A couple of misc fixes/workarounds for some issues that are causing a
lot of pain for people.
Of most interest are the PCI power management and GR init WARs, which
effect a rather significant number of laptop systems that are in use
today.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <skeggsb@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <CACAvsv5Ef5YKS9EPBH3YUubzvVr++_rzjgSqV_B5nC0L2kB6-Q@mail.gmail.com
in xen, some DT bindings fixes, a vc4 issue with 1920x1200 mode validation,
and a conflicting framebuffer in vboxvideo.
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Merge tag 'drm-misc-next-fixes-2020-04-04' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
A bunch of fixes to avoid null pointer dereference in fbcon, fix a return
in xen, some DT bindings fixes, a vc4 issue with 1920x1200 mode validation,
and a conflicting framebuffer in vboxvideo.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200404090057.a3m7uw6tavwtcyon@gilmour.lan
Certain boards with GP107/GP108 chipsets hang (often, but randomly) for
unknown reasons during GR initialisation.
The first tell-tale symptom of this issue is:
nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 409800 [ TIMEOUT ]
appearing in dmesg, likely followed by many other failures being logged.
Karol found this WAR for the issue a while back, but efforts to isolate
the root cause and proper fix have not yielded success so far. I've
modified the original patch to include a few more details, limit it to
GP107/GP108 by default, and added a config option to override this choice.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Fixes the infamous 'runtime PM' bug many users are facing on Laptops with
Nvidia Pascal GPUs by skipping said PCI power state changes on the GPU.
Depending on the used kernel there might be messages like those in demsg:
"nouveau 0000:01:00.0: Refused to change power state, currently in D3"
"nouveau 0000:01:00.0: can't change power state from D3cold to D0 (config
space inaccessible)"
followed by backtraces of kernel crashes or timeouts within nouveau.
It's still unkown why this issue exists, but this is a reliable workaround
and solves a very annoying issue for user having to choose between a
crashing kernel or higher power consumption of their Laptops.
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Mika Westerberg <mika.westerberg@intel.com>
Cc: linux-pci@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=205623
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
When nouveau processes GPU faults, it checks to see if the fault address
falls within the "unmanaged" range which is reserved for fixed allocations
instead of addresses chosen by the core mm code. If start is greater than
or equal to svmm->unmanaged.limit, then limit will also be greater than
svmm->unmanaged.limit which is greater than svmm->unmanaged.start and the
start = max_t(u64, start, svmm->unmanaged.limit) will change nothing.
Just remove the useless lines of code.
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
When migrating system memory to GPU memory, check that SVM has been
enabled. Even though most errors can be ignored since migration is
a performance optimization, return an error because this is a violation
of the API.
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
find_vma_intersection(mm, start, end) only guarantees that end is greater
than or equal to vma->vm_start but doesn't guarantee that start is
greater than or equal to vma->vm_start. The calculation for the
intersecting range in nouveau_svmm_bind() isn't accounting for this and
can call migrate_vma_setup() with a starting address less than
vma->vm_start. This results in migrate_vma_setup() returning -EINVAL for
the range instead of nouveau skipping that part of the range and migrating
the rest.
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
As there is no need to check for the return value of debugfs_create_file
and drm_debugfs_create_files, remove unnecessary checks and error
handling in nouveau_drm_debugfs_init.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Huge page-table entries for TTM
In order to reduce CPU usage [1] and in theory TLB misses this patchset enables
huge- and giant page-table entries for TTM and TTM-enabled graphics drivers.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom (VMware) <thomas_os@shipmail.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200325073102.6129-1-thomas_os@shipmail.org
Originally, it kfrees the wrong pointer for mem_obj.
It would cause memory leak under stress test.
Signed-off-by: Jack Zhang <Jack.Zhang1@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Some displays have an issue where the hdcp chips are initialized after the
display has already lit up. This means we can sometimes authentication too early
and cause authentication failures.
This happens when HDCP is enabled and the display is power cycled. Normally we
will authenticate 2 seconds after the display is lit, but some displays need a
bit more time.
[How]
Increase delay to 3 second before we start authentication.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
-We need to cancel future callbacks/watchdogs events when a callback/watchdog event happens
[How]
-fix typo in event_callback()
-cancel callback, not watchdog
-cancel watchdog events in event_watchdog_timer().
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
When content type property is set to 1. We should enable hdcp2.2 and if we cant
then stop. Currently the way it works in DC is that if we fail hdcp2, we will
try hdcp1 after.
[How]
Use link config to force disable hdcp1.4 when type1 is set.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is ASIC specific and should be placed in _ppt.c of each ASIC.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is already done in soc15.c. And this is really ASIC specific
and should not be placed here.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
DML expects num_states to exclude the duplicate state.
