From 15c0df785b85ccf6cf33f3730dd3b4152b7a49e6 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Wed, 22 Nov 2017 20:13:25 +0100 Subject: [PATCH] radv/winsys: do not try to create a BO list with 0 buffers This happens when all BOs have the RADEON_FLAG_NO_INTERPROCESS_SHARING (DRM version >= 3.23) flag set. This flag is mainly used for reducing overhead on the userspace side because we don't have to put those BOs inside the list. Though, if the driver tries to create a list with 0 buffers inside it, libdrm returns -EINVAL and the app just crashes. This fixes a bunch of CTS dEQP-VK.sparse_resources.* fails (~100). Signed-off-by: Samuel Pitoiset Reviewed-by: Dave Airlie Reviewed-by: Bas Nieuwenhuizen --- src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c index 4e4a82a..67dc4a8 100644 --- a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c +++ b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c @@ -518,7 +518,8 @@ static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws, struct radeon_winsys_cs *extra_cs, amdgpu_bo_list_handle *bo_list) { - int r; + int r = 0; + if (ws->debug_all_bos) { struct radv_amdgpu_winsys_bo *bo; amdgpu_bo_handle *handles; @@ -636,8 +637,13 @@ static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws, } } } - r = amdgpu_bo_list_create(ws->dev, unique_bo_count, handles, - priorities, bo_list); + + if (unique_bo_count > 0) { + r = amdgpu_bo_list_create(ws->dev, unique_bo_count, handles, + priorities, bo_list); + } else { + *bo_list = 0; + } free(handles); free(priorities); -- 2.7.4