[PATCH v8 2/2] drm/i915/display: Set Context Latency at least 1 for psr1/psr2 during vrr
Animesh Manna
animesh.manna at intel.com
Tue Jul 2 05:56:31 UTC 2024
Bspec: 71956
The SCL window (i.e. Window 2) must be non-zero if using
VRR + PSR1/PSR2/PR.
Signed-off-by: Animesh Manna <animesh.manna at intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index cdab71f81eaa..05462af6805f 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3946,12 +3946,12 @@ void intel_crtc_adjust_vblank_delay(struct intel_crtc_state *crtc_state,
/*
* wa_14015401596 for display versions 13, 14.
* Program Set Context Latency in TRANS_SET_CONTEXT_LATENCY register
- * to at least a value of 1 when Panel Replay is enabled with VRR.
+ * to at least a value of 1 when PSR1/PSR2/Panel Replay is enabled with VRR.
* Value for TRANS_SET_CONTEXT_LATENCY is calculated by substracting
* crtc_vdisplay from crtc_vblank_start, so incrementing crtc_vblank_start
* by 1 if both are equal.
*/
- if (crtc_state->vrr.enable && crtc_state->has_panel_replay &&
+ if (crtc_state->vrr.enable && crtc_state->has_psr &&
adjusted_mode->crtc_vblank_start == adjusted_mode->crtc_vdisplay &&
IS_DISPLAY_VER(to_i915(crtc->base.dev), 13, 14))
adjusted_mode->crtc_vblank_start += 1;
--
2.29.0
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