Boris Brezillon [Tue, 3 Dec 2019 14:15:05 +0000 (15:15 +0100)]
drm/bridge: Rename bridge helpers targeting a bridge chain
Change the prefix of bridge helpers targeting a bridge chain from
drm_bridge_ to drm_bridge_chain_ to better reflect the fact that
the operation will happen on all elements of chain, starting at the
bridge passed in argument.
Wayne Lin [Thu, 5 Dec 2019 09:00:43 +0000 (17:00 +0800)]
drm/dp_mst: Remove VCPI while disabling topology mgr
[Why]
This patch is trying to address the issue observed when hotplug DP
daisy chain monitors.
e.g.
src-mstb-mstb-sst -> src (unplug) mstb-mstb-sst -> src-mstb-mstb-sst
(plug in again)
Once unplug a DP MST capable device, driver will call
drm_dp_mst_topology_mgr_set_mst() to disable MST. In this function,
it cleans data of topology manager while disabling mst_state. However,
it doesn't clean up the proposed_vcpis of topology manager.
If proposed_vcpi is not reset, once plug in MST daisy chain monitors
later, code will fail at checking port validation while trying to
allocate payloads.
When MST capable device is plugged in again and try to allocate
payloads by calling drm_dp_update_payload_part1(), this
function will iterate over all proposed virtual channels to see if
any proposed VCPI's num_slots is greater than 0. If any proposed
VCPI's num_slots is greater than 0 and the port which the
specific virtual channel directed to is not in the topology, code then
fails at the port validation. Since there are stale VCPI allocations
from the previous topology enablement in proposed_vcpi[], code will fail
at port validation and reurn EINVAL.
[How]
Clean up the data of stale proposed_vcpi[] and reset mgr->proposed_vcpis
to NULL while disabling mst in drm_dp_mst_topology_mgr_set_mst().
Changes since v1:
*Add on more details in commit message to describe the issue which the
patch is trying to fix
drm/udl: Remove field lost_pixels from struct udl_device
The field lost_pixels in struct udl_device was supposed to signal an
error during USB transfers of the framebuffer data. The driver would
have to schedule a re-transfer at a later point. This code was never
implemented. Remove lost_pixels and return regular error codes instead.
drm/udl: Begin/end access to imported buffers in damage-handler
The damage-handler code now invokes dma_buf_{begin,end}_access()
for imported buffers. These calls were missing from the page-flip
and modesetting code paths. The patch also fixes an bug in the
original where an error code was overwritten by the result of
dma_buf_end_cpu_access().
v2:
* only return an error code from dma_buf_end_cpu_access() if
no other error code has been set before
Gerd Hoffmann [Wed, 27 Nov 2019 09:25:23 +0000 (10:25 +0100)]
drm: share address space for dma bufs
Use the shared address space of the drm device (see drm_open() in
drm_file.c) for dma-bufs too. That removes a difference betweem drm
device mmap vmas and dma-buf mmap vmas and fixes corner cases like
dropping ptes (using madvise(DONTNEED) for example) not working
properly.
Also remove amdgpu driver's private dmabuf update. It is not needed
any more now that we are doing this for everybody.
Gerd Hoffmann [Wed, 27 Nov 2019 09:25:22 +0000 (10:25 +0100)]
drm: call drm_gem_object_funcs.mmap with fake offset
The fake offset is going to stay, so change the calling convention for
drm_gem_object_funcs.mmap to include the fake offset. Update all users
accordingly.
Note that this reverts 83b8a6f242ea ("drm/gem: Fix mmap fake offset
handling for drm_gem_object_funcs.mmap") and on top then adds the fake
offset to drm_gem_prime_mmap to make sure all paths leading to
obj->funcs->mmap are consistent.
v3: move fake-offset tweak in drm_gem_prime_mmap() so we have this code
only once in the function (Rob Herring).
Fixes: 83b8a6f242ea ("drm/gem: Fix mmap fake offset handling for drm_gem_object_funcs.mmap") Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Herring <robh@kernel.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20191127092523.5620-2-kraxel@redhat.com
FEC is supported since DP 1.4, and it was expanded for LT-tunable in DP
1.4a. This commit adds the address registers for
FEC_ERROR_COUNT_PHY_REPEATER1 and FEC_CAPABILITY_PHY_REPEATER1.
