platform/kernel/linux-exynos.git
9 years agodrm/nouveau/bios/dcb: accept "maxwell" lane count values for dcb 4.0
Ben Skeggs [Fri, 21 Aug 2015 00:52:54 +0000 (10:52 +1000)]
drm/nouveau/bios/dcb: accept "maxwell" lane count values for dcb 4.0

We previously assumed that the values "2" and "4" were new in DCB 4.1,
however, there's at least one GM107 DCB 4.0 board (Quadro K620) that
uses the newer values.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/fb/sddr3: add WR/CWL values seen on a GK208
Ilia Mirkin [Mon, 17 Aug 2015 23:37:34 +0000 (19:37 -0400)]
drm/nouveau/fb/sddr3: add WR/CWL values seen on a GK208

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/nv46: Change mc subdev oclass from nv44 to nv4c
Hans de Goede [Thu, 23 Jul 2015 15:20:12 +0000 (17:20 +0200)]
drm/nouveau/nv46: Change mc subdev oclass from nv44 to nv4c

MSI interrupts appear to not work for nv46 based cards. Change the mc
subdev oclass for these cards from nv44 to nv4c, the nv4c mc code is
identical to the nv44 mc code except that it does not use msi
(it does not define a msi_rearm callback).

BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=90435
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/gf100: only use PBFB_BROADCAST.PM_UNK100 for PBFB signals
Samuel Pitoiset [Tue, 4 Aug 2015 21:58:15 +0000 (23:58 +0200)]
drm/nouveau/pm/gf100: only use PBFB_BROADCAST.PM_UNK100 for PBFB signals

High level hardware events related to PBFB will monitor all partitions.
While we are at it, fix bitfield for this mux.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/gf100: remove multiple definitions of GPC_DOM signal 0x0e
Samuel Pitoiset [Tue, 4 Aug 2015 21:58:14 +0000 (23:58 +0200)]
drm/nouveau/pm/gf100: remove multiple definitions of GPC_DOM signal 0x0e

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/gf100: remove undefined TEX.PM_UNKC8 mux
Samuel Pitoiset [Tue, 4 Aug 2015 21:58:13 +0000 (23:58 +0200)]
drm/nouveau/pm/gf100: remove undefined TEX.PM_UNKC8 mux

This mux only exists on GF108+ (except for GF110 one), but since it is
not used by the userspace we can drop it for now.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: allow zeroed signals to enable sources
Samuel Pitoiset [Tue, 4 Aug 2015 21:58:12 +0000 (23:58 +0200)]
drm/nouveau/pm: allow zeroed signals to enable sources

Hardware signals index 0x00 are defined for some domains and they have
to be allowed to enable sources like the others.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/nv50: TPC[0x3] must be used for PGRAPH muxs on G80
Samuel Pitoiset [Sun, 26 Jul 2015 09:30:08 +0000 (11:30 +0200)]
drm/nouveau/pm/nv50: TPC[0x3] must be used for PGRAPH muxs on G80

I thought that using TPC[0x0] like for G84:GT215 was sufficient on G80,
but it's actually not the case. According to NVIDIA PerfKit on Windows,
we have to configure PGRAPH related muxs on TPC[0x3] for this chipset.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/nv50: fix wrong addr for ZCULL source on G80:GT215
Samuel Pitoiset [Sun, 26 Jul 2015 09:30:07 +0000 (11:30 +0200)]
drm/nouveau/pm/nv50: fix wrong addr for ZCULL source on G80:GT215

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/bios: add opcodes 0x73 and 0x77
Ilia Mirkin [Fri, 19 Jun 2015 06:51:23 +0000 (02:51 -0400)]
drm/nouveau/bios: add opcodes 0x73 and 0x77

No known VBIOSes use these, but they are present in the actual VBIOS
table parsing logic. No harm in adding these too.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/platform: recognize GM20B
Alexandre Courbot [Tue, 23 Jun 2015 06:16:06 +0000 (15:16 +0900)]
drm/nouveau/platform: recognize GM20B

Allow the platform driver to recognize GM20B.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/device: recognize GM20B
Alexandre Courbot [Tue, 23 Jun 2015 06:16:05 +0000 (15:16 +0900)]
drm/nouveau/device: recognize GM20B

Recognize GM20B and assign the right engines and subdevs.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/gr: add GM20B support
Alexandre Courbot [Tue, 23 Jun 2015 06:16:04 +0000 (15:16 +0900)]
drm/nouveau/gr: add GM20B support

Add support for GM20B's graphics engine, based on GK20A. Note that this
code alone will not allow the engine to initialize on released devices
which require PMU-assisted secure boot.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/fifo: add GM20B fifo
Alexandre Courbot [Tue, 23 Jun 2015 06:16:03 +0000 (15:16 +0900)]
drm/nouveau/fifo: add GM20B fifo

GM20B has a 512-channels FIFO similar to GK104.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/gr/gk20a: use same initialization sequence as nvgpu
Alexandre Courbot [Tue, 23 Jun 2015 06:16:02 +0000 (15:16 +0900)]
drm/nouveau/gr/gk20a: use same initialization sequence as nvgpu

GK20A's initialization was based on GK104, but differences exist in the
way the initial context is built and the initialization process itself.

