Mesa (main): v3dv: expose correct subgroup size

[GitLab Mirror]

Module: Mesa
Branch: main
Commit: b7cbb382228dceec16a08b734b8fdd652a5b7f1b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b7cbb382228dceec16a08b734b8fdd652a5b7f1b

Author: Iago Toral Quiroga <itoral at igalia.com>
Date:   Tue Jun 22 11:30:11 2021 +0200

v3dv: expose correct subgroup size

Reviewed-by: Alejandro Piñeiro <apinheiro at igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11620>

---

 src/broadcom/vulkan/v3dv_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/broadcom/vulkan/v3dv_device.c b/src/broadcom/vulkan/v3dv_device.c
index 8dbc189099f..091193fd2db 100644
--- a/src/broadcom/vulkan/v3dv_device.c
+++ b/src/broadcom/vulkan/v3dv_device.c
@@ -1406,7 +1406,7 @@ v3dv_GetPhysicalDeviceProperties2(VkPhysicalDevice physicalDevice,
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES: {
          VkPhysicalDeviceSubgroupProperties *props =
             (VkPhysicalDeviceSubgroupProperties *)ext;
-         props->subgroupSize = 1;
+         props->subgroupSize = V3D_CHANNELS;
          props->supportedStages = VK_SHADER_STAGE_COMPUTE_BIT;
          props->supportedOperations = VK_SUBGROUP_FEATURE_BASIC_BIT;
          props->quadOperationsInAllStages = false;