Backmerge v4.9-rc8 to get at
commit e94bd1736f
Author: Michel Dänzer <michel.daenzer@amd.com>
Date: Wed Nov 30 17:30:01 2016 +0900
drm: Don't call drm_for_each_crtc with a non-KMS driver
so I can apply Michel's follow-up patch.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Since commit 8a357d1004 ("drm: Nerf DRM_CONTROL nodes"), a
struct drm_device's ->control member is always NULL.
In the case of CONFIG_DEBUG_FS=y, radeon_debugfs_add_files() accesses
->control->debugfs_root though. This results in the following Oops:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: radeon_debugfs_add_files+0x90/0x100 [radeon]
PGD 0
Oops: 0000 [#1] SMP
[...]
Call Trace:
? work_on_cpu+0xb0/0xb0
radeon_fence_driver_init+0x120/0x150 [radeon]
si_init+0x122/0xd50 [radeon]
? _raw_spin_unlock_irq+0x2c/0x40
? device_pm_check_callbacks+0xb3/0xc0
radeon_device_init+0x958/0xda0 [radeon]
radeon_driver_load_kms+0x9a/0x210 [radeon]
drm_dev_register+0xa9/0xd0 [drm]
drm_get_pci_dev+0x9c/0x1e0 [drm]
radeon_pci_probe+0xb8/0xe0 [radeon]
[...]
Fix this by omitting the drm_debugfs_create_files() call for the
control minor debugfs directory which is now non-existent anyway.
Fixes: 8a357d1004 ("drm: Nerf DRM_CONTROL nodes")
Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161203144700.2307-1-nicstange@gmail.com
drm/qxl: various bugfixes and cleanups,
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Merge tag 'drm-qemu-20161121' of git://git.kraxel.org/linux into drm-next
drm/virtio: fix busid in a different way, allocate more vbufs.
drm/qxl: various bugfixes and cleanups,
* tag 'drm-qemu-20161121' of git://git.kraxel.org/linux: (224 commits)
drm/virtio: allocate some extra bufs
qxl: Allow resolution which are not multiple of 8
qxl: Don't notify userspace when monitors config is unchanged
qxl: Remove qxl_bo_init() return value
qxl: Call qxl_gem_{init, fini}
qxl: Add missing '\n' to qxl_io_log() call
qxl: Remove unused prototype
qxl: Mark some internal functions as static
Revert "drm: virtio: reinstate drm_virtio_set_busid()"
drm/virtio: fix busid regression
drm: re-export drm_dev_set_unique
Linux 4.9-rc5
gp8psk: Fix DVB frontend attach
gp8psk: fix gp8psk_usb_in_op() logic
dvb-usb: move data_mutex to struct dvb_usb_device
iio: maxim_thermocouple: detect invalid storage size in read()
aoe: fix crash in page count manipulation
lightnvm: invalid offset calculation for lba_shift
Kbuild: enable -Wmaybe-uninitialized warnings by default
pcmcia: fix return value of soc_pcmcia_regulator_set
...
Pull request already again to get the s/fence/dma_fence/ stuff in and
allow everyone to resync. Otherwise really just misc stuff all over, and a
new bridge driver.
* tag 'topic/drm-misc-2016-10-27' of git://anongit.freedesktop.org/git/drm-intel:
drm/bridge: fix platform_no_drv_owner.cocci warnings
drm/bridge: fix semicolon.cocci warnings
drm: Print some debug/error info during DP dual mode detect
drm: mark drm_of_component_match_add dummy inline
drm/bridge: add Silicon Image SiI8620 driver
dt-bindings: add Silicon Image SiI8620 bridge bindings
video: add header file for Mobile High-Definition Link (MHL) interface
drm: convert DT component matching to component_match_add_release()
dma-buf: Rename struct fence to dma_fence
dma-buf/fence: add an lockdep_assert_held()
drm/dp: Factor out helper to distinguish between branch and sink devices
drm/edid: Only print the bad edid when aborting
drm/msm: add missing header dependencies
drm/msm/adreno: move function declarations to header file
drm/i2c/tda998x: mark symbol static where possible
doc: add missing docbook parameter for fence-array
drm: RIP mode_config->rotation_property
drm/msm/mdp5: Advertize 180 degree rotation
drm/msm/mdp5: Use per-plane rotation property
Update the comment to explain why we do this.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We get 2 warnings when building kernel with W=1:
drivers/gpu/drm/radeon/radeon_device.c:1961:5: warning: no previous prototype for 'radeon_debugfs_init' [-Wmissing-prototypes]
drivers/gpu/drm/radeon/radeon_device.c:1966:6: warning: no previous prototype for 'radeon_debugfs_cleanup' [-Wmissing-prototypes]
In fact, these functions are dummy, but can be removed,
so this patch removes them.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Normally on shutdown or reboot we don't care about necessarily
making sure the hw is in a good state because the system is about
to be powered down or reset. However, after a shutdown or reboot
in a VM, it's best to tear down the hw properly otherwise there
can be problems with the next VM use.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Missed this case previously. No need to do anything if the
device is already off. runtime pm will handle it.
