drm/nv84/disp: Fix HDMI audio regression

Code refactoring in commit 8e9e3d2deacc460fbb8a4691140318f6e85e6891
(drm/nv84/disp: move hdmi control into core) disabled HDMI audio on my
nv84 by removing too much old code without adding it in the new one.
This patch adds the missing code within the new code layout resulting in
HDMI audio working again.
It should work on any HDMI head, but due to lacking ahrdware I could
only test the (1st) one.
It also might be possible that similar code is needed for nva3, which I
can't test.

Signed-off-by: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: ensure channels are stopped before saving fences for suspend

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv50/fifo: prevent races between clients updating playlists

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/fifo: prevent CHAN_TABLE_ERROR:CHANNEL_PENDING on fifo fini

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/fifo: prevent races between clients updating playlists

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nve0/fifo: prevent races between clients updating playlists

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nve0/ltcg: poke the partition count into yet another register

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/ltcg: fix handling of disabled partitions

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/ce: disable ce1 on a number of chipsets

The falcon is present, but the rest of the copy engine doesn't appear to
be...  PUNITS doesn't report disabled (maybe the bits for the copy engines
got added later?), so we end up trying to use a non-functional CE1, and
bust all sorts of things.. Most notably, suspend/resume..

Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios: fix thinko in ZM_MASK_ADD opcode

Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: fix build with nv50->nvc0

Signed-off-by: Dave Airlie <airlied@redhat.com>

drm/nve0: recognise nvf0 as a kepler board (GK110)

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau: force noaccel when no PFIFO support present

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvf0/disp: expose display class 2.2

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo: implement channel creation event generation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/core: allow non-maskable events

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/timer: allow alarms to be cancelled

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/device: tweak the device/subdev relationship a little

Fixes not-in-use engines not having their reset() method called on
resume.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/device: enable proper constructor/destructor

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/device: have engine object initialised before creation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/device: convert to engine, rather than subdev

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv50-/disp: use self as parent for subobjects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv50-/fifo: use parent as self for subobjects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv20-nv30/gr: use parent as self for subobjects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0-/gr: use self as parent for subobjects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv04-nv40/instmem: use self as parent for subobjects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv04-nv40/vm: use self as parent for subobjects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv50-/bar: use self as parent for subobjects

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv04-nv40/instmem: remove parent deref hack

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/i2c: remove parent deref hack

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/core: rebase object ref/use counts after ctor/init/fini events

This is intended to support named (with a handle, etc) objects having
children that don't have an outside reference.

This will replace the various hacks around the place where subdev
objects have children, and have to manually drop the self-refs so
that they can be destroyed etc when all the outside refs have gone.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv50/disp: inform core when we're not creating a new context

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/therm: send some messages to debug level

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nve0/gr: add handling for a bunch of PGRAPH traps

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/mc: handle irq-related setup ourselves

We need to be able to process interrupts before the DRM code is able to
actually enable them, set it up ourselves.  Also, it's less convoluted
to *not* use the DRM wrappers it appears...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv04/disp: hide all the cruft away in its own little hole

It'd be pretty awesome if someone would care enough to port this all
properly to a class interface, perhaps submitting a command stream to
the core via a sw object on PFIFO (emulating how EVO works basically,
and also what nvidia have done forever..)..

But, this seems unlikely given how old this hardware is now, so, lets
just hide it away.

There's a heap of other bits and pieces laying around that are still
tangled.  I'll (re)move them in pieces.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios: add missing newline on IO*_OR opcode debugging

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/bios: suppress some parser errors when dry-running scripts

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nve0: magic up some support for GF117

Seen in the wild, don't have the hardware but this hacks things up to
treat it the same as GF119 for now.

Should be relatively safe, I'd be very surprised if anything major
changed outside of PGRAPH.  PGRAPH (3D etc) is disabled by default
however until it's confirmed working.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0-/ltcg: Fix build on 32-bit platforms (v2)

v2: read, don't assume.. *puts on brown paper bag*

Signed-off-by: Roy Spliet <r.spliet@student.tudelft.nl>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/drm: adding support for backlight control of GT525M (NVC0)

This patch adds support for the backlight control of the NVIDIA GT
525M, which identifies itself as a member of the NVC0 family.

v2. Extended to handle Kepler too

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/drm: bump the driver version to 1.1.1 to report new features

Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/gr: add software methods to control some MP regs

Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0-: support NOUVEAU_GETPARAM_GRAPH_UNITS

Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0-/ltcg: implement VRAM compression

Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/ttm: allow tiled memtype on system memory buffer objects

Compression not supported, and will be silently dropped.  Original G80
can't handle this either and requires LINEAR memtype, though it's still
possible to correctly texture and m2mf to/from these objects anyway.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nve0/grctx: initial attempt at unhardcoding yet more magic

Not sure about the (gpc_nr == 1) condition, it's probably wrong but for
all the examples I've seen so far it matches what NVIDIA end up poking.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nv50/therm: implement temperature reading

Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/therm: split the nv50 and nv84 code

This is needed because temperature management on nv50 can be enabled and it
looks about the same as nv40.

Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/drm: fix crash in vram manager debug callback

It's probably impossible to hit it now on mainline kernel.
I only noticed it because one of my debugging patches uses it.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nvc0/fb: ignore readback page alloc failure to support userspace

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/disp: fix uninitialised eq_done in error path

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/shmobile: Fix race condition between page flip request and handler

The page flip handler stores the page flip event pointer and then calls
drm_vblank_get() to enable the vblank interrupt. Due to the vblank off
delay, the vblank interrupt can be enabled in the hardware at that
point, even if the vblank reference count is equal to 0. If a vblank
interrupt is triggered between storing the event pointer and calling
drm_vblank_get(), the page flip completion handler will process the
event and call drm_vblank_put() with a reference count equal to 0. This
will result in a BUG_ON.

Fix the race condition by calling drm_vblank_get() before storing the
event pointer.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drm: export drm_vm_open_locked

The EXYNOS DRM driver uses drm_vm_open_locked in its mmap() function,
and it can be built as a loadable module, which currently fails.
This exports the symbol from the DRM core to avoid

ERROR: "drm_vm_open_locked" [drivers/gpu/drm/exynos/exynosdrm.ko] undefined!

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drm/tilcdc: use only a single module device table

The tilcdc driver fails to be built as a module because of extraneous
MODULE_DEVICE_TABLE entries:

drivers/gpu/drm/tilcdc/tilcdc_slave.o:(.data+0x54): multiple definition of `__mod_of_device_table'
drivers/gpu/drm/tilcdc/tilcdc_tfp410.o:(.data+0x54): first defined here
drivers/gpu/drm/tilcdc/tilcdc_panel.o:(.data+0x54): multiple definition of `__mod_of_device_table'
drivers/gpu/drm/tilcdc/tilcdc_tfp410.o:(.data+0x54): first defined here
drivers/gpu/drm/tilcdc/tilcdc_drv.o:(.data+0x184): multiple definition of `__mod_of_device_table'
drivers/gpu/drm/tilcdc/tilcdc_tfp410.o:(.data+0x54): first defined here

Since the entire point of these entries is to make the module autoload
when one of the devices is present, it's enough to keep the one entry
for "ti,am33xx-tilcdc", which should always be there if any of the
others are.

Acked-by: Rob Clark <robdclark@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

Merge branch 'gma500-fixes' of git://github.com/patjak/drm-gma500 into drm-next

Two fixes for gma500. First one from Anisse allows us to handle ASLE irqs even
when BIOS doesn't trigger a pipe event irq. The second one allows dual head
setups to have a big shared framebuffer.

* 'gma500-fixes' of git://github.com/patjak/drm-gma500:
  drm/gma500: Increase max resolution for mode setting
  drm/gma500: fix backlight hotkeys behaviour on netbooks

drm/gma500: Increase max resolution for mode setting

By having a higher max resolution we can now set up a virtual
framebuffer that spans several monitors. 4096 should be ok since we're
gen 3 or higher and should be enough for most dual head setups.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

drm/gma500: fix backlight hotkeys behaviour on netbooks

Backlight hotkeys weren't working before on certain cedartrail laptops.

The source of this problem is that the hotkeys' ASLE opregion interrupts
were simply ignored. Driver seemed to expect the interrupt to be
associated with a pipe, but it wasn't.

Accepting the ASLE interrupt without an associated pipe event flag fixes
the issue, the backlight code is called when needed, making the
brightness keys work properly.