This patch follows the same initialization sequence as nvgpu performs
to avoid bad surprises. Since the register bundles initialization also
differ considerably from GK104, the register packs are now loaded from
firmware files, again similarly to what is done with nvgpu.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/gr: use NVIDIA-provided external firmwares
Alexandre Courbot [Tue, 23 Jun 2015 06:16:01 +0000 (15:16 +0900)]
drm/nouveau/gr: use NVIDIA-provided external firmwares

NVIDIA will officially start providing GR firmwares through
linux-firmware for GPUs that require it. Change the GR firmware lookup
function to use these files.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/gk104: add compute signals/sources
Samuel Pitoiset [Fri, 19 Jun 2015 15:37:18 +0000 (17:37 +0200)]
drm/nouveau/pm/gk104: add compute signals/sources

These signals and sources have been reverse engineered from CUPTI
(Linux). Graphics signals exposed by PerfKit (Windows only) will be
added later. I need to reverse engineer them and it's a bit painful.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/gk104: re-use gf100_pm_ctor()
Samuel Pitoiset [Fri, 19 Jun 2015 15:37:17 +0000 (17:37 +0200)]
drm/nouveau/pm/gk104: re-use gf100_pm_ctor()

gk104_pm_ctor() is equal to gf100_pm_ctor().

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/nv40: rename pcounter domains to 'pc' instead of 'pm'
Samuel Pitoiset [Fri, 19 Jun 2015 15:36:38 +0000 (17:36 +0200)]
drm/nouveau/pm/nv40: rename pcounter domains to 'pc' instead of 'pm'

This trivial patch makes thing more consistent since hardware signals
names are prefixed by 'pcXX'.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: expose name of domains
Samuel Pitoiset [Fri, 19 Jun 2015 15:36:37 +0000 (17:36 +0200)]
drm/nouveau/pm: expose name of domains

This is going to be very useful for GF100+ because each GPC can
have its own domain of counters.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/drm/nouveau/clk: fix tstate to pstate calculation
Wei Ni [Tue, 16 Jun 2015 09:35:12 +0000 (17:35 +0800)]
drm/nouveau/drm/nouveau/clk: fix tstate to pstate calculation

According to the tstate calculation in nvkm_clk_tstate(),
the range of tstate is from -(clk->state_nr - 1) to 0,
it mean the tstate is negative value. But in nvkm_pstate_work(),
it use (clk->state_nr - 1 - clk->tstate) to limit pstate,
it's not correct.
This patch fix it to use (clk->state_nr - 1 + clk->tstate) to
limit pstate.

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: some fixes related to sources
Samuel Pitoiset [Sun, 14 Jun 2015 11:50:06 +0000 (13:50 +0200)]
drm/nouveau/pm: some fixes related to sources

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: fix signals/sources for GT200+
Samuel Pitoiset [Sun, 14 Jun 2015 11:50:05 +0000 (13:50 +0200)]
drm/nouveau/pm: fix signals/sources for GT200+

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/gf100: add compute signals/sources
Samuel Pitoiset [Sun, 14 Jun 2015 11:33:55 +0000 (13:33 +0200)]
drm/nouveau/pm/gf100: add compute signals/sources

These signals and sources have been reverse engineered from CUPTI
(Linux). Graphics signals exposed by PerfKit (Windows only) will be
added later. I need to reverse engineer them and it's a bit painful.

This commit also adds a new class for GF108 and GF117.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/gf100: allow to share GPC, HUB and PART domains
Samuel Pitoiset [Sun, 14 Jun 2015 11:33:54 +0000 (13:33 +0200)]
drm/nouveau/pm/gf100: allow to share GPC, HUB and PART domains

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: stack perfdom class under perfmon
Ben Skeggs [Sun, 14 Jun 2015 02:20:37 +0000 (12:20 +1000)]
drm/nouveau/pm: stack perfdom class under perfmon

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: swap perfmon/perfdom code to avoid forward decl in next commit
Ben Skeggs [Sun, 14 Jun 2015 02:10:59 +0000 (12:10 +1000)]
drm/nouveau/pm: swap perfmon/perfdom code to avoid forward decl in next commit

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm/nv50: add compute and graphics signals/sources
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:28 +0000 (22:40 +0200)]
drm/nouveau/pm/nv50: add compute and graphics signals/sources

These signals and sources have been reverse engineered from NVIDIA
PerfKit (Windows) and CUPTI (Linux), they will be used to build complex
hardware events from the userspace.

