[PATCH v5 0/5] drm/i915: Guc code reorg cont'd

[PATCH v5 0/5] drm/i915: Guc code reorg cont'd

[Michal Wajdeczko]

Leftover from https://patchwork.freedesktop.org/series/31340/
plus next round of minor improvements

Michal Wajdeczko (5):
  drm/i915/guc: Move GuC log declarations into dedicated header
  drm/i915/guc: Move GuC submission declarations into dedicated header
  drm/i915/guc: Move GuC core definitions into dedicated files
  drm/i915/uc: Fix includes order
  drm/i915/uc: Unify initialization of the uC firmware helper

 drivers/gpu/drm/i915/Makefile              |   1 +
 drivers/gpu/drm/i915/i915_debugfs.c        |   1 +
 drivers/gpu/drm/i915/i915_guc_submission.c | 101 +----------
 drivers/gpu/drm/i915/i915_guc_submission.h |  80 +++++++++
 drivers/gpu/drm/i915/intel_guc.c           | 264 +++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_guc.h           | 109 ++++++++++++
 drivers/gpu/drm/i915/intel_guc_loader.c    |   5 +-
 drivers/gpu/drm/i915/intel_guc_log.c       |   3 +
 drivers/gpu/drm/i915/intel_guc_log.h       |  59 +++++++
 drivers/gpu/drm/i915/intel_huc.c           |   5 +-
 drivers/gpu/drm/i915/intel_uc.c            | 150 +---------------
 drivers/gpu/drm/i915/intel_uc.h            | 147 +---------------
 drivers/gpu/drm/i915/intel_uc_fw.h         |   9 +
 13 files changed, 537 insertions(+), 397 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_guc_submission.h
 create mode 100644 drivers/gpu/drm/i915/intel_guc.c
 create mode 100644 drivers/gpu/drm/i915/intel_guc.h
 create mode 100644 drivers/gpu/drm/i915/intel_guc_log.h

-- 
2.7.4

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[PATCH v5 1/5] drm/i915/guc: Move GuC log declarations into dedicated header

[Michal Wajdeczko]

Move GuC log declarations into dedicated header as we want to
keep component specific code in separate files.

v2: fix includes (Chris)
    update commit message (Joonas)

Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_guc_log.c |  3 ++
 drivers/gpu/drm/i915/intel_guc_log.h | 59 ++++++++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_uc.h      | 26 +---------------
 3 files changed, 63 insertions(+), 25 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/intel_guc_log.h

diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index 6571d96..b7317a1 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -21,8 +21,11 @@
  * IN THE SOFTWARE.
  *
  */
+
 #include <linux/debugfs.h>
 #include <linux/relay.h>
+
+#include "intel_guc_log.h"
 #include "i915_drv.h"
 
 static void guc_log_capture_logs(struct intel_guc *guc);
diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/intel_guc_log.h
new file mode 100644
index 0000000..b5ec374
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_guc_log.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright © 2014-2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _INTEL_GUC_LOG_H_
+#define _INTEL_GUC_LOG_H_
+
+#include <linux/workqueue.h>
+
+#include "intel_guc_fwif.h"
+
+struct drm_i915_private;
+struct intel_guc;
+
+struct intel_guc_log {
+	uint32_t flags;
+	struct i915_vma *vma;
+	/* The runtime stuff gets created only when GuC logging gets enabled */
+	struct {
+		void *buf_addr;
+		struct workqueue_struct *flush_wq;
+		struct work_struct flush_work;
+		struct rchan *relay_chan;
+	} runtime;
+	/* logging related stats */
+	u32 capture_miss_count;
+	u32 flush_interrupt_count;
+	u32 prev_overflow_count[GUC_MAX_LOG_BUFFER];
+	u32 total_overflow_count[GUC_MAX_LOG_BUFFER];
+	u32 flush_count[GUC_MAX_LOG_BUFFER];
+};
+
+int intel_guc_log_create(struct intel_guc *guc);
+void intel_guc_log_destroy(struct intel_guc *guc);
+int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val);
+void i915_guc_log_register(struct drm_i915_private *dev_priv);
+void i915_guc_log_unregister(struct drm_i915_private *dev_priv);
+
+#endif
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 4fa091e..86ae507 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -29,6 +29,7 @@
 #include "i915_guc_reg.h"
 #include "intel_ringbuffer.h"
 #include "intel_guc_ct.h"
+#include "intel_guc_log.h"
 #include "i915_vma.h"
 #include "intel_huc.h"
 
