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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Regression fix for Fermi acceleration, and fixes important to bringing
up display-less Maxwell boards.
* 'linux-4.1' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/gr/gm204: remove a stray printk
drm/nouveau/devinit/gm100-: force devinit table execution on boards without PDISP
drm/nouveau/devinit/gf100: make the force-post condition more obvious
drm/nouveau/gr/gf100-: fix wrong constant definition
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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PDISP
Should fix fdo#89558
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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And also more generic, so it can be used on newer chipsets.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Commit 3740c82590d8 ("drm/nouveau/gr/gf100-: add symbolic names for
classes") introduced a wrong macro definition causing acceleration setup
to fail. Fix it.
Signed-off-by: Lars Seipel <ls@slrz.net>
Fixes: 3740c82590d8 ("drm/nouveau/gr/gf100-: add symbolic names for classes")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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We have that bug for years and some users report side effects when fixing it on older hardware.
So revert it for VM_CONTEXT0_PAGE_TABLE_END_ADDR, but keep it for VM 1-15.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
here's a drm regression fix for drivers only partially
converted to atomic.
* tag 'topic/drm-fixes-2015-05-27' of git://anongit.freedesktop.org/drm-intel:
drm/plane-helper: Adapt cursor hack to transitional helpers
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In
commit f02ad907cd9e7fe3a6405d2d005840912f1ed258
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jan 22 16:36:23 2015 +0100
drm/atomic-helpers: Recover full cursor plane behaviour
we've added a hack to atomic helpers to never to vblank waits for
cursor updates through the legacy apis since that's what X expects.
Unfortunately we've (again) forgotten to adjust the transitional
helpers. Do this now.
This fixes regressions for drivers only partially converted over to
atomic (like i915).
Reported-by: Pekka Paalanen <ppaalanen@gmail.com>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-and-tested-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Avoids a crash when a monitor is hotplugged and the encoder
and connector are not linked yet.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=90681
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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(v3)"
This breaks too many things.
bugs:
https://bugzilla.kernel.org/show_bug.cgi?id=99041
https://bugs.freedesktop.org/show_bug.cgi?id=90681
This reverts commit 0f55db36d49d45b80eff0c0a2a498766016f458b.
Cc: stable@vger.kernel.org
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Enabling audio may enable different pll dividers. Don't share
plls if the monitors differ in audio support.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=98751
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For actual sharing of buffers with other drivers (ie. actual hardware)
we'll need to pimp things out a bit better to deal w/ caching, multiple
memory domains, etc. See thread:
http://lists.freedesktop.org/archives/dri-devel/2015-May/083160.html
But for the llvmpipe use-case this isn't a problem. Nor do we really
need prime/dri3 (dri2 is sufficient). So until the other issues are
sorted lets remove DRIVER_PRIME.
v2: also drop the dead code
[airlied:
Okay I'm convinced this API could have a lot of use cases
that are really really bad, yes the upload use case is valid
however that isn't the only use case enabled, and if we allow
all the other use cases, people will start to (ab)use them,
and then they'll be ABI and my life will get worse, so disable
PRIME for now]
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-fixes
Just two small DP fixes for 4.1
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix error flag checking in native aux path
drm/radeon: retry dcpd fetch
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That atom table does not check these bits. Fixes aux
regressions on some boards.
Reported-by: Malte Schröder <malte@tnxip.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Retry the dpcd fetch several times. Some eDP panels
fail several times before the fetch is successful.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73530
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://anongit.freedesktop.org/drm-intel into drm-fixes
There's a stable backport from Ander [1] that combines this and a few
other commits to fix the flickering on v4.0, reported in [2] among
others. Having this upstream is obviously a requirement for stable.
* tag 'drm-intel-fixes-2015-05-21' of git://anongit.freedesktop.org/drm-intel:
drm/i915: fix screen flickering
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Commit c9f038a1a592 ("drm/i915: Don't assume primary & cursor are
always on for wm calculation (v4)") fixes a null pointer dereference.
Setting the primary and cursor panes to false in
ilk_compute_wm_parameters to false does however give the following
errors in the kernel log and causes the screen to flicker.
[ 101.133716] [drm:intel_set_cpu_fifo_underrun_reporting [i915]]
*ERROR* uncleared fifo underrun on pipe A
[ 101.133725] [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
*ERROR* CPU pipe A FIFO underrun
Always setting the panes to enabled fixes this error.
Helped-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Tested-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The index of ->planes[] array (3rd parameter) cannot be equal to MAX_PLANE.
This looks like a typo that is now fixed.
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Don't pollute the dmesg with EDID read success message as an error.
Printing as debug should be fine.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Remove the unused fields of struct exynos_drm_plane.
v2: Remove index_color as well, also unused (thanks Joonyoung).
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The index for the hardware layer is always >=0. Previous
code that also used -1 as special index is now gone.
Also apply this to 'ch_enabled' (decon/fimd), since the
variable is on the same line (and is again always unsigned).
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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mixer_regs_dump() was called in mixer_run(), which was called
under the register spinlock in mixer_graph_buffer() and
vp_video_buffer().
This would trigger a sysmmu pagefault with drm.debug=0xff because
of the large delay caused by the register dumping.
To keep consistency also move register dumping out of mixer_stop(),
which is the counterpart to mixer_run().
