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e1a29c6c59
linux/include/drm
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Andrzej Pietrasiewicz e1a29c6c59 drm: Add ddc link in sysfs created by drm_connector 
Add generic code which creates symbolic links in sysfs, pointing to ddc
interface used by a particular video output. For example:

ls -l /sys/class/drm/card0-HDMI-A-1/ddc
lrwxrwxrwx 1 root root 0 Jun 24 10:42 /sys/class/drm/card0-HDMI-A-1/ddc \
	-> ../../../../soc/13880000.i2c/i2c-2

This makes it easy for user to associate a display with its ddc adapter
and use e.g. ddcutil to control the chosen monitor.

This patch adds an i2c_adapter pointer to struct drm_connector. Particular
drivers can then use it instead of using their own private instance. If a
connector contains a ddc, then create a symbolic link in sysfs.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d470def6cd661b777faeee67b5838a4623c4010e.1564161140.git.andrzej.p@collabora.com
2019-07-31 16:26:33 +02:00
..
bridge drm/rockchip: Use the helpers for PSR 2019-07-26 14:48:03 -04:00
i2c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ttm Revert "Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next" 2019-07-16 04:07:13 +10:00
amd_asic_type.h drm/amdgpu: add navi10 asic type 2019-06-20 15:54:56 -05:00
ati_pcigart.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_agpsupport.h drm/agp: Remove unused function drm_agp_bind_pages 2019-07-15 18:11:30 +02:00
drm_atomic_helper.h drm/atomic: Move __drm_atomic_helper_disable_plane/set_config() 2019-06-08 16:46:37 +02:00
drm_atomic_state_helper.h drm/atomic: Add a function to reset connector TV properties 2019-06-19 12:17:52 +02:00
drm_atomic_uapi.h drm: extract drm_atomic_uapi.c 2018-09-09 14:19:18 +02:00
drm_atomic.h drm: Add helpers to kick off self refresh mode in drivers 2019-06-13 14:31:10 -04:00
drm_audio_component.h Prep patches + headers for the mei-hdcp/i915 component interfaces 2019-02-20 11:53:48 +02:00
drm_auth.h drm: make drm/drm_auth.h self contained 2019-05-27 18:05:44 +02:00
drm_blend.h drm: Add per-plane pixel blend mode property 2018-08-24 17:31:37 +01:00
drm_bridge.h drm-misc-next for v5.3: 2019-06-14 11:44:24 +02:00
drm_cache.h drm: change func to better detect wether swiotlb is needed 2019-02-20 13:29:29 +01:00
drm_client.h drm/client: Support unmapping of DRM client buffers 2019-07-09 10:23:58 +02:00
drm_color_mgmt.h drm: Constify drm_color_lut_check() 2019-01-29 23:26:12 +02:00
drm_connector.h drm: Add ddc link in sysfs created by drm_connector 2019-07-31 16:26:33 +02:00
drm_crtc_helper.h drm: Split out drm_probe_helper.h 2019-01-24 13:20:42 +01:00
drm_crtc.h drm: Add helpers to kick off self refresh mode in drivers 2019-06-13 14:31:10 -04:00
drm_damage_helper.h drm/damage-helper: Add drm_atomic_helper_damage_merged() 2019-01-17 10:56:54 +01:00
drm_debugfs_crc.h drm/crc: Only report a single overflow when a CRC fd is opened 2018-07-06 14:57:03 +02:00
drm_debugfs.h drm: drm_debugfs.h self-contained 2019-06-10 22:30:24 +02:00
drm_device.h drm: Integrate VRAM MM into struct drm_device 2019-05-15 16:17:06 +02:00
drm_displayid.h drm/edid: parse CEA blocks embedded in DisplayID 2019-06-25 14:32:26 +10:00
drm_dp_dual_mode_helper.h
drm_dp_helper.h drm/dp_mst: Enable registration of AUX devices for MST ports 2019-07-25 16:39:35 -04:00
drm_dp_mst_helper.h drm/dp_mst: Enable registration of AUX devices for MST ports 2019-07-25 16:39:35 -04:00
drm_drv.h drm/prime: Ditch gem_prime_res_obj hook 2019-07-31 10:19:23 +02:00
drm_dsc.h drm/dsc: Split DSC PPS and SDP header initialisations 2019-03-05 13:24:34 -05:00
drm_edid.h Linux 5.2-rc5 2019-06-19 12:07:29 +02:00
drm_encoder_slave.h drm: remove include of drmP.h from drm_encoder_slave.h 2019-01-09 22:35:35 +01:00
drm_encoder.h drm: Add drm/drm_util.h header file 2018-09-09 14:18:11 +02:00
drm_fb_cma_helper.h drm/cma-helper: Remove unused fbdev code 2019-01-17 10:56:38 +01:00
drm_fb_helper.h drm/fb-helper: Prepare to move out modeset config code 2019-06-11 14:47:17 +02:00
drm_file.h drm/legacy: remove some legacy lock struct members 2019-04-24 12:36:32 +10:00
drm_fixed.h
drm_flip_work.h
drm_format_helper.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
drm_fourcc.h drm/fourcc: Fix the parameters name in the documentation 2019-05-21 16:58:05 +02:00
drm_framebuffer.h drm/fb: document dirty helper better 2019-06-11 18:02:48 +02:00
