linux/include/drm
Jani Nikula ba3078dad1 drm/dp: add helpers to read link training delays
The link training delays are different and/or available in different
DPCD offsets depending on:

- Clock recovery vs. channel equalization
- DPRX vs. LTTPR
- 128b/132b vs. 8b/10b
- DPCD 1.4+ vs. earlier

Add helpers to get the correct delays in us, reading DPCD if
necessary. This is more straightforward than trying to retrofit the
existing helpers to take 128b/132b into account.

Having to pass in the DPCD receiver cap field seems unavoidable, because
reading it involves checking the revision and reading extended receiver
cap. So unfortunately the interface is mixed cached and read as needed.

v2: Remove delay_us < 0 check and the whole local var (Ville)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211014150059.28957-1-jani.nikula@intel.com
2021-10-19 11:29:51 +03:00
..
bridge drm: bridge: dw-hdmi: Attach to next bridge if available 2021-07-28 16:33:13 +03:00
i2c
ttm drm/ttm: add TTM_TT_FLAG_EXTERNAL_MAPPABLE 2021-09-29 16:18:43 +02:00
amd_asic_type.h drm/amdgpu: add cyan_skillfish asic type 2021-07-23 10:08:00 -04:00
drm_aperture.h drm/aperture: Pass DRM driver structure instead of driver name 2021-07-01 11:11:55 +02:00
drm_atomic.h drm: fix doc warnings in drm_atomic.h 2021-06-04 12:40:01 -04:00
drm_atomic_helper.h drm: automatic legacy gamma support 2020-12-15 15:46:03 +02:00
drm_atomic_state_helper.h drm/bridge: Add a drm_bridge_state object 2020-01-31 16:00:21 +01:00
drm_atomic_uapi.h drm: extract drm_atomic_uapi.c 2018-09-09 14:19:18 +02:00
drm_audio_component.h ALSA: hda/i915 - fix list corruption with concurrent probes 2020-10-09 16:46:04 +02:00
drm_auth.h drm: clarify usage of drm leases 2021-07-29 09:12:01 +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/bridge: Add stubs for devm_drm_of_get_bridge when OF is disabled 2021-09-30 15:54:32 +02:00
drm_bridge_connector.h drm: Add helper to create a connector for a chain of bridges 2020-02-26 13:31:41 +02:00
drm_cache.h drm: Add a prefetching memcpy_from_wc 2021-06-07 16:07:08 +02:00
drm_client.h drm/gem: Store client buffer mappings as struct dma_buf_map 2020-11-09 09:19:45 +01:00
drm_color_mgmt.h drm: Inline drm_color_lut_extract() 2019-11-29 21:29:17 +02:00
drm_connector.h drm/connector: Add support for out-of-band hotplug notification (v3) 2021-08-20 12:35:59 +02:00
drm_crtc.h drm: drm_crc: fix a kernel-doc markup 2021-01-14 15:11:46 +01:00
drm_crtc_helper.h drm: Split out drm_probe_helper.h 2019-01-24 13:20:42 +01:00
drm_damage_helper.h drm/plane: Move drm_plane_enable_fb_damage_clips into core 2021-07-27 12:21:22 +02:00
drm_debugfs.h drm/debugfs: remove checks for return value of drm_debugfs functions. 2020-03-18 17:32:20 +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_device.h drm: IRQ midlayer is now legacy 2021-08-10 20:14:01 +02:00
drm_displayid.h drm/displayid: rename displayid_hdr to displayid_header 2021-03-31 15:42:39 +03:00
drm_dp_aux_bus.h drm: Introduce the DP AUX bus 2021-06-11 12:30:39 -07:00
