Userspace should set the first 4 bits of drm_radeon_cs_reloc::flags to
a number from 0 to 15. The higher the number, the higher the priority,
which means a buffer with a higher number will be validated sooner.
The old behavior is preserved: Buffers used for write are prioritized over
read-only buffers if the userspace doesn't set the number.
v2: add buffers to buckets directly, then concatenate them
v3: use a stable sort
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
The statistics are:
- VRAM usage in bytes
- GTT usage in bytes
- number of bytes moved by TTM
The last one is actually a counter, so you need to sample it before and after
command submission and take the difference.
This is useful for finding performance bottlenecks. Userspace queries are
also added.
v2: use atomic64_t
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
When passing buffers between processes, the receiving process needs to know
the original buffer domain, so that it doesn't accidentally move the buffer.
v2: reserve the buffer
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Now that Christian fixed the performance problems with
the feedback buffer in mesa, we can enable variable UVD
clocks. There are multiple UVD power states associated
with different types and numbers of streams. This uses
the appropriate state based on that information rather
than always using the fastest UVD clocks which saves some
power. One possible downside is that this may adversely
affect decode benchmarks since these power states target
specific playback requirements rather than maximum
performance. If that becomes an issue, we can add a
sysfs attribute to force the max UVD state.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
We no longer need to take the ring lock while checking for
a gpu lockup, so just cleanup the code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Use atomics and jiffies_64, so that we don't need to have the
ring mutex locked any more and avoid wrap arounds.
v2: fix some checkpatch warnings
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Now that we disable audio while setting up the audio
hw, we should be able to set this up without hangs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Disable audio around audio hw setup. This may avoid
hangs on certain asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Properly clear the enable bit when audio disable is requested.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Need to free the uvd ring. Also reshuffle gart tear down to
happen after uvd tear down.
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Causes display problems. We had already disabled
sharing for non-DP displays.
Based on a patch from:
Niels Ole Salscheider <niels_ole@salscheider-online.de>
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=58121
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Otherwise we might get a crash here.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Print the supported functions mask in addition to
the version. This is useful in debugging PX
problems since we can see what functions are available.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
So this is the initial pull request for radeon drm-next 3.15. Highlights:
- VCE bringup including DPM support
- Few cleanups for the ring handling code
* 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux:
drm/radeon: cleanup false positive lockup handling
drm/radeon: drop radeon_ring_force_activity
drm/radeon: drop drivers copy of the rptr
drm/radeon/cik: enable/disable vce cg when encoding v2
drm/radeon: add support for vce 2.0 clock gating
drm/radeon/dpm: properly enable/disable vce when vce pg is enabled
drm/radeon/dpm: enable dynamic vce state switching v2
drm/radeon: add vce dpm support for KV/KB
drm/radeon: enable vce dpm on CI
drm/radeon: add vce dpm support for CI
drm/radeon: fill in set_vce_clocks for CIK asics
drm/radeon/dpm: fetch vce states from the vbios
drm/radeon/dpm: fill in some initial vce infrastructure
drm/radeon/dpm: move platform caps fetching to a separate function
drm/radeon: add callback for setting vce clocks
drm/radeon: add VCE version parsing and checking
drm/radeon: add VCE ring query
drm/radeon: initial VCE support v4
drm/radeon: fix CP semaphores on CIK
The CP semaphore queue on CIK has a bug that triggers if uncompleted
waits use the same address while a signal is still pending. Work around
this by using different addresses for each sync.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Static checkers complain that probably curly braces were intended here,
but actually it makes more sense to remove the extra tab.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Most laptops seems to have a vblank period of less than
300 and mclk switching works fine. Drop the quirk and
set the default threshold to 200.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=70701
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We were already storing the bpc (bits per color) information
in radeon_crtc, so just use that everywhere rather than
calculating it everywhere we use it. This also allows us
to change it in one place if we ever want to override it.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Check always when we calculate the free dw, not just the first time.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
The reason for the false positives was fixed quite some time ago and since
most engines can still execute NOPs while being locked up it leads to false
negatives.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
In all cases where it really matters we are using the read functions anyway.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Some of the vce clocks are automatic, others need to
be manually enabled. For ease, just disable cg when
vce is active.
v2: rebased
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The adds the appropriate function calls to properly re-init
vce before it's used after it has been power gated.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
enable vce states when vce is active. When vce is active,
it adjusts the currently selected state (performance, battery,
uvd, etc.)
v2: add code comments
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Only VCE 2.0 support so far.
v2: squashing multiple patches into this one
v3: add IRQ support for CIK, major cleanups,
basic code documentation
v4: remove HAINAN from chipset list
Signed-off-by: Christian König <christian.koenig@amd.com>
The CP semaphore queue on CIK has a bug that triggers if uncompleted
waits use the same address while a signal is still pending. Work around
this by using different addresses for each sync.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
If we take the false branch of the if quoted in the diff below, we
end up doing a return ret, without ever having initialized it.
