Commit Graph

798026 Commits

Author SHA1 Message Date
Dave Chinner
4800bf7bc8 block: fix 32 bit overflow in __blkdev_issue_discard()
A discard cleanup merged into 4.20-rc2 causes fstests xfs/259 to
fall into an endless loop in the discard code. The test is creating
a device that is exactly 2^32 sectors in size to test mkfs boundary
conditions around the 32 bit sector overflow region.

mkfs issues a discard for the entire device size by default, and
hence this throws a sector count of 2^32 into
blkdev_issue_discard(). It takes the number of sectors to discard as
a sector_t - a 64 bit value.

The commit ba5d73851e ("block: cleanup __blkdev_issue_discard")
takes this sector count and casts it to a 32 bit value before
comapring it against the maximum allowed discard size the device
has. This truncates away the upper 32 bits, and so if the lower 32
bits of the sector count is zero, it starts issuing discards of
length 0. This causes the code to fall into an endless loop, issuing
a zero length discards over and over again on the same sector.

Fixes: ba5d73851e ("block: cleanup __blkdev_issue_discard")
Tested-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>

Killed pointless WARN_ON().

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-14 08:17:18 -07:00
Imre Deak
fa96ed1f56 drm/i915: Remove special case for power well 1/MISC_IO state verification
Even though PW#1 and the MISC_IO power wells are managed by the
DMC firmware (toggled dynamically if conditions allow it) from the
driver's POV they are always on if the display core is initialized
(always restored by DMC to the enabled state after exiting from DC5/6
for instance b/c of MMIO access). Accordingly we can just mark them as
always-on and remove the special casing for them during state
verification (thus enabling verification for these power wells too).

Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181109145822.15446-3-imre.deak@intel.com
2018-11-14 13:45:36 +02:00
Imre Deak
285cf66d52 drm/i915: Use proper bool bitfield initializer in power well descs
We can just use a proper true/false initializer even for bitfields,
which is more descriptive.

Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181109145822.15446-2-imre.deak@intel.com
2018-11-14 13:45:31 +02:00
Imre Deak
cb8ef723ab drm/i915/gen9_bc: Work around DMC bug zeroing power well requests
A DMC bug on GEN9 big core machines fails to restore the driver's
request bits for the PW1 and MISC_IO power wells after a DC5/6
entry->exit sequence. As a consequence the driver's subsequent check for
the enabled status of these power wells will fail, as the check
considers the power wells being enabled only if both the status and
request bits are set. To work around this borrow the request bits from
BIOS's own request register in which DMC forces on the request bits when
exiting from DC5/6.

This fixes a problem reported by Ramalingam, where HDCP init failed,
since PW1 reported itself as being disabled, while in reality it was
enabled.

Reported-by: Ramalingam C <ramalingam.c@intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181109145822.15446-1-imre.deak@intel.com
2018-11-14 13:45:15 +02:00
Mika Kuoppala
a22612301a drm/i915/icl: Drop spurious register read from icl_dbuf_slices_update
Register DBUF_CTL_S2 is read and it's value is not used. As
there is no explanation why we should prime the hardware with
read, remove it as spurious.

Fixes: aa9664ffe8 ("drm/i915/icl: Enable 2nd DBuf slice only when needed")
Cc: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181109140924.2663-1-mika.kuoppala@linux.intel.com
(cherry picked from commit 8577c319b6)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2018-11-14 13:17:45 +02:00
Lionel Landwerlin
6a67a20366 drm/i915: fix broadwell EU computation
subslice_mask is an array indexed by slice, not subslice.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 8cc7669355 ("drm/i915: store all subslice masks")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108712
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112123931.2815-1-lionel.g.landwerlin@intel.com
(cherry picked from commit 63ac3328f0)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2018-11-14 13:17:33 +02:00
Mika Kuoppala
745aa6cdee drm/i915: Fix icl workarounds whitespaces
Align icl workarounds whitespace with the rest of the file

