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5316b7464c998357c468fcfe3717be6258330708
linux/drivers/gpu/drm
History
Luca Ceresoli 5316b7464c drm/bridge: dw-hdmi: warn on unsupported attach combination 
dw-hdmi can operate in two different modes, depending on the platform data
as set by the driver:

 A. hdmi->plat_data->output_port = 0:
    the HDMI output (port@1) in device tree is not used

 B. hdmi->plat_data->output_port = 1:
    the HDMI output (port@1) is parsed to find the next bridge

Only case B is supported when the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag is
passed to the attach callback. Emit a warning when this is violated. Also
return -EINVAL which would be returned by drm_bridge_attach() right after
anyway.

Reviewed-by: Liu Ying <victor.liu@nxp.com>
Tested-by: Martyn Welch <martyn.welch@collabora.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> # TQMa8MPxL/MBa8MPxL
Tested-by: Damon Ding <damon.ding@rock-chips.com> # rk3399
Link: https://patch.msgid.link/20260407-drm-lcdif-dbanc-v4-6-247a16e61ef9@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
2026-04-14 13:52:32 +02:00
..
adp
…
amd
Merge drm/drm-next into drm-misc-next
2026-04-08 10:09:43 +02:00
arm
drm/komeda: Add support for Arm China Linlon-D6
2026-03-24 16:08:54 +00:00
armada
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
aspeed
…
ast
drm/ast: Fix open-coded scu_rev access
2026-04-08 11:04:49 +02:00
atmel-hlcdc
drm: atmel-hlcdc: add LCD controller layer definition for sama7d65
2026-02-25 09:20:45 +05:30
bridge
drm/bridge: dw-hdmi: warn on unsupported attach combination
2026-04-14 13:52:32 +02:00
ci
Merge tag 'drm-msm-next-2026-04-02' of https://gitlab.freedesktop.org/drm/msm into drm-next
2026-04-03 18:57:00 +10:00
clients
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
display
drm/display: hdmi: Use drm_output_color_format instead of hdmi_colorspace
2026-03-24 13:54:35 +01:00
etnaviv
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
exynos
drm/bridge: analogix_dp: Attach the next bridge in analogix_dp_bridge_attach()
2026-04-13 17:43:45 +02:00
fsl-dcu
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
gma500
drm/gma500: Create framebuffers with drm_gem_fb_create()
2026-03-03 09:28:56 +01:00
gud
BackMerge tag 'v7.0-rc4' into drm-next
2026-03-26 09:41:26 +10:00
hisilicon
drm/hisilicon/hibmc: Adding reset colorbar cfg in dp init.
2026-01-20 10:53:14 +02:00
hyperv
drm/hyperv: Remove reference to hyperv_fb driver
2026-02-14 11:09:38 +01:00
i915
Merge v7.0-rc7 into drm-next
2026-04-07 12:36:31 +02:00
imagination
drm/imagination: Minor improvements to job submission code documentation
2026-04-08 11:17:14 +01:00
imx
drm/bridge: Move legacy bridge driver out of imx directory for multi-platform use
2026-04-09 14:10:21 +02:00
ingenic
drm/atomic: Remove state argument to drm_atomic_private_obj_init
2026-03-20 10:03:11 +01:00
kmb
drm/kmb/dsi: convert to of_drm_find_and_get_bridge()
2026-04-09 14:38:08 +02:00
lima
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
logicvc
drm/logicvc: Fix device node reference leak in logicvc_drm_config_parse()
2026-02-10 15:18:36 +01:00
loongson
drm/loongson: use drm_gem_ttm_dumb_map_offset()
2026-03-11 09:40:07 +01:00
mcde
drm/mcde: dsi: convert to of_drm_find_and_get_bridge()
2026-02-23 10:10:34 +01:00
mediatek
BackMerge tag 'v7.0-rc6' into drm-next
2026-03-31 07:51:02 +10:00
meson
Merge tag 'drm-msm-next-2026-04-02' of https://gitlab.freedesktop.org/drm/msm into drm-next
2026-04-03 18:57:00 +10:00
mgag200
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
msm
