diff options
| author | Imre Deak <imre.deak@intel.com> | 2024-02-20 23:18:24 +0200 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2024-02-27 17:34:14 +0200 |
| commit | d1e217d44b406e005a9dbca78c74a35b3da1a300 (patch) | |
| tree | 4a6e6eea861c7a659731f6612fa8d083cdce001c /drivers/gpu/drm/i915/display/intel_dp.h | |
| parent | 1dd9d86ab60b9810cc99640fa7ebe42e1b9c8b4f (diff) | |
drm/i915/dp: Add support to notify MST connectors to retry modesets
On shared (Thunderbolt) links with DP tunnels, the modeset may need to
be retried on all connectors on the link due to a link BW limitation
arising only after the atomic check phase. To support this add a helper
function queuing a work to retry the modeset on a given port's connector
and at the same time any MST connector with streams through the same
port. A follow-up change enabling the DP tunnel Bandwidth Allocation
Mode will take this into use.
v2:
- Send the uevent only to enabled MST connectors. (Jouni)
Cc: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240220211841.448846-5-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 530cc97bc42f..e2875e03afba 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -43,6 +43,12 @@ void intel_dp_adjust_compliance_config(struct intel_dp *intel_dp, bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); int intel_dp_min_bpp(enum intel_output_format output_format); +void intel_dp_init_modeset_retry_work(struct intel_connector *connector); +void intel_dp_queue_modeset_retry_work(struct intel_connector *connector); +void +intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); bool intel_dp_init_connector(struct intel_digital_port *dig_port, struct intel_connector *intel_connector); void intel_dp_set_link_params(struct intel_dp *intel_dp, |