested-by: Robert Hooker <robert.hooker@canonical.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Wrestle the patch to apply and compile properly.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This value is more correct, and matches what we read out in the fastboot
code. Without this, the watermark code will panic after the first mode
setting activity after a fastboot.
v2: fix up HSW ->clock usage too (Ville)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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As the execbuffer dispatch grows ever more complex and involves multiple
stages of moving objects into the aperture, we need to take greater care
that we do not evict our execbuffer objects prior to dispatch. This is
relatively simple as we can just keep the objects pinned for not just
the relocation but until we are finished.
One such example is the possibility of the context switch causing an
eviction or hitting the shrinker in order to fit its object into the
aperture.
Link: http://lists.freedesktop.org/archives/intel-gfx/2013-November/036166.html
Reported-by: "Siluvery, Arun" <arun.siluvery@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: stable@vger.kernel.org
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Tested-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Add the additional explanations from Chris to the commit
message.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is just a theoretical issue, but we need to do this to prevent the
WARN in pipe_from_connector at suspend time.
This regression has been introduce in
commit 7bd688cd66db93f6430f6e2b3145ee5686daa315
Author: Jani Nikula <jani.nikula@intel.com>
Date: Fri Nov 8 16:48:56 2013 +0200
drm/i915: handle backlight through chip specific functions
https://bugs.freedesktop.org/show_bug.cgi?id=71978
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We have conflicting benchmark data that suggest either age 0 or age 3 is
better. However, the earlier benchmark on which we based the switch to
age 0
(commit 0d8ff15e9a15f2b393e53337a107b7a1e5919b6d
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Thu Jul 4 11:02:03 2013 -0700
drm/i915/hsw: Set correct Haswell PTE encodings)
actually seems to prefer the default PTE encoding as age 3. Presumably,
this is in part due to the use of MOCS to override the PTE encodings
when appropriate.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=69870
Tested-by: mengmeng.meng@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Eric Anholt <eric@anholt.net
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Similar to
commit fdbc3b1f639bb2cbfb32c612b2699e0ba373317d
Author: Jani Nikula <jani.nikula@intel.com>
Date: Tue Nov 12 17:10:13 2013 +0200
drm/i915/dp: set sink to power down mode on dp disable
but for DDI, where we've never done this.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just a small pile of fixes for bugs and a few regressions. I'm still
trying to track down a driver load hang on my g33 (which infuriatingly
doesn't happen when loading the module manually after boot), somehow
bisecting loves to go astray on this one :( And there's a (harmless)
locking WARN in the suspend code due to one of Jesse's vlv backlight
rework patches. Otherwise nothing outstanding afaik.
* tag 'drm-intel-fixes-2013-11-20' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: Fix gen3 self-refresh watermarks
drm/i915: Replicate BIOS eDP bpp clamping hack for hsw
drm/i915: Do not enable package C8 on unsupported hardware
drm/i915: Hold pc8 lock around toggling pc8.gpu_idle
drm/i915: encoder->get_config is no longer optional
drm/i915/tv: add ->get_config callback
drm/i915: restore the early forcewake cleanup
Partially revert "drm/i915: tune the RC6 threshold for stability"
drm/i915: flush cursors harder
i915: Use 120MHz LVDS SSC clock for gen5/gen6/gen7
x86/early quirk: use gen6 stolen detection for VLV
drm/i915/dp: set sink to power down mode on dp disable
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This regression has been introduced in
commit 4fe8590a921d0b2e36e542dbfa89a8c5993f5a3f
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Sep 4 18:25:22 2013 +0300
drm/i915: Use adjusted_mode appropriately when computing watermarks
I guess we should renable the enabled local variable into something a
notch more descriptive, but that's something for -next.
The effect on my i945gme netbook is pretty severe amounts of underruns
- usually the very first pixel gets used for the entire screeen.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Haswell's DDI encoders have their own ->get_config callback and in
commit c6cd2ee2d59111a07cd9199564c9bdcb2d11e5cf
Author: Jani Nikula <jani.nikula@intel.com>
Date: Mon Oct 21 10:52:07 2013 +0300
drm/i915/dp: workaround BIOS eDP bpp clamping issue
we've forgotten to replicate this hack. So let's do it that.
