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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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into drm-next
Here's the latest iteration of the universal planes work, which I believe is
finally ready for merging. Aside from the minor driver patches to use the
new drm_for_each_legacy_plane() macro for plane loops, these should all have
an r-b from Rob Clark now.
Actual userspace-visibility is currently hidden behind a
drm.universal_planes module parameter so that we can do some experimental
testing of this before flipping it on universally.
* 'primary-plane' of git://people.freedesktop.org/~robclark/linux:
drm/doc: Update plane documentation and add plane helper library
drm: Allow userspace to ask for universal plane list (v2)
drm: Remove unused drm_crtc->fb
drm: Replace crtc fb with primary plane fb (v3)
drm/msm: Switch to universal plane API's
drm: Add drm_crtc_init_with_planes() (v2)
drm: Add plane type property (v2)
drm: Add drm_universal_plane_init()
drm: Add primary plane helpers (v3)
drm: Make drm_crtc_check_viewport non-static
drm/shmobile: Restrict plane loops to only operate on legacy planes
drm/i915: Restrict plane loops to only operate on overlay planes (v2)
drm/exynos: Restrict plane loops to only operate on overlay planes (v2)
drm: Add support for multiple plane types (v2)
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This is the equivalent change in the crtc helpers as done to the i915
modeset infrastructure in
commit b0a2658acb5bf9ca86b4aab011b7106de3af0add
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Dec 18 09:37:54 2012 +0100
drm/i915: don't disable disconnected outputs
This was originally introduced to make encoder sharing on radone
easier for userspace, but:
- It is policy and as such belongs into userspace. E.g. personally I'm
fairly annoyed that a flaky cable results in permanent changes of
the desktop layout, so I'll kick out DEs which do this. Worse if the
kernel also tries to be clever.
- It's inconsistent: We only kill disconnected outputs on setCrtc
(which userspace might also call when just changing the
framebuffer), but not when e.g. we receive a hpd event or in the
output poll worker.
- It's unexpected behaviour for the userspace driver, at least in the
intel ddx we've had tons of bugs where the driver fell over and
killed the X session becuase pageflips/vblanks suddenly stopped
working. We've had to fix this by wrapping every single setCrtc int
a big "recover kms state from the kernel again" operation.
- It's suprising for the kernel, too: It took a few mails between Rob,
Matt and me for them to notice that little dragon wreaking havoc
with the universal plane framebuffer refcounting.
- Userspace can cope with it and e.g. Gnome already kills disconnected
outputs and reconfigures the desktop automatically. And since there
have been no regression reports for the i915 change from over 1 year
ago I think all other DEs are also ready.
Note that the lines removed in this patch go back to
commit a3a0544b2c84e1d7a2022b558ecf66d8c6a8dd93
Author: Dave Airlie <airlied@redhat.com>
Date: Mon Aug 31 15:16:30 2009 +1000
drm/kms: add explicit encoder disable function and detach harder.
Unfortunately the patch itself doesn't explain a hole lot about why it
was added ...
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This was introduced in
commit 25f397a429dfa43f22c278d0119a60a343aa568f
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Jul 19 18:57:11 2013 +0200
drm/crtc-helper: explicit DPMS on after modeset
but due to a bit of rebase fail on my side the patch actually merged
put one hunk on the wrong side of a break statement. Fix this up.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes a BUG_ON(bo->sync_obj != NULL); in ttm_bo_release_list.
Cc: stable@vger.kernel.org #v3.10+
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This should ensure we don't hit a locking problem when someone
wakes us up via a connector, we should never go into suspend
while the display is on anyways.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Userspace clients which wish to receive all DRM planes (primary and
cursor planes in addition to the traditional overlay planes) may set the
DRM_CLIENT_CAP_UNIVERSAL_PLANES capability.
v2: Hide behind drm.universal_planes module option [suggested by
Daniel Vetter]
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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Now that CRTC's have a primary plane, there's no need to track the
framebuffer in the CRTC. Replace all references to the CRTC fb with the
primary plane's fb.
