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The DU outputs by default a composite sync signal (XOR of the horizontal
and vertical sync signals) on the HSYNC output pin. As this can confuse
devices and isn't needed by any of the supported encoders, configure the
HSYNC pin to output the horizontal sync signal.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The DU uses the module functional clock as the default pixel clock, but
supports using an externally supplied pixel clock instead. Support this
by adding the external pixel clock to the DT bindings, and selecting the
clock automatically at runtime based on the requested mode pixel
frequency.
The input clock pins to DU channels routing is configurable, but
currently hardcoded to connect input clock i to channel i.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Rename the feature from RCAR_DU_FEATURE_DEFR8 to
RCAR_DU_FEATURE_EXT_CTRL_REGS to cover all extended control registers in
addition to the DEFR8 register.
Usage of the feature is refactored to optimize runtime operation and
prepare for external clock support.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The rcar-du driver refuses connecting an LVDS output to an HDMI encoder.
There is not technical reason for that restriction, remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The PnMWR register containing the plane stride must be programmed with
correct stride values for both the luma and chroma planes when using a
multiplanar format. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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If an encoder fails to initialize the device can still be used without
the failed encoder. Don't propagate the error out of the probe function
but just skip the failed encoder.
As a special case a deferred probe request from the encoder is still
propagated out of the probe function in order not to break the deferred
probing mechanism.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The ADV7511 supports interlaced modes fine, there's no need to reject
them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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When compiling in module some symbol aren't missing,
export them correctly.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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http://git.linaro.org/people/benjamin.gaignard/kernel into drm-next
This series of patches fix various issues in STI drm driver.
Now HDMI i2c adapter could be selected in device tree
and plug detection doesn't use gpio anymore.
I also had fix some signal timing problems after testing the driver
on more hardware.
The remaining patches attemps to simplify the code and prepare
the next evolutions like DVO and auxiliary CRTC support
* 'drm-sti-next-2014-12-11' of http://git.linaro.org/people/benjamin.gaignard/kernel:
drm: sti: correctly cleanup CRTC and planes
drm: sti: add HQVDP plane
drm: sti: add cursor plane
drm: sti: enable auxiliary CRTC
drm: sti: fix delay in VTG programming
drm: sti: prepare sti_tvout to support auxiliary crtc
drm: sti: use drm_crtc_vblank_{on/off} instead of drm_vblank_{on/off}
drm: sti: fix hdmi avi infoframe
drm: sti: remove event lock while disabling vblank
drm: sti: simplify gdp code
drm: sti: clear all mixer control
drm: sti: remove gpio for HDMI hot plug detection
drm: sti: allow to change hdmi ddc i2c adapter
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git://anongit.freedesktop.org/drm-intel into drm-next
Here's a batch of i915 fixes for 3.19.
* tag 'drm-intel-next-fixes-2014-12-11' of git://anongit.freedesktop.org/drm-intel:
drm/i915: save/restore GMBUS freq across suspend/resume on gen4
drm/i915: Remove '& 0xffff' from the mask given to WA_REG()
drm/i915: Invert the mask and val arguments in wa_add() and WA_REG()
drm/i915/bdw: Fix the write setting up the WIZ hashing mode
drm/i915: Don't complain about stolen conflicts on gen3
drm/i915: resume MST after reading back hw state
drm/i915: Handle inaccurate time conversion issues
drm/i915: compute wait_ioctl timeout correctly
drm/i915: don't always do full mode sets when infoframes are enabled
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Should probably just init this in the GMbus code all the time, based on
the cdclk and HPLL like we do on newer platforms. Ville has code for
that in a rework branch, but until then we can fix this bug fairly
easily.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76301
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Nikolay <mar.kolya@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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When bind failed make sure that CRTC and planes are
completely clean up to avoid properties duplication.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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High Quality Video Data Plane is hardware IP dedicated
to video rendering. Compare to GPD (graphic planes) it
have better scaler capabilities.
HQVDP use VID layer to push data into hardware compositor
without going into DDR. From data flow point of view HQVDP
and VID are nested so HQVPD update/disable VID.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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stih407 SoC have a dedicated hardware cursor plane,
this patch enable it.
The hardware have a color look up table, fix it to
be able to use ARGB8888.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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For stih407 SoC enable the second mixer to get two CRTC.
Allow GPD planes and encoders to be connected to this new CRTC.
