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Chen-Yu Tsai 1469619d29 drm/sun4i: tcon: Check for multiple paths between TCONs and backends 
The patch b317fa3ba11a ("drm/sun4i: tcon: Find matching display backend
by device node matching") assumed a one-to-one mapping between TCONs
and backends. This turned out wrong, as we found muxing controls in the
TCON of the A31, and undocumented usage of the backend output selector
of the A20.

Make sun4i_tcon_find_engine() bail out if the current node has multiple
input connections.

Fixes: b317fa3ba11a ("drm/sun4i: tcon: Find matching display backend
		      by device node matching")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170908075016.18657-4-wens@csie.org
2017-09-09 17:24:01 +02:00
..
amd
Merge branch 'drm-next-4.14' of git://people.freedesktop.org/~agd5f/linux into drm-next
2017-08-18 05:30:53 +10:00
arc
drm/arc: Use drm_gem_fb_create()
2017-09-02 14:23:06 +02:00
arm
drm/arm/mali: Use drm_gem_fb_create()
2017-08-27 19:29:46 +02:00
armada
drm/armada: Use correct path to trace include
2017-09-05 11:11:20 +02:00
ast
Merge tag 'drm-misc-next-2017-08-16' of git://anongit.freedesktop.org/git/drm-misc into drm-next
2017-08-17 07:33:41 +10:00
atmel-hlcdc
drm/atmel-hlcdc: Use drm_gem_fb_create()
2017-08-27 19:30:15 +02:00
bochs
drm/bochs: Use the drm_driver.dumb_destroy default
2017-08-16 20:18:55 +02:00
bridge
drm/bridge/synopsys: dsi: explicitly request exclusive reset control
2017-09-04 17:05:34 +05:30
cirrus
drm/cirrus: Use the drm_driver.dumb_destroy default
2017-08-16 20:14:22 +02:00
etnaviv
drm/etnaviv: Fix off-by-one error in reloc checking
2017-08-08 15:56:00 +02:00
exynos
drm/exynos: mic: clean up drm_bridge_add call
2017-08-21 08:50:35 +05:30
fsl-dcu
drm: Nuke drm_atomic_helper_connector_dpms
2017-08-08 14:48:48 +02:00
gma500
drm: gma500: fix logic error
2017-09-06 08:39:55 +02:00
hisilicon
drm/kirin: Use .dumb_map_offset and .dumb_destroy defaults
2017-08-16 20:11:06 +02:00
i2c
drm: i2c: tda998x: constify i2c_device_id
2017-08-22 08:33:44 +02:00
i810
drm/pci: Deprecate drm_pci_init/exit completely
2017-06-20 10:41:03 +02:00
i915
drm/atomic: Make async plane update checks work as intended, v2.
2017-09-08 10:39:37 +02:00
imx
drm: Nuke drm_atomic_helper_connector_dpms
2017-08-08 14:48:48 +02:00
lib
…
mediatek
drm/mediatek: hdmi: clean up drm_bridge_add call
2017-08-21 08:49:24 +05:30
meson
drm/meson: Use .dumb_map_offset and .dumb_destroy defaults
2017-08-16 20:11:43 +02:00
mga
Merge airlied/drm-next into drm-misc-next
2017-07-26 13:43:33 +02:00
mgag200
drm/mgag200: Use the drm_driver.dumb_destroy default
2017-08-16 20:18:22 +02:00
msm
Merge tag 'drm-misc-next-2017-08-16' of git://anongit.freedesktop.org/git/drm-misc into drm-next
2017-08-17 07:33:41 +10:00
mxsfb
drm/mxsfb: Use .dumb_map_offset and .dumb_destroy defaults
2017-08-16 20:12:19 +02:00
nouveau
drm/nouveau: Fix merge commit
2017-08-16 12:06:02 +10:00
omapdrm
drm/omap: Potential NULL deref in omap_crtc_duplicate_state()
2017-08-16 16:21:18 +03:00
panel
drm/panel: Add driver for Seiko 43WVF1G panel
2017-08-18 17:10:45 +02:00
pl111
drm/pl111: Use drm_gem_fb_create() and drm_gem_fb_prepare_fb()