drm_gem_cma_helper.h drm: remove drmP.h from drm_gem_cma_helper.h 2019-01-09 22:54:08 +01:00
drm_gem_framebuffer_helper.h drm/fb: remove unused function: drm_gem_fbdev_fb_create() 2019-07-21 19:32:38 +02:00
drm_gem_shmem_helper.h drm: Add library for shmem backed GEM objects 2019-03-14 12:06:44 -07:00
drm_gem_vram_helper.h drm/vram: Don't export driver callback functions for PRIME 2019-07-03 09:32:36 +02:00
drm_gem.h Revert "drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset()" 2019-07-03 16:38:50 -06:00
drm_hashtab.h
drm_hdcp.h drm/hdcp: gathering hdcp related code into drm_hdcp.c 2019-05-09 09:44:41 +02:00
drm_ioctl.h drm/ioctl: Ditch DRM_UNLOCKED except for the legacy vblank ioctl 2019-06-21 19:13:10 +02:00
drm_irq.h
drm_lease.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
drm_legacy.h drm: make drm/drm_legacy.h self-contained 2019-05-27 18:06:15 +02:00
drm_mipi_dbi.h drm/tinydrm: Move mipi-dbi 2019-07-25 10:45:07 +02:00
drm_mipi_dsi.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
drm_mm.h drm/mm: Add a search-by-address variant to only inspect a single hole 2018-05-24 15:04:30 +01:00
drm_mode_config.h drm/fb-helper: Instanciate shadow FB if configured in device's mode_config 2019-07-09 10:25:02 +02:00
drm_mode_object.h drm: remove drm_mode_object_{un/reference} aliases 2018-03-19 09:09:46 -04:00
drm_modes.h drm/selftests: reduce stack usage 2019-07-01 09:50:58 +02:00
drm_modeset_helper_vtables.h Linux 5.2-rc5 2019-06-19 12:07:29 +02:00
drm_modeset_helper.h drm: remove drmP.h from drm_modeset_helper.h 2019-02-07 21:48:34 +01:00
drm_modeset_lock.h drm: Trivial comment grammar cleanups 2019-02-04 10:21:17 +01:00
drm_of.h drm: of: Export and rename drm_crtc_port_mask() 2018-06-27 21:44:04 +02:00
drm_os_linux.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_panel.h drm/panel: make drm_panel.h self-contained 2019-07-19 23:23:56 +02:00
drm_pci.h drm: drop drm_pcie_get_speed_cap_mask and drm_pcie_get_max_link_width 2018-07-05 16:40:00 -05:00
drm_pciids.h drm/radeon: change SPDX identifier to MIT 2018-10-15 16:16:12 -05:00
drm_plane_helper.h drm: Unexport drm_plane_helper_check_update 2018-10-05 22:45:19 +02:00
drm_plane.h drm/docs: More links for implicit/explicit fencing. 2019-06-03 17:11:33 +02:00
drm_prime.h drm/prime: Align gem_prime_export with obj_funcs.export 2019-06-21 17:30:49 +02:00
drm_print.h drm: fix build errors with drm_print.h 2019-06-10 22:58:53 +02:00
drm_probe_helper.h drm: Split out drm_probe_helper.h 2019-01-24 13:20:42 +01:00
drm_property.h drm: Fix kernel doc for DRM_MODE_PROP_IMMUTABLE 2018-10-03 13:05:12 -07:00
drm_rect.h drm: Nuke drm_calc_{h,v}scale_relaxed() 2019-02-07 13:14:06 +02:00
drm_scdc_helper.h
drm_self_refresh_helper.h drm: Add helpers to kick off self refresh mode in drivers 2019-06-13 14:31:10 -04:00
drm_simple_kms_helper.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
drm_syncobj.h drm/syncobj: add new drm_syncobj_add_point interface v4 2019-04-01 12:05:53 +02:00
drm_sysfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_util.h drm: fix drm_can_sleep() comment 2019-01-21 10:30:12 +01:00
drm_utils.h drm: export drm_timeout_abs_to_jiffies 2019-03-07 12:00:30 -06:00
drm_vblank.h drm: drop uapi dependency from drm_vblank.h 2019-07-19 23:24:16 +02:00
drm_vma_manager.h drm: increase drm mmap_range size to 1TB 2019-04-24 16:20:23 -05:00
drm_vram_mm_helper.h drm: add missing include to drm_vram_mm_helper.h 2019-07-15 18:11:31 +02:00
drm_writeback.h drm: writeback: Add job prepare and cleanup operations 2019-03-18 17:24:38 +02:00
drmP.h drm next pull request for 5.1 2019-03-08 08:23:15 -08:00
gma_drm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
gpu_scheduler.h drm/scheduler: Add flag to hint the release of guilty job. 2019-05-02 15:50:55 -05:00
i915_component.h drm/i915: MEI interface definition 2019-02-15 18:56:35 +01:00
i915_drm.h drm/i915: enum port definition is moved into i915_drm.h 2019-02-15 18:56:35 +01:00
i915_mei_hdcp_interface.h drm/i915: header for i915 - MEI_HDCP interface 2019-02-15 18:56:35 +01:00
i915_pciids.h drm/i915/icl: More workaround for port F detection due to broken VBTs 2019-05-14 13:46:59 +03:00
intel_lpe_audio.h
intel-gtt.h drm: include kernel.h and agp_backend.h from intel-gtt.h 2019-01-02 11:37:47 +02:00
spsc_queue.h drm: move amd_gpu_scheduler into common location 2017-12-07 11:51:56 -05:00