From c16436149c1ca78f86ba992977fe6083b732bc1d Mon Sep 17 00:00:00 2001 From: Tom Stellard Date: Fri, 5 Dec 2014 23:59:11 +0000 Subject: [PATCH] radeonsi/compute: Clamp COMPUTE_TMPRING_SIZE.WAVES to: num_cu * 32 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 6ddb47896c5..bf935dcfee7 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 -- 2.30.2