Cursor plane can only be set on first CRTC.
GPD clocks needed change the parent clock depending on which
CRTC GPD are used.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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The HDMI path introduce a delay of 6 pixels.
This delay should be take into account while programming
VTG for the HDMI. Without this delay, the HDMI active
window area is shift of 6 pixel on the right.
Set also timing for DVO output.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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Change some functions prototype to prepare the introduction of
auxiliary crtc. It will also help to have a DVO encoder.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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Make sure that vblank is enabled when crtc commit is call.
Replace drm_vblank_off() by drm_crtc_vblank_off()
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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The hardware expect to have the infoframe checksum in the first byte.
In consequence shift all infoframe on one byte.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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Stop use event_lock in vblank disable function.
This was creating a dead lock.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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Store the physical address at node creation time
to avoid use of virt_to_dma and dma_to_virt everywhere
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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Make sure that mixer control register is correctly reset
before use it.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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gpio used for HDMI hot plug detection is useless,
HDMI_STI register contains an hot plug detection status bit.
Fix binding documentation.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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Depending of the board configuration i2c for ddc could change,
this patch allow to use a phandle to specify which i2c controller to use.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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git://anongit.freedesktop.org/drm-intel into drm-next
Merge drm core fixes from Daniel.
* tag 'topic/core-stuff-2014-12-10' of git://anongit.freedesktop.org/drm-intel:
drm: Zero out DRM object memory upon cleanup
drm: fix a typo in a comment
drm: fix a word repetition in a comment
drm: Fix memory leak at error path of drm_read()
drm/Documentation: Fix rowspan value in drm-kms-properties
drm/edid: Restore kerneldoc consistency
drm/edid: new drm_edid_block_checksum helper function V3
drm/edid: shorten log output in case of all zeroes edid block
drm/edid: move drm_edid_is_zero to top, make edid argument const
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We may be hidding bugs by doing that, so let remove it and have the
actual mask value shine through, for better or worse.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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While trying to unify the order of those arguments throughout the
driver, Daniel noticed what we were inverting them in this part of the
code.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Drivers where the DRM objects have a lifetime that extends beyond that
of the DRM device need to zero out the DRM object memory to void stale
data such as properties. The DRM core code expects to operate on newly
allocated and zeroed out objects and will behave unexpectedly, such as
add duplicate properties, otherwise.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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I was playing with clang and oh surprise! a warning trigerred by
-Wshift-overflow (gcc doesn't have this one):
WA_SET_BIT_MASKED(GEN7_GT_MODE,
GEN6_WIZ_HASHING_MASK | GEN6_WIZ_HASHING_16x4);
drivers/gpu/drm/i915/intel_ringbuffer.c:786:2: warning: signed shift result
(0x28002000000) requires 43 bits to represent, but 'int' only has 32 bits
[-Wshift-overflow]
WA_SET_BIT_MASKED(GEN7_GT_MODE,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_ringbuffer.c:737:15: note: expanded from macro
'WA_SET_BIT_MASKED'
WA_REG(addr, _MASKED_BIT_ENABLE(mask), (mask) & 0xffff)
Turned out GEN6_WIZ_HASHING_MASK was already shifted by 16, and we were
trying to shift it a bit more.
The other thing is that it's not the usual case of setting WA bits here, we
need to have separate mask and value.
To fix this, I've introduced a new _MASKED_FIELD() macro that takes both the
(unshifted) mask and the desired value and the rest of the patch ripples
through from it.
This bug was introduced when reworking the WA emission in:
Commit 7225342ab501befdb64bcec76ded41f5897c0855
Author: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Tue Oct 7 17:21:26 2014 +0300
drm/i915: Build workaround list in ring initialization
v2: Invert the order of the mask and value arguments (Daniel Vetter)
Rewrite _MASKED_BIT_ENABLE() and _MASKED_BIT_DISABLE() with
_MASKED_FIELD() (Jani Nikula)
Make sure we only evaluate 'a' once in _MASKED_BIT_ENABLE() (Dave Gordon)
Add check to ensure the value is within the mask boundaries (Chris Wilson)
v3: Ensure the the value and mask are 16 bits (Dave Gordon)
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Apparently stuff works that way on those machines.
I agree with Chris' concern that this is a bit risky but imo worth a
shot in -next just for fun. Afaics all these machines have the pci
resources allocated like that by the BIOS, so I suspect that it's all
ok.