Acked-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
I recovered dri-devel backlog from my vacation, more misc stuff:
- of_put_node fixes from Peter Chen (not all yet)
- more patches from Gustavo to use kms-native drm_crtc_vblank_* funcs
- docs sphinxification from Lukas Wunner
- bunch of fixes all over from Dan Carpenter
- more follow up work from Chris register/unregister rework in various
places
- vgem dma-buf export (for writing testcases)
- small things all over from tons of different people
* tag 'topic/drm-misc-2016-07-14' of git://anongit.freedesktop.org/drm-intel: (52 commits)
drm: Don't overwrite user ioctl arg unless requested
dma-buf/sync_file: improve Kconfig description for Sync Files
MAINTAINERS: add entry for the Sync File Framework
drm: Resurrect atomic rmfb code
drm/vgem: Use PAGE_KERNEL in place of x86-specific PAGE_KERNEL_IO
qxl: silence uninitialized variable warning
qxl: check for kmap failures
vga_switcheroo: Sphinxify docs
drm: Restore double clflush on the last partial cacheline
gpu: drm: rockchip_drm_drv: add missing of_node_put after calling of_parse_phandle
gpu: drm: sti_vtg: add missing of_node_put after calling of_parse_phandle
gpu: drm: sti_hqvdp: add missing of_node_put after calling of_parse_phandle
gpu: drm: sti_vdo: add missing of_node_put after calling of_parse_phandle
gpu: drm: sti_compositor: add missing of_node_put after calling of_parse_phandle
drm/tilcdc: use drm_crtc_handle_vblank()
drm/rcar-du: use drm_crtc_handle_vblank()
drm/nouveau: use drm_crtc_handle_vblank()
drm/atmel: use drm_crtc_handle_vblank()
drm/armada: use drm_crtc_handle_vblank()
drm: make drm_vblank_count_and_time() static
...
radeon_device_init() returns an error if either of the two calls to
radeon_init() fail. One level up in the call stack,
radeon_driver_load_kms() will then skip runtime pm initialization and
call radeon_driver_unload_kms(), which acquires a runtime pm ref that
is leaked.
Balance by releasing a runtime pm ref in the error path of
radeon_device_init().
Fixes: 10ebc0bc09 ("drm/radeon: add runtime PM support (v2)")
Cc: Dave Airlie <airlied@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/fa5bb977c1fe00474acedae5b03232dbf0b49410.1465392124.git.lukas@wunner.de
When executing in a PCI passthrough based virtuzliation environment, the
hypervisor will usually attempt to send a PCIe bus reset signal to the
ASIC when the VM reboots. In this scenario, the card is not correctly
initialized, but we still consider it to be posted. Therefore, in a
passthrough based environemnt we should always post the card to guarantee
it is in a good state for driver initialization.
Ported from amdgpu commit:
amdgpu: fix asic initialization for virtualized environments
Cc: Andres Rodriguez <andres.rodriguez@amd.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Seems r600/r700 does not like hard reset while freezing for hibernation
(regression due to 274ad65c9d which itself
is a fix for hibernation on some GPU families). Until i can debug further
issue with r600, let just disable this for r600/r700 as they are very
similar family and bug affecting one likely affect the other.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Merge tag 'v4.6-rc7' into drm-next
Merge this back as we've built up a fair few conflicts, and I have
some newer trees to pull in.
Some GPU block like UVD and VCE require hard reset to be properly
resume if there is no real powerdown of the asic like during various
hibernation step. This patch perform such hard reset.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts commit e64c952efb.