This commit also adds a new class for GT200.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: allow the userspace to configure sources
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:27 +0000 (22:40 +0200)]
drm/nouveau/pm: allow the userspace to configure sources

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: allow to configure domains instead of simple counters
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:26 +0000 (22:40 +0200)]
drm/nouveau/pm: allow to configure domains instead of simple counters

Configuring counters from the userspace require the kernel to handle some
logic related to performance counters. Basically, it has to find a free
slot to assign a counter, to handle extra counting modes like B4/B6 and it
must return and error when it can't configure a counter.

In my opinion, the kernel should not handle all of that logic but it
should only write the configuration sent by the userspace without
checking anything. In other words, it should overwrite the configuration
even if it's already counting and do not return any errors.

This patch allows the userspace to configure a domain instead of
separate counters. This has the advantage to move all of the logic to
the userspace.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: allow the userspace to schedule hardware counters
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:25 +0000 (22:40 +0200)]
drm/nouveau/pm: allow the userspace to schedule hardware counters

This adds a new method NVIF_PERFCTR_V0_INIT which starts a batch of
hardware counters for sampling. This will allow the userspace to start
a monitoring session using the INIT method and to stop it with SAMPLE,
for example before and after a frame is rendered.

This commit temporarily breaks nv_perfmon but this is going to be fixed
with the upcoming patch.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: implement NVIF_PERFMON_V0_QUERY_SOURCE method
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:24 +0000 (22:40 +0200)]
drm/nouveau/pm: implement NVIF_PERFMON_V0_QUERY_SOURCE method

This allows to query the ID, the mask and the user-readable name of
sources for each signal.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: allow to query the number of sources for a signal
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:23 +0000 (22:40 +0200)]
drm/nouveau/pm: allow to query the number of sources for a signal

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: add concept of sources
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:22 +0000 (22:40 +0200)]
drm/nouveau/pm: add concept of sources

A source (or multiplexer) is a tuple addr+mask+shift which allows to
control a block of signals. The maximum number of sources that a signal
can define is arbitrary limited to 8 and this should be large enough.
This patch allows to define multi-level of sources for a signal.

Each different sources are stored to a global list and will be exposed
to the userspace through the nvif interface in order to avoid conflicts.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: allow to monitor hardware signal index 0x00
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:21 +0000 (22:40 +0200)]
drm/nouveau/pm: allow to monitor hardware signal index 0x00

This signal index must be always allowed even if it's not clearly
defined in a domain in order to monitor a counter like 0x03020100
because it's the default value of signals.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: use hardware signals indexes instead of user-readable names
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:20 +0000 (22:40 +0200)]
drm/nouveau/pm: use hardware signals indexes instead of user-readable names

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: change signal iter to u16
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:19 +0000 (22:40 +0200)]
drm/nouveau/pm: change signal iter to u16

16 bits is large enough to store the maximum number of signals available
for one domain (i.e. 256).

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: allow to query signals by domain
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:18 +0000 (22:40 +0200)]
drm/nouveau/pm: allow to query signals by domain

This will allow to configure performance counters with hardware signal
indexes instead of user-readable names in an upcoming patch.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: implement NVIF_PERFMON_V0_QUERY_DOMAIN method
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:17 +0000 (22:40 +0200)]
drm/nouveau/pm: implement NVIF_PERFMON_V0_QUERY_DOMAIN method

This allows to query the number of available domains, including the
number of hardware counter and the number of signals per domain.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: prevent creating a perfctr object when signals are not found
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:16 +0000 (22:40 +0200)]
drm/nouveau/pm: prevent creating a perfctr object when signals are not found

Since a new class has been introduced to query signals, we can now
return an error when the userspace wants to monitor unknown signals.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: reorganize the nvif interface
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:15 +0000 (22:40 +0200)]
drm/nouveau/pm: reorganize the nvif interface

This commit introduces the NVIF_IOCTL_NEW_V0_PERFMON class which will be
used in order to query domains, signals and sources. This separates the
querying and the counting interface.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: remove unused nvkm_perfsig_wrap() function
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:14 +0000 (22:40 +0200)]
drm/nouveau/pm: remove unused nvkm_perfsig_wrap() function