Picked up by coverity.
Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
When we parse the power tables use the stored mac_vddc value
rather than lookig it up manually each time.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For btc and newer, we may modify the power state depending
on the circumstances. Use the modified state rather than
the base state.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
the evergreen CS parser has allowed this for a while, just port
the code to the r600 one.
This is required before geom shaders can be made work.
v2: agd5f: minor cleanup and add additional 7xx reg.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Pull drm updates from Dave Airlie:
"Been a bit busy, first week of kids school, and waiting on other trees
to go in before I could send this, so its a bit later than I'd
normally like.
Highlights:
- core:
timestamp fixes, lots of misc cleanups
- new drivers:
bochs virtual vga
- vmwgfx:
major overhaul for their nextgen virt gpu.
- i915:
runtime D3 on HSW, watermark fixes, power well work, fbc fixes,
bdw is no longer prelim.
- nouveau:
gk110/208 acceleration, more pm groundwork, old overlay support
- radeon:
dpm rework and clockgating for CIK, pci config reset, big endian
fixes
- tegra:
panel support and DSI support, build as module, prime.
- armada, omap, gma500, rcar, exynos, mgag200, cirrus, ast:
fixes
- msm:
hdmi support for mdp5"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (595 commits)
drm/nouveau: resume display if any later suspend bits fail
drm/nouveau: fix lock unbalance in nouveau_crtc_page_flip
drm/nouveau: implement hooks for needed for drm vblank timestamping support
drm/nouveau/disp: add a method to fetch info needed by drm vblank timestamping
drm/nv50: fill in crtc mode struct members from crtc_mode_fixup
drm/radeon/dce8: workaround for atom BlankCrtc table
drm/radeon/DCE4+: clear bios scratch dpms bit (v2)
drm/radeon: set si_notify_smc_display_change properly
drm/radeon: fix DAC interrupt handling on DCE5+
drm/radeon: clean up active vram sizing
drm/radeon: skip async dma init on r6xx
drm/radeon/runpm: don't runtime suspend non-PX cards
drm/radeon: add ring to fence trace functions
drm/radeon: add missing trace point
drm/radeon: fix VMID use tracking
drm: ast,cirrus,mgag200: use drm_can_sleep
drm/gma500: Lock struct_mutex around cursor updates
drm/i915: Fix the offset issue for the stolen GEM objects
DRM: armada: fix missing DRM_KMS_FB_HELPER select
drm/i915: Decouple GPU error reporting from ring initialisation
...
Some DCE8 boards have a funky BlankCrtc table that results
in a timeout when trying to blank the display. The
timeout is harmless (all operations needed from the table
are complete), but wastes time and is confusing to users so
work around it.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73420
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This is effectively a revert of 4573388c92.
Forcing a display active when there is none causes problems with
dpm on some SI boards which results in improperly initialized
dpm state and boot failures on some boards. As for the bug commit
4573388c92 tried to address, one can manually force the state to
high for better performance when using the card as a headless compute
node until a better fix is developed.
bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=73788https://bugs.freedesktop.org/show_bug.cgi?id=69395
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
cc: stable@vger.kernel.org
DCE5 and newer hardware only has 1 DAC. Use the correct
offset. This may fix display problems on certain board
configurations.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
If we are not able to properly initialize one of the gpu
engines for buffer paging, we limit vram to the size of
the cpu visible aperture. We generally either use the gfx
or dma engine to do this. Clean up the size limiting code
to only adjust the size based on what ring is selected
for buffer paging rather than making assumptions about which
engine is selected for paging.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
The hw is buggy and it's not currently used, but it's
currently still initialized by the driver. Skip the init.
Skipping init also seems to improve stability with dpm on
some r6xx asics.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=66963
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Prevent runtime suspend of non-PX GPUs. Runtime suspend is
not what we want in those cases.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Otherwise we allocate a new VMID on nearly every submit.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
- ACPI core changes to make it create a struct acpi_device object for every
device represented in the ACPI tables during all namespace scans regardless
of the current status of that device. In accordance with this, ACPI hotplug
operations will not delete those objects, unless the underlying ACPI tables
go away.
- On top of the above, new sysfs attribute for ACPI device objects allowing
user space to check device status by triggering the execution of _STA for
its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating the
PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the code
"glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for the
DBG2 and PCCT tables to ACPICA, fixes some bugs and improves debug
facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization earlier.
