From: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeonsi/si_pipe.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
b/src/gallium/drivers/radeonsi/si_pipe.c
index fa9ee43389a..1cc08c5feed 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -748,21 +748,28 @@ struct pipe_screen *radeonsi_screen_create(struct
radeon_winsys *ws,
if (!debug_get_bool_option("RADEON_DISABLE_PERFCOUNTERS", false))
si_init_perfcounters(sscreen);
/* Determine tessellation ring info. */
bool double_offchip_buffers = sscreen->info.chip_class >= CIK &&
sscreen->info.family != CHIP_CARRIZO &&
sscreen->info.family != CHIP_STONEY;
/* This must be one less than the maximum number due to a hw limitation.
* Various hardware bugs in SI, CIK, and GFX9 need this.
*/
- unsigned max_offchip_buffers_per_se = double_offchip_buffers ? 127 : 63;
+ unsigned max_offchip_buffers_per_se;
+
+ /* Only certain chips can use the maximum value. */
+ if (sscreen->info.family == CHIP_VEGA12)
+ max_offchip_buffers_per_se = double_offchip_buffers ? 128 : 64;
+ else
+ max_offchip_buffers_per_se = double_offchip_buffers ? 127 : 63;
+
unsigned max_offchip_buffers = max_offchip_buffers_per_se *
sscreen->info.max_se;
unsigned offchip_granularity;
/* Hawaii has a bug with offchip buffers > 256 that can be worked
* around by setting 4K granularity.
*/
if (sscreen->info.family == CHIP_HAWAII) {
sscreen->tess_offchip_block_dw_size = 4096;
offchip_granularity = V_03093C_X_4K_DWORDS;
--
2.15.1
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