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two fixes, both cc'd stable.
* tag 'drm-intel-fixes-2015-03-05' of git://anongit.freedesktop.org/drm-intel:
drm/i915: gen4: work around hang during hibernation
drm/i915: Check for driver readyness before handling an underrun interrupt
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Linux 4.0-rc2
Merging this manually as the i915 change is in it,
and intel fixes are on top of this
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Fixup some fallout of the fallout of atomic dpms, few mdp5 cursor
fixes, fix a leak in error path, and some fixes for kexec
* 'msm-fixes-4.0' of git://people.freedesktop.org/~robclark/linux:
drm/msm: kexec fixes
drm/msm/mdp5: fix cursor blending
drm/msm/mdp5: fix cursor ROI
drm/msm/atomic: Don't leak atomic commit object when commit fails
drm/msm/mdp5: Avoid flushing registers when CRTC is disabled
drm/msm: update generated headers (add 6th lm.base entry)
drm/msm/mdp5: fixup "drm/msm: fix fallout of atomic dpms changes"
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In kexec environment, we are more likely to encounter irq's already
enabled from previous environment. At which point we find that writes
to disable/clear pending irq's are slightly less than useless without
first enabling clocks.
TODO: full blown state read-in so kexec'd kernel can inherit the mode
already setup.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Seems like we just want BLEND_EN and not BLEND_TRANSP_EN (setting the
latter results in black pixels in the cursor image treated as
transparent).
Signed-off-by: Rob Clark <robdclark@gmail.com>
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If cursor is set near the edge of the screen, it is not valid to use the
new cursor width/height as the ROI dimensions. Split out the ROI calc
and use it both cursor_set and cursor_move.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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If the atomic commit fails due to completion wait interruption the
atomic commit object is not freed and is thus leaked. Free it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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When a CRTC is disabled, no CTL is allocated to it (CRTC->ctl == NULL);
in that case we should not try to FLUSH registers and do nothing instead.
This can happen when we try to move a cursor but the CRTC's CTL
(CONTROL) has not been allocated yet (inactive CRTC).
It can also happens when we .atomic_check()/.atomic_flush() on a
disabled CRTC.
A CTL needs to be kept as long as the CRTC is alive. Releasing it
after the last VBlank is safer than in .atomic_flush().
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Some target have up to 6 layer mixers (LM).
Let the header file access the last LM's base address.
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Commit 0b776d457b94 ("drm/msm: fix fallout of atomic dpms
changes") has a typo in both mdp5_encoder_helper_funcs and
mdp5_crtc_helper_funcs definitions:
.dpms entry should be replaced by .disable and .enable
Also fixed a typo in mdp5_encoder_enable().
Note that these typos are only present for MDP5. MDP4 is fine.
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Radeon fixes for 4.0:
- Fix some fallout from the audio rework
- Fix a possible oops in the CS ioctl
- Fix interlaced modes on DCE8
- Do a posting read in irq_set callbacks to make sure
interrupts are properly flushed through the pci bridge
* 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix interlaced modes on DCE8
drm/radeon: fix DRM_IOCTL_RADEON_CS oops
drm/radeon: do a posting read in cik_set_irq
drm/radeon: do a posting read in si_set_irq
drm/radeon: do a posting read in evergreen_set_irq
drm/radeon: do a posting read in r600_set_irq
drm/radeon: do a posting read in rs600_set_irq
drm/radeon: do a posting read in r100_set_irq
radeon/audio: fix DP audio on DCE6
radeon/audio: fix whitespace
drm/radeon: adjust audio callback order
drm/radeon: properly set dto for dp on DCE4/5
drm/radeon/audio: update EDID derived fields in modeset
drm/radeon: don't toggle audio state in modeset
drm/radeon/audio: set mute around state setup
drm/radeon: assign pin in detect
drm/radeon: fix the audio dpms callbacks
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We need to store device offsets in 64 bit as the device
address space may be larger than the CPU's.
