diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 9be353b894c..1a816ea5122 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -43,6 +43,37 @@ void evergreen_pcie_gen2_enable(struct radeon_device *rdev); extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev, int ring, u32 cp_int_cntl); +void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw, + unsigned *bankh, unsigned *mtaspect, + unsigned *tile_split) +{ + *bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK; + *bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK; + *mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK; + *tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK; + switch (*bankw) { + default: + case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break; + case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break; + case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break; + case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break; + } + switch (*bankh) { + default: + case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break; + case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break; + case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break; + case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break; + } + switch (*mtaspect) { + default: + case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break; + case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break; + case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break; + case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break; + } +} + void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) { u16 ctl, v; |