r300: Added the CP maximum fetch size and ring rptr update variables.

2 files changed, 22 insertions, 4 deletions

diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index e9c635d7..ec2e688b 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -1190,9 +1190,15 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev,
 	/* Set ring buffer size */
 #ifdef __BIG_ENDIAN
 	RADEON_WRITE(RADEON_CP_RB_CNTL,
-		     dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT);
+		     RADEON_BUF_SWAP_32BIT |
+		     (dev_priv->ring.fetch_size_l2ow << 18) |
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
 #else
-	RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw);
+	RADEON_WRITE(RADEON_CP_RB_CNTL,
+		     (dev_priv->ring.fetch_size_l2ow << 18) |
+		     (dev_priv->ring.rptr_update_l2qw << 8) |
+		     dev_priv->ring.size_l2qw);
 #endif
 
 	/* Start with assuming that writeback doesn't work */
@@ -1666,6 +1672,12 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
 	dev_priv->ring.size = init->ring_size;
 	dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
 
+	dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
+	dev_priv->ring.rptr_update_l2qw = drm_order( /* init->rptr_update */ 4096 / 8);
+
+	dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
+	dev_priv->ring.fetch_size_l2ow = drm_order( /* init->fetch_size */ 32 / 16);
+
 	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
 
 	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h
index 68e2b00c..92a9b65e 100644
--- a/shared-core/radeon_drv.h
+++ b/shared-core/radeon_drv.h
@@ -164,8 +164,14 @@ typedef struct drm_radeon_freelist {
 typedef struct drm_radeon_ring_buffer {
 	u32 *start;
 	u32 *end;
-	int size;
-	int size_l2qw;
+	int size; /* Double Words */
+	int size_l2qw; /* log2 Quad Words */
+
+	int rptr_update; /* Double Words */
+	int rptr_update_l2qw; /* log2 Quad Words */
+
+	int fetch_size; /* Double Words */
+	int fetch_size_l2ow; /* log2 Oct Words */
 
 	u32 tail;
 	u32 tail_mask;