openwrt/staging/blogic.git
14 years agodrm/i2c/ch7006: Fix up suspend/resume.
Francisco Jerez [Sat, 10 Jul 2010 20:34:13 +0000 (22:34 +0200)]
drm/i2c/ch7006: Fix up suspend/resume.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: reduce usage of fence spinlock to when absolutely necessary
Ben Skeggs [Mon, 31 May 2010 02:00:43 +0000 (12:00 +1000)]
drm/nouveau: reduce usage of fence spinlock to when absolutely necessary

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: fix RAMHT size
Ben Skeggs [Mon, 12 Jul 2010 03:45:51 +0000 (13:45 +1000)]
drm/nv50: fix RAMHT size

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: fix pcirom vbios shadow breakage from acpi rom patch
Ben Skeggs [Mon, 12 Jul 2010 03:15:44 +0000 (13:15 +1000)]
drm/nouveau: fix pcirom vbios shadow breakage from acpi rom patch

On nv50 it became impossible to attempt a PCI ROM shadow of the VBIOS,
which will break some setups.

This patch also removes the different ordering of shadow methods for
pre-nv50 chipsets.  The reason for the different ordering was paranoia,
but it should hopefully be OK to try shadowing PRAMIN first.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv04: Enable context switching on PFIFO init.
Francisco Jerez [Sun, 11 Jul 2010 15:19:15 +0000 (17:19 +0200)]
drm/nv04: Enable context switching on PFIFO init.

Fixes a lockup when coming back from suspend.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Disable PROM access on init.
Francisco Jerez [Sat, 10 Jul 2010 16:10:59 +0000 (18:10 +0200)]
drm/nouveau: Disable PROM access on init.

On older cards (<nv17) scanout gets blocked when the ROM is being
accessed. PROM access usually comes out enabled from suspend, switch
it off.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Fix crashes during fbcon init on single head cards.
Francisco Jerez [Sat, 10 Jul 2010 15:37:00 +0000 (17:37 +0200)]
drm/nouveau: Fix crashes during fbcon init on single head cards.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: initialise display before enabling interrupts
Ben Skeggs [Fri, 9 Jul 2010 00:56:08 +0000 (10:56 +1000)]
drm/nouveau: initialise display before enabling interrupts

In some situations it's possible we can receive a spurious hotplug IRQ
before we're ready to handle it, leading to an oops.

Calling the display init before enabling interrupts should clear any
pending IRQs on the GPU and prevent this from happening.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: move dp_set_tmds() function to happen in the last display irq
Ben Skeggs [Fri, 9 Jul 2010 00:37:42 +0000 (10:37 +1000)]
drm/nv50: move dp_set_tmds() function to happen in the last display irq

It seems on some chipsets that doing this from the 0x20 handler causes the
display engine to not ever signal the final 0x40 stage.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: fix mtrr cleanup path
Ben Skeggs [Thu, 8 Jul 2010 22:45:57 +0000 (08:45 +1000)]
drm/nouveau: fix mtrr cleanup path

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: fix dp_set_tmds to work on the right OR
Ben Skeggs [Thu, 8 Jul 2010 22:40:49 +0000 (08:40 +1000)]
drm/nv50: fix dp_set_tmds to work on the right OR

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv20-nv30: move context table object out of dev_priv
Ben Skeggs [Thu, 8 Jul 2010 05:40:18 +0000 (15:40 +1000)]
drm/nv20-nv30: move context table object out of dev_priv

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: cleanup nv50_fifo.c
Ben Skeggs [Thu, 8 Jul 2010 05:28:48 +0000 (15:28 +1000)]
drm/nv50: cleanup nv50_fifo.c

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: remove unused fbdev_info
Ben Skeggs [Thu, 8 Jul 2010 04:57:18 +0000 (14:57 +1000)]
drm/nouveau: remove unused fbdev_info

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: allocate fixed amount of PRAMIN per channel on all chipsets
Ben Skeggs [Thu, 8 Jul 2010 03:15:05 +0000 (13:15 +1000)]
drm/nouveau: allocate fixed amount of PRAMIN per channel on all chipsets

Previously only done on nv50+

This commit also switches unknown NV2x/NV3x chipsets to noaccel mode.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: remove ability to use external firmware
Ben Skeggs [Thu, 8 Jul 2010 01:53:19 +0000 (11:53 +1000)]
drm/nouveau: remove ability to use external firmware

This was always really a developer option, and if it's really necessary we
can hack this in ourselves.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: move tlb flushing to a helper function
Ben Skeggs [Thu, 8 Jul 2010 01:39:18 +0000 (11:39 +1000)]
drm/nv50: move tlb flushing to a helper function

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: add instmem flush() hook
Ben Skeggs [Thu, 8 Jul 2010 01:29:10 +0000 (11:29 +1000)]
drm/nouveau: add instmem flush() hook

This removes the previous prepare_access() and finish_access() hooks, and
replaces it with a much simpler flush() hook.

