drm/i915: Move GraphicsTechnology files under gt/

Start partitioning off the code that talks to the hardware (GT) from the
uapi layers and move the device facing code under gt/

One casualty is s/intel_ringbuffer.h/intel_engine.h/ with the plan to
subdivide that header and body further (and split out the submission
code from the ringbuffer and logical context handling). This patch aims
to be simple motion so git can fixup inflight patches with little mess.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190424174839.7141-1-chris@chris-wilson.co.uk

59 files changed, 166 insertions, 112 deletions

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 53ff209b91bb..40130cf5c003 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -35,32 +35,53 @@ subdir-ccflags-y += \
 # Extra header tests
 include $(src)/Makefile.header-test
 
+subdir-ccflags-y += -I$(src)
+
 # Please keep these build lists sorted!
 
 # core driver code
 i915-y += i915_drv.o \
 	  i915_irq.o \
-	  i915_memcpy.o \
-	  i915_mm.o \
 	  i915_params.o \
 	  i915_pci.o \
-	  i915_reset.o \
 	  i915_suspend.o \
-	  i915_sw_fence.o \
-	  i915_syncmap.o \
 	  i915_sysfs.o \
-	  i915_user_extensions.o \
 	  intel_csr.o \
 	  intel_device_info.o \
 	  intel_pm.o \
 	  intel_runtime_pm.o \
-	  intel_workarounds.o
+	  intel_uncore.o
+
+# core library code
+i915-y += \
+	i915_memcpy.o \
+	i915_mm.o \
+	i915_sw_fence.o \
+	i915_syncmap.o \
+	i915_user_extensions.o
 
 i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 i915-$(CONFIG_DEBUG_FS) += i915_debugfs.o intel_pipe_crc.o
 i915-$(CONFIG_PERF_EVENTS) += i915_pmu.o
 
-# GEM code
+# "Graphics Technology" (aka we talk to the gpu)
+obj-y += gt/
+gt-y += \
+	gt/intel_breadcrumbs.o \
+	gt/intel_context.o \
+	gt/intel_engine_cs.o \
+	gt/intel_hangcheck.o \
+	gt/intel_lrc.o \
+	gt/intel_reset.o \
+	gt/intel_ringbuffer.o \
+	gt/intel_mocs.o \
+	gt/intel_sseu.o \
+	gt/intel_workarounds.o
+gt-$(CONFIG_DRM_I915_SELFTEST) += \
+	gt/mock_engine.o
+i915-y += $(gt-y)
+
+# GEM (Graphics Execution Management) code
 i915-y += \
 	  i915_active.o \
 	  i915_cmd_parser.o \
@@ -88,15 +109,6 @@ i915-y += \
 	  i915_timeline.o \
 	  i915_trace_points.o \
 	  i915_vma.o \
-	  intel_breadcrumbs.o \
-	  intel_context.o \
-	  intel_engine_cs.o \
-	  intel_hangcheck.o \
-	  intel_lrc.o \
-	  intel_mocs.o \
-	  intel_ringbuffer.o \
-	  intel_sseu.o \
-	  intel_uncore.o \
 	  intel_wopcm.o
 
 # general-purpose microcontroller (GuC) support
diff --git a/drivers/gpu/drm/i915/Makefile.header-test b/drivers/gpu/drm/i915/Makefile.header-test
index 5bcc78d7ac96..96a5d90629ec 100644
--- a/drivers/gpu/drm/i915/Makefile.header-test
+++ b/drivers/gpu/drm/i915/Makefile.header-test
@@ -13,13 +13,11 @@ header_test := \
 	intel_cdclk.h \
 	intel_color.h \
 	intel_connector.h \
-	intel_context_types.h \
 	intel_crt.h \
 	intel_csr.h \
 	intel_ddi.h \
 	intel_dp.h \
 	intel_dvo.h \
-	intel_engine_types.h \
 	intel_fbc.h \
 	intel_fbdev.h \
 	intel_frontbuffer.h \
@@ -33,9 +31,7 @@ header_test := \
 	intel_psr.h \
 	intel_sdvo.h \
 	intel_sprite.h \
-	intel_sseu.h \
-	intel_tv.h \
-	intel_workarounds_types.h
+	intel_tv.h
 