Merge tag 'drm-msm-next-2026-04-02' of https://gitlab.freedesktop.org/drm/msm into drm-next
2026-04-03 18:57:00 +10:00
mxsfb
drm/mxsfb/lcdif: move iteration-specific variables declaration inside loop in lcdif_attach_bridge
2026-04-14 13:52:31 +02:00
nouveau
Merge v7.0-rc3 into drm-next
2026-03-11 11:18:31 +01:00
nova
rust: gem: Introduce DriverObject::Args
2026-03-26 02:08:04 +01:00
omapdrm
drm/omap: dss: convert to of_drm_find_and_get_bridge()
2026-04-09 14:38:08 +02:00
panel
drm/panel: simple: add Waveshare LCD panels
2026-04-10 00:20:22 +03:00
panfrost
drm/panfrost: Add GPU_PM_RT support for RZ/G3L SoC
2026-03-27 02:06:42 +00:00
panthor
drm/panthor: Fix kernel-doc in panthor_sched.c so it's visible
2026-04-08 15:08:12 +01:00
pl111
BackMerge tag 'v6.19-rc7' into drm-next
2026-01-28 12:44:28 +10:00
qxl
dma-buf: inline spinlock for fence protection v5
2026-02-23 16:14:19 +01:00
radeon
drm/radeon: apply state adjust rules to some additional HAINAN vairants
2026-03-17 18:04:15 -04:00
renesas
drm: rz-du: Ensure correct suspend/resume ordering with VSP
2026-04-10 09:03:08 +01:00
rockchip
drm/rockchip: analogix_dp: Apply analogix_dp_finish_probe()
2026-04-13 17:43:45 +02:00
scheduler
Merge v7.0-rc3 into drm-next
2026-03-11 11:18:31 +01:00
sitronix
Merge tag 'drm-misc-next-2026-03-26' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2026-03-27 12:45:54 +10:00
solomon
drm/solomon: Fix page start when updating rectangle in page addressing mode
2026-02-26 13:42:09 +01:00
sprd
…
sti
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
stm
…
sun4i
drm/display: hdmi: Use drm_output_color_format instead of hdmi_colorspace
2026-03-24 13:54:35 +01:00
sysfb
Merge v7.0-rc7 into drm-next
2026-04-07 12:36:31 +02:00
tegra
drm/atomic: Remove state argument to drm_atomic_private_obj_init
2026-03-20 10:03:11 +01:00
tests
drm/display: hdmi: Use drm_output_color_format instead of hdmi_colorspace
2026-03-24 13:54:35 +01:00
tidss
drm/tidss: Fix missing drm_bridge_add() call
2026-03-27 12:26:45 +02:00
tilcdc
drm/tilcdc: replace use of system_wq with system_percpu_wq
2026-04-01 08:09:37 +02:00
tiny
drm/panel-mipi-dbi: Use regular atomic helpers; drop simple-display helpers
2026-03-25 15:05:02 +01:00
ttm
ttm/pool: track allocated_pages per numa node.
2026-04-08 06:52:48 +10:00
tve200
…
tyr
rust: gem: Introduce DriverObject::Args
2026-03-26 02:08:04 +01:00
udl
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
v3d
drm/v3d: Introduce Runtime Power Management
2026-04-04 07:41:08 -03:00
vboxvideo
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
vc4
drm/vc4: Clean-up UAPI header inclusion
2026-04-02 10:21:12 -03:00
verisilicon
drm: verisilicon: make vs_dc_platform_driver static
2026-03-25 15:21:23 +01:00
vgem
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
virtio
Merge drm/drm-next into drm-misc-next
2026-02-23 11:48:20 +01:00
vkms
drm/vkms: Support setting custom background color
2026-03-18 09:59:57 +00:00
vmwgfx
BackMerge tag 'v7.0-rc6' into drm-next
2026-03-31 07:51:02 +10:00
xe
drm/pagemap: Drop source_peer_migrates flag and assume true
2026-04-12 20:51:11 -07:00
xen
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
xlnx
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_atomic_helper.c
Merge drm/drm-next into drm-misc-next
2026-02-23 11:48:20 +01:00
drm_atomic_state_helper.c
drm: Add CRTC background color property
2026-03-18 09:59:57 +00:00
drm_atomic_uapi.c
drm: Add CRTC background color property
2026-03-18 09:59:57 +00:00
drm_atomic.c
drm/atomic: Remove state argument to drm_atomic_private_obj_init
2026-03-20 10:03:11 +01:00
drm_auth.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_blend.c
