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It makes sense to make the min_t() cast unsigned here since we don't
really want negative sizes. Making it signed causes a static checker
warning in Smatch. Smatch knows "fw->size - i" is positive but it
doesn't know that fw->size is less than INT_MAX so in theory casting it
to int might lead to a negative.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Since kthread_run returns -ENOMEM if failed,
it needs to be checked whether it is error, not whether it is null.
Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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After sub-dev registration in v4l2_async_test_notify(), the v4l2-async
core calls the registered_async callback but if a sub-dev driver does
not implement it, v4l2_subdev_call() will return a -ENOIOCTLCMD which
should not be considered an error.
Reported-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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https://github.com/markyzq/kernel-drm-rockchip into drm-next
add Innosilicon HDMI support.
* 'drm-rockchip-next-2016-02-18' of https://github.com/markyzq/kernel-drm-rockchip:
dt-bindings: add document for Innosilicon HDMI on Rockchip platform
drm/rockchip: hdmi: add Innosilicon HDMI support
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This pull request brings in overlay plane support for vc4.
* tag 'drm-vc4-next-2016-02-17' of github.com:anholt/linux:
drm/vc4: Add support for YUV planes.
drm/vc4: Add support a few more RGB display plane formats.
drm/vc4: Add support for scaling of display planes.
drm/vc4: Fix which value is being used for source image size.
drm/vc4: Add more display planes to each CRTC.
drm/vc4: Make the CRTCs cooperate on allocating display lists.
drm/vc4: Add a proper short-circut path for legacy cursor updates.
drm/vc4: Move the plane clipping/scaling setup to a separate function.
drm/vc4: Add missing __iomem annotation to hw_dlist.
drm/vc4: Improve comments on vc4_plane_state members.
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into drm-next
First radeon and amdgpu pull request for 4.6. Highlights:
- ACP support for APUs with i2s audio
- CS ioctl optimizations
- GPU scheduler optimizations
- GPUVM optimizations
- Initial GPU reset support (not enabled yet)
- New powerplay sysfs interface for manually selecting clocks
- Powerplay fixes
- Virtualization fixes
- Removal of hw semaphore support
- Lots of other misc fixes and cleanups
* 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux: (118 commits)
drm/amdgpu: Don't call interval_tree_remove in amdgpu_mn_destroy
drm/amdgpu: Fix race condition in amdgpu_mn_unregister
drm/amdgpu: cleanup gem init/finit
drm/amdgpu: rework GEM info printing
drm/amdgpu: print the GPU offset as well in gem_info
drm/amdgpu: optionally print the pin count in gem_info as well
drm/amdgpu: print the BO size only once in amdgpu_gem_info
drm/amdgpu: print pid as integer
drm/amdgpu: remove page flip work queue v3
drm/amdgpu: stop blocking for page filp fences
drm/amdgpu: stop calling amdgpu_gpu_reset from the flip code
drm/amdgpu: remove fence reset detection leftovers
drm/amdgpu: Fix race condition in MMU notifier release
drm/radeon: Fix WARN_ON if DRM_DP_AUX_CHARDEV is enabled
drm/amdgpu/vi: move uvd tiling config setup into uvd code
drm/amdgpu/vi: move sdma tiling config setup into sdma code
drm/amdgpu/cik: move uvd tiling config setup into uvd code
drm/amdgpu/cik: move sdma tiling config setup into sdma code
drm/amdgpu/gfx7: rework gpu_init()
drm/amdgpu/gfx: clean up harvest configuration (v2)
...
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git://anongit.freedesktop.org/drm-intel into drm-next
Misc stuff all over:
- more mode_fixup removal from Carlos, there's another final pile still
left.
- final bits of vgaswitcheroo from Lukas for apple gmux, we're still
discussing an api cleanup patch to make it a bit more abuse-safe as a
follow-up
- dp aux interface for userspace for tools&tests from Rafael Antognolli
- actual interface parts for dma-buf flushing for userspace mmap
- few small bits all over
- vgaswitcheroo support for apple gmux from Lukas Wunner
- checks for ->mode_fixup in non-atomic helpers from Carlos Palminha, plus
removing dummy funcs from drivers. Carlos promised to follow up with
more, since there's lots more silly dummy functions around.
- dma-buf patches from Tiago, except the ioctl itself (that needed a
respin to address review from David Herrmann)
- encoder mask for atomic from Maarten
- bunch of random things all over.