That should allow us to use ACPI during the timekeeping initialization
and possibly to simplify the EFI initialization too. From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over from
Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in drivers
that uses _DSM to execute it via the new helper. From Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun Guo,
Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava, Rashika Kheria,
Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support, from
Dirk Brandewie and intel_pstate documentation from Ramkumar Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John Tobias,
Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC disabled
during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente Kurusa,
Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a cpupower
tool cleanup from One Thousand Gnomes.
/
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Merge tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"As far as the number of commits goes, the top spot belongs to ACPI
this time with cpufreq in the second position and a handful of PM
core, PNP and cpuidle updates. They are fixes and cleanups mostly, as
usual, with a couple of new features in the mix.
The most visible change is probably that we will create struct
acpi_device objects (visible in sysfs) for all devices represented in
the ACPI tables regardless of their status and there will be a new
sysfs attribute under those objects allowing user space to check that
status via _STA.
Consequently, ACPI device eject or generally hot-removal will not
delete those objects, unless the table containing the corresponding
namespace nodes is unloaded, which is extremely rare. Also ACPI
container hotplug will be handled quite a bit differently and cpufreq
will support CPU boost ("turbo") generically and not only in the
acpi-cpufreq driver.
Specifics:
- ACPI core changes to make it create a struct acpi_device object for
every device represented in the ACPI tables during all namespace
scans regardless of the current status of that device. In
accordance with this, ACPI hotplug operations will not delete those
objects, unless the underlying ACPI tables go away.
- On top of the above, new sysfs attribute for ACPI device objects
allowing user space to check device status by triggering the
execution of _STA for its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating
the PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the
code "glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for
the DBG2 and PCCT tables to ACPICA, fixes some bugs and improves
debug facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization
earlier. That should allow us to use ACPI during the timekeeping
initialization and possibly to simplify the EFI initialization too.
From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over
from Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in
drivers that uses _DSM to execute it via the new helper. From
Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun
Guo, Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava,
Rashika Kheria, Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support,
from Dirk Brandewie and intel_pstate documentation from Ramkumar
Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz
Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark
Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John
Tobias, Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh
Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC
disabled during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf
Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente
Kurusa, Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a
cpupower tool cleanup from One Thousand Gnomes"
* tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (153 commits)
thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412)
cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ
Documentation: cpufreq / boost: Update BOOST documentation
cpufreq: exynos: Extend Exynos cpufreq driver to support boost
cpufreq / boost: Kconfig: Support for software-managed BOOST
acpi-cpufreq: Adjust the code to use the common boost attribute
cpufreq: Add boost frequency support in core
intel_pstate: Add trace point to report internal state.
cpufreq: introduce cpufreq_generic_get() routine
ARM: SA1100: Create dummy clk_get_rate() to avoid build failures
cpufreq: stats: create sysfs entries when cpufreq_stats is a module
cpufreq: stats: free table and remove sysfs entry in a single routine
cpufreq: stats: remove hotplug notifiers
cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly
cpufreq: speedstep: remove unused speedstep_get_state
platform: introduce OF style 'modalias' support for platform bus
PM / tools: new tool for suspend/resume performance optimization
ACPI: fix module autoloading for ACPI enumerated devices
ACPI: add module autoloading support for ACPI enumerated devices
ACPI: fix create_modalias() return value handling
...
Pull trivial tree updates from Jiri Kosina:
"Usual rocket science stuff from trivial.git"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
neighbour.h: fix comment
sched: Fix warning on make htmldocs caused by wait.h
slab: struct kmem_cache is protected by slab_mutex
doc: Fix typo in USB Gadget Documentation
of/Kconfig: Spelling s/one/once/
mkregtable: Fix sscanf handling
lp5523, lp8501: comment improvements
thermal: rcar: comment spelling
treewide: fix comments and printk msgs
IXP4xx: remove '1 &&' from a condition check in ixp4xx_restart()
Documentation: update /proc/uptime field description
Documentation: Fix size parameter for snprintf
arm: fix comment header and macro name
asm-generic: uaccess: Spelling s/a ny/any/
mtd: onenand: fix comment header
doc: driver-model/platform.txt: fix a typo
drivers: fix typo in DEVTMPFS_MOUNT Kconfig help text
doc: Fix typo (acces_process_vm -> access_process_vm)
treewide: Fix typos in printk
drivers/gpu/drm/qxl/Kconfig: reformat the help text
...
Here's the vblank timestamp pull request you wanted.
I addressed the few bugs that Mario pointed out and added
the r-bs.