Fixes GPU init failures on radeons with 4GB or more of
vram on 32 bit kernels. We put vram at the start of the
GPU's address space so the gart aperture starts at 4 GB
causing all GPU addresses in the gart aperture to get
truncated.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=89072
[airlied: fix warning on nouveau build]
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: thellstrom@vmware.com
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The current implementation is limited by the number of addresses that
fit into an unsigned long. This causes problems on 32-bit Tegra where
unsigned long is 32-bit but drm_mm is used to manage an IOVA space of
4 GiB. Given the 32-bit limitation, the range is limited to 4 GiB - 1
(or 4 GiB - 4 KiB for page granularity).
This commit changes the start and size of the range to be an unsigned
64-bit integer, thus allowing much larger ranges to be supported.
[airlied: fix i915 warnings and coloring callback]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
fixupo
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Bjørn reported that his machine hang during hibernation and eventually
bisected the problem to the following commit:
commit da2bc1b9db3351addd293e5b82757efe1f77ed1d
Author: Imre Deak <imre.deak@intel.com>
Date: Thu Oct 23 19:23:26 2014 +0300
drm/i915: add poweroff_late handler
The problem seems to be that after the kernel puts the device into D3
the BIOS still tries to access it, or otherwise assumes that it's in D0.
This is clearly bogus, since ACPI mandates that devices are put into D3
by the OSPM if they are not wake-up sources. In the future we want to
unify more of the driver's runtime and system suspend paths, for example
by skipping all the system suspend/hibernation hooks if the device is
runtime suspended already. Accordingly for all other platforms the goal
is still to properly power down the device during hibernation.
v2:
- Another GEN4 Lenovo laptop had the same issue, while platforms from
other vendors (including mobile and desktop, GEN4 and non-GEN4) seem
to work fine. Based on this apply the workaround on all GEN4 Lenovo
platforms.
- add code comment about failing platforms (Ville)
Reference: http://lists.freedesktop.org/archives/intel-gfx/2015-February/060633.html
Reported-and-bisected-by: Bjørn Mork <bjorn@mork.no>
Cc: stable@vger.kernel.org # v3.19
Signed-off-by: Imre Deak <imre.deak@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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When we takeover from the BIOS and install our interrupt handler, the
BIOS may have left us a few surprises in the form of spontaneous
interrupts. (This is especially likely on hardware like 965gm where
display fifo underruns are continuous and the GMCH cannot filter that
interrupt souce.) As we enable our IRQ early so that we can use it
during hardware probing, our interrupt handler must be prepared to
handle a few sources prior to being fully configured. As such, we need
to add a simple is-ready check prior to dereferencing our KMS state for
reporting underruns.
Reported-by: Rob Clark <rclark@redhat.com>
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1193972
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
[Jani: dropped the extra !]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Need to double the viewport height.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Passing zeroed drm_radeon_cs struct to DRM_IOCTL_RADEON_CS produces the
following oops.
Fix by always calling INIT_LIST_HEAD() to avoid the crash in list_sort().
----------------------------------
#include <stdint.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <drm/radeon_drm.h>
static const struct drm_radeon_cs cs;
int main(int argc, char **argv)
{
return ioctl(open(argv[1], O_RDWR), DRM_IOCTL_RADEON_CS, &cs);
}
----------------------------------
[ttrantal@test2 ~]$ ./main /dev/dri/card0
[ 46.904650] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 46.905022] IP: [<ffffffff814d6df2>] list_sort+0x42/0x240
[ 46.905022] PGD 68f29067 PUD 688b5067 PMD 0
[ 46.905022] Oops: 0002 [#1] SMP
[ 46.905022] CPU: 0 PID: 2413 Comm: main Not tainted 4.0.0-rc1+ #58
[ 46.905022] Hardware name: Hewlett-Packard HP Compaq dc5750 Small Form Factor/0A64h, BIOS 786E3 v02.10 01/25/2007
[ 46.905022] task: ffff880058e2bcc0 ti: ffff880058e64000 task.ti: ffff880058e64000
[ 46.905022] RIP: 0010:[<ffffffff814d6df2>] [<ffffffff814d6df2>] list_sort+0x42/0x240
[ 46.905022] RSP: 0018:ffff880058e67998 EFLAGS: 00010246
[ 46.905022] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 46.905022] RDX: ffffffff81644410 RSI: ffff880058e67b40 RDI: ffff880058e67a58
[ 46.905022] RBP: ffff880058e67a88 R08: 0000000000000000 R09: 0000000000000000
