https://bugs.freedesktop.org/show_bug.cgi?id=97610
--- Comment #1 from Tom St Denis <[email protected]> ---
Something I noted when trying amdgpu on my Bonaire was that some of the tile
mode registers are not the same between AMDGPU and radeon. For example, with
HAWAII tile mode 7 is
tile[7] = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) |
PIPE_CONFIG(ADDR_SURF_P4_16x16) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING) |
TILE_SPLIT(split_equal_to_row_size));
with amdgpu and
tile[7] = (ARRAY_MODE(ARRAY_PRT_2D_TILED_THIN1) |
MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING) |
PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) |
TILE_SPLIT(split_equal_to_row_size));
with radeon (specifically the PIPE_CONFIG() and ARRAY_MODE() values are
different).
I don't know if this is related but I never got a satisfactory answer as to why
this is the case.
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