radv: Fix off by one for S_028C48_MAX_ALLOC_COUNT.

Reviewed-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index d48ed804e631a26b3456166b535776138d4fd532..701b2398b500d24ef42133879233f8f50ed25ce1 100644 (file)
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -454,7 +454,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
                }
 
                radeon_set_context_reg(cs, R_028C48_PA_SC_BINNER_CNTL_1,
-                                      S_028C48_MAX_ALLOC_COUNT(max_alloc_count) |
+                                      S_028C48_MAX_ALLOC_COUNT(max_alloc_count - 1) |
                                       S_028C48_MAX_PRIM_PER_BATCH(1023));
                radeon_set_context_reg(cs, R_028C4C_PA_SC_CONSERVATIVE_RASTERIZATION_CNTL,
                                       S_028C4C_NULL_SQUAD_AA_MASK_ENABLE(1));