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It's required by the specs, but we don't know why. Let's not find out
why.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Conflicts:
MAINTAINERS
arch/arm/mach-omap2/pm24xx.c
drivers/scsi/bfa/bfa_fcpim.c
Needed to update to apply fixes for which the old branch was too
outdated.
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This should be part of DRM 2.8.0.
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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drm-core-next
* 'intel/drm-intel-next' of /ssd/git/drm-next: (771 commits)
drm/i915: Undo "Uncouple render/power ctx before suspending"
drm/i915: Allow the application to choose the constant addressing mode
drm/i915: dynamic render p-state support for Sandy Bridge
drm/i915: Enable EI mode for RCx decision making on Sandybridge
drm/i915/sdvo: Border and stall select became test bits in gen5
drm/i915: Add Guess-o-matic for pageflip timestamping.
drm/i915: Add support for precise vblank timestamping (v2)
drm/i915: Add frame buffer compression on Sandybridge
drm/i915: Add self-refresh support on Sandybridge
drm/i915: Wait for vblank before unpinning old fb
Revert "drm/i915: Avoid using PIPE_CONTROL on Ironlake"
drm/i915: Pass clock limits down to PLL matcher
drm/i915: Poll for seqno completion if IRQ is disabled
drm/i915/ringbuffer: Make IRQ refcnting atomic
agp/intel: Fix missed cached memory flags setting in i965_write_entry()
drm/i915/sdvo: Only use the SDVO pin if it is in the valid range
drm/i915: Enable RC6 autodownclocking on Sandybridge
drm/i915: Terminate the FORCE WAKE after we have finished reading
drm/i915/gtt: Clear the cachelines upon resume
drm/i915: Restore GTT mapping first upon resume
...
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into drm-core-next
* 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next:
drm/nvc0: accelerate ttm buffer moves
drm/nvc0: initial support for tiled buffer objects
drm/nvc0: implement fbcon acceleration
drm/nvc0: implement pgraph engine hooks
drm/nvc0: implement pfifo engine hooks
drm/nvc0: implement fencing
drm/nvc0: fix channel dma init paths
drm/nvc0: skip dma object creation for drm channel
drm/nvc0: implement channel structure initialisation
drm/nvc0: gpuobj_new need only check validity and init the relevant engine
drm/nvc0: reject the notifier_alloc ioctl
drm/nvc0: create shared channel vm
drm/nvc0: initial vm implementation, use for bar1/bar3 management
drm/nvc0: import initial vm backend
drm/nouveau: modify vm to accomodate dual page tables for nvc0
drm/nv50: add missing license header to nv50_fbcon.c
drm/nv50: fix smatch warning in nv50_vram.c
drm/nouveau: sizeof() vs ARRAY_SIZE()
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Blitting from vram to gart is problematic at the moment.
Use the CPU for now to avoid buffer corruption.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Always useful to know just which connector was polled and had its
status updated.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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We were using the lockup struct from the wrong union.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Just simple REF_CNT fencing for the moment.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This block may contain various additional LCD info such
as physical size and a stored EDID.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Some systems have the LCD width and height in mm available in the
LCD info table. Use this info if there is no EDID to provide it.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This patch tries to make sure that the vbl.reply.sequence
vblank count for a queued or emitted vblank event always
corresponds to the true vblank count of queueing/emission, so
the ddx can rely on the returned target_msc for consistency
checks and implementation of swap_intervals in glXSwapBuffers().
Without this there is a small race-condition between the
userspace ddx queueing a vblank event and the vblank
counter incrementing before the event gets queued in
the kernel.
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Kconfig says fbcon is required by drm_kms_helper. If radeon, fbcon,
and drm_kms_helper are all modules, radeon is auto loaded (by PCI id?),
drm_kms_helper is loaded because of the module dependency, but fbcon
isn't loaded leaving the console unusable. Since fbcon is required
and there isn't an explicit module dependency, request the module
to be loaded from drm_kms_helper.
Signed-off-by: David Fries <david@fries.net>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Readability cleanup and fix debugging output, no
functional change.
Reported-by: Frank Huang <FrankR.Huang@amd.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Works more like DCE4.0 despite what the docs say.
This fixes blank screen issues when changing crtc
routing due to incorrect crtc to dig mapping.
v2: only two DIGx blocks, routing is hardcoded
based on link.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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add to the 2.8 bump for pageflip
The purpose of these regs is to work around a TX hw bug in R520.