[patrik: This patch affects irq handling on any netbook with opregion support]

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=833597
Reference: http://lists.freedesktop.org/archives/dri-devel/2012-July/025279.html
Cc: stable@kernel.org
Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

drm/tilcdc: Fix checkpatch error in tilcdc_panel.c

Fixes the following checkpatch error:
ERROR: "foo * bar" should be "foo *bar"

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drm/tilcdc: Remove space before tab

Silences the following checkpatch warning:
WARNING: please, no space before tabs

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drm/tilcdc: Remove unnecessary braces

Silences the following checkpatch warning:
WARNING: braces {} are not necessary for any arm of this statement
if (priv->rev == 1) {

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/tilcdc: Makefile, only -Werror when no -W* in EXTRA_CFLAGS

  When make with EXTRA_CFLAGS=-W, it will report error.
  so give a check in Makefile.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drm/tilcdc: Fix an incorrect condition

Instead of checking if num_encoders is zero, it is being assigned 0.
Convert the assignment to a check.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

fbcon: when font is freed, clear also vc_font.data

commit ae1287865f5361fa138d4d3b1b6277908b54eac9
Author: Dave Airlie <airlied@redhat.com>
Date:   Thu Jan 24 16:12:41 2013 +1000

    fbcon: don't lose the console font across generic->chip driver switch

uses a pointer in vc->vc_font.data to load font into the new driver.
However if the font is actually freed, we need to clear the data
so that we don't reload font from dangling pointer.

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=892340
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

Merge branch 'drm-next-3.10-2' of git://people.freedesktop.org/~agd5f/linux into drm-next

Alex writes:
A few more updates for 3.10.  Nothing too major here.  Mostly bug fixes.
The big changes are adding golden register init for 7xx and newer asics
and some audio cleanups.

* 'drm-next-3.10-2' of git://people.freedesktop.org/~agd5f/linux: (32 commits)
  drm/radeon: disable UVD advanced semaphore mode
  drm/radeon: fix endian bugs in radeon_atom_get_clock_dividers() (v3)
  drm/radeon: fix up audio dto programming for DCE2
  drm/radeon/evergreen: set SAD registers
  drm: add drm_edid_to_eld helper extracting SADs from EDID (v2)
  drm/radeon/si: add support for golden register init
  drm/radeon/cayman,TN: add support for golden register init (v2)
  drm/radeon/evergreen: add support for golden register init
  drm/radeon/7xx: add support for golden register init
  drm/radeon: add helper function to support golden registers
  drm/radeon: fix typo in si_select_se_sh()
  drm/radeon: switch audio handling to use callbacks
  drm/radeon: clean up audio dto programming
  drm/radeon: clean up audio supported check
  drm/radeon: raise UVD clocks on init v3
  drm/radeon: raise UVD clocks only on demand
  drm/radeon: put UVD PLLs in bypass mode
  drm/radeon: disable audio format interrupts on Evergreen
  drm/radeon: fix hdmi mode enable on RS600/RS690/RS740
  drm/radeon/evergreen: write default channel numbers
  ...

drm/radeon: disable UVD advanced semaphore mode

Not needed and seems to cause some problems.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: fix endian bugs in radeon_atom_get_clock_dividers() (v3)

v2: fix copy paste typo.
v3: clarify new union member

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: fix up audio dto programming for DCE2

Uses a different register than DCE3 asics.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon/evergreen: set SAD registers

This allows audio (alsa) driver to read them and have a clue about audio
capabilities of connected receiver. This has been verified to be
compatible with fglrx behaviour for Onkyo TX-SR605 and Denon 1912.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm: add drm_edid_to_eld helper extracting SADs from EDID (v2)

Some devices (ATI/AMD cards) don't support passing ELD struct to the
hardware but just require filling specific registers and then the
hardware/firmware does the rest. In such cases we need to read the info
from SAD blocks and put them in the correct registers.

agd5f: note that the returned pointer needs to be kfreed as per
Christian's suggestion.

v2: fix warning

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon/si: add support for golden register init

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon/cayman,TN: add support for golden register init (v2)

v2: add richland support

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon/evergreen: add support for golden register init

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon/7xx: add support for golden register init

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: add helper function to support golden registers

Golden registers are arrays of register settings from the
hw team that need to be initialized at asic startup.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: fix typo in si_select_se_sh()

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon: switch audio handling to use callbacks

Register audio callbacks for asic where we support
audio.  Cleans up the code and makes it easier to
add support for newer asics.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: clean up audio dto programming

Split into DCE2/3 and DCE4/5 variants. Still todo is to
calculate the DTO dividers properly.  Add proper formula
to the comments.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: clean up audio supported check

