| Commit message (Collapse) | Author | Age | Files | Lines |
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git://anongit.freedesktop.org/drm-intel into drm-fixes
three fixes for i915.
* tag 'drm-intel-next-fixes-2015-04-25' of git://anongit.freedesktop.org/drm-intel:
drm/i915: vlv: fix save/restore of GFX_MAX_REQ_COUNT reg
drm/i915: Workaround to avoid lite restore with HEAD==TAIL
drm/i915: cope with large i2c transfers
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Due this typo we don't save/restore the GFX_MAX_REQ_COUNT register across
suspend/resume, so fix this.
This was introduced in
commit ddeea5b0c36f3665446518c609be91f9336ef674
Author: Imre Deak <imre.deak@intel.com>
Date: Mon May 5 15:19:56 2014 +0300
drm/i915: vlv: add runtime PM support
I noticed this only by reading the code. To my knowledge it shouldn't
cause any real problems at the moment, since the power well backing this
register remains on across a runtime s/r. This may change once
system-wide s0ix functionality is enabled in the kernel.
v2:
- resend after a missing git add -u :/
Cc: stable@vger.kernel.org
Signed-off-by: Imre Deak <imre.deak@intel.com>
Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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WaIdleLiteRestore is an execlists-only workaround, and requires the driver
to ensure that any context always has HEAD!=TAIL when attempting lite
restore.
Add two extra MI_NOOP instructions at the end of each request, but keep
the requests tail pointing before the MI_NOOPs. We may not need to
executed them, and this is why request->tail is sampled before adding
these extra instructions.
If we submit a context to the ELSP which has previously been submitted,
move the tail pointer past the MI_NOOPs. This ensures HEAD!=TAIL.
v2: Move overallocation to gen8_emit_request, and added note about
sampling request->tail in commit message (Chris).
v3: Remove redundant request->tail assignment in __i915_add_request, in
lrc mode this is already set in execlists_context_queue.
Do not add wa implementation details inside gem (Chris).
v4: Apply the wa whenever the req has been resubmitted and update
comment (Chris).
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Thomas Daniel <thomas.daniel@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The hardware, according to the specs, is limited to 256 byte transfers,
and current driver has no protections in case users attempt to do larger
transfers. The code will just stomp over status register and mayhem
ensues.
Let's split larger transfers into digestable chunks. Doing this allows
Atmel MXT driver on Pixel 1 function properly (it hasn't since commit
9d8dc3e529a19e427fd379118acd132520935c5d "Input: atmel_mxt_ts -
implement T44 message handling" which tries to consume multiple
touchscreen/touchpad reports in a single transaction).
Cc: stable@vger.kernel.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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At present, dma_buf_export() takes a series of parameters, which
makes it difficult to add any new parameters for exporters, if required.
Make it simpler by moving all these parameters into a struct, and pass
the struct * as parameter to dma_buf_export().
While at it, unite dma_buf_export_named() with dma_buf_export(), and
change all callers accordingly.
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
"Small fixes and improvements to various fbdev drivers"
* tag 'fbdev-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (24 commits)
omapdss: extend pm notifier to handle hibernation
OMAPDSS: Correct video ports description file path in DT binding doc
OMAPDSS: disable VT switch
fbdev: sh_mobile_lcdc: Fix destruction of uninitialized mutex
video: fbdev: sh_mobile_lcdcfb: Fix ROP3 sysfs attribute parsing
fbdev: pm3fb: cleanup some confusing indenting
hyperv: hyperv_fb: match wait_for_completion_timeout return type
video: fbdev: use msecs_to_jiffies for time conversions
fbdev: via/via_clock: fix sparse warning
video: fbdev: make of_device_id array const
fbdev: sm501fb: use memset_io
OMAPDSS: workaround for MFLAG + NV12 issue
OMAPDSS: Add support for MFLAG
OMAPDSS: setup default fifo thresholds
OMAPDSS: DISPC: lock access to DISPC_CONTROL & DISPC_CONFIG
OMAPDSS: DISPC: fix div by zero issue in overlay scaling
OMAPDSS: DISPC: change sync_pclk_edge default value
OMAPDSS: change signal_level & signal_edge enum values
OMAPDSS: DISPC: explicit handling for sync and de levels
OMAPDSS: DISPC: remove OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES
...