@@ -72,24 +73,6 @@ struct i915_guc_client {
 	uint64_t submissions[I915_NUM_ENGINES];
 };
 
-struct intel_guc_log {
-	uint32_t flags;
-	struct i915_vma *vma;
-	/* The runtime stuff gets created only when GuC logging gets enabled */
-	struct {
-		void *buf_addr;
-		struct workqueue_struct *flush_wq;
-		struct work_struct flush_work;
-		struct rchan *relay_chan;
-	} runtime;
-	/* logging related stats */
-	u32 capture_miss_count;
-	u32 flush_interrupt_count;
-	u32 prev_overflow_count[GUC_MAX_LOG_BUFFER];
-	u32 total_overflow_count[GUC_MAX_LOG_BUFFER];
-	u32 flush_count[GUC_MAX_LOG_BUFFER];
-};
-
 struct intel_guc {
 	struct intel_uc_fw fw;
 	struct intel_guc_log log;
@@ -165,13 +148,6 @@ void i915_guc_submission_disable(struct drm_i915_private *dev_priv);
 void i915_guc_submission_fini(struct drm_i915_private *dev_priv);
 struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
 
-/* intel_guc_log.c */
-int intel_guc_log_create(struct intel_guc *guc);
-void intel_guc_log_destroy(struct intel_guc *guc);
-int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val);
-void i915_guc_log_register(struct drm_i915_private *dev_priv);
-void i915_guc_log_unregister(struct drm_i915_private *dev_priv);
-
 static inline u32 guc_ggtt_offset(struct i915_vma *vma)
 {
 	u32 offset = i915_ggtt_offset(vma);
-- 
2.7.4

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[PATCH v5 2/5] drm/i915/guc: Move GuC submission declarations into dedicated header

[Michal Wajdeczko]

Move GuC submission declarations into dedicated header as we want to
keep uC specific code in separate files.

v2: fix include (Chris)
    update commit message (Joonas)

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: MichaĹ Winiarski <michal.winiarski@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_debugfs.c        |  1 +
 drivers/gpu/drm/i915/i915_guc_submission.c |  7 +--
 drivers/gpu/drm/i915/i915_guc_submission.h | 80 ++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_uc.c            |  1 +
 drivers/gpu/drm/i915/intel_uc.h            | 45 -----------------
 5 files changed, 86 insertions(+), 48 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_guc_submission.h

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index b4a6ac6..44aae25 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -30,6 +30,7 @@
 #include <linux/sort.h>
 #include <linux/sched/mm.h>
 #include "intel_drv.h"
+#include "i915_guc_submission.h"
 
 static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
 {
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 04f1281..97dfe96 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -21,12 +21,13 @@
  * IN THE SOFTWARE.
  *
  */
-#include <linux/circ_buf.h>
-#include "i915_drv.h"
-#include "intel_uc.h"
 