Note for backporters: The above commit and all it's depencies need to
be backported first.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71049
Cc: stable@vger.kernel.org
Tested-by: Gökçen Eraslan <gokcen.eraslan@gmail.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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If the hardware does not support package C8, then do not even schedule
work to enable it. Thereby we can eliminate a bunch of dangerous work.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We need to hold the pc8 lock around toggling the value of gpu_idle.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We must have one to fill out the adjusted_mode.crtc_clock. And with
the tv encoder fixed up every encoder we have has a ->get_config
callback. So we can drop the checks.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We need this to properly fill in adjusted_mode.crtc_clock, otherwise
the state checker gets unhappy. This seems to have been forgotten in
the big clock rework in
commit 18442d08786472c63a0a80c27f92b033dffc26de
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri Sep 13 16:00:08 2013 +0300
drm/i915: Fix port_clock and adjusted_mode.clock readout all over
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Some BIOS just leak the forcewak bits, which we clean up.
Unfortunately this has been broken in
commit 521198a2e7095c8c7daa8d7d3a76a110c346be6f
Author: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Fri Aug 23 16:52:30 2013 +0300
drm/i915: sanitize forcewake registers on reset
To make this work both for resets and for BIOS takeover just add the
forcewake clearing call back to intel_uncore_early_sanitize.
We need to clear the forcewake in early sanitize so that the forcewak
dance in intel_uncore_init (to figure out whether we have mt or legacy
forcewake on ivb) works. That cleanup fits in nicely with the general
topic of early_sanitize to prepare for the very first mmio ops.
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reported-by: Jörg Otte <jrg.otte@gmail.com>
Cc: Jörg Otte <jrg.otte@gmail.com>
References: https://lkml.org/lkml/2013/11/16/40
Cc: stable@vger.kernel.org (for 3.12 only)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This reverts commit 351aa5666d02062b52329bcfe4bcf9d1f882fba9.
It breaks rc6 on at least one snb machine. Since we don't yet have a
report for ivb let's keep it there for now.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71656
Cc: Stéphane Marchesin <marcheu@chromium.org>
Cc: erik@vontaene.de
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Apparently they need the same treatment as primary planes. This fixes
modesetting failures because of stuck cursors (!) on Thomas' i830M
machine.
I've figured while at it I'll also roll it out for the ivb 3 pipe
version of this function. I didn't do this for i845/i865 since Bspec
says the update mechanism works differently, and there's some
additional rules about what can be updated in which order.
Tested-by: Thomas Richter <thor@math.tu-berlin.de>
Cc: stable@vger.kernel.org
Cc: Thomas Richter <thor@math.tu-berlin.de>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We had been using a DMI table workaround to select the right
frequency for devices, but this is fragile and must be updated
with every new platform.
Instead the default case when VBT is missing is changed to use
120MHz clock for LVDS SSC for these generations.
The docs for 2010-Core, SandyBridge, and IvyBridge all indicate
that the reference frequency for LVDS is 120MHz:
"2010 Core"
http://intellinuxgraphics.org/IHD_OS_Vol3_Part3r2.pdf
page 38
Reference Frequency: 120MHz for CRT and LVDS. 100MHz for the FDI.
"2011 SandyBridge"
http://intellinuxgraphics.org/documentation/SNB/IHD_OS_Vol3_Part3.pdf
page 33
Reference Frequency: 120MHz for CRT, HDMI, LVDS. 100MHz for the FDI.
"2012 IvyBridge"
http://intellinuxgraphics.org/documentation/IVB/IHD_OS_Vol3_Part4.pdf
page 27
Reference Frequency: 120 MHz for CRT, HDMI, LVDS, 100MHz for the FDI.