As it has been a while since I made the changes, I gave it a
quick spin on a few different i915 machines. Fortunately
everything still seems to be fine.
* 'drm-vbl-timestamp' of git://gitorious.org/vsyrjala/linux:
drm/i915: Add a kludge for DSL incrementing too late and ISR not working
drm/radeon: Move the early vblank IRQ fixup to radeon_get_crtc_scanoutpos()
drm: Pass 'flags' from the caller to .get_scanout_position()
drm: Fix vblank timestamping constants for interlaced modes
drm/i915: Fix scanoutpos calculations for interlaced modes
drm: Change {pixel,line,frame}dur_ns from s64 to int
drm: Use crtc_clock in drm_calc_timestamping_constants()
drm/radeon: Populate crtc_clock in radeon_atom_get_tv_timings()
drm: Simplify the math in drm_calc_timestamping_constants()
drm: Improve drm_calc_timestamping_constants() documentation
drm/i915: Call drm_calc_timestamping_constants() earlier
drm/i915: Kill hwmode save/restore
drm: Pass the display mode to drm_calc_vbltimestamp_from_scanoutpos()
drm: Pass the display mode to drm_calc_timestamping_constants()
It seems this got dropped when we merged UVD support
last year. Add this back now.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
We need to set the engine bit to select the ME and
also set the full cache bit. Should help stability
on TN and cayman.
V2: fix up surface sync in ib execute as well
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Mclk switching doesn't seem to work reliably on these
cards. Most RV770 boards specify the same mclk for all
performance levels anyway so in most cases, this has
no affect.
Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73067
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
If the ss percentage is 0 or we are using external ss,
just bail when enabling ss. We disable it explicitly
earlier in the modeset already.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is needed for reporting the max GPU engine clock
in OpenCL. This just reports the max possible engine
clock, it does not take into account current conditions
that may limit that clock.
v2: fix query number for merge with 3.13
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
According to the DP 1.1 spec, the sink must power
up within 1ms. Noticed while reviewing Thierry's
drm/dp patches.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
As per the DP1.2 spec. Noticed while reviewing
Thierry's drm/dp patches. Also bump native aux
retries to 7 for consistency.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is the preferred flushing method on CIK.
Note, this only works on the PFP so the engine bit must be
set.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
i915 doesn't need this kludge for most platforms. Although we do
appear to need something similar on certain platforms, but we can
be more accurate when we apply the adjustment since we know exactly
why the scanline counter doesn't always quite match the vblank
status.
Also the current code doesn't handle interlaced modes correctly,
and we already deal with interlaced modes in i915 code.
So let's just move the current code to radeon_get_crtc_scanoutpos()
since that's why it was added. For i915 we'll add a more finely
targeted variant.
v2: Fix vpos vs. *vpos bug (Mario)
Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Preparation for moving the early vblank IRQ logic into
radeon_get_crtc_scanoutpos().
v2: Fix radeon_drv.c compile warning (Mario)
Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
crtc_clock is now supposed to be the actual pixel clock corresponding to
the other crtc_ timing values. Populate crtc_clock appropriately in
radeon_atom_get_tv_timings().
This was the only obvious place where we frob with the crtc_ timigns
directly instead of calling drm_mode_set_crtcinfo() which would also
update crtc_clock.
Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Rather than using crtc->hwmode, just pass the relevant mode to
drm_calc_vbltimestamp_from_scanoutpos(). This removes the last hwmode
usage from core drm.
Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
drm-intel-next-2014-01-10:
- final bits for runtime D3 on Haswell from Paul (now enabled fully)
- parse the backlight modulation freq information in the VBT from Jani
(but not yet used)
- more watermark improvements from Ville for ilk-ivb and bdw
- bugfixes for fastboot from Jesse
- watermark fix for i830M (but not yet everything)
- vlv vga hotplug w/a (Imre)
- piles of other small improvements, cleanups and fixes all over
Note that the pull request includes a backmerge of the last drm-fixes
pulled into Linus' tree - things where getting a bit too messy. So the
shortlog also contains a bunch of patches from Linus tree. Please yell if
you want me to frob it for you a bit.
* 'drm-intel-next' of git://people.freedesktop.org/~danvet/drm-intel: (609 commits)
drm/i915/bdw: make sure south port interrupts are enabled properly v2
drm/i915: Include more information in disabled hotplug interrupt warning
drm/i915: Only complain about a rogue hotplug IRQ after disabling
drm/i915: Only WARN about a stuck hotplug irq ONCE
drm/i915: s/hotplugt_status_gen4/hotplug_status_g4x/
* acpi-cleanup: (22 commits)
ACPI / tables: Return proper error codes from acpi_table_parse() and fix comment.