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20181109145333.10570-2-mika.kuoppala@linux.intel.com
2018-11-14 11:37:41 +02:00
Mika Kuoppala
85f04aa569 drm/i915: Deduplicate register definition for GAMW_ECO_DEV_RW_IA
This got duplicated on introducing icl workarounds.
Fix by using the older definition and moving the wa bit
definition there. No functional changes.

v3: avoid fixes tag, whitespace (Chris)

References: 908ae05173 ("drm/i915/icl: WaDisCtxReload")
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20181109145333.10570-1-mika.kuoppala@linux.intel.com
2018-11-14 11:37:40 +02:00
Mika Kuoppala
8577c319b6 drm/i915/icl: Drop spurious register read from icl_dbuf_slices_update
Register DBUF_CTL_S2 is read and it's value is not used. As
there is no explanation why we should prime the hardware with
read, remove it as spurious.

Fixes: aa9664ffe8 ("drm/i915/icl: Enable 2nd DBuf slice only when needed")
Cc: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181109140924.2663-1-mika.kuoppala@linux.intel.com
2018-11-14 11:36:58 +02:00
Max Filippov
40dc948f23 xtensa: fix boot parameters address translation
The bootloader may pass physical address of the boot parameters structure
to the MMUv3 kernel in the register a2. Code in the _SetupMMU block in
the arch/xtensa/kernel/head.S is supposed to map that physical address to
the virtual address in the configured virtual memory layout.

This code haven't been updated when additional 256+256 and 512+512
memory layouts were introduced and it may produce wrong addresses when
used with these layouts.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-11-14 00:15:32 -08:00
Satheesh Rajendran
437ccdc8ce powerpc/numa: Suppress "VPHN is not supported" messages
When VPHN function is not supported and during cpu hotplug event,
kernel prints message 'VPHN function not supported. Disabling
polling...'. Currently it prints on every hotplug event, it floods
dmesg when a KVM guest tries to hotplug huge number of vcpus, let's
just print once and suppress further kernel prints.

Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-11-14 14:32:47 +11:00
Paul Moore
877181a8d9 selinux: fix non-MLS handling in mls_context_to_sid()
Commit 95ffe19420 ("selinux: refactor mls_context_to_sid() and make
it stricter") inadvertently changed how we handle labels that did not
contain MLS information.  This patch restores the proper behavior in
mls_context_to_sid() and adds a comment explaining the proper
behavior to help ensure this doesn't happen again.

Fixes: 95ffe19420 ("selinux: refactor mls_context_to_sid() and make it stricter")
Reported-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2018-11-13 21:44:33 -05:00
Paulo Zanoni
704e504bd6 drm/i915: add ICP support to cnp_rawclk() and kill icp_rawclk()
I think I'm probably the one who argued in favor of having separate
implementations for both PCHs, but the calculations are actually the
same, the clocks are the same and the only difference is that on ICP
we write the numerator to the register.

I have previously suggested to kill cnp_rawclk() and keep the
icp_rawclk() style, but Ville gave some good arguments that what's in
this patch may be the better choice.

v2: Switch numerator to 1 from 1000 and adjust calculations
    accordingly (Ville).

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112232313.26373-3-paulo.r.zanoni@intel.com
2018-11-13 16:37:16 -08:00
Paulo Zanoni
228a5cf381 drm/i915: rename CNP_RAWCLK_FRAC to CNP_RAWCLK_DEN
Although CNP names this field "Counter Fraction", what we write to the
register is really the denominator for the fractional part of the
divider, not the fractional part (and the field description even says
that). The ICP spec renamed the field to "Counter Fraction
Denominator", which makes a lot more sense. Use the more complete ICL
naming because we will merge the CNP and ICP functions into a single
one, which will introduce the concept of the numerator. That will make
a lot more sense when you read the "num/frac = den" calculation.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112232313.26373-2-paulo.r.zanoni@intel.com
2018-11-13 16:35:58 -08:00
Paulo Zanoni
af4de6adb4 drm/i915/cnp+: update to the new RAWCLK_FREQ recommendations
BSpec was updated and now there's no more "subtract 1" to the
Microsecond Counter Divider field.

