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authorBas Nieuwenhuizen <[email protected]>2016-05-29 18:35:22 +0200
committerBas Nieuwenhuizen <[email protected]>2016-05-30 09:59:50 +0200
commite9d3246a7a74282fbbf95ed077e3c3b7750c8ddd (patch)
tree7224c4178e6df642bff1f17a839488d129e4cf99 /src
parentd8cf982f7d12190012b8917a4f4ad3a01a7f0102 (diff)
radeonsi: Don't offset OFFCHIP_BUFFERING on pre-VI cards.
Signed-off-by: Bas Nieuwenhuizen <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96239 Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/radeonsi/si_state_shaders.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 8ec0470889c..a7af76d81d4 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1819,12 +1819,16 @@ static void si_init_tess_factor_ring(struct si_context *sctx)
/* Append these registers to the init config state. */
if (sctx->b.chip_class >= CIK) {
+ unsigned offchip_buffering = offchip_blocks;
+ if(sctx->b.chip_class >= VI)
+ --offchip_buffering;
+
si_pm4_set_reg(sctx->init_config, R_030938_VGT_TF_RING_SIZE,
S_030938_SIZE(sctx->tf_ring->width0 / 4));
si_pm4_set_reg(sctx->init_config, R_030940_VGT_TF_MEMORY_BASE,
r600_resource(sctx->tf_ring)->gpu_address >> 8);
si_pm4_set_reg(sctx->init_config, R_03093C_VGT_HS_OFFCHIP_PARAM,
- S_03093C_OFFCHIP_BUFFERING(offchip_blocks - 1) |
+ S_03093C_OFFCHIP_BUFFERING(offchip_buffering) |
S_03093C_OFFCHIP_GRANULARITY(V_03093C_X_8K_DWORDS));
} else {
si_pm4_set_reg(sctx->init_config, R_008988_VGT_TF_RING_SIZE,
@@ -1832,7 +1836,7 @@ static void si_init_tess_factor_ring(struct si_context *sctx)
si_pm4_set_reg(sctx->init_config, R_0089B8_VGT_TF_MEMORY_BASE,
r600_resource(sctx->tf_ring)->gpu_address >> 8);
si_pm4_set_reg(sctx->init_config, R_0089B0_VGT_HS_OFFCHIP_PARAM,
- S_0089B0_OFFCHIP_BUFFERING(offchip_blocks - 1));
+ S_0089B0_OFFCHIP_BUFFERING(offchip_blocks));
}
/* Flush the context to re-emit the init_config state.