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linux/drivers/gpu/drm
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Wenjing Liu ed6941b632 drm/amd/display: on dp link lost event toggle dpms for master pipe only 
[why]
We mistakenly toggle dpms state for non master pipe when handling
link lost. A non master pipe doesn't connect to a backend. So it is
toggling dpms for non master is undefined and caused NULL pointer
dereference.

[how]
Add helper functions to find an array of active master pipes for current
link and only toggle DPMS for active master pipes connected to the link.
Add assert in case we get called to program dpms with non master pipe.

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-02-14 16:03:49 -05:00
..
amd
drm/amd/display: on dp link lost event toggle dpms for master pipe only
2023-02-14 16:03:49 -05:00
arm
drm/arm/komeda: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:30 +01:00
armada
drm/fb-helper: Initialize fb-helper's preferred BPP in prepare function
2023-01-26 08:52:31 +01:00
aspeed
drm/aspeed: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:31 +01:00
ast
drm/ast: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:31 +01:00
atmel-hlcdc
drm: atmel-hlcdc: Remove #ifdef guards for PM related functions
2022-12-12 12:30:56 +00:00
bridge
drm-misc-next for $kernel-version:
2023-01-24 17:36:29 +01:00
display
Merge tag 'amd-drm-next-6.3-2023-01-27' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
2023-01-30 15:37:57 +10:00
etnaviv
MM patches for 6.2-rc1.
2022-12-13 19:29:45 -08:00
exynos
drm/fb-helper: Initialize fb-helper's preferred BPP in prepare function
2023-01-26 08:52:31 +01:00
fsl-dcu
hardening updates for v6.2-rc1
2022-12-14 12:20:00 -08:00
gma500
drm/fb-helper: Initialize fb-helper's preferred BPP in prepare function
2023-01-26 08:52:31 +01:00
gud
drm/gud: use new debugfs device-centered functions
2023-01-06 16:15:08 -03:00
hisilicon
drm: Only select I2C_ALGOBIT for drivers that actually need it
2023-01-10 11:15:44 +01:00
hyperv
drm/fb-helper: Remove unnecessary include statements
2022-11-05 17:12:04 +01:00
i2c
drm-misc-next for $kernel-version:
2023-01-24 17:36:29 +01:00
i915
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
imx
drm/imx/dcss: Don't call dev_set_drvdata(..., NULL);
2023-01-10 16:26:06 +02:00
ingenic
drm/ingenic: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:31 +01:00
kmb
drm/kmb: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:31 +01:00
lib
…
lima
Linux 6.1-rc6
2022-11-24 11:05:43 +10:00
logicvc
drm/logicvc: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:31 +01:00
mcde
drm/fb-helper: Move generic fbdev emulation into separate source file
2022-11-05 17:12:04 +01:00
mediatek
drm-misc-next for v6.3:
2023-01-04 14:59:25 +01:00
meson
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
mgag200
drm: Only select I2C_ALGOBIT for drivers that actually need it
2023-01-10 11:15:44 +01:00
msm
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
mxsfb
drm/mxsfb: improve clk handling for axi clk
2023-01-10 11:04:56 +01:00
nouveau
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
omapdrm
drm/fb-helper: Initialize fb-helper's preferred BPP in prepare function
2023-01-26 08:52:31 +01:00
panel
drm/panel: Add driver for the AUO A030JTN01 TFT LCD
2023-01-22 11:25:06 +00:00
panfrost
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
pl111
drm/fb-helper: Move generic fbdev emulation into separate source file
2022-11-05 17:12:04 +01:00
qxl
drm/qxl: stop using ttm_bo_wait
2022-12-19 09:50:06 +01:00
radeon
drm/fb-helper: Initialize fb-helper's preferred BPP in prepare function
2023-01-26 08:52:31 +01:00
rcar-du
Renesas R-Car DU fixes and improvements
2023-01-30 13:49:56 +10:00
rockchip
drm/rockchip: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:31 +01:00
