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2013-02-20drm/nv50-/disp: initial work towards supporting external encodersBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50-/kms: remove unnecessary wait-for-completion pointsBen Skeggs
DP link training is now handled as part of the supervisor processing, and can no longer race with it. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50-/disp: move DP link training to core and train from supervisorBen Skeggs
We need to be able to do link training for PIOR-connected ANX9805 from the third supervisor handler (due to script ordering in the bios, can't have the "user" call train because some settings are overwritten from the modesetting bios scripts). This moves link training for SOR-connected DP encoders to the second supervisor interrupt, *before* we call the modesetting scripts (yes, different ordering from PIOR is necessary). This is useful since we should now be able to remove some hacks to workaround races between the supervisor and link training paths. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50-/disp: handle supervisor tasks from workqueueBen Skeggs
i2c_algo_bit sleeps... Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/i2c: create proper chipset-specific class implementationsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50-/disp: 0x0000 is a valid udisp config valueBen Skeggs
Return an out-of-range value instead to signal a failure from exec_clkcmp(). Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50/devinit: reverse the logic for running encoder init scriptsBen Skeggs
A single U encoder table can match multiple DCB entries, whereas the reverse is not true and can lead to us not matching a DCB entry at all, and fail to initialise some encoders. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/bios: store a type/mask hash in parsed dcb dataBen Skeggs
Matches format used by a couple of other vbios tables, useful to have laying around already calculated. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/i2c: extend type to 16-bits, add lookup-by-type functionBen Skeggs
For off-chip transmitters we won't necessarily have an i2c table entry to lookup, but we can do it instead by encoding the type to include the extdev type and looking that up instead. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/i2c: aux channels not necessarily on nvioBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/i2c: fix a bit of a thinko in nv_wri2cr helper functionsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/bios: parse external transmitter type if off-chipBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: store i2c port pointer directly in nouveau_encoderBen Skeggs
This is about to become somewhat more complicated to determine in a number of cases, so store the "common" case (DDC/AUX) directly inside the encoder structure. Pre-nv50 code not touched except to fill the pointer, don't care. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/i2c: handle i2c/aux mux outside of port lookup functionBen Skeggs
Not quite how I want it yet, but, I'll fix that at some point. For right now, it's needed because find() won't necessarily be used right before a transaction anymore. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50/graph: avoid touching 400724, it doesn't existBen Skeggs
Harmless, but we now get MMIO fault reports, so silence it. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: Fix DPMS 1 on G4 Snowball, from snow white to coal black.Stefan de Konink
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=40275. Signed-off-by: Stefan de Konink <stefan@konink.de> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/disp: sizeof() wrong pointerDan Carpenter
"data" is a void pointer and "args" is "data" after we have casted it to a struct. We care about the size of the struct here. Btw, sizeof(*data) is 1. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv84-/fence: prepare for emit/sync support of sysram sequencesBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/fence: make internal hooks part of the contextBen Skeggs
A step towards being able to provide fences from other engines not connected to PFIFO. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv17/fence: split from nv10 codeBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv84-/fence: abstract class emit/sync functions to virt+sequenceBen Skeggs
Now can be used to operate on any buffer mapped into the GPU virtual address and not just the main inter-channel sync buffer. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv84/fence: access fences with full virtual address, not offsetBen Skeggs
Allows most of the code to be shared between nv84/nvc0 implementations, and paves the way for doing emit/sync on non-VRAM buffers (multi-gpu, dma-buf). Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/gpio/nve0: interrupt regs moved on kepler apparentlyBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/gpio: use event interfaces for interrupt signallingBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/gpio: pass number of on-die gpio lines to baseBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/drm: store full dcb gpio function data in connectorBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/fence/nv84-: put processes to sleep while waiting on fencesBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/fifo/nvc0: bash some magic reg to make uevent interrupt workBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/fifo/nv84: support user event triggerBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/fifo/nvc0-: use interrupt 31 as an event triggerBen Skeggs
Generated if you try and use fifo method 0x20 on any subchannel, appears that it can be safely masked off without stalling the whole GPU. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/disp: port vblank handling to event interfaceBen Skeggs
This removes the nastiness with the interactions between display and software engines when handling vblank semaphore release interrupts. Now, all the semantics are handled in one place (sw) \o/. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/disp/nv04: implement a base display object classBen Skeggs
Will be used for upcoming vblank event interfaces. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/core: basic event interface between core and drmBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/fifo/nvc0: improve interrupt handler somewhatBen Skeggs
Logs extra info for interrupts that have a sub-status register, and handles the "special" ack from INTR bit 31. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv50/disp: fix missing sor modectrl sync flagsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/therm: reduce stack usage of nouveau_therm_ic_ctorMarcin Slusarz
Before: 1496 bytes After: 152 bytes Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/therm: use workqueue to shutdown the machineMarcin Slusarz
orderly_poweroff cannot be called from atomic context. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Acked-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nv40/therm: reset temperature sensor on initMarcin Slusarz
Current uninitialized sensor detection does not work for me on nv4b and sensor returns crazy values (>190°C). It stabilises later, but it's too late - therm code shutdowns the machine... Let's just reset it on init. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Acked-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/therm: turn on fan only when threshold hit in positive directionMarcin Slusarz
+ the same for shutdown threshold - seems impossible, but shutdown can fail. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Acked-by: Martin Peres <martin.peres@labri.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: report channel owner in ioctl error pathsMarcin Slusarz
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/therm: always initialize alarm_program_lockMarcin Slusarz
Fixes "BUG: spinlock bad magic" on module load for nva3+ cards. Introduced in commit "drm/nouveau/therm: implement support for temperature alarms". Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: handle backlight_device_register failureMarcin Slusarz
Found by smatch. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: use kmemdup for edid allocation/copyingMarcin Slusarz
Avoids potential null pointer dereference. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: use drm_property_create_range helperMarcin Slusarz
Avoids potential null pointer dereference. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: remove unnecessary null pointer check from nouveau_fence_newCong Ding
the variable chan is dereferenced in line 190, so it is no reason to check null again in line 198. Signed-off-by: Cong Ding <dinggnu@gmail.com> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nvc0/graph: remove redundant null checksMarcin Slusarz
It's safe to call kfree(NULL). Found by smatch. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/fan: fix selection of fan speed when fan->get returns an errorMarcin Slusarz
fan->get returns int, but we write it to unsigned variable, and then check whether it's >= 0 (it always is) Found by smatch: drivers/gpu/drm/nouveau/core/subdev/therm/fan.c:61 nouveau_fan_update() warn: always true condition '(duty >= 0) => (0-u32max >= 0)' Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: quiet static-related sparse noiseMarcin Slusarz
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau/bios: tiny debugging messages fixesMarcin Slusarz
COPY_ZM_REG: destination and source addresses were swapped RAM_RESTRICT_ZM_REG_GROUP: missing 0x prefix for register address Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-02-20drm/nouveau: mark nv_printk_ as printf-like functionMarcin Slusarz
...and fix all warnings Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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