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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In drivers/gpu/drm/radeon/r100d.h R_0003C2_GENMO_WT is defined as 0x3C0.
I think this should be 0x3C2.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On resume, we were attemping to unblank the displays before the
timing and plls had be reprogrammed which led to atom timeouts
waiting for things that are not yet programmed. Re-program
the mode first, then reset the dpms state.
This fixes the infamous atombios timeouts on resume.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes module reloading and resume as the gfx block seems to
be left in a bad state in some cases.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Only reset the grbm blocks, srbm tends to lock the GPU
if not done properly and in most cases is not necessary.
Also, no need to call asic init after reset the grbm blocks.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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For the fbdev api if the struct fb_var_screeninfo accel_flags field is set
to FB_ACCELF_TEXT then userland applications can not mmap the mmio region.
Since it is a bad idea for DRM drivers to expose the mmio region via the
fbdev layer we always set the accel_flags to prevent this. Please apply.
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This reverts commit 541cc966915b6756e54c20eebe60ae957afdb537.
Wei Yonjun reported this caused a regression against Intel VGA hotplug
on his G33 hw.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Without this, we attempt the handover too late, the firmware fb
might be accessing the chip simultaneously to us re-initializing
various parts of it, which might frighten babies or cause all sort
of nasty psychologic trauma to kitten.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[danvet: add cc: stable, forward ported and compile-fixed for X86]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[airlied: move to even earlier in module load.]
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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ARRAY_SIZE() was intended here, sizeof() is too large.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Manaul revert of 0cdab21f9a1fca50dd27e488839f5a6578e333b2, just to
remove the call to disable the clock gatings and powerctx before
suspend.
Peter Clifton bisected a suspend failure on his gme45 and found this to
be the culprit. As this was intended to be a fix for a similar suspend
failure for Ironlake (it didn't work), undoing this patch should have no
other side-effects.
Reported-and-tested-by: Peter Clifton <pcjc2@cam.ac.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The relative-to-general state default is useless as it means having to
rewrite the streaming kernels for each batch. Relative-to-surface is
more useful, as that stream usually needs to be rewritten for each
batch. And absolute addressing mode, vital if you start streaming
state, is also only available by adjusting the register...
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This fixes a problem where the wrong card conflicts with vesafb in my
x2 system.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Add an interrupt handler for switching graphics frequencies and handling
PM interrupts. This should allow for increased performance when busy
and lower power consumption when idle.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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And no I have no idea what the difference is either, just that is the
recommendation.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This is even more important as those bits will be moved in future.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This patch changes the strategy for pageflip completion
timestamping. It detects if the pageflip completion
routine gets executed before or after drm_handle_vblank,
and thereby decides if the returned vblank count and
timestamp must be incremented by 1 frame(duration) or
not. It compares the current system time at invocation
against the current vblank timestamp. If the difference
is more than 0.9 video refresh interval durations then
it assumes the vblank timestamp and count are outdated
and need to be incremented and does so. Otherwise it
assumes a delayed pageflip irq and doesn't correct
the timestamp and count.
Advantage of this patch: Pageflip timestamping becomes
more robust against implementation errors and is
maintenance free for future GPU's.
Disadvantage: A few dozen (hundred?) nsecs extra
time spent in pageflip irq handler for each flip,
compared to hard-coded per-gpu settings?
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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v2: Change IS_IRONLAKE to IS_GEN5 to adapt to 2.6.37
This patch adds new functions for use by the drm core:
.get_vblank_timestamp() provides a precise timestamp
for the end of the most recent (or current) vblank
interval of a given crtc, as needed for the DRI2
implementation of the OML_sync_control extension.
It is a thin wrapper around the drm function
drm_calc_vbltimestamp_from_scanoutpos() which does
almost all the work.
.get_scanout_position() provides the current horizontal
and vertical video scanout position and "in vblank"
status of a given crtc, as needed by the drm for use by
drm_calc_vbltimestamp_from_scanoutpos().
The patch modifies the pageflip completion routine
to use these precise vblank timestamps as the timestamps
for pageflip completion events.
This code has been only tested on a HP-Mini Netbook with
Atom processor and Intel 945GME gpu. The codepath for
(IS_G4X(dev) || IS_GEN5(dev) || IS_GEN6(dev)) gpu's
has not been tested so far due to lack of hardware.
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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