ATPX is the ACPI method for controlling AMD PowerXpress laptops.
There are flags to indicate which methods are supported. If
the dGPU power down flag is not supported, the driver needs to
implement the dGPU power down manually. We had previously
always forced the driver to assume the ATPX dGPU power down
was present, but this causes problems on boards where it is
not, leading to GPU hangs when attempting to power down the
dGPU. Manual dGPU power down is not currently supported in
the Linux driver. Some laptops indicate that the ATPX
dGPU power down method is not present, but it actually
apparently is. I'm not sure if this is a bios bug and it should
be set or if there is a reason it was unset and the method should
not be used. This is not an issue on other OSes since both the
ATPX and the manual driver power down methods are supported.
This is apparently fairly widespread, so just revert for now.
bugs:
https://bugzilla.kernel.org/show_bug.cgi?id=115321https://bugzilla.kernel.org/show_bug.cgi?id=116581https://bugzilla.kernel.org/show_bug.cgi?id=116251
Cc: stable@vger.kernel.org
The pci revision id is useful in debugging certain things as
it's part of how SKUs are defined on newer asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
A few other misc cleanups and bug fixes for 4.6. Highlights:
- unify endian handling in powerplay
- powerplay fixes
- fix a regression in 4.5 on boards with no display connectors
- fence cleanups and locking fixes
- whitespace cleanups and code refactoring in radeon
* 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux: (35 commits)
drm/amdgpu/gfx7: add MTYPE definition
drm/amdgpu: removing BO_VAs shouldn't be interruptible
drm/amd/powerplay: show uvd/vce power gate enablement for tonga.
drm/amd/powerplay: show uvd/vce power gate info for fiji
drm/amdgpu: use sched fence if possible
drm/amdgpu: move ib.fence to job.fence
drm/amdgpu: give a fence param to ib_free
drm/amdgpu: include the right version of gmc header files for iceland
drm/radeon: fix indentation.
drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ
drm/amdgpu: switch back to 32bit hw fences v2
drm/amdgpu: remove amdgpu_fence_is_signaled
drm/amdgpu: drop the extra fence range check v2
drm/amdgpu: signal fences directly in amdgpu_fence_process
drm/amdgpu: cleanup amdgpu_fence_wait_empty v2
drm/amdgpu: keep all fences in an RCU protected array v2
drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring
drm/amdgpu: RCU protected amd_sched_fence_release
drm/amdgpu: RCU protected amdgpu_fence_release
drm/amdgpu: merge amdgpu_fence_process and _activity
...
A few more fixes and cleanups for 4.6:
- DCE code cleanups
- HDP flush/invalidation fixes
- GPUVM fixes
- switch to drm_vblank_[on|off]
- PX fixes
- misc bug fixes
* 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux: (50 commits)
drm/amdgpu: split pipeline sync out of SDMA vm_flush() as well
drm/amdgpu: Revert "add mutex for ba_va->valids/invalids"
drm/amdgpu: Revert "add lock for interval tree in vm"
drm/amdgpu: Revert "add spin lock to protect freed list in vm (v3)"
drm/amdgpu: reserve the PD during unmap and remove
drm/amdgpu: Fix two bugs in amdgpu_vm_bo_split_mapping
drm/radeon: Don't drop DP 2.7 Ghz link setup on some cards.
MAINTAINERS: update radeon entry to include amdgpu as well
drm/amdgpu: disable runtime pm on PX laptops without dGPU power control
drm/radeon: disable runtime pm on PX laptops without dGPU power control
drm/amd/amdgpu: Fix indentation in do_set_base() (DCEv8)
drm/amd/amdgpu: make afmt_init cleanup if alloc fails (DCEv8)
drm/amd/amdgpu: Move config init flag to bottom of sw_init (DCEv8)
drm/amd/amdgpu: Don't proceed into audio_fini if audio is disabled (DCEv8)
drm/amd/amdgpu: Fix identation in do_set_base() (DCEv10)
drm/amd/amdgpu: Make afmt_init cleanup if alloc fails (DCEv10)
drm/amd/amdgpu: Move initialized flag to bottom of sw_init (DCEv10)
drm/amd/amdgpu: Don't proceed in audio_fini if disabled (DCEv10)
drm/amd/amdgpu: Fix indentation in dce_v11_0_crtc_do_set_base()
drm/amd/amdgpu: Make afmt_init() cleanup if alloc fails (DCEv11)
...