 quiet_cmd_header_test = HDRTEST $@
       cmd_header_test = echo "\#include \"$(<F)\"" > $@
diff --git a/drivers/gpu/drm/i915/gt/Makefile b/drivers/gpu/drm/i915/gt/Makefile
new file mode 100644
index 000000000000..1c75b5c9790c
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/Makefile
@@ -0,0 +1,2 @@
+# Extra header tests
+include $(src)/Makefile.header-test
diff --git a/drivers/gpu/drm/i915/gt/Makefile.header-test b/drivers/gpu/drm/i915/gt/Makefile.header-test
new file mode 100644
index 000000000000..61e06cbb4b32
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/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_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
index 3cbffd400b1b..3cbffd400b1b 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
diff --git a/drivers/gpu/drm/i915/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index 961d1445833d..ebd1e5919a4a 100644
--- a/drivers/gpu/drm/i915/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -7,8 +7,9 @@
 #include "i915_drv.h"
 #include "i915_gem_context.h"
 #include "i915_globals.h"
+
 #include "intel_context.h"
-#include "intel_ringbuffer.h"
+#include "intel_engine.h"
 
 static struct i915_global_context {
 	struct i915_global base;
diff --git a/drivers/gpu/drm/i915/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h
index ebc861b1a49e..ebc861b1a49e 100644
--- a/drivers/gpu/drm/i915/intel_context.h
+++ b/drivers/gpu/drm/i915/gt/intel_context.h
diff --git a/drivers/gpu/drm/i915/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h
index 9ec4f787c908..9ec4f787c908 100644
--- a/drivers/gpu/drm/i915/intel_context_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_context_types.h
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index 72c7c337ace9..72c7c337ace9 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 202b4b7a24f1..79ac56748b90 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -25,9 +25,10 @@
 #include <drm/drm_print.h>
 
 #include "i915_drv.h"
-#include "i915_reset.h"
-#include "intel_ringbuffer.h"
+
+#include "intel_engine.h"
 #include "intel_lrc.h"
+#include "intel_reset.h"
 
 /* Haswell does have the CXT_SIZE register however it does not appear to be
  * valid. Now, docs explain in dwords what is in the context object. The full
@@ -1756,6 +1757,5 @@ intel_engine_find_active_request(struct intel_engine_cs *engine)
 }
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
-#include "selftests/mock_engine.c"
-#include "selftests/intel_engine_cs.c"
+#include "selftest_engine_cs.c"
 #endif
diff --git a/drivers/gpu/drm/i915/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index d07a01b3ed0b..3adf58da6d2c 100644
--- a/drivers/gpu/drm/i915/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -14,15 +14,14 @@
 #include <linux/types.h>
 
 #include "i915_gem.h"
+#include "i915_gem_batch_pool.h"
+#include "i915_pmu.h"
 #include "i915_priolist_types.h"
 #include "i915_selftest.h"
 #include "i915_timeline_types.h"
 #include "intel_sseu.h"
 #include "intel_workarounds_types.h"
 
-#include "i915_gem_batch_pool.h"
-#include "i915_pmu.h"
-
 #define I915_MAX_SLICES	3
 #define I915_MAX_SUBSLICES 8
 
diff --git a/drivers/gpu/drm/i915/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
index a34ece53a771..a34ece53a771 100644
--- a/drivers/gpu/drm/i915/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
diff --git a/drivers/gpu/drm/i915/intel_hangcheck.c b/drivers/gpu/drm/i915/gt/intel_hangcheck.c
index 3d51ed1428d4..3053a706a561 100644
--- a/drivers/gpu/drm/i915/intel_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/intel_hangcheck.c
@@ -22,8 +22,8 @@
  *
  */
 
+#include "intel_reset.h"
 #include "i915_drv.h"
-#include "i915_reset.h"
 
 struct hangcheck {
 	u64 acthd;
@@ -330,5 +330,5 @@ void intel_hangcheck_init(struct drm_i915_private *i915)
 }
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
-#include "selftests/intel_hangcheck.c"
+#include "selftest_hangcheck.c"
 #endif
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 18a9dc6ca877..5cadf8f6a23d 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -133,13 +133,12 @@
  */
 #include <linux/interrupt.h>
 
-#include <drm/i915_drm.h>
 #include "i915_drv.h"
 #include "i915_gem_render_state.h"
-#include "i915_reset.h"
 #include "i915_vgpu.h"
 #include "intel_lrc_reg.h"
 #include "intel_mocs.h"
+#include "intel_reset.h"
 #include "intel_workarounds.h"
 