Kernel dump:
[ 131.296529] [drm:mixer_win_commit] win: 2
[ 131.300693] [drm:mixer_regs_dump] MXR_STATUS = 00000081
[ 131.305888] [drm:mixer_regs_dump] MXR_CFG = 000007d5
[ 131.310835] [drm:mixer_regs_dump] MXR_INT_EN = 00000000
[ 131.316043] [drm:mixer_regs_dump] MXR_INT_STATUS = 00000900
[ 131.321598] [drm:mixer_regs_dump] MXR_LAYER_CFG = 00000321
[ 131.327066] [drm:mixer_regs_dump] MXR_VIDEO_CFG = 00000000
[ 131.332535] [drm:mixer_regs_dump] MXR_GRAPHIC0_CFG = 00310700
[ 131.338263] [drm:mixer_regs_dump] MXR_GRAPHIC0_BASE = 20c00000
[ 131.344079] [drm:mixer_regs_dump] MXR_GRAPHIC0_SPAN = 00000780
[ 131.349895] [drm:mixer_regs_dump] MXR_GRAPHIC0_WH = 07800438
[ 131.355537] [drm:mixer_regs_dump] MXR_GRAPHIC0_SXY = 00000000
[ 131.361265] [drm:mixer_regs_dump] MXR_GRAPHIC0_DXY = 00000000
[ 131.366994] [drm:mixer_regs_dump] MXR_GRAPHIC1_CFG = 00000000
[ 131.372723] [drm:mixer_regs_dump] MXR_GRAPHIC1_BASE = 00000000
[ 131.378539] [drm:mixer_regs_dump] MXR_GRAPHIC1_SPAN = 00000000
[ 131.384354] [drm:mixer_regs_dump] MXR_GRAPHIC1_WH = 00000000
[ 131.389996] [drm:mixer_regs_dump] MXR_GRAPHIC1_SXY = 00000000
[ 131.395725] [drm:mixer_regs_dump] MXR_GRAPHIC1_DXY = 00000000
[ 131.401486] PAGE FAULT occurred at 0x0 by 12e20000.sysmmu(Page table base: 0x6d990000)
[ 131.409353] Lv1 entry: 0x6e0f2401
[ 131.412753] ------------[ cut here ]------------
[ 131.417339] kernel BUG at drivers/iommu/exynos-iommu.c:358!
[ 131.422894] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
[ 131.428709] Modules linked in: ecb bridge stp llc bnep btrfs xor xor_neon zlib_inflate zlib_deflate raid6_pq btusb bluetooth usb_storage s5p_jpeg
videobuf2_dma_contig videobuf2_memops v4l2_mem2mem videobuf2_core
[ 131.447461] CPU: 0 PID: 2418 Comm: lt-modetest Tainted: G W 4.0.1-debug+ #3
[ 131.455530] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 131.461607] task: ee194100 ti: ec4fe000 task.ti: ec4fe000
[ 131.466995] PC is at exynos_sysmmu_irq+0x2a0/0x2a8
[ 131.471766] LR is at vprintk_emit+0x268/0x594
[ 131.476103] pc : [<c02781a4>] lr : [<c00650d0>] psr: a00001d3
[ 131.476103] sp : ec4ff9d8 ip : 00000000 fp : ec4ffa14
[ 131.487559] r10: ffffffda r9 : ee206e28 r8 : ee2d1a10
[ 131.492767] r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : ee206e10
[ 131.499277] r3 : c06fca20 r2 : 00000000 r1 : 00000000 r0 : ee28be00
[ 131.505788] Flags: NzCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment user
[ 131.513079] Control: 10c5387d Table: 6c72404a DAC: 00000015
[ 131.518808] Process lt-modetest (pid: 2418, stack limit = 0xec4fe218)
[ 131.525231] Stack: (0xec4ff9d8 to 0xec500000)
[ 131.529571] f9c0: ec4ff9e4 c03a0c40
[ 131.537732] f9e0: bbfa6e35 6d990000 6d161c3d ee20a900 ee04a7e0 00000028 ee007000 00000000
[ 131.545891] fa00: 00000000 c06fb1fc ec4ffa5c ec4ffa18 c0066a34 c0277f10 ee257664 0000000b
[ 131.554050] fa20: ec4ffa5c c06fafbb ee04a780 c06fb1e8 00000000 ee04a780 ee04a7e0 ee20a900
[ 131.562209] fa40: ee007000 00000015 ec4ffb48 ee008000 ec4ffa7c ec4ffa60 c0066c90 c00669e0
[ 131.570369] fa60: 00020000 ee04a780 ee04a7e0 00001000 ec4ffa94 ec4ffa80 c0069c6c c0066c58
[ 131.578528] fa80: 00000028 ee004450 ec4ffaac ec4ffa98 c0066028 c0069bac 000000a0 c06e19b4
[ 131.586687] faa0: ec4ffad4 ec4ffab0 c0223678 c0066000 c02235dc 00000015 00000000 00000015
[ 131.594846] fac0: ec4ffc80 00000001 ec4ffaec ec4ffad8 c0066028 c02235e8 00000089 c06bfc54
[ 131.603005] fae0: ec4ffb1c ec4ffaf0 c006633c c0066000 ec4ffb48 f002000c 00000025 00000015
[ 131.611165] fb00: c06c680c ec4ffb48 f0020000 ee008000 ec4ffb44 ec4ffb20 c000867c c00662c4
[ 131.619324] fb20: c02046ac 60000153 ffffffff ec4ffb7c 00000000 00000101 ec4ffbb4 ec4ffb48
[ 131.627483] fb40: c0013240 c0008650 00000001 ee257508 00000002 00000001 ee257504 ee257508