drm_dp_dual_mode_helper.h drm/dp_dual_mode: Pass drm_device to drm_lspcon_(get|set)_mode() 2021-04-27 18:43:44 -04:00
drm_dp_helper.h drm/dp: add helpers to read link training delays 2021-10-19 11:29:51 +03:00
drm_dp_mst_helper.h drm/dp_mst: Use kHz as link rate units when settig source max link caps at init 2021-05-27 15:30:59 -04:00
drm_drv.h drm: IRQ midlayer is now legacy 2021-08-10 20:14:01 +02:00
drm_dsc.h - Display hotplug fix for gen2/gen3 (Chris) 2021-01-07 12:20:29 +01:00
drm_edid.h drm/edid: Fix drm_edid_encode_panel_id() kerneldoc warning 2021-09-27 17:14:47 -07:00
drm_encoder.h drm/encoder: Add macro drmm_plain_encoder_alloc() 2021-03-29 16:46:43 +01:00
drm_encoder_slave.h drm: remove include of drmP.h from drm_encoder_slave.h 2019-01-09 22:35:35 +01:00
drm_fb_cma_helper.h drm: Add and export function drm_fb_cma_sync_non_coherent 2021-05-25 11:42:09 +01:00
drm_fb_helper.h drm/aperture: Inline fbdev conflict helpers into aperture helpers 2021-04-14 09:00:04 +02:00
drm_file.h drm: add lockdep assert to drm_is_current_master_locked 2021-08-05 12:08:15 +02:00
drm_fixed.h
drm_flip_work.h
drm_format_helper.h drm/format-helper: Add drm_fb_xrgb8888_to_rgb888() 2021-10-04 12:04:19 +02:00
drm_fourcc.h drm: Define DRM_FORMAT_MAX_PLANES 2021-08-02 16:41:20 +02:00
drm_framebuffer.h drm: Define DRM_FORMAT_MAX_PLANES 2021-08-02 16:41:20 +02:00
drm_gem.h drm: Drop drm_gem_object_put_locked() 2021-07-27 18:09:18 -07:00
drm_gem_atomic_helper.h drm/gem: Provide offset-adjusted framebuffer BO mappings 2021-08-08 20:26:16 +02:00
drm_gem_cma_helper.h drm: Add support for GEM buffers backed by non-coherent memory 2021-05-25 11:41:07 +01:00
drm_gem_framebuffer_helper.h drm/gem: Provide offset-adjusted framebuffer BO mappings 2021-08-08 20:26:16 +02:00
drm_gem_shmem_helper.h drm/shmem-helper: Removed drm_gem_shmem_create_object_cached() 2020-11-24 09:10:33 +01:00
drm_gem_ttm_helper.h drm/gem-ttm-helper: Provide helper for struct drm_driver.dumb_map_offset 2021-04-11 20:14:45 +02:00
drm_gem_vram_helper.h drm/vram-helper: Unexport drm_vram_helper_{alloc,release}_mm() 2021-07-05 08:55:11 +02:00
drm_hashtab.h
drm_hdcp.h drm/hdcp: DP HDCP2.2 errata LC_Send_L_Prime=16 2021-03-31 14:27:43 +03:00
drm_ioctl.h drm: unexport drm_ioctl_permit 2021-08-13 17:50:48 +02:00
drm_lease.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
drm_legacy.h drm: IRQ midlayer is now legacy 2021-08-10 20:14:01 +02:00
drm_managed.h drm: Remove drmm_add_final_kfree() declaration from public headers 2020-12-05 20:01:12 +01:00
drm_mipi_dbi.h drm/dbi: Print errors for mipi_dbi_command() 2021-07-05 00:22:51 +02:00
drm_mipi_dsi.h drm/mipi-dsi: Create devm device attachment 2021-09-24 19:25:33 +02:00
drm_mm.h drm: fix spelling error in comments 2020-09-17 13:39:44 +02:00
drm_mode_config.h drm: Improve the output_poll_changed description 2021-09-03 11:45:45 +02:00
drm_mode_object.h
drm_modes.h drm/modes: add non-OF stub for of_get_drm_display_mode 2021-01-08 19:42:14 +01:00
