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Since commit "9fdd90c0f4 drm/virtio: add virtio_gpu_alloc_fence()"
fences are not allocated any more by virtio_gpu_fence_emit(). So there
is no need to pass down a reference to the fence pointer, a plain
pointer is enough now.
Convert virtio_gpu_fence_emit() and callers.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Robert Foss <robert.foss@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20181128151021.29565-2-kraxel@redhat.com
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Refactor fence creation, add fences to relevant GPU
operations and add cursor helper functions.
This removes the potential for allocation failures from the
cmd_submit and atomic_commit paths.
Now a fence will be allocated first and only after that
will we proceed with the rest of the execution.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20181112165157.32765-2-robert.foss@collabora.com
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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dma_fence_default_wait is the default now, same for the trivial
enable_signaling implementation.
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Link: https://patchwork.freedesktop.org/patch/msgid/20180503142603.28513-15-daniel.vetter@ffwll.ch
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I plan to usurp the short name of struct fence for a core kernel struct,
and so I need to rename the specialised fence/timeline for DMA
operations to make room.
A consensus was reached in
https://lists.freedesktop.org/archives/dri-devel/2016-July/113083.html
that making clear this fence applies to DMA operations was a good thing.
Since then the patch has grown a bit as usage increases, so hopefully it
remains a good thing!
(v2...: rebase, rerun spatch)
v3: Compile on msm, spotted a manual fixup that I broke.
v4: Try again for msm, sorry Daniel
coccinelle script:
@@
@@
- struct fence
+ struct dma_fence
@@
@@
- struct fence_ops
+ struct dma_fence_ops
@@
@@
- struct fence_cb
+ struct dma_fence_cb
@@
@@
- struct fence_array
+ struct dma_fence_array
@@
@@
- enum fence_flag_bits
+ enum dma_fence_flag_bits
@@
@@
(
- fence_init
+ dma_fence_init
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- fence_release
+ dma_fence_release
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- fence_free
+ dma_fence_free
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- fence_get
+ dma_fence_get
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- fence_get_rcu
+ dma_fence_get_rcu
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- fence_put
+ dma_fence_put
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- fence_signal
+ dma_fence_signal
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- fence_signal_locked
+ dma_fence_signal_locked
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- fence_default_wait
+ dma_fence_default_wait
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- fence_add_callback
+ dma_fence_add_callback
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- fence_remove_callback
+ dma_fence_remove_callback
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- fence_enable_sw_signaling
+ dma_fence_enable_sw_signaling
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- fence_is_signaled_locked
+ dma_fence_is_signaled_locked
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- fence_is_signaled
+ dma_fence_is_signaled
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- fence_is_later
+ dma_fence_is_later
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- fence_later
+ dma_fence_later
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- fence_wait_timeout
+ dma_fence_wait_timeout
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- fence_wait_any_timeout
+ dma_fence_wait_any_timeout
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- fence_wait
+ dma_fence_wait
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- fence_context_alloc
+ dma_fence_context_alloc
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- fence_array_create
+ dma_fence_array_create
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- to_fence_array
+ to_dma_fence_array
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- fence_is_array
+ dma_fence_is_array
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- trace_fence_emit
+ trace_dma_fence_emit
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- FENCE_TRACE
+ DMA_FENCE_TRACE
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- FENCE_WARN
+ DMA_FENCE_WARN
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- FENCE_ERR
+ DMA_FENCE_ERR
)
(
...
)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161025120045.28839-1-chris@chris-wilson.co.uk
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virtio fences were created with no fence context, which would make then
clash with an allocated fence context.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Message-id: 1472660813-28219-2-git-send-email-gustavo@padovan.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Pull drm updates from Dave Airlie:
"I Was Almost Tempted To Capitalise Every Word, but then I decided I
couldn't read it myself!
I've also got one pull request for the sti driver outstanding. It
relied on a commit in Greg's tree and I didn't find out in time, that
commit is in your tree now so I might send that along once this is
merged.
I also had the accidental misfortune to have access to a Skylake on my
desk for a few days, and I've had to encourage Intel to try harder,
which seems to be happening now.
Here is the main drm-next pull request for 4.4.
Highlights:
New driver:
vc4 driver for the Rasberry Pi VPU.
(From Eric Anholt at Broadcom.)
Core:
Atomic fbdev support
Atomic helpers for runtime pm
dp/aux i2c STATUS_UPDATE handling
struct_mutex usage cleanups.