It seems this should help fixing some GMBUS issues. I'm not aware of
any specific open bug that could be solved by this patch.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112232313.26373-1-paulo.r.zanoni@intel.com
2018-11-13 16:31:10 -08:00
Trond Myklebust
e39d8a186e NFSv4: Fix an Oops during delegation callbacks
If the server sends a CB_GETATTR or a CB_RECALL while the filesystem is
being unmounted, then we can Oops when releasing the inode in
nfs4_callback_getattr() and nfs4_callback_recall().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-11-13 17:15:17 -05:00
Mimi Zohar
fd35f192e4 integrity: support new struct public_key_signature encoding field
On systems with IMA-appraisal enabled with a policy requiring file
signatures, the "good" signature values are stored on the filesystem as
extended attributes (security.ima).  Signature verification failure
would normally be limited to just a particular file (eg. executable),
but during boot signature verification failure could result in a system
hang.

Defining and requiring a new public_key_signature field requires all
callers of asymmetric signature verification to be updated to reflect
the change.  This patch updates the integrity asymmetric_verify()
caller.

Fixes: 82f94f2447 ("KEYS: Provide software public key query function [ver #2]")
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Cc: David Howells <dhowells@redhat.com>
Acked-by: Denis Kenzior <denkenz@gmail.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
2018-11-13 13:09:56 -08:00
Gustavo A. R. Silva
646558ff16 kdb: kdb_support: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that in this particular case, I replaced the code comments with
a proper "fall through" annotation, which is what GCC is expecting
to find.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2018-11-13 20:38:50 +00:00
Gustavo A. R. Silva
01cb37351b kdb: kdb_keyboard: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that in this particular case, I replaced the code comments with
a proper "fall through" annotation, which is what GCC is expecting
to find.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2018-11-13 20:38:50 +00:00
Gustavo A. R. Silva
9eb62f0e1b kdb: kdb_main: refactor code in kdb_md_line
Replace the whole switch statement with a for loop.  This makes the
code clearer and easy to read.

This also addresses the following Coverity warnings:

Addresses-Coverity-ID: 115090 ("Missing break in switch")
Addresses-Coverity-ID: 115091 ("Missing break in switch")
Addresses-Coverity-ID: 114700 ("Missing break in switch")

Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
[daniel.thompson@linaro.org: Tiny grammar change in description]
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2018-11-13 20:37:53 +00:00
Prarit Bhargava
c2b94c72d9 kdb: Use strscpy with destination buffer size
gcc 8.1.0 warns with:

kernel/debug/kdb/kdb_support.c: In function ‘kallsyms_symbol_next’:
kernel/debug/kdb/kdb_support.c:239:4: warning: ‘strncpy’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
     strncpy(prefix_name, name, strlen(name)+1);
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/debug/kdb/kdb_support.c:239:31: note: length computed here

Use strscpy() with the destination buffer size, and use ellipses when
displaying truncated symbols.

v2: Use strscpy()

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Jonathan Toppins <jtoppins@redhat.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: kgdb-bugreport@lists.sourceforge.net
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2018-11-13 20:27:53 +00:00
Christophe Leroy
568fb6f42a kdb: print real address of pointers instead of hashed addresses
Since commit ad67b74d24 ("printk: hash addresses printed with %p"),
all pointers printed with %p are printed with hashed addresses
instead of real addresses in order to avoid leaking addresses in
dmesg and syslog. But this applies to kdb too, with is unfortunate:

    Entering kdb (current=0x(ptrval), pid 329) due to Keyboard Entry
    kdb> ps
    15 sleeping system daemon (state M) processes suppressed,
    use 'ps A' to see all.
    Task Addr       Pid   Parent [*] cpu State Thread     Command
    0x(ptrval)      329      328  1    0   R  0x(ptrval) *sh

