diff options
| author | Mitul Golani <mitulkumar.ajitkumar.golani@intel.com> | 2025-12-23 16:15:36 +0530 |
|---|---|---|
| committer | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2025-12-30 10:02:20 +0530 |
| commit | c4aba65c26fdf15e00b4591b615f5f30ef33633d (patch) | |
| tree | 730905637ed76ba28c367fec92be9351dba44966 /drivers | |
| parent | 5bb6250c34781f3c6856b41454ea83325f2adc1e (diff) | |
drm/i915/display: Wait for VRR PUSH status update
After VRR Push is sent, need to wait till flipline decision boundary
to get Push bit to get cleared.
--v2:
- Adjust delays to vrr vmin vblank delays. (Ankit)
--v3:
- Change intel_vrr_vmin_safe_window_end() so that
intel_dsb_wait_for_delayed_vblank() uses correct delay. (Ankit)
--v4:
- Simplify intel_vrr_vmin_safe_window_end implementation. (Ankit)
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20251223104542.2688548-15-mitulkumar.ajitkumar.golani@intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vrr.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 68b39fe0f7bc..a4a198a28519 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -1095,10 +1095,21 @@ int intel_vrr_safe_window_start(const struct intel_crtc_state *crtc_state) return crtc_state->hw.adjusted_mode.crtc_vdisplay; } +static int +intel_vrr_dcb_vmin_vblank_start(const struct intel_crtc_state *crtc_state) +{ + return (intel_vrr_dcb_vmin_vblank_start_next(crtc_state) < 0) ? + intel_vrr_dcb_vmin_vblank_start_final(crtc_state) : + intel_vrr_dcb_vmin_vblank_start_next(crtc_state); +} + int intel_vrr_vmin_safe_window_end(const struct intel_crtc_state *crtc_state) { - return intel_vrr_vmin_vblank_start(crtc_state) - - crtc_state->set_context_latency; + int vmin_vblank_start = crtc_state->vrr.dc_balance.enable ? + intel_vrr_dcb_vmin_vblank_start(crtc_state) : + intel_vrr_vmin_vblank_start(crtc_state); + + return vmin_vblank_start - crtc_state->set_context_latency; } int intel_vrr_dcb_vmin_vblank_start_next(const struct intel_crtc_state *crtc_state) |