Commit 1e209117 authored by Dave Airlie's avatar Dave Airlie
Browse files

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: default avatarDave Airlie <airlied@redhat.com>
parent c9fdda2a

drivers/gpu/drm/qxl/qxl_cmd.c

+7 −2
Original line number Diff line number Diff line
@@ -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);

drivers/gpu/drm/qxl/qxl_drv.h

+2 −0
Original line number Diff line number Diff line
@@ -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)