 #define RING_EXECLIST_QFULL		(1 << 0x2)
@@ -2905,5 +2904,5 @@ void intel_lr_context_reset(struct intel_engine_cs *engine,
 }
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
-#include "selftests/intel_lrc.c"
+#include "selftest_lrc.c"
 #endif
diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/gt/intel_lrc.h
index 99f75ee9d087..1a33ec74af8c 100644
--- a/drivers/gpu/drm/i915/intel_lrc.h
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.h
@@ -24,8 +24,7 @@
 #ifndef _INTEL_LRC_H_
 #define _INTEL_LRC_H_
 
-#include "intel_ringbuffer.h"
-#include "i915_gem_context.h"
+#include "intel_engine.h"
 
 /* Execlists regs */
 #define RING_ELSP(base)				_MMIO((base) + 0x230)
@@ -99,7 +98,6 @@ int logical_xcs_ring_init(struct intel_engine_cs *engine);
 struct drm_printer;
 
 struct drm_i915_private;
-struct i915_gem_context;
 
 void intel_execlists_set_default_submission(struct intel_engine_cs *engine);
 
diff --git a/drivers/gpu/drm/i915/intel_lrc_reg.h b/drivers/gpu/drm/i915/gt/intel_lrc_reg.h
index 5ef932d810a7..5ef932d810a7 100644
--- a/drivers/gpu/drm/i915/intel_lrc_reg.h
+++ b/drivers/gpu/drm/i915/gt/intel_lrc_reg.h
diff --git a/drivers/gpu/drm/i915/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
index 274ba78500c0..79df66022d3a 100644
--- a/drivers/gpu/drm/i915/intel_mocs.c
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
@@ -20,9 +20,11 @@
  * SOFTWARE.
  */
 
+#include "i915_drv.h"
+
+#include "intel_engine.h"
 #include "intel_mocs.h"
 #include "intel_lrc.h"
-#include "intel_ringbuffer.h"
 
 /* structures required */
 struct drm_i915_mocs_entry {
diff --git a/drivers/gpu/drm/i915/intel_mocs.h b/drivers/gpu/drm/i915/gt/intel_mocs.h
index 3d99d1271b2b..0913704a1af2 100644
--- a/drivers/gpu/drm/i915/intel_mocs.h
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.h
@@ -49,7 +49,9 @@
  * context handling keep the MOCS in step.
  */
 
-#include "i915_drv.h"
+struct drm_i915_private;
+struct i915_request;
+struct intel_engine_cs;
 
 int intel_rcs_context_init_mocs(struct i915_request *rq);
 void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 1092d16c289c..7db498567843 100644
--- a/drivers/gpu/drm/i915/i915_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -9,7 +9,7 @@
 
 #include "i915_drv.h"
 #include "i915_gpu_error.h"
-#include "i915_reset.h"
+#include "intel_reset.h"
 
 #include "intel_guc.h"
 
diff --git a/drivers/gpu/drm/i915/i915_reset.h b/drivers/gpu/drm/i915/gt/intel_reset.h
index 3c0450289b8f..8e662bb43a9b 100644
--- a/drivers/gpu/drm/i915/i915_reset.h
+++ b/drivers/gpu/drm/i915/gt/intel_reset.h
@@ -11,7 +11,7 @@
 #include <linux/types.h>
 #include <linux/srcu.h>
 
-#include "intel_engine_types.h"
+#include "gt/intel_engine_types.h"
 
 struct drm_i915_private;
 struct i915_request;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
index 3844581f622c..ac84a383748e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
@@ -33,9 +33,8 @@
 
 #include "i915_drv.h"
 #include "i915_gem_render_state.h"
-#include "i915_reset.h"
 #include "i915_trace.h"
-#include "intel_drv.h"
+#include "intel_reset.h"
 #include "intel_workarounds.h"
 
 /* Rough estimate of the typical request size, performing a flush,
diff --git a/drivers/gpu/drm/i915/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c
index 7f448f3bea0b..7f448f3bea0b 100644
--- a/drivers/gpu/drm/i915/intel_sseu.c
+++ b/drivers/gpu/drm/i915/gt/intel_sseu.c
diff --git a/drivers/gpu/drm/i915/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h
index 73bc824094e8..73bc824094e8 100644
--- a/drivers/gpu/drm/i915/intel_sseu.h
+++ b/drivers/gpu/drm/i915/gt/intel_sseu.h
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index b3cbed1ee1c9..f46ed0e2f07c 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1398,5 +1398,5 @@ int intel_engine_verify_workarounds(struct intel_engine_cs *engine,
 }
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
-#include "selftests/intel_workarounds.c"
+#include "selftest_workarounds.c"
 #endif
diff --git a/drivers/gpu/drm/i915/intel_workarounds.h b/drivers/gpu/drm/i915/gt/intel_workarounds.h
index fdf7ebb90f28..3761a6ee58bb 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.h
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.h
@@ -4,13 +4,17 @@
  * Copyright © 2014-2018 Intel Corporation
  */
 
