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| author | Eryk Brol <eryk.brol@amd.com> | 2018-12-07 18:25:13 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-26 00:15:36 +0300 |
| commit | b9708648766d8b15003a543ca36863e731b7b1ba (patch) | |
| tree | 442d46c39b114fc2fd107466795d8445d8a88188 /drivers/gpu/drm/amd/display/dc/dc_hw_types.h | |
| parent | 89c4f84b602544e580684fff9a7f869e9b1e4ae5 (diff) | |
| download | linux-b9708648766d8b15003a543ca36863e731b7b1ba.tar.xz | |
drm/amd/display: Introduce DC VM interface
Virtual memory allows display to support flipping to surfaces which
are not allocated contiguously in memory with physical addresses,
instead a 1-4 level page table is used.
This is beneficial because it allows the scattering of large surfaces
to improve memory efficiency and security.
Signed-off-by: Eryk Brol <eryk.brol@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_hw_types.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_hw_types.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h index 04f279a76d70..da55d623647a 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h @@ -97,6 +97,8 @@ struct dc_plane_address { union large_integer chroma_dcc_const_color; } video_progressive; }; + + union large_integer page_table_base; }; struct dc_size { |