This regression goes back to
commit eaba1b8f3379b5d100bd146b9a41d28348bdfd09
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu Jul 4 12:28:35 2013 +0100
drm/i915: Verify that our stolen memory doesn't conflict
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76983
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71031
Tested-by: lu hua <huax.lu@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Paul Menzel <paulepanter@users.sourceforge.net>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Spotted while reviewing the DRM changes in Linux 3.18 for LinuxFR.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Spotted while reviewing the DRM changes in Linux 3.18 for LinuxFR.
CC: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This adds fbdev/con support for tiled monitors, so that we
only set a mode on the correct half of the monitor, or
span the two halves if needed.
v2: remove unneeded ERROR, fix | vs ||
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This takes the tiling info from the connector and
exposes it to userspace, as a blob object in a
connector property.
The contents of the blob is ABI.
v2: add property + function documentation.
v3: move property setup from previous patch.
add boilerplate + fix long line (Daniel)
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This creates a tile group from DisplayID block, and
stores the pieces of parsed info from the DisplayID block
into the connector.
v2: add missing signoff, add new connector bits to docs.
v3: remove some debugging.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Logical ports are never going to have EDID changes,
they are used for the internal ports on MST monitors.
We cache the EDIDs from these to save time at MST probe.
v2: drop misplace tile property line, meant for other patch.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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A tile group is an identifier shared by a single monitor,
DisplayID topology has 8 bytes we can use for this, just
use those for now until something else comes up in the
future. We assign these to an idr and use the idr to
tell userspace what connectors are in the same tile group.
DisplayID v1.3 says the serial number must be unique for
displays from the same manufacturer.
v2:
destroy idr (dvdhrm)
add docbook (danvet)
airlied:- not sure how to make docbook add fns to tile group section.
v3: fix missing unlock.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When we unplug a dp mst branch we unreference the entire tree from
the root towards the leaves. Which is ok, since that's the way the
pointers and so also the refcounts go.
But when we drop the reference we must make sure that we remove the
branches/ports from the lists/pointers before dropping the reference.
Otherwise the get_validated functions will still return it instead
of returning NULL (which indicates a potentially on-going unplug).
The mst branch destroy gets this right for ports: First it deletes
the port from the ports list, then it unrefs. But the ports destroy
function gets it wrong: First it unrefs, then it drops the ref. Which
means a zombie mst branch can still be validate with get_validated_mstb_ref
when it shouldn't.
Fix this.
This should address a backtrace Dave dug out somewhere on unplug:
[<ffffffffa00cc262>] drm_dp_mst_get_validated_mstb_ref_locked+0x92/0xa0 [drm_kms_helper]
[<ffffffffa00cc211>] drm_dp_mst_get_validated_mstb_ref_locked+0x41/0xa0 [drm_kms_helper]
[<ffffffffa00cc2aa>] drm_dp_get_validated_mstb_ref+0x3a/0x60 [drm_kms_helper]
[<ffffffffa00cc2fb>] drm_dp_payload_send_msg.isra.14+0x2b/0x100 [drm_kms_helper]
[<ffffffffa00cc547>] drm_dp_update_payload_part1+0x177/0x360 [drm_kms_helper]
[<ffffffffa015c52e>] intel_mst_disable_dp+0x3e/0x80 [i915]
[<ffffffffa013d60b>] haswell_crtc_disable+0x1cb/0x340 [i915]
[<ffffffffa0136739>] intel_crtc_control+0x49/0x100 [i915]
[<ffffffffa0136857>] intel_crtc_update_dpms+0x67/0x80 [i915]
[<ffffffffa013fa59>] intel_connector_dpms+0x59/0x70 [i915]
[<ffffffffa015c752>] intel_dp_destroy_mst_connector+0x32/0xc0 [i915]
[<ffffffffa00cb44b>] drm_dp_destroy_port+0x6b/0xa0 [drm_kms_helper]
[<ffffffffa00cb588>] drm_dp_destroy_mst_branch_device+0x108/0x130 [drm_kms_helper]
[<ffffffffa00cb3cd>] drm_dp_port_teardown_pdt+0x3d/0x50 [drm_kms_helper]
[<ffffffffa00cdb79>] drm_dp_mst_handle_up_req+0x499/0x540 [drm_kms_helper]
[<ffffffff810d9ead>] ? trace_hardirqs_on_caller+0x15d/0x200 [<ffffffffa00cdc73>]
drm_dp_mst_hpd_irq+0x53/0xa00 [drm_kms_helper] [<ffffffffa00c7dfb>]
? drm_dp_dpcd_read+0x1b/0x20 [drm_kms_helper] [<ffffffffa0153ed8>]
? intel_dp_dpcd_read_wake+0x38/0x70 [i915] [<ffffffffa015a225>]
intel_dp_check_mst_status+0xb5/0x250 [i915] [<ffffffffa015ac71>]
intel_dp_hpd_pulse+0x181/0x210 [i915] [<ffffffffa01104f6>]
i915_digport_work_func+0x96/0x120 [i915]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On MST systems the monitors don't appear when we set the fb up,
but plymouth opens the drm device and holds it open while they
come up, when plymouth finishes and lastclose gets called we
don't do the delayed fb probe, so the monitor never appears on the
console.