All the chipset-specific code before nv50 has its use removed completely,
as it's not required there at all.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: implement DAC disconnect fix missed in earlier commit
Ben Skeggs [Wed, 7 Jul 2010 01:05:48 +0000 (11:05 +1000)]
drm/nv50: implement DAC disconnect fix missed in earlier commit

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: remove dev_priv->init_state and friends
Ben Skeggs [Mon, 7 Jun 2010 05:38:27 +0000 (15:38 +1000)]
drm/nouveau: remove dev_priv->init_state and friends

Nouveau will no longer load at all if card initialisation fails, so all
these checks are unnecessary.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: add scaler-only modes for eDP too
Ben Skeggs [Tue, 6 Jul 2010 01:27:52 +0000 (11:27 +1000)]
drm/nouveau: add scaler-only modes for eDP too

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: set DP display power state during DPMS
Ben Skeggs [Tue, 6 Jul 2010 01:20:17 +0000 (11:20 +1000)]
drm/nv50: set DP display power state during DPMS

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: move DP script invocation to nouveau_dp.c
Ben Skeggs [Tue, 6 Jul 2010 01:00:42 +0000 (11:00 +1000)]
drm/nouveau: move DP script invocation to nouveau_dp.c

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: rewrite display irq handler
Ben Skeggs [Mon, 5 Jul 2010 22:54:34 +0000 (08:54 +1000)]
drm/nv50: rewrite display irq handler

The previous handler basically worked correctly for a full-blown mode
change.  However, it did nothing at all when a partial (encoder only)
reconfiguation was necessary, leading to the display hanging on certain
types of mode switch.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: send evo "update" command after each disconnect
Ben Skeggs [Mon, 5 Jul 2010 05:19:16 +0000 (15:19 +1000)]
drm/nv50: send evo "update" command after each disconnect

It turns out that the display engine signals an interrupt for disconnects
too.  In order to make it easier to process the display interrupts
correctly, we want to ensure we only get one operation per interrupt
sequence - this is what this commit achieves.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Workaround broken TV load detection on a "Zotac FX5200".
Francisco Jerez [Sun, 4 Jul 2010 14:46:01 +0000 (16:46 +0200)]
drm/nouveau: Workaround broken TV load detection on a "Zotac FX5200".

The blob seems to have the same problem so it's probably a hardware
issue (bug 28810).

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Move the fence wait before migration resource clean-up.
Francisco Jerez [Sun, 4 Jul 2010 10:54:23 +0000 (12:54 +0200)]
drm/nouveau: Move the fence wait before migration resource clean-up.

Avoids an oops in the fence wait failure path (bug 26521).

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv04-nv40: Drop redundant logging.
Francisco Jerez [Sun, 4 Jul 2010 02:03:48 +0000 (04:03 +0200)]
drm/nv04-nv40: Drop redundant logging.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: INIT_CONFIGURE_PREINIT/CLK/MEM on newer BIOSes is not an error.
Francisco Jerez [Sat, 3 Jul 2010 18:47:44 +0000 (20:47 +0200)]
drm/nouveau: INIT_CONFIGURE_PREINIT/CLK/MEM on newer BIOSes is not an error.

No need to spam the logs when they're found, they're equivalent to
INIT_DONE.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Fix a couple of sparse warnings.
Francisco Jerez [Sat, 3 Jul 2010 16:36:39 +0000 (18:36 +0200)]
drm/nouveau: Fix a couple of sparse warnings.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv04-nv40: Disable connector polling when there're no spare CRTCs left.
Francisco Jerez [Sat, 3 Jul 2010 13:52:03 +0000 (15:52 +0200)]
drm/nv04-nv40: Disable connector polling when there're no spare CRTCs left.

Load detection needs the connector wired to a CRTC, when there are no
inactive CRTCs left that means we need to cut some other head off for
a while, causing intermittent flickering.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv04-nv40: Prevent invalid DAC/TVDAC combinations.
Francisco Jerez [Sun, 4 Jul 2010 14:14:42 +0000 (16:14 +0200)]
drm/nv04-nv40: Prevent invalid DAC/TVDAC combinations.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv17-nv40: Avoid using active CRTCs for load detection.
Francisco Jerez [Sat, 3 Jul 2010 10:47:14 +0000 (12:47 +0200)]
drm/nv17-nv40: Avoid using active CRTCs for load detection.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: when debugging on, log which crtc we connect an encoder to
Ben Skeggs [Fri, 2 Jul 2010 03:47:38 +0000 (13:47 +1000)]
drm/nv50: when debugging on, log which crtc we connect an encoder to

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: supply encoder disable() hook for SOR outputs
Ben Skeggs [Thu, 1 Jul 2010 05:33:45 +0000 (15:33 +1000)]
drm/nv50: supply encoder disable() hook for SOR outputs

Allows us to remove a driver hack that used to be necessary to disable
encoders in certain situations before setting up a mode.  The DRM has
better knowledge of when this is needed than the driver does.