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/pm: remove pmu signals
Samuel Pitoiset [Sun, 7 Jun 2015 20:40:13 +0000 (22:40 +0200)]
drm/nouveau/pm: remove pmu signals

PDAEMON signals don't have to be exposed by the perfmon engine.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/clk/nv50: Enable user reclocking for NVA0
Roy Spliet [Sun, 24 May 2015 08:44:02 +0000 (10:44 +0200)]
drm/nouveau/clk/nv50: Enable user reclocking for NVA0

Tested on a few cards. Probably works quite well for most, given they should
all be GDDR3.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/fb/gddr3: Add a few CL and WR entries observed on GTX260
Roy Spliet [Sun, 24 May 2015 08:44:01 +0000 (10:44 +0200)]
drm/nouveau/fb/gddr3: Add a few CL and WR entries observed on GTX260

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/fb/ramnv50: GDDR3 script for NVA0
Roy Spliet [Sun, 24 May 2015 08:44:00 +0000 (10:44 +0200)]
drm/nouveau/fb/ramnv50: GDDR3 script for NVA0

This looks surprisingly similar to scripts on earlier cards as well
but they don't seem to work just yet. That... and I don't have any, which
makes it a tough job to reverse engineer.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/bios/ramcfg: Separate out RON pull value
Roy Spliet [Sun, 24 May 2015 08:43:59 +0000 (10:43 +0200)]
drm/nouveau/bios/ramcfg: Separate out RON pull value

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/bios/rammap: Parse perf mode as if it's a rammap entry
Roy Spliet [Sat, 23 May 2015 08:37:47 +0000 (10:37 +0200)]
drm/nouveau/bios/rammap: Parse perf mode as if it's a rammap entry

Some of the bits in there are similar to the bits in the gt215 rammap.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/fb/ramnv50: Ressurect timing code, use proper timing/rammap handlers
Roy Spliet [Sat, 23 May 2015 08:37:46 +0000 (10:37 +0200)]
drm/nouveau/fb/ramnv50: Ressurect timing code, use proper timing/rammap handlers

Might need some generalisation to < GT200. For those: use at your own risk!

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/fb/ramgt215: No need to cuss like that
Roy Spliet [Sat, 23 May 2015 08:37:45 +0000 (10:37 +0200)]
drm/nouveau/fb/ramgt215: No need to cuss like that

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/fb/ramnv50: Make 0x100da0 per-partition
Roy Spliet [Sat, 23 May 2015 08:37:44 +0000 (10:37 +0200)]
drm/nouveau/fb/ramnv50: Make 0x100da0 per-partition

Like on GT215

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agodrm/nouveau/bios/rammap: Pull DLLoff bit out of version 0x10 struct
Roy Spliet [Sat, 23 May 2015 08:37:43 +0000 (10:37 +0200)]
drm/nouveau/bios/rammap: Pull DLLoff bit out of version 0x10 struct

In preparation of NV50 reclocking, where there is no version

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agoremove unnecessary include
Ben Skeggs [Wed, 29 Apr 2015 00:28:17 +0000 (10:28 +1000)]
remove unnecessary include

This was merged with core/device.h in an earlier commit, but somehow
never got removed.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
9 years agoMerge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into...
Dave Airlie [Thu, 27 Aug 2015 03:01:57 +0000 (13:01 +1000)]
Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next

Here are some development updates for the Synopsis Designware HDMI driver,
which clean up some of the code, and start preparing to add audio support
to the driver.  This series of patches are based on a couple of dependent
commits from the ALSA tree.

Briefly, the updates are:
- move comments which should have moved with the phy values to the IMX
  part of the driver.
- clean up the phy configuration: to all lookups before starting to
  program the phy.
- clean up the HDMI clock regenerator code
- use the drm_hdmi_avi_infoframe_from_display_mode() helper which allows
  the code to be subsequently simplified
- remove the unused 'regmap' pointer in struct dw_hdmi
- use the bridge drm device rather than the connector (we're the bridge
  code)
- remove private hsync/vsync/interlaced flags, getting them from the
  DRM mode structure instead.
- implement interface functions to support audio - setting the audio
  sample rate, and enabling the audio clocks.
- removal of broken pixel repetition support
- cleanup DVI vs HDMI sink handling
- enable audio only if connected device supports audio
- avoid double-enabling bridge in the sink path (once in mode_set, and
  again in commit)
- rename mis-named dw_hdmi_phy_enable_power()
- fix bridge enable/disable handing, so a plug-in event doesn't
  reconfigure the bridge if DRM has disabled the output
- fix from Vladimir Zapolskiy for the I2CM_ADDRESS macro name

These are primerily preparitory patches for the AHB audio driver and
the I2S audio driver (from Rockchip) for this IP.

