if sriov gpu reset is invoked by job timeout, it is run
in a global work-queue which is very slow and better not call
msleep ortherwise it takes long time to get back CPU.
so make below changes:
1: Change msleep 1 to mdelay 5
2: Ignore the ack fail from pf after time out,
because VF FLR will clear ack, sometime VF FLR is done
prior to the beginning of poll_ack so we can ignore this ack
TODO:
Put job_timedout (and the following gpu reset) in a driver thread,
instead of the global work_struct.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
this is to prevent fence forever waiting if FLR occured
during register accessing.
v2:
use define instead of hardcode for the timeout msec
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We need to make sure the various init sequences submitted
to KIQ complete before testing the rings.
Reviewed-by: monk liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Will be used in subsequent commits rather rather than
magic numbers.
Reviewed-by: monk liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
And properly synchronize them with the master during
queue init.
Reviewed-by: monk liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The usage of kiq should not depend on the virtualization.
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by:Andres Rodriquez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Interface to reserve a vmid for a specific process to
add in shader debugging that requries a fixed vmid.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Implement the vmid reservation.
v2: move sync waiting only when flush needs
v3: fix racy
v4: peek fence instead of get fence, and fix potential context starved.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Limit reserved vmids to 1 to avoid taking too many
out of commission and starving the system.
v2: move #define to amdgpu_vm.h
v3: move reserved vmid counter to id_manager,
and increase counter before allocating vmid
v4: rename to reserved_vmid_num
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
add reserve/unreserve vmid funtions. Used to reserve
vmids for certain shader debugging functionality that
required a fixed vmid for the life of the debug.
v3:
only reserve vmid from gfxhub
v4:
fix racy condition
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It will be used for reserving vmid for shader debugging
that requires a fixed vmid.
v2: fix warning (Alex)
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Support for MCBP/Virtualization in combination with chained IBs is
formal released on firmware feature version #46. So enable it
according to firmware feature version, otherwise, world switch will
hang.
Signed-off-by: Trigger Huang <trigger.huang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Bug: SWDEV-117987: Always on CU mask broken for gfx7+
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Change place of virt_init_setting function so that can cover the
cg and pg flags configuration.
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
GPU hypervisor cover all settings of CG and PG, so guest doesn't
need to do anything. Bypass it.
Signed-off-by: Frank Min <Frank.Min@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Only per family registers are still used.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
I couldn't figure out what this was original good for, but we
don't use it any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Xiaojie Yuan <Xiaojie.Yuan@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
I'm not sure if the order matters, but it seems like it makes
more sense to set this after the range is programmed.
v2: rebase (Alex)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
add set_doorbell functions for mec and cpg.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This could be used in Andres' priority scheduling patch
as well.
Reviewed-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Even if we disable clockgating, we still need to make sure the
cp/rlc interrupts are enabled for powergating which might still
be enabled.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Even if we disable clockgating, we still need to make sure the
cp/rlc interrupts are enabled for powergating which might still
be enabled.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It's global, not queue specific, so move it out of the
kiq register init function.
Tested-and-Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
No need to reset the wptr and clear the rings. The UNMAP_QUEUES
packet writes the current MQD state back the MQD on suspend,
so there is no need to reset it as well.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use the UNMAP_QUEUES packet to have the KIQ properly
disable them.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
As the KCQ setup. This way we only have to wait once for the
entire MEC.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
One for KIQ and one for the KCQ. This simplifies the logic and
allows for future optimizations.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We need to make sure the various init sequences submitted
to KIQ complete before testing the rings.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Re-enable GFX PG. It's working properly with MEC now that KIQ is
enabled.
Reviewed-by: Samuel Li <samuel.li@amd.com>
This reverts commit e9ef19aa1bdeac380662a112f1d03a7c3477527f.
KIQ is the Kernel Interface Queue for managing the MEC. Rather than setting
up rings via direct MMIO of ring registers, the rings are configured via
special packets sent to the KIQ. The allows the MEC to better manage shared
resources and certain power events.
v2: squash in s3/s4 fix from Rex
v3: further fixes from Rex
Signed-off-by: David Panariti <David.Panariti@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add missing chips to the doorbell range setup. These
were missed in the KIQ code. Fixes power and performance
regressions with KIQ. Spotted by Rex.