This patch was generated by the Coccinelle semantic patching tool using
the following rules:
@@ struct drm_crtc C; @@
- (C).fb
+ C.primary->fb
@@ struct drm_crtc *C; @@
- (C)->fb
+ C->primary->fb
v3: Generate patch via coccinelle. Actual removal of crtc->fb has been
moved to a subsequent patch.
v2: Fixup several lingering crtc->fb instances that were missed in the
first patch iteration. [Rob Clark]
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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Use drm_universal_plane_init() and drm_crtc_init_with_planes() rather
than the legacy drm_plane_init() / drm_crtc_init(). This will ensure
that the proper primary plane is registered with the DRM (and eventually
exposed to userspace in future patches).
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Add a new drm_crtc_init_with_planes() to allow drivers to provide
specific primary and cursor planes at CRTC initialization. The existing
drm_crtc_init() interface remains to avoid driver churn in existing
drivers; it will initialize the CRTC with a plane helper-created primary
plane and no cursor plane.
v2:
- Move drm_crtc_init() to plane helper file so that nothing in the DRM
core depends on helpers. [suggested by Daniel Vetter]
- Keep cursor parameter to drm_crtc_init_with_planes() a void* until
we actually add cursor support. [suggested by Daniel Vetter]
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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Add a plane type property to allow userspace to distinguish plane types.
v2: Driver-specific churn eliminated now that drm_plane_init() and
drm_universal_plane_init() were separated out in a previous patch.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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Add a new plane initialization interface for universal plane support
that allows a specific plane type (primary, cursor, or overlay) to
be specified.
drm_plane_init() remains as a compatibility API to reduce churn in
existing drivers. The 'bool priv' parameter has been changed to
'bool is_primary' under the assumption that all existing uses of
private planes were representing primary planes.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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When we expose non-overlay planes to userspace, they will become
accessible via standard userspace plane API's. We should be able to
handle the standard plane operations against primary planes in a generic
way via the modeset handler.
Drivers that can program primary planes more efficiently, that want to
use their own primary plane structure to track additional information,
or that don't have the limitations assumed by the helpers are free to
provide their own implementation of some or all of these handlers.
v3: Tweak kerneldoc formatting slightly to avoid ugliness
v2:
- Move plane helpers to a new file (drm_plane_helper.c)
- Tighten checks on update handler (check for scaling, CRTC coverage,
subpixel positioning)
- Pass proper panning parameters to modeset interface
- Disallow disabling primary plane (and thus CRTC) if other planes are
still active on the CRTC.
- Use a minimal format list that should work on all hardware/drivers.
Drivers may call this function with a more accurate plane list to
enable additional formats they can support.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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This function will be used by the universal plane helpers and may also
be useful for individual drivers.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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Ensure that existing driver loops over all planes do not change behavior
when we begin adding new types of planes (primary and cursor) to the DRM
plane list in future patches.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
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Ensure that existing driver loops over all planes do not change behavior
when we begin adding new types of planes (primary and cursor) to the DRM
plane list in future patches.
v2: Switch to using drm_for_each_legacy_plane()
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
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Ensure that existing driver loops over all planes do not change behavior
when we begin adding new types of planes (primary and cursor) to the DRM
plane list in future patches.
v2: Switch to using drm_for_each_legacy_plane()
Cc: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
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The DRM core currently only tracks "overlay"-style planes. Start
refactoring the plane handling to allow other plane types (primary and
cursor) to also be placed on the DRM plane list.
v2: Add drm_for_each_legacy_plane() iterator to smooth transition
of drivers with plane loops.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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Signal availability of prime fd reference ioctls and render nodes.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Make sure only buffer objects that are referenced by the client can be mapped.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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A function to be used to check whether a caller has put a ref object
(opened) a struct ttm_base_object
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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If using legacy (non-prime) surface sharing, only allow surfaces
to be shared between clients with the same master. This will block
malicious clients from peeking at contents at surfaces from other
(possibly vt-switched) masters.
v2:
s/legacy_client/primary_client/
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Allow prime fds and at the same time block legacy handles for render-nodes
in the surface reference ioctls. This means these ioctls can be used
directly from prime-aware clients, and that they can be called from
render-nodes.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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These ioctls will anyway only succeed if the client previously opened
referenced the object. Furthermore, closing the client would implicitly
execute the same action. This prevents clients from blocking on UNREF if
their master dropped, and will allow masters to UNREF after dropping
master privileges.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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The following restrictions affect clients connecting using legacy nodes:
*) Masters that have dropped master privilieges are not considered
authenticated until they regain master privileges.
