Chris Wilson 4f4631af8f drm/i915/byt: Take powerwell for reading PIPESTAT in debugfs ... [12493.693827] WARNING: CPU: 1 PID: 14860 at drivers/gpu/drm/i915/intel_uncore.c:795 __unclaimed_reg_debug+0x5d/0x80 [i915] [12493.693868] Unclaimed read from register 0x1f0024 [12493.693905] Modules linked in: vgem i915 drm_kms_helper drm intel_gtt i2c_algo_bit syscopyarea sysfillrect sysimgblt fb_sys_fops prime_numbers intel_powerclamp crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel cryptd lpc_ich i2c_i801 mfd_core video i2c_designware_platform i2c_designware_core i2c_core button autofs4 sd_mod ahci libahci libata scsi_mod [last unloaded: i915] [12493.694039] CPU: 1 PID: 14860 Comm: intel-gpu-overl Tainted: G U 4.10.0-rc7+ #11 [12493.694079] Hardware name: GIGABYTE GB-BXBT-1900/MZBAYAB-00, BIOS F8 03/02/2016 [12493.694121] Call Trace: [12493.694169] dump_stack+0x67/0x9d [12493.694235] __warn+0x117/0x140 [12493.694288] warn_slowpath_fmt+0x4f/0x60 [12493.694344] ? do_raw_spin_lock+0x116/0x180 [12493.694533] ? check_for_unclaimed_mmio+0x98/0xe0 [i915] [12493.694727] __unclaimed_reg_debug+0x5d/0x80 [i915] [12493.694923] fwtable_read32+0x2c5/0x330 [i915] [12493.695108] i915_interrupt_info+0xd52/0xf80 [i915] [12493.695302] ? gen6_write16+0x310/0x310 [i915] [12493.695357] seq_read+0x187/0x710 [12493.695412] full_proxy_read+0x75/0xc0 [12493.695472] __vfs_read+0x5a/0x220 [12493.695524] ? kmem_cache_free+0x6c/0x260 [12493.695577] ? putname+0x97/0xa0 [12493.695629] ? putname+0x97/0xa0 [12493.695682] ? rcu_read_lock_sched_held+0xb8/0xd0 [12493.695735] ? rw_verify_area+0x65/0x140 [12493.695787] vfs_read+0xd1/0x1f0 [12493.695840] SyS_read+0x62/0xc0 [12493.695893] entry_SYSCALL_64_fastpath+0x1c/0xb1 [12493.695943] RIP: 0033:0x7f82dca99ba0 [12493.695985] RSP: 002b:00007ffc0bdfd4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [12493.696031] RAX: ffffffffffffffda RBX: 00007ffc0be005a0 RCX: 00007f82dca99ba0 [12493.696073] RDX: 0000000000001fff RSI: 00007ffc0bdfd500 RDI: 000000000000001a [12493.696115] RBP: ffffffff810fb639 R08: 302f6972642f6775 R09: 00007f82dca0999a [12493.696157] R10: 00007f82dcd62760 R11: 0000000000000246 R12: ffff880069a17f98 [12493.696199] R13: 00007ffc0bdfd428 R14: 0000000000000003 R15: 00007ffc0bdfd428 [12493.696250] ? trace_hardirqs_off_caller+0xd9/0x130 [12493.696300] ---[ end trace 52ccf4d39793cc59 ]--- Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99761 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/20170210133632.16946-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>		2017-02-10 14:00:13 +00:00
..
