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authorBen Skeggs <bskeggs@redhat.com>2013-03-19 15:20:00 +1000
committerBen Skeggs <bskeggs@redhat.com>2013-03-19 15:26:38 +1000
commitf60b6e7a6078ceae438a95b808be04cd98f9909a (patch)
treec26079d0691e3f284582ccee1f3631878dab73cc /drivers/gpu/drm
parent4fa133954e91b83cfa22947579154c6f16e1b2b4 (diff)
downloadtalos-op-linux-f60b6e7a6078ceae438a95b808be04cd98f9909a.tar.gz
talos-op-linux-f60b6e7a6078ceae438a95b808be04cd98f9909a.zip
drm/nv50/kms: prevent lockdep false-positive in page flipping path
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 2db57990f65c..7f0e6c3f37d1 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -524,6 +524,8 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
swap_interval <<= 4;
if (swap_interval == 0)
swap_interval |= 0x100;
+ if (chan == NULL)
+ evo_sync(crtc->dev);
push = evo_wait(sync, 128);
if (unlikely(push == NULL))
@@ -586,8 +588,6 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
sync->addr ^= 0x10;
sync->data++;
FIRE_RING (chan);
- } else {
- evo_sync(crtc->dev);
}
/* queue the flip */
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