* 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  drm: bridge/dw_hdmi: fix register I2CM_ADDRESS register name
  drm: bridge/dw_hdmi: fix phy enable/disable handling
  drm: bridge/dw_hdmi: rename dw_hdmi_phy_enable_power()
  drm: bridge/dw_hdmi: avoid enabling interface in mode_set
  drm: bridge/dw_hdmi: enable audio only if sink supports audio
  drm: bridge/dw_hdmi: clean up HDMI vs DVI mode handling
  drm: bridge/dw_hdmi: don't support any pixel doubled modes
  drm: bridge/dw_hdmi: remove pixel repetition setting for all VICs
  drm: bridge/dw_hdmi: introduce interfaces to enable and disable audio
  drm: bridge/dw_hdmi: introduce interface to setting sample rate
  drm: bridge/dw_hdmi: remove mhsyncpolarity/mvsyncpolarity/minterlaced
  drm: bridge/dw_hdmi: use our own drm_device
  drm: bridge/dw_hdmi: remove unused 'regmap' struct member
  drm: bridge/dw_hdmi: simplify hdmi_config_AVI() a little
  drm: bridge/dw_hdmi: use drm_hdmi_avi_infoframe_from_display_mode()
  drm: bridge/dw_hdmi: clean up hdmi_set_clk_regenerator()
  drm: bridge/dw_hdmi: clean up phy configuration
  drm: imx/dw_hdmi: move phy comments
  drm/edid: add function to help find SADs

9 years agoMerge tag 'vmwgfx-next-15-08-21' of git://people.freedesktop.org/~thomash/linux into...
Dave Airlie [Thu, 27 Aug 2015 03:01:23 +0000 (13:01 +1000)]
Merge tag 'vmwgfx-next-15-08-21' of git://people.freedesktop.org/~thomash/linux into drm-next

Pull request of 15-08-21

The third pull request for 4.3. Contains two fixes for regressions introduced
with previous pull requests.

* tag 'vmwgfx-next-15-08-21' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: Remove duplicate ttm_bo_device_release
  drm/vmwgfx: Fix a circular locking dependency in the fbdev code

9 years agoMerge branch 'drm-next-4.3' of git://people.freedesktop.org/~agd5f/linux into drm...
Dave Airlie [Thu, 27 Aug 2015 03:00:28 +0000 (13:00 +1000)]
Merge branch 'drm-next-4.3' of git://people.freedesktop.org/~agd5f/linux into drm-next

- DP fixes for radeon and amdgpu
- IH ring fix for tonga and fiji
- Lots of GPU scheduler fixes
- Misc additional fixes

* 'drm-next-4.3' of git://people.freedesktop.org/~agd5f/linux: (42 commits)
  drm/amdgpu: fix wait queue handling in the scheduler
  drm/amdgpu: remove extra parameters from scheduler callbacks
  drm/amdgpu: wake up scheduler only when neccessary
  drm/amdgpu: remove entity idle timeout v2
  drm/amdgpu: fix postclose order
  drm/amdgpu: use IB for copy buffer of eviction
  drm/amdgpu: adjust the judgement of removing fence callback
  drm/amdgpu: fix no sync_wait in copy_buffer
  drm/amdgpu: fix last_vm_update fence is not effetive for sched fence
  drm/amdgpu: add priv data to sched
  drm/amdgpu: add owner for sched fence
  drm/amdgpu: remove entity reference from sched fence
  drm/amdgpu: fix and cleanup amd_sched_entity_push_job
  drm/amdgpu: remove amdgpu_bo_list_clone
  drm/amdgpu: remove the context from amdgpu_job
  drm/amdgpu: remove unused parameters to amd_sched_create
  drm/amdgpu: remove sched_lock
  drm/amdgpu: remove prepare_job callback
  drm/amdgpu: cleanup a scheduler function name
  drm/amdgpu: reorder scheduler functions
  ...

9 years agodrm/amdgpu: fix wait queue handling in the scheduler
Christian König [Tue, 25 Aug 2015 19:39:31 +0000 (21:39 +0200)]
drm/amdgpu: fix wait queue handling in the scheduler

Freeing up a queue after signalling it isn't race free.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove extra parameters from scheduler callbacks
Christian König [Mon, 24 Aug 2015 12:57:26 +0000 (14:57 +0200)]
drm/amdgpu: remove extra parameters from scheduler callbacks

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: wake up scheduler only when neccessary
Christian König [Mon, 24 Aug 2015 12:29:40 +0000 (14:29 +0200)]
drm/amdgpu: wake up scheduler only when neccessary