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DISPC can drive data lines either on rising or falling pixel clock edge,
which can be configured by the user.
Sync lines can also be driven on rising or falling pixel clock edge, but
additionally the HW can be configured to drive the sync lines on
opposite clock edge from the data lines.
This opposite edge setting does not make any sense, as the same effect
can be achieved by just setting the sync lines to be driven on the other
edge compared to the data lines. It feels like some kind of backward
compatibility option, even if all DSS versions seem to have the same
implementation.
To simplify the code and configuration of the signals, and to make the
dispc timings more compatible with what is used on other platforms,
let's just remove the whole opposite-edge support.
The drivers that used OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES setting are
changed so that they use the opposite setting from the data edge.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux
Pull devicetree changes from Grant Likely:
"Here are the devicetree changes queued up for v4.1. Nothing really
exciting here. Rob has another few commits for big-endian attached
UARTs, but those will be sent in a separate merge request since they
haven't been as thoroughly tested as this batch.
Here are the highlights:
- lots of unittest cleanup from Frank Rowand
- bugfixes and updates to the of_graph code
- tighten up of_get_mac_address() code
- documentation updates"
* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
of/unittest: Fix of_platform_depopulate test case
of/unittest: early return from test skips tests
of/unittest: breadcrumbs to reduce pain of future maintainers
of/unittest: reduce checkpatch noise - line after declarations
of/unittest: typo in error string
of/unittest: add const where needed
of_net: factor out repetitive code from of_get_mac_address()
drivers/of: Add empty ranges quirk for PA-Semi
of: Allow selection of OF_DYNAMIC and OF_OVERLAY if OF_UNITTEST
of: Empty node & property flag accessors when !OF
of: Explicitly include linux/types.h in of_graph.h
dt-bindings: brcm: rationalize Broadcom documentation naming
of/unittest: replace 'selftest' with 'unittest'
Documentation: rename of_selftest.txt to of_unittest.txt
Documentation: update the of_selftest.txt
dt: OF_UNITTEST make dependency broken
MAINTAINERS: Pantelis Antoniou device tree overlay maintainer
of: Add of_graph_get_port_by_id function
of: Add for_each_endpoint_of_node helper macro
of: Decrement refcount of previous endpoint in of_graph_get_next_endpoint
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We have grown a number of different implementations of
DIV_ROUND_CLOSEST_ULL throughout the kernel. Move the i915 one to
kernel.h so that it can be reused.
Signed-off-by: Javi Merino <javi.merino@arm.com>
Reviewed-by: Jeff Epler <jepler@unpythonic.net>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Guenter Roeck <linux@roeck-us.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Alex Elder <elder@linaro.org>
Cc: Antti Palosaari <crope@iki.fi>
Cc: Javi Merino <javi.merino@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"Some clean ups and small fixes, but the biggest change is the addition
of the TRACE_DEFINE_ENUM() macro that can be used by tracepoints.
Tracepoints have helper functions for the TP_printk() called
__print_symbolic() and __print_flags() that lets a numeric number be
displayed as a a human comprehensible text. What is placed in the
TP_printk() is also shown in the tracepoint format file such that user
space tools like perf and trace-cmd can parse the binary data and
express the values too. Unfortunately, the way the TRACE_EVENT()
macro works, anything placed in the TP_printk() will be shown pretty
much exactly as is. The problem arises when enums are used. That's
because unlike macros, enums will not be changed into their values by
the C pre-processor. Thus, the enum string is exported to the format
file, and this makes it useless for user space tools.