This fixes a number of display switching issues.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: DCB quirk for Dell M6300
Ben Skeggs [Thu, 1 Jul 2010 01:31:45 +0000 (11:31 +1000)]
drm/nv50: DCB quirk for Dell M6300

Uncertain if this is a weirdo configuration, or a BIOS bug.  If it's not
a BIOS bug, we still don't know how to make it work anyway so ignore a
"conflicting" DCB entry to prevent a display hang.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: fix DP->DVI if output has been programmed for native DP previously
Ben Skeggs [Wed, 30 Jun 2010 05:25:57 +0000 (15:25 +1000)]
drm/nv50: fix DP->DVI if output has been programmed for native DP previously

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: downgrade severity of most init table parser errors
Ben Skeggs [Tue, 29 Jun 2010 06:09:24 +0000 (16:09 +1000)]
drm/nouveau: downgrade severity of most init table parser errors

As long as we know the length of the opcode, we're probably better off
trying to parse the remainder of an init table rather than aborting in
the middle of it.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: tidy connector/encoder creation a little
Ben Skeggs [Mon, 28 Jun 2010 04:35:50 +0000 (14:35 +1000)]
drm/nouveau: tidy connector/encoder creation a little

Create connectors before encoders to avoid having to do another loop across
encoder list whenever we create a new connector.  This allows us to pass
the connector to the encoder creation functions, and avoid using a
create_resources() callback since we can now call it directly.

This can also potentially modify the connector ordering on nv50.  On cards
where the DCB connector and encoder tables are in the same order, things
will be unchanged.  However, there's some cards where the ordering between
the tables differ, and in one case, leads us to naming the connectors
"wrongly".

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: set encoder for lvds
Albert Damen [Sun, 20 Jun 2010 14:57:57 +0000 (16:57 +0200)]
drm/nouveau: set encoder for lvds

fixes oops in nouveau_connector_get_modes with nv_encoder is NULL

Signed-off-by: Albert Damen <albrt@gmx.net>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Ignore broken legacy I2C entries.
Francisco Jerez [Sat, 19 Jun 2010 11:54:48 +0000 (13:54 +0200)]
drm/nouveau: Ignore broken legacy I2C entries.

The nv05 card in the bug report [1] doesn't have usable I2C port
register offsets (they're all filled with zeros). Ignore them and use
the defaults.

[1] http://bugs.launchpad.net/bugs/569505

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Don't clear AGPCMD completely on INIT_RESET.
Francisco Jerez [Thu, 17 Jun 2010 10:42:14 +0000 (12:42 +0200)]
drm/nouveau: Don't clear AGPCMD completely on INIT_RESET.

We just need to clear the SBA and ENABLE bits to reset the AGP
controller: If the AGP bridge was configured to use "fast writes",
clearing the FW bit would break the subsequent MMIO writes and
eventually end with a lockup.

Note that all the BIOSes I've seen do the same as we did (it works for
them because they don't use MMIO), OTOH the blob leaves FW untouched.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: Put the dithering check back in nouveau_connector_create.
Francisco Jerez [Wed, 16 Jun 2010 13:52:44 +0000 (15:52 +0200)]
drm/nouveau: Put the dithering check back in nouveau_connector_create.

a7b9f9e5adef dropped it by accident.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Tested-by: Thibaut Girka <thib@sitedethib.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nv50: fix memory detection for cards with >=4GiB VRAM
Ben Skeggs [Wed, 2 Jun 2010 00:12:00 +0000 (10:12 +1000)]
drm/nv50: fix memory detection for cards with >=4GiB VRAM

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: missed some braces
Ben Skeggs [Tue, 1 Jun 2010 22:38:19 +0000 (08:38 +1000)]
drm/nouveau: missed some braces

Luckily this had absolutely no effect whatsoever :)

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: remove left-over !DRIVER_MODESET paths
Ben Skeggs [Tue, 1 Jun 2010 05:56:22 +0000 (15:56 +1000)]
drm/nouveau: remove left-over !DRIVER_MODESET paths

It's far preferable to have the driver do nothing at all for "nomodeset".

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: use drm_mm in preference to custom code doing the same thing
Ben Skeggs [Tue, 1 Jun 2010 05:32:24 +0000 (15:32 +1000)]
drm/nouveau: use drm_mm in preference to custom code doing the same thing

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: move LVDS detection back to connector detect() time
Ben Skeggs [Tue, 1 Jun 2010 03:32:42 +0000 (13:32 +1000)]
drm/nouveau: move LVDS detection back to connector detect() time

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/nouveau: place notifiers in system memory by default
Ben Skeggs [Mon, 31 May 2010 23:47:43 +0000 (09:47 +1000)]
drm/nouveau: place notifiers in system memory by default

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm: disable encoder rather than dpms off in drm_crtc_prepare_encoders()
Ben Skeggs [Thu, 1 Jul 2010 06:49:57 +0000 (16:49 +1000)]
drm: disable encoder rather than dpms off in drm_crtc_prepare_encoders()

Original behaviour will be preserved for drivers that don't implement
disable() hooks for an encoder.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: add PCI requirements to low-level drivers.
Dave Airlie [Thu, 8 Jul 2010 21:43:27 +0000 (07:43 +1000)]
drm: add PCI requirements to low-level drivers.