[How]
Set num_states to correct value to prevent array off-by-one error. Also
refactor max clock level code for diags.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
BT2020 is not supported in COLOR_ENCODING property of planes. Only
BT601 and BT709 was available.
[How]
Allow BT2020 as legit value in setting COLOR_ENCODING property.
Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Nominal pixel clock and EDID information differ in precision so although
monitor reports maximum refresh is 2x minimum, LFC was not being
enabled.
[How]
Use minimum refresh rate as nominal/2 when EDID dictates that min
refresh = max refresh/2.
v2: squash in 64 bit divide fix
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
CTM was only supported at CRTC level and we need color space conversion
in linear space at plane level.
[How]
- Add plane-level CTM to dc interface
- Program plane-level CTM in DCN
Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Change is causing a regression where the OPC app no longer functions
properly.
[How]
Revert the changelist causing the issue.
Signed-off-by: Isabel Zhang <isabel.zhang@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
In some scenario like 1366x768 VSR enabled connected with a 4K monitor
and playing 4K video in clone mode, underflow will be observed due to
decrease dppclk when previouse surface scan isn't finished
[How]
In this use case, surface flip is switching between 4K and 1366x768,
1366x768 needs smaller dppclk, and when decrease the clk and previous
surface scan is for 4K and scan isn't done, underflow will happen. Not
doing optimize bandwidth in case of flip pending.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
For some monitors extreme flickering can occur while using LFC for if
we're not doing the DRR timing update for V_TOTAL_MIN / V_TOTAL_MAX at
the DP start of frame.
Hardware can default to any time in the frame which isn't the behavior
we want.
[How]
Add a new function for setting the double buffering mode for DRR timing.
Default to DP start of frame double buffering on timing generator init.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
P010 pixel format is not declared as supported in DRM and DM.
[How]
Add P010 format to the support list presented to DRM and checked in DM
Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Diagnostics scaling test failing to set required number of vertical taps
in 4:2:0 surface case
[How]
In dpp3_get_optimal_number_of_taps() need to use LB_MEMORY_CONFIG_3 for
4:2:0 surface case. In resource_build_scaling_params() make sure to also
set plane res alpha enable based on updated surface state
Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
the HPD bo size calculation error.
the "mem.size" can't present actual BO size all time.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <Christian.Koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts commit 7be1b9b8e9.
The drm_mm is supposed to work in atomic context, so calling schedule()
or in this case cond_resched() is illegal.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/359278/
A bit smaller this time around.. there are still a couple uabi
additions for vulkan waiting in the wings, but I punted on them this
cycle due to running low on time. (They should be easy enough to
rebase, and if it is a problem for anyone I can push a next+uabi
branch so that tu work can proceed.)
The bigger change is refactoring dpu resource manager and moving dpu
to use atomic global state. Other than that, it is mostly cleanups
and fixes.
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <CAF6AEGuf1R4Xz-t9Z7_cwx9jD=b4wUvvwfqA5cHR8fCSXSd5XQ@mail.gmail.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Merge v5.6 into drm-next
msm needed rc6, so I just went and merged release
(msm has been in drm-next outside of this tree)
Signed-off-by: Dave Airlie <airlied@redhat.com>
Ice Lake RPS; Sandy Bridge RC6; and few others around
GT hangchec/reset; livelock; and a null dereference.
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Merge tag 'drm-intel-next-fixes-2020-03-27' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
Fixes for instability on Baytrail and Haswell;
Ice Lake RPS; Sandy Bridge RC6; and few others around
GT hangchec/reset; livelock; and a null dereference.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200327081607.GA3082710@intel.com
amd-drm-next-5.7-2020-03-26:
amdgpu:
- Remove a dpm quirk that is not necessary
- Fix handling of AC/DC mode in newer SMU firmwares on navi
- SR-IOV fixes
- RAS fixes
scheduler:
- Fix a race condition
radeon:
- Remove a dpm quirk that is not necessary
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200326155310.5486-1-alexander.deucher@amd.com
Current mode validation impedes setting up some video modes which should
be supported otherwise. Namely 1920x1200@60Hz.
Fix this by lowering the minimum HDMI state machine clock to pixel clock
ratio allowed.
Fixes: 32e823c63e ("drm/vc4: Reject HDMI modes with too high of clocks.")
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Suggested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200326122001.22215-1-nsaenzjulienne@suse.de
Add llu suffix and cast operator to fix the klocwork warning about
"Operands in a bitwise operation have different size"
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200324123021.15831-1-tina.zhang@intel.com
This patch fixes the private_flags of mode to be checked and
compared against uapi.mode and not from hw.mode. This helps
properly trigger modeset at boot if desired by driver.