ACPI / tables: Check if id is NULL in acpi_table_parse()
ACPI / proc: Include appropriate header file in proc.c
ACPI / EC: Remove unused functions and add prototype declaration in internal.h
ACPI / dock: Include appropriate header file in dock.c
ACPI / PCI: Include appropriate header file in pci_link.c
ACPI / PCI: Include appropriate header file in pci_slot.c
ACPI / EC: Mark the function acpi_ec_add_debugfs() as static in ec_sys.c
ACPI / NVS: Include appropriate header file in nvs.c
ACPI / OSL: Mark the function acpi_table_checksum() as static
ACPI / processor: initialize a variable to silence compiler warning
ACPI / processor: use ACPI_COMPANION() to get ACPI device
ACPI: correct minor typos
ACPI / sleep: Drop redundant acpi_disabled check
ACPI / dock: Drop redundant acpi_disabled check
ACPI / table: Replace '1' with specific error return values
ACPI: remove trailing whitespace
ACPI / IBFT: Fix incorrect <acpi/acpi.h> inclusion in iSCSI boot firmware module
ACPI / i915: Fix incorrect <acpi/acpi.h> inclusions via <linux/acpi_io.h>
SFI / ACPI: Fix warnings reported during builds with W=1
...
Conflicts:
drivers/acpi/nvs.c
drivers/hwmon/asus_atk0110.c
If you feed the tool a suitable bogus register map you can break it
in arbitary (code executing) ways. While this isn't a particularly
exciting or probable attack vector we still ought to fix it.
One of a set of sscanf issues reported by Jackie Chang
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
pci config reset is a low level reset that resets
the entire chip from the bus interface. It can
be more reliable if soft reset fails.
v2: fix rebase
v3: hide behind module parameter
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
pci config reset is a low level reset that resets
the entire chip from the bus interface. It can
be more reliable if soft reset fails.
v2: hide behind module parameter
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
pci config reset is a low level reset that resets
the entire chip from the bus interface. It can
be more reliable if soft reset fails.
v2: put behind module parameter
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
pci config reset is a low level reset that resets
the entire chip from the bus interface. It can
be more reliable if soft reset fails.
There's not much information still available on
r6xx, so r6xx is based on guess-work.
v2: put behind module parameter
v3: add IGP check
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is used to hard reset the asic. If a soft
reset is not able to reset things, a hard reset
can be used.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enabling this parameter enables pci config reset,
aka hard reset, which is a bus level chip reset.
In some cases this works more reliably than a soft
reset. Disabled by default.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This fixes a bug which was causing rejections of valid GPU commands
from userspace.
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It's never allocated on systems without an ATOMBIOS or COMBIOS ROM.
Should fix an oops I encountered while resetting the GPU after a lockup
on my PowerBook with an RV350.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Move prototype declarations of functions radeon_get_encoder_enum() and
radeon_link_encoder_connector() to header file drm/radeon/radeon_mode.h
because they are used by more than one file.
This eliminates the following warnings in drm/radeon/radeon_encoders.c:
drivers/gpu/drm/radeon/radeon_encoders.c:86:1: warning: no previous prototype for ‘radeon_get_encoder_enum’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_encoders.c:162:1: warning: no previous prototype for ‘radeon_link_encoder_connector’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Move prototype declaration of functions radeon_add_atom_connector() and
radeon_add_legacy_connector() to header file drm/radeon/radeon_mode.h
because they are used by more than one file.
This eliminates the following warning in drm/radeon/radeon_connectors.c:
drivers/gpu/drm/radeon/radeon_connectors.c:1588:1: warning: no previous prototype for ‘radeon_add_atom_connector’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_connectors.c:2020:1: warning: no previous prototype for ‘radeon_add_legacy_connector’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
fixes warnings with -Wmissing-prototypes
Based on initial patches from Rashika Kheria.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Rashika Kheria <rashika.kheria@gmail.com>
Noticed by Rashika Kheria and cherry-picked from
her larger patch set.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Rashika Kheria <rashika.kheria@gmail.com>
Noticed by Rashika Kheria and cherry-picked from
her larger patch set.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Rashika Kheria <rashika.kheria@gmail.com>
Noticed by Rashika Kheria and cherry-picked from
her larger patch set.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Rashika Kheria <rashika.kheria@gmail.com>
Include header file drm/radeon/ci_dpm.h in drm/radeon/ci_smc.c because
it uses function declared in the header file.
