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An object can only have an active gtt mapping if it is currently bound
into the global gtt. Therefore we can simply walk the list of all bound
objects and check the flag upon those for an active gtt mapping.
From commit 48018a57a8f5900e7e53ffaa0adeb784095accfb
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Fri Dec 13 15:22:31 2013 -0200
drm/i915: release the GTT mmaps when going into D3
Also note that the WARN is inappropriate for this function as GPU
activity is orthogonal to GTT mmap status. Rather it is the caller that
relies upon this condition and so it should assert that the GPU is idle
itself.
References: https://bugs.freedesktop.org/show_bug.cgi?id=80081
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: cherry-pick from -next to -fixes.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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x86_64 boots and displays fine, but booting x86_32 with CONFIG_HIGHMEM
has frozen with a blank screen throughout 3.16-rc on this ThinkPad T420s,
with i915 generation 6 graphics.
Fix 9d0a6fa6c5e6 ("drm/i915: add render state initialization"): kunmap()
takes struct page * argument, not virtual address. Which the compiler
kindly points out, if you use the appropriate u32 *batch, instead of
silencing it with a void *.
Why did bisection lead decisively to nearby 229b0489aa75 ("drm/i915:
add null render states for gen6, gen7 and gen8")? Because the u32
deposited at that virtual address by the previous stub failed the
PageHighMem test, and so did no harm.
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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commit 4be173813e57c7298103a83155c2391b5b167b4c
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Jun 6 10:22:29 2014 +0100
drm/i915: Reorder semaphore deadlock check
did the majority of the work, but it missed one crucial detail:
The check for the unkickable deadlock on this ring must come after the
check whether the ring that we are waiting on has already passed its
target seqno.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80709
Tested-by: Stefan Huber <shuber@sthu.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This reverts commit 38aecea0ccbb909d635619cba22f1891e589b434.
This breaks Haswell Thinkpad + Lenovo dock in SST mode with a HDMI monitor attached.
Before this we can 1920x1200 mode, after this we only ever get 1024x768, and
a lot of deferring.
This didn't revert clean, but this should be fine.
bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1117008
Cc: stable@vger.kernel.org # v3.15
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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commit 98ec77397a5c68ce753dc283aaa6f4742328bcdd
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Apr 30 17:43:01 2014 +0300
drm/i915: Make primary_enabled match the actual hardware state
introduced more accurate tracking of the primary plane and some
checks. It missed the plane->pipe reassignement code for gen2/3
though, which the checks caught and resulted in WARNING backtraces.
Since we only use this path if the plane is on and on the wrong pipe
we can just always set the tracking bit to "enabled".
Reported-and-tested-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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commit c675949ec58ca50d5a3ae3c757892f1560f6e896
drm/i915: do not setup backlight if not available according to VBT
caused a regression on the HP Chromebook 14 (with Celeron 2955U CPU),
which has a misconfigured VBT. Apply quirk to ignore the VBT backlight
presence check during backlight setup.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Tested-by: Stefan Nagy <public@stefan-nagy.at>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This reverts commit 773875bfb6737982903c42d1ee88cf60af80089c.
It is very much needed and the lack of dithering has been reported by
a large list of people with various gen2/3 hardware.
Also, the original patch was complete non-sense since the WARNING
backtraces in the references bugzilla are about
gmch_pfit.lvds_border_bits mismatch, not at all about the dither bit.
That one seems to work.
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Hans de Bruin <jmdebruin@xmsnet.nl>
Cc: stable@vger.kernel.org
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pull drm fixes from Dave Airlie:
"Nothing too scary, we have one outstanding i915 regression but Daniel
has promised the fix as soon as he's finished testing it a bit.
