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linux/drivers/gpu/drm
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Vinod Polimera 01013ba9bb drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit 
If edp modeset init is failed due to panel being not ready and
probe defers during drm bind, avoid clearing irqs and dereference
hw_intr when hw_intr is null.

BUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000

Call trace:
 dpu_core_irq_uninstall+0x50/0xb0
 dpu_irq_uninstall+0x18/0x24
 msm_drm_uninit+0xd8/0x16c
 msm_drm_bind+0x580/0x5fc
 try_to_bring_up_master+0x168/0x1c0
 __component_add+0xb4/0x178
 component_add+0x1c/0x28
 dp_display_probe+0x38c/0x400
 platform_probe+0xb0/0xd0
 really_probe+0xcc/0x2c8
 __driver_probe_device+0xbc/0xe8
 driver_probe_device+0x48/0xf0
 __device_attach_driver+0xa0/0xc8
 bus_for_each_drv+0x8c/0xd8
 __device_attach+0xc4/0x150
 device_initial_probe+0x1c/0x28

Changes in V2:
- Update commit message and coreect fixes tag.

Fixes: f25f656608 ("drm/msm/dpu: merge struct dpu_irq into struct dpu_hw_intr")
Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/484430/
Link: https://lore.kernel.org/r/1651509846-4842-1-git-send-email-quic_vpolimer@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2022-05-07 02:10:34 +03:00
..
amd
Merge tag 'amd-drm-fixes-5.18-2022-04-06' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
2022-04-07 10:23:23 +10:00
arm
drm: allow passing possible_crtcs to drm_writeback_connector_init()
2022-05-02 02:12:59 +03:00
armada
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
aspeed
drm/aspeed: Add AST2600 chip support
2022-03-03 09:08:35 +10:30
ast
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
atmel-hlcdc
drm/atmel-hlcdc: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:46 +01:00
bridge
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
2022-03-24 16:19:43 -07:00
dp
Merge tag 'drm-misc-next-2022-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-03-04 13:41:57 +10:00
etnaviv
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
exynos
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
fsl-dcu
drm/fsl-dcu: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:46 +01:00
gma500
drm/gma500: Add support for the nomodeset kernel parameter
2022-01-27 19:15:48 +01:00
gud
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
hisilicon
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
hyperv
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
i2c
…
i810
…
i915
Merge tag 'drm-next-2022-03-25' of git://anongit.freedesktop.org/drm/drm
2022-03-25 14:57:47 -07:00
imx
drm/imx: dw_hdmi-imx: Fix bailout in error cases of probe
2022-04-04 09:37:42 +02:00
ingenic
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
kmb
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
lib
drm/selftests: add drm buddy alloc range testcase
2022-02-23 10:44:43 +01:00
lima
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
mcde
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
mediatek
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
meson
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
mga
drm/mga/mga_ioc32: Use struct_group() for memcpy() region
2021-09-25 08:20:48 -07:00
mgag200
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
2022-03-24 16:19:43 -07:00
msm
drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit
2022-05-07 02:10:34 +03:00
mxsfb
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
nouveau
Merge drm/drm-fixes into drm-misc-fixes
2022-04-05 11:37:03 +02:00
omapdrm
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
panel
Merge tag 'drm-misc-fixes-2022-03-24' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
2022-04-07 10:22:43 +10:00
panfrost
Merge tag 'drm-misc-next-2022-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-03-04 13:41:57 +10:00
pl111
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
qxl
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
r128
BackMerge tag 'v5.15-rc7' into drm-next
2021-10-28 14:59:38 +10:00
radeon
drm/radeon: Use drm_mode_copy()
2022-03-15 15:01:12 -04:00
rcar-du