[ 131.635642] fb60: 00000000 c06bf27c 00000000 00000101 ee008000 ec4ffbb4 00000000 ec4ffb90
[ 131.643802] fb80: c002e124 c02046ac 60000153 ffffffff c002e09c 00000000 c06c6080 00000283
[ 131.651960] fba0: 00000001 c06fb1ac ec4ffc0c ec4ffbb8 c002d690 c002e0a8 ee78d080 ee008000
[ 131.660120] fbc0: 00400000 c04eb3b0 ffff7c44 c06c6100 c06fdac0 0000000a c06bf2f0 c06c6080
[ 131.668279] fbe0: c06bfc54 c06bfc54 00000000 00000025 00000000 00000001 ec4ffc80 ee008000
[ 131.676438] fc00: ec4ffc24 ec4ffc10 c002dbb8 c002d564 00000089 c06bfc54 ec4ffc54 ec4ffc28
[ 131.684597] fc20: c0066340 c002dafc ec4ffc80 f002000c 0000001c 0000000c c06c680c ec4ffc80
[ 131.692757] fc40: f0020000 00000080 ec4ffc7c ec4ffc58 c000867c c00662c4 c04e6624 60000053
[ 131.700916] fc60: ffffffff ec4ffcb4 c072df54 ee22d010 ec4ffcdc ec4ffc80 c0013240 c0008650
[ 131.709075] fc80: ee22d664 ee194100 00000000 ec4fe000 60000053 00000400 00000002 ee22d420
[ 131.717234] fca0: c072df54 ee22d010 00000080 ec4ffcdc ec4ffcc8 ec4ffcc8 c04e6620 c04e6624
[ 131.725393] fcc0: 60000053 ffffffff ec4fe000 c072df54 ec4ffd34 ec4ffce0 c02b64d0 c04e6618
[ 131.733552] fce0: ec4ffcf8 00000000 00000000 60000053 00010000 00010000 00000000 200cb000
[ 131.741712] fd00: 20080000 ee22d664 00000001 ee256000 ee261400 ee22d420 00000080 00000080
[ 131.749871] fd20: ee256000 00000280 ec4ffd74 ec4ffd38 c02a8844 c02b5fec 00000080 00000280
[ 131.758030] fd40: 000001e0 00000000 00000000 00000280 000001e0 ee22d220 01e00000 00000002
[ 131.766189] fd60: ee22d420 ee261400 ec4ffdbc ec4ffd78 c0293cbc c02a87a4 00000080 00000280
[ 131.774348] fd80: 000001e0 00000000 00000000 02800000 01e00000 ee261400 ee22d460 ee261400
[ 131.782508] fda0: ee22d420 00000000 01e00000 000001e0 ec4ffe24 ec4ffdc0 c0297800 c0293b24
[ 131.790667] fdc0: 00000080 00000280 000001e0 00000000 00000000 02800000 01e00000 ec4ffdf8
[ 131.798826] fde0: c028db00 00000080 00000080 ee256000 02800000 00000000 ec4ffe24 c06c6448
[ 131.806985] fe00: c072df54 000000b7 ee013800 ec4ffe54 edbf7300 ec4ffe54 ec4fff04 ec4ffe28
[ 131.815145] fe20: c028a848 c029768c 00000001 c06195d8 ec4ffe5c ec4ffe40 c0297680 c0521f6c
[ 131.823304] fe40: 00000030 bed45d38 00000030 c03064b7 ec4ffe8c 00000011 00000015 00000022
[ 131.831463] fe60: 00000000 00000080 00000080 00000280 000001e0 00000000 00000000 01e00000
[ 131.839622] fe80: 02800000 00000000 00000000 0004b000 00000000 00000000 c00121e4 c0011080
[ 131.847781] fea0: c00110a4 00000000 00000000 00000000 ec4ffeec ec4ffec0 c00110f0 c00121cc
[ 131.855940] fec0: 00000000 c00e7fec ec4ffeec ec4ffed8 c004af2c dc8ba201 edae4fc0 edbf7000
[ 131.864100] fee0: edbf7000 00000003 bed45d38 00000003 bed45d38 ee3f2040 ec4fff7c ec4fff08
[ 131.872259] ff00: c010b62c c028a684 edae4fc0 00000000 00000000 b6666000 ec40d108 edae4fc4
[ 131.880418] ff20: ec4fff6c ec4fff30 c00e7fec c02207b0 000001f9 00000000 edae5008 ec40d110
[ 131.888577] ff40: 00070800 edae5008 edae4fc0 00070800 b6666000 edbf7000 edbf7000 c03064b7
[ 131.896736] ff60: bed45d38 00000003 ec4fe000 00000000 ec4fffa4 ec4fff80 c010b84c c010b208
[ 131.904896] ff80: 00000022 00000000 bed45d38 c03064b7 00000036 c000ede4 00000000 ec4fffa8
[ 131.913055] ffa0: c000ec40 c010b81c 00000000 bed45d38 00000003 c03064b7 bed45d38 00000022
[ 131.921214] ffc0: 00000000 bed45d38 c03064b7 00000036 00000080 00000080 00000000 000001e0
[ 131.929373] ffe0: b6da4064 bed45d1c b6d98968 b6e8082c 60000050 00000003 00000000 00000000
[ 131.937529] Backtrace:
[ 131.939967] [<c0277f04>] (exynos_sysmmu_irq) from [<c0066a34>] (handle_irq_event_percpu+0x60/0x278)
[ 131.948988] r10:c06fb1fc r9:00000000 r8:00000000 r7:ee007000 r6:00000028 r5:ee04a7e0
[ 131.956799] r4:ee20a900