The TRACE_DEFINE_ENUM() solves this by converting the enum strings in
the TP_printk() format into their number, and that is what is shown to
user space. For example, the tracepoint tlb_flush currently has this
in its format file:
__print_symbolic(REC->reason,
{ TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" },
{ TLB_REMOTE_SHOOTDOWN, "remote shootdown" },
{ TLB_LOCAL_SHOOTDOWN, "local shootdown" },
{ TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" })
After adding:
TRACE_DEFINE_ENUM(TLB_FLUSH_ON_TASK_SWITCH);
TRACE_DEFINE_ENUM(TLB_REMOTE_SHOOTDOWN);
TRACE_DEFINE_ENUM(TLB_LOCAL_SHOOTDOWN);
TRACE_DEFINE_ENUM(TLB_LOCAL_MM_SHOOTDOWN);
Its format file will contain this:
__print_symbolic(REC->reason,
{ 0, "flush on task switch" },
{ 1, "remote shootdown" },
{ 2, "local shootdown" },
{ 3, "local mm shootdown" })"
* tag 'trace-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (27 commits)
tracing: Add enum_map file to show enums that have been mapped
writeback: Export enums used by tracepoint to user space
v4l: Export enums used by tracepoints to user space
SUNRPC: Export enums in tracepoints to user space
mm: tracing: Export enums in tracepoints to user space
irq/tracing: Export enums in tracepoints to user space
f2fs: Export the enums in the tracepoints to userspace
net/9p/tracing: Export enums in tracepoints to userspace
x86/tlb/trace: Export enums in used by tlb_flush tracepoint
tracing/samples: Update the trace-event-sample.h with TRACE_DEFINE_ENUM()
tracing: Allow for modules to convert their enums to values
tracing: Add TRACE_DEFINE_ENUM() macro to map enums to their values
tracing: Update trace-event-sample with TRACE_SYSTEM_VAR documentation
tracing: Give system name a pointer
brcmsmac: Move each system tracepoints to their own header
iwlwifi: Move each system tracepoints to their own header
mac80211: Move message tracepoints to their own header
tracing: Add TRACE_SYSTEM_VAR to xhci-hcd
tracing: Add TRACE_SYSTEM_VAR to kvm-s390
tracing: Add TRACE_SYSTEM_VAR to intel-sst
...
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The tracing infrastructure is adding a macro TRACE_SYSTEM_STRING, and
hit the following build failure:
In file included from include/trace/define_trace.h:90:0,
from drivers/gpu/drm/.//radeon/radeon_trace.h:209,
from drivers/gpu/drm/.//radeon/radeon_trace_points.c:9:
>> include/trace/ftrace.h:28:0: warning: "TRACE_SYSTEM_STRING" redefined
#define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
Seems that the DRM folks have added their own use to the
TRACE_SYSTEM_STRING, with:
#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
Although, I can not find its use anywhere. I could simply use another
name, but if this macro is not being used, it should be removed.
Link: http://lkml.kernel.org/r/20150402123736.01eda052@gandalf.local.home
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Another release, another set of regulator updates. Not much of it is
showing up in the code yet but there's been a lot of discussion going
on about how to enhance the regulator API to work better with modern
SoCs which have a microcontroller sitting between Linux and the
hardware.
I'm hopeful that'll start to come through into mainline for v4.2 but
it's not quite there for v4.1 - what we do have (along with the usual
small updates is) is:
- work from Bjorn Andersson on refactoring the configuration of
regulator loading interfaces to be useful for use with
microcontrollers, the existing interfaces were never actually
useful for anything as-is since nobody was willing to put enough
data into public code.
- a summary tree display in debugfs from Heiko Stübner.
