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Simplify the driver code with DRM GEM helper function.
v2:
improve commit comment.
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010140152.17747-3-yuq825@gmail.com
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Do not need to maintain our own shmem memory management
code as drm_gem_shmem_helpers provides it. And we can
also benifit from the work of others with shared code.
This is also a preparation for implementing buffer madv.
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010140152.17747-2-yuq825@gmail.com
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Pull drm updates from Dave Airlie:
"This is the main pull request for 5.4-rc1 merge window. I don't think
there is anything outstanding so next week should just be fixes, but
we'll see if I missed anything. I landed some fixes earlier in the
week but got delayed writing summary and sending it out, due to a mix
of sick kid and jetlag!
There are some fixes pending, but I'd rather get the main merge out of
the way instead of delaying it longer.
It's also pretty large in commit count and new amd header file size.
The largest thing is four new amdgpu products (navi12/14, arcturus and
renoir APU support).
Otherwise it's pretty much lots of work across the board, i915 has
started landing tigerlake support, lots of icelake fixes and lots of
locking reworking for future gpu support, lots of header file rework
(drmP.h is nearly gone), some old legacy hacks (DRM_WAIT_ON) have been
put into the places they are needed.
uapi:
- content protection type property for HDCP
core:
- rework include dependencies
- lots of drmP.h removals
- link rate calculation robustness fix
- make fb helper map only when required
- add connector->DDC adapter link
- DRM_WAIT_ON removed
- drop DRM_AUTH usage from drivers
dma-buf:
- reservation object fence helper
dma-fence:
- shrink dma_fence struct
- merge signal functions
- store timestamps in dma_fence
- selftests
ttm:
- embed drm_get_object struct into ttm_buffer_object
- release_notify callback
bridges:
- sii902x - audio graph card support
- tc358767 - aux data handling rework
- ti-snd64dsi86 - debugfs support, DSI mode flags support
panels:
- Support for GiantPlus GPM940B0, Sharp LQ070Y3DG3B, Ortustech
COM37H3M, Novatek NT39016, Sharp LS020B1DD01D, Raydium RM67191, Boe
Himax8279d, Sharp LD-D5116Z01B
- TI nspire, NEC NL8048HL11, LG Philips LB035Q02, Sharp LS037V7DW01,
Sony ACX565AKM, Toppoly TD028TTEC1 Toppoly TD043MTEA1
i915:
- Initial tigerlake platform support
- Locking simplification work, general all over refactoring.
- Selftests
- HDCP debug info improvements
- DSI properties
- Icelake display PLL fixes, colorspace fixes, bandwidth fixes, DSI
suspend/resume
- GuC fixes
- Perf fixes
- ElkhartLake enablement
- DP MST fixes
- GVT - command parser enhancements
amdgpu:
- add wipe memory on release flag for buffer creation
- Navi12/14 support (may be marked experimental)
- Arcturus support
- Renoir APU support
- mclk DPM for Navi
- DC display fixes
- Raven scatter/gather support
- RAS support for GFX
- Navi12 + Arcturus power features
- GPU reset for Picasso
- smu11 i2c controller support
amdkfd:
- navi12/14 support
- Arcturus support
radeon:
- kexec fix
nouveau:
- improved display color management
- detect lack of GPU power cables
vmwgfx:
- evicition priority support
- remove unused security feature
msm:
- msm8998 display support
- better async commit support for cursor updates
etnaviv:
- per-process address space support
- performance counter fixes
- softpin support
mcde:
- DCS transfers fix
exynos:
- drmP.h cleanup
lima:
- reduce logging
kirin:
- misc clenaups
komeda:
- dual-link support
- DT memory regions
hisilicon:
- misc fixes
imx:
- IPUv3 image converter fixes
- 32-bit RGB V4L2 pixel format support
ingenic:
- more support for panel related cases
mgag200:
- cursor support fix
panfrost:
- export GPU features register to userspace
- gpu heap allocations
- per-fd address space support
pl111:
- CLD pads wiring support removed from DT
rockchip:
- rework to use DRM PSR helpers
- fix bug in VOP_WIN_GET macro
- DSI DT binding rework
sun4i:
- improve support for color encoding and range
- DDC enabled GPIO
tinydrm:
- rework SPI support
- improve MIPI-DBI support
- moved to drm/tiny
vkms:
- rework CRC tracking
dw-hdmi:
- get_eld and i2s improvements
gm12u320:
- misc fixes
meson:
- global code cleanup
- vpu feature detect
omap:
- alpha/pixel blend mode properties
rcar-du:
- misc fixes"
* tag 'drm-next-2019-09-18' of git://anongit.freedesktop.org/drm/drm: (2112 commits)
drm/nouveau/bar/gm20b: Avoid BAR1 teardown during init
drm/nouveau: Fix ordering between TTM and GEM release
drm/nouveau/prime: Extend DMA reservation object lock
drm/nouveau: Fix fallout from reservation object rework
drm/nouveau/kms/nv50-: Don't create MSTMs for eDP connectors
drm/i915: Use NOEVICT for first pass on attemping to pin a GGTT mmap
drm/i915: to make vgpu ppgtt notificaiton as atomic operation
drm/i915: Flush the existing fence before GGTT read/write
drm/i915: Hold irq-off for the entire fake lock period
drm/i915/gvt: update RING_START reg of vGPU when the context is submitted to i915
drm/i915/gvt: update vgpu workload head pointer correctly
drm/mcde: Fix DSI transfers
drm/msm: Use the correct dma_sync calls harder
drm/msm: remove unlikely() from WARN_ON() conditions
drm/msm/dsi: Fix return value check for clk_get_parent
drm/msm: add atomic traces
drm/msm/dpu: async commit support
drm/msm: async commit support
drm/msm: split power control from prepare/complete_commit
drm/msm: add kms->flush_commit()
...