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
[olof: Fixup for recent base, switched from if/else to single call]
Signed-off-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We used to put the local sink and any downstream sinks to power down
mode at disable or dpms off using the DPCD SET_POWER register, until
this was broken by
commit e8cb455876fa8f67c6aba394d0a14b697bf04cc3
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun Jul 1 13:05:48 2012 +0200
drm/i915/dp: convert to encoder disable/enable
Fix it.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Todd Previte <tprevite@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI and power management updates from Rafael Wysocki:
- ACPI-based device hotplug fixes for issues introduced recently and a
fix for an older error code path bug in the ACPI PCI host bridge
driver
- Fix for recently broken OMAP cpufreq build from Viresh Kumar
- Fix for a recent hibernation regression related to s2disk
- Fix for a locking-related regression in the ACPI EC driver from
Puneet Kumar
- System suspend error code path fix related to runtime PM and runtime
PM documentation update from Ulf Hansson
- cpufreq's conservative governor fix from Xiaoguang Chen
- New processor IDs for intel_idle and turbostat and removal of an
obsolete Kconfig option from Len Brown
- New device IDs for the ACPI LPSS (Low-Power Subsystem) driver and
ACPI-based PCI hotplug (ACPIPHP) cleanup from Mika Westerberg
- Removal of several ACPI video DMI blacklist entries that are not
necessary any more from Aaron Lu
- Rework of the ACPI companion representation in struct device and code
cleanup related to that change from Rafael J Wysocki, Lan Tianyu and
Jarkko Nikula
- Fixes for assigning names to ACPI-enumerated I2C and SPI devices from
Jarkko Nikula
* tag 'pm+acpi-2-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (24 commits)
PCI / hotplug / ACPI: Drop unused acpiphp_debug declaration
ACPI / scan: Set flags.match_driver in acpi_bus_scan_fixed()
ACPI / PCI root: Clear driver_data before failing enumeration
ACPI / hotplug: Fix PCI host bridge hot removal
ACPI / hotplug: Fix acpi_bus_get_device() return value check
cpufreq: governor: Remove fossil comment in the cpufreq_governor_dbs()
ACPI / video: clean up DMI table for initial black screen problem
ACPI / EC: Ensure lock is acquired before accessing ec struct members
PM / Hibernate: Do not crash kernel in free_basic_memory_bitmaps()
ACPI / AC: Remove struct acpi_device pointer from struct acpi_ac
spi: Use stable dev_name for ACPI enumerated SPI slaves
i2c: Use stable dev_name for ACPI enumerated I2C slaves
ACPI: Provide acpi_dev_name accessor for struct acpi_device device name
ACPI / bind: Use (put|get)_device() on ACPI device objects too
ACPI: Eliminate the DEVICE_ACPI_HANDLE() macro
ACPI / driver core: Store an ACPI device pointer in struct acpi_dev_node
cpufreq: OMAP: Fix compilation error 'r & ret undeclared'
PM / Runtime: Fix error path for prepare
PM / Runtime: Update documentation around probe|remove|suspend
cpufreq: conservative: set requested_freq to policy max when it is over policy max
...
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Since DEVICE_ACPI_HANDLE() is now literally identical to
ACPI_HANDLE(), replace it with the latter everywhere and drop its
definition from include/acpi.h.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull drm updates from Dave Airlie:
"This is a combo of -next and some -fixes that came in in the
intervening time.
Highlights:
New drivers:
ARM Armada driver for Marvell Armada 510 SOCs
Intel:
Broadwell initial support under a default off switch,
Stereo/3D HDMI mode support
Valleyview improvements
Displayport improvements
Haswell fixes
initial mipi dsi panel support
CRC support for debugging
build with CONFIG_FB=n
Radeon:
enable DPM on a number of GPUs by default
secondary GPU powerdown support
enable HDMI audio by default
Hawaii support
Nouveau:
dynamic pm code infrastructure reworked, does nothing major yet
GK208 modesetting support
MSI fixes, on by default again
PMPEG improvements
pageflipping fixes
GMA500:
minnowboard SDVO support
VMware:
misc fixes
MSM:
prime, plane and rendernodes support
Tegra:
rearchitected to put the drm driver into the drm subsystem.
HDMI and gr2d support for tegra 114 SoC
QXL:
oops fix, and multi-head fixes
DRM core:
sysfs lifetime fixes
client capability ioctl
further cleanups to device midlayer
more vblank timestamp fixes"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (789 commits)
drm/nouveau: do not map evicted vram buffers in nouveau_bo_vma_add
drm/nvc0-/gr: shift wrapping bug in nvc0_grctx_generate_r406800
drm/nouveau/pwr: fix missing mutex unlock in a failure path
drm/nv40/therm: fix slowing down fan when pstate undefined
drm/nv11-: synchronise flips to vblank, unless async flip requested
drm/nvc0-: remove nasty fifo swmthd hack for flip completion method
drm/nv10-: we no longer need to create nvsw object on user channels
drm/nouveau: always queue flips relative to kernel channel activity
drm/nouveau: there is no need to reserve/fence the new fb when flipping
drm/nouveau: when bailing out of a pushbuf ioctl, do not remove previous fence
drm/nouveau: allow nouveau_fence_ref() to be a noop
drm/nvc8/mc: msi rearm is via the nvc0 method
drm/ttm: Fix vma page_prot bit manipulation
drm/vmwgfx: Fix a couple of compile / sparse warnings and errors
drm/vmwgfx: Resource evict fixes
drm/edid: compare actual vrefresh for all modes for quirks
drm: shmob_drm: Convert to clk_prepare/unprepare
drm/nouveau: fix 32-bit build
drm/i915/opregion: fix build error on CONFIG_ACPI=n
Revert "drm/radeon/audio: don't set speaker allocation on DCE4+"
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git://people.freedesktop.org/~danvet/drm-intel into drm-next
Just one patch to fix compile fail for CONFIG_ACPI=n. Figured I better
send this out quickly to minimize the broken build span. Otherwise no
bugfixes (besides some bdw stuff) anywhere in sight.