Now that highlevel DRM no longer requires PCI, we can move the requirement
into the lowlevel drivers.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agoMerge branch 'drm-tracepoints' into drm-testing
Dave Airlie [Wed, 7 Jul 2010 08:38:44 +0000 (18:38 +1000)]
Merge branch 'drm-tracepoints' into drm-testing

14 years agodrm/kms: add crtc disable function
Alex Deucher [Fri, 11 Jun 2010 21:04:35 +0000 (17:04 -0400)]
drm/kms: add crtc disable function

More explicit than dpms. Same as the encoder disable function.

Need this to explicity disconnect plls from crtcs for reuse when you
plls:crtcs ratio isn't 1:1.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agoMerge branch 'drm-intel-lru' into drm-testing
Dave Airlie [Wed, 7 Jul 2010 08:37:37 +0000 (18:37 +1000)]
Merge branch 'drm-intel-lru' into drm-testing

* drm-intel-lru:
  drm: implement helper functions for scanning lru list
  drm_mm: extract check_free_mm_node
  drm: sane naming for drm_mm.c
  drm: kill dead code in drm_mm.c
  drm: kill drm_mm_node->private
  drm: use list_for_each_entry in drm_mm.c

14 years agoMerge branch 'drm-platform' into drm-testing
Dave Airlie [Wed, 7 Jul 2010 08:37:35 +0000 (18:37 +1000)]
Merge branch 'drm-platform' into drm-testing

* drm-platform:
  drm: Make sure the DRM offset matches the CPU
  drm: Add __arm defines to DRM
  drm: Add support for platform devices to register as DRM devices
  drm: Remove drm_resource wrappers

14 years agoMerge tag 'v2.6.35-rc4' into drm-testing
Dave Airlie [Wed, 7 Jul 2010 08:37:34 +0000 (18:37 +1000)]
Merge tag 'v2.6.35-rc4' into drm-testing

14 years agodrm: correctly update connector DPMS status in drm_fb_helper
Jesse Barnes [Fri, 2 Jul 2010 17:48:08 +0000 (10:48 -0700)]
drm: correctly update connector DPMS status in drm_fb_helper

We don't currently update the DPMS status of the connector (both in the
connector itself and the connector's DPMS property) in the fb helper
code.  This means that if the kernel FB core has blanked the screen,
sysfs will still show a DPMS status of "on".  It also means that when X
starts, it will try to light up the connectors, but the drm_crtc_helper
code will ignore the DPMS change since according to the connector, the
DPMS status is already on.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28436 (the annoying
"my screen was blanked when I started X and now it won't light up" bug).

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/radeon/kms: fix shared ddc handling
Alex Deucher [Thu, 1 Jul 2010 14:34:56 +0000 (10:34 -0400)]
drm/radeon/kms: fix shared ddc handling

Connectors with a shared ddc line can be connected to different
encoders.

Reported by Pasi Kärkkäinen <pasik@iki.fi> on dri-devel

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: implement helper functions for scanning lru list
Daniel Vetter [Fri, 2 Jul 2010 14:02:16 +0000 (15:02 +0100)]
drm: implement helper functions for scanning lru list

These helper functions can be used to efficiently scan lru list
for eviction. Eviction becomes a three stage process:
1. Scanning through the lru list until a suitable hole has been found.
2. Scan backwards to restore drm_mm consistency and find out which
   objects fall into the hole.
3. Evict the objects that fall into the hole.

These helper functions don't allocate any memory (at the price of
not allowing any other concurrent operations). Hence this can also be
used for ttm (which does lru scanning under a spinlock).

Evicting objects in this fashion should be more fair than the current
approach by i915 (scan the lru for a object large enough to contain
the new object). It's also more efficient than the current approach used
by ttm (uncoditionally evict objects from the lru until there's enough
free space).

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thomas Hellstrom <thellstrom@vmwgfx.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm_mm: extract check_free_mm_node
Daniel Vetter [Fri, 2 Jul 2010 14:02:15 +0000 (15:02 +0100)]
drm_mm: extract check_free_mm_node

There are already two copies of this logic. And the new scanning
stuff will add some more. So extract it into a small helper
function.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thomas Hellstrom <thellstrom@vmwgfx.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: sane naming for drm_mm.c
Daniel Vetter [Fri, 2 Jul 2010 14:02:14 +0000 (15:02 +0100)]
drm: sane naming for drm_mm.c

Yeah, I've kinda noticed that fl_entry is the free stack. Still
give it (and the memory node list ml_entry) decent names.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thomas Hellstrom <thellstrom@vmwgfx.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: kill dead code in drm_mm.c
Daniel Vetter [Fri, 2 Jul 2010 14:02:13 +0000 (15:02 +0100)]
drm: kill dead code in drm_mm.c

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thomas Hellstrom <thellstrom@vmwgfx.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: kill drm_mm_node->private
Daniel Vetter [Fri, 2 Jul 2010 14:02:12 +0000 (15:02 +0100)]
drm: kill drm_mm_node->private

Only ever assigned, never used.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[glisse: I will re-add if needed for range-restricted allocations]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: use list_for_each_entry in drm_mm.c
Daniel Vetter [Fri, 2 Jul 2010 14:02:11 +0000 (15:02 +0100)]
drm: use list_for_each_entry in drm_mm.c

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Thomas Hellstrom <thellstrom@vmwgfx.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm/ttm: Allocate the page pool manager in the heap.
Francisco Jerez [Sun, 4 Jul 2010 02:03:07 +0000 (04:03 +0200)]
drm/ttm: Allocate the page pool manager in the heap.

