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1a2466fe13
linux_dsm_epyc7002/drivers/gpu/drm
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Chris Wilson 1a2466fe13 drm/i915/display: Defer application of initial chv_phy_control 
To write to the DISPLAY_PHY_CONTROL requires holding the powerwells,
which during early resume we have not yet acquired until later in
intel_display_power_init_hw(). So compute the initial chv_phy_control,
but leave the HW unset until we first acquire the powerwell.

<7> [120.055984] i915 0000:00:02.0: [drm:intel_power_domains_init_hw [i915]] rawclk rate: 200000 kHz
<4> [120.056381] ------------[ cut here ]------------
<4> [120.056621] i915 0000:00:02.0: Unclaimed write to register 0x1e0100
<4> [120.056924] WARNING: CPU: 1 PID: 164 at drivers/gpu/drm/i915/intel_uncore.c:1166 __unclaimed_reg_debug+0x69/0x80 [i915]
<4> [120.056935] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl btbcm btintel i915 bluetooth coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel snd_intel_dspcfg snd_hda_codec ghash_clmulni_intel snd_hwdep ecdh_generic ecc snd_hda_core r8169 snd_pcm lpc_ich realtek pinctrl_cherryview i2c_designware_pci prime_numbers
<4> [120.057027] CPU: 1 PID: 164 Comm: kworker/u4:3 Tainted: G     U            5.5.0-CI-CI_DRM_7854+ #1
<4> [120.057038] Hardware name:  /NUC5CPYB, BIOS PYBSWCEL.86A.0055.2016.0812.1130 08/12/2016
<4> [120.057058] Workqueue: events_unbound async_run_entry_fn
<4> [120.057275] RIP: 0010:__unclaimed_reg_debug+0x69/0x80 [i915]
<4> [120.057289] Code: 48 8b 78 18 48 8b 5f 50 48 85 db 74 2d e8 1f a0 3f e1 45 89 e8 48 89 e9 48 89 da 48 89 c6 48 c7 c7 00 8c 48 a0 e8 67 82 df e0 <0f> 0b 83 2d ce e2 2b 00 01 5b 5d 41 5c 41 5d c3 48 8b 1f eb ce 66
<4> [120.057301] RSP: 0018:ffffc90000bcfd08 EFLAGS: 00010082
<4> [120.057315] RAX: 0000000000000000 RBX: ffff888079919b60 RCX: 0000000000000003
<4> [120.057326] RDX: 0000000080000003 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [120.057336] RBP: ffffffffa04c9f4e R08: 0000000000000000 R09: 0000000000000001
<4> [120.057348] R10: 0000000025c3d560 R11: 000000006815f798 R12: 0000000000000000
<4> [120.057359] R13: 00000000001e0100 R14: 0000000000000286 R15: ffffffff8234a76b
<4> [120.057371] FS:  0000000000000000(0000) GS:ffff888074b00000(0000) knlGS:0000000000000000
<4> [120.057382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [120.057393] CR2: 000055f4197df0d8 CR3: 000000006f326000 CR4: 00000000001006e0
<4> [120.057404] Call Trace:
<4> [120.057635]  fwtable_write32+0x114/0x1d0 [i915]
<4> [120.057892]  intel_power_domains_init_hw+0x4ff/0x650 [i915]
<4> [120.058150]  intel_power_domains_resume+0x3d/0x70 [i915]
<4> [120.058363]  i915_drm_resume_early+0x97/0xd0 [i915]
<4> [120.058575]  ? i915_resume_switcheroo+0x30/0x30 [i915]
<4> [120.058594]  dpm_run_callback+0x64/0x280
<4> [120.058626]  device_resume_early+0xa7/0xe0
<4> [120.058652]  async_resume_early+0x14/0x40

v2: Write our expected value of DISPLAY_PHY_CONTROL during sync_hw, so
that it should always match the driver state after resume.

Closes: https://gitlab.freedesktop.org/drm/intel/issues/1089
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200203145016.216692-1-chris@chris-wilson.co.uk
2020-02-04 09:38:11 +00:00
..