- support for act6000 regulators"
* tag 'regulator-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
regulator: max8660: Handle empty regulator data
regulator: output current-limit for all regulators in summary
regulator: add a summary tree in debugfs
regulator: qcom: Tidy up probe()
regulator: qcom: Rework to single platform device
regulator: qcom: Refactor of-parsing code
regulator: qcom: Don't enable DRMS in driver
regulator: max8660: fix assignment of pdata to data that becomes dead
regulator: Defer lookup of supply to regulator_get
mfd: max77693: Remove unused structures
regulator: max77693: Let core parse DT and drop board files support
regulator: Ensure unique regulator debugfs directory names
regulator: stw481x: Remove unused fields from struct stw481x
regulator: palmas: Add has_regen3 check for TPS659038
regulator: constify of_device_id array
regulator: fixes for regulator_set_optimum_mode name change
regulator: Drop temporary regulator_set_optimum_mode wrapper
usb: phy: phy-msm-usb: Rename regulator_set_optimum_mode
usb: phy: ab8500-usb: Rename regulator_set_optimum_mode
ufs: Rename of regulator_set_optimum_mode
...
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'regulator/topic/notifier', 'regulator/topic/palmas', 'regulator/topic/qcom' and 'regulator/topic/stw481x' into regulator-next
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
three commits, all cc: stable, to address Baytrail
suspend/resume issues.
* tag 'drm-intel-fixes-2015-04-08' of git://anongit.freedesktop.org/drm-intel:
drm/i915/vlv: remove wait for previous GFX clk disable request
drm/i915/chv: Remove Wait for a previous gfx force-off
drm/i915/vlv: save/restore the power context base reg
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Looks like it was introduced in:
commit 650ad970a39f8b6164fe8613edc150f585315289
Author: Imre Deak <imre.deak@intel.com>
Date: Fri Apr 18 16:35:02 2014 +0300
drm/i915: vlv: factor out vlv_force_gfx_clock and check for pending force-of
but I'm not sure why. It has caused problems for us in the past (see
85250ddff7a6 "drm/i915/chv: Remove Wait for a previous gfx force-off"
and 8d4eee9cd7a1 "drm/i915: vlv: increase timeout when forcing on the
GFX clock") and doesn't seem to be required, so let's just drop it.
References: https://bugs.freedesktop.org/show_bug.cgi?id=89611
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Darren Hart <dvhart@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Cc: stable@vger.kernel.org # c9c52e24194a: drm/i915/chv: Remove Wait ...
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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On CHV, PUNIT team confirmed that 'VLV_GFX_CLK_STATUS_BIT' is not a
sticky bit and it will always be set. So ignore Check for previous
Gfx force off during suspend and allow the force clk as part S0ix
Sequence
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Some BIOSes (e.g. the one on the Minnowboard) don't save/restore this
reg. If it's unlocked, we can just restore the previous value, and if
it's locked (in case the BIOS re-programmed it for us) the write will be
ignored and we'll still have "did it move" sanity check in the PM code to
warn us if something is still amiss.
References: https://bugs.freedesktop.org/show_bug.cgi?id=89611
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Darren Hart <dvhart@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Regression in commit 2caa80e72b57c6216aec6f6a11fcfb4fec46daa0
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun Feb 22 11:38:36 2015 +0100
drm: Fix deadlock due to getconnector locking changes
If the drm_connector_find() call returns NULL, we should no longer
call drm_modeset_unlock() to avoid locking imbalance.
Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
Misc i915 fixes.
* tag 'drm-intel-next-fixes-2015-04-15' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Dont enable CS_PARSER_ERROR interrupts at all
drm/i915: Move drm_framebuffer_unreference out of struct_mutex for takeover
drm/i915: Allocate connector state together with the connectors
drm/i915/chv: Remove DPIO force latency causing interpair skew issue
drm/i915: Don't cancel DRRS worker synchronously for flush/invalidate
drm/i915: Fix locking in DRRS flush/invalidate hooks
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We stopped handling them in
commit aaecdf611a05cac26a94713bad25297e60225c29
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Nov 4 15:52:22 2014 +0100
drm/i915: Stop gathering error states for CS error interrupts
but just clearing is apparently not enough: A sufficiently dead gpu
left behind by firmware (*cough* coreboot *cough*) can keep the gpu in
an endless loop of such interrupts, eventually leading to the nmi
firing. And definitely to what looks like a machine hang.
