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* [PATCH] drm/i915/lnl: Modeset sequence change for DP on LNL
@ 2024-02-28 16:11 Shekhar Chauhan
  2024-02-28 16:18 ` ✓ CI.Patch_applied: success for " Patchwork
                   ` (7 more replies)
  0 siblings, 8 replies; 10+ messages in thread
From: Shekhar Chauhan @ 2024-02-28 16:11 UTC (permalink / raw)
  To: intel-xe; +Cc: matthew.d.roper, shekhar.chauhan

Currently, the driver is only waiting for 1ms for
idle patterns. But starting from LNL and beyond,
the MST wants the driver to wait for 1640us before
timing out (which we round up to 2ms).

BSpec: 68849
Signed-off-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
---
 drivers/gpu/drm/i915/display/intel_ddi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index bea441590204..05ba3642d486 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -3680,7 +3680,7 @@ static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp,
 
 	if (intel_de_wait_for_set(dev_priv,
 				  dp_tp_status_reg(encoder, crtc_state),
-				  DP_TP_STATUS_IDLE_DONE, 1))
+				  DP_TP_STATUS_IDLE_DONE, 2))
 		drm_err(&dev_priv->drm,
 			"Timed out waiting for DP idle patterns\n");
 }
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2024-02-29 12:27 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-02-28 16:11 [PATCH] drm/i915/lnl: Modeset sequence change for DP on LNL Shekhar Chauhan
2024-02-28 16:18 ` ✓ CI.Patch_applied: success for " Patchwork
2024-02-28 16:19 ` ✓ CI.checkpatch: " Patchwork
2024-02-28 16:20 ` ✓ CI.KUnit: " Patchwork
2024-02-28 16:31 ` ✓ CI.Build: " Patchwork
2024-02-28 16:32 ` ✓ CI.Hooks: " Patchwork
2024-02-28 16:33 ` ✗ CI.checksparse: warning " Patchwork
2024-02-28 16:44 ` [PATCH] " Gustavo Sousa
2024-02-28 16:51   ` Chauhan, Shekhar
2024-02-29 12:26 ` Jani Nikula

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