[ 131.959320] [<c00669d4>] (handle_irq_event_percpu) from [<c0066c90>] (handle_irq_event+0x44/0x64)
[ 131.968170] r10:ee008000 r9:ec4ffb48 r8:00000015 r7:ee007000 r6:ee20a900 r5:ee04a7e0
[ 131.975982] r4:ee04a780
[ 131.978504] [<c0066c4c>] (handle_irq_event) from [<c0069c6c>] (handle_level_irq+0xcc/0x144)
[ 131.986832] r6:00001000 r5:ee04a7e0 r4:ee04a780 r3:00020000
[ 131.992478] [<c0069ba0>] (handle_level_irq) from [<c0066028>] (generic_handle_irq+0x34/0x44)
[ 132.000894] r5:ee004450 r4:00000028
[ 132.004459] [<c0065ff4>] (generic_handle_irq) from [<c0223678>] (combiner_handle_cascade_irq+0x9c/0x108)
[ 132.013914] r4:c06e19b4 r3:000000a0
[ 132.017476] [<c02235dc>] (combiner_handle_cascade_irq) from [<c0066028>] (generic_handle_irq+0x34/0x44)
[ 132.026847] r8:00000001 r7:ec4ffc80 r6:00000015 r5:00000000 r4:00000015 r3:c02235dc
[ 132.034576] [<c0065ff4>] (generic_handle_irq) from [<c006633c>] (__handle_domain_irq+0x84/0xf0)
[ 132.043252] r4:c06bfc54 r3:00000089
[ 132.046815] [<c00662b8>] (__handle_domain_irq) from [<c000867c>] (gic_handle_irq+0x38/0x70)
[ 132.055144] r10:ee008000 r9:f0020000 r8:ec4ffb48 r7:c06c680c r6:00000015 r5:00000025
[ 132.062956] r4:f002000c r3:ec4ffb48
[ 132.066520] [<c0008644>] (gic_handle_irq) from [<c0013240>] (__irq_svc+0x40/0x74)
[ 132.073980] Exception stack(0xec4ffb48 to 0xec4ffb90)
[ 132.079016] fb40: 00000001 ee257508 00000002 00000001 ee257504 ee257508
[ 132.087176] fb60: 00000000 c06bf27c 00000000 00000101 ee008000 ec4ffbb4 00000000 ec4ffb90
[ 132.095333] fb80: c002e124 c02046ac 60000153 ffffffff
[ 132.100367] r9:00000101 r8:00000000 r7:ec4ffb7c r6:ffffffff r5:60000153 r4:c02046ac
[ 132.108098] [<c002e09c>] (tasklet_hi_action) from [<c002d690>] (__do_softirq+0x138/0x38c)
[ 132.116251] r8:c06fb1ac r7:00000001 r6:00000283 r5:c06c6080 r4:00000000 r3:c002e09c
[ 132.123980] [<c002d558>] (__do_softirq) from [<c002dbb8>] (irq_exit+0xc8/0x104)
[ 132.131268] r10:ee008000 r9:ec4ffc80 r8:00000001 r7:00000000 r6:00000025 r5:00000000
[ 132.139080] r4:c06bfc54
[ 132.141600] [<c002daf0>] (irq_exit) from [<c0066340>] (__handle_domain_irq+0x88/0xf0)
[ 132.149409] r4:c06bfc54 r3:00000089
[ 132.152971] [<c00662b8>] (__handle_domain_irq) from [<c000867c>] (gic_handle_irq+0x38/0x70)
[ 132.161300] r10:00000080 r9:f0020000 r8:ec4ffc80 r7:c06c680c r6:0000000c r5:0000001c
[ 132.169112] r4:f002000c r3:ec4ffc80
[ 132.172675] [<c0008644>] (gic_handle_irq) from [<c0013240>] (__irq_svc+0x40/0x74)
[ 132.180137] Exception stack(0xec4ffc80 to 0xec4ffcc8)
[ 132.185173] fc80: ee22d664 ee194100 00000000 ec4fe000 60000053 00000400 00000002 ee22d420
[ 132.193332] fca0: c072df54 ee22d010 00000080 ec4ffcdc ec4ffcc8 ec4ffcc8 c04e6620 c04e6624
[ 132.201489] fcc0: 60000053 ffffffff
[ 132.204961] r9:ee22d010 r8:c072df54 r7:ec4ffcb4 r6:ffffffff r5:60000053 r4:c04e6624
[ 132.212694] [<c04e660c>] (_raw_spin_unlock_irqrestore) from [<c02b64d0>] (mixer_win_commit+0x4f0/0xcc8)
[ 132.222060] r4:c072df54 r3:ec4fe000
[ 132.225625] [<c02b5fe0>] (mixer_win_commit) from [<c02a8844>] (exynos_update_plane+0xac/0xb8)
[ 132.234126] r10:00000280 r9:ee256000 r8:00000080 r7:00000080 r6:ee22d420 r5:ee261400
[ 132.241937] r4:ee256000
[ 132.244461] [<c02a8798>] (exynos_update_plane) from [<c0293cbc>] (__setplane_internal+0x1a4/0x2c0)
[ 132.253395] r7:ee261400 r6:ee22d420 r5:00000002 r4:01e00000
[ 132.259041] [<c0293b18>] (__setplane_internal) from [<c0297800>] (drm_mode_setplane+0x180/0x244)
[ 132.267804] r9:000001e0 r8:01e00000 r7:00000000 r6:ee22d420 r5:ee261400 r4:ee22d460
[ 132.275535] [<c0297680>] (drm_mode_setplane) from [<c028a848>] (drm_ioctl+0x1d0/0x58c)
[ 132.283428] r10:ec4ffe54 r9:edbf7300 r8:ec4ffe54 r7:ee013800 r6:000000b7 r5:c072df54
[ 132.291240] r4:c06c6448
[ 132.293763] [<c028a678>] (drm_ioctl) from [<c010b62c>] (do_vfs_ioctl+0x430/0x614)
