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Enable SSC on PCH eDP if possible.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[ickle: added a posting read of PCH_DREF_CONTROL before the udelay]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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We need to use some of these values in eDP configurations, so be sure to
fetch them and store them in the i915 private structure.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The _DSM method on the integrated graphics device can tell us which
connectors are muxable, so add support for making the call and parsing
out the connector info.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[ickle: fix compiler warnings for using uninitialized 'result' and
downgrade error message for non-switchable devices]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Enable the panel before adjusting eDP link params, make sure the panel
is idle after powering it on before proceeding with other activity,
delay backlight enable to avoid visible flicker.
Also avoid using VDD per hw team recommendation; it can conflict with
the builtin panel power sequencing logic and lead to panel power
sequencing failures.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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FDI training needs to done and idle for PCH eDP and before we turn the
pipes on, and various eDP checks need to account for PCH attached eDP.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Since we set the output type of PCH attached eDP panels to
INTEL_OUTPUT_eDP this function would never return true when it should.
It's been replaced by working functions.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The display code needs to distinguish between CPU and PCH attached eDP
panels, so add some helpers to handle that.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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With the old check we'd never set lane_count or bpp to different values
on PCH attached eDP panels.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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If is_edp is true, is_pch_edp will always be true. So limit the calls
to the latter function to places where the distinction actually matters.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Most of the PCH eDP checks are redundant, so document the functions in
preparation for removing most of the calls.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Currently, if a batch buffer refers to an object with a pending flip,
then we sleep until that pending flip is completed (unpinned and
signalled). This is so that a flip can be queued and the user can
continue rendering to the backbuffer oblivious to whether the buffer is
still pinned as the scan out. (The kernel arbitrating at the last moment
to stall the batch and wait until the buffer is unpinned and replaced as
the front buffer.)
As we only have a queue depth of 1, we can simply wait for the current
pending flip to complete and continue rendering. We can achieve this
with a single WAIT_FOR_EVENT command inserted into the ring buffer prior
to executing the batch, *without* stalling the client.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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A physically mapped hardware status page is allocated at driver load
time but was never freed. Call the existing code to free this page at
driver unload time on hardware which uses this kind.
Signed-off-by: Keith Packard <keithp@keithp.com>
[ickle: call before tearing down registers on KMS-only path, as pointed
out by Dave Airlie]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
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* 'drm-radeon-next' of ../drm-radeon-next:
drm/radeon/kms: add drm blit support for evergreen
drm/radeon: Modify radeon_pm_in_vbl to use radeon_get_crtc_scanoutpos()
drm/radeon: Add function for display scanout position query.
drm/radeon/kms: rework spread spectrum handling
drm/radeon/kms: remove new pll algo
drm/radeon/kms: remove some pll algo flags
drm/radeon/kms: prefer high post dividers in legacy pll algo
drm/radeon/kms: properly handle 40 bit MC addresses in the cursor code
drm/radeon: add properties to configure the width of the underscan borders
drm/radeon/kms/r6xx+: use new style fencing (v3)
drm/radeon/kms: enable writeback (v2)
drm/radeon/kms: clean up r6xx/r7xx blit init (v2)
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* drm-kdb-next:
drm/nouveau/kms: Avoid a hang entering KDB with VT accel on.
radeon, kdb, kms: Save and restore the LUT on atomic KMS enter/exit
drm, kdb, kms: Add an enter argument to mode_set_base_atomic() API
drm/nouveau/kms: Implement KDB debug hooks for nouveau KMS.
drm/radeon/kms: Implement KDB debug hooks for radeon KMS.
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drm-core-next
[airlied - add fix for vmwgfx build]
* 'nouveau/for-airlied' of ../drm-nouveau-next: (93 commits)
drm/ttm: restructure to allow driver to plug in alternate memory manager
drm/ttm: introduce utility function to free an allocated memory node
drm/nouveau: fix thinkos in mem timing table recordlen check
drm/nouveau: parse voltage from perf 0x40 entires
drm/nouveau: don't use the default pll limits in table v2.1 on nv50+ cards
drm/nv50: Fix large 3D performance regression caused by the interchannel sync patches.
drm/nouveau: Synchronize buffer object moves in hardware.
drm/nouveau: Use semaphores to handle inter-channel sync in hardware.
drm/nouveau: Provide a means to have arbitrary work run on fence completion.