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove entity idle timeout v2
Christian König [Fri, 21 Aug 2015 13:46:43 +0000 (15:46 +0200)]
drm/amdgpu: remove entity idle timeout v2

Removing the entity from scheduling can deadlock the whole system.
Wait forever till the remaining IBs are scheduled.

v2: fix comment as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
9 years agodrm/amdgpu: fix postclose order
Christian König [Tue, 25 Aug 2015 13:05:20 +0000 (15:05 +0200)]
drm/amdgpu: fix postclose order

The context needs to finish before everything else.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: use IB for copy buffer of eviction
Chunming Zhou [Tue, 25 Aug 2015 09:23:45 +0000 (17:23 +0800)]
drm/amdgpu: use IB for copy buffer of eviction

This aids handling buffers moves with the scheduler.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
9 years agodrm/amdgpu: adjust the judgement of removing fence callback
Junwei Zhang [Wed, 26 Aug 2015 01:34:59 +0000 (09:34 +0800)]
drm/amdgpu: adjust the judgement of removing fence callback

The fence in the array may be skipped if wait_all is false,
thus the related callback is not initialized with list head.
So removing this kind callback will cause NULL pointer reference.

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
9 years agodrm/amdgpu: fix no sync_wait in copy_buffer
Chunming Zhou [Tue, 25 Aug 2015 07:12:26 +0000 (15:12 +0800)]
drm/amdgpu: fix no sync_wait in copy_buffer

when eviction is happening, if don't handle
dependency, then the fence could be dead off.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
9 years agodrm/amdgpu: fix last_vm_update fence is not effetive for sched fence
Chunming Zhou [Thu, 20 Aug 2015 10:33:59 +0000 (18:33 +0800)]
drm/amdgpu: fix last_vm_update fence is not effetive for sched fence

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
9 years agodrm/amdgpu: add priv data to sched
Chunming Zhou [Mon, 24 Aug 2015 03:35:26 +0000 (11:35 +0800)]
drm/amdgpu: add priv data to sched

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
9 years agodrm/amdgpu: add owner for sched fence
Chunming Zhou [Mon, 24 Aug 2015 04:47:36 +0000 (12:47 +0800)]
drm/amdgpu: add owner for sched fence

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
9 years agodrm/amdgpu: remove entity reference from sched fence
Christian König [Fri, 21 Aug 2015 13:18:47 +0000 (15:18 +0200)]
drm/amdgpu: remove entity reference from sched fence

Entity don't live as long as scheduler fences.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: fix and cleanup amd_sched_entity_push_job
Christian König [Thu, 20 Aug 2015 14:12:50 +0000 (16:12 +0200)]
drm/amdgpu: fix and cleanup amd_sched_entity_push_job

Calling schedule() is probably the worse things we can do.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove amdgpu_bo_list_clone
Christian König [Thu, 20 Aug 2015 15:36:28 +0000 (17:36 +0200)]
drm/amdgpu: remove amdgpu_bo_list_clone

Not used any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove the context from amdgpu_job
Christian König [Thu, 20 Aug 2015 15:35:34 +0000 (17:35 +0200)]
drm/amdgpu: remove the context from amdgpu_job

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove unused parameters to amd_sched_create
Christian König [Thu, 20 Aug 2015 15:24:40 +0000 (17:24 +0200)]
drm/amdgpu: remove unused parameters to amd_sched_create

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove sched_lock
Christian König [Thu, 20 Aug 2015 15:09:54 +0000 (17:09 +0200)]
drm/amdgpu: remove sched_lock

It isn't protecting anything.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove prepare_job callback
Christian König [Thu, 20 Aug 2015 15:08:25 +0000 (17:08 +0200)]
drm/amdgpu: remove prepare_job callback

Not used any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: cleanup a scheduler function name
Christian König [Thu, 20 Aug 2015 15:03:48 +0000 (17:03 +0200)]
drm/amdgpu: cleanup a scheduler function name

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: reorder scheduler functions
Christian König [Thu, 20 Aug 2015 15:01:01 +0000 (17:01 +0200)]
drm/amdgpu: reorder scheduler functions

Keep run queue, entity and scheduler handling together.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: fix scheduler thread creation error checking
Christian König [Thu, 20 Aug 2015 14:59:38 +0000 (16:59 +0200)]
drm/amdgpu: fix scheduler thread creation error checking

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: fix entity wakeup race condition
Christian König [Thu, 20 Aug 2015 12:47:46 +0000 (14:47 +0200)]
drm/amdgpu: fix entity wakeup race condition

That actually didn't worked at all.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: cleanup entity picking
Christian König [Wed, 19 Aug 2015 15:37:52 +0000 (17:37 +0200)]
drm/amdgpu: cleanup entity picking