Fixes for the main x86 drivers:
- radeon: dpm fixes, displayport regression fix
- i915: quirks for backlight regression, edp reboot fix, valleyview
black screen fixes
- nouveau: display port regression fixes, fix for memory reclocking"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/dpm: Reenabling SS on Cayman
drm/radeon: fix typo in ci_stop_dpm()
drm/radeon: fix typo in golden register setup on evergreen
drm/radeon: only print meaningful VM faults
drm/radeon/dp: return -EIO for flags not zero case
drm/i915/vlv: T12 eDP panel timing enforcement during reboot
drm/i915: Only unbind vgacon, not other console drivers
drm/i915: Don't clobber the GTT when it's within stolen memory
drm/i915/vlv: Update the DSI ULPS entry/exit sequence
drm/i915/vlv: DPI FIFO empty check is not needed
drm/i915: Toshiba CB35 has a controllable backlight
drm/i915: Acer C720 and C720P have controllable backlights
drm/i915: quirk asserts controllable backlight presence, overriding VBT
drm/nouveau/ram: fix test for gpio presence
drm/nouveau/dp: workaround broken display
drm/nouveau/dp: fix required link bandwidth calculations
drm/nouveau/kms: restore fbcon after display has been resumed
drm/nv50-/kms: pass a non-zero value for head to sor dpms methods
drm/nouveau/fb: Prevent inlining of ramfuc_reg
drm/gk104/ram: bash mpll bit 31 on
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The panel power sequencer on vlv doesn't appear to accept changes to its
T12 power down duration during warm reboots. This change forces a delay
for warm reboots to the T12 panel timing as defined in the VBT table for
the connected panel.
Ver2: removed redundant pr_crit(), commented magic value for pp_div_reg
Ver3: moved SYS_RESTART check earlier, new name for pp_div.
Ver4: Minor issue changes
Ver5: Move registration of reboot notifier to edp_connector_init,
Added warning comment to handler about lack of PM notification.
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The console subsystem only provides a function to switch to a given
console, but we want to actually only switach away from vgacon.
Unconditionally switching to the dummy console resulted in switching
away from fbcon in multi-gpu setups when other gpu drivers are loaded
before i915.
Then either the reinitialization of fbcon when i915 registers its
fbdev emulation or the teardown of the fbcon driver killed the
machine. So only switch to the dummy console when it's required.
Kudos to Chris for the original idea, I've only refined it a bit to
still unregister vgacon even when it's currently unused.
This regression has been introduced in
commit a4de05268e674e8ed31df6348269e22d6c6a1803
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jun 5 16:20:46 2014 +0200
drm/i915: Kick out vga console
Reported-and-tested-by: Ed Tomlinson <edt@aei.ca>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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On most gen2-4 platforms the GTT can be (or maybe always is?)
inside the stolen memory region. If that's the case, reduce the
size of the stolen memory appropriately to make make sure we
don't clobber the GTT.
v2: Deal with gen4 36 bit physical address
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80151
Acked-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 should keep DEVICE_READY bit set in the ULPS enter sequence. In
exit sequence also we should set DEVICE_READY, but thats causing
blankout for me. Also exit sequence is simplified as per hw team
recommendation.
This should fix -
[drm:intel_dsi_clear_device_ready] *ERROR* DSI LP not going Low
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80818
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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While sending DPI SHUTDOWN command, we cannot wait for FIFO empty as
pipes are not disabled at that time. In case of MIPI we disable port
first and send SHUTDOWN command while pipe is still running and FIFOs
will not be empty, causing spurious error log
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The Toshiba CB35 Chromebook (with Celeron 2955U CPU) has a controllable
backlight although its VBT reports otherwise. Apply quirk to ignore the
backlight presence check during backlight setup.