amd	Merge branch 'drm-next-4.11' of git://people.freedesktop.org/~agd5f/linux into drm-next	2017-02-01 08:39:35 +10:00
arc	drm: bridge: Link encoder and bridge in core code	2016-12-18 16:31:45 +05:30
arm	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
armada	drm: add more MMU dependencies	2017-01-11 17:24:58 +01:00
ast	drm/ttm: revert "implement LRU add callbacks v2"	2017-01-27 12:20:34 -05:00
atmel-hlcdc	Contains a single patch to create the fbdev at driver's registration	2017-02-01 08:30:19 +10:00
bochs	drm/ttm: revert "implement LRU add callbacks v2"	2017-01-27 12:20:34 -05:00
bridge	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
cirrus	drm/ttm: revert "implement LRU add callbacks v2"	2017-01-27 12:20:34 -05:00
etnaviv	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
exynos	Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next	2017-02-01 08:43:42 +10:00
fsl-dcu	drm: Change the return type of the unload hook to void	2017-01-09 11:25:22 +01:00
gma500	drm/gma500: Nuke device_is_agp callback	2017-01-25 16:33:26 +01:00
hisilicon	Merge branch 'drm-next-4.11' of git://people.freedesktop.org/~agd5f/linux into drm-next	2017-02-01 08:39:35 +10:00
i2c	drm/i2c: tda998x: fix spelling mistake	2016-11-18 00:00:40 +00:00
i810	drm/i810: drop device_is_agp callback	2017-01-26 10:44:43 +01:00
i915	drm/i915/byt: Take powerwell for reading PIPESTAT in debugfs	2017-02-10 14:00:13 +00:00
imx	drm: bridge: dw-hdmi: Move IRQ and IO resource allocation to common code	2017-01-18 09:29:32 +05:30
lib	drm: Add a simple generator of random permutations	2016-12-27 12:34:00 +01:00
mediatek	drm: mediatek: use crtc helper drm_crtc_from_index()	2017-01-18 09:21:06 -05:00
meson	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next	2017-01-27 11:00:42 +10:00
mga	drm/mga: remove device_is_agp callback	2017-01-26 10:45:03 +01:00
mgag200	drm/ttm: revert "implement LRU add callbacks v2"	2017-01-27 12:20:34 -05:00
msm	Merge tag 'drm-misc-next-2017-01-23' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-01-27 12:10:24 +10:00
mxsfb	drm: Nuke fb->pixel_format	2016-12-15 14:55:34 +02:00
nouveau	Merge branch 'drm-next-4.11' of git://people.freedesktop.org/~agd5f/linux into drm-next	2017-02-01 08:39:35 +10:00
omapdrm	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
panel	drm/panel: simple: Add support for AUO G185HAN01	2016-12-06 17:06:32 +01:00
qxl	drm/ttm: revert "implement LRU add callbacks v2"	2017-01-27 12:20:34 -05:00
r128
radeon	Merge branch 'drm-next-4.11' of git://people.freedesktop.org/~agd5f/linux into drm-next	2017-02-01 08:39:35 +10:00
rcar-du	drm: bridge: Link encoder and bridge in core code	2016-12-18 16:31:45 +05:30
rockchip	drm: bridge: dw-hdmi: Move IRQ and IO resource allocation to common code	2017-01-18 09:29:32 +05:30
savage	drm: Change the return type of the unload hook to void	2017-01-09 11:25:22 +01:00
selftests	drm: Fix error handling in drm_mm eviction kselftest	2017-01-11 08:53:34 +01:00
shmobile	drm: Change the return type of the unload hook to void	2017-01-09 11:25:22 +01:00
sis	drm: Change the return type of the unload hook to void	2017-01-09 11:25:22 +01:00
sti	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
sun4i	Allwinner DRM changes for 4.11	2017-02-01 08:43:19 +10:00
tdfx
tegra	drm/tegra: Remove tegra_debugfs_cleanup()	2017-01-27 15:27:26 +01:00
tilcdc	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
ttm	Merge branch 'drm-next-4.11' of git://people.freedesktop.org/~agd5f/linux into drm-next	2017-02-01 08:39:35 +10:00
udl	Merge tag 'drm-misc-next-2017-01-09' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-01-10 08:06:56 +10:00
vc4	drm/vc4: Remove vc4_debugfs_cleanup()	2017-01-30 09:48:48 +01:00
vgem	drm/vgem: Switch to reservation_object_lock() helpers	2017-01-24 11:00:23 +01:00
via	drm: Change the return type of the unload hook to void	2017-01-09 11:25:22 +01:00
virtio	drm/ttm: revert "implement LRU add callbacks v2"	2017-01-27 12:20:34 -05:00
vmwgfx	Merge branch 'drm-vmwgfx-next' of git://people.freedesktop.org/~syeh/repos_linux into drm-next	2017-02-01 08:40:13 +10:00
zte	ZTE DRM driver updates for 4.11:	2017-02-01 08:29:04 +10:00
ati_pcigart.c
drm_agpsupport.c	drm/i810: drop device_is_agp callback	2017-01-26 10:44:43 +01:00
drm_atomic_helper.c	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
drm_atomic.c	drm/atomic: Remove drm_atomic_debugfs_cleanup()	2017-01-27 09:02:03 +01:00
drm_auth.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_blend.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_bridge.c	drm/bridge: Use recommened kerneldoc for struct member refs	2017-01-02 09:17:26 +01:00