This eliminates the following warnings in drm/radeon/ci_smc.c:
drivers/gpu/drm/radeon/ci_smc.c:46:5: warning: no previous prototype for ‘ci_copy_bytes_to_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:113:6: warning: no previous prototype for ‘ci_start_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:121:6: warning: no previous prototype for ‘ci_reset_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:129:5: warning: no previous prototype for ‘ci_program_jump_on_start’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:136:6: warning: no previous prototype for ‘ci_stop_smc_clock’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:145:6: warning: no previous prototype for ‘ci_start_smc_clock’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:154:6: warning: no previous prototype for ‘ci_is_smc_running’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:165:14: warning: no previous prototype for ‘ci_send_msg_to_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:186:14: warning: no previous prototype for ‘ci_wait_for_smc_inactive’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:204:5: warning: no previous prototype for ‘ci_load_smc_ucode’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:251:5: warning: no previous prototype for ‘ci_read_smc_sram_dword’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/ci_smc.c:266:5: warning: no previous prototype for ‘ci_write_smc_sram_dword’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Move prototype declaration of function radeon_atom_copy_swap() to header
file drm/radeon/radeon_mode.h because it is used by more than one file.
This eliminates the following warnings in drm/radeon/atombios_dp.c:
drivers/gpu/drm/radeon/atombios_dp.c:53:6: warning: no previous prototype for ‘radeon_atom_copy_swap’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Include header file gpu/drm/radeon/sislands_smc.h in drm/radeon/si_smc.c
because it uses function declared in the header file.
Remove prototype declaration of function si_set_smc_sram_address() from
drm/radeon/sislands_smc.h because the function is used only in one file
where it is declared static already.
This eliminates the following warnings in drm/radeon/si_smc.c:
drivers/gpu/drm/radeon/si_smc.c:46:5: warning: no previous prototype for ‘si_copy_bytes_to_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:112:6: warning: no previous prototype for ‘si_start_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:121:6: warning: no previous prototype for ‘si_reset_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:135:5: warning: no previous prototype for ‘si_program_jump_on_start’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:142:6: warning: no previous prototype for ‘si_stop_smc_clock’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:151:6: warning: no previous prototype for ‘si_start_smc_clock’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:160:6: warning: no previous prototype for ‘si_is_smc_running’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:171:14: warning: no previous prototype for ‘si_send_msg_to_smc’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:192:14: warning: no previous prototype for ‘si_wait_for_smc_inactive’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:210:5: warning: no previous prototype for ‘si_load_smc_ucode’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:269:5: warning: no previous prototype for ‘si_read_smc_sram_dword’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/si_smc.c:284:5: warning: no previous prototype for ‘si_write_smc_sram_dword’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add static keyword to the definition of KMS_INVALID_IOCTL(name) in
radeon_kms.c because the functions passed to it as arguments are not
used anywhere else.
This eliminates the following warnings in drm/radeon/radeon_kms.c:
drivers/gpu/drm/radeon/radeon_kms.c:719:1: warning: no previous prototype for ‘radeon_cp_init_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:720:1: warning: no previous prototype for ‘radeon_cp_start_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:721:1: warning: no previous prototype for ‘radeon_cp_stop_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:722:1: warning: no previous prototype for ‘radeon_cp_reset_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:723:1: warning: no previous prototype for ‘radeon_cp_idle_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:724:1: warning: no previous prototype for ‘radeon_cp_resume_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:725:1: warning: no previous prototype for ‘radeon_engine_reset_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:726:1: warning: no previous prototype for ‘radeon_fullscreen_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:727:1: warning: no previous prototype for ‘radeon_cp_swap_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:728:1: warning: no previous rototype for ‘radeon_cp_clear_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:729:1: warning: no previous prototype for ‘radeon_cp_vertex_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:730:1: warning: no previous rototype for ‘radeon_cp_indices_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:731:1: warning: no previous prototype for ‘radeon_cp_texture_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:732:1: warning: no previous prototype for ‘radeon_cp_stipple_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:733:1: warning: no previous prototype for ‘radeon_cp_indirect_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:734:1: warning: no previous prototype for ‘radeon_cp_vertex2_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:735:1: warning: no previous prototype for ‘radeon_cp_cmdbuf_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:736:1: warning: no previous prototype for ‘radeon_cp_getparam_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:737:1: warning: no previous prototype for ‘radeon_cp_flip_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:738:1: warning: no previous prototype for ‘radeon_mem_alloc_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:739:1: warning: no previous prototype for ‘radeon_mem_free_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:740:1: warning: no previous rototype for ‘radeon_mem_init_heap_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:741:1: warning: no previous rototype for ‘radeon_irq_emit_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:742:1: warning: no previous prototype for ‘radeon_irq_wait_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:743:1: warning: no previous rototype for ‘radeon_cp_setparam_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:744:1: warning: no previous prototype for ‘radeon_surface_alloc_kms’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_kms.c:745:1: warning: no previous prototype for ‘radeon_surface_free_kms’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Mark function r600_audio_set_dto() as static in drm/radeon/r600_hdmi.c
because it is not used outside this file.
