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33fd9cb8a267937e0902ade4cdefd8a008c93e65
linux/drivers/gpu/drm
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Qingqing Zhuo 33fd9cb8a2 drm/amd/display: NULL pointer hang 
[Why]
In dc_link_dp_set_test_pattern, we assume all pipes have a stream, which
can cause null pointer dereference.

[How]
Add a null pointer check before accessing stream.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-01-13 23:42:45 -05:00
..
amd
drm/amd/display: NULL pointer hang
2021-01-13 23:42:45 -05:00
arc
drm/atomic: Pass the full state to CRTC atomic enable/disable
2020-10-09 09:55:59 +02:00
arm
drm: Use state helper instead of CRTC state pointer
2020-11-10 12:41:06 +01:00
armada
drm/armada/armada_overlay: Staticify local function 'armada_overlay_duplicate_state'
2020-11-17 18:34:13 +01:00
aspeed
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
ast
drm: Use state helper instead of CRTC state pointer
2020-11-10 12:41:06 +01:00
atmel-hlcdc
drm/atmel-hlcdc/atmel_hlcdc_plane: Fix documentation formatting and add missing description
2020-11-12 20:26:47 +01:00
bochs
drm/fb_helper: Support framebuffers in I/O memory
2020-11-09 09:20:00 +01:00
bridge
drm/bridge: lvds-codec: Use dev_err_probe for error handling
2020-11-08 15:45:55 +01:00
etnaviv
Merge branch 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux into drm-next
2020-12-03 13:25:23 +10:00
exynos
drm/exynos: use exynos_dsi as drvdata
2020-12-01 11:38:29 +09:00
fsl-dcu
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
gma500
drm/gma500: Remove 2D accel code
2020-11-15 20:12:17 +01:00
hisilicon
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
i2c
Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-08-06 14:27:31 -07:00
i810
drm/i810: make i810_flush_queue() return void
2020-09-11 10:54:17 +02:00
i915
Merge tag 'drm-intel-next-queued-2020-11-27' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-12-03 13:01:44 +10:00
imx
Merge drm/drm-next into drm-misc-next
2020-11-10 17:11:37 +01:00
ingenic
drm/ingenic: ipu: Search for scaling coefs up to 102% of the screen
2020-11-11 11:47:11 +00:00
kmb
drm/Kconfig: rename keembay config
2020-11-13 14:53:34 +10:00
lib
…
lima
drm/lima: Unconditionally call dev_pm_opp_of_remove_table()
2020-11-16 08:32:22 +08:00
mcde
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
mediatek
Merge tag 'mediatek-drm-next-5.11-2' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
2020-12-03 13:23:57 +10:00
meson
drm/meson/meson_vclk: Make two local functions static
2020-11-17 18:34:14 +01:00
mga
drm/mga/mga_state: Remove unused variable 'buf_priv'
2020-11-06 23:19:07 +01:00
mgag200
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
2020-11-09 09:19:24 +01:00
msm
Merge tag 'drm-msm-next-2020-12-07' of https://gitlab.freedesktop.org/drm/msm into drm-next
2020-12-10 09:42:47 +10:00
mxsfb
drm: mxsfb: Implement .format_mod_supported
2020-11-10 15:22:28 +01:00
nouveau
Merge tag 'drm-misc-next-2020-11-18' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-next
2020-11-27 09:36:33 +10:00
omapdrm
drm/omap: dmm_tiler: fix return error code in omap_dmm_probe()
2020-11-17 14:43:19 +01:00
panel
drm/panel: Add ABT Y030XX067A 3.0" 320x480 panel
2020-11-17 13:59:56 +00:00
panfrost
drm/panfrost: Move the GPU reset bits outside the timeout handler
2020-11-16 10:27:30 +00:00
pl111
drm/pl111/pl111_debugfs: Make local function 'pl111_debugfs_regs()' static
2020-11-17 20:02:49 +01:00
qxl
drm/qxl: Remove fbcon acceleration leftovers
2020-11-17 11:01:09 +01:00
r128
drm/r128/ati_pcigart: Source file headers are not good candidates for kernel-doc
2020-11-06 23:18:52 +01:00
radeon
gpu/drm/radeon: use DIV_ROUND_UP macro to do calculation
2021-01-05 11:34:09 -05:00
rcar-du
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
rockchip
drm/rockchip/rockchip_lvds: Fix struct document formatting
2020-11-17 20:04:27 +01:00
savage
drm/savage/savage_bci: Remove set but never used 'aper_rsrc' and 'fb_rsrc'
2020-11-12 20:31:01 +01:00
