Huacai Chen 366e77cd49 drm/amd/display: Protect FPU in dml2_validate()/dml21_validate() ... Commit 7da55c27e7 ("drm/amd/display: Remove incorrect FP context start") removes the FP context protection of dml2_create(), and it said "All the DC_FP_START/END should be used before call anything from DML2". However, dml2_validate()/dml21_validate() are not protected from their callers, causing such errors: do_fpu invoked from kernel context![#1]: CPU: 10 UID: 0 PID: 331 Comm: kworker/10:1H Not tainted 6.14.0-rc6+ #4 Workqueue: events_highpri dm_irq_work_func [amdgpu] pc ffff800003191eb0 ra ffff800003191e60 tp 9000000107a94000 sp 9000000107a975b0 a0 9000000140ce4910 a1 0000000000000000 a2 9000000140ce49b0 a3 9000000140ce49a8 a4 9000000140ce49a8 a5 0000000100000000 a6 0000000000000001 a7 9000000107a97660 t0 ffff800003790000 t1 9000000140ce5000 t2 0000000000000001 t3 0000000000000000 t4 0000000000000004 t5 0000000000000000 t6 0000000000000000 t7 0000000000000000 t8 0000000100000000 u0 ffff8000031a3b9c s9 9000000130bc0000 s0 9000000132400000 s1 9000000140ec0000 s2 9000000132400000 s3 9000000140ce0000 s4 90000000057f8b88 s5 9000000140ec0000 s6 9000000140ce4910 s7 0000000000000001 s8 9000000130d45010 ra: ffff800003191e60 dml21_map_dc_state_into_dml_display_cfg+0x40/0x1140 [amdgpu] ERA: ffff800003191eb0 dml21_map_dc_state_into_dml_display_cfg+0x90/0x1140 [amdgpu] CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE) PRMD: 00000004 (PPLV0 +PIE -PWE) EUEN: 00000000 (-FPE -SXE -ASXE -BTE) ECFG: 00071c1d (LIE=0,2-4,10-12 VS=7) ESTAT: 000f0000 [FPD] (IS= ECode=15 EsubCode=0) PRID: 0014d010 (Loongson-64bit, Loongson-3C6000/S) Process kworker/10:1H (pid: 331, threadinfo=000000007bf9ddb0, task=00000000cc4ab9f3) Stack : 0000000100000000 0000043800000780 0000000100000001 0000000100000001 0000000000000000 0000078000000000 0000000000000438 0000078000000000 0000000000000438 0000078000000000 0000000000000438 0000000100000000 0000000100000000 0000000100000000 0000000100000000 0000000100000000 0000000000000001 9000000140ec0000 9000000132400000 9000000132400000 ffff800003408000 ffff800003408000 9000000132400000 9000000140ce0000 9000000140ce0000 ffff800003193850 0000000000000001 9000000140ec0000 9000000132400000 9000000140ec0860 9000000140ec0738 0000000000000001 90000001405e8000 9000000130bc0000 9000000140ec02a8 ffff8000031b5db8 0000000000000000 0000043800000780 0000000000000003 ffff8000031b79cc ... Call Trace: [<ffff800003191eb0>] dml21_map_dc_state_into_dml_display_cfg+0x90/0x1140 [amdgpu] [<ffff80000319384c>] dml21_validate+0xcc/0x520 [amdgpu] [<ffff8000031b8948>] dc_validate_global_state+0x2e8/0x460 [amdgpu] [<ffff800002e94034>] create_validate_stream_for_sink+0x3d4/0x420 [amdgpu] [<ffff800002e940e4>] amdgpu_dm_connector_mode_valid+0x64/0x240 [amdgpu] [<900000000441d6b8>] drm_connector_mode_valid+0x38/0x80 [<900000000441d824>] __drm_helper_update_and_validate+0x124/0x3e0 [<900000000441ddc0>] drm_helper_probe_single_connector_modes+0x2e0/0x620 [<90000000044050dc>] drm_client_modeset_probe+0x23c/0x1780 [<9000000004420384>] __drm_fb_helper_initial_config_and_unlock+0x44/0x5a0 [<9000000004403acc>] drm_client_dev_hotplug+0xcc/0x140 [<ffff800002e9ab50>] handle_hpd_irq_helper+0x1b0/0x1e0 [amdgpu] [<90000000038f5da0>] process_one_work+0x160/0x300 [<90000000038f6718>] worker_thread+0x318/0x440 [<9000000003901b8c>] kthread+0x12c/0x220 [<90000000038b1484>] ret_from_kernel_thread+0x8/0xa4 Unfortunately, protecting dml2_validate()/dml21_validate() out of DML2 causes "sleeping function called from invalid context", so protect them with DC_FP_START() and DC_FP_END() inside. Fixes: 7da55c27e7 ("drm/amd/display: Remove incorrect FP context start") Cc: stable@vger.kernel.org Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Tested-by: Dongyan Qian <qiandongyan@loongson.cn> Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>		2025-04-07 14:36:50 -04:00
..