-#ifndef _I915_WORKAROUNDS_H_
-#define _I915_WORKAROUNDS_H_
+#ifndef _INTEL_WORKAROUNDS_H_
+#define _INTEL_WORKAROUNDS_H_
 
 #include <linux/slab.h>
 
 #include "intel_workarounds_types.h"
 
+struct drm_i915_private;
+struct i915_request;
+struct intel_engine_cs;
+
 static inline void intel_wa_list_free(struct i915_wa_list *wal)
 {
 	kfree(wal->list);
diff --git a/drivers/gpu/drm/i915/intel_workarounds_types.h b/drivers/gpu/drm/i915/gt/intel_workarounds_types.h
index 42ac1fb99572..42ac1fb99572 100644
--- a/drivers/gpu/drm/i915/intel_workarounds_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds_types.h
diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c
index 61a8206ed677..414afd2f27fe 100644
--- a/drivers/gpu/drm/i915/selftests/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -22,8 +22,11 @@
  *
  */
 
+#include "i915_drv.h"
+#include "intel_context.h"
+
 #include "mock_engine.h"
-#include "mock_request.h"
+#include "selftests/mock_request.h"
 
 struct mock_ring {
 	struct intel_ring base;
@@ -268,8 +271,9 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
 	timer_setup(&engine->hw_delay, hw_delay_complete, 0);
 	INIT_LIST_HEAD(&engine->hw_queue);
 
-	if (pin_context(i915->kernel_context, &engine->base,
-			&engine->base.kernel_context))
+	engine->base.kernel_context =
+		intel_context_pin(i915->kernel_context, &engine->base);
+	if (IS_ERR(engine->base.kernel_context))
 		goto err_breadcrumbs;
 
 	return &engine->base;
diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.h b/drivers/gpu/drm/i915/gt/mock_engine.h
index b9cc3a245f16..44b35a85e9d1 100644
--- a/drivers/gpu/drm/i915/selftests/mock_engine.h
+++ b/drivers/gpu/drm/i915/gt/mock_engine.h
@@ -29,7 +29,7 @@
 #include <linux/spinlock.h>
 #include <linux/timer.h>
 
-#include "../intel_ringbuffer.h"
+#include "gt/intel_engine.h"
 
 struct mock_engine {
 	struct intel_engine_cs base;
diff --git a/drivers/gpu/drm/i915/selftests/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
index cfaa6b296835..cfaa6b296835 100644
--- a/drivers/gpu/drm/i915/selftests/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index 2fd33aad8683..acd33aa46068 100644
--- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -24,14 +24,14 @@
 
 #include <linux/kthread.h>
 
-#include "../i915_selftest.h"
-#include "i915_random.h"
-#include "igt_flush_test.h"
-#include "igt_reset.h"
-#include "igt_wedge_me.h"
-
-#include "mock_context.h"
-#include "mock_drm.h"
+#include "i915_selftest.h"
+#include "selftests/i915_random.h"
+#include "selftests/igt_flush_test.h"
+#include "selftests/igt_reset.h"
+#include "selftests/igt_wedge_me.h"
+
+#include "selftests/mock_context.h"
+#include "selftests/mock_drm.h"
 
 #define IGT_IDLE_TIMEOUT 50 /* ms; time to wait after flushing between tests */
 
diff --git a/drivers/gpu/drm/i915/selftests/intel_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index fbee030db940..cd0551f97c2f 100644
--- a/drivers/gpu/drm/i915/selftests/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -6,15 +6,13 @@
 
 #include <linux/prime_numbers.h>
 
-#include "../i915_reset.h"
-
-#include "../i915_selftest.h"
-#include "igt_flush_test.h"
-#include "igt_live_test.h"
-#include "igt_spinner.h"
-#include "i915_random.h"
-
-#include "mock_context.h"
+#include