[Mesa-stable] [PATCH] radv: only expose VK_SUBGROUP_FEATURE_ARITHMETIC_BIT for VI+

Samuel Pitoiset samuel.pitoiset at gmail.com
Wed Nov 7 16:06:27 UTC 2018


Inclusive and exclusives scan are missing because older chips
don't have llvm.amdgcn.update.dpp.

This fixes crashes with dEQP-VK.subgroups.arithmetic.*.

CC: mesa-stable at lists.freedesktop.org
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/vulkan/radv_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index d68111c25b..92254bed2e 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -1058,12 +1058,12 @@ void radv_GetPhysicalDeviceProperties2(
 			 * is fixed in LLVM.
 			 */
 			properties->supportedOperations =
-							VK_SUBGROUP_FEATURE_ARITHMETIC_BIT |
 							VK_SUBGROUP_FEATURE_BASIC_BIT |
 							VK_SUBGROUP_FEATURE_BALLOT_BIT |
 							VK_SUBGROUP_FEATURE_QUAD_BIT;
 			if (pdevice->rad_info.chip_class >= VI) {
 				properties->supportedOperations |=
+							VK_SUBGROUP_FEATURE_ARITHMETIC_BIT |
 							VK_SUBGROUP_FEATURE_SHUFFLE_BIT |
 							VK_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT;
 			}
-- 
2.19.1



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