scheduler
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
2020-12-10 16:55:53 +10:00
selftests
drm/selftests/test-drm_dp_mst_helper: Move 'sideband_msg_req_encode_decode' onto the heap
2020-11-17 20:08:29 +01:00
shmobile
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
sis
…
sti
drm/sti/sti_hdmi: Move 'colorspace_mode_names' array to where its used
2020-11-12 20:32:53 +01:00
stm
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
sun4i
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
tdfx
…
tegra
drm: Use state helper instead of CRTC state pointer
2020-11-10 12:41:06 +01:00
tidss
drm/tidss: use devm_platform_ioremap_resource_byname
2020-11-10 14:34:16 +02:00
tilcdc
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
tiny
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
2020-11-09 09:19:24 +01:00
ttm
drm/ttm/ttm_tt: Demote kernel-doc header format abuses
2020-11-17 20:14:18 +01:00
tve200
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
udl
drm/udl: Fix missing error code in udl_handle_damage()
2020-11-13 15:03:48 +01:00
v3d
drm/v3d/v3d_sched: Demote non-conformant kernel-doc header
2020-11-18 11:51:27 +01:00
vboxvideo
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
2020-11-09 09:19:24 +01:00
vc4
drm/vc4/vc4_debugfs: Demote non-conformant kernel-doc headers
2020-11-18 11:51:58 +01:00
vgem
drm/vgem: replace idr_init() by idr_init_base()
2020-11-10 15:22:28 +01:00
via
drm/via/via_dma: Remove set but unused variable 'agp_base'
2020-11-12 21:25:33 +01:00
virtio
drm/virtio: Make virtgpu_dmabuf_ops with static keyword
2020-11-16 08:53:23 +01:00
vkms
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
2020-11-09 09:19:24 +01:00
vmwgfx
drm/ttm: add multihop infrastrucutre (v3)
2020-11-11 11:11:03 +10:00
xen
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
2020-11-09 09:19:24 +01:00
xlnx
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
zte
drm/<drivers>: Constify struct drm_driver
2020-11-06 10:31:26 +01:00
drm_agpsupport.c
…
drm_atomic_helper.c
drm/atomic: Pass the full state to CRTC atomic begin and flush
2020-11-02 12:37:49 +01:00
drm_atomic_state_helper.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_atomic_uapi.c
drm: fix oops in drm_atomic_set_crtc_for_connector
2020-11-16 09:56:55 +01:00
drm_atomic.c
drm/atomic: document and enforce rules around "spurious" EBUSY
2020-10-08 11:30:03 +02:00
drm_auth.c
drm/auth: make drm_{set,drop}master_ioctl symmetrical
2020-06-15 14:49:50 +01:00
drm_blend.c
drm: Introduce plane and CRTC scaling filter properties
2020-10-21 12:19:54 +03:00
drm_bridge_connector.c
gpu/drm: delete same check in if condition
2020-11-02 14:04:53 +01:00
drm_bridge.c
drm: bridge: Pass drm_display_info to drm_bridge_funcs .mode_valid()
2020-06-23 19:53:27 +02:00
drm_bufs.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
drm_cache.c
drm: core: fix common struct sg_table related issues
2020-09-10 08:17:48 +02:00
drm_client_modeset.c
…
drm_client.c
drm/gem: Store client buffer mappings as struct dma_buf_map
2020-11-09 09:19:45 +01:00
drm_color_mgmt.c
drm: unify formatting for color management documentation
2020-11-04 17:47:57 +01:00
drm_connector.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_context.c
…
drm_crtc_helper_internal.h
drm/probe_helper: Add drm_connector_helper_funcs.mode_valid_ctx
2020-07-13 13:29:20 -04:00
drm_crtc_helper.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_crtc_internal.h
drm: Introduce plane and CRTC scaling filter properties
2020-10-21 12:19:54 +03:00
drm_crtc.c
drm: Introduce plane and CRTC scaling filter properties
2020-10-21 12:19:54 +03:00
drm_damage_helper.c
…
drm_debugfs_crc.c
drm/crc-debugfs: Fix memleak in crc_control_write
2020-09-01 09:45:44 +02:00
drm_debugfs.c
drm/debug: Expose connector VRR monitor range via debugfs
2020-06-25 15:47:14 -07:00
drm_dma.c
…
drm_dp_aux_dev.c
drm/dp_aux_dev: check aux_dev before use in drm_dp_aux_dev_get_by_minor()
2020-10-15 13:58:54 -04:00
drm_dp_cec.c
…
drm_dp_dual_mode_helper.c
…