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: raise UVD clocks on init v3

v2: not only raise the clocks on VCPU boot, but also on IB test.
v3: agd5f: fix r600_uvd_init return value.

fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=63730

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: raise UVD clocks only on demand

That not only saves some power, but also solves problems with
older chips where an idle UVD block on higher clocks can
cause problems.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: put UVD PLLs in bypass mode

Just power down the PLL when we get a VCLK or DCLK of zero.
Enabling the bypass mode early should also allow us to
switch UVD clocks on the fly.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: disable audio format interrupts on Evergreen

The audio format change interrupts are an aid in debugging,
but not required for operation.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: fix hdmi mode enable on RS600/RS690/RS740

These chips were previously skipped since they are
pre-R600.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon/evergreen: write default channel numbers

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon/evergreen: reorder HDMI setup

Driver fglrx setups audio and ACR packets after basic initialization,
which sounds sane, do the same.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon/evergreen: setup HDMI before enabling it

Closed source driver fglrx seems to enable infoframes and audio packets
at the end, which makes sense, do the same.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: add helpers for masking and setting bits in regs

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: fix alignment of UVD fence

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: cleanup UVD address checks

Message and feedback buffers must be at start of
VRAM, not at start of address space.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/radeon: disable the crtcs in mc_stop (evergreen+) (v2)

Just disabling the mem requests should be enough, but
that doesn't seem to work correctly on efi systems.

May fix:
https://bugs.freedesktop.org/show_bug.cgi?id=57567
https://bugs.freedesktop.org/show_bug.cgi?id=43655
https://bugzilla.kernel.org/show_bug.cgi?id=56441

v2: blank displays first, then disable.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon: disable the crtcs in mc_stop (r5xx-r7xx) (v2)

Just disabling the mem requests should be enough, but
that doesn't seem to work correctly on efi systems.

v2: blank displays first, then disable.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon: properly lock disp in mc_stop/resume for evergreen+

Need to wait for the new addresses to take affect before
re-enabling the MC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon: properly lock disp in mc_stop/resume for r5xx-r7xx

Need to wait for the new addresses to take affect before
re-enabling the MC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon: update wait_for_vblank for evergreen+

Properly wait for the next vblank region.  The previous
code didn't always wait long enough depending on the timing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon: update wait_for_vblank for r5xx-r7xx

Properly wait for the next vblank region.  The previous
code didn't always wait long enough depending on the timing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drm/radeon: update wait_for_vblank for r1xx-r4xx

Properly wait for the next vblank region.  The previous
code didn't always wait long enough depending on the timing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

Merge tag 'drm/tegra/for-3.10' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/tegra: Changes for v3.10-rc1

The bulk of this pull-request is the host1x series that has been in the
works for a few months. The current implementation looks good and has
been tested by several independent parties. So far no issues have been
found. To be on the safe side, the new Tegra-specific DRM IOCTLs depend
on staging in order to give some amount of flexibility to change them
just in case. The plan is to remove that dependency once more userspace
exists to verify the adequacy of the IOCTLs.

Currently only the 2D engine is supported, but patches are in the works
to enable 3D support on top of this framework as well. Various bits of
open-source userspace exist to test the 2D and 3D support[0]. This is
still a bit immature but it allows to verify that the kernel interfaces
work properly.

To round things off there are two smaller cleanup patches, one of them
adding a new pixel format and the other removing a redundent Kconfig
dependency.

[0]: https://github.com/grate-driver

* tag 'drm/tegra/for-3.10' of git://anongit.freedesktop.org/tegra/linux:
  drm/tegra: don't depend on OF
  drm/tegra: Support the XBGR8888 pixelformat
  drm/tegra: Add gr2d device
  gpu: host1x: drm: Add memory manager and fb
  gpu: host1x: Remove second host1x driver
  gpu: host1x: drm: Rename host1x to host1x_drm
  drm/tegra: Move drm to live under host1x
  gpu: host1x: Add debug support
  gpu: host1x: Add channel support
  gpu: host1x: Add syncpoint wait and interrupts
  gpu: host1x: Add host1x driver

drm/tegra: don't depend on OF

ARCH_TEGRA always enabled OF, so there's no need for any driver to
depend on it.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>

drm/tegra: Support the XBGR8888 pixelformat

While at it, also include the RGB565 pixelformat in the list of formats
supported by overlays.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>