[ 132.301222] r10:ee3f2040 r9:bed45d38 r8:00000003 r7:bed45d38 r6:00000003 r5:edbf7000
[ 132.309034] r4:edbf7000
[ 132.311555] [<c010b1fc>] (do_vfs_ioctl) from [<c010b84c>] (SyS_ioctl+0x3c/0x64)
[ 132.318842] r10:00000000 r9:ec4fe000 r8:00000003 r7:bed45d38 r6:c03064b7 r5:edbf7000
[ 132.326654] r4:edbf7000
[ 132.329176] [<c010b810>] (SyS_ioctl) from [<c000ec40>] (ret_fast_syscall+0x0/0x34)
[ 132.336723] r8:c000ede4 r7:00000036 r6:c03064b7 r5:bed45d38 r4:00000000 r3:00000022
[ 132.344451] Code: e3130002 0affffaf eb09a67d eaffffad (e7f001f2)
[ 132.350528] ---[ end trace d428689b94df895c ]---
[ 132.355126] Kernel panic - not syncing: Fatal exception in interrupt
[ 132.361465] CPU2: stopping
[ 132.364155] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D W 4.0.1-debug+ #3
[ 132.371791] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 132.377866] Backtrace:
[ 132.380304] [<c0012484>] (dump_backtrace) from [<c001269c>] (show_stack+0x18/0x1c)
[ 132.387849] r6:c06e158c r5:ffffffff r4:00000000 r3:dc8ba201
[ 132.393497] [<c0012684>] (show_stack) from [<c04dfb94>] (dump_stack+0x88/0xc8)
[ 132.400698] [<c04dfb0c>] (dump_stack) from [<c0014894>] (handle_IPI+0x1c8/0x2c4)
[ 132.408073] r6:c06bfc54 r5:c06bfc54 r4:00000005 r3:ee0b0000
[ 132.413718] [<c00146cc>] (handle_IPI) from [<c00086b0>] (gic_handle_irq+0x6c/0x70)
[ 132.421267] r9:f0028000 r8:ee0b1f48 r7:c06c680c r6:fffffff5 r5:00000005 r4:f002800c
[ 132.428995] [<c0008644>] (gic_handle_irq) from [<c0013240>] (__irq_svc+0x40/0x74)
[ 132.436457] Exception stack(0xee0b1f48 to 0xee0b1f90)
[ 132.441493] 1f40: 00000001 00000000 00000000 c00206c0 c06c6518 c04eb3a4
[ 132.449653] 1f60: 00000000 00000000 c06c0dc0 00000001 c06fb774 ee0b1f9c ee0b1fa0 ee0b1f90
[ 132.457811] 1f80: c000f82c c000f830 600f0053 ffffffff
[ 132.462844] r9:00000001 r8:c06c0dc0 r7:ee0b1f7c r6:ffffffff r5:600f0053 r4:c000f830
[ 132.470575] [<c000f7f0>] (arch_cpu_idle) from [<c005b6e8>] (cpu_startup_entry+0x318/0x4ec)
[ 132.478818] [<c005b3d0>] (cpu_startup_entry) from [<c00144d0>] (secondary_start_kernel+0xf4/0x100)
[ 132.487755] r7:c06fd440
[ 132.490279] [<c00143dc>] (secondary_start_kernel) from [<40008744>] (0x40008744)
[ 132.497651] r4:6e09006a r3:c000872c
[ 132.501210] CPU3: stopping
[ 132.503904] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 4.0.1-debug+ #3
[ 132.511539] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 132.517614] Backtrace:
[ 132.520051] [<c0012484>] (dump_backtrace) from [<c001269c>] (show_stack+0x18/0x1c)
[ 132.527597] r6:c06e158c r5:ffffffff r4:00000000 r3:dc8ba201
[ 132.533243] [<c0012684>] (show_stack) from [<c04dfb94>] (dump_stack+0x88/0xc8)
[ 132.540446] [<c04dfb0c>] (dump_stack) from [<c0014894>] (handle_IPI+0x1c8/0x2c4)
[ 132.547820] r6:c06bfc54 r5:c06bfc54 r4:00000005 r3:ee0b2000
[ 132.553466] [<c00146cc>] (handle_IPI) from [<c00086b0>] (gic_handle_irq+0x6c/0x70)
[ 132.561014] r9:f002c000 r8:ee0b3f48 r7:c06c680c r6:fffffff5 r5:00000005 r4:f002c00c
[ 132.568743] [<c0008644>] (gic_handle_irq) from [<c0013240>] (__irq_svc+0x40/0x74)
[ 132.576205] Exception stack(0xee0b3f48 to 0xee0b3f90)
[ 132.581241] 3f40: 00000001 00000000 00000000 c00206c0 c06c6518 c04eb3a4
[ 132.589401] 3f60: 00000000 00000000 c06c0dc0 00000001 c06fb774 ee0b3f9c ee0b3fa0 ee0b3f90
[ 132.597558] 3f80: c000f82c c000f830 600f0053 ffffffff
[ 132.602591] r9:00000001 r8:c06c0dc0 r7:ee0b3f7c r6:ffffffff r5:600f0053 r4:c000f830
[ 132.610321] [<c000f7f0>] (arch_cpu_idle) from [<c005b6e8>] (cpu_startup_entry+0x318/0x4ec)
[ 132.618566] [<c005b3d0>] (cpu_startup_entry) from [<c00144d0>] (secondary_start_kernel+0xf4/0x100)
[ 132.627503] r7:c06fd440
[ 132.630023] [<c00143dc>] (secondary_start_kernel) from [<40008744>] (0x40008744)