Patch tested by author on Toshiba CB35.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
CC: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The Acer C720 and C720P Chromebooks (with Celeron 2955U CPU) have a
controllable backlight although their VBT reports otherwise. Apply quirk
to ignore the backlight presence check during backlight setup.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Tested-by: James Duley <jagduley@gmail.com>
Tested-by: Michael Mullin <masmullin@gmail.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
CC: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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commit c675949ec58ca50d5a3ae3c757892f1560f6e896
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Apr 9 11:31:37 2014 +0300
drm/i915: do not setup backlight if not available according to VBT
caused a regression on machines with a misconfigured VBT. Add a quirk to
assert the presence of a controllable backlight. Use it to ignore the VBT
backlight presence check during backlight setup.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Tested-by: James Duley <jagduley@gmail.com>
Tested-by: Michael Mullin <masmullin@gmail.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Some Thinkpad laptops' firmware will initiate a backlight level change
request through operation region on the events of AC plug/unplug, but
since we are not using firmware's interface to do the backlight setting
on these affected laptops, we do not want the firmware to use some
arbitrary value from its ASL variable to set the backlight level on
AC plug/unplug either.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=76491
Link: https://bugzilla.kernel.org/show_bug.cgi?id=77091
Reported-and-tested-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Reported-and-tested-by: Anton Gubarkov <anton.gubarkov@gmail.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://anongit.freedesktop.org/drm-intel
Fixes for 3.16-rc3; most importantly Jesse brings back VGA he took away
on a bunch of machines. Also a vblank fix for BDW and a power workaround
fix for VLV.
* tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains a few fixes for HD-audio: yet another Dell headset pin
quirk, a fixup for Thinkpad T540P, and an improved fix for
Haswell/Broadwell HDMI clock setup"
* tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
drm/i915: provide interface for audio driver to query cdclk
ALSA: hda - Add a fixup for Thinkpad T540p
ALSA: hda - Add another headset pin quirk for some Dell machines
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For Haswell and Broadwell, if the display power well has been disabled,
the display audio controller divider values EM4 M VALUE and EM5 N VALUE
will have been lost. The CDCLK frequency is required for reprogramming them
to generate 24MHz HD-A link BCLK. So provide a private interface for the
audio driver to query CDCLK.
This is a stopgap solution until a more generic interface between audio
and display drivers has been implemented.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Drop WA to fix Voltage not getting dropped to Vmin when Gfx is power
gated for latest VLV revision.
Workaround fixed in Latest VLV revision. Forcing Gfx clk up not needed,
and Requesting the min freq should bring bring the voltage Vnn.
v2: Drop WA for Latest VLV revision (Ville)
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[Jani: modified code comment, reformatted the commit message a bit.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Apparently we can't trust this field on other platforms and need to find
some other way.
This fixes a regression introduced in
commit 27da3bdfcf7f5233cdfe4563f53edf1ecab7cea0
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Fri Apr 4 16:12:07 2014 -0700
drm/i915: use VBT to determine whether to enumerate the VGA port
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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BDW signals the flip done interrupt immediately after the DSPSURF write
when the plane is disabled. This is true even if we've already armed
DSPCNTR to enable the plane at the next vblank. This causes major
problems for our page flip code which relies on the flip done interrupts
happening at vblank time.
So what happens is that we enable the plane, and immediately allow
userspace to submit a page flip. If the plane is still in the process
of being enabled when the page flip is issued, the flip done gets
signalled immediately. Our DSPSURFLIVE check catches this to prevent
premature flip completion, but it also means that we don't get a flip
done interrupt when the plane actually gets enabled, and so the page
flip is never completed.
Work around this by re-introducing blocking vblank waits on BDW
whenever we enable the primary plane.
I removed some of the vblank waits here:
commit 6304cd91e7f05f8802ea6f91287cac09741d9c46
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri Apr 25 13:30:12 2014 +0300
drm/i915: Drop the excessive vblank waits from modeset codepaths
To avoid these blocking vblank waits we should start using the vblank
interrupt instead of the flip done interrupt to complete page flips.
