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authorDave Airlie <airlied@redhat.com>2013-07-04 14:58:45 +1000
committerDave Airlie <airlied@redhat.com>2013-07-05 10:44:17 +1000
commit1e209117dbe00d3d87db1c5266f177eaa60451c8 (patch)
tree4e7e856989cf2c2c0b17bd6717c9be68024e5cc2 /drivers/gpu/drm/qxl
parentc9fdda2a2b7a8875db3eebd89e428aa760afb897 (diff)
downloadblackbird-op-linux-1e209117dbe00d3d87db1c5266f177eaa60451c8.tar.gz
blackbird-op-linux-1e209117dbe00d3d87db1c5266f177eaa60451c8.zip
qxl: add ring prep code for s/r
This prepare the ring code for s/r additions, the release ring will need reinitialising. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/qxl')
-rw-r--r--drivers/gpu/drm/qxl/qxl_cmd.c9
-rw-r--r--drivers/gpu/drm/qxl/qxl_drv.h2
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c
index 92cf1afd60e5..93c2f2cceb51 100644
--- a/drivers/gpu/drm/qxl/qxl_cmd.c
+++ b/drivers/gpu/drm/qxl/qxl_cmd.c
@@ -49,6 +49,11 @@ void qxl_ring_free(struct qxl_ring *ring)
kfree(ring);
}
+void qxl_ring_init_hdr(struct qxl_ring *ring)
+{
+ ring->ring->header.notify_on_prod = ring->n_elements;
+}
+
struct qxl_ring *
qxl_ring_create(struct qxl_ring_header *header,
int element_size,
@@ -69,7 +74,7 @@ qxl_ring_create(struct qxl_ring_header *header,
ring->prod_notify = prod_notify;
ring->push_event = push_event;
if (set_prod_notify)
- header->notify_on_prod = ring->n_elements;
+ qxl_ring_init_hdr(ring);
spin_lock_init(&ring->lock);
return ring;
}
@@ -87,7 +92,7 @@ static int qxl_check_header(struct qxl_ring *ring)
return ret;
}
-static int qxl_check_idle(struct qxl_ring *ring)
+int qxl_check_idle(struct qxl_ring *ring)
{
int ret;
struct qxl_ring_header *header = &(ring->ring->header);
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 056330e5fecf..aec9f1f9c814 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -340,6 +340,8 @@ struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
bool set_prod_notify,
wait_queue_head_t *push_event);
void qxl_ring_free(struct qxl_ring *ring);
+void qxl_ring_init_hdr(struct qxl_ring *ring);
+int qxl_check_idle(struct qxl_ring *ring);
static inline void *
qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical)
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