Cc: Abdoulaye Berthe <Abdoulaye.Berthe@amd.com> Cc: Harry Wentland <harry.wentland@amd.com> Cc: Leo Li <sunpeng.li@amd.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Abdoulaye Berthe <Abdoulaye.Berthe@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Reviewed-by: Zhan Liu <zhan.liu@amd.com> Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191205135856.232784-1-Rodrigo.Siqueira@amd.com
Rodrigo Siqueira [Mon, 21 Oct 2019 15:03:53 +0000 (15:03 +0000)]
drm: Fix DSC throughput mode 0 mask definition
Commit d7cd0e053b17 introduced a change at DP_DSC_THROUGHPUT_MODE_0_170
which is not aligned with the spec. This commit replace 15 << 4 by 15 <<
0 for DP_DSC_THROUGHPUT_MODE_0_170 in order to make it follow the
specification.
Cc: Harry Wentland <harry.wentland@amd.com> Cc: Leo Li <sunpeng.li@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Nikola Cornij <nikola.cornij@amd.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191021150345.igdye4kv35nsk4ox@outlook.office365.com
drm/vkms: Fix typo and preposion in function documentation
Fix typo in word 'blend' and in the word 'destination' and change
preposition 'at' to 'of' in function 'blend' documentation.
And change the task introduction word 'Todo' for the word all in uppercase
- 'TODO'. With the TODO word all in uppercase (as it's the standard) it's
easier to find the tasks that have to be done throughout the code.
Changes since V3:
Rodrigo:
- Merge the patch series into a single patch since it contains one single
logical change
Changes since V2:
- Add fix typo in word 'destination'
- Add change of the preposition
- Fix the name of the function in log message
- Add the change in word 'Todo'
drm/doc: Add VKMS module description and use to "Testing and Validation"
Add a description on VKMS module and the cases in which it should be used.
There's a brief explanation on how to set it and use it in a VM, along with
an example of running an igt-test.
Changes since V3:
Rodrigo:
- Change the log message to imperative
- Fix some bad spelling/writing
- Add a blank line before enumeration
Changes since V2:
Andre:
- Avoid repetition of words in the same sentence;
- Make the explanation on 'setting the kernel' shorter, eliminate the
'make menuconfig' command;
- Add tab on enumeration to have one line per item;
- Clarify from each machine igt-tests commands should be ran on.
Sean Paul [Thu, 29 Aug 2019 00:09:44 +0000 (20:09 -0400)]
drm/dp_mst: Clear all payload id tables downstream when initializing
It seems that on certain MST hubs, namely the CableMatters USB-C 2x DP
hub, using the DP_PAYLOAD_ALLOCATE_SET and DP_PAYLOAD_TABLE_UPDATE_STATUS
register ranges to clear any pre-existing payload allocations on the hub isn't
always enough to reset things if the source device has been reset unexpectedly.
Or at least, that's the current running theory. The precise behavior appears to
be that when the source device gets reset unexpectedly, the hub begins reporting
an available_pbn value of 0 for all of its ports. This is a bit inconsistent
with the our theory, since this seems to happen even if previously set PBN
allocations should have resulted in a non-zero available_pbn value. So, it's
possible that something else may be going on here.
Strangely though, sending a CLEAR_PAYLOAD_ID_TABLE broadcast request when
initializing the MST topology seems to bring things into working order and make
available_pbn work again. Since this is a pretty safe solution, let's go ahead
and implement it.
Changes since v1:
* Change indenting on drm_dp_send_clear_payload_id_table() prototype
* Remove some braces in drm_dp_send_clear_payload_id_table()
* Reorganize some variable declarations in drm_dp_send_clear_payload_id_table()
* Don't forget to handle DP_CLEAR_PAYLOAD_ID_TABLE in
drm_dp_sideband_parse_reply()
* Move drm_dp_send_clear_payload_id_table() call into
drm_dp_mst_link_probe_work(), since we can't send sideband messages
while under lock in drm_dp_mst_topology_mgr_set_mst()
* Change commit message
Jani Nikula [Tue, 3 Dec 2019 16:38:50 +0000 (18:38 +0200)]
video: constify fb ops across all drivers
Now that the fbops member of struct fb_info is const, we can start
making the ops const as well.