drm: Add CRTC background color property
2026-03-18 09:59:57 +00:00
drm_bridge_helper.c
…
drm_bridge.c
drm/bridge: drm_bridge_get/put(): document NULL pointer behaviour
2026-04-09 16:27:48 +02:00
drm_buddy.c
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
drm_cache.c
…
drm_client_event.c
drm/client: Pass force parameter to client restore
2025-11-25 08:43:46 +01:00
drm_client_modeset.c
drm/client: Do not destroy NULL modes
2026-02-25 09:31:54 +02:00
drm_client_sysrq.c
drm/client: Support emergency restore via sysrq for all clients
2025-11-25 08:43:47 +01:00
drm_client.c
drm/client: Export drm_client_buffer_create()
2026-03-03 09:28:31 +01:00
drm_color_mgmt.c
drm: Add Enhanced LUT precision structure
2025-11-26 23:03:35 +01:00
drm_colorop.c
drm/colorop: Preserve bypass value in duplicate_state()
2026-03-16 08:33:05 +05:30
drm_connector.c
drm/connector: Make drm_connector_attach_hdr_output_metadata_property() return void
2026-04-10 10:59:09 -03:00
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
drm_crtc_internal.h
drm/colorop: Introduce DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE
2025-11-26 23:03:32 +01:00
drm_crtc.c
drm/simple-kms: Deprecate simple-kms helpers
2026-03-25 15:05:22 +01:00
drm_damage_helper.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_debugfs_crc.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_debugfs.c
drm/debug: don't register files for unsupported HDMI InfoFrames
2026-01-19 13:11:47 +02:00
drm_displayid_internal.h
drm/displayid: add quirk to ignore DisplayID checksum errors
2025-11-04 14:49:30 +02:00
drm_displayid.c
drm/displayid: add quirk to ignore DisplayID checksum errors
2025-11-04 14:49:30 +02:00
drm_draw_internal.h
drm/draw: add drm_draw_can_convert_from_xrgb8888
2025-12-19 23:06:41 +01:00
drm_draw.c
drm/draw: add drm_draw_can_convert_from_xrgb8888
2025-12-19 23:06:41 +01:00
drm_drv.c
Merge tag 'drm-misc-next-2026-03-26' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2026-03-27 12:45:54 +10:00
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/edid: Parse AMD Vendor-Specific Data Block
2026-03-31 09:45:06 -05:00
drm_eld.c
…
drm_encoder.c
…
drm_exec.c
…
drm_fb_dma_helper.c
…
drm_fb_helper.c
Merge tag 'amd-drm-next-7.1-2026-03-12' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
2026-03-16 16:50:53 +10:00
drm_fbdev_dma.c
drm/fb-helper: Allocate and release fb_info in single place
2025-11-25 11:02:43 +01:00
drm_fbdev_shmem.c
drm/fb-helper: Allocate and release fb_info in single place
2025-11-25 11:02:43 +01:00
drm_fbdev_ttm.c
drm/fb-helper: Allocate and release fb_info in single place
2025-11-25 11:02:43 +01:00
drm_file.c
Revert "drm: Fix use-after-free on framebuffers and property blobs when calling drm_dev_unplug"
2026-03-26 14:09:26 +01:00
drm_flip_work.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
drm_format_helper.c
…
drm_format_internal.h
…
drm_fourcc.c
…
drm_framebuffer.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_gem_atomic_helper.c
drm/simple-kms: Deprecate simple-kms helpers
2026-03-25 15:05:22 +01:00
drm_gem_dma_helper.c
drm/gem-dma: set VM_DONTDUMP for mmap
2026-03-26 14:35:18 +08:00
drm_gem_framebuffer_helper.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_gem_shmem_helper.c
BackMerge tag 'v7.0-rc6' into drm-next
2026-03-31 07:51:02 +10:00
drm_gem_ttm_helper.c
…
drm_gem_vram_helper.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_gem.c
drm/gem: Consider GEM object reclaimable if shrinking fails
2026-04-03 13:23:27 +02:00
drm_gpusvm.c
drm/gpusvm: Use dma-map IOVA alloc, link, and sync API in GPU SVM