amd drm/amdgpu/display: use msleep rather than udelay for HDCP 2019-12-19 09:04:13 +10:00
arc DRM: ARC: PGU: add ARGB8888 format to supported format list 2019-12-16 13:53:05 +03:00
arm drm-misc-next for v5.6: 2020-01-03 11:43:44 +10:00
armada drm: constify fb ops across all drivers 2019-12-05 10:57:42 +02:00
aspeed drm/aspeed: gfc_crtc: Make structure aspeed_gfx_funcs constant 2019-08-14 19:27:26 +02:00
ast drm/vram-helper: Remove BO device from public interface 2020-01-07 11:53:19 +01:00
atmel-hlcdc Revert "drm: atmel-hlcdc: enable sys_clk during initalization." 2020-01-06 19:54:27 +01:00
bochs drm/bochs: Remove unneeded semicolon 2019-12-16 12:39:50 +01:00
bridge drm/bridge: Patch atomic hooks to take a drm_bridge_state 2020-01-07 10:10:59 +01:00
cirrus drm/simple-kms: Standardize arguments for callbacks 2019-10-24 13:55:56 +02:00
etnaviv drm-misc-next for v5.6: 2020-01-03 11:43:44 +10:00
exynos drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
fsl-dcu drm/panel: decouple connector from drm_panel 2019-12-09 22:57:26 +01:00
gma500 drm/gma500: fix null dereference of pointer fb before null check 2019-12-19 15:33:40 +01:00
hisilicon drm/vram-helper: Remove BO device from public interface 2020-01-07 11:53:19 +01:00
i2c drm: tda998x: use cec_notifier_conn_(un)register 2019-10-21 14:23:25 +02:00
i810 drm/i810: Don't include <drm/drm_pci.h> 2019-12-05 08:44:12 +01:00
i915 drm/i915/display: Defer application of initial chv_phy_control 2020-02-04 09:38:11 +00:00
imx drm/panel: decouple connector from drm_panel 2019-12-09 22:57:26 +01:00
ingenic gpu/drm: ingenic: Add support for the JZ4770 2019-12-14 19:26:55 +01:00
lib
lima drm/lima: Fix Kconfig indentation 2019-11-20 17:40:32 +01:00
mcde drm-misc-next for v5.6: 2020-01-03 11:43:44 +10:00
mediatek drm-misc-next for v5.6: 2020-01-03 11:43:44 +10:00
meson drm: meson: Remove unneeded semicolon 2020-01-06 15:56:23 +01:00
mga drm/mga: Don't include <drm/drm_pci.h> 2019-12-05 08:44:16 +01:00
mgag200 drm/mgag200: Add module parameter to pin all buffers at offset 0 2020-01-07 11:53:19 +01:00
msm drm-misc-next for v5.6: 2020-01-03 11:43:44 +10:00
mxsfb drm/panel: decouple connector from drm_panel 2019-12-09 22:57:26 +01:00
nouveau drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
omapdrm drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
panel drm/panel: add panel driver for Leadtek LTK500HD1829 2020-01-04 16:46:01 +01:00
panfrost drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
pl111 drm: get drm_bridge_panel connector via helper 2019-12-09 22:57:26 +01:00
qxl drm/qxl: Complete exception handling in qxl_device_init() 2019-11-29 13:09:11 +01:00
r128 drm/r128: Don't include <drm/drm_pci.h> 2019-12-05 08:44:23 +01:00
radeon Merge tag 'drm-next-5.6-2019-12-11' of git://people.freedesktop.org/~agd5f/linux into drm-next 2019-12-17 18:47:46 +01:00
rcar-du drm/bridge: Patch atomic hooks to take a drm_bridge_state 2020-01-07 10:10:59 +01:00
rockchip drm: rockchip: rk3066_hdmi: set edid fifo address 2020-01-06 12:22:29 +01:00
savage drm/savage: Don't include <drm/drm_pci.h> 2019-12-05 08:44:34 +01:00
scheduler drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
selftests drm/modes: parse_cmdline: Add support for specifying panel_orientation (v2) 2019-12-16 12:13:18 +01:00
shmobile
sis drm/sis: Don't include <drm/drm_pci.h> 2019-12-05 08:44:55 +01:00
sti drm/panel: decouple connector from drm_panel 2019-12-09 22:57:26 +01:00
stm drm/stm: ltdc: move pinctrl to encoder mode set 2019-12-20 13:30:42 +01:00
sun4i drm-misc-next for v5.6: 2020-01-03 11:43:44 +10:00
tdfx drm/tdfx: Don't include <drm/drm_pci.h> 2019-12-05 08:45:01 +01:00