* tag 'topic/drm-misc-2016-02-18' of git://anongit.freedesktop.org/drm-intel: (57 commits)
drm/udl: Use module_usb_driver
drm: fixes crct set_mode when crtc mode_fixup is null.
drm/tilcdc: removed optional dummy encoder mode_fixup function.
drm/sti: removed optional dummy encoder mode_fixup function.
drm/rockchip: removed optional dummy encoder mode_fixup function.
drm/qxl: removed optional dummy encoder mode_fixup function.
drm/mgag200: removed optional dummy encoder mode_fixup function.
drm/msm/mdp: removed optional dummy encoder mode_fixup function.
drm/imx: removed optional dummy encoder mode_fixup function.
drm/gma500: removed optional dummy encoder mode_fixup function.
drm/radeon: removed optional dummy encoder mode_fixup function.
drm/cirrus: removed optional dummy encoder mode_fixup function.
drm/bochs: removed optional dummy encoder mode_fixup function.
drm/ast: removed optional dummy encoder mode_fixup function.
drm/amdgpu: removed optional dummy encoder mode_fixup function.
drm/exynos: removed optional dummy encoder mode_fixup function.
drm/udl: removed optional dummy encoder mode_fixup function.
drm/virtio: removed optional dummy encoder mode_fixup function.
drm/fb_helper: Use add_one_connector in add_all_connectors.
drm/fb_helper: Use correct allocation count for arrays.
...
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DSP CLK_GATE registers are specific to BYT and CHT.
Avoid programming the same for BXT platform.
v2: Rebased on latest drm nightly branch.
v3: Fixed Jani's review comments
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455796166-13052-1-git-send-email-jani.nikula@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Spotted-by: Mika Kuoppala <mika.kuoppala@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93441
CC: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455719489-3008-1-git-send-email-imre.deak@intel.com
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We have an open coded loop which tries to see if the encoder has any
connectors linked to it. Let's extract that to a helper similar to
intel_crtc_has_encoders().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455737325-14777-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is another step in removing legacy state.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455697119-31416-6-git-send-email-maarten.lankhorst@linux.intel.com
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With the conversion to atomic only on/off are still supported.
The rest is mapped to one of those, and when enable is called
DPMS_ON should be true.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455697119-31416-5-git-send-email-maarten.lankhorst@linux.intel.com
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Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455697119-31416-4-git-send-email-maarten.lankhorst@linux.intel.com
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Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455697119-31416-3-git-send-email-maarten.lankhorst@linux.intel.com
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Instead of restoring dpms and a flag for whether a temp fb is allocated duplicate
an atomic state before the new state is committed, and commit it the old state
in intel_release_load_detect_pipe.
Changes since v1:
- Use a real atomic state. (Ville)
Changes since v2:
- Do not preserve shared_dpll any more, no need to do so. (Ville)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455697119-31416-2-git-send-email-maarten.lankhorst@linux.intel.com
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Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
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The Innosilicon HDMI is a low power HDMI 1.4 transmitter
IP, and it have been integrated on some rockchip CPUs
(like RK3036, RK312x).
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
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rbtree_postorder_for_each_entry_safe can skip over some entries if
the tree is rebalanced in interval_tree_remove. interval_tree_remove
is also redundant when the tree is just about to be freed.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Exchange locking order of adev->mn_lock and mm_sem, so that
rmn->mm->mmap_sem can be taken safely, protected by adev->mn_lock,
when amdgpu_mn_destroy runs concurrently.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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With a reliable frontbuffer tracking and all instability corner cases
on Haswell and Broadwell solved let's re-enabled PSR by default on
these platforms.
In case a new issue is found and PSR is the main suspect, please check
if i915.enable_psr=0 really makes your problem go away. If this is the case
PSR is the culprit so after that please check if i915.enable_psr=2
or i915.enable_psr=3 solves your issue and please let us know.
There are many panels out there and not all implementations apparently
work as we would expect.
In case you needed to force it on standby or disabled or in case of any
PSR related bug please report it at bugs.freedesktop.org.
In a bugzilla entry for PSR is desirable:
- dmesg (drm.debug=0xe)
- output of /sys/kernel/debug/dri/0/i915_edp_psr_status
- Platform information. Vendor, model, id, pci id.
- Graphical environment: Gnome, KDE, openbox, etc...
- Details how to reproduce.
- Also good if you could run PSR test cases of Intel-gpu-tools
- Please mention if forcing main link standby or main link off helps you.
There are Intel-gpu-tools test cases that can be helpful to
determine if PSR is working as expected:
kms_psr_sink_crc and kms_psr_frontbuffer_tracking.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455278893-1307-2-git-send-email-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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With a reliable frontbuffer tracking and all instability corner cases
solved for this platform let's re-enabled PSR by default.
In case a new issue is found and PSR is the main suspect, please check
if i915.enable_psr=0 really makes your problem go away,
please report it at bugs.freedesktop.org.
In a bugzilla entry for PSR is desirable:
- dmesg (drm.debug=0xe)
- output of /sys/kernel/debug/dri/0/i915_edp_psr_status
- Platform information. Vendor, model, id, pci id.