drm: allow passing possible_crtcs to drm_writeback_connector_init()
2022-05-02 02:12:59 +03:00
rockchip
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
savage
…
scheduler
drm/sched: Add device pointer to drm_gpu_scheduler
2022-02-23 10:04:14 +01:00
selftests
drm/selftest: plane_helper: Put test structures in static storage
2022-03-21 11:05:05 +01:00
shmobile
drm/shmobile: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:47 +01:00
sis
…
solomon
Merge tag 'drm-misc-next-2022-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-03-04 13:41:57 +10:00
sprd
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
sti
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
stm
drm/stm: ltdc: add support for CRC hashing feature
2022-02-25 14:14:28 +01:00
sun4i
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
tdfx
…
tegra
Merge tag 'drm-misc-next-2022-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-03-04 13:41:57 +10:00
tidss
drm/tidss: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:47 +01:00
tilcdc
drm/tilcdc: Add support for the nomodeset kernel parameter
2022-01-27 19:15:50 +01:00
tiny
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
2022-03-24 16:19:43 -07:00
ttm
drm/ttm: Fix a kernel oops due to an invalid read
2022-03-21 10:46:57 +01:00
tve200
drm/tve200: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:48 +01:00
udl
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
v3d
drm/v3d: centralize error handling when init scheduler fails
2022-03-01 22:37:13 -01:00
vboxvideo
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
vc4
drm: allow passing possible_crtcs to drm_writeback_connector_init()
2022-05-02 02:12:59 +03:00
vgem
drm: Return error codes from struct drm_driver.gem_create_object
2021-12-02 11:12:39 +01:00
via
…
virtio
drm/gem-shmem: Set vm_ops in static initializer
2022-02-14 09:42:01 +01:00
vkms
drm: allow passing possible_crtcs to drm_writeback_connector_init()
2022-05-02 02:12:59 +03:00
vmwgfx
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
2022-02-07 17:03:24 +01:00
xen
Merge tag 'for-linus-5.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2022-03-28 14:32:39 -07:00
xlnx
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
2022-02-07 17:03:24 +01:00
drm_agpsupport.c
…
drm_aperture.c
…
drm_atomic_helper.c
drm: fix error found in some cases after the patch d1af5cd86997
2022-01-14 14:31:54 +01:00
drm_atomic_state_helper.c
drm/object: Add default color encoding and range value at reset
2022-02-25 17:57:14 +01:00
drm_atomic_uapi.c
drm/atomic: Don't pollute crtc_state->mode_blob with error pointers
2022-02-16 12:32:07 +02:00
drm_atomic.c
Merge drm/drm-fixes into drm-misc-fixes
2022-01-26 09:40:24 +01:00
drm_auth.c
drm: get rid of DRM_DEBUG_* log calls in drm core, files drm_a*.c
2021-11-26 16:45:22 +01:00
drm_blend.c
…
drm_bridge_connector.c
drm: Plumb debugfs_init through to panels
2022-02-15 15:25:18 -08:00
drm_bridge.c
drm/bridge: Document the probe issue with MIPI-DSI bridges
2021-09-24 19:25:23 +02:00
drm_buddy.c
drm/selftests: add drm buddy alloc range testcase
2022-02-23 10:44:43 +01:00
drm_bufs.c
…
drm_cache.c
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
2022-03-24 16:19:43 -07:00
drm_client_modeset.c
drm: Convert open-coded yes/no strings to yesno()
2022-02-07 13:04:25 -08:00
drm_client.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_color_mgmt.c
drm/docs: Document where the C8 color lut is stored
2022-01-25 09:36:20 +01:00
drm_connector.c
drm/vrr: Set VRR capable prop only if it is attached to connector
2022-03-01 11:37:21 -08:00
drm_context.c
…
drm_crtc_helper_internal.h
drm/dp: Move DP declarations into separate header file
2022-01-17 11:25:44 +01:00
drm_crtc_helper.c
Revert "drm: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()"
2021-10-04 09:34:57 -04:00
drm_crtc_internal.h
…
drm_crtc.c
…
drm_damage_helper.c
…
drm_debugfs_crc.c
…
drm_debugfs.c
drm: Plumb debugfs_init through to panels
2022-02-15 15:25:18 -08:00
drm_displayid.c
…
drm_dma.c
…
drm_drv.c
drm: fix null-ptr-deref in drm_dev_init_release()
2021-10-14 21:39:02 +02:00
drm_dsc.c
drm/dp: Move public DisplayPort headers into dp/