tegra drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
tilcdc drm/tilcdc: Remove obsolete bundled tilcdc tfp410 driver 2019-12-16 10:45:43 +02:00
tiny Merge tag 'topic/drm-mipi-dsi-dsc-updates-2019-11-11' of git://anongit.freedesktop.org/drm/drm-intel into drm-intel-next-queued 2019-11-20 15:54:38 +02:00
ttm drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
tve200 drm: get drm_bridge_panel connector via helper 2019-12-09 22:57:26 +01:00
udl drm/udl: Remove udl_fb.c 2019-12-11 17:02:17 +01:00
v3d Linux 5.4-rc7 2019-11-14 05:53:10 +10:00
vboxvideo drm/vboxvideo: Use drm_gem_fb_create_with_dirty instead of drm_gem_fb_create 2019-10-29 13:10:07 +01:00
vc4 drm/vc4: Use dma_resv locking wrappers 2019-12-17 17:26:08 +01:00
vgem
via drm/via: Don't include <drm/drm_pci.h> 2019-12-05 08:45:13 +01:00
virtio drm/virtio: move drm_connector_to_virtio_gpu_output to virtgpu_display 2019-12-19 07:13:46 +01:00
vkms drm/vkms: Fix typo and preposion in function documentation 2019-12-05 18:55:55 -05:00
vmwgfx drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
xen drm/xen: Simplify fb_create 2019-11-19 22:25:55 +01:00
zte
drm_agpsupport.c drm: use DIV_ROUND_UP helper macro for calculations 2019-11-04 18:17:36 +01:00
drm_atomic_helper.c drm/bridge: Add an ->atomic_check() hook 2020-01-07 10:11:15 +01:00
drm_atomic_state_helper.c drm: Add __drm_atomic_helper_crtc_state_reset() & co. 2019-12-18 16:47:34 +02:00
drm_atomic_uapi.c drm/atomic: Spell CRTC consistently 2019-12-22 11:13:00 +01:00
drm_atomic.c drm/bridge: Add a drm_bridge_state object 2020-01-07 10:10:49 +01:00
drm_auth.c
drm_blend.c drm: two planes with the same zpos have undefined ordering 2019-10-09 20:04:55 +02:00
drm_bridge.c drm/bridge: Add the necessary bits to support bus format negotiation 2020-01-07 10:11:34 +01:00
drm_bufs.c
drm_cache.c drm/gpu: Fix Memory barrier without comment Issue 2019-10-25 09:35:06 +02:00
drm_client_modeset.c drm/fbdev: Fallback to non tiled mode if all tiles not present 2019-12-29 23:55:23 -08:00
drm_client.c drm/client: convert to drm device based logging 2019-12-19 15:52:44 +02:00
drm_color_mgmt.c drm: Inline drm_color_lut_extract() 2019-11-29 21:29:17 +02:00
drm_connector.c drm main pull for 5.5-rc1 2019-11-27 17:45:48 -08:00
drm_context.c
drm_crtc_helper_internal.h drm/connector: Share with non-atomic drivers the function to get the single encoder 2019-09-16 15:13:02 -07:00
drm_crtc_helper.c drm/crtc-helper: drm_connector_get_single_encoder prototype is missing 2019-12-03 17:42:57 +01:00
drm_crtc_internal.h
drm_crtc.c
drm_damage_helper.c drm: damage_helper: Fix race checking plane->state->fb 2019-10-08 09:41:06 -04:00
drm_debugfs_crc.c drm: Fix return type of crc .poll() 2019-09-30 20:17:31 +03:00
drm_debugfs.c
drm_dma.c
drm_dp_aux_dev.c
drm_dp_cec.c drm_dp_cec: drop use of drmP.h 2019-10-08 18:29:00 +02:00
drm_dp_dual_mode_helper.c
drm_dp_helper.c drm/tegra: Move drm_dp_link helpers to Tegra DRM 2019-10-23 18:22:10 +02:00
drm_dp_mst_topology_internal.h drm/dp_mst: Add sideband down request tracing + selftests 2019-09-03 19:30:06 -04:00
drm_dp_mst_topology.c drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
drm_drv.c drm: remove duplicate check on parent and avoid BUG_ON 2019-12-17 17:26:08 +01:00
drm_dsc.c drm/dsc: Fix bogus cpu_to_be16() usage 2019-09-30 20:15:53 +03:00
drm_dumb_buffers.c
drm_edid_load.c drm/print: add drm_debug_enabled() 2019-10-02 16:28:55 +03:00
drm_edid.c drm: Fix a couple of typos, punctation and whitespace issues 2019-12-22 11:09:46 +01:00
drm_encoder_slave.c
drm_encoder.c drm/bridge: Make the bridge chain a double-linked list 2019-12-09 10:03:01 +01:00