Fix this by moving the delayed checking into the mode restore.
v2: Daniel suggested that ->delayed_hotplug is set under
the mode_config mutex, so we should check it under that as
well, while we are in the area.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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At least on two MST devices I've tested with, when
they are link training downstream, they are totally
unable to handle aux ch msgs, so they defer like nuts.
I tried 16, it wasn't enough, 32 seems better.
This fixes one Dell 4k monitor and one of the
MST hubs.
v1.1: fixup comment (Tom).
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Otherwise the MST resume paths can hit DPMS paths
which hit state checker paths, which hit WARN_ON,
because the state checker is inconsistent with the
hw.
This fixes a bunch of WARN_ON's on resume after
undocking.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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https://github.com/markyzq/kernel-drm-rockchip into drm-next
Merge rockchip GPU support.
This has a branch in common with the iommu tree, hopefully the
process works.
* 'drm_iommu_v15' of https://github.com/markyzq/kernel-drm-rockchip:
dt-bindings: video: Add documentation for rockchip vop
dt-bindings: video: Add for rockchip display subsytem
drm: rockchip: Add basic drm driver
dt-bindings: iommu: Add documentation for rockchip iommu
iommu/rockchip: rk3288 iommu driver
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git://people.freedesktop.org/~gabbayo/linux into drm-next
As discussed on irc, I'm sending a pull request with one important change:
- Disable support for 32-bit user processes. This is done due to AMD's decision
to remove support for 32-bit user processes on Linux for its HSA stack.
* 'amdkfd-next-3.19' of git://people.freedesktop.org/~gabbayo/linux:
amdkfd: Disable support for 32-bit user processes
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Linux 3.18
Backmerge Linus tree into -next as we had conflicts in i915/radeon/nouveau,
and everyone was solving them individually.
* tag 'v3.18': (57 commits)
Linux 3.18
watchdog: s3c2410_wdt: Fix the mask bit offset for Exynos7
uapi: fix to export linux/vm_sockets.h
i2c: cadence: Set the hardware time-out register to maximum value
i2c: davinci: generate STP always when NACK is received
ahci: disable MSI on SAMSUNG 0xa800 SSD
context_tracking: Restore previous state in schedule_user
slab: fix nodeid bounds check for non-contiguous node IDs
lib/genalloc.c: export devm_gen_pool_create() for modules
mm: fix anon_vma_clone() error treatment
mm: fix swapoff hang after page migration and fork
fat: fix oops on corrupted vfat fs
ipc/sem.c: fully initialize sem_array before making it visible
drivers/input/evdev.c: don't kfree() a vmalloc address
cxgb4: Fill in supported link mode for SFP modules
xen-netfront: Remove BUGs on paged skb data which crosses a page boundary
mm/vmpressure.c: fix race in vmpressure_work_fn()
mm: frontswap: invalidate expired data on a dup-store failure
mm: do not overwrite reserved pages counter at show_mem()
drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6
...
Conflicts:
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/nouveau/nouveau_drm.c
drivers/gpu/drm/radeon/radeon_cs.c
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This patch checks if the process that opens the /dev/kfd device is 32-bit
process. If so, it returns -EPERM and prints a warning message in dmesg.
This is done to prevent 32-bit user processes from using amdkfd, and hence, HSA
features.
AMD's HSA userspace stack will also support only 64-bit processes on Linux.
