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Move the engine stalled/pardoned check into a helper function.
Cc: Chris Wilson <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Signed-off-by: Mika Kuoppala <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Chris Wilson <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
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Since we now only skip banned contexts, preventing the skip of default
contexts is no longer sensible. For a similar argument as before
'commit 7ec73b7e36d0 ("drm/i915: Only skip requests once a context is banned")'
we end up with an inconsistent API if we only mark future execbufs from
the default ctx as banned but fail to mark those currently executing
as failed.
Cc: Chris Wilson <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Signed-off-by: Mika Kuoppala <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Chris Wilson <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
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Add a new function for skipping all pending requests
for a context in order to make engine reset flow more
readable.
Cc: Chris Wilson <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Signed-off-by: Mika Kuoppala <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Chris Wilson <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
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Now that we have prepare/finish routines for the GEM reset, move the
disabling of the engine->irq_tasklet into them to reduce repetition. The
device irq enable/disable is split out to ensure it is run first and
last always (even if the GPU reset fails).
Signed-off-by: Chris Wilson <[email protected]>
Cc: Mika Kuoppala <[email protected]>
Reviewed-by: Mika Kuoppala <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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drivers/gpu/drm/i915/intel_psr.c:634 hsw_psr_disable() warn: if statement not indented
drivers/gpu/drm/i915/intel_psr.c:644 hsw_psr_disable() warn: if statement not indented
Fixes: 3fcb0ca1d8db ("drm/i915/psr: fix blank screen issue for psr2")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Jim Bride <[email protected]>
Cc: Vathsala Nagaraju <[email protected]>
Cc: Patil Deepti <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Rodrigo Vivi <[email protected]>
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Appease both the poor reader and the compiler by rewriting the string
lookup for EDP_PSR2_STATUS_CTL:
drivers/gpu/drm/i915/i915_debugfs.c:2662 i915_edp_psr_status() warn: if statement not indented
Fixes: 6ba1f9e1772f ("drm/i915/psr: report live PSR2 State")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Jim Bride <[email protected]>
Cc: Vathsala Nagaraju <[email protected]>
Cc: Patil Deepti <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Rodrigo Vivi <[email protected]>
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HuC firmware css header has almost exactly same definition as GuC
firmware except for the sw_version. Also, add a new member fw_type
into intel_uc_fw to indicate what kind of fw it is. So, the loader
will pull right sw_version from header.
v2: rebased on-top of drm-intel-nightly
v3: rebased. Rename device_id to guc_branch_client_version,
make guc_sw_version a union. <Jeff Mcgee>. Put UC_FW_TYPE_GUC
and UC_FW_TYPE_HUC into an enum.
v4: rebased on top of drm-tip.Update dev to dev_priv in
intel_uc_fw_fetch.
v5: rebased. Add INTEL_ prefix to an enum. Add fw_type declaration
from patch 1.Combine two different unions for huc and guc version,
reserved etc into one union with two structs.
v6: rebased. Change fw_type to enum.
v7: rebased. Rename the enum fw_type to intel_uc_fw_type.
Cc: Michal Wajdeczko <[email protected]>
Tested-by: Xiang Haihao <[email protected]>
Signed-off-by: Anusha Srivatsa <[email protected]>
Signed-off-by: Alex Dai <[email protected]>
Signed-off-by: Peter Antoine <[email protected]>
Reviewed-by: Arkadiusz Hiler <[email protected]>
Reviewed-by: Michal Wajdeczko <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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Rename some of the GuC fw loading code to make them more general. We
will utilise them for HuC loading as well.
s/intel_guc_fw/intel_uc_fw/g
s/GUC_FIRMWARE/INTEL_UC_FIRMWARE/g
Struct intel_guc_fw is renamed to intel_uc_fw. Prefix of tts members,
such as 'guc' or 'guc_fw' either is renamed to 'uc' or removed for
same purpose.
v2: rebased on top of nightly.
reapplied the search/replace as upstream code as changed.
v3: removed G from messages in shared fw fetch function.
v4: rebased.Updated dev to dev_priv in intel_guc_setup(), guc_fw_getch()
and intel_guc_init().
v5: rebased. Remove uint32_t fw_type to patch 2. Add INTEL_ prefix for
fields in enum intel_uc_fw_status. Remove uc_dev field since its never
used.Rename uc_fw to just fw and guc_fw to fw to avoid redundency.
v6: rebased. Remove sections of code that were commented and no longer
required.
v7: rebased. Remove uc_fw_ prefix from path and obj fields
in intel_uc_fw struct as suggested by Michal.
v8: rebased. Add declaration of intel_guc_wopcm_size() in
this patch instead of patch 3.
