From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 3 May 2019 02:57:36 +0000 (+1000)
Subject: drm/nouveau/kms/nv50-: fix bug preventing non-vsync'd page flips
X-Git-Tag: v5.2-rc1~48^2~2^2~5
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e4702c01b7b12c0d069058ed2a3eb75edb054556;hp=d2434e4d942c32cadcbdbcd32c58f35098f3b604;p=linux.git

drm/nouveau/kms/nv50-: fix bug preventing non-vsync'd page flips

Accidentally introduced during Volta bring-up.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
index 471a39a077e5..283ff690350e 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
@@ -127,7 +127,7 @@ void
 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
 		    struct nv50_wndw_atom *asyw)
 {
-	if (interlock) {
+	if (interlock[NV50_DISP_INTERLOCK_CORE]) {
 		asyw->image.mode = 0;
 		asyw->image.interval = 1;
 	}