But that's material for another patch.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79354
Tested-by: Guo Jinxian <jinxianx.guo@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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For MIPI, DSI PLL is configured separately in vlv_configure_dsi_pll
during the DSI enable sequence
Causing WARN dump otherwise in dpio_reads
v2: Add IS_CHERRYVIEW check as suggested by Ville
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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objects in debugfs
Fixes an issue whereby we may race with the table updates (before the
core takes the struct_mutex) and so risk dereferencing a stale pointer in
the iterator for /debugfs/.../i915_gem_objects. For example,
[ 1524.757545] BUG: unable to handle kernel paging request at f53af748
[ 1524.757572] IP: [<c1406982>] per_file_stats+0x12/0x100
[ 1524.757599] *pdpt = 0000000001b13001 *pde = 00000000379fb067 *pte = 80000000353af060
[ 1524.757621] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 1524.757637] Modules linked in: ctr ccm arc4 ath9k ath9k_common ath9k_hw ath snd_hda_codec_conexant mac80211 snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec bnep snd_hwdep rfcomm snd_pcm gpio_ich dell_wmi sparse_keymap snd_seq_midi hid_multitouch uvcvideo snd_seq_midi_event dell_laptop snd_rawmidi dcdbas snd_seq videobuf2_vmalloc videobuf2_memops videobuf2_core usbhid videodev snd_seq_device coretemp snd_timer hid joydev kvm_intel cfg80211 ath3k kvm btusb bluetooth serio_raw snd microcode soundcore lpc_ich wmi mac_hid parport_pc ppdev lp parport psmouse ahci libahci
[ 1524.757825] CPU: 3 PID: 1911 Comm: intel-gpu-overl Tainted: G W OE 3.15.0-rc3+ #96
[ 1524.757840] Hardware name: Dell Inc. Inspiron 1090/Inspiron 1090, BIOS A06 08/23/2011
[ 1524.757855] task: f52f36c0 ti: f4cbc000 task.ti: f4cbc000
[ 1524.757869] EIP: 0060:[<c1406982>] EFLAGS: 00210202 CPU: 3
[ 1524.757884] EIP is at per_file_stats+0x12/0x100
[ 1524.757896] EAX: 0000002d EBX: 00000000 ECX: f4cbdefc EDX: f53af700
[ 1524.757909] ESI: c1406970 EDI: f53af700 EBP: f4cbde6c ESP: f4cbde5c
[ 1524.757922] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 1524.757934] CR0: 80050033 CR2: f53af748 CR3: 356af000 CR4: 000007f0
[ 1524.757945] Stack:
[ 1524.757957] f4cbdefc 00000000 c1406970 f53af700 f4cbdea8 c12e5f15 f4cbdefc c1406970
[ 1524.757993] 0000ffff f4cbde90 0000002d f5dc5cd0 e4e80438 c1181d59 f4cbded8 f4d89900
[ 1524.758027] f5631b40 e5131074 c1903f37 f4cbdf28 c14068e6 f52648a0 c1927748 c1903f37
[ 1524.758062] Call Trace:
[ 1524.758084] [<c1406970>] ? i915_gem_object_info+0x510/0x510
[ 1524.758106] [<c12e5f15>] idr_for_each+0xa5/0x100
[ 1524.758126] [<c1406970>] ? i915_gem_object_info+0x510/0x510
[ 1524.758148] [<c1181d59>] ? seq_vprintf+0x29/0x50
[ 1524.758168] [<c14068e6>] i915_gem_object_info+0x486/0x510
[ 1524.758189] [<c11823a6>] seq_read+0xd6/0x380
[ 1524.758208] [<c116d11d>] ? final_putname+0x1d/0x40
[ 1524.758227] [<c11822d0>] ? seq_hlist_next_percpu+0x90/0x90
[ 1524.758246] [<c1163e52>] vfs_read+0x82/0x150
[ 1524.758265] [<c11645d6>] SyS_read+0x46/0x90
[ 1524.758285] [<c16b8d8c>] sysenter_do_call+0x12/0x22
[ 1524.758298] Code: f5 8f 2a 00 83 c4 6c 31 c0 5b 5e 5f 5d c3 8d 74 26 00 8d bc 27 00 00 00 00 55 89 e5 57 56 53 83 ec 04 3e 8d 74 26 00 83 41 04 01 <8b> 42 48 01 41 08 8b 42 4c 89 d7 85 c0 75 07 8b 42 60 85 c0 74
[ 1524.758461] EIP: [<c1406982>] per_file_stats+0x12/0x100 SS:ESP 0068:f4cbde5c
[ 1524.758485] CR2: 00000000f53af748
Reported-by: Sam Jansen <sam.jansen@starleaf.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sam Jansen <sam.jansen@starleaf.com>
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Fallout from
commit 46470fc932ac8a0e8317a220b3f4ea4ed903338e
Author: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Wed May 21 19:01:06 2014 +0300
drm/i915: Add null state batch to active list
undid the earlier fix of only marking the ctx as initialised after it is
saved by the hardware during a SET_CONTEXT operation:
commit ad1d219974a3d13412268525309c5892f6779ae9
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Sat Dec 28 13:31:49 2013 -0800
drm/i915: set ctx->initialized only after RCS
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
[Jani: add reference to the earlier fix in the commit messsage.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Apparently there are Apple laptops with magic smoke for a VBIOS, which
we fail to find and use. Default to having and setting up backlight in
this case.
