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From 07d01f4c8b781b402d9b66fae1b9d4ac377cd76e Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 19 Sep 2023 17:56:25 -0400
Subject: drm/nouveau/kms/nv50-: flush mst disables together
Git-commit: 625ead3d39d7021b3e9a2d0662b8bd0c3b5a7ac2
Patch-mainline: v6.7-rc1
References: jsc#PED-3527 jsc#PED-5475 jsc#PED-6068 jsc#PED-6070 jsc#PED-6116 jsc#PED-6120 jsc#PED-5065 jsc#PED-5477 jsc#PED-5511 jsc#PED-6041 jsc#PED-6069 jsc#PED-6071

- fixes some issues tearing down modes on tiled displays

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-31-lyude@redhat.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 11 +----------
 drivers/gpu/drm/nouveau/dispnv50/disp.h |  1 -
 2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 8a4f94f49453..af2a262945b7 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2088,13 +2088,6 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
 			help->atomic_disable(encoder, state);
 			outp->disabled = true;
 			interlock[NV50_DISP_INTERLOCK_CORE] |= 1;
-			if (outp->flush_disable) {
-				nv50_disp_atomic_commit_wndw(state, interlock);
-				nv50_disp_atomic_commit_core(state, interlock);
-				memset(interlock, 0x00, sizeof(interlock));
-
-				flushed = true;
-			}
 		}
 	}
 
@@ -2380,10 +2373,8 @@ nv50_disp_outp_atomic_check_clr(struct nv50_atom *atom,
 			return PTR_ERR(outp);
 
 		if (outp->encoder->encoder_type == DRM_MODE_ENCODER_DPMST ||
-		    nouveau_encoder(outp->encoder)->dcb->type == DCB_OUTPUT_DP) {
-			outp->flush_disable = true;
+		    nouveau_encoder(outp->encoder)->dcb->type == DCB_OUTPUT_DP)
 			atom->flush_disable = true;
-		}
 		outp->clr.ctrl = true;
 		atom->lock_core = true;
 	}
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.h b/drivers/gpu/drm/nouveau/dispnv50/disp.h
index 42209f5b06f9..1e5601223c75 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.h
@@ -83,7 +83,6 @@ struct nv50_outp_atom {
 	struct list_head head;
 
 	struct drm_encoder *encoder;
-	bool flush_disable;
 
 	bool disabled;
 	bool enabled;
-- 
2.43.0