This does not cover all drivers; some actually modify the fbops struct,
for example to adjust for different configurations, and others do more
involved things that I'd rather not touch in practically obsolete
drivers. Mostly this is the low hanging fruit where we can add "const"
and be done with it.
v3:
- un-constify atyfb, mb862xx, nvidia and uvesabf (0day)
v2:
- fix typo (Christophe de Dinechin)
- use "static const" instead of "const static" in mx3fb.c
- also constify smscufx.c
Jani Nikula [Tue, 3 Dec 2019 16:38:47 +0000 (18:38 +0200)]
video: fbdev: make fbops member of struct fb_info a const pointer
Now that we no longer modify the fbops, or hold non-const pointers to
it, we can make it const. After this, we can start making the fbops
const all over the place.
Jani Nikula [Fri, 29 Nov 2019 10:29:31 +0000 (12:29 +0200)]
video: fb_defio: preserve user fb_ops
Modifying fb_ops directly to override fb_mmap with fb_deferred_io_mmap
and then resetting it to NULL afterwards causes problems all over the
place. First, it prevents making the fbops member of struct fb_info a
const pointer, which means we can't make struct fb_ops const
anywhere. Second, a few places have to go out of their way to restore
the original fb_mmap pointer that gets reset to NULL.
Since the only user of the fbops->fb_mmap hook is fb_mmap() in fbmem.c,
call fb_deferred_io_mmap() directly when deferred IO is enabled, and
avoid modifying fb_ops altogether.
Simply use info->fbdefio to determine whether deferred IO should be used
or not. This should be accurate enough for all use cases, although
perhaps not pedantically correct.
v2: Simplify considerably by calling fb_deferred_io_mmap() directly
(Daniel, Ville)
Emil Velikov [Fri, 1 Nov 2019 13:03:13 +0000 (13:03 +0000)]
drm: drop DRM_AUTH from PRIME_TO/FROM_HANDLE ioctls
As mentioned by Christian, for drivers which support only primary nodes
this changes the returned error from -EACCES into -EOPNOTSUPP/-ENOSYS.
For others, this check in particular will be a noop. So let's remove it
as suggested by Christian.
Cc: Alex Deucher <alexander.deucher@amd.com> Cc: amd-gfx@lists.freedesktop.org Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sean Paul <sean@poorly.run> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20191101130313.8862-5-emil.l.velikov@gmail.com
Boris Brezillon [Wed, 23 Oct 2019 15:44:53 +0000 (17:44 +0200)]
drm/exynos: Don't reset bridge->next
bridge->next is only points to the new bridge if drm_bridge_attach()
succeeds. No need to reset it manually here.
Note that this change is part of the attempt to make the bridge chain
a double-linked list. In order to do that we must patch all drivers
manipulating the bridge->next field.
Adam Ford [Wed, 16 Oct 2019 13:51:45 +0000 (08:51 -0500)]
drm/panel: simple: Add Logic PD Type 28 display support
Previously, there was an omap panel-dpi driver that would
read generic timings from the device tree and set the display
timing accordingly. This driver was removed so the screen
no longer functions. This patch modifies the panel-simple
file to setup the timings to the same values previously used.
Ville Syrjälä [Fri, 8 Nov 2019 13:56:54 +0000 (15:56 +0200)]
drm: Inline drm_color_lut_extract()
This thing can get called several thousand times per LUT
so seems like we want to inline it to:
- avoid the function call overhead
- allow constant folding
A quick synthetic test (w/o any hardware interaction) with
a ridiculously large LUT size shows about 50% reduction in
runtime on my HSW and BSW boxes. Slightly less with more
reasonable LUT size but still easily measurable in tens
of microseconds.
