drm/amd: Add gfx12 swizzle mode defs

Add GFX12 swizzle mode definitions for use with DCN401
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

include/uapi/drm/drm_fourcc.h

@@ -1476,6 +1476,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 #define AMD_FMT_MOD_TILE_VER_GFX10 2
 #define AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS 3
 #define AMD_FMT_MOD_TILE_VER_GFX11 4
+#define AMD_FMT_MOD_TILE_VER_GFX12 5
 
 /*
  * 64K_S is the same for GFX9/GFX10/GFX10_RBPLUS and hence has GFX9 as canonical
@@ -1486,6 +1487,8 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 /*
  * 64K_D for non-32 bpp is the same for GFX9/GFX10/GFX10_RBPLUS and hence has
  * GFX9 as canonical version.
+ *
+ * 64K_D_2D on GFX12 is identical to 64K_D on GFX11.
  */
 #define AMD_FMT_MOD_TILE_GFX9_64K_D 10
 #define AMD_FMT_MOD_TILE_GFX9_64K_S_X 25
@@ -1493,6 +1496,19 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 #define AMD_FMT_MOD_TILE_GFX9_64K_R_X 27
 #define AMD_FMT_MOD_TILE_GFX11_256K_R_X 31
 
+/* Gfx12 swizzle modes:
+ *    0 - LINEAR
+ *    1 - 256B_2D  - 2D block dimensions
+ *    2 - 4KB_2D
+ *    3 - 64KB_2D
+ *    4 - 256KB_2D
+ *    5 - 4KB_3D   - 3D block dimensions
+ *    6 - 64KB_3D
+ *    7 - 256KB_3D
+ */
+#define AMD_FMT_MOD_TILE_GFX12_64K_2D 3
+#define AMD_FMT_MOD_TILE_GFX12_256K_2D 4
+
 #define AMD_FMT_MOD_DCC_BLOCK_64B 0
 #define AMD_FMT_MOD_DCC_BLOCK_128B 1
 #define AMD_FMT_MOD_DCC_BLOCK_256B 2