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| author | Mark Brown <broonie@kernel.org> | 2026-07-27 14:20:48 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-07-27 14:20:48 +0100 |
| commit | 5e92897383648e7db03463109bc0e3db07d99165 (patch) | |
| tree | 5be630a509a5d22a37df033f653545c4352e3655 /include | |
| parent | 9e5dc3352301252e0545f75c3420955cf7727948 (diff) | |
| parent | f0cabcc880aba3f05ca59d735f6d166b7fceca80 (diff) | |
| download | linux-next-5e92897383648e7db03463109bc0e3db07d99165.tar.gz linux-next-5e92897383648e7db03463109bc0e3db07d99165.zip | |
Merge branch 'for-linux-next' of https://gitlab.freedesktop.org/drm/i915/kernel.git
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/display/drm_dp.h | 12 | ||||
| -rw-r--r-- | include/drm/display/drm_dp_tunnel.h | 21 |
2 files changed, 33 insertions, 0 deletions
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index 7154216e0aff..8b0ca36083dd 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -1506,6 +1506,18 @@ #define DP_TUNNELING_MAX_LANE_COUNT 0xe0029 #define DP_TUNNELING_MAX_LANE_COUNT_MASK 0x1f +#define DP_TUNNELING_MAIN_LINK_CHANNEL_CODING 0xe002b +#define DP_128B132B_DP_SUPPORTED (1 << 0) + +#define DP_TUNNELING_128B132B_LINK_RATE 0xe002c +#define DP_TUNNELING_13_5GBPS_PER_LANE_SUPPORT (1 << 2) +#define DP_TUNNELING_20GBPS_PER_LANE_SUPPORT (1 << 1) +#define DP_TUNNELING_10GBPS_PER_LANE_SUPPORT (1 << 0) +#define DP_TUNNELING_128B132B_LINK_RATE_MASK (DP_TUNNELING_10GBPS_PER_LANE_SUPPORT | \ + DP_TUNNELING_13_5GBPS_PER_LANE_SUPPORT | \ + DP_TUNNELING_20GBPS_PER_LANE_SUPPORT) +#define DP_TUNNELING_128B132B_LL_LANE0_MAPPING_SUPPORT (1 << 7) + #define DP_DPTX_BW_ALLOCATION_MODE_CONTROL 0xe0030 #define DP_DISPLAY_DRIVER_BW_ALLOCATION_MODE_ENABLE (1 << 7) #define DP_UNMASK_BW_ALLOCATION_IRQ (1 << 6) diff --git a/include/drm/display/drm_dp_tunnel.h b/include/drm/display/drm_dp_tunnel.h index 57f5e90ba8fd..b5e665560a47 100644 --- a/include/drm/display/drm_dp_tunnel.h +++ b/include/drm/display/drm_dp_tunnel.h @@ -63,6 +63,9 @@ void drm_dp_tunnel_set_io_error(struct drm_dp_tunnel *tunnel); int drm_dp_tunnel_handle_irq(struct drm_dp_tunnel_mgr *mgr, struct drm_dp_aux *aux); +bool drm_dp_tunnel_128b132b_supported(const struct drm_dp_tunnel *tunnel); +bool drm_dp_tunnel_128b132b_lane0_mapping_supported(const struct drm_dp_tunnel *tunnel); +u8 drm_dp_tunnel_128b132b_dprx_rates(const struct drm_dp_tunnel *tunnel); int drm_dp_tunnel_max_dprx_rate(const struct drm_dp_tunnel *tunnel); int drm_dp_tunnel_max_dprx_lane_count(const struct drm_dp_tunnel *tunnel); int drm_dp_tunnel_available_bw(const struct drm_dp_tunnel *tunnel); @@ -173,6 +176,24 @@ drm_dp_tunnel_handle_irq(struct drm_dp_tunnel_mgr *mgr, return -EOPNOTSUPP; } +static inline bool +drm_dp_tunnel_128b132b_supported(const struct drm_dp_tunnel *tunnel) +{ + return false; +} + +static inline bool +drm_dp_tunnel_128b132b_lane0_mapping_supported(const struct drm_dp_tunnel *tunnel) +{ + return false; +} + +static inline u8 +drm_dp_tunnel_128b132b_dprx_rates(const struct drm_dp_tunnel *tunnel) +{ + return 0; +} + static inline int drm_dp_tunnel_max_dprx_rate(const struct drm_dp_tunnel *tunnel) { |