Cc: Michal Wajdeczko <[email protected]>
Cc: Arkadiusz Hiler <[email protected]>
Signed-off-by: Anusha Srivatsa <[email protected]>
Signed-off-by: Alex Dai <[email protected]>
Signed-off-by: Peter Antoine <[email protected]>
Reviewed-by: Arkadiusz Hiler <[email protected]>
Reviewed-by: Michal Wajdeczko <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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Functions supporting GuC logging capabilities were spread across
many files, with unnecessary exposures and mixed with unrelated
code. Dedicate file will make maintenance of all GuC functions
easier as more functions are coming to support GuC submissions.
Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Chris Wilson <[email protected]>
Reviewed-by: Arkadiusz Hiler <[email protected]>
Signed-off-by: Tvrtko Ursulin <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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SIER and SIAR are not updated correctly for some samples, so force the
use of MSR and regs->nip instead for misc_flag updates. This is done by
adding a new ppmu flag and updating the use_siar logic in
perf_read_regs() to use it, and dropping the PPMU_HAS_SIER flag.
Signed-off-by: Madhavan Srinivasan <[email protected]>
[mpe: Rename flag to PPMU_NO_SIAR, and also drop PPMU_HAS_SIER]
Signed-off-by: Michael Ellerman <[email protected]>
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Test uses PMC2 to count the event. But PMC1 is being initialized.
Patch to fix it.
Fixes: 3752e453f6ba ('selftests/powerpc: Add tests of PMU EBBs')
Signed-off-by: Madhavan Srinivasan <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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We give up recovery on permanent error, simply shutdown the affected
devices and remove them. If the devices can't be put into quiet state,
they spew more traffic that is likely to cause another unexpected EEH
error. This was observed on "p8dtu2u" machine:
0002:00:00.0 PCI bridge: IBM Device 03dc
0002:01:00.0 Ethernet controller: Intel Corporation \
Ethernet Controller X710/X557-AT 10GBASE-T (rev 02)
0002:01:00.1 Ethernet controller: Intel Corporation \
Ethernet Controller X710/X557-AT 10GBASE-T (rev 02)
0002:01:00.2 Ethernet controller: Intel Corporation \
Ethernet Controller X710/X557-AT 10GBASE-T (rev 02)
0002:01:00.3 Ethernet controller: Intel Corporation \
Ethernet Controller X710/X557-AT 10GBASE-T (rev 02)
On P8 PowerNV platform, the IO path is frozen when shutdowning the
devices, meaning the memory registers are inaccessible. It is why
the devices can't be put into quiet state before removing them.
This fixes the issue by enabling IO path prior to putting the devices
into quiet state.
Reported-by: Pridhiviraj Paidipeddi <[email protected]>
Signed-off-by: Gavin Shan <[email protected]>
Acked-by: Russell Currey <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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Make it clear that the core bridge/dw_hdmi.txt document isn't a device
tree binding by itself but is meant to be referenced by platform device
tree bindings, and update the Rockchip and Freescale DWC HDMI TX
bindings to reference it.
Signed-off-by: Laurent Pinchart <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-21-laurent.pinchart+renesas@ideasonboard.com
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According to the PHY IP core vendor, the SVSRET signal must be asserted
before resetting the PHY. Tests on RK3288 and R-Car Gen3 showed no
regression, the change should thus be safe.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-20-laurent.pinchart+renesas@ideasonboard.com
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The PHY reset signal is controlled by bit PHYRSTZ in the MC_PHYRSTZ
register. The signal is active low on Gen1 PHYs and active high on Gen2
PHYs. The driver toggles the signal high then low, which is correct for
all currently supported platforms, but the register values macros are
incorrectly named. Replace them with a single macro named after the bit,
and add a comment to the source code to explain the behaviour.
The driver's behaviour isn't changed by this rename, the code will still
need to be fixed to support Gen1 PHYs.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-19-laurent.pinchart+renesas@ideasonboard.com
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Replace the hardcoded register address numerical values with macros to
clarify the code.
This change has been tested by comparing the assembly code before and
after the change.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-18-laurent.pinchart+renesas@ideasonboard.com
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Detect the PHY type and use it to handle the PHY type-specific SVSRET
signal.
Signed-off-by: Laurent Pinchart <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-17-laurent.pinchart+renesas@ideasonboard.com
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Use the device version queried at runtime instead of the device type
provided through platform data to handle the overflow workaround. This
will make support of other SoCs integrating the same HDMI TX controller
version easier.