2017-08-16 21:35:38 +02:00
qxl
drm/qxl: Use the drm_driver.dumb_destroy default
2017-08-16 20:15:38 +02:00
r128
drm/pci: Deprecate drm_pci_init/exit completely
2017-06-20 10:41:03 +02:00
radeon
drm/radeon: Fix preferred typo
2017-08-15 14:46:16 -04:00
rcar-du
Merge tag 'drm-misc-next-2017-08-08' of git://anongit.freedesktop.org/git/drm-misc into drm-next
2017-08-10 10:47:33 +10:00
rockchip
drm/rockchip: Add support for Rockchip Soc LVDS
2017-09-08 14:57:26 +08:00
savage
drm/pci: Deprecate drm_pci_init/exit completely
2017-06-20 10:41:03 +02:00
selftests
…
shmobile
drm/shmobile: Use .dumb_map_offset and .dumb_destroy defaults
2017-07-29 13:57:33 +02:00
sis
drm/pci: Deprecate drm_pci_init/exit completely
2017-06-20 10:41:03 +02:00
sti
drm/sti: Use drm_gem_fb_create()
2017-08-27 19:30:49 +02:00
stm
drm/stm: fix warning about multiplication in condition
2017-09-08 10:29:11 +02:00
sun4i
drm/sun4i: tcon: Check for multiple paths between TCONs and backends
2017-09-09 17:24:01 +02:00
tdfx
drm/pci: Deprecate drm_pci_init/exit completely
2017-06-20 10:41:03 +02:00
tegra
drm/tegra: Use .dumb_map_offset and .dumb_destroy defaults
2017-08-16 20:13:48 +02:00
tilcdc
drm: Nuke drm_atomic_helper_connector_dpms
2017-08-08 14:48:48 +02:00
tinydrm
drm/tinydrm: make function st7586_pipe_enable static
2017-08-16 21:39:26 +02:00
ttm
drm/ttm: Implement vm_operations_struct.access v2
2017-07-25 16:29:02 -04:00
tve200
drm/tve200: Replace custom connector with panel bridge
2017-09-02 22:24:54 +02:00
udl
drm: udl: constify usb_device_id
2017-08-18 09:10:46 +02:00
vc4
drm/vc4: clean up error handling on devm_kzalloc failure
2017-09-08 11:06:54 -07:00
vgem
drm/vgem: switch to drm_*_get(), drm_*_put() helpers
2017-08-11 11:41:43 -04:00
via
drm/pci: Deprecate drm_pci_init/exit completely
2017-06-20 10:41:03 +02:00
virtio
drm/virtio: Use the drm_driver.dumb_destroy default
2017-08-16 20:20:00 +02:00
vmwgfx
Linux 4.13-rc5
2017-08-15 16:16:58 +10:00
zte
drm/zte: Use drm_gem_fb_create()
2017-08-27 19:31:06 +02:00
ati_pcigart.c
…
drm_agpsupport.c
…
drm_atomic_helper.c
drm/atomic: Make async plane update checks work as intended, v2.
2017-09-08 10:39:37 +02:00
drm_atomic.c
drm/atomic: Fix freeing connector/plane state too early by tracking commits, v3.
2017-09-08 10:39:37 +02:00
drm_auth.c
…
drm_blend.c
…
drm_bridge.c
drm/bridge: change return type of drm_bridge_add function
2017-08-21 08:51:53 +05:30
drm_bufs.c
switch compat_drm_mapbufs() to drm_ioctl_kernel()
2017-07-04 13:16:26 -04:00
drm_cache.c
…
drm_color_mgmt.c
drm: More links for gamma support helpers
2017-06-20 12:13:11 +02:00
drm_connector.c
drm: Handle properties in the core for atomic drivers
2017-08-08 14:45:09 +02:00
drm_context.c
…
drm_crtc_helper_internal.h
drm: Add drm_{crtc/encoder/connector}_mode_valid()
2017-05-30 08:37:24 +02:00
drm_crtc_helper.c
drm: Handle properties in the core for atomic drivers
2017-08-08 14:45:09 +02:00
drm_crtc_internal.h
drm: Handle properties in the core for atomic drivers
2017-08-08 14:45:09 +02:00
drm_crtc.c
drm: Handle properties in the core for atomic drivers
2017-08-08 14:45:09 +02:00
drm_debugfs_crc.c
drm/crc: Only open CRC on atomic drivers when the CRTC is active.