adp	drm: adp: Remove unnecessary print function dev_err()	2025-03-05 08:39:12 -05:00
amd	drm/amd/display: Protect FPU in dml2_validate()/dml21_validate()	2025-04-07 14:36:50 -04:00
arm	Merge drm/drm-next into drm-misc-next	2025-02-18 07:43:43 +01:00
armada	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
aspeed	drm/aspeed: move to devm_platform_ioremap_resource() usage	2025-02-26 15:27:06 +01:00
ast	drm/ast: cursor: Move implementation to separate source file	2025-02-20 08:38:34 +01:00
atmel-hlcdc	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
bridge	drm/bridge: Fix spelling mistake "gettin" -> "getting"	2025-03-03 10:41:29 +01:00
ci	drm/ci: update expectation files	2025-02-05 10:10:51 -03:00
clients	drm/log: select CONFIG_FONT_SUPPORT	2024-12-12 18:26:32 +01:00
display	drm-misc-next for v6.15:	2025-02-28 12:36:01 +10:00
etnaviv	drm/sched: Use struct for drm_sched_init() params	2025-02-12 11:59:52 +01:00
exynos	drm/connector: make mode_valid take a const struct drm_display_mode	2025-01-07 12:45:19 +02:00
fsl-dcu	drm/connector: make mode_valid take a const struct drm_display_mode	2025-01-07 12:45:19 +02:00
gma500	drm/gma500: fix inconsistent indenting warning	2025-03-06 10:29:31 +01:00
gud	drm: remove driver date from struct drm_driver and all drivers	2024-12-05 12:35:42 +02:00
hisilicon	drm/hisilicon/hibmc: select CONFIG_DRM_DISPLAY_DP_HELPER	2025-02-09 03:56:34 +02:00
hyperv	drm: remove driver date from struct drm_driver and all drivers	2024-12-05 12:35:42 +02:00
i915	Merge tag 'drm-intel-gt-next-2025-03-12' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next	2025-03-25 08:21:07 +10:00
imagination	Linux 6.14-rc6	2025-03-12 09:43:12 +10:00
imx	drm/connector: make mode_valid take a const struct drm_display_mode	2025-01-07 12:45:19 +02:00
ingenic	drm/bridge: Pass full state to atomic_disable	2025-02-19 16:59:12 +01:00
kmb	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
lib
lima	drm/sched: Use struct for drm_sched_init() params	2025-02-12 11:59:52 +01:00
logicvc	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
loongson	drm/atomic: Let drivers decide which planes to async flip	2025-02-14 00:54:29 +02:00
mcde	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
mediatek	Mediatek DRM Next for Linux 6.15	2025-03-14 14:28:56 +10:00
meson	drm/bridge: Pass full state to atomic_disable	2025-02-19 16:59:12 +01:00
mgag200	drm/mgag200: Added support for the new device G200eH5	2025-02-11 10:53:53 +01:00
msm	drm/msm/dpu: drop wb2_formats_rgb	2025-03-08 02:16:49 +02:00
mxsfb	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
nouveau	Linux 6.14-rc6	2025-03-12 09:43:12 +10:00
omapdrm	drm/bridge: Pass full state to atomic_disable	2025-02-19 16:59:12 +01:00
panel	drm/panel: fix Visionox RM692E5 dependencies	2025-03-05 19:52:02 +01:00
panfrost	drm/sched: Use struct for drm_sched_init() params	2025-02-12 11:59:52 +01:00
panthor	drm/panthor: Clean up FW version information display	2025-03-05 14:15:04 +00:00
pl111	drm: remove driver date from struct drm_driver and all drivers	2024-12-05 12:35:42 +02:00
qxl	drm/connector: make mode_valid take a const struct drm_display_mode	2025-01-07 12:45:19 +02:00
radeon	drm/radeon/uvd: Replace nested max() with single max3()	2025-03-19 15:51:40 -04:00
renesas	drm/bridge: Pass full state to atomic_disable	2025-02-19 16:59:12 +01:00
rockchip	drm/rockchip: lvds: lower log severity for missing pinctrl settings	2025-03-04 16:59:58 +01:00
scheduler	Linux 6.14-rc6	2025-03-12 09:43:12 +10:00
solomon	drm/ssd130x: ensure ssd132x pitch is correct	2025-01-16 10:48:47 +01:00
