From 31815730732a5d2a446aa316a5b4d837766762e6 Mon Sep 17 00:00:00 2001 From: Oliver McFadden Date: Fri, 8 Jun 2007 19:40:57 +0000 Subject: r300: Added the CP maximum fetch size and ring rptr update variables. --- shared-core/radeon_cp.c | 16 ++++++++++++++-- shared-core/radeon_drv.h | 10 ++++++++-- 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; -- cgit v1.2.3