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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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This allows reservation objects to be used in dma-buf. it's required
for implementing polling support on the fences that belong to a dma-buf.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com> #drivers/media/v4l2-core/
Acked-by: Thomas Hellstrom <thellstrom@vmware.com> #drivers/gpu/drm/ttm
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net> #drivers/gpu/drm/armada/
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The display in fdo#76483 pulses the hotplug line for link retraining
after we cut power to the main link on the source, even while it's
in D3.
fdo#76483
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Under some complicated circumstances (boot, suspend, resume, attach
second display, suspend, resume, suspend, detach second display,
resume, suspend, attach second display, resume), the fb_set_suspend()
call can somehow result in a modeset being attempted before we're
ready for it and things blow up in fun ways.
Running display init first fixes the issue.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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There's Apple machines out there which (probably completely arbitrarily)
restrict each output path to a particular head. This causes us to not
be able to locate the output data needed to power on/off the DP output
correctly.
We fix this by passing in a head index we know is valid (as opposed to
"head 0").
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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When gcc 4.8 inlines this function, it eats up 16 bytes on the stack
every time. Eventually we hit warnings because our stack grew too
much:
ramnve0.c:1383:1: error: the frame size of 1496 bytes is larger than
1024 bytes
We fix this by preventing inlining for this function.
Signed-off-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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We want the lz* fixes here to do more work with them.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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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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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fix to a 3.15 commit.
* 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix incorrect write to read-only register v2:
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mode fixes for tda998x.
* 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
drm/i2c: tda998x: add some basic mode validation
drm/i2c: tda998x: faster polling for edid
drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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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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Russell writes:
These updates fix one bug in the component helper where the matched
components are not properly cleaned up when the master fails to bind.
I'll provide a version of this for stable trees if it's deemed that
we need to backport it.
The second patch causes the component helper to ignore duplicate
matches when adding components - this is something that was originally
needed for imx-drm, but since that has now been updated, we no longer
need to skip over a component which has already been matched.
The final patch starts the process of updating the component helper
API to achieve two goals: to allow the API to be more efficient when
deferred probing occurs, and to allow for future improvements to the
component helper without having a major impact on the users.
This represents groundwork for some other changes; once this has been
merged, I will then send two further pull requests (one for the staging
tree, and one for the DRM tree) to update the drivers to the new API.
This will result in these three commits being shared with those trees.
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Commit "drm/vmwgfx: correct fb_fix_screeninfo.line_length", while fixing a
vmwgfx fbdev bug, also writes the pitch to a supposedly read-only register:
SVGA_REG_BYTES_PER_LINE, while it should be (and also in fact is) written to
SVGA_REG_PITCHLOCK.
This patch is Cc'd stable because of the unknown effects writing to this
register might have, particularly on older device versions.
v2: Updated log message.
Cc: stable@vger.kernel.org
Cc: Christopher Friedt <chrisfriedt@gmail.com>
Tested-by: Christopher Friedt <chrisfriedt@gmail.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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misc fixes, output fixes for 4k monitor, dpm lockup fixes
* 'drm-fixes-3.16' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: page table BOs are kernel allocations
drm/radeon/cik: fix typo in EOP packet
drm/radeon: Track the status of a page flip more explicitly
drm/radeon/dpm: fix vddci setup typo on cayman
drm/radeon/dpm: fix typo in vddci setup for eg/btc
drm/radeon: use RADEON_MAX_CRTCS, RADEON_MAX_AFMT_BLOCKS (v2)
drm/radeon: Use only one line for whole DPCD debug output
drm/radeon: add a module parameter to control deep color support
drm/radeon: enable bapm by default on desktop TN/RL boards
drm/radeon: enable bapm by default on KV/KB
drm/radeon: only apply bapm changes for AC power on ARUBA
drm/radeon: adjust default dispclk on DCE6 (v2)
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1539fb9bd405ee32282ea0a38404f9e008ac5b7a managed to somehow +x
drm_drv.c undo it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Userspace shouldn't be able to access them.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Volatile bit was in the wrong location. This bit is
not used at the moment.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This prevents a panic: radeon_crtc_handle_page_flip() could run before
radeon_flip_work_func(), triggering the BUG_ON() in drm_vblank_put().
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We were using the vddc mask rather than the vddci mask.
Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=79071
May also fix:
https://bugs.freedesktop.org/show_bug.cgi?id=69723
Noticed by: Dieter Nützel <Dieter@nuetzel-hh.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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We were using the vddc mask rather than the vddci mask.
Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=79071
Possibly also fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=68571
Noticed-by: Jonathan Howard <jonathan@unbiased.name>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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v2: agd5f: compile fix
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Some monitors seem to have problems with deep color enabled, even
though they claim to support it. I'm not sure if the monitor
need a quirk or if the driver is doing something the monitor doesn't
like. At this point lets just disable deep color by default like
we did for hdmi audio and work through the bugs so we can eventually
enable it by default.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=80531
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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bapm enabled the GPU and CPU to share TDP headroom. It was
disabled by default since some laptops hung when it was enabled
in conjunction with dpm. It seems to be stable on desktop
boards and fixes hangs on boot with dpm enabled on certain
boards, so enable it by default on desktop boards.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=72921
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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bapm allows the GPU and CPU to share TDP. This allows
for additional performance out of the GPU and CPU when
the headroom is available.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Newer asics shouldn't need any manual adjustment.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Set the default to 600Mhz if it's not set in the bios,
and bump the default to 600Mhz if it's lower than that.
This fixes display issues with certain 4k DP monitors when
using 5.4 Ghz DP clocks.
v2: fix typo.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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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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Fixes for 3.16-rc2; regressions, races, and warns; Broadwell PCI IDs.
* tag 'drm-intel-fixes-2014-06-26' of git://anongit.freedesktop.org/drm-intel:
drm/i915: vlv_prepare_pll is only needed in case of non DSI interfaces
drm/i915: Hold the table lock whilst walking the file's idr and counting the objects in debugfs
drm/i915: BDW: Adding Reserved PCI IDs.
drm/i915: Only mark the ctx as initialised after a SET_CONTEXT operation
drm/i915: default to having backlight if VBT not available
drm/i915: cache hw power well enabled state
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The TDA998x can't handle modes with clocks above 150MHz, or resolutions
larger than 8192x2048.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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One of Jean-Francois patches changed the EDID polling to once every
10ms for 10 interations, whereas the original code did 1ms for 100
interations. This appears to cause boot-time detection to take
noticably longer. Revert this change.
Acked-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Currently tda998x_encoder_destroy() calls cec_write() and reg_clear(),
as part of the release procedure. Such calls need to access the I2C bus
and therefore, we need to call them before drm_i2c_encoder_destroy()
which unregisters the I2C device.
This commit moves the latter so it's done afterwards.
Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Signed-off-by: Ezequiel García <ezequiel@vanguardiasur.com.ar>
Cc: <stable@vger.kernel.org> #v3.9+
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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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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This pull-request fixes hdmi power-off order issue, mixer issues
related to power on/off, and includes trivial fixups.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: enable vsync interrupt while waiting for vblank
drm/exynos: soft reset mixer before reconfigure after power-on
drm/exynos: allow multiple layer updates per vsync for mixer
drm/exynos: stop mixer before gating clocks during poweroff
drm/exynos: set power state variable after enabling clocks and power
drm/exynos: disable unused windows on apply
drm/exynos: Fix de-registration ordering
drm/exynos: change zero to NULL for sparse
drm/exynos: dpi: Fix NULL pointer dereference with legacy bindings
drm/exynos: hdmi: fix power order issue
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A handful of fixes from various folks.
* 'msm-fixes-3.16' of git://people.freedesktop.org/~robclark/linux:
drm/msm: fix IOMMU cleanup for -EPROBE_DEFER
drm/msm: use PAGE_ALIGNED instead of IS_ALIGNED(PAGE_SIZE)
drm/msm/hdmi: set hdp clock rate before prepare_enable
drm/msm: storage class should be before const qualifier
drm/msm: Replace type of paddr to uint32_t.
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If user uses wrong ioctl command with _IOC_NONE and argument size
greater than 0, it can cause NULL pointer access from memset of line
463. If _IOC_NONE, don't memset to 0 for kdata.
Signed-off-by: Zhaowei Yuan <zhaowei.yuan@samsung.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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mixer_wait_for_vblank function expects that the upcoming
vsync interrupt handler routine will clear the
wait_vsync_event atomic variable.
For this to happen, interrupts should be enabled and
disabled properly.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Mixer soft reset is a recommended step before reconfiguring
the mixer after power on. Mixer looses the previous state of
DMAs if soft reset. This is the recommendation from the
hardware team.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Allowing only one layer update per vsync can cause issues
while there are update available for both layers. There is
a good amount of possibility to loose updates if we allow
single update per vsync.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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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>
|
Shobhit Kumar
Scot Doyle
Maarten Lankhorst
Ben Skeggs
Stéphane Marchesin
Greg Kroah-Hartman
Aaron Lu
Dave Airlie
Linus Torvalds
Jani Nikula
Thomas Hellstrom
Christian König
Alex Deucher
Michel Dänzer
Stefan Brüns
Deepak S
Jesse Barnes
Ville Syrjälä
Dave Airlie
Russell King
Guido Martínez
Zhaowei Yuan
Rahul Sharma
Chris Wilson