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| author |   Chunming Zhou <david1.zhou@amd.com> | 2018-02-09 10:44:10 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-02-13 13:35:14 -0500 |
| commit | 1bc3d3cce8c3b44c2b5ac6cee98c830bb40e6b0f (patch) | |
| tree | 007968d3f7aeda3b5be83ced24ce407023728802 /drivers/gpu/drm/radeon/radeon.h | |
| parent | drm/amdgpu: only enable swiotlb alloc when need v2 (diff) | |
| download | linux-dev-1bc3d3cce8c3b44c2b5ac6cee98c830bb40e6b0f.tar.xz linux-dev-1bc3d3cce8c3b44c2b5ac6cee98c830bb40e6b0f.zip | |
drm/radeon: only enable swiotlb path when need v2
swiotlb expands our card accessing range, but its path always is slower
than ttm pool allocation.
So add condition to use it.
v2: move a bit 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/20180209024410.1469-3-david1.zhou@amd.com
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index d34887873dea..4a2eb409aacc 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2387,6 +2387,7 @@ struct radeon_device { struct radeon_dummy_page dummy_page; bool shutdown; bool need_dma32; + bool need_swiotlb; bool accel_working; bool fastfb_working; /* IGP feature*/ bool needs_reset, in_reset; |