[ 46.905022] R10: ffff880058e2bcc0 R11: ffffffff828e6ca0 R12: ffffffff81644410
[ 46.905022] R13: ffff8800694b8018 R14: 0000000000000000 R15: ffff880058e679b0
[ 46.905022] FS: 00007fdc65a65700(0000) GS:ffff88006d600000(0000) knlGS:0000000000000000
[ 46.905022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.905022] CR2: 0000000000000000 CR3: 0000000058dd9000 CR4: 00000000000006f0
[ 46.905022] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 46.905022] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
[ 46.905022] Stack:
[ 46.905022] ffff880058e67b40 ffff880058e2bcc0 ffff880058e67a78 0000000000000000
[ 46.905022] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 46.905022] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
[ 46.905022] Call Trace:
[ 46.905022] [<ffffffff81644a65>] radeon_cs_parser_fini+0x195/0x220
[ 46.905022] [<ffffffff81645069>] radeon_cs_ioctl+0xa9/0x960
[ 46.905022] [<ffffffff815e1f7c>] drm_ioctl+0x19c/0x640
[ 46.905022] [<ffffffff810f8fdd>] ? trace_hardirqs_on_caller+0xfd/0x1c0
[ 46.905022] [<ffffffff810f90ad>] ? trace_hardirqs_on+0xd/0x10
[ 46.905022] [<ffffffff8160c066>] radeon_drm_ioctl+0x46/0x80
[ 46.905022] [<ffffffff81211868>] do_vfs_ioctl+0x318/0x570
[ 46.905022] [<ffffffff81462ef6>] ? selinux_file_ioctl+0x56/0x110
[ 46.905022] [<ffffffff81211b41>] SyS_ioctl+0x81/0xa0
[ 46.905022] [<ffffffff81dc6312>] system_call_fastpath+0x12/0x17
[ 46.905022] Code: 48 89 b5 10 ff ff ff 0f 84 03 01 00 00 4c 8d bd 28 ff ff
ff 31 c0 48 89 fb b9 15 00 00 00 49 89 d4 4c 89 ff f3 48 ab 48 8b 46 08 <48> c7
00 00 00 00 00 48 8b 0e 48 85 c9 0f 84 7d 00 00 00 c7 85
[ 46.905022] RIP [<ffffffff814d6df2>] list_sort+0x42/0x240
[ 46.905022] RSP <ffff880058e67998>
[ 46.905022] CR2: 0000000000000000
[ 47.149253] ---[ end trace 09576b4e8b2c20b8 ]---
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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To make sure the writes go through the pci bridge.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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To make sure the writes go through the pci bridge.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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To make sure the writes go through the pci bridge.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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To make sure the writes go through the pci bridge.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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To make sure the writes go through the pci bridge.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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To make sure the writes go through the pci bridge.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Split DCE6 and DCE8 programming of DCCG_AUDIO_DTO1
registers to properly enable DP audio for both DCE
revisions.
Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use proper tabs.
Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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- Move it out of the UNIPHY case to handle older DCE blocks.
- set audio dpms before video dpms
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If DCPLL or ext PLL is used, use the disp clk. If
PPLL is used, use the dp clock.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We don't necessarily have an EDID at this point when
audio detect gets called. Ideally we'd update these
fields in detect, but that requires a larger rework
of the display detect code.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Should be done only at detect time to avoid spurious
state changes on the audio side.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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To avoid possible sound artifacts while setting up audio.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We need the pin from detect on, it's too late in dpms.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Don't touch the audio enable bits as these are already
handled in display detection. Enable the hdmi secondary
streams in hdmi enable to match dp. Rename dp dpms
callback to be consistent with hdmi.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=89327
https://bugzilla.kernel.org/show_bug.cgi?id=93921
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This is a tricky story of the new atomic state handling and the legacy
code fighting over each another. The bug at hand is an underrun of the
framebuffer reference with subsequent hilarity caused by the load
detect code. Which is peculiar since the the exact same code works
fine as the implementation of the legacy setcrtc ioctl.
