[Mesa-dev] [PATCH] radv: Only set the MTYPE flags on GFX9+.

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Sun Oct 8 19:58:23 UTC 2017


Older kernels fail the va_op with this flag set. If the kernel
supports GFX9 usefully, it will also support this flag.

Fixes: e8d57802fea "radv/gfx9: allocate events from uncached VA space"
---
 src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
index d910aae4ba9..bffb76bb331 100644
--- a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
+++ b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
@@ -345,7 +345,7 @@ radv_amdgpu_winsys_bo_create(struct radeon_winsys *_ws,
 
 
 	uint32_t va_flags = 0;
-	if (flags & RADEON_FLAG_VA_UNCACHED)
+	if ((flags & RADEON_FLAG_VA_UNCACHED) && ws->info.chip_class >= GFX9)
 		va_flags |= AMDGPU_VM_MTYPE_UC;
 	r = radv_amdgpu_bo_va_op(ws->dev, buf_handle, 0, size, va, va_flags, AMDGPU_VA_OP_MAP);
 	if (r)
-- 
2.14.2



More information about the mesa-dev mailing list