drm/i915/uc: move GuC and HuC files under gt/uc/

Both microcontrollers are part of the GT HW and are closely related to
GT operations. To keep all the files cleanly together, they've been
placed in their own subdir inside the gt/ folder

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190713100016.8026-6-chris@chris-wilson.co.uk
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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/

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
 

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
 

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

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)))

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

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"
 

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;
 

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"

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"