drm_dp_helper.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_dp_mst_topology_internal.h
…
drm_dp_mst_topology.c
drm/drm_dp_mst_topology: Remove set but never used variable 'len'
2020-11-17 18:34:13 +01:00
drm_drv.c
drm: Allow const struct drm_driver
2020-11-06 10:31:26 +01:00
drm_dsc.c
…
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/edid: Fix uninitialized variable in drm_cvt_modes()
2020-11-06 13:51:04 -05:00
drm_encoder_slave.c
drm: encoder_slave: use new I2C API
2020-06-19 09:20:21 +02:00
drm_encoder.c
…
drm_fb_cma_helper.c
…
drm_fb_helper.c
drm/fb_helper: Use min_t() to handle size_t and unsigned long
2020-11-10 10:38:16 +01:00
drm_file.c
drm: Compile out legacy chunks from struct drm_device
2020-11-06 10:31:26 +01:00
drm_flip_work.c
…
drm_format_helper.c
…
drm_fourcc.c
drm/fourcc: Add AXBXGXRX106106106106 format
2020-10-20 20:51:42 +01:00
drm_framebuffer.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_gem_cma_helper.c
drm/cma-helper: Make default object functions the default
2020-11-09 09:23:03 +01:00
drm_gem_framebuffer_helper.c
…
drm_gem_shmem_helper.c
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
2020-11-09 09:19:24 +01:00
drm_gem_ttm_helper.c
drm/ttm: Add vmap/vunmap to TTM and TTM GEM helpers
2020-11-09 09:17:36 +01:00
drm_gem_vram_helper.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_gem.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_hashtab.c
…
drm_hdcp.c
…
drm_internal.h
drm/gem: Update internal GEM vmap/vunmap interfaces to use struct dma_buf_map
2020-11-09 09:19:36 +01:00
drm_ioc32.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_ioctl.c
drm: Give irq_by_busid drm_legacy_ prefix
2020-10-21 18:05:11 +02:00
drm_irq.c
…
drm_kms_helper_common.c
…
drm_lease.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_legacy_misc.c
…
drm_legacy.h
…
drm_lock.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_managed.c
drm/dev: Remove drm_dev_init
2020-09-21 10:45:08 +02:00
drm_memory.c
…
drm_mipi_dbi.c
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
drm_mipi_dsi.c
drm: mipi-dsi: Convert logging to drm_* functions.
2020-07-10 20:21:45 +02:00
drm_mm.c
drm/mm: cleanup and improve next_hole_*_addr()
2020-06-23 15:46:40 +02:00
drm_mode_config.c
drm : Insert blank lines after declarations.
2020-07-02 15:26:00 +02:00
drm_mode_object.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_modes.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_modeset_helper.c
…
drm_modeset_lock.c
…
drm_of.c
Merge tag 'v5.8' into drm-next
2020-08-11 11:58:31 +10:00
drm_panel_orientation_quirks.c
drm: Added orientation quirk for ASUS tablet model T103HAF
2020-08-04 11:45:23 +02:00
drm_panel.c
drm/panel: Add helper for reading DT rotation
2020-08-16 17:12:18 +02:00
drm_pci.c
drm: Give irq_by_busid drm_legacy_ prefix
2020-10-21 18:05:11 +02:00
drm_plane_helper.c
…
drm_plane.c
drm: Introduce plane and CRTC scaling filter properties
2020-10-21 12:19:54 +03:00
drm_prime.c
drm/gem: Update internal GEM vmap/vunmap interfaces to use struct dma_buf_map
2020-11-09 09:19:36 +01:00
drm_print.c
…
drm_probe_helper.c
Merge tag 'drm-intel-next-2020-07-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-07-31 14:42:37 +10:00
drm_property.c
…
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm: Use the state pointer directly in atomic_check
2020-11-03 12:20:09 +01:00
drm_syncobj.c
drm/syncobj: Tune down unordered timeline DRM_ERROR
2020-08-02 15:22:31 +02:00
drm_sysfs.c
…
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
Merge tag 'sched-fifo-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-06 11:55:43 -07:00
drm_vblank.c
drm: Compile out legacy chunks from struct drm_device
2020-11-06 10:31:26 +01:00
drm_vm.c
drm: remove pgprot_decrypted() before calls to io_remap_pfn_range()
2020-11-10 17:19:14 +01:00
drm_vma_manager.c
…
drm_writeback.c
…
Kconfig
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
2020-11-09 09:19:24 +01:00
Makefile
drm/kmb: Build files for KeemBay Display driver
2020-11-05 19:20:38 +01:00