drm/nouveau: Minor refactoring/cleanup of the fence code.
drm/nouveau: Add a module option to force card POST.
drm/nv50: prevent (IB_PUT == IB_GET) for occurring unless idle
drm/nv0x-nv4x: Leave the 0x40 bit untouched when changing CRE_LCD.
drm/nv30-nv40: Fix postdivider mask when writing engine/memory PLLs.
drm/nouveau: Fix perf table parsing on BMP v5.25.
drm/nouveau: fix required mode bandwidth calculation for DP
drm/nouveau: fix typo in c2aa91afea5f7e7ae4530fabd37414a79c03328c
drm/nva3: split pm backend out from nv50
drm/nouveau: run perflvl and M table scripts on mem clock change
drm/nouveau: pass perflvl struct to clock_pre()
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Francisco Jerez advises that pre-nv20 cards would hang if we entered
kdb with accel on and IRQs disabled, so we now disable accel before
entering kdb and re-enable it on the way back out.
Reported-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When changing VTs non-atomically the kernel works in conjunction with
the Xserver in user space and receives the LUT information from the
Xserver via a system call. When changing modes atomically for kdb,
this information must be saved and restored without disturbing user
space as if nothing ever happened.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: David Airlie <airlied@linux.ie>
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Some devices such as the radeon chips receive information from user
space which needs to be saved when executing an atomic mode set
operation, else the user space would have to be queried again for the
information.
This patch extends the mode_set_base_atomic() call to pass an argument
to indicate if this is an entry or an exit from an atomic kernel mode
set change. Individual drm drivers can properly save and restore
state accordingly.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: David Airlie <airlied@linux.ie>
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Tested on nv50 and nv04 HW.
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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* drm-vmware-next:
drm/vmwgfx: Bump minor and driver date
drm/vmwgfx: Save at least one screen layout
drm/vmwgfx: Add modinfo version
drm/vmwgfx: Add a parameter to get the max fb size
drm/vmwgfx: Don't flush fb if we're in the suspended state.
drm/vmwgfx: Prune modes based on available VRAM size
drm/vmwgfx: Take the ttm lock around the dirty ioctl
drm: vmwgfx: Add a struct drm_file parameter to the dirty framebuffer callback
drm/vmwgfx: Add new-style PM hooks to improve hibernation behavior
drm/vmwgfx: Fix ACPI S3 & S4 functionality.
drm/vmwgfx: Really support other depths than 32
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This patch implements blit support for bo moves using
the 3D engine. It uses the same method as r6xx/r7xx:
- store the base state in an IB
- emit variable state and vertex buffers to do the blit
This allows the hw to move bos using the 3D engine and allows
full use of vram beyond the pci aperture size.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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radeon_pm_in_vbl() didn't report in vblank status accurately. Make
it a wrapper around radeon_get_crtc_scanoutpos() which corrects for
biases, so it reports accurately.
radeon_pm_in_vbl() will only report in_vbl if all active crtc's
are currently inside vblank.
agd5f: use rdev->num_crtc rather than hardcoding the crtc count
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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radeon_get_crtc_scanoutpos() returns the current horizontal
and vertical scanout position of a crtc. It also reports if
the display scanout is currently inside the vblank area.
hpos reports current horizontal pixel scanout position.
vpos reports the current scanned out line as a value >= 0
in active scanout. If the scanout is inside vblank area, it
reports a negative value, the number of scanlines until
end of vblank aka start of active scanout, e.g., -3 ==
"At most 3 scanlines until end of vblank".
This code is derived from radeon_pm_in_vbl(), tested on
R500 and R600.
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This patch reworks spread spectrum handling to enable it
properly on lvds and DP/eDP links. It also fixes several
bugs in the old spread spectrum code.
- Use the ss recommended reference divider if available
when calculating the pll
- Use the proper ss command tables on pre-DCE3 asics
- Avoid reading past the end of the ss info tables
- Enable ss on evergreen asics (lvds, dp, tmds)
- Enable ss on DP/eDP links
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The recent changes to the old algo (prefer high post div)
coupled with the range and precision limitations of using
fixed point with the new algo make the new algo less
useful. So drop the new algo. This should work as well
or better than the old new/old combinations and simplifies
the code a lot.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=30218
among others.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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These shouldn't be needed with the post div changes
in the last patch.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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the hw prefers higher post dividers
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This allows for a more exact fitting on the physical
display. The new properties default to zero which corresponds to the
previous underscan border width[height] formula:
(display_width[display_width] >> 5) + 16.