This eliminates the following warning in drm/radeon/r600_hdmi.c:
drivers/gpu/drm/radeon/r600_hdmi.c:253:6: warning: no previous prototype for ‘r600_audio_set_dto’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Mark function radeon_gem_set_domain() as static in
drm/radeon/radeon_gem.c because it is not used outside this file.
This eliminates the following warning in drm/radeon/radeon_gem.c:
drivers/gpu/drm/radeon/radeon_gem.c:89:5: warning: no previous prototype for ‘radeon_gem_set_domain’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Mark function radeon_info_ioctl() as static in drm/radeon/radeon_kms.c
because it is not used outside this file.
This eliminates the following warning in drm/radeon/radeon_kms.c:
drivers/gpu/drm/radeon/radeon_kms.c:194:5: warning: no previous prototype for ‘radeon_info_ioctl’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Mark functions radeon_doorbell_init() and radeon_doorbell_fini() as
static in drm/radeon/radeon_device.c because they are not used outside
this file.
This eliminates the following warning in drm/radeon/radeon_device.c:
drivers/gpu/drm/radeon/radeon_device.c:252:5: warning: no previous prototype for ‘radeon_doorbell_init’ [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_device.c:281:6: warning: no previous prototype for ‘radeon_doorbell_fini’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Mark function radeon_bo_clear_va() as static in
drm/radeon/radeon_object.c because it is not used outside this file.
This eliminates the following warning in drm/radeon/radeon_object.c:
drivers/gpu/drm/radeon/radeon_object.c:49:6: warning: no previous prototype for ‘radeon_bo_clear_va’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The hw i2c engines are disabled by default as the
current implementation is still experimental. Print
a warning when users enable it so that it's obvious
when the option is enabled.
v2: check for non-0 rather than 1
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
- VGA switcheroo was broken for some users as a result of the ACPI-based
PCI hotplug (ACPIPHP) changes in 3.12, because some previously ignored
hotplug events started to be handled. The fix causes them to be
ignored again.
- There are two more issues related to cpufreq's suspend/resume handling
changes from the 3.12 cycle addressed by Viresh Kumar's fixes.
- intel_pstate triggers a divide error in a timer function if the P-state
information it needs is missing during initialization. This leads to
kernel panics on nested KVM clients and is fixed by failing the
initialization cleanly in those cases.
- PCI initalization code changes during the 3.9 cycle uncovered BIOS
issues related to ACPI wakeup notifications (some BIOSes send them
for devices that aren't supposed to support ACPI wakeup). Work around
them by installing an ACPI wakeup notify handler for all PCI devices
with ACPI support.
- The Calxeda cpuilde driver's probe function is tagged as __init, which
is incorrect and causes a section mismatch to occur during build. Fix
from Andre Przywara removes the __init tag from there.
- During the 3.12 cycle ACPIPHP started to print warnings about missing
_ADR for devices that legitimately don't have it. Fix from Toshi Kani
makes it only print the warnings where they make sense.
/
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Merge tag 'pm+acpi-3.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and PM fixes and new device IDs from Rafael Wysocki:
"These commits, except for one, are regression fixes and the remaining
one fixes a divide error leading to a kernel panic. The majority of
the regressions fixed here were introduced during the 3.12 cycle, one
of them is from this cycle and one is older.
Specifics:
- VGA switcheroo was broken for some users as a result of the
ACPI-based PCI hotplug (ACPIPHP) changes in 3.12, because some
previously ignored hotplug events started to be handled. The fix
causes them to be ignored again.
- There are two more issues related to cpufreq's suspend/resume
handling changes from the 3.12 cycle addressed by Viresh Kumar's
fixes.
- intel_pstate triggers a divide error in a timer function if the
P-state information it needs is missing during initialization.
This leads to kernel panics on nested KVM clients and is fixed by
failing the initialization cleanly in those cases.
- PCI initalization code changes during the 3.9 cycle uncovered BIOS
issues related to ACPI wakeup notifications (some BIOSes send them
for devices that aren't supposed to support ACPI wakeup). Work
around them by installing an ACPI wakeup notify handler for all PCI
devices with ACPI support.
- The Calxeda cpuilde driver's probe function is tagged as __init,
which is incorrect and causes a section mismatch to occur during
build. Fix from Andre Przywara removes the __init tag from there.