Let's look at the ingredients:
- Currently our code is a crazy mix of legacy modeset interfaces to
set the parameters and half-baked atomic state tracking underneath.
While this transition is going we're using the transitional plane
helpers to update the atomic side (drm_plane_helper_disable/update
and friends), i.e. plane->state->fb. Since the state structure owns
the fb those functions take care of that themselves.
The legacy state (specifically crtc->primary->fb) is still managed
by the old code (and mostly by the drm core), with the fb reference
counting done by callers (core drm for the ioctl or the i915 load
detect code). The relevant commit is
commit ea2c67bb4affa84080c616920f3899f123786e56
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Tue Dec 23 10:41:52 2014 -0800
drm/i915: Move to atomic plane helpers (v9)
- drm_plane_helper_disable has special code to handle multiple calls
in a row - it checks plane->crtc == NULL and bails out. This is to
match the proper atomic implementation which needs the crtc to get
at the implied locking context atomic updates always need. See
commit acf24a395c5a9290189b080383564437101d411c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Jul 29 15:33:05 2014 +0200
drm/plane-helper: transitional atomic plane helpers
- The universal plane code split out the implicit primary plane from
the CRTC into it's own full-blown drm_plane object. As part of that
the setcrtc ioctl (which updated both the crtc mode and primary
plane) learned to set crtc->primary->crtc on modeset to make sure
the plane->crtc assignments statate up to date in
commit e13161af80c185ecd8dc4641d0f5df58f9e3e0af
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Tue Apr 1 15:22:38 2014 -0700
drm: Add drm_crtc_init_with_planes() (v2)
Unfortunately we've forgotten to update the load detect code. Which
wasn't a problem since the load detect modeset is temporary and
always undone before we drop the locks.
- Finally there is a organically grown history (i.e. don't ask) around
who sets the legacy plane->fb for the various driver entry points.
Originally updating that was the drivers duty, but for almost all
places we've moved that (plus updating the refcounts) into the core.
Again the exception is the load detect code.
Taking all together the following happens:
- The load detect code doesn't set crtc->primary->crtc. This is only
really an issue on crtcs never before used or when userspace
explicitly disabled the primary plane.
- The plane helper glue code short-circuits because of that and leaves
a non-NULL fb behind in plane->state->fb and plane->fb. The state
fb isn't a real problem (it's properly refcounted on its own), it's
just the canary.
- Load detect code drops the reference for that fb, but doesn't set
plane->fb = NULL. This is ok since it's still living in that old
world where drivers had to clear the pointer but the core/callers
handled the refcounting.
- On the next modeset the drm core notices plane->fb and takes care of
refcounting it properly by doing another unref. This drops the
refcount to zero, leaving state->plane now pointing at freed memory.
- intel_plane_duplicate_state still assume it owns a reference to that
very state->fb and bad things start to happen.
Fix this all by applying the same duct-tape as for the legacy setcrtc
ioctl code and set crtc->primary->crtc properly.
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Paulo Zanoni <przanoni@gmail.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit 9c58e8dbd3bfe7197323c88a784617afeffa9f87.
This doesn't seem to fully fix this, Kbuild who knows.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Otherwise Kconfig gets confused and somehow ends up creating a 2nd drm
submenu. I couldn't find i915 because of this any more at first.
Cc: Andy Yan <andy.yan@rock-chips.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: linux-kbuild@vger.kernel.or
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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imx-drm fixes for mode fixup, dw_hdmi/imx, and parallel-display
- A clock fix for too large pixel clocks depending on the
DI clock flag simplification patch
- Pruning of unsupported modes and a missing end of array element
for dw_hdmi-imx
- LVDS modeset fix for mode fixup
- Fix parallel-display deferred probing if drm_panel is used
* tag 'imx-drm-fixes-2015-02-24' of git://git.pengutronix.de/git/pza/linux:
DRM: i.MX: parallel display: Support probe deferral for finding DRM panel
drm/imx: imx-ldb: enable DI clock in encoder_mode_set
drm/imx: dw_hdmi-imx: add end of array element to current control array
drm/imx: dw_hdmi-imx: add mode_valid callback prune unsupported modes
gpu: ipu-v3: do not divide by zero if the pixel clock is too large
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minor atmel hclcdc fixes.