Tested-and-Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Need to properly set the MTYPE and ROQ space setting.
This should fix performance regressions with KIQ enabled.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Taken care of by gpu info firmware now.
v2: rebase
v3: rework based on latest firmware
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Tested-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
And populate the gfx structures from it.
v2: update the structures updated by the table
v3: rework based on new table structure
v4: simplify things
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Tested-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a new gpu info firmware to store gpu specific configuration
data. This allows us to store hw constants in a unified place.
v2: adjust structure and elements
v3: further restructure
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Tested-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Even if the vblank period would allow it, it still seems to
be problematic on some cards.
v2: fix logic inversion (Nils)
bug: https://bugs.freedesktop.org/show_bug.cgi?id=96868
Cc: stable@vger.kernel.org
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reinitializing the VM manager during suspend/resume is a very very bad
idea since all the VMs are still active and kicking.
This can lead to random VM faults after resume when new processes
become the same client ID assigned.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
UAPI Changes:
- Return -ENODEV instead of -ENXIO when creating cma fb w/o valid gem (Daniel)
- Add aspect ratio and custom scaling propertis to connector state (Maarten)
Cross-subsystem Changes:
- None
Core Changes:
- Add Laurent as bridge reviewer and Andrzej as bridge maintainer (Archit)
- Maintain new STM driver through -misc (Yannick)
- Misc doc improvements (as is tradition) (Daniel)
- Add driver-private objects to atomic state (Dhinakaran)
- Deprecate preclose hook in modern drivers (use postclose) (Daniel)
- Add hwmode to vblank struct. This fixes mode access in irq context and reduced
a bunch of boilerplate (Daniel)
Driver Changes:
- vc4: Add out-fence support to vc4 V3D rendering (Eric)
- stm: Add stm32f429 display hw and am-480272h3tmqw-t01h panel support (Yannick)
- vc4: Remove 256MB cma limit from vc4 (Eric)
- dw-hdmi: Disable audio when inactive, instead of always enabled (Romain)
- zte: Add support for VGA to the ZTE driver (Shawn)
- i915: Track DP MST bandwidth and check it in atomic_check (Dhinakaran)
- vgem: Enable gem dmabuf import iface to facilitate ion testing (Laura)
- vc4: Add support for Cygnus (new dt compat string + couple bug fixes) (Eric)
- pl111: Add driver for pl111 CLCD display controller (Eric/Tom)
- vgem: Subclass drm_device instead of standalone platform device (Chris)
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: Yannick Fertre <yannick.fertre@st.com>
Cc: Romain Perier <romain.perier@collabora.com>
Cc: Navare, Manasi D <manasi.d.navare@intel.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Tom Cooksey <tom.cooksey@arm.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
* tag 'drm-misc-next-2017-05-16' of git://anongit.freedesktop.org/git/drm-misc: (72 commits)
drm: add missing declaration to drm_blend.h
drm/dp: Wait up all outstanding tx waiters
drm/dp: Read the tx msg state once after checking for an event
drm/prime: Forward declare struct device
drm/vblank: Lock down vblank->hwmode more
drm/vblank: drop the mode argument from drm_calc_vbltimestamp_from_scanoutpos
drm/vblank: Add FIXME comments about moving the vblank ts hooks
drm/vblank: Switch to bool in_vblank_irq in get_vblank_timestamp
drm/vblank: Switch drm_driver->get_vblank_timestamp to return a bool
drm/vgem: Convert to a struct drm_device subclass
gpu: drm: gma500: remove dead code
drm/sti: Adjust two checks for null pointers in sti_hqvdp_probe()
drm/sti: Fix typos in a comment line
drm/sti: Fix a typo in a comment line
drm/sti: Replace 17 seq_puts() calls by seq_putc()
drm/sti: Reduce function calls for sequence output at five places
drm/sti: use seq_puts to display a string
drm: Nerf the preclose callback for modern drivers
drm/exynos: Merge pre/postclose hooks
drm/tegra: switch to postclose
...