drm_modeset_helper.h drm: remove drmP.h from drm_modeset_helper.h 2019-02-07 21:48:34 +01:00
drm_modeset_helper_vtables.h drm/atomic-helper: make drm_gem_plane_helper_prepare_fb the default 2021-06-24 15:35:13 +02:00
drm_modeset_lock.h Revert "drm: cleanup: remove drm_modeset_(un)lock_all()" 2021-10-04 09:34:55 -04:00
drm_of.h drm: of: Fix linking when CONFIG_OF is not set 2020-01-09 10:40:58 +10:00
drm_panel.h drm/dp: Move panel DP AUX backlight support to drm_dp_helper 2021-07-13 06:38:37 -07:00
drm_pciids.h drm/radeon: change SPDX identifier to MIT 2018-10-15 16:16:12 -05:00
drm_plane.h drm/plane: Fix comment typo 2021-08-29 21:31:51 +02:00
drm_plane_helper.h drm: Unexport drm_plane_helper_check_update 2018-10-05 22:45:19 +02:00
drm_prime.h drm/prime: split array import functions v4 2020-11-30 15:00:45 +01:00
drm_print.h drm/print: Add deprecation notes to DRM_...() functions 2021-09-24 14:56:56 -07:00
drm_probe_helper.h drm/probe-helper: Create a HPD IRQ event helper for a single connector 2021-09-28 12:29:13 +02:00
drm_property.h drm: document drm_property_enum.value for bitfields 2021-07-26 10:08:22 +02:00
drm_rect.h drm/plane: remove drm_helper_get_plane_damage_clips 2021-07-27 12:21:22 +02:00
drm_scdc_helper.h drm/scdc: Fix typo in bit definition of SCDC_STATUS_FLAGS 2019-11-04 17:58:46 +01:00
drm_self_refresh_helper.h drm/atomic: fix self-refresh helpers crtc state dereference 2019-11-06 13:00:21 -05:00
drm_simple_kms_helper.h drm/simple-kms: Support custom CRTC state 2021-08-08 20:14:08 +02:00
drm_syncobj.h drm/syncobj: add new drm_syncobj_add_point interface v4 2019-04-01 12:05:53 +02:00
drm_sysfs.h drm: uevent for connector status change 2019-08-06 13:16:54 +05:30
drm_util.h drm: Move EXPORT_SYMBOL_FOR_TESTS_ONLY under a separate Kconfig 2019-11-07 21:22:15 +00:00
drm_utils.h drm: export drm_timeout_abs_to_jiffies 2019-03-07 12:00:30 -06:00
drm_vblank.h drm/vblank: Document drm_crtc_vblank_restore constraints 2021-02-10 12:38:55 +01:00
drm_vblank_work.h drm/vblank: Add vblank works 2020-07-16 18:16:31 -04:00
drm_vma_manager.h drm/vma: Add a driver_private member to vma_node. 2021-06-11 10:53:18 +02:00
drm_writeback.h drm/writeback: wire drm_writeback.h to kernel-doc 2020-04-07 17:39:46 +02:00
gma_drm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
gpu_scheduler.h drm/sched: Fix drm_sched_fence_free() so it can be passed an uninitialized fence 2021-09-07 09:58:26 +02:00
gud.h drm/gud: Add GUD_PIXEL_FORMAT_RGB888 2021-10-04 12:06:14 +02:00
i915_component.h drm/i915/tgl: Add additional ports for Tiger Lake 2019-07-11 16:31:14 -07:00
i915_drm.h drm: Move port definition back to i915 header 2019-08-30 14:08:26 +05:30
i915_mei_hdcp_interface.h drm/i915: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
i915_pciids.h drm/i915/adl_p: Add PCI Devices IDs 2021-05-07 10:51:38 +03:00
intel-gtt.h iommu/vt-d: Move intel_iommu_gfx_mapped to Intel IOMMU header 2020-09-04 12:12:45 +02:00
intel_lpe_audio.h
spsc_queue.h
task_barrier.h drm: Add Reusable task barrier. 2019-12-18 16:09:12 -05:00