*) Clients whose master have dropped master privileges block interruptibly on
ioctls requiring authentication until their master regains master
privileges. If their master exits, they are killed.
This is primarily designed to prevent clients authenticated with one master to
access data from clients authenticated with another master.
(Think fast user-switching or data sniffers enabled while X is vt-switched).
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Don't use a per-master semaphore (ttm lock) for reservation protection, but
rather a per-device semaphore. This is needed since clients connecting using
render nodes aren't master aware.
The ttm lock used should probably be replaced with a reader-write semaphore
once the function down_xx_interruptible() is available.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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The master management was previously protected by the drm_device::struct_mutex.
In order to avoid locking order violations in a reworked dropped master
security check in the vmwgfx driver, break it out into a separate master_mutex.
Locking order is master_mutex -> struct_mutex.
Also remove drm_master::blocked since it's not used.
v2: Add an inline comment about what drm_device::master_mutex is protecting.
v3: Remove unneeded struct_mutex locks. Fix error returns in
drm_setmaster_ioctl().
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
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It doesn't appear to be used anywhere.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
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Add a drm_is_legacy() helper, constify argument to drm_is_render_client(),
and use / change helpers where appropriate.
v2: s/drm_is_legacy/drm_is_legacy_client/ and adapt to new code context.
v3: s/legacy_client/primary_client/
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Like for render-nodes, there is no point in maintaining the master concept
for control nodes, so set the struct drm_file::master pointer to NULL.
At the same time, make sure DRM_MASTER | DRM_CONTROL_ALLOW ioctls are always
allowed when called through the control node. Previously the caller also
needed to be master.
v2: Adapt to refactoring of ioctl permission check.
v3: Formatting of logical expression. Use drm_is_control_client() instead of
drm_is_control().
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
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Helps reviewing and understanding these checks.
v2: Remove misplaced newlines.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
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control- and render nodes are intended to be master-less.
v2: Replace tests for !legacy with tests for !mode_group for readability.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
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/ssd/git/drm-next/drivers/gpu/drm/i915/i915_cmd_parser.c: In function ‘i915_parse_cmds’:
/ssd/git/drm-next/drivers/gpu/drm/i915/i915_cmd_parser.c:405:4: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 5 has type ‘int’ [-Wformat=]
DRM_DEBUG_DRIVER("CMD: Command length exceeds batch length: 0x%08X length=%d batchlen=%ld\n",
^
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Right now a debug message looks like:
[drm:drm_ioctl], pid=860, dev=0xe200, auth=1, DRM_IOCTL_MODE_GETCRTC
That first comma looks weird as we already have ']' as a separator.
Remove it.
If anyone sees this commit message and also thinks that auth=1 isn't the
most useful info to have here, let's just say I'd happily review a patch
removing it. If I don't get annoyed enough to submit a patch, that is.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This is always DRM_NAME, so we can just make it part of the format
string instead of asking prink to do it for us.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The DRM_LOG* macros where the only sites where drm_ut_debug_printk was
called with NULL arguments for prefix and function_name. Now that they
are gone, we can remove that case.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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In the logging code, we are currently checking is we need to output in
drm_ut_debug_printk(). This is too late. The problem is that when we write
something like:
DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n",
connector->base.id,
drm_get_connector_name(connector),
connector->encoder->base.id,
drm_get_encoder_name(connector->encoder));
We start by evaluating the arguments (so call drm_get_connector_name() and
drm_get_connector_name()) before ending up in drm_ut_debug_printk() which will
then does nothing.
This means we execute a lot of instructions (drm_get_connector_name(), in turn,
calls snprintf() for example) to happily discard them in the normal case,
drm.debug=0.
So, let's put the test on drm_debug earlier, in the macros themselves.
Sprinkle an unlikely() as well for good measure.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There are only a few users of the DRM_LOG_KMS() macro. We can simplify
the DRM code a bit by replacing them by DRM_DEBUG_KMS().
