github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-29 10:41:49 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/i915/psr: Add helper to get Async Video timing support in PR active

Browse Source 
Introduce a helper to check if Panel Replay has Async Video Timing support
during PR Active state.

v2: Confirm that Panel Replay is supported before checking for
    Async Video Timing Support during PR active. (Ville)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260527041050.601735-2-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2026-05-27 09:40:39 +05:30
parent c1b58e57b4
commit c33185a35f
2 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/i915/display/intel_psr.c
View File

@ -4695,3 +4695,14 @@ bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state)
return HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display) && crtc_state->has_psr;
}
bool intel_psr_pr_async_video_timing_supported(struct intel_dp *intel_dp)
{
struct intel_connector *connector = intel_dp->attached_connector;
u8 *dpcd = connector->dp.panel_replay_caps.dpcd;
u8 pr_support = dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_SUPPORT)];
u8 pr_cap = dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_CAPABILITY)];
return (pr_support & DP_PANEL_REPLAY_SUPPORT) &&
!(pr_cap & DP_PANEL_REPLAY_ASYNC_VIDEO_TIMING_NOT_SUPPORTED_IN_PR);
}

1
drivers/gpu/drm/i915/display/intel_psr.h
View File

@ -86,5 +86,6 @@ void intel_psr_compute_config_late(struct intel_dp *intel_dp,
struct intel_crtc_state *crtc_state);
int intel_psr_min_guardband(struct intel_crtc_state *crtc_state);
bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state);
bool intel_psr_pr_async_video_timing_supported(struct intel_dp *intel_dp);
#endif /* __INTEL_PSR_H__ */