leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
9174c1d619
linux/drivers/gpu/drm/i915/gvt
History
Xiaolin Zhang 9174c1d619 drm/i915/gvt: emulate gen9 dbuf ctl register access 
there is below call track at boot time when booting guest
with kabylake vgpu with specifal configuration and this try to fix it.

[drm:gen9_dbuf_enable [i915]] *ERROR* DBuf power enable timeout
------------[ cut here ]------------
WARNING: gen9_dc_off_power_well_enable+0x224/0x230 [i915]
Unexpected DBuf power power state (0x8000000a)
Hardware name: Red Hat KVM, BIOS 1.11.0-2.el7 04/01/2014
Call Trace:
 [<ffffffff99d24408>] dump_stack+0x19/0x1b
 [<ffffffff996926d8>] __warn+0xd8/0x100
 [<ffffffff9969275f>] warn_slowpath_fmt+0x5f/0x80
 [<ffffffffc07bbae4>] gen9_dc_off_power_well_enable+0x224/0x230 [i915]
 [<ffffffffc07ba9d2>] intel_power_well_enable+0x42/0x50 [i915]
 [<ffffffffc07baa6a>] __intel_display_power_get_domain+0x8a/0xb0 [i915]
 [<ffffffffc07bdb93>] intel_display_power_get+0x33/0x50 [i915]
 [<ffffffffc07bdf95>] intel_display_set_init_power+0x45/0x50 [i915]
 [<ffffffffc07be003>] intel_power_domains_init_hw+0x63/0x8a0 [i915]
 [<ffffffffc07995c3>] i915_driver_load+0xae3/0x1760 [i915]
 [<ffffffff99bd6580>] ? nvmem_register+0x500/0x500
 [<ffffffffc07a476c>] i915_pci_probe+0x2c/0x50 [i915]
 [<ffffffff9999cfea>] local_pci_probe+0x4a/0xb0
 [<ffffffff9999e729>] pci_device_probe+0x109/0x160
 [<ffffffff99a79aa5>] driver_probe_device+0xc5/0x3e0
 [<ffffffff99a79ea3>] __driver_attach+0x93/0xa0
 [<ffffffff99a79e10>] ? __device_attach+0x50/0x50
 [<ffffffff99a77645>] bus_for_each_dev+0x75/0xc0
 [<ffffffff99a7941e>] driver_attach+0x1e/0x20
 [<ffffffff99a78ec0>] bus_add_driver+0x200/0x2d0
 [<ffffffff99a7a534>] driver_register+0x64/0xf0
 [<ffffffff9999df65>] __pci_register_driver+0xa5/0xc0
 [<ffffffffc0929000>] ? 0xffffffffc0928fff
 [<ffffffffc0929059>] i915_init+0x59/0x5c [i915]
 [<ffffffff9960210a>] do_one_initcall+0xba/0x240
 [<ffffffff9971108c>] load_module+0x272c/0x2bc0
 [<ffffffff9997b990>] ? ddebug_proc_write+0xf0/0xf0
 [<ffffffff997115e5>] SyS_init_module+0xc5/0x110
 [<ffffffff99d36795>] system_call_fastpath+0x1c/0x21

Signed-off-by: Xiaolin Zhang <xiaolin.zhang@intel.com>

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-30 12:54:08 +08:00
..
aperture_gm.c drm/i915/gvt: Off by one in intel_vgpu_write_fence() 2018-08-14 15:26:59 +08:00
cfg_space.c drm/i915/gvt: Fix aperture read/write emulation when enable x-no-mmap=on 2018-02-06 11:41:27 -08:00
cmd_parser.c drm/i915/gvt: return error on cmd access 2018-08-14 15:26:39 +08:00
cmd_parser.h
debug.h
debugfs.c drm/i915/gvt: scan non-privileged batch buffer for debug purpose 2018-04-23 13:09:34 +08:00
display.c BackMerge v4.18-rc7 into drm-next 2018-07-30 10:39:22 +10:00
display.h drm/i915/gvt: Fix the validation on size field of dp aux header 2018-04-12 11:29:01 +08:00
dmabuf.c drm/i915/gvt: Enable dma_buf support for BXT. 2018-06-13 10:57:29 +08:00
dmabuf.h
edid.c drm/i915/gvt: Enable virtual display support for BXT. 2018-06-13 10:57:29 +08:00
edid.h
execlist.c drm/i915/gvt: refine intel_vgpu_submission_ops as per engine ops 2018-02-06 11:40:59 -08:00
execlist.h drm/i915/gvt: use array to avoid potential buffer overflow 2018-06-11 15:04:45 +08:00
fb_decoder.c drm/i915/gvt: Enable dma_buf support for BXT. 2018-06-13 10:57:29 +08:00
fb_decoder.h
firmware.c drm/i915/gvt: Use offsetofend() rather than offsetof + sizeof 2018-05-17 22:05:10 +08:00
gtt.c BackMerge v4.18-rc7 into drm-next 2018-07-30 10:39:22 +10:00
gtt.h BackMerge v4.18-rc7 into drm-next 2018-07-30 10:39:22 +10:00
gvt.c drm/i915/gvt: fix cleanup sequence in intel_gvt_clean_device 2018-08-14 15:25:32 +08:00
gvt.h drm/i915/gvt: free workload in vgpu release 2018-08-13 12:32:57 +08:00
handlers.c drm/i915/gvt: emulate gen9 dbuf ctl register access 2018-08-30 12:54:08 +08:00
hypercall.h drm/i915/kvmgt: Support setting dma map for huge pages 2018-07-09 10:34:28 +08:00
interrupt.c drm/i915/gvt: Enable irq initialization for BXT. 2018-06-13 10:57:29 +08:00
interrupt.h
kvmgt.c drm/i915/gvt: fix memory leak in intel_vgpu_ioctl() 2018-08-14 15:27:12 +08:00
Makefile drm/i915/gvt: Provide generic page_track infrastructure for write-protected page 2018-03-06 13:19:20 +08:00
mmio_context.c BackMerge v4.18-rc7 into drm-next 2018-07-30 10:39:22 +10:00
mmio_context.h drm/i915: Store a pointer to intel_context in i915_request 2018-05-18 09:35:22 +01:00
mmio.c Chris is doing many reworks that allow us to get full-ppgtt supported 2018-06-28 13:10:44 +10:00
mmio.h BackMerge v4.18-rc7 into drm-next 2018-07-30 10:39:22 +10:00
mpt.h drm/i915/kvmgt: Support setting dma map for huge pages 2018-07-09 10:34:28 +08:00
opregion.c drm/i915/gvt: Use KVM r/w to access guest opregion 2018-02-06 11:41:34 -08:00
page_track.c drm/i915/gvt: Use vgpu_lock to protect per vgpu access 2018-05-18 12:39:02 +08:00
page_track.h drm/i915/gvt: Provide generic page_track infrastructure for write-protected page 2018-03-06 13:19:20 +08:00
reg.h
sched_policy.c drm/i915/gvt: Use sched_lock to protect gvt scheduler logic. 2018-05-18 12:39:26 +08:00
sched_policy.h
scheduler.c drm/i915/gvt: free workload in vgpu release 2018-08-13 12:32:57 +08:00
scheduler.h drm/i915/gvt: free workload in vgpu release 2018-08-13 12:32:57 +08:00
trace_points.c
trace.h drm/i915/gvt: scan non-privileged batch buffer for debug purpose 2018-04-23 13:09:34 +08:00
vgpu.c drm/i915/gvt: initialize dmabuf mutex in vgpu_create 2018-08-14 15:26:09 +08:00