Repeated ttm_page_alloc_init/fini fails noisily because the pool
manager kobj isn't zeroed out between uses (we could do just that but
statically allocated kobjects are generally considered a bad thing).
Move it to kzalloc'ed memory.

Note that this patch drops the refcounting behavior of the pool
allocator init/fini functions: it would have led to a race condition
in its current form, and anyway it was never exploited.

This fixes a regression with reloading kms modules at runtime, since
page allocator was introduced.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agoLinux 2.6.35-rc4
Linus Torvalds [Mon, 5 Jul 2010 03:22:50 +0000 (20:22 -0700)]
Linux 2.6.35-rc4

14 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Mon, 5 Jul 2010 03:21:39 +0000 (20:21 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: 6205/1: perf: ensure counter delta is treated as unsigned
  ARM: 6202/1: Do not ARM_DMA_MEM_BUFFERABLE on RealView boards with L210/L220
  ARM: 6201/1: RealView: Do not use outer_sync() on ARM11MPCore boards with L220
  ARM: 6195/1: OMAP3: pmu: make CPU_HAS_PMU dependent on OMAP3_EMU
  ARM: 6194/1: change definition of cpu_relax() for ARM11MPCore
  ARM: 6193/1: RealView: Align the machine_desc.phys_io to 1MB section
  ARM: 6192/1: VExpress: Align the machine_desc.phys_io to 1MB section
  ARM: 6188/1: Add a config option for the ARM11MPCore DMA cache maintenance workaround
  ARM: 6187/1: The v6_dma_inv_range() function must preserve data on SMP
  ARM: 6186/1: Avoid the CONSISTENT_DMA_SIZE warning on noMMU builds
  ARM: mx3: mx31lilly: fix build error for !CONFIG_USB_ULPI
  [ARM] mmp: fix build failure due to IRQ_PMU depends on ARCH_PXA
  [ARM] pxa/mioa701: fix camera regression
  [ARM] pxa/z2: fix flash layout to final version
  [ARM] pxa/z2: fix missing include in battery driver
  [ARM] pxa: fix incorrect gpio type in udc_pxa2xx.h

14 years agoMerge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 5 Jul 2010 03:20:53 +0000 (20:20 -0700)]
Merge branch 'perf-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf, x86: Fix incorrect branches event on AMD CPUs
  perf tools: Fix find tids routine by excluding "." and ".."
  x86: Send a SIGTRAP for user icebp traps

14 years agomodule: initialize module dynamic debug later
Yehuda Sadeh [Sat, 3 Jul 2010 03:07:35 +0000 (13:07 +1000)]
module: initialize module dynamic debug later

We should initialize the module dynamic debug datastructures
only after determining that the module is not loaded yet. This
fixes a bug that introduced in 2.6.35-rc2, where when a trying
to load a module twice, we also load it's dynamic printing data
twice which causes all sorts of nasty issues. Also handle
the dynamic debug cleanup later on failure.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (removed a #ifdef)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Mon, 5 Jul 2010 03:13:31 +0000 (20:13 -0700)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: remove block number from inode lookup code
  xfs: rename XFS_IGET_BULKSTAT to XFS_IGET_UNTRUSTED
  xfs: validate untrusted inode numbers during lookup
  xfs: always use iget in bulkstat
  xfs: prevent swapext from operating on write-only files

14 years agoMerge branch 'merge-devicetree' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Mon, 5 Jul 2010 03:12:31 +0000 (20:12 -0700)]
Merge branch 'merge-devicetree' of git://git.secretlab.ca/git/linux-2.6

* 'merge-devicetree' of git://git.secretlab.ca/git/linux-2.6:
  of/dma: fix build breakage in ppc4xx adma driver

14 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Mon, 5 Jul 2010 03:12:06 +0000 (20:12 -0700)]
Merge branch 'for_linus' of git://git./linux/kernel/git/mchehab/i7core

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/i7core:
  MAINTAINERS: Add an entry for i7core_edac
  i7core_edac: Avoid doing multiple probes for the same card
  i7core_edac: Properly discover the first QPI device

14 years agoMerge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuil...
Linus Torvalds [Mon, 5 Jul 2010 02:55:23 +0000 (19:55 -0700)]
Merge branch 'rc-fixes' of git://git./linux/kernel/git/mmarek/kbuild-2.6

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
  kbuild: Propagate LOCALVERSION= down to scripts/setlocalversion
  kbuild: Clean up and speed up the localversion logic

14 years agoARM: 6205/1: perf: ensure counter delta is treated as unsigned
Will Deacon [Fri, 2 Jul 2010 15:41:52 +0000 (16:41 +0100)]
ARM: 6205/1: perf: ensure counter delta is treated as unsigned

Hardware performance counters on ARM are 32-bits wide but atomic64_t
variables are used to represent counter data in the hw_perf_event structure.

