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

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This commit is contained in:
Oliver McFadden 2007-06-08 19:40:57 +00:00
parent 7426da7538
commit 3181573073
2 changed files with 22 additions and 4 deletions
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16
shared-core/radeon_cp.c
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@ -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;

10
shared-core/radeon_drv.h
View file

@ -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;