[ 132.637399] r4:6e09006a r3:c000872c
[ 132.640958] CPU1: stopping
[ 132.643651] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D W 4.0.1-debug+ #3
[ 132.651287] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 132.657362] Backtrace:
[ 132.659799] [<c0012484>] (dump_backtrace) from [<c001269c>] (show_stack+0x18/0x1c)
[ 132.667344] r6:c06e158c r5:ffffffff r4:00000000 r3:dc8ba201
[ 132.672991] [<c0012684>] (show_stack) from [<c04dfb94>] (dump_stack+0x88/0xc8)
[ 132.680194] [<c04dfb0c>] (dump_stack) from [<c0014894>] (handle_IPI+0x1c8/0x2c4)
[ 132.687569] r6:c06bfc54 r5:c06bfc54 r4:00000005 r3:ee0ae000
[ 132.693214] [<c00146cc>] (handle_IPI) from [<c00086b0>] (gic_handle_irq+0x6c/0x70)
[ 132.700762] r9:f0024000 r8:ee0aff48 r7:c06c680c r6:fffffff5 r5:00000005 r4:f002400c
[ 132.708491] [<c0008644>] (gic_handle_irq) from [<c0013240>] (__irq_svc+0x40/0x74)
[ 132.715953] Exception stack(0xee0aff48 to 0xee0aff90)
[ 132.720989] ff40: 00000001 00000000 00000000 c00206c0 c06c6518 c04eb3a4
[ 132.729149] ff60: 00000000 00000000 c06c0dc0 00000001 c06fb774 ee0aff9c ee0affa0 ee0aff90
[ 132.737306] ff80: c000f82c c000f830 60070053 ffffffff
[ 132.742339] r9:00000001 r8:c06c0dc0 r7:ee0aff7c r6:ffffffff r5:60070053 r4:c000f830
[ 132.750069] [<c000f7f0>] (arch_cpu_idle) from [<c005b6e8>] (cpu_startup_entry+0x318/0x4ec)
[ 132.758314] [<c005b3d0>] (cpu_startup_entry) from [<c00144d0>] (secondary_start_kernel+0xf4/0x100)
[ 132.767251] r7:c06fd440
[ 132.769772] [<c00143dc>] (secondary_start_kernel) from [<40008744>] (0x40008744)
[ 132.777146] r4:6e09006a r3:c000872c
[ 132.780709] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Simplify the code and remove superfluous return statement. Just return
the result of fimd_iommu_attach_devices().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The Exynos DRM code does not modify the ops provided by CRTC driver in
exynos_drm_crtc_create() call.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Disabling the CONFIG_DRM_EXYNOS_FIMD (e.g. by enabling of CONFIG_FB_S3C)
leads to build error:
drivers/built-in.o: In function `exynos_dp_dpms':
binder.c:(.text+0xd6a840): undefined reference to `fimd_dp_clock_enable'
binder.c:(.text+0xd6ab54): undefined reference to `fimd_dp_clock_enable'
Fix this by changing direct call to fimd_dp_clock_enable() into optional
call to exynos_drm_crtc_ops->clock_enable(). Only the DRM_EXYNOS_FIMD
implements this op.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The platform_device_id is not modified by the driver and core uses it as
const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Move the defines for the pixelformats that the mixer supports out
of mixer_graph_buffer() to the top of the source.
Then select the mixer pixelformat (pf) in mixer_graph_buffer() based on
the plane's pf (and not bpp).
Also add handling of RGB565 and XRGB1555 to the switch statement and
exit early if the plane has an unsupported pf.
Partially based on 'drm/exynos: enable/disable blend based on pixel
format' by Gustavo Padovan <gustavo.padovan@collabora.co.uk>.
v2: Use the shorter MXR_FORMAT as prefix.
v3: Re-add ARGB8888 because of compatibility reasons
(suggested by Joonyoung Shim).
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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All the necessary code is already there, just need to
handle the format in the switch statement.
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The video processor (VP) supports four formats: NV12, NV21 and its
tiled variants. All these formats are bi-planar, so the buffer
count in vp_video_buffer() is always 2.
Also properly exit if we're called with an invalid (non-VP) pixelformat.