+#include <linux/circ_buf.h>
 #include <trace/events/dma_fence.h>
 
+#include "i915_guc_submission.h"
+#include "i915_drv.h"
+
 /**
  * DOC: GuC-based command submission
  *
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.h b/drivers/gpu/drm/i915/i915_guc_submission.h
new file mode 100644
index 0000000..a7e61e6
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_guc_submission.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright © 2014-2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _I915_GUC_SUBMISSION_H_
+#define _I915_GUC_SUBMISSION_H_
+
+#include <linux/spinlock.h>
+
+#include "i915_gem.h"
+
+struct drm_i915_private;
+
+/*
+ * This structure primarily describes the GEM object shared with the GuC.
+ * The specs sometimes refer to this object as a "GuC context", but we use
+ * the term "client" to avoid confusion with hardware contexts. This
+ * GEM object is held for the entire lifetime of our interaction with
+ * the GuC, being allocated before the GuC is loaded with its firmware.
+ * Because there's no way to update the address used by the GuC after
+ * initialisation, the shared object must stay pinned into the GGTT as
+ * long as the GuC is in use. We also keep the first page (only) mapped
+ * into kernel address space, as it includes shared data that must be
+ * updated on every request submission.
+ *
+ * The single GEM object described here is actually made up of several
+ * separate areas, as far as the GuC is concerned. The first page (kept
+ * kmap'd) includes the "process descriptor" which holds sequence data for
+ * the doorbell, and one cacheline which actually *is* the doorbell; a
+ * write to this will "ring the doorbell" (i.e. send an interrupt to the
+ * GuC). The subsequent  pages of the client object constitute the work
+ * queue (a circular array of work items), again described in the process
+ * descriptor. Work queue pages are mapped momentarily as required.
+ */
+struct i915_guc_client {
+	struct i915_vma *vma;
+	void *vaddr;
+	struct i915_gem_context *owner;
+	struct intel_guc *guc;
+
+	/* bitmap of (host) engine ids */
+	uint32_t engines;
+	uint32_t priority;
+	u32 stage_id;
+	uint32_t proc_desc_offset;
+
+	u16 doorbell_id;
+	unsigned long doorbell_offset;
+
+	spinlock_t wq_lock;
+	/* Per-engine counts of GuC submissions */
+	uint64_t submissions[I915_NUM_ENGINES];
+};
+
+int i915_guc_submission_init(struct drm_i915_private *dev_priv);
+int i915_guc_submission_enable(struct drm_i915_private *dev_priv);
+void i915_guc_submission_disable(struct drm_i915_private *dev_priv);
+void i915_guc_submission_fini(struct drm_i915_private *dev_priv);
+
+#endif
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index e787527..770bac4 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -24,6 +24,7 @@
 
 #include "i915_drv.h"
 #include "intel_uc.h"
+#include "i915_guc_submission.h"
 #include <linux/firmware.h>
 
 /* Reset GuC providing us with fresh state for both GuC and HuC.
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 86ae507..2f741a9 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -33,46 +33,6 @@
 #include "i915_vma.h"
 #include "intel_huc.h"
 
-/*
- * This structure primarily describes the GEM object shared with the GuC.
- * The specs sometimes refer to this object as a "GuC context", but we use
- * the term "client" to avoid confusion with hardware contexts. This
- * GEM object is held for the entire lifetime of our interaction with
- * the GuC, being allocated before the GuC is loaded with its firmware.
- * Because there's no way to update the address used by the GuC after
- * initialisation, the shared object must stay pinned into the GGTT as
- * long as the GuC is in use. We also keep the first page (only) mapped
- * into kernel address space, as it includes shared data that must be
- * updated on every request submission.
- *
- * The single GEM object described here is actually made up of several
- * separate areas, as far as the GuC is concerned. The first page (kept
- * kmap'd) includes the "process descriptor" which holds sequence data for
- * the doorbell, and one cacheline which actually *is* the doorbell; a
- * write to this will "ring the doorbell" (i.e. send an interrupt to the
- * GuC). The subsequent  pages of the client object constitute the work
- * queue (a circular array of work items), again described in the process
- * descriptor. Work queue pages are mapped momentarily as required.
- */
-struct i915_guc_client {
-	struct i915_vma *vma;
-	void *vaddr;
-	struct i915_gem_context *owner;
-	struct intel_guc *guc;
-
-	uint32_t engines;		/* bitmap of (host) engine ids	*/
-	uint32_t priority;
-	u32 stage_id;
-	uint32_t proc_desc_offset;
-
-	u16 doorbell_id;
-	unsigned long doorbell_offset;
-
-	spinlock_t wq_lock;
-	/* Per-engine counts of GuC submissions */
-	uint64_t submissions[I915_NUM_ENGINES];
-};
-
 struct intel_guc {
 	struct intel_uc_fw fw;
 	struct intel_guc_log log;
@@ -141,11 +101,6 @@ int intel_guc_suspend(struct drm_i915_private *dev_priv);
 int intel_guc_resume(struct drm_i915_private *dev_priv);
 u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
 