    0x(ptrval)        1        0  0    0   S  0x(ptrval)  init
    0x(ptrval)        3        2  0    0   D  0x(ptrval)  rcu_gp
    0x(ptrval)        4        2  0    0   D  0x(ptrval)  rcu_par_gp
    0x(ptrval)        5        2  0    0   D  0x(ptrval)  kworker/0:0
    0x(ptrval)        6        2  0    0   D  0x(ptrval)  kworker/0:0H
    0x(ptrval)        7        2  0    0   D  0x(ptrval)  kworker/u2:0
    0x(ptrval)        8        2  0    0   D  0x(ptrval)  mm_percpu_wq
    0x(ptrval)       10        2  0    0   D  0x(ptrval)  rcu_preempt

The whole purpose of kdb is to debug, and for debugging real addresses
need to be known. In addition, data displayed by kdb doesn't go into
dmesg.

This patch replaces all %p by %px in kdb in order to display real
addresses.

Fixes: ad67b74d24 ("printk: hash addresses printed with %p")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2018-11-13 20:27:37 +00:00
Christophe Leroy
dded2e1592 kdb: use correct pointer when 'btc' calls 'btt'
On a powerpc 8xx, 'btc' fails as follows:

Entering kdb (current=0x(ptrval), pid 282) due to Keyboard Entry
kdb> btc
btc: cpu status: Currently on cpu 0
Available cpus: 0
kdb_getarea: Bad address 0x0

when booting the kernel with 'debug_boot_weak_hash', it fails as well

Entering kdb (current=0xba99ad80, pid 284) due to Keyboard Entry
kdb> btc
btc: cpu status: Currently on cpu 0
Available cpus: 0
kdb_getarea: Bad address 0xba99ad80

On other platforms, Oopses have been observed too, see
https://github.com/linuxppc/linux/issues/139

This is due to btc calling 'btt' with %p pointer as an argument.

This patch replaces %p by %px to get the real pointer value as
expected by 'btt'

Fixes: ad67b74d24 ("printk: hash addresses printed with %p")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2018-11-13 20:27:16 +00:00
Ondrej Mosnacek
c138325fb8 selinux: check length properly in SCTP bind hook
selinux_sctp_bind_connect() must verify if the address buffer has
sufficient length before accessing the 'sa_family' field. See
__sctp_connect() for a similar check.

The length of the whole address ('len') is already checked in the
callees.

Reported-by: Qian Cai <cai@gmx.us>
Fixes: d452930fd3 ("selinux: Add SCTP support")
Cc: <stable@vger.kernel.org> # 4.17+
Cc: Richard Haines <richard_c_haines@btinternet.com>
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Tested-by: Qian Cai <cai@gmx.us>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2018-11-13 11:39:09 -05:00
Christian König
c1a17777eb drm/amdgpu: fix huge page handling on Vega10
We accidentially set the huge flag on the parent instead of the childs.
This caused some VM faults under memory pressure.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-11-13 10:21:00 -05:00
Rex Zhu
4d454e9ffd drm/amd/pp: Fix truncated clock value when set watermark
the clk value should be tranferred to MHz first and
then transfer to uint16. otherwise, the clock value
will be truncated.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reported-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-11-13 10:20:41 -05:00
Ville Syrjälä
c1cd5b24d6 drm/i915: Determine DSI panel orientation from VBT
VBT appears to have two (or possibly three) ways to indicate the panel
rotation. The first is in the MIPI config block, but that apparenly
usually (maybe always?) indicates 0 degrees despite the actual panel
orientation. The second way to indicate this is in the general features
block, which can just indicate whether 180 degress rotation is used.
The third might be a separate rotation data block, but that is not
at all documented so who knows what it may contain.

