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authorMarek Olšák <[email protected]>2017-04-22 14:47:03 +0200
committerMarek Olšák <[email protected]>2017-04-26 13:08:05 +0200
commit3f2a0649abc982fe5de647a96fbe354aa9e41a59 (patch)
tree76b71731f3ff02c7c547d44e99a92b7f2c495cf5
parent80814819c28353a38c03d4cdba39983b8cf260ac (diff)
radeonsi: adjust ESGS ring buffer size computation on VI
Cc: 17.0 17.1 <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]>
-rw-r--r--src/gallium/drivers/radeonsi/si_state_shaders.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 34cd6d46315..3a604eb660a 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -2115,7 +2115,10 @@ static bool si_update_gs_ring_buffers(struct si_context *sctx)
unsigned num_se = sctx->screen->b.info.max_se;
unsigned wave_size = 64;
unsigned max_gs_waves = 32 * num_se; /* max 32 per SE on GCN */
- unsigned gs_vertex_reuse = 16 * num_se; /* GS_VERTEX_REUSE register (per SE) */
+ /* On SI-CI, the value comes from VGT_GS_VERTEX_REUSE = 16.
+ * On VI+, the value comes from VGT_VERTEX_REUSE_BLOCK_CNTL = 30 (+2).
+ */
+ unsigned gs_vertex_reuse = (sctx->b.chip_class >= VI ? 32 : 16) * num_se;
unsigned alignment = 256 * num_se;
/* The maximum size is 63.999 MB per SE. */
unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se;