drm_bufs.c
drm_cache.c	drm: Update drm_cache.c to pull in the new drm_cache.h	2017-01-24 11:00:22 +01:00
drm_color_mgmt.c	Revert "drm/color: un-inline drm_color_lut_extract()"	2017-01-27 16:15:06 +02:00
drm_connector.c	drm/doc: Clarify connector overview	2017-01-26 10:44:33 +01:00
drm_context.c
drm_crtc_helper_internal.h
drm_crtc_helper.c	drm/kms-helpers: Use recommened kerneldoc for struct member refs	2017-01-25 16:18:57 +01:00
drm_crtc_internal.h	drm/atomic: Remove drm_atomic_debugfs_cleanup()	2017-01-27 09:02:03 +01:00
drm_crtc.c	drm: s/drm_crtc_get_hv_timings/drm_mode_get_hv_timings/	2017-01-26 10:46:28 +01:00
drm_debugfs_crc.c	drm: crc: Call wake_up_interruptible() each time there is a new CRC entry	2017-01-06 15:23:19 +01:00
drm_debugfs.c	drm/atomic: Remove drm_atomic_debugfs_cleanup()	2017-01-27 09:02:03 +01:00
drm_dma.c
drm_dp_aux_dev.c
drm_dp_dual_mode_helper.c
drm_dp_helper.c	drm/kms-helpers: Use recommened kerneldoc for struct member refs	2017-01-25 16:18:57 +01:00
drm_dp_mst_topology.c	drm/dp: Store drm_device in MST topology manager	2017-01-25 06:01:48 +01:00
drm_drv.c	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
drm_dumb_buffers.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_edid_load.c
drm_edid.c	drm/edid: Set YQ bits in the AVI infoframe according to CEA-861-F	2017-01-26 18:37:13 +02:00
drm_encoder_slave.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_encoder.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_fb_cma_helper.c	drm/fb-cma-helper: Add drm_fbdev_cma_set_suspend_unlocked()	2017-01-24 11:00:22 +01:00
drm_fb_helper.c	drm/kms-helpers: Use recommened kerneldoc for struct member refs	2017-01-25 16:18:57 +01:00
drm_flip_work.c
drm_fops.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_fourcc.c
drm_framebuffer.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_gem_cma_helper.c	drm: allow to use mmuless SoC	2017-01-06 11:04:54 +01:00
drm_gem.c	drm/gem|prime|mm: Use recommened kerneldoc for struct member refs	2017-01-25 16:20:21 +01:00
drm_global.c	drm: Update TTM initialization documentation	2016-12-30 12:52:10 +01:00
drm_hashtab.c
drm_info.c
drm_internal.h	drm: remove device_is_agp callback	2017-01-26 10:45:14 +01:00
drm_ioc32.c
drm_ioctl.c	drm: Export drm_ioctl_permit to kernel-doc	2016-12-30 12:40:48 +01:00
drm_irq.c	drm: Nuke ums vgaarb support	2017-01-26 10:45:31 +01:00
drm_kms_helper_common.c
drm_legacy.h	drm: compile drm_vm.c only when needed	2017-01-06 11:03:07 +01:00
drm_lock.c	drm: Avoid NULL dereference for DRM_LEGACY debug message	2016-11-28 08:39:41 +01:00
drm_memory.c
drm_mipi_dsi.c
drm_mm.c	drm/gem|prime|mm: Use recommened kerneldoc for struct member refs	2017-01-25 16:20:21 +01:00
drm_mode_config.c	drm: Show leaked connectors upon unload	2017-01-23 09:26:22 +01:00
drm_mode_object.c	drm: Get atomic property value even if DRIVER_ATOMIC is not set	2016-12-27 10:44:33 +01:00
drm_modes.c	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
drm_modeset_helper.c	drm: Convert all helpers to drm_connector_list_iter	2016-12-18 14:33:22 +01:00
drm_modeset_lock.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_of.c	drm: Don't include <drm/drm_encoder.h> in <drm/drm_crtc.h>	2016-12-18 16:29:29 +05:30
drm_panel.c
drm_pci.c	drm: remove device_is_agp callback	2017-01-26 10:45:14 +01:00
drm_plane_helper.c	drm/kms-helpers: Use recommened kerneldoc for struct member refs	2017-01-25 16:18:57 +01:00
drm_plane.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_platform.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_prime.c	drm/prime: Clarify DMA-BUF/GEM Object lifetime	2017-01-27 15:00:26 +01:00
drm_print.c	drm/printer: add debug printer	2016-12-30 11:43:40 +01:00
drm_probe_helper.c	Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next	2017-02-01 08:31:09 +10:00
drm_property.c	drm/kms-core: Use recommened kerneldoc for struct member refs	2017-01-25 16:30:34 +01:00
drm_rect.c	drm/rect: Fix formatting of example code	2016-12-30 13:35:54 +01:00
drm_scatter.c
drm_simple_kms_helper.c	drm/doc: use preferred struct reference in kernel-doc	2016-12-30 13:34:59 +01:00
drm_sysfs.c	drm/core: Use recommened kerneldoc for struct member refs	2017-01-25 16:22:42 +01:00
drm_trace_points.c
drm_trace.h
drm_vm.c	mm: use vmf->address instead of of vmf->virtual_address	2016-12-14 16:04:09 -08:00
drm_vma_manager.c
Kconfig	drm: fix MMU dependencies	2017-01-12 10:54:52 +01:00
Makefile	drm: compile drm_vm.c only when needed	2017-01-06 11:03:07 +01:00