drm/amd/display: Add gfx12 modifiers

Expose linear modifier definitions for use with DCN401

Signed-off-by: Aurabindo Pillai <[e-mail]>
Acked-by: Rodrigo Siqueira <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c

···
 				     AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D));
 }
 
+static void amdgpu_dm_plane_add_gfx12_modifiers(struct amdgpu_device *adev,
+		      uint64_t **mods, uint64_t *size, uint64_t *capacity)
+{
+	uint64_t mod_64K_2D = AMD_FMT_MOD |
+		AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX12) |
+		AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX12_64K_2D);
+
+	/* 64K without DCC */
+	amdgpu_dm_plane_add_modifier(mods, size, capacity, mod_64K_2D);
+	amdgpu_dm_plane_add_modifier(mods, size, capacity, DRM_FORMAT_MOD_LINEAR);
+}
+
 static int amdgpu_dm_plane_get_plane_modifiers(struct amdgpu_device *adev, unsigned int plane_type, uint64_t **mods)
 {
 	uint64_t size = 0, capacity = 128;
···
 	case AMDGPU_FAMILY_GC_11_0_1:
 	case AMDGPU_FAMILY_GC_11_5_0:
 		amdgpu_dm_plane_add_gfx11_modifiers(adev, mods, &size, &capacity);
+		break;
+	case AMDGPU_FAMILY_GC_12_0_0:
+		amdgpu_dm_plane_add_gfx12_modifiers(adev, mods, &size, &capacity);
 		break;
 	}