scheduler
drm/scheduler: deprecate drm_sched_resubmit_jobs
2023-01-18 12:46:52 +01:00
shmobile
drm/shmobile: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:32 +01:00
solomon
drm/ssd130x: Silence a dubious: x & !y warning
2023-01-24 11:02:33 +01:00
sprd
drm/sprd: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:32 +01:00
sti
hardening updates for v6.2-rc1
2022-12-14 12:20:00 -08:00
stm
drm/fb-helper: Move generic fbdev emulation into separate source file
2022-11-05 17:12:04 +01:00
sun4i
drm/sun4i: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:32 +01:00
tegra
drm/tegra: Changes for v6.3-rc1
2023-01-30 14:24:52 +10:00
tests
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
tidss
drm/tidss: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:32 +01:00
tilcdc
drm: tilcdc: Remove #ifdef guards for PM related functions
2022-12-12 13:07:02 +00:00
tiny
drm/simpledrm: Add support for system memory framebuffers
2023-01-23 15:02:28 +01:00
ttm
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
tve200
drm/fb-helper: Move generic fbdev emulation into separate source file
2022-11-05 17:12:04 +01:00
udl
drm/udl: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:32 +01:00
v3d
drm/v3d: replace open-coded implementation of drm_gem_object_lookup
2023-01-03 18:16:01 -01:00
vboxvideo
drm/vboxvideo: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:32 +01:00
vc4
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
vgem
…
virtio
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
vkms
drm/vkms: reintroduce prepare_fb and cleanup_fb functions
2023-01-12 09:46:19 -01:00
vmwgfx
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
xen
xen: branch for v6.2-rc4
2023-01-12 17:02:20 -06:00
xlnx
drm-misc-next for 6.2:
2022-11-16 07:17:32 +10:00
drm_agpsupport.c
…
drm_aperture.c
…
drm_atomic_helper.c
drm/atomic-helper: Add {begin,end}_fb_access to plane helpers
2022-11-08 17:10:27 +01:00
drm_atomic_state_helper.c
drm/atomic-helper: fix kernel-doc problems
2023-01-19 09:16:04 +01:00
drm_atomic_uapi.c
drm/connector: Add TV standard property
2022-11-24 12:42:39 +01:00
drm_atomic.c
drm: use new debugfs device-centered functions on DRM core files
2022-12-22 14:58:21 -03:00
drm_auth.c
…
drm_blend.c
drm/drm_blend: Remove usage of deprecated DRM_DEBUG_ATOMIC
2023-01-10 16:14:13 +01:00
drm_bridge_connector.c
drm/bridge_connector: drop drm_bridge_connector_en/disable_hpd()
2023-01-05 15:08:10 +01:00
drm_bridge.c
drm/bridge: Document the expected behaviour of DSI host controllers
2022-12-08 09:56:57 +01:00
drm_buddy.c
drm: Optimize drm buddy top-down allocation method
2023-01-12 13:50:28 +01:00
drm_bufs.c
drm/nouveau: Remove support for legacy contexts/buffers
2023-01-13 09:22:02 +01:00
drm_cache.c
…
drm_client_modeset.c
drm/client: Remove match on mode name
2022-11-24 12:42:40 +01:00
drm_client.c
drm/client: Add hotplug_failed flag
2023-01-26 08:52:26 +01:00
drm_color_mgmt.c
…
drm_connector.c
drm/edid: parse VICs from CTA VDB early
2023-01-19 10:53:24 +02:00
drm_context.c
drm/nouveau: Remove support for legacy contexts/buffers
2023-01-13 09:22:02 +01:00
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
drm/fb-helper: Remove unnecessary include statements
2022-11-05 17:12:04 +01:00
drm_crtc_internal.h
drm/edid: move edid load declarations to internal header
2022-10-26 09:53:56 +03:00
drm_crtc.c
…
drm_damage_helper.c
…
drm_debugfs_crc.c
…
drm_debugfs.c
drm/debugfs: use octal permissions instead of symbolic permissions
2023-01-10 09:57:05 -03:00
drm_displayid.c
…
drm_dma.c
…
drm_drv.c
drm-misc-next for v6.3:
2023-01-04 14:59:25 +01:00
drm_dumb_buffers.c
…
drm_edid_load.c
drm/edid/firmware: stop using a throwaway platform device
2022-11-16 14:54:44 +02:00
drm_edid.c