Among the supported platforms only i.MX6DL and i.MX6Q have been
identified as needing the workaround. Disabling it on Rockchip RK3288
(which integrates a v2.00a controller) didn't produce any error or
artifact.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-16-laurent.pinchart+renesas@ideasonboard.com
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Bit 0 in CONFIG1_ID tells whether the IP core uses an AHB slave
interface for control. The correct way to identify AHB audio DMA support
is through bit 1 in CONFIG3_ID.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-15-laurent.pinchart+renesas@ideasonboard.com
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The DWC HDMI TX can be recognized by the two product identification
registers. If the registers don't read as expect the IP will be very
different than what the driver has been designed for, or will be
misconfigured in a way that makes it non-operational (invalid memory
address, incorrect clocks, ...). We should reject this situation with an
error.
While this isn't critical for proper operation with supported IPs at the
moment, the driver will soon gain automatic device-specific handling
based on runtime device identification. This change makes it easier to
implement that without having to default to a random guess in case the
device can't be identified.
While at it print a readable version number in the device identification
message instead of raw register values.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-14-laurent.pinchart+renesas@ideasonboard.com
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The bit is documented in a Rockchip BSP as
#define m_SVSRET_SIG (1 << 5) /* depend on PHY_MHL_COMB0=1 */
This is confirmed by a Renesas platform, which uses a 2.0 DWC HDMI TX as
the RK3288. Rename the bit accordingly.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-13-laurent.pinchart+renesas@ideasonboard.com
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The current code hard codes the call of hdmi_phy_configure() to be 8bpp
and provides extraneous error checking to verify that this hardcoded
value is correct. Simplify the implementation by removing the argument.
Signed-off-by: Kieran Bingham <[email protected]>
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-12-laurent.pinchart+renesas@ideasonboard.com
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As an option for drivers not based on the component framework, register
the bridge with the DRM core with the DRM bridge API. Existing drivers
based on dw_hdmi_bind() and dw_hdmi_unbind() are not affected as those
functions are preserved with their current behaviour.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-11-laurent.pinchart+renesas@ideasonboard.com
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The DRM device is not guaranteed by the bridge API to be available
before the attach callback. The driver performs properly at the moment
as it doesn't use the drm_bridge_add() registration method. As this will
be changed later, move connector creation to attach time to ensure
compatibility with the API.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170117082910.27023-10-laurent.pinchart+renesas@ideasonboard.com
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The next commit will reference structures and functions in a way that
currently requires forward declarations. Reorder the functions to avoid
that. No functional change to the code is performed.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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There's no need to duplicate identical code in multiple drivers (two at
the moment, one more to come soon). Move it to the dw-hdmi core where it
can be shared. If resource allocation ever becomes device-specific later
we'll always have the option of splitting it out again.
While it at pass the platform device to the bind function to avoid
having to cast struct device to struct platform_device.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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Hotplug events should only be forwarded to the DRM core by the interrupt
handler when the bridge has been attached, otherwise the DRM device
pointer will be NULL, resulting in a crash.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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The field isn't needed, remove it.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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The drm_bridge instance is always needed, there's no point in allocating
it separately.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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The 'prep' parameter passed to hdmi_phy_configure() is useless. It is
hardcoded as 0, and if set, simply prevents the configure function from
executing.
Remove it.
Signed-off-by: Kieran Bingham <[email protected]>
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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The master argument isn't used. The data argument, a void pointer, is
used by the bind function only where it's cast to a drm_device pointer,
which can easily be obtained from the encoder argument instead. Remove
them.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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The latter is just an int wrapper around the former void function that
unconditionally returns 0. As the return value is never checked, merge
the two functions into one.
Signed-off-by: Laurent Pinchart <[email protected]>
Reviewed-by: Jose Abreu <[email protected]>
Signed-off-by: Archit Taneja <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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Use 0x10012 event code for PM_BRU_CMPL event in power9 event list
instead of current 0x40060.
Fixes: 34922527a2bcb ('powerpc/perf: Add power9 event list macros for generic and cache events')
Cc: [email protected] # v4.9+
Signed-off-by: Madhavan Srinivasan <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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When we switched to big endian page table, we never updated the hugepd
format such that it can work for both big endian and little endian
config. This patch series update hugepd format such that it is looked at
as __be64 value in big endian page table config.
This patch also switch hugepd_t.pd from signed long to unsigned long.
I did update the FSL hugepd_ok check to check for the top bit instead
of checking > 0.
Fixes: 5dc1ef858c12 ("powerpc/mm: Use big endian Linux page tables for book3s 64")
Cc: [email protected] # v4.7+
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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The generic hugetlbfs code can handle not finding the default huge page
size correctly. With HPAGE_SHIFT = 0 we see in dmesg:
hugetlbfs: disabling because there are no supported hugepage sizes
bash-4.2# echo 30 > /proc/sys/vm/nr_hugepages
bash: echo: write error: Operation not supported
Fixes: 03bb2d65900c ("powerpc: get hugetlbpage handling more generic")
Reported-by: Chris Smart <[email protected]>
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Acked-by: Michael Neuling <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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Commit 9b081e10805cd ("powerpc: port 64 bits pgtable_cache to 32 bits")
mixed up PMD_INDEX_SIZE and PMD_CACHE_INDEX a couple of times. This
resulted in 64s/hash/4k configs to panic at boot with a false positive
error check.
