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path: root/drivers/gpu/drm/nouveau/nv50_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_crtc.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_crtc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index f794b4e08f5..c1c57cb3720 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -627,7 +627,7 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
}
}
- ret = RING_SPACE(evo, 17);
+ ret = RING_SPACE(evo, 19);
if (ret)
return ret;
@@ -652,7 +652,10 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
}
BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK082C), 1);
- OUT_RING(evo, 0);
+ OUT_RING (evo, 0);
+ /* required to make display sync channel not hate life */
+ BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, UNK900), 1);
+ OUT_RING (evo, 0x00000311);
/* This is the actual resolution of the mode. */
BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, REAL_RES), 1);