| Commit message (Collapse) | Author | Age |
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Architectures that implement their own show_mem() function did not pass
the filter argument to show_free_areas() to appropriately avoid emitting
the state of nodes that are disallowed in the current context. This patch
now passes the filter argument to show_free_areas() so those nodes are now
avoided.
This patch also removes the show_free_areas() wrapper around
__show_free_areas() and converts existing callers to pass an empty filter.
ia64 emits additional information for each node, so skip_free_areas_zone()
must be made global to filter disallowed nodes and it is converted to use
a nid argument rather than a zone for this use case.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: James Bottomley <jejb@parisc-linux.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It should check if strict_strtoul() succeeds.
[akpm@linux-foundation.org: don't override strict_strtoul() return value]
Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus/2640/i2c' of git://git.fluff.org/bjdooks/linux: (21 commits)
mach-ux500: set proper I2C platform data from MOP500s
i2c-nomadik: break out single messsage transmission
i2c-nomadik: reset the hw after status check
i2c-nomadik: remove the unnecessary delay
i2c-nomadik: change the TX and RX threshold
i2c-nomadik: add code to retry on timeout failure
i2c-nomadik: use pm_runtime API
i2c-nomadik: print abort cause only on abort tag
i2c-nomadik: correct adapter timeout initialization
i2c-nomadik: remove the redundant error message
i2c-nomadik: corrrect returned error numbers
i2c-nomadik: fix speed enumerator
i2c-nomadik: make i2c timeout specific per i2c bus
i2c-nomadik: add regulator support
i2c: i2c-sh_mobile bus speed platform data V2
i2c: i2c-sh_mobile clock string removal
i2c-eg20t: Support new device ML7223 IOH
i2c: tegra: Add de-bounce cycles.
i2c: tegra: fix repeated start handling
i2c: tegra: recover from spurious interrupt storm
...
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'for-2639/i2c-tegra' and 'for-2639/i2c-nomadik2' into for-linus/2640/i2c
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Reduce code size in the message transfer function by factoring out
a single-message transfer function.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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In case of I2C timeout, reset the HW only after the HW status
is read, otherwise the staus will be lost.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The delay in the driver seems to be not needed, so remove it.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Markus Grape <markus.grape@stericsson.com>
Tested-by: Per Persson <per.xb.persson@stericsson.com>
Tested-by: Chethan Krishna N <chethan.krishna@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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1) Increase RX FIFO threshold so that there is a reduction in
the number of interrupts handled to complete a transaction.
2) Fill TX FIFO in the write function.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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It is seen that i2c-nomadik controller randomly stops generating the
interrupts leading to a i2c timeout. As a workaround to this problem,
add retries to the on going transfer on failure.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Use the pm_runtime API for pins control.
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
[deleted some surplus runtime PM code]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Modify the code to:
1)Print the cause of i2c failure only if the status is set to ABORT.
2)Print slave address on send/receive fail, will help in which slave
failed.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Correct the incorrect initialization of adapter timeout not to be
in milliseconds, as it needs to be done in jiffies.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The abort cause string itself is an error, so remove the redundant
explicit error message.
Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The code was returning bad error numbers or just -1 in some cases.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add option to have different i2c timeout delay for different i2c buses
specified in platform data. Default to the old value unless specified.
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This on-chip I2C controller needs to fetch the regulator
representing its voltage domain so that it won't be switched off.
Signed-off-by: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This enables debouncing of the I2C lines. The debounce period is
2 * the debounce register field value, in terms of the I2C block's main
clock. The Tegra TRM indicates that a setting yielding >50nS is
desirable. Hence, a setting of 2 => 4 clocks @ 72MHz => ~55nS.
Signed-off-by: Ken Radtke <kradtke@nvidia.com>
[swarren: Added commit description body,
Fixed 80-column limit, Reverted file permission change]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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A repeated start should be used for all but the last msg in an xfer. The
NOSTART flag is for skipping the START frame (addr/rw)
Signed-off-by: Erik Gilling <konkers@android.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Re-init the I2C controller when an IRQ arrives with no
I2C_INT_STATUS bits set to indicate why the interrupt was sent.
Storms of such mystery interrupts are infrequently seen.
Dump some more status when these interrupts arrive. Set an error
for the current request and wake up the requester (rather than
timing out the request or possibly silently ignoring the interrupts).
If the I2C block is inside the DVC, also ACK the DVC I2C transfer
done interrupt in the ISR error return path, as is done for the
normal return path.
Signed-off-by: Todd Poynor <toddpoynor@google.com>
[swarren: Fix minor checkpatch whitespace issue, commit tag]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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For Tegra i2c controller to function properly new slave mode must be
enabled.
swarren notes:
In particular, I found this was needed when working on enabling the
Tegra audio driver on the Seaboard board. There are two different PCB
layouts for this board; a "clamshell" version, which works just fine
without this change, and the original non-clamshell version, which needs
this change in order for I2C to operate correctly. Without it, I2C
probing fails for some devices, e.g. with:
wm8903 0-001a: Device with ID register 0 is not a WM8903
wm8903 0-001a: asoc: failed to probe CODEC wm8903.0-001a: -19
asoc: failed to instantiate card tegra-wm8903: -19
ALSA device list:
No soundcards found.
Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add support to the i2c-sh_mobile driver for setting
the I2C bus speed using platform data.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Remove the clock string magic from the i2c-sh_mobile driver
now when all platforms support clkdev properly.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c-parport: Various cleanups
i2c-i801: Don't depend on other kernel driver config options
i2c-i801: Check for vendor Fujitsu before probing for apanel
i2c-i801: Don't probe for slaves on IDF channels
i2c-i801: SMBus patch for Intel Panther Point DeviceIDs
i2c/writing-clients: Fix foo_driver.id_table
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* Fix white space.
* Rename labels to something meaningful.
* Prefix defines with PORT_ to avoid collision with macros from
<linux/parport.h>.
* Add const markers where possible.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Don't let other driver config options influence us, as it makes the
code more complex and fragile for a small benefit. There's nothing
wrong with instantiating I2C devices even if they don't have a driver.
And we're talking about 835 extra bytes in the binary on x86-64,
that's hardly worth arguing about.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Woodhouse <david.woodhouse@intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
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Scanning the BIOS memory for the apanel information is costly, so
avoid doing it on non-Fujitsu machines.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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I don't know if Fujitsu is ever going to produce Patsburg-based
machines, but if they do, I'd rather not probe the secondary (IDF)
SMBus channels. At least not until we have a good reason for doing so.
On a side note, I'm not even sure if it is right to enable detection
of HWMON and DDC devices on the IDF channels. Time will tell...
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
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This patch adds the SMBus controller DeviceID for the Intel Panther Point PCH.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
pcmcia: Make struct pcmcia_device_id const, sound drivers edition
staging: pcmcia: Convert pcmcia_device_id declarations to const
pcmcia: Convert pcmcia_device_id declarations to const
pcmcia: Make declaration and uses of struct pcmcia_device_id const
pcmcia/sa1100: put sa11x0_pcmcia_hw_init[] to .devinit.data
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Reduces data, increases text.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Saves about 50KB of data.
Old/new size of all objects:
text data bss dec hex filename
563015 80096 130684 773795 bcea3 (TOTALS)
610916 32256 130632 773804 bceac (TOTALS)
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be> (for drivers/net/can/softing/softing_cs.c)
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Const allows tables to be moved into text sections.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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sa11x0_pcmcia_hw_init is only used by sa11x0_drv_pcmcia_probe which
lives in .devinit.text so it can go to .devinit.data.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (169 commits)
drivers/gpu/drm/radeon/atom.c: fix warning
drm/radeon/kms: bump kms version number
drm/radeon/kms: properly set num banks for fusion asics
drm/radeon/kms/atom: move dig phy init out of modesetting
drm/radeon/kms/cayman: fix typo in register mask
drm/radeon/kms: fix typo in spread spectrum code
drm/radeon/kms: fix tile_config value reported to userspace on cayman.
drm/radeon/kms: fix incorrect comparison in cayman setup code.
drm/radeon/kms: add wait idle ioctl for eg->cayman
drm/radeon/cayman: setup hdp to invalidate and flush when asked
drm/radeon/evergreen/btc/fusion: setup hdp to invalidate and flush when asked
agp/uninorth: Fix lockups with radeon KMS and >1x.
drm/radeon/kms: the SS_Id field in the LCD table if for LVDS only
drm/radeon/kms: properly set the CLK_REF bit for DCE3 devices
drm/radeon/kms: fixup eDP connector handling
drm/radeon/kms: bail early for eDP in hotplug callback
drm/radeon/kms: simplify hotplug handler logic
drm/radeon/kms: rewrite DP handling
drm/radeon/kms/atom: add support for setting DP panel mode
drm/radeon/kms: atombios.h updates for DP panel mode
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udelay() doesn't like 8-bit arguments:
drivers/gpu/drm/radeon/atom.c: In function 'atom_op_delay':
drivers/gpu/drm/radeon/atom.c:653: warning: comparison is always false due to limited range of data type
while we're there, use msleep() rather than open-coding it.
Cc: David Airlie <airlied@linux.ie>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Matt Turner <mattst88@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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- proper bank size for fusion for 2D tiling.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Needed by userspace for 2D tiled buffer alignment
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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It only needs to be called once at startup, not for every
modeset.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Noticed by Droste on IRC.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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cayman is reporting the wrong tile config value to userspace, this
causes piglit mipmap generation tests to fail.
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This was leading to a bogus value being programmed to the backend
routing register.
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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None of the latest GPUs had this hooked up, this is necessary for
correct operation in a lot of cases, however we should test this on a few
GPUs in these families as we've had problems in this area before.
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On cayman we need to set the bit to cause HDP flushes to invalidate the
HDP cache also.
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This needs to be explicitly set on btc. It's set by default
on evergreen/fusion, so it fine to just unconditionally enable it for
all chips.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@gmail.com>
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This was based on a description by Ben Herrenschmidt:
> I've removed that SBA reset from the normal TLB invalidation path and
> left it only once after turning AGP on.
About six months ago, he said:
> I did it a bit differently, but yeah, you get the idea. I'm doing a
> patch series so don't bother pushing things too hard yet.
But I haven't seen anything from him about this since then, and people are
regularly hitting these lockups, so here we are...
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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For DP/eDP, always use the standard DP SS indices.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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If the ss clock is external, the CLK_REF bit needs to be set
in the SetPixelClock parameters. This should fix DP failures
in the channel equalization loop.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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It's more like LVDS then DP in some ways.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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