From: Chunming Zhou <david1.zhou@amd.com>
Date: Wed, 30 May 2018 11:12:08 +0800
Subject: drm/amdgpu: gds bo must not be per-vm-bo
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Git-commit: ee5309d5f3eba16d7901d29179d03d4336319fc0
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
In per-vm-bo case, there could be no bo list.
But gds bo created from user space must be passed to bo list.
So adding a check to prevent to creat gds bo as per-vm-bo.
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -236,6 +236,13 @@ int amdgpu_gem_create_ioctl(struct drm_d
/* create a gem object to contain this object in */
if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS |
AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
+ if (flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID) {
+ /* if gds bo is created from user space, it must be
+ * passed to bo list
+ */
+ DRM_ERROR("GDS bo cannot be per-vm-bo\n");
+ return -EINVAL;
+ }
flags |= AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
if (args->in.domains == AMDGPU_GEM_DOMAIN_GDS)
size = size << AMDGPU_GDS_SHIFT;