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| author | Dave Airlie <airlied@redhat.com> | 2026-05-06 10:54:51 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2026-05-06 10:55:14 +1000 |
| commit | 7a777dccc2d7957f81fec38183abd15254679ac4 (patch) | |
| tree | ca8e96efe3750b0a4825fc59a8c62a65ac52741c /drivers/gpu/drm/display/drm_dp_tunnel.c | |
| parent | 5077f45ecdd6098996c54082c9a4539d5480f8b1 (diff) | |
| parent | 025f89b01ed8d5e65d87ed54f231e10c6ac08188 (diff) | |
| download | linux-next-7a777dccc2d7957f81fec38183abd15254679ac4.tar.gz linux-next-7a777dccc2d7957f81fec38183abd15254679ac4.zip | |
Merge tag 'drm-intel-next-2026-05-05' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
- Enable PIPEDMC_ERROR interrupt (Dibin)
- Some general display fixes and cleanups (Ville, Nemesa,
Suraj, Dibin, Arun, Desnes, Juha-Pekka, Vidya, Julian)
- More refactor to split display code (Jani, Ville, Luca)
- Panel Replay BW optimization (Animesh)
- Integrate the sharpness filter properly into the scaler (Ville)
- Watermark/SAGV fixes/cleanups/etc (Ville)
- Restructure DP/HDMI sink format handling (Ville)
- Eliminate FB usage from low level pinning code (Ville)
- Some initial prep patches for always enable AS SDP (Ankit)
- Many PSR related fixes (Jouni)
- Fix MST VCPI lookup and modeset-lock splat (Suraj)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/afot1cjSpeAjYzg2@intel.com
Diffstat (limited to 'drivers/gpu/drm/display/drm_dp_tunnel.c')
| -rw-r--r-- | drivers/gpu/drm/display/drm_dp_tunnel.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/display/drm_dp_tunnel.c b/drivers/gpu/drm/display/drm_dp_tunnel.c index bb67f1b83626..76c6bc84a806 100644 --- a/drivers/gpu/drm/display/drm_dp_tunnel.c +++ b/drivers/gpu/drm/display/drm_dp_tunnel.c @@ -149,6 +149,7 @@ struct drm_dp_tunnel { bool bw_alloc_enabled:1; bool has_io_error:1; bool destroyed:1; + bool pr_optimization_support:1; }; struct drm_dp_tunnel_group_state; @@ -508,6 +509,8 @@ create_tunnel(struct drm_dp_tunnel_mgr *mgr, tunnel->bw_alloc_supported = tunnel_reg_bw_alloc_supported(regs); tunnel->bw_alloc_enabled = tunnel_reg_bw_alloc_enabled(regs); + tunnel->pr_optimization_support = tunnel_reg(regs, DP_TUNNELING_CAPABILITIES) & + DP_PANEL_REPLAY_OPTIMIZATION_SUPPORT; if (!add_tunnel_to_group(mgr, drv_group_id, tunnel)) { kfree(tunnel); @@ -1036,6 +1039,20 @@ bool drm_dp_tunnel_bw_alloc_is_enabled(const struct drm_dp_tunnel *tunnel) } EXPORT_SYMBOL(drm_dp_tunnel_bw_alloc_is_enabled); +/** + * drm_dp_tunnel_pr_optimization_supported - Query the PR BW optimization support + * @tunnel: Tunnel object + * + * Query if the PR BW optimization is supported for @tunnel. + * + * Returns %true if the PR BW optimiation is supported for @tunnel. + */ +bool drm_dp_tunnel_pr_optimization_supported(const struct drm_dp_tunnel *tunnel) +{ + return tunnel && tunnel->pr_optimization_support; +} +EXPORT_SYMBOL(drm_dp_tunnel_pr_optimization_supported); + static int clear_bw_req_state(struct drm_dp_aux *aux) { u8 bw_req_mask = DP_BW_REQUEST_SUCCEEDED | DP_BW_REQUEST_FAILED; |