drm_fb_cma_helper.c
drm_fb_helper.c Merge drm/drm-next into drm-intel-next-queued 2020-01-09 17:19:12 +02:00
drm_file.c i915 features for v5.6: 2019-12-27 15:25:04 +10:00
drm_flip_work.c
drm_format_helper.c
drm_fourcc.c drm/fourcc: Fill out all block sizes for P210 2019-11-28 11:19:32 +01:00
drm_framebuffer.c
drm_gem_cma_helper.c
drm_gem_framebuffer_helper.c drm/gem-fb-helper: convert to drm device based logging 2019-12-19 15:55:10 +02:00
drm_gem_shmem_helper.c drm: call drm_gem_object_funcs.mmap with fake offset 2019-12-06 11:18:11 +01:00
drm_gem_ttm_helper.c drm/ttm: fix mmap refcounting 2019-11-15 08:00:08 +01:00
drm_gem_vram_helper.c drm/vram-helper: Support struct drm_driver.gem_create_object 2020-01-07 11:53:19 +01:00
drm_gem.c drm-misc-next for v5.6: 2019-12-17 13:57:54 +01:00
drm_hashtab.c
drm_hdcp.c
drm_internal.h drm/pci: Only build drm_pci.c if CONFIG_PCI is set 2019-12-05 08:43:14 +01:00
drm_ioc32.c
drm_ioctl.c drm: drop DRM_AUTH from PRIME_TO/FROM_HANDLE ioctls 2019-12-02 16:52:15 +00:00
drm_irq.c
drm_kms_helper_common.c drm: fix module name in edid_firmware log message 2019-08-22 10:41:06 +03:00
drm_lease.c
drm_legacy_misc.c
drm_legacy.h
drm_lock.c
drm_memory.c drm: Include prototype for drm_need_swiotlb() 2019-09-30 20:16:28 +03:00
drm_mipi_dbi.c drm/mipi_dbi: Fix off-by-one bugs in mipi_dbi_blank() 2020-01-02 15:35:56 +01:00
drm_mipi_dsi.c drm/dsi: add helpers for DSI compression mode and PPS packets 2019-11-07 15:00:16 +02:00
drm_mm.c drm/mm: Use clear_bit_unlock() for releasing the drm_mm_node() 2019-10-04 13:43:43 +01:00
drm_mode_config.c drm/modeset: Prime modeset lock vs dma_resv 2019-11-21 11:03:31 +01:00
drm_mode_object.c drm/property: Enforce more lifetime rules 2019-11-04 18:17:36 +01:00
drm_modes.c drm/modes: parse_cmdline: Explicitly memset the passed in drm_cmdline_mode struct 2019-12-16 12:13:18 +01:00
drm_modeset_helper.c
drm_modeset_lock.c
drm_of.c drm: of: Add drm_of_lvds_get_dual_link_pixel_order 2019-12-18 02:40:16 +02:00
drm_panel_orientation_quirks.c
drm_panel.c drm/drm_panel: Fix EXPORT of drm_panel_of_backlight() one more time 2019-12-17 20:39:33 +01:00
drm_pci.c drm/pci: Hide legacy PCI functions from non-legacy code 2019-12-05 08:44:04 +01:00
drm_plane_helper.c
drm_plane.c
drm_prime.c drm: share address space for dma bufs 2019-12-06 11:18:11 +01:00
drm_print.c drm/print: convert debug category macros into an enum 2019-11-14 14:08:57 +02:00
drm_probe_helper.c drm: Stop accessing encoder->bridge directly 2019-12-09 10:02:45 +01:00
drm_property.c drm: limit to INT_MAX in create_blob ioctl 2019-12-04 19:44:13 -08:00
drm_rect.c drm/rect: update kerneldoc for drm_rect_clip_scaled() 2019-11-28 13:15:43 +01:00
drm_scatter.c
drm_scdc_helper.c
drm_self_refresh_helper.c drm/atomic: fix self-refresh helpers crtc state dereference 2019-11-06 13:00:21 -05:00
drm_simple_kms_helper.c drm/simple-kms: Standardize arguments for callbacks 2019-10-24 13:55:56 +02:00
drm_syncobj.c drm/syncobj: extend syncobj query ability v3 2019-10-18 12:24:56 +02:00
drm_sysfs.c
drm_trace_points.c
drm_trace.h drm: Add high-precision time to vblank trace event 2019-09-03 09:46:18 +02:00
drm_vblank.c drm/drm_vblank: Change EINVAL by the correct errno 2019-10-08 18:43:26 -04:00
drm_vm.c
drm_vma_manager.c
drm_vram_helper_common.c drm/vram: Have VRAM MM call GEM VRAM functions directly 2019-09-12 19:54:42 +02:00
drm_writeback.c drm: Clear the fence pointer when writeback job signaled 2019-09-23 15:32:53 +08:00
Kconfig i915 features for v5.6: 2019-12-27 15:25:04 +10:00
Makefile drm/pci: Only build drm_pci.c if CONFIG_PCI is set 2019-12-05 08:43:14 +01:00