Since we don't even enable these interrupts on gen5+ let's do the same
on earlier platforms.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=93171
Tested-by: Mono <mono-for-kernel-org@donderklumpen.de>
Tested-by: info@gluglug.org.uk
Cc: stable@vger.kernel.org
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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intel_user_framebuffer_destroy() requires the struct_mutex for its
object bookkeeping, so this means that all calls to
drm_framebuffer_unreference must be held without that lock.
This is a simplified version of the identically named patch by Chris Wilson.
Regression from commit ab8d66752a9c28cd6c94fa173feacdfc1554aa03
Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Mon Feb 2 15:44:15 2015 +0000
drm/i915: Track old framebuffer instead of object
v2: Bikeshedding.
References: https://bugs.freedesktop.org/show_bug.cgi?id=89166
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Connector states were being allocated in intel_setup_outputs() in loop
over all connectors. That meant hot-added connectors would have a NULL
state. Since the change to use a struct drm_atomic_state for the legacy
modeset, connector states are necessary for the i915 driver to function
properly, so that would lead to oopses.
Broken by
commit 944b0c76575753da5a332aab0a1d8c6df65a076b
Author: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Date: Fri Mar 20 16:18:07 2015 +0200
drm/i915: Copy the staged connector config to the legacy atomic state
v2: Fix test for intel_connector_init() success in lvds and sdvo (PRTS)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reported-and-tested-by: Nicolas Kalkhof <nkalkhof@web.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Latest version of the "CHV DPIO programming notes" no longer requires writes
to TX DW 11 to fix a +2UI interpair skew issue. The current code from
April 2014 was actually causing additional skew issues between all
TMDS pairs.
ver2: added same treatment to intel_dp.c based on Ville's testing.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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It's not needed since the worker rechecks that it didn't race. We only
need to cancel synchronously after disabling drrs to make sure the
worker really is gone (e.g. for driver unload). But for normal
operation the stall is just wasted time.
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Vandana Kannan <vandana.kannan@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We must acquire the mutex before we can check drrs.dp, otherwise
someone might sneak in with a modeset, clear the pointer after we've
checked it and then the code will Oops.
This issue has been introduced in
commit a93fad0f7fb8a3ff12e8814b630648f6d187954c
Author: Vandana Kannan <vandana.kannan@intel.com>
Date: Sat Jan 10 02:25:59 2015 +0530
drm/i915: DRRS calls based on frontbuffer
v2: Don't blow up on uninitialized mutex and work item by checking
whether DRRS is support or not first. Also unconditionally initialize
the mutex/work item to avoid future trouble.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Vandana Kannan <vandana.kannan@intel.com>
Cc: stable@vger.kernel.org (4.0+ only)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
One more drm-misch pull for 4.1 with mostly simple stuff and boring
refactoring. Even the cursor fix from Matt is just to make a really anal
igt happy.
