diff options
author | Aparna Das <aparnad@nvidia.com> | 2016-12-12 15:28:59 -0500 |
---|---|---|
committer | Deepak Nibade <dnibade@nvidia.com> | 2016-12-27 04:56:53 -0500 |
commit | f41740bf08c77f54561f1b957fe552d8234524b7 (patch) | |
tree | e56a795d669dddd3c720b9dd7e806aa8e58c7b29 /drivers/gpu/nvgpu | |
parent | 7e2d79cd65cd1c0dc32b161f6309d51e4bd5b630 (diff) |
gpu: nvgpu: vgpu: no support for sparse mapping
Currently sparse mapping is not supported for gp10b
in virtualized environment. Modify gpu characteristics
to reflect non-implementation of this functionality.
Also fix return value in vgpu_gp10b_locked_gmmu_map()
on error condition.
Bug 200243373
Change-Id: Ia367b923b87738a5cad0617cdb074f5a24fb1c81
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: http://git-master/r/1269710
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu')
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c b/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c index 8be6b19c..66fda2d9 100644 --- a/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c +++ b/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c | |||
@@ -74,10 +74,10 @@ static u64 vgpu_gp10b_locked_gmmu_map(struct vm_gk20a *vm, | |||
74 | /* FIXME: add support for sparse mappings */ | 74 | /* FIXME: add support for sparse mappings */ |
75 | 75 | ||
76 | if (WARN_ON(!sgt) || WARN_ON(!g->mm.bypass_smmu)) | 76 | if (WARN_ON(!sgt) || WARN_ON(!g->mm.bypass_smmu)) |
77 | return -EINVAL; | 77 | return 0; |
78 | 78 | ||
79 | if (space_to_skip & (page_size - 1)) | 79 | if (space_to_skip & (page_size - 1)) |
80 | return -EINVAL; | 80 | return 0; |
81 | 81 | ||
82 | /* Allocate (or validate when map_offset != 0) the virtual address. */ | 82 | /* Allocate (or validate when map_offset != 0) the virtual address. */ |
83 | if (!map_offset) { | 83 | if (!map_offset) { |
@@ -182,4 +182,7 @@ void vgpu_gp10b_init_mm_ops(struct gpu_ops *gops) | |||
182 | 182 | ||
183 | gops->mm.gmmu_map = vgpu_gp10b_locked_gmmu_map; | 183 | gops->mm.gmmu_map = vgpu_gp10b_locked_gmmu_map; |
184 | gops->mm.init_mm_setup_hw = vgpu_gp10b_init_mm_setup_hw; | 184 | gops->mm.init_mm_setup_hw = vgpu_gp10b_init_mm_setup_hw; |
185 | |||
186 | /* FIXME: add support for sparse mappings */ | ||
187 | gops->mm.support_sparse = NULL; | ||
185 | } | 188 | } |