I hate doing this but it hurts my eyes to go over code that does not
comply with indentation rules. Only thing that is not only space change
is in atom.c all other files are space indentation issues.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Some PX laptops don't provide an ACPI method to control dGPU power. On
those systems, the driver is responsible for handling the dGPU power
state. Disable runtime PM on them until support for this is implemented.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This reverts commit dbb17a21c1.
It turns out that commit can cause problems for systems with multiple
GPUs, and causes X to hang on at least a HP Pavilion dv7 with hybrid
graphics.
This got noticed originally in 4.4.4, where this patch had already
gotten back-ported, but 4.5-rc7 was verified to have the same problem.
Alexander Deucher says:
"It looks like you have a muxed system so I suspect what's happening is
that one of the display is being reported as connected for both the
IGP and the dGPU and then the desktop environment gets confused or
there some sort problem in the detect functions since the mux is not
switched to the dGPU. I don't see an easy fix unless Dave has any
ideas. I'd say just revert for now"
Reported-by: Jörg-Volker Peetz <jvpeetz@web.de>
Acked-by: Alexander Deucher <Alexander.Deucher@amd.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: stable@kernel.org # wherever dbb17a21c1 got back-ported
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to call this on resume if displays changes during
suspend in order to properly be notified of changes.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Currently everyone and their dog has their own favourite spelling
for vga_switcheroo. This makes it hard to grep dmesg for log entries
relating to vga_switcheroo. It also makes it hard to find related
source files in the tree.
vga_switcheroo.c uses pr_fmt "vga_switcheroo". Use that everywhere.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
In
commit 7a3f3d6667
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jul 9 23:44:28 2015 +0200
drm: Check locking in drm_for_each_connector
I added locking checks to drm_for_each_connector but failed that
through drm_helper_connector_dpms -> drm_helper_choose_encoder_dpms
it's used in a few more places in the radeon resume/suspend code.
Fix them up.
Note that we could use the connector iterator macros in there too, but
that's for the future.
Reported-and-tested-by: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Everything is evicted from VRAM before suspend, so we need to make
sure all BOs are unpinned and re-pinned after resume. Fixes broken
mouse cursor after resume introduced by commit b9729b17.
[Michel Dänzer: Add pinning BOs on resume]
v2:
[Alex Deucher: merge cursor unpin into fb unpin loop]
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=100541
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Newer ASICs have more VRAM on average and allocating more GART as
well can have advantages. Also see commit edcd26e8.
Ideally, we should scale GART size based on actual VRAM size, but
that requires significant restructuring of initialization.
v2: extract small helper, apply to error paths
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Pull drm updates from Dave Airlie:
"This is the main drm pull request for v4.2.
I've one other new driver from freescale on my radar, it's been posted
and reviewed, I'd just like to get someone to give it a last look, so
maybe I'll send it or maybe I'll leave it.
There is no major nouveau changes in here, Ben was working on
something big, and we agreed it was a bit late, there wasn't anything
else he considered urgent to merge.
There might be another msm pull for some bits that are waiting on
arm-soc, I'll see how we time it.
This touches some "of" stuff, acks are in place except for the fixes
to the build in various configs,t hat I just applied.
Summary:
New drivers:
- virtio-gpu:
KMS only pieces of driver for virtio-gpu in qemu.
This is just the first part of this driver, enough to run
unaccelerated userspace on. As qemu merges more we'll start
adding the 3D features for the virgl 3d work.
- amdgpu:
a new driver from AMD to driver their newer GPUs. (VI+)
It contains a new cleaner userspace API, and is a clean
break from radeon moving forward, that AMD are going to
concentrate on. It also contains a set of register headers
auto generated from AMD internal database.
core:
- atomic modesetting API completed, enabled by default now.
- Add support for mode_id blob to atomic ioctl to complete interface.
