diff options
| author | shaoyunl <shaoyun.liu@amd.com> | 2019-03-26 14:47:57 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-04-03 10:00:30 -0500 |
| commit | b4ae4fe6cdbbfedb9e71294a4d9aa2b4a37edf16 (patch) | |
| tree | 711f5febf508766215f5e5aa855b3458e6519871 /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
| parent | c4229c6e37c203fd99397c1bcfe83a2bc1d30d96 (diff) | |
drm/amdgpu: Add preferred_domain check when determine XGMI state
Avoid unnecessary XGMI hight pstate trigger when mapping none-vram memory for peer device
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 61107cfc9af6..d4fcf5475464 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -31,6 +31,7 @@ #include <drm/amdgpu_drm.h> #include "amdgpu.h" #include "amdgpu_display.h" +#include "amdgpu_xgmi.h" void amdgpu_gem_object_free(struct drm_gem_object *gobj) { @@ -668,6 +669,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, struct amdgpu_device *adev = dev->dev_private; struct drm_amdgpu_gem_op *args = data; struct drm_gem_object *gobj; + struct amdgpu_vm_bo_base *base; struct amdgpu_bo *robj; int r; @@ -706,6 +708,15 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, amdgpu_bo_unreserve(robj); break; } + for (base = robj->vm_bo; base; base = base->next) + if (amdgpu_xgmi_same_hive(amdgpu_ttm_adev(robj->tbo.bdev), + amdgpu_ttm_adev(base->vm->root.base.bo->tbo.bdev))) { + r = -EINVAL; + amdgpu_bo_unreserve(robj); + goto out; + } + + robj->preferred_domains = args->value & (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT | AMDGPU_GEM_DOMAIN_CPU); |