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There are only a few users of the DRM_LOG_KMS() macro. We can simplify
the DRM code a bit by replacing them by DRM_DEBUG_KMS().
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There are only a few users of the DRM_LOG_KMS() macro. We can simplify
the DRM code a bit by replacing them by DRM_DEBUG_KMS().
Cc: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The recently added PTN3460 device driver uses interfaces that
are provided by the KMS helper infrastructure, so we should
explicitly select that to avoid this linker error:
ERROR: "drm_helper_probe_single_connector_modes" [drivers/gpu/drm/bridge/ptn3460.ko] undefined!
ERROR: "drm_helper_connector_dpms" [drivers/gpu/drm/bridge/ptn3460.ko] undefined!
We have to drop the I2C dependency to avoid a circular dependency
chain, but that's ok because DRM already selects I2C.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next
- first stage of (ongoing) gpu fault recovery work
- initial support for maxwell (binary driver fw needed)
- various random fixes across the board
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (87 commits)
drm/nouveau: fix missing newline
drm/nouveau/bios: fetch the vbios from PROM using only aligned 32-bit accesses
drm/nouveau/therm: let the vbios decide on the automatic fan management mode
drm/nvd7/therm: handle another kind of PWM fans
drm/nouveau/pm/fan: drop the fan lock in fan_update() before rescheduling
drm/nouveau: fix small thinko in vblank timestamping.
drm/nouveau/therm: check for sensor presence with requested mode, not current
drm/nouveau/disp/dp: allow 540MHz data rate
drm/nouveau: recognise higher link rate for available dp bw calculations
drm/nouveau/disp: limit dp capabilities as per dcb
drm/nva3/fbram: restrict training pattern setup to GT218
drm/nva3/devinit: restrict script access to some PFB regs
drm/nouveau/devinit: add interface to check if a mmio access by scripts is ok
drm/nouveau/bios: have strap reads show on devinit spam debug level
drm/nv50/gpio: fixup reset for gpios >= 16
drm/nv50/gpio: exclude sense value from mask when changing registers
drm/gk104/gr: therm magic needed on some kepler boards
drm/gm107/gr: initial support
drm/gf100-/gf: fix a stupid typo, waiting on wrong signal for mmctx
drm/nouveau/bios: parsing of some random table needed to bring up gr
...
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Add a missing newline at the end of a DRM_INFO message.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Other kind of accesses are unreliable on Kepler cards. As advised by NVIDIA,
let's only use 32-bit accesses to fetch the vbios from PROM.
This fixes vbios fetching on my nve7 which failed in certain specific
conditions.
I suggest we Cc stable, for all kernels they still maintain after the big
rewrite.
Suggested-by: Christian Zander <czander@nvidia.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This should fix automatic fan management on fermi cards who do not have
0x46 entries in the thermal table.
On my nve6, the blob sets the default linear range from 40°C to 100°C
but my nvcf's default values are 40°C to 85°C. Let's keep 85 as a default
for everyone.
Signed-off-by: Martin Peres <martin.peres@labri.fr>
Tested-by: Timothée Ravier <tim@siosm.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This should fix fan management on many nvd7+ chipsets.
Signed-off-by: Martin Peres <martin.peres@labri.fr>
Tested-by: Timothée Ravier <tim@siosm.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This should fix a deadlock that has been reported to us where fan_update()
would hold the fan lock and try to grab the alarm_program_lock to reschedule
an update. On an other CPU, the alarm_program_lock would have been taken
before calling fan_update(), leading to a deadlock.
We should Cc: <stable@vger.kernel.org> # 3.9+
Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Tested-by: Timothée Ravier <tim@siosm.fr>
Tested-by: Boris Fersing (IRC nick fersingb, no public email address)
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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*hpos horizontal scanout position doesn't need to be corrected
to count the pixels between hactive end and htotal negative.
That is only needed for *vpos to count lines until end of
vblank for the vblank timestamping.
Use hpos as is without correction.
Removes occassional spikes in timestamps of up to 1 scanline
duration, thereby improves accuracy to about +/- 2 usecs instead
of +/- 12 usecs, wrt. true onset time as measured with high
precision equipment on NV-A5.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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