The armpmu_event_update function right-shifts a signed 64-bit delta variable
and adds the result to the event count. This can lead to shifting in sign-bits
if the MSB of the 32-bit counter value is set. This results in perf output
such as:

 Performance counter stats for 'sleep 20':

 18446744073460670464  cycles             <-- 0xFFFFFFFFF12A6000
        7783773  instructions             #      0.000 IPC
            465  context-switches
            161  page-faults
        1172393  branches

   20.154242147  seconds time elapsed

This patch ensures that the delta value is treated as unsigned so that the
right shift sets the upper bits to zero.

Cc: <stable@kernel.org>
Acked-by: Jamie Iles <jamie.iles@picochip.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoperf, x86: Fix incorrect branches event on AMD CPUs
Vince Weaver [Thu, 1 Jul 2010 19:30:16 +0000 (15:30 -0400)]
perf, x86: Fix incorrect branches event on AMD CPUs

While doing some performance counter validation tests on some
assembly language programs I noticed that the "branches:u"
count was very wrong on AMD machines.

It looks like the wrong event was selected.

Signed-off-by: Vince Weaver <vweaver1@eecs.utk.edu>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: <stable@kernel.org>
LKML-Reference: <alpine.DEB.2.00.1007011526010.23160@cl320.eecs.utk.edu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
14 years agoof/dma: fix build breakage in ppc4xx adma driver
Dan Williams [Fri, 2 Jul 2010 21:46:17 +0000 (15:46 -0600)]
of/dma: fix build breakage in ppc4xx adma driver

Convert ppc4xx adma driver to use new node pointer location

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
14 years agoMAINTAINERS: Add an entry for i7core_edac
Mauro Carvalho Chehab [Wed, 30 Jun 2010 04:45:28 +0000 (01:45 -0300)]
MAINTAINERS: Add an entry for i7core_edac

While here, fixes the mailing list for i5400_edac

Acked-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agoi7core_edac: Avoid doing multiple probes for the same card
Mauro Carvalho Chehab [Wed, 30 Jun 2010 04:42:21 +0000 (01:42 -0300)]
i7core_edac: Avoid doing multiple probes for the same card

As Nehalem/Nehalem-EP/Westmere devices uses several devices for the same
functionality (memory controller), the default way of proping devices doesn't
work. So, instead of a per-device probe, all devices should be probed at once.

This means that we should block any new attempt of probe, otherwise, it will
try to register the same device several times.

Acked-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agoi7core_edac: Properly discover the first QPI device
Mauro Carvalho Chehab [Wed, 30 Jun 2010 04:41:35 +0000 (01:41 -0300)]
i7core_edac: Properly discover the first QPI device

On Nehalem/Nehalem-EP/Westmere, the first QPI device is the last PCI bus.
The last bus is generally at 0x3f or 0xff, but there are also other systems
using different setups. For example, HP Z800 has 0x7f as the last bus.

This patch adds a logic to discover the last bus, dynamically detecting it
at runtime.

Acked-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
14 years agoMerge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 2 Jul 2010 16:52:58 +0000 (09:52 -0700)]
Merge branch 'sched-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: Cure nr_iowait_cpu() users
  init: Fix comment
  init, sched: Fix race between init and kthreadd

14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Linus Torvalds [Fri, 2 Jul 2010 16:52:31 +0000 (09:52 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/bp/bp

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  amd64_edac: Fix syndrome calculation on K8

14 years agoamd64_edac: Fix syndrome calculation on K8
Borislav Petkov [Fri, 2 Jul 2010 15:02:43 +0000 (17:02 +0200)]
amd64_edac: Fix syndrome calculation on K8

When calculating the DCT channel from the syndrome we need to know the
syndrome type (x4 vs x8). On F10h, this is read out from extended PCI
cfg space register F3x180 while on K8 we only support x4 syndromes and
don't have extended PCI config space anyway.

Make the code accessing F3x180 F10h only and fall back to x4 syndromes
on everything else.

