Scans aren't implemented on SI/CIK.

Cc: 19.2 <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
 src/amd/vulkan/radv_device.c | 3 ++-
 src/amd/vulkan/radv_shader.c | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index cc45ac95c08..4aafe6e78aa 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -383,7 +383,8 @@ radv_physical_device_init(struct radv_physical_device 
*device,
                                          device->rad_info.family == 
CHIP_RENOIR ||
                                          device->rad_info.chip_class >= GFX10;
 
-       device->use_shader_ballot = device->instance->perftest_flags & 
RADV_PERFTEST_SHADER_BALLOT;
+       device->use_shader_ballot = device->rad_info.chip_class >= GFX8 &&
+                                   device->instance->perftest_flags & 
RADV_PERFTEST_SHADER_BALLOT;
 
        /* Determine the number of threads per wave for all stages. */
        device->cs_wave_size = 64;
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 1e6a9a950d8..f2a8ac8abe3 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -297,7 +297,7 @@ radv_shader_compile_to_nir(struct radv_device *device,
                        .lower_ubo_ssbo_access_to_offsets = true,
                        .caps = {
                                .amd_gcn_shader = true,
-                               .amd_shader_ballot = 
device->instance->perftest_flags & RADV_PERFTEST_SHADER_BALLOT,
+                               .amd_shader_ballot = 
device->physical_device->use_shader_ballot,
                                .amd_trinary_minmax = true,
                                .derivative_group = true,
                                .descriptor_array_dynamic_indexing = true,
-- 
2.22.1

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