Wayne Lin [Mon, 18 Nov 2019 10:18:32 +0000 (18:18 +0800)]
drm/edid: Add alternate clock for SMPTE 4K
[Why]
In hdmi_mode_alternate_clock(), it adds an exception for VIC 4
mode (4096x2160@24) due to there is no alternate clock defined for
that mode in HDMI1.4b. But HDMI2.0 adds 23.98Hz for that mode.
[How]
Remove the exception
v2: Adjust the comment description of hdmi_mode_alternate_clock()
due to there is no more exception for VIC 4 mode.
Wayne Lin [Mon, 18 Nov 2019 10:18:31 +0000 (18:18 +0800)]
drm/edid: Add aspect ratios to HDMI 4K modes
[Why]
HDMI 2.0 adds aspect ratio attribute to distinguish different
4k modes. According to Appendix E of HDMI 2.0 spec, source should
use VSIF to indicate video mode only when the mode is one defined
in HDMI 1.4b 4K modes. Otherwise, use AVI infoframes to convey VIC.
Current code doesn't take aspect ratio into consideration while
constructing avi infoframe. Should modify that.
[How]
Inherit Ville Syrjälä's work
"drm/edid: Prep for HDMI VIC aspect ratio" at
https://patchwork.kernel.org/patch/11174639/
Add picture_aspect_ratio attributes to edid_4k_modes[] and
construct VIC and HDMI_VIC by taking aspect ratio into
consideration.
v2: Correct missing initializer error at adding aspect ratio of
SMPTE mode.
A jump target was specified in an if branch. The corresponding function
call did not release the desired system resource then.
Thus use the label “rom_unmap” instead to fix the exception handling
for this function implementation.
Daniel Vetter [Wed, 27 Nov 2019 18:00:33 +0000 (19:00 +0100)]
drm/rockchip: Use drm_gem_fb_create_with_dirty
If rockchip would switch over to the generic fbdev setup we could
grabage collect even more of all this code (all of the remaining fb
handling code really).
v2: Actually use _with_dirty like the patch subject promised (Andrzej)
Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Sandy Huang <hjc@rock-chips.com> Cc: "Heiko Stübner" <heiko@sntech.de> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org Link: https://patchwork.freedesktop.org/patch/msgid/20191127180035.416209-1-daniel.vetter@ffwll.ch
Ville Syrjälä [Fri, 22 Nov 2019 17:56:22 +0000 (19:56 +0200)]
drm/rect: Keep the clipped dst rectangle in place
Now that we've constrained the clipped source rectangle such
that it can't have negative dimensions doing the same for the
dst rectangle seems appropriate. Should at least result in
the clipped src and dst rectangles being a bit more consistent
with each other.
Cc: Benjamin Gaignard <benjamin.gaignard@st.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191122175623.13565-4-ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Ville Syrjälä [Fri, 22 Nov 2019 17:56:21 +0000 (19:56 +0200)]
drm/rect: Keep the scaled clip bounded
Limit the scaled clip to only clip at most dst_w/h pixels.
This avoids the problem with clip_scaled() not being able
to return negative values. Since new_src_w/h is now properly
bounded we can remove the clamp()s.
Cc: Benjamin Gaignard <benjamin.gaignard@st.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Vetter <daniel@ffwll.ch>
Testcase: igt/kms_selftest/drm_rect_clip_scaled_signed_vs_unsigned Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191122175623.13565-3-ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Daniel Vetter [Tue, 26 Nov 2019 09:14:13 +0000 (10:14 +0100)]
drm/fourcc: Fill out all block sizes for P10/12/16
0 means 1 as the default, but it's mighty confusing if the block size
for the first plane is spelled out explicitly, but not for the 2nd
plane.
No cc: stable because this is just confusion, but 0 functional issue.
Acked-by: Liviu Dudau <liviu.dudau@arm.com> Fixes: 05f8bc82fc42 ("drm/fourcc: Add new P010, P016 video format") Cc: Daniel Stone <daniel@fooishbar.org> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Randy Li <ayaka@soulik.info> Cc: Clint Taylor <clinton.a.taylor@intel.com> Cc: Ayan Kumar Halder <ayan.halder@arm.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191126091414.226070-1-daniel.vetter@ffwll.ch
Problem:
Due to a race between drm_sched_cleanup_jobs in sched thread and
drm_sched_job_timedout in timeout work there is a possiblity that
bad job was already freed while still being accessed from the
timeout thread.