Cc: <stable@kernel.org> # .33.x .34.x
Reported-by: Jeffrey Merkey <jeffmerkey@gmail.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
14 years agoMerge branch 'setlocalversion-speedup' into kbuild/rc-fixes
Michal Marek [Fri, 2 Jul 2010 09:56:52 +0000 (11:56 +0200)]
Merge branch 'setlocalversion-speedup' into kbuild/rc-fixes

Conflicts:
Makefile

14 years agoARM: 6202/1: Do not ARM_DMA_MEM_BUFFERABLE on RealView boards with L210/L220
Catalin Marinas [Thu, 1 Jul 2010 12:22:48 +0000 (13:22 +0100)]
ARM: 6202/1: Do not ARM_DMA_MEM_BUFFERABLE on RealView boards with L210/L220

RealView boards with certain revisions of the L210/L220 cache controller
may have issues (hardware deadlock) with the mandatory barriers (DSB
followed by an L2 cache sync) when ARM_DMA_MEM_BUFFERABLE is enabled.
The patch disables ARM_DMA_MEM_BUFFERABLE for these boards.

Tested-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: 6201/1: RealView: Do not use outer_sync() on ARM11MPCore boards with L220
Catalin Marinas [Thu, 1 Jul 2010 12:21:47 +0000 (13:21 +0100)]
ARM: 6201/1: RealView: Do not use outer_sync() on ARM11MPCore boards with L220

RealView boards with certain revisions of the L220 cache controller (ARM11*
processors only) may have issues (hardware deadlock) with the recent changes to
the mb() barrier implementation (DSB followed by an L2 cache sync). The patch
redefines the RealView ARM11MPCore mandatory barriers without the outer_sync()
call.

Cc: <stable@kernel.org>
Tested-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agodrm/i915: add tracepoints for flip requests & completions
Jesse Barnes [Thu, 1 Jul 2010 23:48:37 +0000 (16:48 -0700)]
drm/i915: add tracepoints for flip requests & completions

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: add per-event vblank event trace points
Jesse Barnes [Thu, 1 Jul 2010 23:48:09 +0000 (16:48 -0700)]
drm: add per-event vblank event trace points

Allows us to track each process that requests and completes events.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agodrm: add vblank event trace point
Jesse Barnes [Thu, 1 Jul 2010 23:47:31 +0000 (16:47 -0700)]
drm: add vblank event trace point

Emit a trace point for vblank events.  This can be helpful for mapping
drawing activity against the vblank frequency and period.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt...
Linus Torvalds [Fri, 2 Jul 2010 01:48:11 +0000 (18:48 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/anholt/drm-intel

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
  drm/i915: fix page flip finish vs. prepare on plane B
  drm/i915: change default panel fitting mode to preserve aspect ratio
  drm/i915: fix uninitialized variable warning in i915_setup_compression()
  drm/i915: take struct_mutex in i915_dma_cleanup()
  drm/i915: Fix CRT hotplug regression in 2.6.35-rc1
  i915: fix ironlake edp panel setup (v4)
  drm/i915: don't access FW_BLC_SELF on 965G
  drm/i915: Account for space on the ring buffer consumed whilst wrapping.
  drm/i915: gen3 page flipping fixes
  drm/i915: don't queue flips during a flip pending event
  drm/i915: Fix incorrect intel_ring_begin size in BSD ringbuffer.
  drm/i915: Turn on 945 self-refresh only if single CRTC is active
  drm/i915/gen4: Fix interrupt setup ordering
  drm/i915: Use RSEN instead of HTPLG for tfp410 monitor detection.
  drm/i915: Move non-phys cursors into the GTT
  Revert "drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on)."

(Included the "fix page flip finish vs.  prepare on plane B" patch from
Jesse on top of the pull request from Eric.   -- Linus)

14 years agodrm/i915: fix page flip finish vs. prepare on plane B
Jesse Barnes [Thu, 1 Jul 2010 11:45:43 +0000 (04:45 -0700)]
drm/i915: fix page flip finish vs. prepare on plane B

The refreshed patch had a copy & paste bug.

Reported-by: Simon Farnsworth <simon.farnsworth@onelan.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
Linus Torvalds [Fri, 2 Jul 2010 01:40:54 +0000 (18:40 -0700)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  ata_generic: implement ATA_GEN_* flags and force enable DMA on MBP 7,1
  ahci,ata_generic: let ata_generic handle new MBP w/ MCP89
  libahci: Fix bug in storing EM messages

14 years agocorrect console log level when ERST ACPI table is not found
Daniel J Blueman [Thu, 1 Jul 2010 22:27:11 +0000 (23:27 +0100)]
correct console log level when ERST ACPI table is not found

When booting 2.6.35-rc3 on a x86 system without an ERST ACPI table with
the 'quiet' option, we still observe an "ERST: Table is not found!"
warning.

Quiesce it to the same info log level as the other 'table not found'
warnings.

Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agodrm/i915: fix hibernation since i915 self-reclaim fixes
Linus Torvalds [Fri, 2 Jul 2010 00:04:42 +0000 (10:04 +1000)]
drm/i915: fix hibernation since i915 self-reclaim fixes

Since commit 4bdadb9785696439c6e2b3efe34aa76df1149c83 ("drm/i915:
Selectively enable self-reclaim"), we've been passing GFP_MOVABLE to the
i915 page allocator where we weren't before due to some over-eager
removal of the page mapping gfp_flags games the code used to play.