Let's try the first two. We first try the DSI specicic VBT
information, and it it doesn't look trustworthy (ie. indicates
0 degrees) we fall back to the 180 degree thing. Just to avoid too
many changes in one go we shall also keep the hardware readout path
for now.

If this works for more than just my VLV FFRD the question becomes
how many of the panel orientation quirks are now redundant?

v2: Move the code into intel_dsi.c (Jani)

Cc: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181022142015.4026-1-ville.syrjala@linux.intel.com
Tested-by: Hans de Goede <hdegoede@redhat.com>
2018-11-13 17:20:32 +02:00
Ville Syrjälä
86ef615fa1 drm/i915: Fix the VLV/CHV DSI panel orientation hw readout
Let's make sure the DSI port is actually on before we go
poking at the plane register to determine which way
it's rotated. Otherwise we could be looking at a plane
that is feeding a HDMI port for instance.

And in order to read the plane register we need the power
well to be on. Make sure that is indeed the case. We'll
also make sure the plane is actually enabled before we
trust the rotation bit to tell us the truth.

v2: s/intel_dsi/vlv_dsi/

Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181022141953.3889-1-ville.syrjala@linux.intel.com
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #irc
2018-11-13 17:15:30 +02:00
Ville Syrjälä
f255c624c1 drm/i915: Move skip_intermediate_wm handling into ilk_compute_intermediate_wm()
No point in cluttering the common codepaths with the
skip_intermediate_wm handling. Just move it into
ilk_compute_intermediate_wm() as those are the only
platforms using this.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181108151013.24064-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #irc
2018-11-13 17:03:11 +02:00
Ville Syrjälä
e7a278a329 drm/i915: Account for scale factor when calculating initial phase
To get the initial phase correct we need to account for the scale
factor as well. I forgot this initially and was mostly looking at
heavily upscaled content where the minor difference between -0.5
and the proper initial phase was not readily apparent.

And let's toss in a comment that tries to explain the formula
a little bit.

v2: The initial phase upper limit is 1.5, not 24.0!

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 0a59952b24 ("drm/i915: Configure SKL+ scaler initial phase correctly")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181029181820.21956-1-ville.syrjala@linux.intel.com
Tested-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Tested-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #irc
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #irc
2018-11-13 17:00:35 +02:00
Ville Syrjälä
ca0026790e drm/i915: Always write both TILEOFF and LINOFF plane registers
Reduce the clutter in the sprite update functions by writing
both TILEOFF and LINOFF registers unconditionally. We already
did this for primary planes so might as well do it for the
sprites too.

There is no harm in writing both registers. Which one gets
used depends on the tilimg mode selected in the plane control
registers.

It might even make sense to clear the register that won't
get used. That could make register dumps a little easier to
parse. But I'm not sure it's worth the extra hassle.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181108150955.23948-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> #irc
2018-11-13 16:52:12 +02:00
Philip Yang
c837243ff4 drm/amdgpu: fix bug with IH ring setup
The bug limits the IH ring wptr address to 40bit. When the system memory
is bigger than 1TB, the bus address is more than 40bit, this causes the
interrupt cannot be handled and cleared correctly.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-13 09:38:28 -05:00
Bjorn Helgaas
0d76bcc960 Revert "ACPI/PCI: Pay attention to device-specific _PXM node values"
This reverts commit bad7dcd94f.

bad7dcd94f ("ACPI/PCI: Pay attention to device-specific _PXM node
values") caused boot failures (no console output at all) for Martin [1]
and Ingo [2] on AMD ThreadRipper systems.

Revert the commit until we figure out how to safely use these
device-specific _PXM values.

[1] https://lore.kernel.org/linux-pci/20180912152140.3676-2-Jonathan.Cameron@huawei.com
[2] https://lore.kernel.org/linux-pci/20181113071712.GA2353@gmail.com
Fixes: bad7dcd94f ("ACPI/PCI: Pay attention to device-specific _PXM node values")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2018-11-13 08:38:17 -06:00
Ville Syrjälä
6bd36e0822 drm/i915: Switch LSPCON to PCON mode if it's in LS mode
We no longer change LSPCON into PCON mode if it boots up in
LS mode. This was broken by some code shuffling in
commit 96e35598ce ("drm/i915: Check LSPCON vendor OUI").