Fix:
Instead of just peeking at the bad job in the mirror list
remove it from the list under lock and then put it back later when
we are garanteed no race with main sched thread is possible which
is after the thread is parked.
v2: Lock around processing ring_mirror_list in drm_sched_cleanup_jobs.
v3: Rebase on top of drm-misc-next. v2 is not needed anymore as
drm_sched_get_cleanup_job already has a lock there.
v4: Fix comments to relfect latest code in drm-misc.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Emily Deng <Emily.Deng@amd.com> Tested-by: Emily Deng <Emily.Deng@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/342356
drm/udl: Replace struct udl_framebuffer with generic implementation
The udl driver's struct udl_framebuffer stores a DRM framebuffer
with an associated GEM object. This functionality is also provided by
generic code. Switch udl over.
drm/udl: Store active framebuffer in device structure
The framebuffer's 'active_16' flag signals which framebuffer to flush
to device memory. Moving the 'active_16' state from struct udl_framebuffer
into struct udl_device prepares for using the generic GEM framebuffer.
drm/udl: Remove udl implementation of GEM's free_object()
Udl's custom implementation for struct drm_gem_object_funcs.free_object
unmaps perma-mapped memory buffer before freeing the buffer object.
After switching to generic fbdev emulation and fixing the damage
handler, no perma-mapped buffers have to be released. Switch to SHMEM's
implementation of free_object.
Udl keeps a BO mapped for its entire lifetime if it has been used in a
damage update at least once. The BO's free callback release the mapping
before it frees the BO.
Change this behaviour to unmap immediately after the damage update, so
SHMEM's implementation of free can be used.
Daniel Vetter [Mon, 18 Nov 2019 10:35:30 +0000 (11:35 +0100)]
dma-buf: Drop dma_buf_k(un)map
It's unused.
10 years ago, back when 32bit was still fairly common and trying to
not exhaust vmalloc space sounded like a worthwhile goal, adding these
to dma_buf made sense.
Reality is that they simply never caught on, and nowadays everyone who
needs plenty of buffers will run in 64bit mode anyway.
Also update the docs in this area to adjust them to reality.
The actual hooks in dma_buf_ops will be removed once all the
implementations are gone.
Daniel Vetter [Mon, 18 Nov 2019 10:35:28 +0000 (11:35 +0100)]
drm/omapdrm: Drop dma_buf->k(un)map
No in-tree users left.
Note that this is one of the few (if only) implementations of dma-buf
that provided a kmap, but not a vmap implemenation. Given that the
only real user (in-tree at least) of kmap was tegra, and it's
impossible to buy a chip with tegra host1x and ompadrm on the same
SoC, there's no problem here.
Daniel Vetter [Mon, 18 Nov 2019 10:35:27 +0000 (11:35 +0100)]
drm/i915: Drop dma_buf->k(un)map
No in-tree users left.
Aside, I think mock_dmabuf would be a nice addition to drm
mock/selftest helpers (we have some already), with an
EXPORT_SYMBOL_FOR_TESTS_ONLY.
Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: "Christian König" <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191118103536.17675-7-daniel.vetter@ffwll.ch
For merging probably best to stuff this into drm-misc, since that's
where the dma-buf heaps will land too. And the resulting conflict
hopefully ensures that dma-buf heaps wont have a new ->kmap/unmap
implemenation.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Laura Abbott <labbott@redhat.com> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Laura Abbott <labbott@redhat.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: devel@driverdev.osuosl.org Cc: linaro-mm-sig@lists.linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20191118103536.17675-5-daniel.vetter@ffwll.ch
Daniel Vetter [Mon, 18 Nov 2019 10:35:24 +0000 (11:35 +0100)]
drm/i915: Remove dma_buf_kmap selftest
It's the only user left in the entire kernel for dma_buf_kmap/_kunmap.
Delete it, before we start garbage-collecting the various
implementations.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Dave Airlie <airlied@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191118103536.17675-4-daniel.vetter@ffwll.ch
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