Example to set a horizontal border width of 30 and a vertikal border
height of 22:
xrandr --output HDMI-0 --set underscan on --set "underscan hborder" 30 --set "underscan vborder" 22
Signed-off-by: Marius Gröger <marius.groeger@googlemail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On r6xx+ a newer fence mechanism was implemented to replace
the old wait_until plus scratch regs setup. A single EOP event
will flush the destination caches, write a fence value, and generate
an interrupt. This is the recommended fence mechanism on r6xx+ asics.
This requires my previous writeback patch.
v2: fix typo that enabled event fence checking on all asics
rather than just r6xx+.
v3: properly enable EOP interrupts
Should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=29972
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When writeback is enabled, the GPU shadows writes to certain
registers into a buffer in memory. The driver can then read
the values from the shadow rather than reading back from the
register across the bus. Writeback can be disabled by setting
the no_wb module param to 1.
On r6xx/r7xx/evergreen, the following registers are shadowed:
- CP scratch registers
- CP read pointer
- IH write pointer
On r1xx-rr5xx, the following registers are shadowed:
- CP scratch registers
- CP read pointer
v2:
- Combine wb patches for r6xx-evergreen and r1xx-r5xx
- Writeback is disabled on AGP boards since it tends to be
unreliable on AGP using the gart.
- Check radeon_wb_init return values properly.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Move common code to init function.
v2: make sure the bo is pinned after init as well.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Save at least one screen layout during vga save to avoid odd things
happening during restore.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This can be used by the X server to restrict mode resolutions and size of
root pixmap.
Bump minor to announce this availability.
Bump driver date.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This needs to be reviewed once we support screen objects and don't rely
on VRAM for the frame-buffer.
Also fix some integer overflow issues pointed out by Michel Daenzer.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This makes sure noone accesses the fifo while it's taken down using the
dirty ioctl.
Also make sure all workqueues are idled before the fifo is taken down.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This is needed for the callback to identify the caller and take
appropriate locks if needed.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Add the new-style PM hooks prepare and complete. This allows us to
power up the device again after the hibernation image has been created, and
display output will thus be active until the VM is finally powered off.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Don't suspend or hibernate when there are 3D resources active since we
can't restore the device's 3D state. Instead fail with an error message.
In other cases, make sure we re-enable the fifo and unlock ttm on resume.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Also add some sanity checks.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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necessary for some of the vmware fixes to be pushed in.
Conflicts:
drivers/gpu/drm/drm_gem.c
drivers/gpu/drm/i915/intel_fb.c
include/drm/drmP.h
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* 'intel/drm-intel-next' of ../drm-next: (266 commits)
drm/i915: Avoid circular locking from intel_fbdev_fini()
drm/i915: mark display port DPMS state as 'ON' when enabling output
drm/i915: Skip pread/pwrite if size to copy is 0.
drm/i915: avoid struct mutex output_poll mutex lock loop on unload
drm/i915: Rephrase pwrite bounds checking to avoid any potential overflow
drm/i915: Sanity check pread/pwrite
drm/i915: Use pipe state to tell when pipe is off
drm/i915: vblank status not valid while training display port
drivers/gpu/drm/i915/i915_gem.c: Add missing error handling code
drm/i915: Don't mask the return code whilst relocating.
drm/i915: If the GPU hangs twice within 5 seconds, declare it wedged.
drm/i915: Only print 'generating error event' if we actually are
drm/i915: Try to reset gen2 devices.
drm/i915: Clear fence registers on GPU reset
drm/i915: Force the domain to CPU on unbinding whilst wedged.
drm: Move the GTT accounting to i915
drm/i915: Fix refleak during eviction.
i915: Added function to initialize VBT settings
drm/i915: Remove redundant deletion of obj->gpu_write_list
drm/i915: Make get/put pages static
...
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Nouveau will need this on GeForce 8 and up to account for the GPU
reordering physical VRAM for some memory types.
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Thomas Hellström <thellstrom@vmware.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Existing core code/drivers call drm_mm_put_block on ttm_mem_reg.mm_node
directly. Future patches will modify TTM behaviour in such a way that
ttm_mem_reg.mm_node doesn't necessarily belong to drm_mm.
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Thomas Hellström <thellstrom@vmware.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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