diff options
| 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/dcn10/dcn10_hubbub.h | |
| parent | drm/amd/display: Restructure DCN10 hubbub (diff) | |
| download | linux-dev-b9708648766d8b15003a543ca36863e731b7b1ba.tar.xz linux-dev-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/dcn10/dcn10_hubbub.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h index 14e23e26a2cd..c681e1cc9290 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h @@ -110,6 +110,12 @@ struct dcn_hubbub_registers { uint32_t DCHUBBUB_SDPIF_AGP_TOP; uint32_t DCHUBBUB_CRC_CTRL; uint32_t DCHUBBUB_SOFT_RESET; + uint32_t DCN_VM_FB_LOCATION_BASE; + uint32_t DCN_VM_FB_LOCATION_TOP; + uint32_t DCN_VM_FB_OFFSET; + uint32_t DCN_VM_AGP_BOT; + uint32_t DCN_VM_AGP_TOP; + uint32_t DCN_VM_AGP_BASE; }; /* set field name */ @@ -155,7 +161,13 @@ struct dcn_hubbub_registers { type SDPIF_FB_OFFSET;\ type SDPIF_AGP_BASE;\ type SDPIF_AGP_BOT;\ - type SDPIF_AGP_TOP + type SDPIF_AGP_TOP;\ + type FB_BASE;\ + type FB_TOP;\ + type FB_OFFSET;\ + type AGP_BOT;\ + type AGP_TOP;\ + type AGP_BASE struct dcn_hubbub_shift { |