This fixes a regression introduced by
commit c675949ec58ca50d5a3ae3c757892f1560f6e896
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Apr 9 11:31:37 2014 +0300
drm/i915: do not setup backlight if not available according to VBT
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=77831
Reported-and-tested-by: Matteo Cypriani <mcy@lm7.fr>
Cc: stable@vger.kernel.org # 3.15+
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Jesse noticed that the punit communication needed to query the VLV power
well status can cause substantial delays. Since we can query the state
frequently, for example during I2C transfers, maintain a cached version
of the HW state to get rid of this delay.
This fixes at least one reported regression where boot time increased by
~4 seconds due to frequent power well state queries on VLV during eDP
EDID read.
This regression has been introduced in
commit bb4932c4f17b68f34645ffbcf845e4c29d17290b
Author: Imre Deak <imre.deak@intel.com>
Date: Mon Apr 14 20:24:33 2014 +0300
drm/i915: vlv: check port power domain instead of only D0 for eDP VDD on
Reported-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The significant part here is a few security fixes for ALSA core
control API by Lars. Besides that, there are a few fixes for ASoC
sigmadsp (again by Lars) for building properly, and small fixes for
ASoC rsnd, MMP, PXA and FSL, in addition to a fix for bogus WARNING in
i915/HD-audio binding"
* tag 'sound-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: control: Make sure that id->index does not overflow
ALSA: control: Handle numid overflow
ALSA: control: Don't access controls outside of protected regions
ALSA: control: Fix replacing user controls
ALSA: control: Protect user controls against concurrent access
drm/i915, HD-audio: Don't continue probing when nomodeset is given
ASoC: fsl: Fix build problem
ASoC: rsnd: fixup index of src/dst mod when capture
ASoC: fsl_spdif: Fix integer overflow when calculating divisors
ASoC: fsl_spdif: Fix incorrect usage of regmap_read()
ASoC: dapm: Make sure register value is in sync with DAPM kcontrol state
ASoC: sigmadsp: Split regmap and I2C support into separate modules
ASoC: MMP audio needs sram support
ASoC: pxa: add I2C dependencies as needed
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git://anongit.freedesktop.org/drm-intel into drm-next
First round of fixes for 3.16-rc, mostly cc: stable, and the vt/vgacon
fixes from Daniel [1] to avoid hangs and unclaimed register errors on
module load/reload.
* tag 'drm-intel-fixes-2014-06-17' of git://anongit.freedesktop.org/drm-intel:
drm/i915/bdw: remove erroneous chv specific workarounds from bdw code
drm/i915: fix possible refcount leak when resetting forcewake
drm/i915: Reorder semaphore deadlock check
drm/i95: Initialize active ring->pid to -1
drm/i915: set backlight duty cycle after backlight enable for gen4
drm/i915: Avoid div-by-zero when pixel_multiplier is zero
drm/i915: Disable FBC by default also on Haswell and later
drm/i915: Kick out vga console
drm/i915: Fixup global gtt cleanup
vt: Don't ignore unbind errors in vt_unbind
vt: Fix up unregistration of vt drivers
vt: Fix replacement console check when unbinding
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When a machine is booted with nomodeset option, i915 driver skips the
whole initialization. Meanwhile, HD-audio tries to bind wth i915 just
by request_symbol() without knowing that the initialization was
skipped, and eventually it hits WARN_ON() in i915_request_power_well()
and i915_release_power_well() wrongly but still continues probing,
even though it doesn't work at all.