Cleanup function name, stop checking scheduler ready twice, but
check if kernel thread should stop instead.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: remove some more unused entity members v2
Christian König [Wed, 19 Aug 2015 15:34:20 +0000 (17:34 +0200)]
drm/amdgpu: remove some more unused entity members v2

None of them are used any more.

v2: fix type in error message

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: fix user fences when scheduler is enabled
Christian König [Thu, 20 Aug 2015 15:28:36 +0000 (17:28 +0200)]
drm/amdgpu: fix user fences when scheduler is enabled

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
9 years agodrm/amdgpu: fix fence wait in sync_fence, instead should be in sync_rings
Christian König [Thu, 20 Aug 2015 06:47:40 +0000 (14:47 +0800)]
drm/amdgpu: fix fence wait in sync_fence, instead should be in sync_rings

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
9 years agodrm/amdgpu: rework scheduler submission handling.
Christian König [Wed, 19 Aug 2015 14:12:15 +0000 (16:12 +0200)]
drm/amdgpu: rework scheduler submission handling.

Remove active_hw_rq and it's protecting queue_lock, they are unused.

User 32bit atomic for hw_rq_count, 64bits for counting to three is a bit
overkill.

Cleanup the function name and remove incorrect comments.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
9 years agodrm/amdgpu: remove v_seq handling from the scheduler v2
Christian König [Wed, 19 Aug 2015 13:00:55 +0000 (15:00 +0200)]
drm/amdgpu: remove v_seq handling from the scheduler v2

Simply not used any more. Only keep 32bit atomic for fence sequence numbering.

v2: trivial rebase

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> (v1)
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
9 years agodrm/amdgpu: improve sa_bo->fence by kernel fence
Chunming Zhou [Wed, 19 Aug 2015 08:41:19 +0000 (16:41 +0800)]
drm/amdgpu: improve sa_bo->fence by kernel fence

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
9 years agodrm/amdgpu: modify amdgpu_fence_wait_any() to amdgpu_fence_wait_multiple()
Junwei Zhang [Wed, 19 Aug 2015 08:24:19 +0000 (16:24 +0800)]
drm/amdgpu: modify amdgpu_fence_wait_any() to amdgpu_fence_wait_multiple()

Rename the function and update the related code with this modified function.
Add the new parameter of bool wait_all.

If wait_all is true, it will return when all fences are signaled or timeout.
If wait_all is false, it will return when any fence is signaled or timeout.

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
9 years agodrm/amdgpu: fix IH ring allocation for bus addresses (v2)
Alex Deucher [Tue, 25 Aug 2015 02:46:13 +0000 (22:46 -0400)]
drm/amdgpu: fix IH ring allocation for bus addresses (v2)

Use pci_alloc_consistent rather than kzalloc since we
need 256 byte aligned memory for the ring buffer.

v2: fix copy paste typo in free function noticed
by Jammy.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=91749

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
9 years agoRevert "drm/atomic: Call ww_acquire_done after check phase is complete"
Dave Airlie [Tue, 25 Aug 2015 07:23:36 +0000 (17:23 +1000)]
Revert "drm/atomic: Call ww_acquire_done after check phase is complete"

This reverts commit 992cbf19b32900efa17850b9fa0031fd623edd4d.

Until we make fbdev layer atomic we can't call this.

Requested-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com?
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
9 years agoMerge tag 'v4.2-rc8' into drm-next
Dave Airlie [Mon, 24 Aug 2015 06:36:42 +0000 (16:36 +1000)]
Merge tag 'v4.2-rc8' into drm-next

Linux 4.2-rc8

Backmerge required for Intel so they can fix their -next tree up properly.

9 years agoLinux 4.2-rc8 v4.2-rc8
Linus Torvalds [Mon, 24 Aug 2015 03:52:59 +0000 (20:52 -0700)]
Linux 4.2-rc8

9 years agodrm/mgag200: Add support for a new rev of G200e
Mathieu Larouche [Fri, 21 Aug 2015 13:24:13 +0000 (09:24 -0400)]
drm/mgag200: Add support for a new rev of G200e

- Added PLL algorithm for a new rev of G200e
- Removed the bandwidth limitation for the new G200e

Signed-off-by: Mathieu Larouche <mathieu.larouche@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
9 years agodrm/mgag200: Add support for a new G200eW3 chipset
Mathieu Larouche [Fri, 21 Aug 2015 13:24:05 +0000 (09:24 -0400)]
drm/mgag200: Add support for a new G200eW3 chipset