2017-07-17 16:34:51 +02:00
drm_debugfs.c
…
drm_dma.c
…
drm_dp_aux_dev.c
drm_dp_aux_dev: switch to read_iter/write_iter
2017-07-08 20:51:46 -04:00
drm_dp_dual_mode_helper.c
…
drm_dp_helper.c
drm/dp: Don't trust drm_dp_downstream_id()
2017-07-21 17:45:26 +03:00
drm_dp_mst_topology.c
Linux 4.13-rc2
2017-07-27 08:15:43 +10:00
drm_drv.c
drm: Clean up drm_dev_unplug
2017-08-11 10:49:21 +02:00
drm_dumb_buffers.c
drm/dumb-buffers: Add defaults for .dumb_map_offset and .dumb_destroy
2017-07-29 13:51:44 +02:00
drm_edid_load.c
…
drm_edid.c
drm/edid: parse ycbcr 420 deep color information
2017-07-14 21:23:54 +03:00
drm_encoder_slave.c
…
drm_encoder.c
…
drm_fb_cma_helper.c
drm/fb-cma-helper: Use drm_gem_framebuffer_helper
2017-08-16 21:34:38 +02:00
drm_fb_helper.c
drm/fb-helper: Avoid NULL ptr dereference in fb_set_suspend()
2017-09-02 14:37:59 +02:00
drm_file.c
drm: Document device unplug infrastructure
2017-08-11 10:48:03 +02:00
drm_flip_work.c
…
drm_fourcc.c
…
drm_framebuffer.c
Merge airlied/drm-next into drm-misc-next
2017-07-26 13:43:33 +02:00
drm_gem_cma_helper.c
drm/gem-cma-helper: Remove drm_gem_cma_dumb_map_offset()
2017-08-16 20:21:24 +02:00
drm_gem_framebuffer_helper.c
drm: Add GEM backed framebuffer library
2017-08-16 21:32:23 +02:00
drm_gem.c
drm/gem: drm_gem_dumb_map_offset(): reject dma-buf
2017-09-02 14:21:52 +02:00
drm_global.c
…
drm_hashtab.c
…
drm_info.c
…
drm_internal.h
Merge airlied/drm-next into drm-misc-next
2017-07-26 13:43:33 +02:00
drm_ioc32.c
Merge airlied/drm-next into drm-misc-next
2017-07-26 13:43:33 +02:00
drm_ioctl.c
drm: Document device unplug infrastructure
2017-08-11 10:48:03 +02:00
drm_irq.c
drm/doc: Polish irq helper documentation
2017-06-01 08:02:14 +02:00
drm_kms_helper_common.c
…
drm_legacy.h
switch compat_drm_mapbufs() to drm_ioctl_kernel()
2017-07-04 13:16:26 -04:00
drm_lock.c
…
drm_memory.c
…
drm_mipi_dsi.c
drm: Convert to using %pOF instead of full_name
2017-07-26 13:45:06 +02:00
drm_mm.c
…
drm_mode_config.c
drm: Create a format/modifier blob
2017-08-01 17:50:06 +01:00
drm_mode_object.c
drm: Handle properties in the core for atomic drivers
2017-08-08 14:45:09 +02:00
drm_modes.c
drm/modes: Fix drm_mode_is_420_only() comment
2017-07-31 14:23:30 +02:00
drm_modeset_helper.c
drm: Plumb modifiers through plane init
2017-08-01 17:50:06 +01:00
drm_modeset_lock.c
drm: Improve kerneldoc for drm_modeset_lock
2017-07-26 13:45:08 +02:00
drm_of.c
drm: Convert to using %pOF instead of full_name
2017-07-26 13:45:06 +02:00
drm_panel.c
…
drm_pci.c
drm/pci: Deprecate drm_pci_init/exit completely
2017-06-20 10:41:03 +02:00
drm_plane_helper.c
…
drm_plane.c
drm: Shift wrap bug in create_in_format_blob()
2017-08-09 10:15:52 -04:00
drm_prime.c
…
drm_print.c
…
drm_probe_helper.c
drm: add helper to validate YCBCR420 modes
2017-07-14 21:23:54 +03:00
drm_property.c
drm: rename, adjust and export drm_atomic_replace_property_blob
2017-07-14 15:53:06 +02:00
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
drm/scdc-helper: Use consistent spelling for TMDS
2017-09-01 19:53:25 +02:00
drm_simple_kms_helper.c
drm: Plumb modifiers through plane init
2017-08-01 17:50:06 +01:00
drm_syncobj.c
Merge airlied/drm-next into drm-misc-next
2017-07-26 13:43:33 +02:00
drm_sysfs.c
…
drm_trace_points.c
…
drm_trace.h
drm: Use correct path to trace include
2017-09-05 11:11:18 +02:00
drm_vblank.c
Merge airlied/drm-next into drm-misc-next
2017-07-26 13:43:33 +02:00
drm_vm.c
drm: Document device unplug infrastructure
2017-08-11 10:48:03 +02:00
drm_vma_manager.c
…
Kconfig
drm/tve200: Add new driver for TVE200
2017-08-23 23:08:36 +02:00
Makefile
drm: Use correct path to trace include
2017-09-05 11:11:18 +02:00