- Graphical environment: Gnome, KDE, openbox, etc...
- Details how to reproduce.
- Also good if you could run PSR test cases of Intel-gpu-tools
- Please mention if forcing main link standby or main link off helps you.
There are Intel-gpu-tools test cases that can be helpful to
determine if PSR is working as expected:
kms_psr_sink_crc and kms_psr_frontbuffer_tracking.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This will give us flexibility to enable PSR by default independently so
issues and corner cases in one platform won't affect others were we have
it working properly.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Otherwise a pde_shift big enough to overflow a u32 will be truncated before
assignment
Note: We never asked for ranges spanning a 4G boundary, so this issue
doesn't cause a real problem.
Signed-off-by: Alan Cox <alan@linux.intel.com>
[danvet: Add note why this isn't a real problem.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160217142043.4947.60447.stgit@localhost.localdomain
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-13-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-12-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-11-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-10-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
While at it also add the missing reference around the HW access in
i915_interrupt_info().
v2:
- update the commit message mentioning that this also fixes the
HW access in the interrupt info debugfs entry (Daniel)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-9-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
CC: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-8-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93439
CC: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-7-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-6-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-5-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-4-git-send-email-imre.deak@intel.com
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The assumption when adding the intel_display_power_is_enabled() checks
was that if it returns success the power can't be turned off afterwards
during the HW access, which is guaranteed by modeset locks. This isn't
always true, so make sure we hold a dedicated reference for the time of
the access.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Revieved-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455296121-4742-3-git-send-email-imre.deak@intel.com
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We have many places in the code where we check if a given display power
domain is enabled and if so access registers backed by this power
domain. We assumed that some modeset lock will prevent the power
reference from vanishing in the middle of the HW access, but this
assumption doesn't always hold. In such cases we get either the wakeref
not held, or an unclaimed register access error message. To fix this in
a future-proof way that's independent of other locks wrap any such
access with a get_ref_if_enabled()/put_ref() pair.
Kudos to Ville and Joonas for the ideas of this new interface.
v2:
- init the power_domains ptr when declaring it everywhere (Joonas)
v3:
- don't report the device to be powered if runtime PM is disabled
CC: Mika Kuoppala <mika.kuoppala@intel.com>
CC: Chris Wilson <chris@chris-wilson.co.uk>
CC: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
CC: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455711462-7442-1-git-send-email-imre.deak@intel.com
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Macro module_usb_driver is used for drivers whose init and exit paths
only register and unregister to usb API. So remove boilerplate code to
make code simpler by using module_usb_driver.
This change was made with the help of the following Coccinelle
semantic patch:
//<smpl>
@a@
identifier f, x;
@@
-static f(...) { return usb_register(&x); }
@b depends on a@
identifier e, a.x;
@@
-static e(...) { usb_deregister(&x); }
@c depends on a && b@
identifier a.f;
declarer name module_init;
@@
-module_init(f);
@d depends on a && b && c@
identifier b.e, a.x;
declarer name module_exit;
declarer name module_usb_driver;
@@
-module_exit(e);
+module_usb_driver(x);
//</smpl>
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160217121327.GA29682@amitoj-Inspiron-3542
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Pull in pile of patches from Carlos to remove now redundant mode_fixup
hooks for encoders.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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userptr requires mmu-notifier for full unprivileged support. Most
systems have mmu-notifier support already enabled as a requirement for
virtualisation support, but we should make the option for i915 to take
advantage of mmu-notifiers explicit (and enable by default so that
regular userspace can take advantage of passing client memory to the
GPU.)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1452503961-14837-3-git-send-email-chris@chris-wilson.co.uk
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Remove the double housekeeping and use something sane to
forcefuly delete BOs on unload.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Print BOs grouped per client.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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To easily find which memory is used.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Usefull when debugging page flipping.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Splitting it into KB/MB is just confusing.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Not sure why somebody thought that this is a long.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Just use the system queue now that we don't block any more.
v2: handle DAL as well.
v3: agd: split DAL changes out
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Mykola Lysenko <mykola.lysenko@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com> (v1)
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Just register an callback and reschedule the work item if necessary.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
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We don't return -EDEADLK any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
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wait_event() never returns before the fence was signaled.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
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The release notifier can get called a second time from
mmu_notifier_unregister depending on a race between
__mmu_notifier_release and amdgpu_mn_destroy. Use
mmu_notifier_unregister_no_release to avoid this.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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This supports 420 and 422 subsampling with 2 or 3 planes, tested with
modetest. It doesn't set up chroma subsampling position (which it
appears KMS doesn't deal with yet).
The LBM memory is overallocated in many cases, but apparently the docs
aren't quite correct and I'll probably need to look at the hardware
source to really figure it out.
Signed-off-by: Eric Anholt <eric@anholt.net>
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