We'd need X to queue up an async pageflip while another is
outstanding, and then take a SIGIO. I think X actually avoids sending
out the next pageflip while one's already queued, but I'm not sure.
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 68227cc..bb74cb9 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -527,6 +527,7 @@ static int vc4_async_page_flip(struct drm_crtc *crtc,
/* Make sure all other async modesetes have landed. */
ret = down_interruptible(&vc4->async_modeset);
if (ret) {
+ drm_framebuffer_unreference(fb);
kfree(flip_state);
return ret;
}
--
2.7.0
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