I actually can't see a reason why that code shuffling had
to be done. The commit msg notes it but doesn't justify it
in any way. But I guess we'll keep the code in its current
place anyway and just make the "switch to PCON mode" part
effective once again.

Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Tested-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Fixes: 96e35598ce ("drm/i915: Check LSPCON vendor OUI")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181107171821.27862-1-ville.syrjala@linux.intel.com
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
2018-11-13 15:22:27 +02:00
Jorge Ramirez-Ortiz
adf59dd240 drm/meson: venc: dmt mode must use encp
The video mode for DMT is only populated to support encp.

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1542048069-22603-1-git-send-email-jramirez@baylibre.com
2018-11-13 10:52:33 +01:00
Olof Johansson
ef3a614066
RISC-V: Silence some module warnings on 32-bit
Fixes:

arch/riscv/kernel/module.c: In function 'apply_r_riscv_32_rela':
./include/linux/kern_levels.h:5:18: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'Elf32_Addr' {aka 'unsigned int'} [-Wformat=]
arch/riscv/kernel/module.c:23:27: note: format string is defined here
arch/riscv/kernel/module.c: In function 'apply_r_riscv_pcrel_hi20_rela':
./include/linux/kern_levels.h:5:18: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'Elf32_Addr' {aka 'unsigned int'} [-Wformat=]
arch/riscv/kernel/module.c:104:23: note: format string is defined here
arch/riscv/kernel/module.c: In function 'apply_r_riscv_hi20_rela':
./include/linux/kern_levels.h:5:18: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'Elf32_Addr' {aka 'unsigned int'} [-Wformat=]
arch/riscv/kernel/module.c:146:23: note: format string is defined here
arch/riscv/kernel/module.c: In function 'apply_r_riscv_got_hi20_rela':
./include/linux/kern_levels.h:5:18: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'Elf32_Addr' {aka 'unsigned int'} [-Wformat=]
arch/riscv/kernel/module.c:190:60: note: format string is defined here
arch/riscv/kernel/module.c: In function 'apply_r_riscv_call_plt_rela':
./include/linux/kern_levels.h:5:18: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'Elf32_Addr' {aka 'unsigned int'} [-Wformat=]
arch/riscv/kernel/module.c:214:24: note: format string is defined here
arch/riscv/kernel/module.c: In function 'apply_r_riscv_call_rela':
./include/linux/kern_levels.h:5:18: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'Elf32_Addr' {aka 'unsigned int'} [-Wformat=]
arch/riscv/kernel/module.c:236:23: note: format string is defined here

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-11-12 18:12:24 -08:00
Olof Johansson
85d90b9180
RISC-V: lib: Fix build error for 64-bit
Fixes the following build error from tinyconfig:

riscv64-unknown-linux-gnu-ld: kernel/sched/fair.o: in function `.L8':
fair.c:(.text+0x70): undefined reference to `__lshrti3'
riscv64-unknown-linux-gnu-ld: kernel/time/clocksource.o: in function `.L0 ':
clocksource.c:(.text+0x334): undefined reference to `__lshrti3'

Fixes: 7f47c73b35 ("RISC-V: Build tishift only on 64-bit")
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-11-12 18:09:55 -08:00
David Abdurachmanov
f157d411a9
riscv: add missing vdso_install target
Building kernel 4.20 for Fedora as RPM fails, because riscv is missing
vdso_install target in arch/riscv/Makefile.

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-11-12 17:16:25 -08:00
David Abdurachmanov
10febb3eca
riscv: fix spacing in struct pt_regs
Replace 8 spaces with tab to match styling.

