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| author | Chunming Zhou <david1.zhou@amd.com> | 2018-02-09 10:44:09 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-13 13:33:32 -0500 |
| commit | fd5fd480dd8fe4910546e7b080b3ae345e57fe9f (patch) | |
| tree | 3eff145418a91d1fd03a226763c122dee882bb15 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 82626363a217d79128c447ab296777b461e9f050 (diff) | |
| download | lwn-fd5fd480dd8fe4910546e7b080b3ae345e57fe9f.tar.gz lwn-fd5fd480dd8fe4910546e7b080b3ae345e57fe9f.zip | |
drm/amdgpu: only enable swiotlb alloc when need v2
get the max io mapping address of system memory to see if it is over
our card accessing range.
v2: move checking later
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180209024410.1469-2-david1.zhou@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index d5a2eefd6c3e..31126df06c8c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1504,6 +1504,7 @@ struct amdgpu_device { const struct amdgpu_asic_funcs *asic_funcs; bool shutdown; bool need_dma32; + bool need_swiotlb; bool accel_working; struct work_struct reset_work; struct notifier_block acpi_nb; |