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Previously we were ignoring the buffer offsets that are
passed through the addfb2 ioctl. This didn't cause any
major issues, since for uni-planar formats (like XRGB8888)
userspace would most of the time just use offsets[0]=0.
However with NV12 offsets[1] is very likely non-zero.
So properly apply the offsets to our dma addresses.
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The previous code had some special case handling for the buffer
count in exynos_drm_format_num_buffers().
This code was incorrect though, since this special case doesn't
exist for DRM. It stemmed from the existence of the special NV12M
V4L2 format. NV12 is a bi-planar format (separate planes for luma
and chroma) and V4L2 differentiates between a NV12 buffer where
luma and chroma is contiguous in memory (so no data between
luma/chroma), and a NV12 buffer where luma and chroma have two
explicit memory locations (which is then called NV12M).
This distinction doesn't exist for DRM. A bi-planar format always
explicitly comes with the information about its two planes (even
if these planes should be contiguous).
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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into drm-fixes
msm fixes, pretty scattered.
* 'msm-fixes-4.1' of git://people.freedesktop.org/~robclark/linux:
drm/msm: fix locking inconsistencies in gpu->destroy()
drm/msm/dsi: Simplify the code to get the number of read byte
drm/msm: Attach assigned encoder to eDP and DSI connectors
drm/msm: setup vram after component_bind_all()
drm/msm/dsi: use pr_err_ratelimited
drm/msm: fix unbalanced DRM framebuffer init/destroy
drm/msm/mdp5: Fix iteration on INTF config array
drm/msm/dsi: Fixup missing *break* statement during cmd rx
drm/msm/dp: fix error return code
drm: msm: Fix build when legacy fbdev support isn't set
drm/msm/dsi: Fix a couple more 64-bit build warnings
drm/msm: Fix a couple of 64-bit build warnings
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In error paths, this was being called without struct_mutex held.
Leading to panics like:
msm 1a00000.qcom,mdss_mdp: No memory protection without IOMMU
Kernel panic - not syncing: BUG!
CPU: 0 PID: 1409 Comm: cat Not tainted 4.0.0-dirty #4
Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
Call trace:
[<ffffffc000089c78>] dump_backtrace+0x0/0x118
[<ffffffc000089da0>] show_stack+0x10/0x20
[<ffffffc0006686d4>] dump_stack+0x84/0xc4
[<ffffffc0006678b4>] panic+0xd0/0x210
[<ffffffc0003e1ce4>] drm_gem_object_free+0x5c/0x60
[<ffffffc000402870>] adreno_gpu_cleanup+0x60/0x80
[<ffffffc0004035a0>] a3xx_destroy+0x20/0x70
[<ffffffc0004036f4>] a3xx_gpu_init+0x84/0x108
[<ffffffc0004018b8>] adreno_load_gpu+0x58/0x190
[<ffffffc000419dac>] msm_open+0x74/0x88
[<ffffffc0003e0a48>] drm_open+0x168/0x400
[<ffffffc0003e7210>] drm_stub_open+0xa8/0x118
[<ffffffc0001a0e84>] chrdev_open+0x94/0x198
[<ffffffc000199f88>] do_dentry_open+0x208/0x310
[<ffffffc00019a4c4>] vfs_open+0x44/0x50
[<ffffffc0001aa26c>] do_last.isra.14+0x2c4/0xc10
[<ffffffc0001aac38>] path_openat+0x80/0x5e8
[<ffffffc0001ac354>] do_filp_open+0x2c/0x98
[<ffffffc00019b60c>] do_sys_open+0x13c/0x228
[<ffffffc00019b72c>] SyS_openat+0xc/0x18
CPU1: stopping
But there isn't any particularly good reason to hold struct_mutex for
teardown, so just standardize on calling it without the mutex held and
use the _unlocked() versions for GEM obj unref'ing
Signed-off-by: Rob Clark <robdclark@gmail.com>
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During cmd rx, only new versions of H/W provide register to read back
the real number of byte returned by panel. For the old versions, reading
this register will not get the right number. In fact, we only need to
assume the returned data is the same size as we expected, because later
we will check the data type to detect error.
Signed-off-by: Hai Li <hali@codeaurora.org>
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drm_mode_connector_attach_encoder() function call is missing
during eDP and DSI connector initialization. As a result,
no encoder is returned by DRM_IOCTL_MODE_GETCONNECTOR system
call. This change is to fix this issue.
Signed-off-by: Hai Li <hali@codeaurora.org>
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First of all, we don't want -EPROBE_DEFER when trying to bind children
to cause us to forget to free our vram. And second we don't want vram
allocation fail to trigger _unbind_all() before _bind_all().
Signed-off-by: Rob Clark <robdclark@gmail.com>
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When things go badly we can get a lot of these error irqs. Let's not
DoS the user.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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When msm_framebuffer_init() fails before calling drm_framebuffer_init(),
drm_framebuffer_cleanup() [called in msm_framebuffer_destroy()]
is still being called even though drm_framebuffer_init() was not
called for that buffer. Thus a NULL pointer derefencing:
[ 247.529691] Unable to handle kernel NULL pointer dereference at virtual address 0000027c
...
[ 247.563996] PC is at __mutex_lock_slowpath+0x94/0x3a8
...
