This is the maximum value allowed for this field.
---
 src/gallium/drivers/radeonsi/si_compute.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_compute.c 
b/src/gallium/drivers/radeonsi/si_compute.c
index 6ddb478..bf935dc 100644
--- a/src/gallium/drivers/radeonsi/si_compute.c
+++ b/src/gallium/drivers/radeonsi/si_compute.c
@@ -371,6 +371,9 @@ static void si_launch_grid(
                | S_00B85C_SH1_CU_EN(0xffff /* Default value */))
                ;
 
+       num_waves_for_scratch =
+               MIN2(num_waves_for_scratch,
+                    32 * sctx->screen->b.info.max_compute_units);
        si_pm4_set_reg(pm4, R_00B860_COMPUTE_TMPRING_SIZE,
                /* The maximum value for WAVES is 32 * num CU.
                 * If you program this value incorrectly, the GPU will hang if
-- 
2.0.4

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