In this patch, both functions are changed to return an error in case
of uninitialized state instead of WARN_ON(), so that HD-audio driver
can give up HDMI controller initialization at the right time.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org> [3.15]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Correct a merge mishap in
commit e4443e459ccf43f2c139358400365fd6a839d40d
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Apr 9 13:28:41 2014 +0300
drm/i915/chv: Add a bunch of pre production workarounds
Remove the the chv specific workarounds from bdw code, specifically
gen8_enable_rps().
Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[Jani: extract hunk #1 for 3.16 from Tom's patch, clarify commit message]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
All, I intend to push this to drm-intel-fixes, any objections?
Jani.
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Pull drm updates from Dave Airlie:
"This is the main drm merge window pull request, changes all over the
place, mostly normal levels of churn.
Highlights:
Core drm:
More cleanups, fix race on connector/encoder naming, docs updates,
object locking rework in prep for atomic modeset
i915:
mipi DSI support, valleyview power fixes, cursor size fixes,
execlist refactoring, vblank improvements, userptr support, OOM
handling improvements
radeon:
GPUVM tuning and large page size support, gart fixes, deep color
HDMI support, HDMI audio cleanups
nouveau:
- displayport rework should fix lots of issues
- initial gk20a support
- gk110b support
- gk208 fixes
exynos:
probe order fixes, HDMI changes, IPP consolidation
msm:
debugfs updates, misc fixes
ast:
ast2400 support, sync with UMS driver
tegra:
cleanups, hdmi + hw cursor for Tegra 124.
panel:
fixes existing panels add some new ones.
ipuv3:
moved from staging to drivers/gpu"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 commits)
drm/nouveau/disp/dp: fix tmds passthrough on dp connector
drm/nouveau/dp: probe dpcd to determine connectedness
drm/nv50-: trigger update after all connectors disabled
drm/nv50-: prepare for attaching a SOR to multiple heads
drm/gf119-/disp: fix debug output on update failure
drm/nouveau/disp/dp: make use of postcursor when its available
drm/g94-/disp/dp: take max pullup value across all lanes
drm/nouveau/bios/dp: parse lane postcursor data
drm/nouveau/dp: fix support for dpms
drm/nouveau: register a drm_dp_aux channel for each dp connector
drm/g94-/disp: add method to power-off dp lanes
drm/nouveau/disp/dp: maintain link in response to hpd signal
drm/g94-/disp: bash and wait for something after changing lane power regs
drm/nouveau/disp/dp: split link config/power into two steps
drm/nv50/disp: train PIOR-attached DP from second supervisor
drm/nouveau/disp/dp: make use of existing output data for link training
drm/gf119/disp: start removing direct vbios parsing from supervisor
drm/nv50/disp: start removing direct vbios parsing from supervisor
drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal
drm/nouveau/disp/dp: create subclass for dp outputs
...
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drm-intel-fixes
vt/vgacon fixes to avoid hangs, unclaimed register errors on module
load, reload:
vt: Fix replacement console check when unbinding
vt: Fix up unregistration of vt drivers
vt: Don't ignore unbind errors in vt_unbind
drm/i915: Fixup global gtt cleanup
drm/i915: Kick out vga console
Link: http://lkml.kernel.org/r/1401980308-5116-1-git-send-email-daniel.vetter@ffwll.ch
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If the timer putting the last forcewake refcount was pending and we
canceled it, we'll leak the corresponding forcewake and RPM references.
v2:
- do the ptr casting at the caller instead of adding a separate helper
for this (Chris)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If a semaphore is waiting on another ring, which in turn happens to be
waiting on the first ring, but that second semaphore has been signalled,
we will be able to kick the second ring and so can treat the first ring
as a valid WAIT and not as HUNG.
v2: Be paranoid and cap the potential recursion depth whilst visiting
the semaphore signallers. (Mika)
References: https://bugs.freedesktop.org/show_bug.cgi?id=54226
References: https://bugs.freedesktop.org/show_bug.cgi?id=75502
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Otherwise we print out spurious processes on unused rings in the error
state.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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For reasons I can't claim to fully understand gen4 seems to require
backlight duty cycle setting after the backlight has been enabled, or
else black screen follows. I don't have documentation for the correct
sequence on gen4 either. Confirmed on Dell Latitude D630 and MacBook4,1.