* 'drm-atmel-hlcdc-fixes' of git://github.com/bbrezillon/linux-at91:
drm: atmel-hlcdc: remove clock polarity from crtc driver
drm: atmel-hlcdc: remove useless pm_runtime_put_sync in probe
drm: atmel-hlcdc: reset layer A2Q and UPDATE bits when disabling it
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First batch of fixes for v4.0-rc, plenty of cc: stable material.
* tag 'drm-intel-fixes-2015-02-26' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Fix frontbuffer false positve.
drm/i915: Align initial plane backing objects correctly
drm/i915: avoid processing spurious/shared interrupts in low-power states
drm/i915: Check obj->vma_list under the struct_mutex
drm/i915: Fix a use after free, and unbalanced refcounting
drm/i915: Dell Chromebook 11 has PWM backlight
drm/i915/skl: handle all pixel formats in skylake_update_primary_plane()
drm/i915/bdw: PCI IDs ending in 0xb are ULT.
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Remove this configuration bit in crtc driver as the rising edge clock is widely
used.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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We were enabling DP secondary streams even if the monitor
didn't support them. Fixes display problems on some DP
monitors.
Tested-by: Jim Boz <jim876@xs4all.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The atom aux param interface only supports 4 bits for
the total write transfer size (header + payload). This
limits us to 12 bytes of payload rather than 16. Add a
check for this. Reads are not affected.
v2: switch to WARN_ON_ONCE
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The logic was reversed from what the hw actually exposed.
Fixes graphics corruption in certain harvest configurations.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v2: disable it on suspend
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Dump the whole IB if we run into an invalid packet.
This makes things much easier to debug.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=89148
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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These tend to be problematic even if the vblank period is
long enough. This needs more investigation across a wider
range of displays. Disable for now.
bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=87796
https://bugs.freedesktop.org/show_bug.cgi?id=89198
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Just in case it hasn't been calculated for the mode.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Commit b7bc596ebbe0 ("drm/radeon: disable native
backlight control on pre-r6xx asics (v2)") accidently
broke backlight control on old mac laptops that use the
on-GPU backlight controller.
Signed-off-by: Nathan-J. Hirschauer <nathanhi@deepserve.info>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This return 0 without setting atomic bits on fb == crtc->cursor->fb
where causing frontbuffer false positives.
According to Daniel:
The original regression seems to have been introduced in the original
check/commit split:
commit 757f9a3e5b8a812af0c213099a5b31cb423f4d3c
Author: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Date: Wed Sep 24 14:20:24 2014 -0300
drm/i915: move check of intel_crtc_cursor_set_obj() out
Which already cause other trouble, resulting in the check getting moved in
commit e391ea882b1a04fb3f559287ac694652a3cd9da9
Author: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Date: Wed Sep 24 14:20:25 2014 -0300
drm/i915: Fix not checking cursor and object sizes
The frontbuffer tracking itself only was broken when we shifted it into
the check/commit logic with:
commit 32b7eeec4d1e861230b09d437e95d76c86ff4a68
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Wed Dec 24 07:59:06 2014 -0800
drm/i915: Refactor work that can sleep out of commit (v7)
v2: When putting more debug prints I notice the solution was simpler
than I thought. AMS design is solid, just this return was wrong.
Sorry for the noise.
v3: Remove the entire chunck that would probably
be removed by gcc anyway. (by Daniel)
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Dave Airlie
Rob Clark
Laurent Pinchart
Stephane Viau
Alex Deucher
Thierry Reding
Imre Deak
Chris Wilson
Alex Deucher
Tommi Rantala
Slava Grigorev
Daniel Vetter
Dave Airlie
Nicolas Ferre
Christian König
Leo Liu
Nathan-J. Hirschauer
Rodrigo Vivi