sprd	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
sti	drm/connector: make mode_valid take a const struct drm_display_mode	2025-01-07 12:45:19 +02:00
stm	drm/stm: move to devm_platform_ioremap_resource() usage	2025-02-26 15:27:07 +01:00
sun4i	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
tegra	drm/atomic: Let drivers decide which planes to async flip	2025-02-14 00:54:29 +02:00
tests	drm/format-helper: Add conversion from XRGB8888 to BGR888	2025-03-03 16:13:33 +01:00
tidss	drm/tidss: Fix typos	2025-01-24 09:41:01 +02:00
tilcdc	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
tiny	Short summary of fixes pull:	2025-03-24 17:52:28 +10:00
ttm	drm/ttm: Add helpers for shrinking	2025-03-05 17:08:59 +01:00
tve200	drm-misc-next for 6.14:	2024-12-13 08:48:09 +10:00
udl	drm: remove driver date from struct drm_driver and all drivers	2024-12-05 12:35:42 +02:00
v3d	drm/v3d: Add clock handling	2025-02-12 09:55:50 -03:00
vboxvideo	drm/vboxvideo: Remove unused hgsmi_cursor_position	2025-02-28 09:05:10 +01:00
vc4	drm/vc4: hdmi: Fix some NULL vs IS_ERR() bugs	2025-03-03 14:25:14 +01:00
vgem	drm: remove driver date from struct drm_driver and all drivers	2024-12-05 12:35:42 +02:00
virtio	drm/virtio: Add drm_panic support	2025-02-09 20:36:51 +03:00
vkms	Linux 6.14-rc6	2025-03-12 09:43:12 +10:00
vmwgfx	Merge drm/drm-next into drm-misc-next	2025-02-06 13:47:32 +01:00
xe	drm/xe: Use correct type width for alignment in fb pinning code	2025-03-12 20:56:58 -07:00
xen	drm: remove driver date from struct drm_driver and all drivers	2024-12-05 12:35:42 +02:00
xlnx	drm/bridge: Pass full state to atomic_disable	2025-02-19 16:59:12 +01:00
drm_atomic_helper.c	drm/atomic-helper: Add a note in drm_atomic_helper_reset_crtc() kernel-doc	2025-02-21 10:57:21 +01:00
drm_atomic_state_helper.c
drm_atomic_uapi.c	drm/atomic: Let drivers decide which planes to async flip	2025-02-14 00:54:29 +02:00
drm_atomic.c	drm/atomic: add interlaced and ycbcr_420 flags to connector's state dump	2024-10-24 22:42:25 +03:00
drm_auth.c
drm_blend.c
drm_bridge.c	drm/bridge: Change parameter name of drm_atomic_bridge_chain_enable()	2025-02-19 16:59:20 +01:00
drm_buddy.c	drm/buddy: Add a testcase to verify the multiroot fini	2025-01-14 20:43:19 +05:30
drm_cache.c
drm_client_event.c	drm/client: Send pending hotplug events after resume	2025-03-05 21:48:49 +01:00
drm_client_modeset.c	drm/client: Handle tiled displays better	2025-01-21 11:41:05 +01:00
drm_client.c	drm/client: Move client event handlers to drm_client_event.c	2024-10-18 09:23:03 +02:00
drm_color_mgmt.c
drm_connector.c	Linux 6.13	2025-01-23 14:42:21 +01:00
drm_crtc_helper_internal.h	drm/connector: make mode_valid take a const struct drm_display_mode	2025-01-07 12:45:19 +02:00
drm_crtc_helper.c
drm_crtc_internal.h
drm_crtc.c	drm: add clone mode check for CRTC	2025-01-08 01:39:58 +02:00
drm_damage_helper.c	drm/damage-helper: add const qualifier in drm_atomic_helper_damage_merged()	2025-03-03 14:45:40 +02:00
drm_debugfs_crc.c
drm_debugfs.c	drm/debugfs: fix printk format for bridge index	2025-02-17 14:17:53 +01:00
drm_displayid_internal.h
drm_displayid.c
drm_draw_internal.h	drm/panic: Move drawing functions to drm_draw	2024-12-10 14:36:41 +01:00
drm_draw.c	drm/panic: Move drawing functions to drm_draw	2024-12-10 14:36:41 +01:00
drm_drv.c	drm: Introduce device wedged event	2025-02-13 12:15:43 -05:00
drm_dumb_buffers.c
drm_edid_load.c
drm_edid.c	drm/connector: add mutex to protect ELD from concurrent access	2024-12-16 18:02:07 +02:00
drm_eld.c
drm_encoder.c
drm_exec.c
