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authorBen Skeggs <bskeggs@redhat.com>2017-01-24 09:32:26 +1000
committerBen Skeggs <bskeggs@redhat.com>2017-01-31 20:05:26 +1000
commit2b5078937355c0d662ecef54b7d4d04f48da4fa9 (patch)
tree9e75490ab352bf7d2e4a689ee761656d3dafc7d1 /drivers
parent24bf7ae359b8cca165bb30742d2b1c03a1eb23af (diff)
drm/nouveau/kms/nv50: request vblank events for commits that send completion events
This somehow fixes an issue where sync-to-vblank longer works correctly after resume from suspend. From a HW perspective, we don't need the IRQs turned on to be able to detect flip completion, so it's assumed that this is required for the voodoo in the core DRM vblank core. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 2c2c64507661..32097fd615fd 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -4052,6 +4052,11 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
}
}
+ for_each_crtc_in_state(state, crtc, crtc_state, i) {
+ if (crtc->state->event)
+ drm_crtc_vblank_get(crtc);
+ }
+
/* Update plane(s). */
for_each_plane_in_state(state, plane, plane_state, i) {
struct nv50_wndw_atom *asyw = nv50_wndw_atom(plane->state);
@@ -4101,6 +4106,7 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
drm_crtc_send_vblank_event(crtc, crtc->state->event);
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
crtc->state->event = NULL;
+ drm_crtc_vblank_put(crtc);
}
}