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drm_gem_reservation_object_wait() returns 0 if it succeeds and -ETIME
if it timeouts, but lima driver assumed that 0 is error.
Cc: stable@vger.kernel.org
Fixes: a1d2a6339961e ("drm/lima: driver for ARM Mali4xx GPUs")
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190908024800.23229-1-anarsoul@gmail.com
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Be more consistent with the naming of the other DMA-buf objects.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/323401/
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It was only used for prime import, which is now handled by
drm_prime.c.
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Qiang Yu <yuq825@gmail.com>
Cc: lima@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-44-daniel.vetter@ffwll.ch
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It's a pretty direct port of what I did for v3d.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401222635.25013-8-eric@anholt.net
Reviewed-and-tested-by: Qiang Yu <yuq825@gmail.com>
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To prevent build fail on some platform which does
not have it in the include file chain.
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: a1d2a6339961 ("drm/lima: driver for ARM Mali4xx GPUs")
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190409003617.4470-2-yuq825@gmail.com
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- Mali 4xx GPUs have two kinds of processors GP and PP. GP is for
OpenGL vertex shader processing and PP is for fragment shader
processing. Each processor has its own MMU so prcessors work in
virtual address space.
- There's only one GP but multiple PP (max 4 for mali 400 and 8
for mali 450) in the same mali 4xx GPU. All PPs are grouped
togather to handle a single fragment shader task divided by
FB output tiled pixels. Mali 400 user space driver is
responsible for assign target tiled pixels to each PP, but mali
450 has a HW module called DLBU to dynamically balance each
PP's load.
- User space driver allocate buffer object and map into GPU
virtual address space, upload command stream and draw data with
CPU mmap of the buffer object, then submit task to GP/PP with
a register frame indicating where is the command stream and misc
settings.
- There's no command stream validation/relocation due to each user
process has its own GPU virtual address space. GP/PP's MMU switch
virtual address space before running two tasks from different
user process. Error or evil user space code just get MMU fault
or GP/PP error IRQ, then the HW/SW will be recovered.
- Use GEM+shmem for MM. Currently just alloc and pin memory when
gem object creation. GPU vm map of the buffer is also done in
the alloc stage in kernel space. We may delay the memory
allocation and real GPU vm map to command submission stage in the
furture as improvement.
- Use drm_sched for GPU task schedule. Each OpenGL context should
have a lima context object in the kernel to distinguish tasks
from different user. drm_sched gets task from each lima context
in a fair way.
mesa driver can be found here before upstreamed:
https://gitlab.freedesktop.org/lima/mesa
v8:
- add comments for in_sync
- fix ctx free miss mutex unlock
v7:
- remove lima_fence_ops with default value
- move fence slab create to device probe
- check pad ioctl args to be zero
- add comments for user/kernel interface
v6:
- fix comments by checkpatch.pl
v5:
- export gp/pp version to userspace
- rebase on drm-misc-next
v4:
- use get param interface to get info
- separate context create/free ioctl
- remove unused max sched task param
- update copyright time
- use xarray instead of idr
- stop using drmP.h
v3:
- fix comments from kbuild robot
- restrict supported arch to tested ones
v2:
- fix syscall argument check
- fix job finish fence leak since kernel 5.0
- use drm syncobj to replace native fence
- move buffer object GPU va map into kernel
- reserve syscall argument space for future info
- remove kernel gem modifier
- switch TTM back to GEM+shmem MM
- use time based io poll
- use whole register name
- adopt gem reservation obj integration
- use drm_timeout_abs_to_jiffies
Cc: Eric Anholt <eric@anholt.net>
Cc: Rob Herring <robh@kernel.org>
Cc: Christian König <ckoenig.leichtzumerken@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Dave Airlie <airlied@gmail.com>
Signed-off-by: Andreas Baierl <ichgeh@imkreisrum.de>
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Simon Shields <simon@lineageos.org>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Rob Herring <robh@kerrnel.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/291200/
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