[ 247.823025] [<c07c3c78>] (__mutex_lock_slowpath) from [<c07c3fac>] (mutex_lock+0x20/0x3c)
[ 247.831186] [<c07c3fac>] (mutex_lock) from [<c0347cf0>] (drm_framebuffer_cleanup+0x18/0x38)
[ 247.839520] [<c0347cf0>] (drm_framebuffer_cleanup) from [<c036d138>] (msm_framebuffer_destroy+0x48/0x100)
[ 247.849066] [<c036d138>] (msm_framebuffer_destroy) from [<c036d580>] (msm_framebuffer_init+0x1e8/0x228)
[ 247.858439] [<c036d580>] (msm_framebuffer_init) from [<c036d630>] (msm_framebuffer_create+0x70/0x134)
[ 247.867642] [<c036d630>] (msm_framebuffer_create) from [<c03493ec>] (internal_framebuffer_create+0x67c/0x7b4)
[ 247.877537] [<c03493ec>] (internal_framebuffer_create) from [<c034ce34>] (drm_mode_addfb2+0x20/0x98)
[ 247.886650] [<c034ce34>] (drm_mode_addfb2) from [<c034071c>] (drm_ioctl+0x240/0x420)
[ 247.894378] [<c034071c>] (drm_ioctl) from [<c011df7c>] (do_vfs_ioctl+0x4e4/0x5a4)
...
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
[plus initialize msm_fb to NULL to -Rob]
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The current iteration in get_dsi_id_from_intf() is wrong:
instead of iterating until hw_cfg->intf.count, we need to iterate
until MDP5_INTF_NUM_MAX here.
Let's take the example of msm8x16:
hw_cfg->intf.count = 1
intfs[0] = INTF_Disabled
intfs[1] = INTF_DSI
If we stop iterating once i reaches hw_cfg->intf.count (== 1),
we will miss the test for intfs[1].
Actually, this hw_cfg->intf.count entry is quite confusing and is not
(or *should not be*) used anywhere else; let's remove it.
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
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Signed-off-by: Hai Li <hali@codeaurora.org>
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Return a negative error code on failure.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
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ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
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The DRM_KMS_FB_HELPER config is selected only when DRM_MSM_FBDEV config is
selected. The driver accesses drm_fb_helper_* functions even when legacy fbdev
support is disabled in msm. Wrap around these functions with #ifdef checks to
prevent build break.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
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Avoid such errors at compilation time:
format '%d' expects argument of type 'int', but argument 3 has type 'size_t'
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
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Avoid casts from pointers to fixed-size integers to prevent the compiler
from warning. Print virtual memory addresses using %p instead. Also turn
a couple of %d/%x specifiers into %zu/%zd/%zx to avoid further warnings
due to mismatched format strings.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
fix one gpu hang on resume.
* tag 'drm-intel-fixes-2015-05-13' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Avoid GPU hang when coming out of s3 or s4
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This patch fixes a timing issue that causes a GPU hang when the system
comes out of power saving.
During pm_resume, We are submitting batchbuffers before enabling
Interrupts this is causing us to miss the context switch interrupt,
and in consequence intel_execlists_handle_ctx_events is not triggered.
This patch is based on a patch from Deepak S <deepak.s@intel.com>
from another platform.
The patch fixes an issue introduced by:
commit e7778be1eab918274f79603d7c17b3ec8be77386
drm/i915: Fix startup failure in LRC mode after recent init changes
The above patch added a call to init_context() to fix an issue introduced
by a previous patch. But, it then opened up a small timing window for the
batches being added by the init_context (basically setting up the context)
to complete before the interrupts have been turned on, thus hanging the
GPU.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89600
Cc: stable@vger.kernel.org # 4.0+
Signed-off-by: Peter Antoine <peter.antoine@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[Jani: fixed typo in subject, massaged the comments a bit]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This causes an oops as we haven't initialised the mst
layer.
Reported-by: Dave Jones <<davej@codemonkey.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The mapping range is inclusive between starting and ending addresses.
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
misc i915 fixes.
* tag 'drm-intel-fixes-2015-05-08' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Drop PIPE-A quirk for 945GSE HP Mini
drm/i915: Sink rate read should be saved in deca-kHz
drm/i915/dp: there is no audio on port A
drm/i915: Add missing MacBook Pro models with dual channel LVDS
drm/i915: Assume dual channel LVDS if pixel clock necessitates it
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Since the introduction of BIOS fb preservation, circa 3.17, we began
encountering a failure during boot when trying to use force-detect
before GEM was initialised. That bug is from
commit 7fad798e16fecddd41c6a91728a09f0b9507e40c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Jul 4 17:51:47 2012 +0200
drm/i915: ensure the force pipe A quirk is actually followed
but investigation of the affected machine revealed that it was using a
PIPE-A quirk even though it was a 945GSE and the quirk is only supposed
to be used to workaround a hardware issue on 830/845. That quirk was
added for this HP Mini in
commit 6b93afc564a5e74b0eaaa46c95f557449951b3b9
Author: Bryce Harrington <bryce@bryceharrington.org>
Date: Wed May 27 03:40:52 2009 -0700
add pipe a force quirk for Dell mini
in order to workaround an issue with the BIOS behaving strangely during
lid-close. Since then we have a much larger hammer to thwart the BIOS
after opening the lid and the PIPE-A quirk is no longer required.
Reported-and-tested-by: Apostolos B. <barz621@gmail.com>
References: https://bugs.freedesktop.org/show_bug.cgi?id=21960
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=87521
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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