This fixes a regression introduced by
commit b35684b8fa94e04f55fd38bf672b737741d2f9e2
Author: Jani Nikula <jani.nikula@intel.com>
Date: Thu Nov 14 12:13:41 2013 +0200
drm/i915: do full backlight setup at enable time
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=75791
Reported-and-tested-by: mcy@lm7.fr
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79423
Reported-and-tested-by: Marc Milgram <mmilgram@redhat.com>
Cc: Stable <stable@vger.kernel.org> # 3.14+
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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On certain platforms pixel_multiplier is read out in
.get_pipe_config(), but it also gets used to calculate the
pixel clock in intel_sdvo_get_config(). If the pipe is disable
but some SDVO outputs are active, we may end up dividing by zero
in intel_sdvo_get_config().
To avoid the problem simply check for zero pixel_multiplier and skip
the division. Another attempt at fixing this involved populating
pixel_multiplier to 1 even for disabled pipes, but that triggered a
WARN because SDVO_CMD_GET_CLOCK_RATE_MULT command failed and thus
encoder_pixel_multiplier was left at zero and didn't match
pipe_config->pixel_multiplier.
The "divide by pixel_multiplier" operation got introduced here:
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
and it has caused a regression on certain machines since they would
hit the div-by-zero during resume.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76520
Cc: <stable@vger.kernel.org> # 3.13+
Tested-by: Tim Richardson <tim@tim-richardson.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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It causes black screen on bootup and is approximately 100x slower than
running with FBC disabled, so the GPU runs at a high frequency for much
longer - completely contrary to the power saving claims. It also still
has mutex deadlocks in multi-head scenarios, which can lead to a
system/X lockup. These bugs were known before FBC was enabled by default
on Haswell and still have not been fixed.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79716
Reported-and-tested-by: Jon Kristensen <info@jonkri.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
[Jani: update subject to reflect the actual change]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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I cannot see a need to provide a DRM_ version of ARRAY_SIZE(), only used
in a few places. I suspect its usage has been spread by copy & paste
rather than anything else.
Let's just remove it for plain ARRAY_SIZE().
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Touching the VGA resources on an IVB EFI machine causes hard hangs when
we then kick out the efifb. Ouch.
Apparently this also prevents unclaimed register errors on hsw and
hard machine hangs on my i855gm when trying to unbind fbcon.
Also, we want this to make I915_FBDEV=n safe.
v2: Rebase and pimp commit message.
v3: We also need to unregister the vga console, otherwise the unbind
of the fb console before module unload might resurrect it again.
v4: Ignore errors when the vga console is already unregistered - this
can happen when e.g. reloading i915.ko.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67813
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> (v1)
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The global gtt is setup up in 2 parts, so we need to be careful
with the cleanup. For consistency shovel it all into the ->cleanup
callback, like with ppgtt.
Noticed because it blew up in the out_gtt: cleanup code while
fiddling with the vgacon code.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://anongit.freedesktop.org/drm-intel into drm-next
> Bunch of stuff for 3.16 still:
> - Mipi dsi panel support for byt. Finally! From Shobhit&others. I've
> squeezed this in since it's a regression compared to vbios and we've
> been ridiculed about it a bit too often ...
> - connection_mutex deadlock fix in get_connector (only affects i915).
> - Core patches from Matt's primary plane from Matt Roper, I've pushed the
> i915 stuff to 3.17.
> - vlv power well sequencing fixes from Jesse.
> - Fix for cursor size changes from Chris.
> - agpbusy fixes from Ville.
> - A few smaller things.