- bunch of Displayport MST fixes
- lots of misc fixes.
panel:
- new simple panels
- fix some long-standing build issues with bridge drivers
radeon:
- VCE1 support
- add a GPU reset counter for userspace
- lots of fixes.
amdkfd:
- H/W debugger support module
- static user-mode queues
- support killing all the waves when a process terminates
- use standard DECLARE_BITMAP
i915:
- Add Broxton support
- S3, rotation support for Skylake
- RPS booting tuning
- CPT modeset sequence fixes
- ns2501 dither support
- enable cmd parser on haswell
- cdclk handling fixes
- gen8 dynamic pte allocation
- lots of atomic conversion work
exynos:
- Add atomic modesetting support
- Add iommu support
- Consolidate drm driver initialization
- and MIC, DECON and MIPI-DSI support for exynos5433
omapdrm:
- atomic modesetting support (fixes lots of things in rewrite)
tegra:
- DP aux transaction fixes
- iommu support fix
msm:
- adreno a306 support
- various dsi bits
- various 64-bit fixes
- NV12MT support
rcar-du:
- atomic and misc fixes
sti:
- fix HDMI timing complaince
tilcdc:
- use drm component API to access tda998x driver
- fix module unloading
qxl:
- stability fixes"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (872 commits)
drm/nouveau: Pause between setting gpu to D3hot and cutting the power
drm/dp/mst: close deadlock in connector destruction.
drm: Always enable atomic API
drm/vgem: Set unique to "vgem"
of: fix a build error to of_graph_get_endpoint_by_regs function
drm/dp/mst: take lock around looking up the branch device on hpd irq
drm/dp/mst: make sure mst_primary mstb is valid in work function
of: add EXPORT_SYMBOL for of_graph_get_endpoint_by_regs
ARM: dts: rename the clock of MIPI DSI 'pll_clk' to 'sclk_mipi'
drm/atomic: Don't set crtc_state->enable manually
drm/exynos: dsi: do not set TE GPIO direction by input
drm/exynos: dsi: add support for MIC driver as a bridge
drm/exynos: dsi: add support for Exynos5433
drm/exynos: dsi: make use of array for clock access
drm/exynos: dsi: make use of driver data for static values
drm/exynos: dsi: add macros for register access
drm/exynos: dsi: rename pll_clk to sclk_clk
drm/exynos: mic: add MIC driver
of: add helper for getting endpoint node of specific identifiers
drm/exynos: add Exynos5433 decon driver
...
Laptop with Turks/Thames GPU will freeze if dpm is enabled. It seems
the SMC engine is relying on some state inside the CP engine. CP needs
to chew at least one packet for it to get in good state for dynamic
power management.
This patch simply disabled and re-enable DPM after the ring test which
is enough to avoid the freeze.
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Userspace will be able to tell whether a GPU reset occured by comparing
an old referece value of the counter with a new value.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This adds initial DP 1.2 MST support to radeon, on CAYMAN
and up in theory.
This is off by default.
v2: agd5f:
- add UNIPHY3 offsets
- move atom cmd table code into atombios_encoders.c
- whitespace cleanup
- replace some magic numbers with proper defines
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
get_page_entry calculates the GART page table entry, which is just written
to the GART page table by set_page_entry.
This is a prerequisite for the following fix.
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
While developing MST support I noticed I often got the wrong data
back from a transaction, in a racy fashion. I noticed the scratch
space wasn't locked against concurrent users.
Based on a patch by Alex, but I've made it a bit more obvious when
things are locked.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
First round of fixes for 3.18.
- Use gart for DMA ring tests to avoid caching issues with HDP
- SI dpm stability fixes
- Performance stabilization fixes
- misc other things
* 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: reduce sparse false positive warnings
drm/radeon: fix vm page table block size calculation
drm/ttm: Don't evict BOs outside of the requested placement range
drm/ttm: Don't skip fpfn check if lpfn is 0 in ttm_bo_mem_compat
drm/radeon: use gart memory for DMA ring tests
drm/radeon: fix speaker allocation setup
drm/radeon: initialize sadb to NULL in the audio code
Revert "drm/radeon/dpm: drop clk/voltage dependency filters for SI"
Revert "drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table"
The page offset is 12 bits. For example if we have an
8 GB VM, we'd need 33 bits. The number of bits needed
for PD + PT is 21 (33 - 12 or log2(8) + 18), not 20
(log2(8) + 17).
Noticed by Alexey during code review.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Pull drm updates from Dave Airlie:
"This is the main git pull for the drm,
I pretty much froze major pulls at -rc5/6 time, and haven't had much
fallout, so will probably continue doing that.