- Added support for the new deviceID for G200eW3
- Added PLL algorithm for the G200eW3
- Added some initialization code for G200eW3

Signed-off-by: Mathieu Larouche <mathieu.larouche@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
9 years agoMerge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Linus Torvalds [Mon, 24 Aug 2015 03:46:22 +0000 (20:46 -0700)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "A couple of major (hang and deadlock) fixes with fortunately fairly
  rare triggering conditions.  The PM oops is only really triggered by
  people using enclosure services (rare) and the fnic driver is mostly
  used in enterprise environments"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  SCSI: Fix NULL pointer dereference in runtime PM
  fnic: Use the local variable instead of I/O flag to acquire io_req_lock in fnic_queuecommand() to avoid deadloack

9 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Linus Torvalds [Sun, 23 Aug 2015 14:23:09 +0000 (07:23 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus

Pull MIPS bug fixes from Ralf Baechle:
 "Two more fixes for 4.2.

  One fixes a build issue with the LLVM assembler - LLVM assembler macro
  names are case sensitive, GNU as macro names are insensitive; the
  other corrects a license string (GPL v2, not GPLv2) such that the
  module loader will recognice the license correctly"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  FIRMWARE: bcm47xx_nvram: Fix module license.
  MIPS: Fix LLVM build issue.

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Linus Torvalds [Sun, 23 Aug 2015 03:22:11 +0000 (20:22 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs

Pull 9p regression fix from Al Viro:
 "Fix for breakage introduced when switching p9_client_{read,write}() to
  struct iov_iter * (went into 4.1)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  9p: ensure err is initialized to 0 in p9_client_read/write

9 years ago9p: ensure err is initialized to 0 in p9_client_read/write
Vincent Bernat [Sat, 15 Aug 2015 13:49:13 +0000 (15:49 +0200)]
9p: ensure err is initialized to 0 in p9_client_read/write

Some use of those functions were providing unitialized values to those
functions. Notably, when reading 0 bytes from an empty file on a 9P
filesystem, the return code of read() was not 0.

Tested with this simple program:

    #include <assert.h>
    #include <sys/types.h>
    #include <sys/stat.h>
    #include <fcntl.h>
    #include <unistd.h>

    int main(int argc, const char **argv)
    {
        assert(argc == 2);
        char buffer[256];
        int fd = open(argv[1], O_RDONLY|O_NOCTTY);
        assert(fd >= 0);
        assert(read(fd, buffer, 0) == 0);
        return 0;
    }

Cc: stable@vger.kernel.org # v4.1
Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
9 years agoMerge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Linus Torvalds [Sat, 22 Aug 2015 22:48:04 +0000 (15:48 -0700)]
Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:
 "Another couple of small ARM fixes.

  A patch from Masahiro Yamada who noticed that "make -jN all zImage"
  would end up generating bad images where N > 1, and a patch from
  Nicolas to fix the Marvell CPU user access optimisation code when page
  faults are disabled"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8418/1: add boot image dependencies to not generate invalid images
  ARM: 8414/1: __copy_to_user_memcpy: fix mmap semaphore usage

9 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 22 Aug 2015 15:15:36 +0000 (08:15 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:
 "Various low level fixes: fix more fallout from the FPU rework and the
  asm entry code rework, plus an MSI rework fix, and an idle-tracing fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu/math-emu: Fix crash in fork()
  x86/fpu/math-emu: Fix math-emu boot crash
  x86/idle: Restore trace_cpu_idle to mwait_idle() calls
  x86/irq: Build correct vector mapping for multiple MSI interrupts
  Revert "sched/x86_64: Don't save flags on context switch"

9 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 22 Aug 2015 15:06:28 +0000 (08:06 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "Tooling fixes: a 'perf record' deadlock fix plus debuggability fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf top: Show backtrace when handling a SIGSEGV on --stdio mode
  perf tools: Fix buildid processing
  perf tools: Make fork event processing more resilient
  perf tools: Avoid deadlock when map_groups are broken

9 years agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 22 Aug 2015 14:45:36 +0000 (07:45 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "A series of small fixlets for a regression visible on OMAP devices
  caused by the conversion of the OMAP interrupt chips to hierarchical
  interrupt domains.  Mostly one liners on the driver side plus a small
  helper function in the core to avoid open coded mess in the drivers"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/crossbar: Restore set_wake functionality
  irqchip/crossbar: Restore the mask on suspend behaviour
  ARM: OMAP: wakeupgen: Restore the irq_set_type() mechanism
  irqchip/crossbar: Restore the irq_set_type() mechanism
  genirq: Introduce irq_chip_set_type_parent() helper
  genirq: Don't return ENOSYS in irq_chip_retrigger_hierarchy