* tag 'drm-intel-fixes-2013-11-12' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915/opregion: fix build error on CONFIG_ACPI=n
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Fix CONFIG_ACPI=n build fail
CC drivers/gpu/drm/i915/intel_opregion.o
drivers/gpu/drm/i915/intel_opregion.c: In function ‘intel_opregion_setup’:
drivers/gpu/drm/i915/intel_opregion.c:879:2: error: ‘asle_work’ undeclared (first use in this function)
drivers/gpu/drm/i915/intel_opregion.c:879:2: note: each undeclared identifier is reported only once for each function it appears in
make[4]: *** [drivers/gpu/drm/i915/intel_opregion.o] Error 1
introduced in
commit 91a60f20712179e56b7a6c3d332a5f6f9a54aa11
Author: Jani Nikula <jani.nikula@intel.com>
Date: Thu Oct 31 18:55:48 2013 +0200
drm/i915: move opregion asle request handling to a work queue
Reported-by: Jim Davis <jim.epost@gmail.com>
Reference: http://lkml.kernel.org/r/CA+r1ZhjcFpr5KKVX0pLCOP8cAyZoiYO=UyqYMJtNSV-Kt_p7xQ@mail.gmail.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://people.freedesktop.org/~danvet/drm-intel into drm-next
So here's the Broadwell pull request. From a kernel driver pov there's
two areas with big changes in Broadwell:
- Completely new enumerated interrupt bits. On the plus side it now looks
fairly unform and sane.
- Completely new pagetable layout.
To ensure minimal impact on existing platforms we've refactored both the
irq and low-level gtt handling code a lot in anticipation of the bdw push.
So now bdw enabling in these areas just plugs in a bunch of vfuncs.
Otherwise it's all fairly harmless adjusting of switch cases and
if-ladders to shovel bdw into the right blocks. So minimized impact on
existing platforms. I've also merged the bdw-stage1 branch into our
-nightly integration branch for the past week to make sure we don't break
anything.
Note that there's still quite a flurry or patches floating around, but
I've figured I'll push this out. I plan to keep the bdw fixes separate
from my usual -fixes stream so that you can reject them easily in case it
still looks like too much churn. Also, bdw is for now hidden behind the
preliminary hw enabling module option. So there's no real pressure to get
follow-up patches all into 3.13.
* tag 'bdw-stage1-2013-11-08-v2' of git://people.freedesktop.org/~danvet/drm-intel: (75 commits)
drm/i915: Mask the vblank interrupt on bdw by default
drm/i915: Wire up cpu fifo underrun reporting support for bdw
drm/i915: Optimize gen8_enable|disable_vblank functions
drm/i915: Wire up pipe CRC support for bdw
drm/i915: Wire up PCH interrupts for bdw
drm/i915: Wire up port A aux channel
drm/i915: Fix up the bdw pipe interrupt enable lists
drm/i915: Optimize pipe irq handling on bdw
drm/i915/bdw: Take render error interrupt out of the mask
drm/i915/bdw: Add BDW PCH check first
drm/i915: Use hsw_crt_get_config on BDW
drm/i915/bdw: Change dp aux timeout to 600us on DDIA
drm/i915/bdw: Enable trickle feed on Broadwell
drm/i915/bdw: WaSingleSubspanDispatchOnAALinesAndPoints
drm/i915/bdw: conservative SBE VUE cache mode
drm/i915/bdw: Limit SDE poly depth FIFO to 2
drm/i915/bdw: Sampler power bypass disable
ddrm/i915/bdw: Disable centroid pixel perf optimization
drm/i915/bdw: BWGTLB clock gate disable
drm/i915/bdw: Implement edp PSR workarounds
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Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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HW engineers have listened and given us again a real interrupt with
masking and status regs. Yay!
For consistency with other platforms call the #define FIFO_UNDERRUN.
Eventually we also might need to have some enable/disable functions
for bdw display interrupts, but for now open-coding seems to be good
enough.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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