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a8c2d5ab9e
linux/drivers/gpu/drm/i915/gvt
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Weinan a8c2d5ab9e drm/i915/gvt: emit init breadcrumb for gvt request 
"To track whether a request has started on HW, we can emit a breadcrumb at
the beginning of the request and check its timeline's HWSP to see if the
breadcrumb has advanced past the start of this request." It means all the
request which timeline's has_init_breadcrumb is true, then the
emit_init_breadcrumb process must have before emitting the real commands,
otherwise, the scheduler might get a wrong state of this request during
reset. If the request is exactly the guilty one, the scheduler won't
terminate it with the wrong state. To avoid this, do emit_init_breadcrumb
for all the requests from gvt.

v2: cc to stable kernel

Fixes: 8547444137 ("drm/i915: Identify active requests")
Cc: stable@vger.kernel.org
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Weinan <weinan.z.li@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2019-05-21 10:57:11 +08:00
..
aperture_gm.c drm/i915: Markup paired operations on wakerefs 2019-01-14 16:17:53 +00:00
cfg_space.c drm/i915/gvt: Fix function comment doc errors 2018-08-07 10:39:53 +08:00
cmd_parser.c Merge tag 'drm-intel-next-2019-04-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2019-04-24 10:02:20 +10:00
cmd_parser.h
debug.h
debugfs.c drm/i915/gvt: Use snprintf() to prevent possible buffer overflow. 2019-04-25 15:34:59 +08:00
display.c Merge tag 'drm-intel-next-2019-04-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2019-04-24 10:02:20 +10:00
display.h drm/i915/gvt: add functions to get default resolution 2019-01-31 11:26:48 +08:00
dmabuf.c drm/i915/gvt: Do not copy the uninitialized pointer from fb_info 2019-04-25 15:34:00 +08:00
dmabuf.h
edid.c drm/i915/gvt: Refine port select logic for CFL platform 2019-01-10 11:38:04 +08:00
edid.h
execlist.c drm/i915: Move intel_engine_mask_t around for use by i915_request_types.h 2019-04-02 15:09:08 +01:00
execlist.h drm/i915: Move intel_engine_mask_t around for use by i915_request_types.h 2019-04-02 15:09:08 +01:00
fb_decoder.c Merge tag 'gvt-next-2019-01-24' of https://github.com/intel/gvt-linux into drm-intel-next-queued 2019-01-24 14:50:04 -08:00
fb_decoder.h drm/i915/gvt: Fix drm_format_mod value for vGPU plane 2018-08-30 12:56:33 +08:00
firmware.c drm/i915/gvt: Use offsetofend() rather than offsetof + sizeof 2018-05-17 22:05:10 +08:00
gtt.c drm/i915/gvt: Check if get_next_pt_type() always returns a valid value 2019-04-25 15:36:29 +08:00
gtt.h drm/i915/gvt: Remove typedef and let the enumeration starts from zero 2019-04-25 15:32:10 +08:00
gvt.c drm/i915/gvt: add hotplug emulation 2019-01-31 11:26:55 +08:00
gvt.h Merge tag 'drm-intel-next-2019-04-04' into gvt-next 2019-04-16 16:50:34 +08:00
handlers.c drm/i915/gvt: Revert "drm/i915/gvt: Refine the snapshort range of I915 MCHBAR to optimize gvt-g boot time" 2019-04-29 14:26:59 +08:00
hypercall.h Linux 5.0-rc7 2019-02-18 13:27:15 +10:00
interrupt.c drm/i915: Store the BIT(engine->id) as the engine's mask 2019-03-05 18:19:50 +00:00
interrupt.h
kvmgt.c drm/i915/gvt: Annotate iomem usage 2019-04-08 10:39:26 +08:00
Makefile drm: prefix header search paths with $(srctree)/ 2019-04-26 17:03:23 +02:00
mmio_context.c drm/i915/gvt: Add in context mmio 0x20D8 to gen9 mmio list 2019-05-05 17:02:25 +08:00
mmio_context.h drm/i915/gvt: only copy the first page for restore inhibit context 2018-08-02 13:27:54 +08:00
mmio.c drm/i915/gvt: remove the unused sreg 2019-03-11 11:32:07 +08:00
mmio.h drm/i915/gvt: Add coffeelake platform definition 2019-01-10 11:35:02 +08:00
mpt.h Linux 5.0-rc7 2019-02-18 13:27:15 +10:00
opregion.c This is the 4.19-rc5 stable release 2018-09-27 11:06:46 +10:00
page_track.c drm/i915/gvt: Fix function comment doc errors 2018-08-07 10:39:53 +08:00
page_track.h
reg.h drm/i915/gvt: Revert "drm/i915/gvt: Refine the snapshort range of I915 MCHBAR to optimize gvt-g boot time" 2019-04-29 14:26:59 +08:00
sched_policy.c Merge tag 'gvt-next-2019-01-24' of https://github.com/intel/gvt-linux into drm-intel-next-queued 2019-01-24 14:50:04 -08:00
sched_policy.h
scheduler.c drm/i915/gvt: emit init breadcrumb for gvt request 2019-05-21 10:57:11 +08:00
scheduler.h drm/i915: Move intel_engine_mask_t around for use by i915_request_types.h 2019-04-02 15:09:08 +01:00
trace_points.c
trace.h drm/i915/gvt: give the cmd parser cmd_info a const treatment 2019-01-10 11:29:02 +08:00
vgpu.c drm/i915: Move intel_engine_mask_t around for use by i915_request_types.h 2019-04-02 15:09:08 +01:00