32 files changed, 42 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 5266dbeab01f..524516251a40 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -139,16 +139,17 @@ i915-y += \
 	  intel_wopcm.o
 
 # general-purpose microcontroller (GuC) support
-i915-y += intel_uc.o \
-	  intel_uc_fw.o \
-	  intel_guc.o \
-	  intel_guc_ads.o \
-	  intel_guc_ct.o \
-	  intel_guc_fw.o \
-	  intel_guc_log.o \
-	  intel_guc_submission.o \
-	  intel_huc.o \
-	  intel_huc_fw.o
+obj-y += gt/uc/
+i915-y += gt/uc/intel_uc.o \
+	  gt/uc/intel_uc_fw.o \
+	  gt/uc/intel_guc.o \
+	  gt/uc/intel_guc_ads.o \
+	  gt/uc/intel_guc_ct.o \
+	  gt/uc/intel_guc_fw.o \
+	  gt/uc/intel_guc_log.o \
+	  gt/uc/intel_guc_submission.o \
+	  gt/uc/intel_huc.o \
+	  gt/uc/intel_huc_fw.o
 
 # modesetting core code
 obj-y += display/
diff --git a/drivers/gpu/drm/i915/Makefile.header-test b/drivers/gpu/drm/i915/Makefile.header-test
index 2fd61869bdaa..88ad1ad31c9b 100644
--- a/drivers/gpu/drm/i915/Makefile.header-test
+++ b/drivers/gpu/drm/i915/Makefile.header-test
@@ -19,14 +19,10 @@ header_test := \
 	i915_vgpu.h \
 	intel_csr.h \
 	intel_drv.h \
-	intel_guc_ct.h \
-	intel_guc_fwif.h \
-	intel_guc_reg.h \
 	intel_gvt.h \
 	intel_pm.h \
 	intel_runtime_pm.h \
 	intel_sideband.h \
-	intel_uc_fw.h \
 	intel_uncore.h \
 	intel_wakeref.h
 
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 7b150ec3d10a..8490d4a991ad 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -19,7 +19,7 @@
 #include "intel_gt_pm.h"
 #include "intel_reset.h"
 
-#include "intel_guc.h"
+#include "uc/intel_guc.h"
 
 #define RESET_MAX_RETRIES 3
 
diff --git a/drivers/gpu/drm/i915/gt/uc/Makefile b/drivers/gpu/drm/i915/gt/uc/Makefile
new file mode 100644
index 000000000000..db9718aa3ee9
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/Makefile
@@ -0,0 +1,5 @@
+# For building individual subdir files on the command line
+subdir-ccflags-y += -I$(srctree)/$(src)/../..
+
+# Extra header tests
+include $(src)/Makefile.header-test
diff --git a/drivers/gpu/drm/i915/gt/uc/Makefile.header-test b/drivers/gpu/drm/i915/gt/uc/Makefile.header-test
new file mode 100644
index 000000000000..61e06cbb4b32
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/Makefile.header-test
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: MIT
+# Copyright © 2019 Intel Corporation
+
+# Test the headers are compilable as standalone units
+header_test := $(notdir $(wildcard $(src)/*.h))
+
+quiet_cmd_header_test = HDRTEST $@
+      cmd_header_test = echo "\#include \"$(<F)\"" > $@
+
+header_test_%.c: %.h
+	$(call cmd,header_test)
+
+extra-$(CONFIG_DRM_I915_WERROR) += \
+	$(foreach h,$(header_test),$(patsubst %.h,header_test_%.o,$(h)))
+
+clean-files += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.c,$(h)))
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 4173b35bf104..4173b35bf104 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index 6852352381ce..6852352381ce 100644
--- a/drivers/gpu/drm/i915/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
diff --git a/drivers/gpu/drm/i915/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
index 69859d1e047f..69859d1e047f 100644
--- a/drivers/gpu/drm/i915/intel_guc_ads.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
diff --git a/drivers/gpu/drm/i915/intel_guc_ads.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h
index 7f40f9cd5fb9..7f40f9cd5fb9 100644
--- a/drivers/gpu/drm/i915/intel_guc_ads.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h
diff --git a/drivers/gpu/drm/i915/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 9e383a47609f..9e383a47609f 100644
--- a/drivers/gpu/drm/i915/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
diff --git a/drivers/gpu/drm/i915/intel_guc_ct.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
index 8c1f6d133168..8c1f6d133168 100644
--- a/drivers/gpu/drm/i915/intel_guc_ct.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
diff --git a/drivers/gpu/drm/i915/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
index ee95d4960c5c..ee95d4960c5c 100644
--- a/drivers/gpu/drm/i915/intel_guc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
diff --git a/drivers/gpu/drm/i915/intel_guc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
index 4ec5d3d9e2b0..4ec5d3d9e2b0 100644
--- a/drivers/gpu/drm/i915/intel_guc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
index 30cca3a29323..30cca3a29323 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
index 9be5d3a6fb5f..9be5d3a6fb5f 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
index 1969572f1f79..1969572f1f79 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
diff --git a/drivers/gpu/drm/i915/intel_guc_reg.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
index e3cbb23299ce..e3cbb23299ce 100644
--- a/drivers/gpu/drm/i915/intel_guc_reg.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index d86336aa4178..e1e4e683ce21 100644
--- a/drivers/gpu/drm/i915/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -24,12 +24,13 @@
 
