Based on the discussions we had about displayable DCC internally, only MAX_COMPRESSED_BLOCK = 64B with both DCC_INDEPENDENT_64B_BLOCKS and DCC_INDEPENDENT_128B_BLOCKS is supported by DCN on RDNA 2.
Is there something new on the hardware side that I missed?
Marek
On Tue, Sep 14, 2021 at 7:59 PM Joshua Ashton <joshua@xxxxxxxxx> wrote:
Some games, ie. Doom Eternal, present from compute following compute
post-fx and would benefit from having DCC image stores available.
DCN on gfx10_3 doesn't need INDEPENDENT_128B_BLOCKS = 0 so we can expose
these modifiers capable of DCC image stores.
Signed-off-by: Joshua Ashton <joshua@xxxxxxxxx>
Reviewed-by: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 2a24e43623cb..a4e33a4336a0 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4817,6 +4817,16 @@ add_gfx10_3_modifiers(const struct amdgpu_device *adev,
AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
+ add_modifier(mods, size, capacity, AMD_FMT_MOD |
+ AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
+ AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
+ AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
+ AMD_FMT_MOD_SET(PACKERS, pkrs) |
+ AMD_FMT_MOD_SET(DCC, 1) |
+ AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
+ AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
+ AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B));
+
add_modifier(mods, size, capacity, AMD_FMT_MOD |
AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
@@ -4829,6 +4839,17 @@ add_gfx10_3_modifiers(const struct amdgpu_device *adev,
AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
+ add_modifier(mods, size, capacity, AMD_FMT_MOD |
+ AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
+ AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
+ AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
+ AMD_FMT_MOD_SET(PACKERS, pkrs) |
+ AMD_FMT_MOD_SET(DCC, 1) |
+ AMD_FMT_MOD_SET(DCC_RETILE, 1) |
+ AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
+ AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
+ AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B));
+
add_modifier(mods, size, capacity, AMD_FMT_MOD |
AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
--
2.33.0