drm_fb_dma_helper.c	drm/fb-dma-helper: Test for imported buffers with drm_gem_is_imported()	2025-03-06 08:59:17 +01:00
drm_fb_helper.c	drm/fb-helper: Remove struct drm_fb_helper.fb_probe	2025-03-05 21:48:50 +01:00
drm_fbdev_dma.c	drm/fbdev-dma: Add shadow buffering for deferred I/O	2025-02-27 09:37:55 +01:00
drm_fbdev_shmem.c
drm_fbdev_ttm.c
drm_file.c	drm/file: Add fdinfo helper for printing regions with prefix	2025-02-07 15:23:36 +01:00
drm_flip_work.c
drm_format_helper.c	drm/format-helper: Add conversion from XRGB8888 to BGR888	2025-03-03 16:13:33 +01:00
drm_fourcc.c
drm_framebuffer.c	- The series "resource: A couple of cleanups" from Andy Shevchenko	2024-11-25 16:09:48 -08:00
drm_gem_atomic_helper.c
drm_gem_dma_helper.c	drm/gem-dma: Use dma_buf from GEM object instance	2025-03-06 08:59:01 +01:00
drm_gem_framebuffer_helper.c	drm/gem-framebuffer: Use dma_buf from GEM object instance	2025-03-06 08:59:14 +01:00
drm_gem_shmem_helper.c	drm/gem-shmem: Use dma_buf from GEM object instance	2025-03-06 08:59:07 +01:00
drm_gem_ttm_helper.c
drm_gem_vram_helper.c
drm_gem.c	drm/gem: Test for imported GEM buffers with helper	2025-03-06 08:58:27 +01:00
drm_gpusvm.c	drm/gpusvm: Fix kernel-doc	2025-03-12 20:53:47 -07:00
drm_gpuvm.c
drm_internal.h	drm/client: Make client support optional	2024-10-18 09:23:03 +02:00
drm_ioc32.c
drm_ioctl.c	drm: add DRM_SET_CLIENT_NAME ioctl	2024-10-08 10:00:30 +02:00
drm_kms_helper_common.c
drm_lease.c
drm_managed.c	drm/managed: Add DRM-managed alloc_ordered_workqueue	2025-01-21 10:32:31 +01:00
drm_mipi_dbi.c	drm/mipi-dbi: Test for imported buffers with drm_gem_is_imported()	2025-03-06 08:59:20 +01:00
drm_mipi_dsi.c	drm/mipi-dsi: stop passing non struct drm_device to drm_err() and friends	2025-03-04 17:00:24 +02:00
drm_mm.c
drm_mode_config.c	drm/connector: Add FIXME for GETRESOURCES ioctl wrt. uninited connectors	2024-12-17 15:43:04 +02:00
drm_mode_object.c
drm_modes.c	Linux 6.13-rc6	2025-01-10 14:24:17 +10:00
drm_modeset_helper.c	drm/client: Move suspend/resume into DRM client callbacks	2024-10-18 09:23:03 +02:00
drm_modeset_lock.c
drm_of.c	drm: of: drm_of_find_panel_or_bridge: move misplaced comment	2025-02-17 14:17:55 +01:00
drm_panel_backlight_quirks.c	drm: panel-backlight-quirks: Add Framework 13 glossy and 2.8k panels	2024-11-21 09:28:15 -06:00
drm_panel_orientation_quirks.c	drm: panel-orientation-quirks: Add quirk for OneXPlayer Mini (Intel)	2025-02-17 09:19:07 +01:00
drm_panel.c	drm/bridge: panel: forbid initializing a panel with unknown connector type	2025-02-17 14:17:59 +01:00
drm_panic_qr.rs	drm/panic: Better binary encoding in QR code	2025-02-07 17:52:09 +01:00
drm_panic.c	drm/panic: Better binary encoding in QR code	2025-02-07 17:52:09 +01:00
drm_pci.c
drm_plane_helper.c
drm_plane.c
drm_prime.c	drm/prime: Use dma_buf from GEM object instance	2025-03-06 08:59:36 +01:00
drm_print.c	drm/print: add drm_print_hex_dump()	2024-12-10 14:08:40 +02:00
drm_privacy_screen_x86.c
drm_privacy_screen.c
drm_probe_helper.c	drm/probe-helper: Call connector detect functions in single helper	2025-01-14 11:20:49 +01:00
drm_property.c
drm_rect.c
drm_self_refresh_helper.c
drm_simple_kms_helper.c
drm_suballoc.c
drm_syncobj.c	fdget(), trivial conversions	2024-11-03 01:28:06 -05:00
drm_sysfs.c
drm_trace_points.c
drm_trace.h
drm_vblank_work.c	treewide: Introduce kthread_run_worker[_on_cpu]()	2025-01-08 18:15:03 +01:00
drm_vblank.c
drm_vma_manager.c
drm_writeback.c	drm: writeback: Fix kernel doc name	2025-02-20 15:02:09 +01:00
Kconfig	UAPI Changes:	2025-03-11 10:26:17 +10:00
Makefile	UAPI Changes:	2025-03-11 10:26:17 +10:00