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-11-12 17:16:16 -08:00
Anup Patel
4ab49461d9
RISC-V: defconfig: Enable printk timestamps
The printk timestamps are very useful information to visually see
where kernel is spending time during boot. It also helps us see
the timing of hotplug events at runtime.

This patch enables printk timestamps in RISC-V defconfig so that
we have it enabled by default (similar to other architectures
such as x86_64, arm64, etc).

Signed-off-by: Anup Patel <anup@brainfault.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-11-12 17:16:10 -08:00
Trond Myklebust
e3d5e573a5 SUNRPC: Fix a bogus get/put in generic_key_to_expire()
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-11-12 16:39:13 -05:00
Trond Myklebust
a652a4bc21 SUNRPC: Fix a Oops when destroying the RPCSEC_GSS credential cache
Commit 07d02a67b7 causes a use-after free in the RPCSEC_GSS credential
destroy code, because the call to get_rpccred() in gss_destroying_context()
will now always fail to increment the refcount.

While we could just replace the get_rpccred() with a refcount_set(), that
would have the unfortunate consequence of resurrecting a credential in
the credential cache for which we are in the process of destroying the
RPCSEC_GSS context. Rather than do this, we choose to make a copy that
is never added to the cache and use that to destroy the context.

Fixes: 07d02a67b7 ("SUNRPC: Simplify lookup code")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-11-12 16:39:13 -05:00
Trond Myklebust
a1aa09be21 NFSv4: Ensure that the state manager exits the loop on SIGKILL
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-11-12 16:39:13 -05:00
Trond Myklebust
21a446cf18 NFSv4: Don't exit the state manager without clearing NFS4CLNT_MANAGER_RUNNING
If we exit the NFSv4 state manager due to a umount, then we can end up
leaving the NFS4CLNT_MANAGER_RUNNING flag set. If another mount causes
the nfs4_client to be rereferenced before it is destroyed, then we end
up never being able to recover state.

Fixes: 47c2199b6e ("NFSv4.1: Ensure state manager thread dies on last ...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.15+
2018-11-12 16:39:13 -05:00
shaoyunl
5581c670fb drm/amdgpu: set system aperture to cover whole FB region
In XGMI configuration, the FB region covers vram region from peer
device, adjust system aperture to cover all of them

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-12 16:13:06 -05:00
Shirish S
36b486bc68 drm/amdgpu: log smu version
This patch prints the version of SMU firmware.

Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by:  Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-12 15:55:30 -05:00
Daniel Kurtz
2bf011c861 drm/amdgpu: refactor smu8_send_msg_to_smc and WARN_ON time out
This patch refactors smu8_send_msg_to_smc_with_parameter() to include
smu8_send_msg_to_smc_async() so that all the messages sent to SMU can be
profiled and appropriately reported if they fail.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by:  Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-12 15:55:14 -05:00
Diego Viola
410b5c7b48 libata: blacklist SAMSUNG MZ7TD256HAFV-000L9 SSD
med_power_with_dipm still causes freezes after updating the firmware to
the latest version (DXT04L5Q).

Set model_rev to NULL and blacklist the device.

Cc: stable@vger.kernel.org
Signed-off-by: Diego Viola <diego.viola@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-12 12:44:19 -07:00
Lionel Landwerlin
63ac3328f0 drm/i915: fix broadwell EU computation
subslice_mask is an array indexed by slice, not subslice.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 8cc7669355 ("drm/i915: store all subslice masks")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108712
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112123931.2815-1-lionel.g.landwerlin@intel.com
2018-11-12 17:40:16 +00:00
Hannes Reinecke
ca474b7389 block: copy ioprio in __bio_clone_fast() and bounce
We need to copy the io priority, too; otherwise the clone will run
with a different priority than the original one.

Fixes: 43b62ce3ff ("block: move bio io prio to a new field")
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>

Fixed up subject, and ordered stores.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-12 10:35:25 -07:00