2022-01-17 11:25:44 +01:00
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/edid: fix CEA extension byte #3 parsing
2022-03-24 11:41:14 +02:00
drm_encoder_slave.c
…
drm_encoder.c
…
drm_fb_cma_helper.c
…
drm_fb_helper.c
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
drm_file.c
…
drm_flip_work.c
…
drm_format_helper.c
drm/format-helper: Add drm_fb_xrgb8888_to_mono_reversed()
2022-02-16 13:29:04 +01:00
drm_fourcc.c
drm/fourcc: Add packed 10bit YUV 4:2:0 format
2021-12-16 11:23:22 +01:00
drm_framebuffer.c
drm: introduce fb_modifiers_not_supported flag in mode_config
2022-01-31 21:45:23 +01:00
drm_gem_atomic_helper.c
drm: use new iterator in drm_gem_plane_helper_prepare_fb v3
2021-10-25 09:33:22 +02:00
drm_gem_cma_helper.c
Backmerge tag 'v5.17-rc6' into drm-next
2022-02-28 14:57:14 +10:00
drm_gem_framebuffer_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem_shmem_helper.c
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
drm_gem_ttm_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem_vram_helper.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_gem.c
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
drm_hashtab.c
drm: Declare hashtable as legacy
2021-11-30 09:41:28 +01:00
drm_hdcp.c
…
drm_internal.h
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_ioc32.c
…
drm_ioctl.c
drm: introduce fb_modifiers_not_supported flag in mode_config
2022-01-31 21:45:23 +01:00
drm_irq.c
drm: Build drm_irq.o only if CONFIG_DRM_LEGACY has been set
2021-10-22 16:20:12 +02:00
drm_kms_helper_common.c
drm/dp: Move DisplayPort helpers into separate helper module
2022-01-17 11:25:44 +01:00
drm_lease.c
drm/lease: allow empty leases
2021-10-01 15:55:47 +02:00
drm_legacy_misc.c
…
drm_legacy.h
drm: Declare hashtable as legacy
2021-11-30 09:41:28 +01:00
drm_lock.c
…
drm_managed.c
…
drm_memory.c
…
drm_mipi_dbi.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_mipi_dsi.c
drm/mipi-dsi: Create devm device attachment
2021-09-24 19:25:33 +02:00
drm_mm.c
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
2022-01-22 08:33:37 +02:00
drm_mode_config.c
…
drm_mode_object.c
drm/object: Add drm_object_property_get_default_value() function
2022-02-25 17:55:42 +01:00
drm_modes.c
drm/modes: Add of_get_drm_panel_display_mode()
2022-02-28 10:29:33 +01:00
drm_modeset_helper.c
…
drm_modeset_lock.c
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
2022-01-22 08:33:37 +02:00
drm_nomodeset.c
drm: Fix build error caused by missing drm_nomodeset.o
2021-11-27 21:05:58 +01:00
drm_of.c
Merge tag 'drm-misc-next-fixes-2022-04-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
2022-04-08 09:13:38 +10:00
drm_panel_orientation_quirks.c
Merge drm/drm-next into drm-intel-next
2022-01-31 13:19:33 -05:00
drm_panel.c
…
drm_pci.c
…
drm_plane_helper.c
drm/plane-helper: fix uninitialized variable reference
2021-10-07 12:24:44 +02:00
drm_plane.c
drm: add support modifiers for drivers whose planes only support linear layout
2022-01-31 21:45:24 +01:00
drm_prime.c
dma-buf-map: Rename to iosys-map
2022-02-07 16:35:35 -08:00
drm_print.c
…
drm_privacy_screen_x86.c
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
drm_privacy_screen.c
Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-25 05:50:18 +10:00
drm_probe_helper.c
drm/probe-helper: use drm_kms_helper_connector_hotplug_event
2021-11-02 14:27:14 +01:00
drm_property.c
drm: property: Replace strncpy() with strscpy_pad()
2021-10-07 05:42:13 +03:00
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
…
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
…
drm_syncobj.c
drm/syncobj: flatten dma_fence_chains on transfer
2022-02-11 11:30:01 +01:00
drm_sysfs.c
drm/sysfs: introduce drm_sysfs_connector_hotplug_event
2021-11-02 14:27:06 +01:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
…
drm_vblank.c
…
drm_vm.c
…
drm_vma_manager.c
…
drm_writeback.c
drm: introduce drm_writeback_connector_init_with_encoder() API
2022-05-02 02:12:59 +03:00
Kconfig
drm/selftests: Move i915 buddy selftests into drm
2022-02-23 10:43:25 +01:00
Makefile
drm: Add driver for Solomon SSD130x OLED displays
2022-02-16 13:29:04 +01:00