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| author | Eryk Brol <eryk.brol@amd.com> | 2018-12-07 10:25:13 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-25 16:15:36 -0500 |
| commit | b9708648766d8b15003a543ca36863e731b7b1ba (patch) | |
| tree | 442d46c39b114fc2fd107466795d8445d8a88188 /drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | |
| parent | 89c4f84b602544e580684fff9a7f869e9b1e4ae5 (diff) | |
| download | linux-b9708648766d8b15003a543ca36863e731b7b1ba.tar.gz linux-b9708648766d8b15003a543ca36863e731b7b1ba.tar.bz2 linux-b9708648766d8b15003a543ca36863e731b7b1ba.zip | |
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/inc/hw/hubp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h index 04c6989aac58..1cd07e94ee63 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h @@ -78,7 +78,8 @@ struct hubp_funcs { bool (*hubp_program_surface_flip_and_addr)( struct hubp *hubp, const struct dc_plane_address *address, - bool flip_immediate); + bool flip_immediate, + uint8_t vmid); void (*hubp_program_pte_vm)( struct hubp *hubp, |