>
* tag 'drm-intel-fixes-2014-06-06' of git://anongit.freedesktop.org/drm-intel: (32 commits)
drm/i915: BDW: Adding missing cursor offsets.
drm: Fix getconnector connection_mutex locking
drm/i915/bdw: Only use 2g GGTT for 32b platforms
drm/i915: Nuke pipe A quirk on i830M
drm/i915: fix display power sw state reporting
drm/i915: Always apply cursor width changes
drm/i915: tell the user if both KMS and UMS are disabled
drm/plane-helper: Add drm_plane_helper_check_update() (v3)
drm: Check CRTC compatibility in setplane
drm/i915: use VBT to determine whether to enumerate the VGA port
drm/i915: Don't WARN about ring idle bit on gen2
drm/i915: Silence the WARN if the user tries to GTT mmap an incoherent object
drm/i915: Move the C3 LP write bit setup to gen3_init_clock_gating() for KMS
drm/i915: Enable interrupt-based AGPBUSY# enable on 85x
drm/i915: Flip the sense of AGPBUSY_DIS bit
drm/i915: Set AGPBUSY# bit in init_clock_gating
drm/i915/vlv: add pll assertion when disabling DPIO common well
drm/i915/vlv: move DPIO common reset de-assert into __vlv_set_power_well
drm/i915/vlv: re-order power wells so DPIO common comes after TX
drm/i915/vlv: move CRI refclk enable into __vlv_set_power_well
...
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BDW uses IVB cursor offsets.
Whithout this patch it is not possible to use multiple outputs with cursor
on BDW.
The cursor gets completely crazy because update position uses the wrong
cursor register for the second pipe.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79621
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Merge drm-fixes into drm-next.
Both i915 and radeon need this done for later patches.
Conflicts:
drivers/gpu/drm/drm_crtc_helper.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/i915_gem_gtt.c
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Daniel requested in the bug that I use a 3GB fallback size. Since this
is not in the spec as a valid size, I decided against it. We could
potentially add a patch to bump it to 3GB on top of this one.
This probably should be CC: stable - but I'll let the powers that be
decide that one.
Regression from a revert of the revert:
commit 7907f45bf9f67a1c5e5d4ae05bab428d7c2f43b2
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Wed Feb 19 22:05:46 2014 -0800
Revert "drm/i915/bdw: Limit GTT to 2GB"
v2: Change ifdef to 32b, instead of ifndef
update comment
v3. Update comment to not wrap (Daniel).
Update commit message
v4: s/CONFIG_32/CONFIG_X86_32 (Jani).
v5: s/CONFIG_x86_32BIT/CONFIG_x86_32, as meant in v4
s/32B/32b (chris)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76619
Cc: stable@vger.kernel.org
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Tested-by: "Yang, Guang A" <guang.a.yang@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Apparently it does more harm than good. Thomas Richter reports that
it helps his machine (Thinkpad X31) and there's another report from a
Fujitsu S6010. Also, we've nuked it on i845G already to make Chris'
machine happy.
Cc: Thomas Richter <richter@rus.uni-stuttgart.de>
References: http://mid.mail-archive.com/538C54E0.8090507@rus.uni-stuttgart.de
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Atm, we refcount both power domains and power wells and
intel_display_power_enabled_sw() returns the power domain refcount. What
the callers are really interested in though is the sw state of the
underlying power wells. Due to this we will report incorrectly that a
given power domain is off if its power wells were enabled via another
power domain, for example POWER_DOMAIN_INIT which enables all power
wells.
As a fix return instead the state based on the refcount of all power
wells included in the passed in power domain.
References: https://bugs.freedesktop.org/show_bug.cgi?id=79505
References: https://bugs.freedesktop.org/show_bug.cgi?id=79038
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It is possible for userspace to create a big object large enough for a
256x256, and then switch over to using it as a 64x64 cursor. This
requires the cursor update routines to check for a change in width on
every update, rather than just when the cursor is originally enabled.
This also fixes an issue with 845g/865g which cannot change the base
address of the cursor whilst it is active.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[Antti:rebased, adjusted macro names and moved some lines, no functional
changes]
Reviewed-by: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Tested-by: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Cc: stable@vger.kernel.org
Testcase: igt/kms_cursor_crc/cursor-size-change
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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