 #include <linux/circ_buf.h>
 
-#include "gt/intel_engine_pm.h"
-#include "gt/intel_lrc_reg.h"
-#include "gt/intel_context.h"
 #include "gem/i915_gem_context.h"
 
+#include "gt/intel_context.h"
+#include "gt/intel_engine_pm.h"
+#include "gt/intel_lrc_reg.h"
 #include "intel_guc_submission.h"
+
 #include "i915_drv.h"
 
 enum {
@@ -1160,5 +1161,5 @@ void intel_guc_submission_disable(struct intel_guc *guc)
 }
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
-#include "selftests/intel_guc.c"
+#include "selftest_guc.c"
 #endif
diff --git a/drivers/gpu/drm/i915/intel_guc_submission.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
index 87a38cb6faf3..87a38cb6faf3 100644
--- a/drivers/gpu/drm/i915/intel_guc_submission.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
index 2a41ee89a16d..2a41ee89a16d 100644
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
diff --git a/drivers/gpu/drm/i915/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
index 9fa3d4629f2e..9fa3d4629f2e 100644
--- a/drivers/gpu/drm/i915/intel_huc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
diff --git a/drivers/gpu/drm/i915/intel_huc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
index 06e726ba9863..06e726ba9863 100644
--- a/drivers/gpu/drm/i915/intel_huc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
diff --git a/drivers/gpu/drm/i915/intel_huc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
index 8a00a0ebddc5..8a00a0ebddc5 100644
--- a/drivers/gpu/drm/i915/intel_huc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index 4ea7661705b1..4ea7661705b1 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
index 5a1383e192dd..5a1383e192dd 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
diff --git a/drivers/gpu/drm/i915/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index 8ce7210907c0..8ce7210907c0 100644
--- a/drivers/gpu/drm/i915/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
diff --git a/drivers/gpu/drm/i915/intel_uc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
index 833d04d06576..833d04d06576 100644
--- a/drivers/gpu/drm/i915/intel_uc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
diff --git a/drivers/gpu/drm/i915/selftests/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
index 6ca76f5a98d4..6ca76f5a98d4 100644
--- a/drivers/gpu/drm/i915/selftests/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a1843e3de6d7..63024c0d0cd9 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -40,12 +40,12 @@
 
 #include "gem/i915_gem_context.h"
 #include "gt/intel_reset.h"
+#include "gt/uc/intel_guc_submission.h"
 
 #include "i915_debugfs.h"
 #include "i915_irq.h"
 #include "intel_csr.h"
 #include "intel_drv.h"
-#include "intel_guc_submission.h"
 #include "intel_pm.h"
 #include "intel_sideband.h"
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 6953732719e2..44e13b9c8e25 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -65,6 +65,7 @@
 #include "gt/intel_gt_pm.h"
 #include "gt/intel_reset.h"
 #include "gt/intel_workarounds.h"
+#include "gt/uc/intel_uc.h"
 
 #include "i915_debugfs.h"
 #include "i915_drv.h"
@@ -76,7 +77,6 @@
 #include "intel_csr.h"
 #include "intel_drv.h"
 #include "intel_pm.h"
-#include "intel_uc.h"
 
 static struct drm_driver driver;
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1a0b114da77e..b604fee623ab 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -74,10 +74,10 @@
 #include "gt/intel_engine.h"
 #include "gt/intel_gt_types.h"
 #include "gt/intel_workarounds.h"
+#include "gt/uc/intel_uc.h"
 
 #include "intel_device_info.h"
 #include "intel_runtime_pm.h"
-#include "intel_uc.h"
 #include "intel_uncore.h"
 #include "intel_wakeref.h"
 #include "intel_wopcm.h"
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
index 7dfbfda48733..85f06bc5da05 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.h
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -15,9 +15,9 @@
 #include <drm/drm_mm.h>
 
 #include "gt/intel_engine.h"
+#include "gt/uc/intel_uc_fw.h"
 
 #include "intel_device_info.h"
-#include "intel_uc_fw.h"
 
 #include "i915_gem.h"
 #include "i915_gem_gtt.h"