Generic of probing support.
Documentation:
Kerneldoc for VGA switcheroo code.
Rename to gpu instead of drm to reflect scope.
i915:
Skylake GuC firmware fixes
HPD A support
VBT backlight fallbacks
Fastboot by default for some systems
FBC work
BXT/SKL workarounds
Skylake deeper sleep state fixes
amdgpu:
Enable GPU scheduler by default
New atombios opcodes
GPUVM debugging options
Stoney support.
Fencing cleanups.
radeon:
More efficient CS checking
nouveau:
gk20a instance memory handling improvements.
Improved PGOB detection and GK107 support
Kepler GDDR5 PLL statbility improvement
G8x/GT2xx reclock improvements
new userspace API compatiblity fixes.
virtio-gpu:
Add 3D support - qemu 2.5 has it merged for it's gtk backend.
msm:
Initial msm88896 (snapdragon 8200)
exynos:
HDMI cleanups
Enable mixer driver byt default
Add DECON-TV support
vmwgfx:
Move to using memremap + fixes.
rcar-du:
Add support for R8A7793/4 DU
armada:
Remove support for non-component mode
Improved plane handling
Power savings while in DPMS off.
tda998x:
Remove unused slave encoder support
Use more HDMI helpers
Fix EDID read handling
dwhdmi:
Interlace video mode support for ipu-v3/dw_hdmi
Hotplug state fixes
Audio driver integration
imx:
More color formats support.
tegra:
Minor fixes/improvements"
[ Merge fixup: remove unused variable 'dev' that had all uses removed in
commit 4e270f088011: "drm/gem: Drop struct_mutex requirement from
drm_gem_mmap_obj" ]
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (764 commits)
drm/vmwgfx: Relax irq locking somewhat
drm/vmwgfx: Properly flush cursor updates and page-flips
drm/i915/skl: disable display side power well support for now
drm/i915: Extend DSL readout fix to BDW and SKL.
drm/i915: Do graphics device reset under forcewake
drm/i915: Skip fence installation for objects with rotated views (v4)
vga_switcheroo: Drop client power state VGA_SWITCHEROO_INIT
drm/amdgpu: group together common fence implementation
drm/amdgpu: remove AMDGPU_FENCE_OWNER_MOVE
drm/amdgpu: remove now unused fence functions
drm/amdgpu: fix fence fallback check
drm/amdgpu: fix stoping the scheduler timeout
drm/amdgpu: cleanup on error in amdgpu_cs_ioctl()
drm/i915: Fix locking around GuC firmware load
drm/amdgpu: update Fiji's Golden setting
drm/amdgpu: update Fiji's rev id
drm/amdgpu: extract common code in vi_common_early_init
drm/amd/scheduler: don't oops on failure to load
drm/amdgpu: don't oops on failure to load (v2)
drm/amdgpu: don't VT switch on suspend
...
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Add helper function to handle the submission of fenced control requests.
Make sure we initialize the fence while holding the virtqueue lock, so
requests can't be reordered.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The virtgpu driver prints the last_seq variable using the %ld or
%lu format string, which does not work correctly on all architectures
and causes this compiler warning on ARM:
drivers/gpu/drm/virtio/virtgpu_fence.c: In function 'virtio_timeline_value_str':
drivers/gpu/drm/virtio/virtgpu_fence.c:64:22: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'long long int' [-Wformat=]
snprintf(str, size, "%lu", atomic64_read(&fence->drv->last_seq));
^
drivers/gpu/drm/virtio/virtgpu_debugfs.c: In function 'virtio_gpu_debugfs_irq_info':
drivers/gpu/drm/virtio/virtgpu_debugfs.c:37:16: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'long long int' [-Wformat=]
seq_printf(m, "fence %ld %lld\n",
^
In order to avoid the warnings, this changes the format strings to %llu
and adds a cast to u64, which makes it work the same way everywhere.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This patch adds a kms driver for the virtio gpu. The xorg modesetting
driver can handle the device just fine, the framebuffer for fbcon is
there too.
Qemu patches for the host side are under review currently.
The pci version of the device comes in two variants: with and without
vga compatibility. The former has a extra memory bar for the vga
framebuffer, the later is a pure virtio device. The only concern for
this driver is that in the virtio-vga case we have to kick out the
firmware framebuffer.
Initial revision has only 2d support, 3d (virgl) support requires
some more work on the qemu side and will be added later.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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