* tag 'topic/drm-misc-2015-04-15' of git://anongit.freedesktop.org/drm-intel:
drm: fix trivial typo mistake
drm: Make integer overflow checking cover universal cursor updates (v2)
drm: make crtc/encoder/connector/plane helper_private a const pointer
drm/armada: constify struct drm_encoder_helper_funcs pointer
drm/radeon: constify more struct drm_*_helper funcs pointers
drm/edid: add #defines for ELD versions
drm/atomic: Add for_each_{connector,crtc,plane}_in_state helper macros
drm: Use kref_put_mutex in drm_gem_object_unreference_unlocked
drm/drm: constify all struct drm_*_helper funcs pointers
drm/qxl: constify all struct drm_*_helper funcs pointers
drm/nouveau: constify all struct drm_*_helper funcs pointers
drm/radeon: constify all struct drm_*_helper funcs pointers
drm/gma500: constify all struct drm_*_helper funcs pointers
drm/mgag200: constify all struct drm_*_helper funcs pointers
drm/exynos: constify all struct drm_*_helper funcs pointers
drm: Fix some typos
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Our legacy SetPlane updates perform integer overflow checking on a
plane's destination rectangle in drm_mode_setplane(), and atomic updates
handled as part of a drm_atomic_state transaction do the same checking
in drm_atomic_plane_check(). However legacy cursor updates that get
routed through universal plane interfaces may bypass this overflow
checking if the driver's .update_plane is serviced by the transitional
plane helpers rather than the full atomic plane helpers.
Move the check for destination rectangle integer overflow from the
drm_mode_setplane() to __setplane_internal() so that it also covers
cursor operations.
This fixes an issue first noticed with i915 commit:
commit ff42e093e9c9c17a6e1d6aab24875a36795f926e
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Mar 2 16:35:20 2015 +0100
Revert "drm/i915: Switch planes from transitional helpers to full
atomic helpers"
The above revert switched us from full atomic helpers back to the
transitional helpers, and in doing so we lost the overflow checking here
for universal cursor updates. Even though such extreme cursor positions
are unlikely to actually happen in the wild, we still don't want there
to be a change of behavior when drivers switch from transitional helpers
to full helpers.
v2: Move check from setplane ioctl to setplane_internal rather than
adding an additional copy of the checks to the transitional plane
helpers. (Daniel)
Cc: Daniel Vetter <daniel@ffwll.ch>
Testcase: igt/kms_cursor_crc
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84269
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Not to be modified.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Some non-const pointers were added since the last constification, fix
them.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This saves some typing whenever a iteration over all the connector,
crtc or plane states in the atomic state is written, which happens
quite often.
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are not to be modified.
Generated using the semantic patch:
@@
@@
(
const struct drm_crtc_helper_funcs *
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- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)
@@
@@
(
const struct drm_encoder_helper_funcs *
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- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)
@@
@@
(
const struct drm_connector_helper_funcs *
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- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)
@@
@@
(
const struct drm_plane_helper_funcs *
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- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are not to be modified.
Generated using the semantic patch:
@@
@@
(
const struct drm_crtc_helper_funcs *
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- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)
@@
@@
(
const struct drm_encoder_helper_funcs *
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- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)
@@
@@
(
const struct drm_connector_helper_funcs *
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- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)
@@
@@
(
const struct drm_plane_helper_funcs *
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- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are not to be modified.
Generated using the semantic patch:
@@
@@
(
const struct drm_crtc_helper_funcs *
|
- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)
@@
@@
(
const struct drm_encoder_helper_funcs *
|
- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)
@@
@@
(
const struct drm_connector_helper_funcs *
|
- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)
@@
@@
(
const struct drm_plane_helper_funcs *
|
- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are not to be modified.
Generated using the semantic patch:
@@
@@
(
const struct drm_crtc_helper_funcs *
|
- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)
@@
@@
(
const struct drm_encoder_helper_funcs *
|
- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)
@@
@@
(
const struct drm_connector_helper_funcs *
|
- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)
@@
@@
(
const struct drm_plane_helper_funcs *
|
- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are not to be modified.
Generated using the semantic patch:
@@
@@
(
const struct drm_crtc_helper_funcs *
|
- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)
@@
@@
(
const struct drm_encoder_helper_funcs *
|
- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)
@@
@@
(
const struct drm_connector_helper_funcs *
|
- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)
@@
@@
(
const struct drm_plane_helper_funcs *
|
- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are not to be modified.