Reviewed-by: Alexey Skidanov <alexey.skidanov@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
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So apparently jiffies<->nsec<->ktime isn't accurate or something. At
elast if we timeout there's occasionally still a few hundred us left
(in a 2 second timeout).
Stuff I've tried and thrown out again:
- Sampling the before timestamp before jiffies. Doesn't improve test
path rate at all.
- Using jiffies. Way to inaccurate, which means way too much drift
with signals plus automatic ioctl restarting in userspace. In
hindsight we should have used an absolute timeout, but hey we need
something for v3 of the i915 gem wait interfaces ;-)
- Trying to figure out where accuracy gets lost. gl testcase really
don't care all that much about this (as long as isn't not massively
off), it's just that the testcase gets a bit upset if it receives an
EITME with timeout > 0.
So as long as we're in the ballbark it's good enough. So patch
everything up if we're at most one jiffies off. I get's me a solid
test again.
This regression is probably introduced in
commit 5ed0bdf21a85d78e04f89f15ccf227562177cbd9
Author: Thomas Gleixner <tglx@linutronix.de>
Date: Wed Jul 16 21:05:06 2014 +0000
drm: i915: Use nsec based interfaces
Use ktime_get_raw_ns() and get rid of the back and forth timespec
conversions.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Probably because I'm too lazy to confirm myself and still waiting for
QA ;-)
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82749
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We've lost the +1 required for correct timeouts in
commit 5ed0bdf21a85d78e04f89f15ccf227562177cbd9
Author: Thomas Gleixner <tglx@linutronix.de>
Date: Wed Jul 16 21:05:06 2014 +0000
drm: i915: Use nsec based interfaces
Use ktime_get_raw_ns() and get rid of the back and forth timespec
conversions.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: John Stultz <john.stultz@linaro.org>
So fix this up by reinstating our handrolled _timeout function. While
at it bother with handling MAX_JIFFIES.
v2: Convert to usecs (we don't care about the accuracy anyway) first
to avoid overflow issues Dave Gordon spotted.
v3: Drop the explicit MAX_JIFFY_OFFSET check, usecs_to_jiffies should
take care of that already. It might be a bit too enthusiastic about it
though.
v4: Chris has a much nicer color, so use his implementation.
This requires to export nsec_to_jiffies from time.c.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Gordon <david.s.gordon@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82749
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Partial revert of
commit 206645910b9796bff13fcdb67bdca166b724ba62
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Wed Nov 5 14:26:09 2014 -0800
drm/i915: check for audio and infoframe changes across mode sets v2
References: https://bugs.freedesktop.org/show_bug.cgi?id=86683
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Li Xu <li.l.xu@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Silence some pch fifo underrun reports and panel locking backtraces,
both cc: stable.
* tag 'drm-intel-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Unlock panel even when LVDS is disabled
drm/i915: More cautious with pch fifo underruns
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git://anongit.freedesktop.org/drm-intel into drm-next
Fixes for 3.20. I did stick the gen3/4 reset work from Ville in because we
have an awful lot of gen4 mesa hangs, and with this reset should also work
on vintage i965g/gm (we already have reset for g4x/gen4.5). So should help
to appease users suffering from these hangs. Otherwise all over.
This is the last 3.20 pull from me, from here on Jani will take over. By Ville Syrjälä (8) and others
* tag 'drm-intel-next-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Reject modeset when the same digital port is used more than once
drm/i915: mask RPS IRQs properly when disabling RPS
drm/i915: Tune down spurious CRC interrupt warning
drm/i915: Fix context object leak for legacy contexts
drm/i915/skl: Update in Gen9 multi-engine forcewake range
drm/i915/eDP: When enabling panel VDD cancel pending disable worker
drm/i915: Handle runtime pm in the CRC setup code
drm/i915: Disable crtcs gracefully before GPU reset on gen3/4
drm/i915: Grab modeset locks for GPU rest on pre-ctg
drm/i915: Implement GPU reset for g33
drm/i915: Implement GPU reset for 915/945
drm/i915: Restore the display config after a GPU reset on gen4
drm/i915: Fix gen4 GPU reset
drm/i915: Stop gathering error states for CS error interrupts
drm/i915: Disallow pin ioctl completely for kms drivers
drm/i915: Only warn the first time we attempt to mmio whilst suspended
drm/i915/chv: Enable AVI, SPD and HDMI infoframes for CHV.
drm/i915: Don't clobber crtc->new_config when nothing changes
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