Fix that and simplify error handling by moving the check to the caller.
Fixes: 9b081e10805cd ("powerpc: port 64 bits pgtable_cache to 32 bits")
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull modules fix from Jessica Yu:
- fix out-of-tree module breakage when it supplies its own definitions
of true and false
* tag 'modules-for-v4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
taint/module: Fix problems when out-of-kernel driver defines true or false
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When the plane is invisible we may have all sorts of bogus stuff
in the coordinates, which we must ignore or else we might fail the
plane update. This started to happen on SKL when I moved the plane
offset computation to happen in the check phase. Previously we
happily ignored it all since we never called the update_plane hook
with an invisible plane.
Cc: Sivakumar Thulasimani <[email protected]>
Cc: [email protected]
Fixes: b63a16f6cd89 ("drm/i915: Compute display surface offset in the plane check hook for SKL+")
Signed-off-by: Ville Syrjälä <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98258
Testcase: igt/pm_rpm/legacy-planes
Testcase: igt/pm_rpm/universal-planes
Reviewed-by: Matt Roper <[email protected]>
Signed-off-by: Matt Roper <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
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This fixes commit ab8dd3aed011 ("ARM: DTS: Add minimal Support for
Logic PD DM3730 SOM-LV") where the Card Detect and Write Protect
pins were improperly configured.
Fixes: ab8dd3aed011 ("ARM: DTS: Add minimal Support for
Logic PD DM3730 SOM-LV")
Signed-off-by: Adam Ford <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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New hainan parts require updated smc firmware.
Cc: Sonny Jiang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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New hainan parts require updated smc firmware.
Cc: Sonny Jiang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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use sw cg when decode. and hw cg when idle.
fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=99313
https://bugzilla.kernel.org/show_bug.cgi?id=192161
Signed-off-by: Rex Zhu <[email protected]>
Ack-by: Tom St Denis <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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need to clear bit31-29 in GRBM_GFX_INDEX,
then the program can be valid.
Signed-off-by: Rex Zhu <[email protected]>
Acked-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Set the proper bits for clockgating setup.
Signed-off-by: Rex Zhu <[email protected]>
Acked-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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The current hardware is not able to run with all cores enabled at a
cluster frequency superior at 1536MHz.
But the currently shipped u-boot for the platform still reports an OPP
table with possible DVFS frequency up to 2GHz, and will not change since
the off-tree linux tree supports limiting the OPPs with a kernel parameter.
A recent u-boot change reports the boot-time DVFS around 100MHz and
the default performance cpufreq governor sets the maximum frequency.
Previous version of u-boot reported to be already at the max OPP and
left the OPP as is.
Nevertheless, other governors like ondemand could setup the max frequency
and make the system crash.
This patch disables the DVFS clock and disables cpufreq.
Fixes: 70db166a2baa ("ARM64: dts: meson-gxbb: Add SCPI with cpufreq & sensors Nodes")
Signed-off-by: Neil Armstrong <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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The GETNEXTQOTA ioctl takes whatever ID is sent in,
and looks for the next active quota for an user
equal or higher to that ID.
But if we are at the maximum ID and then ask for the "next"
one, we may wrap back to zero. In this case, userspace
may loop forever, because it will start querying again
at zero.
We'll fix this in userspace as well, but for the kernel,
return -ENOENT if we ask for the next quota ID
past UINT_MAX so the caller knows to stop.
Signed-off-by: Eric Sandeen <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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Check for invalid file type in xfs_dinode_verify()
and fail to load the inode structure from disk.
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Amir Goldstein <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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The helper xfs_dentry_to_name() is used by 2 different
classes of callers: Callers that pass zero mode and don't care
about the returned name.type field and Callers that pass
non zero mode and do care about the name.type field.
Change xfs_dentry_to_name() to not take the mode argument and
change the call sites of the first class to not pass the mode
argument.
Create a new helper xfs_dentry_mode_to_name() which does pass
the mode argument and returns -EFSCORRUPTED if mode is invalid.
Callers that translate non zero mode to on-disk file type now
check the return value and will export the error to user instead
of staging an invalid file type to be written to directory entry.
Signed-off-by: Amir Goldstein <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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The size of the xfs_mode_to_ftype[] conversion table
was too small to handle an invalid value of mode=S_IFMT.
Instead of fixing the table size, replace the conversion table
with a conversion helper that uses a switch statement.
Suggested-by: Christoph Hellwig <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Amir Goldstein <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
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