Generated using the semantic patch:
@@
@@
(
const struct drm_crtc_helper_funcs *
|
- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)
@@
@@
(
const struct drm_encoder_helper_funcs *
|
- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)
@@
@@
(
const struct drm_connector_helper_funcs *
|
- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)
@@
@@
(
const struct drm_plane_helper_funcs *
|
- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are not to be modified.
Generated using the semantic patch:
@@
@@
(
const struct drm_crtc_helper_funcs *
|
- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)
@@
@@
(
const struct drm_encoder_helper_funcs *
|
- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)
@@
@@
(
const struct drm_connector_helper_funcs *
|
- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)
@@
@@
(
const struct drm_plane_helper_funcs *
|
- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: John Hunter <zhjwpku@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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| |\ \ \ \ \ \ \
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into drm-next
This set of patches adjust the setup of the HDMI CTS/N values for audio
support to be compliant with the work-around given in the iMX6 errata
documentation as part of the preparation for integrating audio support
for this driver, and also update the HDMI phy configuration for Rockchip
devices to improve the HDMI eye pattern.
* 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
drm: rockchip/dw_hdmi-rockchip: improve for HDMI electrical test
drm: bridge/dw_hdmi: separate VLEVCTRL settting into platform driver
drm: bridge/dw_hdmi: fixed codec style
drm: bridge/dw_hdmi: adjust n/cts setting order
drm: bridge/dw_hdmi: protect n/cts setting with a mutex
drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts()
Conflicts:
drivers/gpu/drm/imx/dw_hdmi-imx.c
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When pixel clock less than 148.5MHz, make sloopboost=2 tklvl=20
cklvl=13 increase rasing/falling time and increase data & clock
voltage driver.
When pixel clock less than 74.25MHz, make sloopboost=0 tklvl=19
cklvl=18, increase data and clock voltage driver.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Because of iMX6 & Rockchip have differnet mpll config parameter,
the VLEVCTRL parameter would be different. In this case we should
separate VLEVCTRL setting from the common dw_hdmi driver, config
this parameter in platform driver(dw_hdmi-imx and dw_hdmi-rockchip)
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Using a local struct pointer to reduce one level of indirection
makes the code slightly more readable.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch derived from one from Yakir Yang. Yakir Yang says:
For Designerware HDMI, the following write sequence is recommended:
1. aud_n3 (set bit ncts_atomic_write if desired)
2. aud_cts3 (set CTS_manual and CTS value if desired/enabled)
3. aud_cts2 (required in CTS_manual)
4. aud_cts1 (required in CTS_manual)
5. aud_n3 (bit ncts_atomic_write with same value as in step 1.)
6. aud_n2
7. aud_n1
However, avoid the ncts_atomic_write_bit and CTS_manual settings in this
patch, both of which are marked reserved in the iMX6 documentation. All
iMX6 code in the wild seems to want CTS_manual cleared.
Having requested clarification from FSL, it appears that neither of
these bits are implemented in their version of the IP.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The HDMI n/cts settings need to be updated whenever the audio sample
rate or the video pixel clock changes. This needs to be protected
against concurrency as there is no synchronisation between these two
operations. Introduce a mutex (called audio_mutex) to protect against
two threads trying to update the video clock rate and pixel clock
simultaneously.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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hdmi_regenerate_cts()
Combine these two functions into a single implementation. These two
functions are called consecutively anyway. Idea from a patch by
Yakir Yang.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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| |\ \ \ \ \ \ \
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into drm-next
Some final bits for 4.1. Some fixes for userptrs and allow a new
packet for VCE to enable some new features in mesa.
* 'drm-next-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: allow creating overlapping userptrs
drm/radeon: add userptr config option
drm/radeon: add video usability info support for VCE
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Similar to the Intel implementation, but instead of just falling back to a
global linear list when we have an overlapping userptr request we accumulate
all overlapping userptrs in a local list.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This allows selecting CONFIG_MMU_NOTIFIER if it isn't already selected.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