drm/edid: remove redundant _drm_connector_update_edid_property()
2023-01-23 11:46:50 +02:00
drm_encoder_slave.c
…
drm_encoder.c
…
drm_fb_dma_helper.c
…
drm_fb_helper.c
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
drm_fbdev_generic.c
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
drm_file.c
drm-misc-next for v6.3:
2023-01-16 15:33:28 +10:00
drm_flip_work.c
…
drm_format_helper.c
drm/format-helper: Support the AB24/XB24 formats
2023-01-23 15:02:41 +01:00
drm_fourcc.c
drm/fourcc: Add missing big-endian XRGB1555 and RGB565 formats
2022-11-23 20:34:46 +01:00
drm_framebuffer.c
drm: use new debugfs device-centered functions on DRM core files
2022-12-22 14:58:21 -03:00
drm_gem_atomic_helper.c
drm/simple-kms: Remove drm_gem_simple_display_pipe_prepare_fb()
2022-12-05 13:35:37 +01:00
drm_gem_dma_helper.c
drm: Remove usage of deprecated DRM_DEBUG_PRIME
2023-01-10 16:14:13 +01:00
drm_gem_framebuffer_helper.c
drm/fb-helper: Remove unnecessary include statements
2022-11-05 17:12:04 +01:00
drm_gem_shmem_helper.c
drm-misc-next for v6.3:
2023-01-16 15:33:28 +10:00
drm_gem_ttm_helper.c
drm/ttm: merge ttm_bo_api.h and ttm_bo_driver.h v2
2022-12-06 12:54:14 +01:00
drm_gem_vram_helper.c
drm: use new debugfs device-centered functions on DRM core files
2022-12-22 14:58:21 -03:00
drm_gem.c
drm/gem-shmem: When drm_gem_object_init failed, should release object
2022-11-21 16:55:52 +01:00
drm_hashtab.c
…
drm_internal.h
drm/debugfs: create debugfs late register functions
2022-12-22 14:58:55 -03:00
drm_ioc32.c
drm: Replace DRM_DEBUG with drm_dbg_core in file and ioctl handling
2023-01-03 18:20:57 +01:00
drm_ioctl.c
drm: Replace DRM_DEBUG with drm_dbg_core in file and ioctl handling
2023-01-03 18:20:57 +01:00
drm_irq.c
…
drm_kms_helper_common.c
…
drm_lease.c
drm: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:30 +01:00
drm_legacy_misc.c
…
drm_legacy.h
…
drm_lock.c
…
drm_managed.c
…
drm_memory.c
…
drm_mipi_dbi.c
drm/mipi-dbi: Support separate I/O regulator
2022-12-14 14:57:09 +01:00
drm_mipi_dsi.c
drm/mipi-dsi: Fix byte order of 16-bit DCS set/get brightness
2023-01-19 08:21:56 +01:00
drm_mm.c
…
drm_mode_config.c
drm/debugfs: create debugfs late register functions
2022-12-22 14:58:55 -03:00
drm_mode_object.c
…
drm_modes.c
drm: Include <linux/of.h> where needed
2023-01-13 13:18:35 +01:00
drm_modeset_helper.c
drm/plane-helper: Provide DRM_PLANE_NON_ATOMIC_FUNCS initializer macro
2022-09-20 09:42:31 +02:00
drm_modeset_lock.c
…
drm_of.c
…
drm_panel_orientation_quirks.c
Linux 6.2-rc6
2023-01-31 12:23:23 +01:00
drm_panel.c
…
drm_pci.c
…
drm_plane_helper.c
drm: Remove unnecessary include statements for drm_crtc_helper.h
2023-01-18 09:25:30 +01:00
drm_plane.c
drm/docs: Explicitly document default CRTC background behavior
2023-01-04 16:12:15 +00:00
drm_prime.c
drm: Assert held reservation lock for dma-buf mmapping
2022-11-11 23:49:47 +03:00
drm_print.c
drm_print: add _ddebug descriptor to drm_*dbg prototypes
2022-09-24 15:02:02 +02:00
drm_privacy_screen_x86.c
…
drm_privacy_screen.c
…
drm_probe_helper.c
drm/edid: add separate drm_edid_connector_add_modes()
2023-01-23 11:46:47 +02:00
drm_property.c
…
drm_rect.c
gpu/drm: fix repeated words in comments
2022-10-24 09:27:04 +02:00
drm_scatter.c
…
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm/simple-kms: Remove drm_gem_simple_display_pipe_prepare_fb()
2022-12-05 13:35:37 +01:00
drm_syncobj.c
…
drm_sysfs.c
Driver Core changes for 6.2-rc1
2022-12-16 03:54:54 -08:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
…
drm_vblank.c
…
drm_vm.c
…
drm_vma_manager.c
drm/drm_vma_manager: Add drm_vma_node_allow_once()
2023-01-19 14:16:55 +01:00
drm_writeback.c
…
Kconfig
drm: Add comments to Kconfig
2023-01-13 09:44:53 +01:00
Makefile
drm-misc-next for $kernel-version:
2023-01-24 17:36:29 +01:00