Lots of changes all over, big internal header cleanup to make it clear
drm features are legacy things and what are things that modern KMS
drivers should be using. Also big move to use the new generic fences
in all the TTM drivers.
core:
atomic prep work,
vblank rework changes, allows immediate vblank disables
major header reworking and cleanups to better delinate legacy
interfaces from what KMS drivers should be using.
cursor planes locking fixes
ttm:
move to generic fences (affects all TTM drivers)
ppc64 caching fixes
radeon:
userptr support,
uvd for old asics,
reset rework for fence changes
better buffer placement changes,
dpm feature enablement
hdmi audio support fixes
intel:
Cherryview work,
180 degree rotation,
skylake prep work,
execlist command submission
full ppgtt prep work
cursor improvements
edid caching,
vdd handling improvements
nouveau:
fence reworking
kepler memory clock work
gt21x clock work
fan control improvements
hdmi infoframe fixes
DP audio
ast:
ppc64 fixes
caching fix
rcar:
rcar-du DT support
ipuv3:
prep work for capture support
msm:
LVDS support for mdp4, new panel, gpu refactoring
exynos:
exynos3250 SoC support, drop bad mmap interface,
mipi dsi changes, and component match support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (640 commits)
drm/mst: rework payload table allocation to conform better.
drm/ast: Fix HW cursor image
drm/radeon/kv: add uvd/vce info to dpm debugfs output
drm/radeon/ci: add uvd/vce info to dpm debugfs output
drm/radeon: export reservation_object from dmabuf to ttm
drm/radeon: cope with foreign fences inside the reservation object
drm/radeon: cope with foreign fences inside display
drm/core: use helper to check driver features
drm/radeon/cik: write gfx ucode version to ucode addr reg
drm/radeon/si: print full CS when we hit a packet 0
drm/radeon: remove unecessary includes
drm/radeon/combios: declare legacy_connector_convert as static
drm/radeon/atombios: declare connector convert tables as static
drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table
drm/radeon/dpm: drop clk/voltage dependency filters for BTC
drm/radeon/dpm: drop clk/voltage dependency filters for CI
drm/radeon/dpm: drop clk/voltage dependency filters for SI
drm/radeon/dpm: drop clk/voltage dependency filters for NI
drm/radeon: disable audio when we disable hdmi (v2)
drm/radeon: split audio enable between eg and r600 (v2)
...
Adds an extra argument to radeon_bo_create, which is only used in radeon_prime.c.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use the new vga_switcheroo_fini_domain_pm_ops function
to unregister the pm ops.
Based on a patch from:
Pali Rohár <pali.rohar@gmail.com>
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=84431
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Changes since v1:
- Kill the sw interrupt dance, add and use
radeon_irq_kms_sw_irq_get_delayed instead.
- Change custom wait function, lockdep complained about it.
Holding exclusive_lock in the wait function might cause deadlocks.
Instead do all the processing in .enable_signaling, and wait
on the global fence_queue to pick up gpu resets.
- Process all fences in radeon_gpu_reset after reset to close a race
with the trylock in enable_signaling.
Changes since v2:
- Small changes to work with the rewritten lockup recovery patches.
Changes since v3:
- Call radeon_fence_schedule_check when exclusive_lock cannot be
acquired to always cause a wake up.
- Reset irqs from hangup check.
- Drop reading seqno in the callback, use cached value.
- Fix indentation in radeon_fence_default_wait
- Add a radeon_test_signaled function, drop a few test_bit calls.
- Make to_radeon_fence global.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Blocking completely innocent processes with a GPU reset is
a pretty bad idea. Just set needs_reset and let the next
command submission or fence wait do the job.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is needed for the next commit, because the lockup detection
will need the read lock to run.
v4 (chk): split out forced fence completion, remove unrelated changes,
add and handle in_reset flag
v5 (agd5f): rebase fix
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Instead of resetting all fence numbers, only reset the
number of the problematic ring. Split out from a patch
from Maarten Lankhorst <maarten.lankhorst@canonical.com>
v2 (agd5f): rebase build fix
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise we won't test if the fallback to PCIe GART really worked.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
radeon userptr support.
* 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: allow userptr write access under certain conditions
drm/radeon: add userptr flag to register MMU notifier v3
drm/radeon: add userptr flag to directly validate the BO to GTT
drm/radeon: add userptr flag to limit it to anonymous memory v2
drm/radeon: add userptr support v8
Conflicts:
drivers/gpu/drm/radeon/radeon_prime.c