2026-04-12 20:51:10 -07:00
drm_gpuvm.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_internal.h
drm/client: Support emergency restore via sysrq for all clients
2025-11-25 08:43:47 +01:00
drm_ioc32.c
drm/ioc32: stop speculation on the drm_compat_ioctl path
2026-04-02 08:24:55 +02:00
drm_ioctl.c
drm/colorop: Introduce DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE
2025-11-26 23:03:32 +01:00
drm_kms_helper_common.c
…
drm_lease.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
drm_managed.c
…
drm_mipi_dbi.c
drm/mipi-dbi: Remove simple-display helpers from mipi-dbi
2026-03-25 15:05:17 +01:00
drm_mipi_dsi.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_mm.c
…
drm_mode_config.c
Merge v7.0-rc7 into drm-next
2026-04-07 12:36:31 +02:00
drm_mode_object.c
drm/mode_object: add drm_object_immutable_property_get_value()
2026-01-14 02:18:31 +02:00
drm_modes.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_modeset_helper.c
drm/simple-kms: Deprecate simple-kms helpers
2026-03-25 15:05:22 +01:00
drm_modeset_lock.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
drm_of.c
…
drm_pagemap_util.c
drm/pagemap_util: Ensure proper cache lock management on free
2026-03-17 15:39:07 +01:00
drm_pagemap.c
drm/pagemap: Fix drm_pagemap_migrate_unmap_pages kerneldoc
2026-04-12 20:51:15 -07:00
drm_panel_backlight_quirks.c
…
drm_panel_orientation_quirks.c
…
drm_panel.c
…
drm_panic_qr.rs
…
drm_panic.c
drm/panic: Fix expected string for QR_CODE in drm_panic_type_map
2026-01-09 08:53:27 +00:00
drm_pci.c
…
drm_plane_helper.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
drm_plane.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
drm_prime.c
drm/prime: Limit scatter list size with dedicated DMA device
2026-03-23 13:23:29 +08:00
drm_print.c
…
drm_privacy_screen_x86.c
…
drm_privacy_screen.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_probe_helper.c
drm/probe-helper: replace use of system_wq with system_percpu_wq
2026-02-09 09:41:09 +01:00
drm_property.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_ras_genl_family.c
drm/ras: Introduce the DRM RAS infrastructure over generic netlink
2026-03-05 19:38:55 -05:00
drm_ras_nl.c
drm/ras: Introduce the DRM RAS infrastructure over generic netlink
2026-03-05 19:38:55 -05:00
drm_ras_nl.h
drm/ras: Introduce the DRM RAS infrastructure over generic netlink
2026-03-05 19:38:55 -05:00
drm_ras.c
drm/ras: Introduce the DRM RAS infrastructure over generic netlink
2026-03-05 19:38:55 -05:00
drm_rect.c
…
drm_self_refresh_helper.c
Merge drm/drm-next into drm-misc-next
2026-02-23 11:48:20 +01:00
drm_simple_kms_helper.c
drm/simple-kms: Deprecate simple-kms helpers
2026-03-25 15:05:22 +01:00
drm_suballoc.c
Merge tag 'drm-xe-next-2026-03-02' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
2026-03-03 10:37:29 +10:00
drm_syncobj.c
drm/syncobj: Fix xa_alloc allocation flags
2026-03-25 08:05:35 +00:00
drm_sysfs.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_helper.c
…
drm_vblank_work.c
drm/vblank: use drm_crtc_vblank_crtc() in workers
2025-11-10 13:22:58 +02:00
drm_vblank.c
drm/vblank: Extract get_vblank_counter_and_timestamp()
2026-03-27 13:40:44 +02:00
drm_vma_manager.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
drm_writeback.c
dma-buf: inline spinlock for fence protection v5
2026-02-23 16:14:19 +01:00
Kconfig
Merge tag 'drm-rust-next-2026-03-30' of https://gitlab.freedesktop.org/drm/rust/kernel into drm-next
2026-04-01 07:32:05 +10:00
Kconfig.debug
drm: fix dead default for DRM_TTM_KUNIT_TEST
2026-03-24 16:19:04 +01:00
Makefile
Merge drm/drm-next into drm-xe-next
2026-03-12 07:23:23 -07:00