- During the 3.12 cycle ACPIPHP started to print warnings about
missing _ADR for devices that legitimately don't have it. Fix from
Toshi Kani makes it only print the warnings where they make sense"
* tag 'pm+acpi-3.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPIPHP / radeon / nouveau: Fix VGA switcheroo problem related to hotplug
intel_pstate: Fail initialization if P-state information is missing
ARM/cpuidle: remove __init tag from Calxeda cpuidle probe function
PCI / ACPI: Install wakeup notify handlers for all PCI devs with ACPI
cpufreq: preserve user_policy across suspend/resume
cpufreq: Clean up after a failing light-weight initialization
ACPI / PCI / hotplug: Avoid warning when _ADR not present
* acpi-pci-pm:
PCI / ACPI: Install wakeup notify handlers for all PCI devs with ACPI
* acpi-pci-hotplug:
ACPIPHP / radeon / nouveau: Fix VGA switcheroo problem related to hotplug
ACPI / PCI / hotplug: Avoid warning when _ADR not present
The changes in the ACPI-based PCI hotplug (ACPIPHP) subsystem made
during the 3.12 development cycle uncovered a problem with VGA
switcheroo that on some systems, when the device-specific method
(ATPX in the radeon case, _DSM in the nouveau case) is used to turn
off the discrete graphics, the BIOS generates ACPI hotplug events for
that device and those events cause ACPIPHP to attempt to remove the
device from the system (they are events for a device that was present
previously and is not present any more, so that's what should be done
according to the spec). Then, the system stops functioning correctly.
Since the hotplug events in question were simply silently ignored
previously, the least intrusive way to address that problem is to
make ACPIPHP ignore them again. For this purpose, introduce a new
ACPI device flag, no_hotplug, and modify ACPIPHP to ignore hotplug
events for PCI devices whose ACPI companions have that flag set.
Next, make the radeon and nouveau switcheroo detection code set the
no_hotplug flag for the discrete graphics' ACPI companion.
Fixes: bbd34fcdd1 (ACPI / hotplug / PCI: Register all devices under the given bridge)
References: https://bugzilla.kernel.org/show_bug.cgi?id=61891
References: https://bugzilla.kernel.org/show_bug.cgi?id=64891
Reported-and-tested-by: Mike Lothian <mike@fireburn.co.uk>
Reported-and-tested-by: <madcatx@atlas.cz>
Reported-and-tested-by: Joaquín Aramendía <samsagax@gmail.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 3.12+ <stable@vger.kernel.org> # 3.12+
Fill in asic family specific versions rather than
using the generic version. This lets us handle asic
specific differences more easily. In this case, we
disable sw swapping of the rtpr writeback value on
r6xx+ since the hw does it for us. Fixes bogus
rptr readback on BE systems.
v2: remove missed cpu_to_le32(), add comments
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enable coarse grained clockgating. This works properly now
that smc is initialized earlier than the rlc and cp.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enable coarse grained clockgating on CIK dGPUs. This
works properly now that smc is initialized earlier than
the rlc and cp.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We need more control over the ordering of dpm init with
respect to the rest of the asic. Specifically, the SMC
has to be initialized before the rlc and cg/pg. The pm
code currently initializes late in the driver, but we need
it to happen much earlier so move pm handling into the asic
specific callbacks.
This makes dpm more reliable and makes clockgating work
properly on CIK parts and should help on SI parts as well.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Right now it's called right after enable, but after
reworking the dpm init order, it will get called later
to accomodate loading the smc early, but enabling
thermal interrupts and block powergating later after
the ring tests are complete.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Make sure interrupts are enabled
before we enable thermal interrupts.
Also, don't powergate uvd, etc. until after
the ring tests.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Make sure interrupts are enabled
before we enable thermal interrupts.
Also, don't powergate uvd until after
the ring tests.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to wait to enable cg and pg until after
ring tests. Also make sure interrupts are enabled
before we enable thermal interrupts.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to wait to enable cg and pg until after
ring tests. Also make sure interrupts are enabled
before we enable thermal interrupts.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Certain features need to be enabled after ring tests
(e.g., powergating, etc.). Add a function pointer
to split out late enable features.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We need to reorder the driver init sequence to better accomodate
dpm which needs to be loaded earlier in the init sequence. Move
fw init up so that it's available for dpm init.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v2: add default_llseek
v3: set inode size in the open callback
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Not very fast, but makes it possible to access even the
normally inaccessible parts of VRAM from userspace.
v2: use MM_INDEX_HI for >2GB mem access, add default_llseek
v3: set inode size in the open callback
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise we not necessary export the right information.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