This caused hibernate on Intel hardware to result in a lot of memory
corruptions on resume.  See for example

  http://bugzilla.kernel.org/show_bug.cgi?id=13811

Reported-by: Evengi Golov (in bugzilla)
Signed-off-by: Dave Airlie <airlied@redhat.com>
Tested-by: M. Vefa Bicakci <bicave@superonline.com>
Cc: stable@kernel.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agodrm/i915: change default panel fitting mode to preserve aspect ratio
Jesse Barnes [Thu, 24 Jun 2010 18:05:10 +0000 (11:05 -0700)]
drm/i915: change default panel fitting mode to preserve aspect ratio

We did this a long time ago in the DDX driver, but now this fix belongs
in the kernel.

Preserving the aspect ratio is a nicer default.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=18033.

Tested-by: Josh Triplett <josh@freedesktop.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agodrm/i915: fix uninitialized variable warning in i915_setup_compression()
Prarit Bhargava [Thu, 27 May 2010 17:37:56 +0000 (13:37 -0400)]
drm/i915: fix uninitialized variable warning in i915_setup_compression()

Fixes:

drivers/gpu/drm/i915/i915_dma.c: In function ‘i915_setup_compression’:
drivers/gpu/drm/i915/i915_dma.c:1311: error: ‘compressed_llb’ may be used uninitialized in this function

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agodrm/i915: take struct_mutex in i915_dma_cleanup()
Dan Carpenter [Wed, 23 Jun 2010 11:19:55 +0000 (13:19 +0200)]
drm/i915: take struct_mutex in i915_dma_cleanup()

intel_cleanup_ring_buffer() calls drm_gem_object_unreference() (as
opposed to drm_gem_object_unreference_unlocked()) so it needs to be
called with "struct_mutex" held.  If we don't hold the lock, it triggers
a BUG_ON(!mutex_is_locked(&dev->struct_mutex));

I also audited the other places that call intel_cleanup_ring_buffer()
and they all hold the lock so they're OK.

This was introduced in: 8187a2b70e3 "drm/i915: introduce
intel_ring_buffer structure (V2)" and it's a regression from v2.6.34.

Addresses: https://bugzilla.kernel.org/show_bug.cgi?id=16247

Signed-off-by: Dan Carpenter <error27@gmail.com>
Reported-by: Benny Halevy <bhalevy@panasas.com>
Tested-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agodrm/i915: Fix CRT hotplug regression in 2.6.35-rc1
Andy Lutomirski [Sat, 12 Jun 2010 09:21:18 +0000 (05:21 -0400)]
drm/i915: Fix CRT hotplug regression in 2.6.35-rc1

Commit 7a772c492fcfffae812ffca78a628e76fa57fe58 has two bugs which
made the hotplug problems on my laptop worse instead of better.

First, it did not, in fact, disable the CRT plug interrupt -- it
disabled all the other hotplug interrupts.  It seems rather doubtful
that that bit of the patch fixed anything, so let's just remove it.
(If you want to add it back, you probably meant ~CRT_HOTPLUG_INT_EN.)

Second, on at least my GM45, setting CRT_HOTPLUG_ACTIVATION_PERIOD_64
and CRT_HOTPLUG_VOLTAGE_COMPARE_50 (when they were previously unset)
causes a hotplug interrupt about three seconds later.  The old code
never restored PORT_HOTPLUG_EN so this could only happen once, but
they new code restores those registers.  So just set those bits when
we set up the interrupt in the first place.

Signed-off-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agoi915: fix ironlake edp panel setup (v4)
Dave Airlie [Wed, 30 Jun 2010 01:46:17 +0000 (11:46 +1000)]
i915: fix ironlake edp panel setup (v4)

The eDP spec claims a 20% overhead for the 8:10 encoding scheme used
on the wire. Take this into account when picking the lane/clock speed
for the panel.

v3: some panels are out of spec, try our best to deal with them, don't
refuse modes on eDP panels, and try the largest allowed settings if
all else fails on eDP.
v4: fix stupid typo, forgot to git add before amending.

Fixes several reports in bugzilla:

      https://bugs.freedesktop.org/show_bug.cgi?id=28070

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agodrm/i915: don't access FW_BLC_SELF on 965G
Jesse Barnes [Wed, 30 Jun 2010 20:49:37 +0000 (13:49 -0700)]
drm/i915: don't access FW_BLC_SELF on 965G

The register offset for FW_BLC_SELF is a totally different set of bits
on Broadwater (it's actually MI_RDRET_STATE), so don't treat it like
FW_BLC_SELF on 965G chips.

Fixes bug https://bugs.freedesktop.org/show_bug.cgi?id=26874.

Cc: stable@kernel.org
Tested-by: Norman Yarvin <yarvin@yarchive.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agodrm/i915: Account for space on the ring buffer consumed whilst wrapping.
Chris Wilson [Thu, 1 Jul 2010 16:53:00 +0000 (17:53 +0100)]
drm/i915: Account for space on the ring buffer consumed whilst wrapping.

If we fill the tail of the physical ring buffer with NOOP when wrapping,
we need to account for the reduction in available space.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>