It helps resolve audio_codec initialization issues if display
is connected at boot. Initial discussion on this issue has happened
on below thread:
https://patchwork.freedesktop.org/series/74828/
v2: No functional change. Fixed the Closes tag and added
Maarten's RB.
v3: Added Fixes tag.
Cc: Ville Syrjä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Cc: Souza, Jose <jose.souza@intel.com>
Fixes: 58d124ea27 ("drm/i915: Complete crtc hw/uapi split, v6.")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1363
Suggested-by: Ville Syrjä <ville.syrjala@linux.intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: SweeAun Khor <swee.aun.khor@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200326125111.11081-1-uma.shankar@intel.com
(cherry picked from commit d5e5670592)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
We move the virtual breadcrumb from one physical engine to the next, if
the next virtual request is scheduled on a new physical engine. Since
the virtual context can only be in one signal queue, we need it to track
the current physical engine for the new breadcrumbs. However, to move
the list we need both breadcrumb locks -- and since we cannot take both
at the same time (unless we are careful and always ensure consistent
ordering) stage the movement of the signaler via the current virtual
request.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1510
Fixes: 6d06779e86 ("drm/i915: Load balancing across a virtual engine")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200325130059.30600-1-chris@chris-wilson.co.uk
(cherry picked from commit 6c81e21a47)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
On Ivybridge, we can go lower than rc6 to rc6p. And this is required for
Ivybridge to hit the same minimum power consumption as rc6 on other
platforms, so make it so.
v2: Update selftest to include all rc6 residency counters
Note that Andi did mention that we should be converting the magic
numbers into opaque magic macros, so if they ever get reused (unlikely
given only Ivybridge used the extra modes) we'll need to pay back the
technical debt.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1518
Fixes: 730eaeb524 ("drm/i915/gt: Manual rc6 entry upon parking")
Testcase: igt/i915_pm_rc6_residency/rc6-idle
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200324134232.8773-1-chris@chris-wilson.co.uk
(cherry picked from commit 13c5a577b3)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Abuse^W Take advantage that we know we are inside the GT wakeref and
that prevents any client execbuf from reopening the i915_vma in order to
claim all the vma to close without having to drop the spinlock to free
each one individually. By keeping the spinlock, we do not have to
restart if we run concurrently with i915_gem_free_objects -- which
causes them both to restart continually and make very very slow
progress.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1361
Fixes: 77853186e5 ("drm/i915: Claim vma while under closed_lock in i915_vma_parked()")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200323092841.22240-2-chris@chris-wilson.co.uk
(cherry picked from commit 3447c4c55d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
If we park/unpark faster than we can respond to RPS events, we never
will process a downclock event after expiring a waitboost, and thus we
will forever restart the GPU at max clocks even if the workload switches
and doesn't justify full power.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1500
Fixes: 3e7abf8141 ("drm/i915: Extract GT render power state management")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200322163225.28791-1-chris@chris-wilson.co.uk
Cc: <stable@vger.kernel.org> # v5.5+
(cherry picked from commit 21abf0bf16)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Use the restored ability to check if a context is closed to decide
whether or not to immediately ban the context from further execution
after a hang.
Fixes: be90e34483 ("drm/i915/gt: Cancel banned contexts after GT reset")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200319170707.8262-2-chris@chris-wilson.co.uk
(cherry picked from commit 8e37d69913)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
I need to keep the GEM context around a bit longer so adding an explicit
flag for syncing execbuf with closed/abandonded contexts.
v2:
* Use already available context flags. (Chris)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200319170707.8262-1-chris@chris-wilson.co.uk
(cherry picked from commit 207e4a71fb)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The vboxvideo driver is missing a call to remove conflicting framebuffers.
Surprisingly, when using legacy BIOS booting this does not really cause
any issues. But when using UEFI to boot the VM then plymouth will draw
on both the efifb /dev/fb0 and /dev/drm/card0 (which has registered
/dev/fb1 as fbdev emulation).
VirtualBox will actual display the output of both devices (I guess it is
showing whatever was drawn last), this causes weird artifacts because of
pitch issues in the efifb when the VM window is not sized at 1024x768
(the window will resize to its last size once the vboxvideo driver loads,
changing the pitch).
Adding the missing drm_fb_helper_remove_conflicting_pci_framebuffers()
call fixes this.
Changes in v2:
-Make the drm_fb_helper_remove_conflicting_pci_framebuffers() call one of
the first things we do in our probe() method
Cc: stable@vger.kernel.org
Fixes: 2695eae1f6 ("drm/vboxvideo: Switch to generic fbdev emulation")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200325144310.36779-1-hdegoede@redhat.com