-/* i915_guc_submission.c */
-int i915_guc_submission_init(struct drm_i915_private *dev_priv);
-int i915_guc_submission_enable(struct drm_i915_private *dev_priv);
-void i915_guc_submission_disable(struct drm_i915_private *dev_priv);
-void i915_guc_submission_fini(struct drm_i915_private *dev_priv);
 struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
 
 static inline u32 guc_ggtt_offset(struct i915_vma *vma)
-- 
2.7.4

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[PATCH v5 3/5] drm/i915/guc: Move GuC core definitions into dedicated files

[Michal Wajdeczko]

Move GuC core definitions into dedicated files as we want to
keep GuC specific code in separated files.

v2: move all functions in single patch (Joonas)
    fix old checkpatch issues (Sagar)

v3: rebased

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> #1
---
 drivers/gpu/drm/i915/Makefile              |   1 +
 drivers/gpu/drm/i915/i915_guc_submission.c |  94 ----------
 drivers/gpu/drm/i915/intel_guc.c           | 264 +++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_guc.h           | 109 ++++++++++++
 drivers/gpu/drm/i915/intel_uc.c            | 146 +---------------
 drivers/gpu/drm/i915/intel_uc.h            |  78 +--------
 6 files changed, 377 insertions(+), 315 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/intel_guc.c
 create mode 100644 drivers/gpu/drm/i915/intel_guc.h

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 4850f26..51d0d29 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -60,6 +60,7 @@ i915-y += i915_cmd_parser.o \
 # general-purpose microcontroller (GuC) support
 i915-y += intel_uc.o \
 	  intel_uc_fw.o \
+	  intel_guc.o \
 	  intel_guc_ct.o \
 	  intel_guc_log.o \
 	  intel_guc_loader.o \
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 97dfe96..7460ab4 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -644,48 +644,6 @@ static void i915_guc_irq_handler(unsigned long data)
  * path of i915_guc_submit() above.
  */
 
-/**
- * intel_guc_allocate_vma() - Allocate a GGTT VMA for GuC usage
- * @guc:	the guc
- * @size:	size of area to allocate (both virtual space and memory)
- *
- * This is a wrapper to create an object for use with the GuC. In order to
- * use it inside the GuC, an object needs to be pinned lifetime, so we allocate
- * both some backing storage and a range inside the Global GTT. We must pin
- * it in the GGTT somewhere other than than [0, GUC_WOPCM_TOP) because that
- * range is reserved inside GuC.
- *
- * Return:	A i915_vma if successful, otherwise an ERR_PTR.
- */
-struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size)
-{
-	struct drm_i915_private *dev_priv = guc_to_i915(guc);
-	struct drm_i915_gem_object *obj;
-	struct i915_vma *vma;
-	int ret;
-
-	obj = i915_gem_object_create(dev_priv, size);
-	if (IS_ERR(obj))
-		return ERR_CAST(obj);
-
-	vma = i915_vma_instance(obj, &dev_priv->ggtt.base, NULL);
-	if (IS_ERR(vma))
-		goto err;
-
-	ret = i915_vma_pin(vma, 0, PAGE_SIZE,
-			   PIN_GLOBAL | PIN_OFFSET_BIAS | GUC_WOPCM_TOP);
-	if (ret) {
-		vma = ERR_PTR(ret);
-		goto err;
-	}
-
-	return vma;
-
-err:
-	i915_gem_object_put(obj);
-	return vma;
-}
-
 /* Check that a doorbell register is in the expected state */
 static bool doorbell_ok(struct intel_guc *guc, u16 db_id)
 {
@@ -1213,55 +1171,3 @@ void i915_guc_submission_disable(struct drm_i915_private *dev_priv)
 	guc_client_free(guc->execbuf_client);
 	guc->execbuf_client = NULL;
 }
-
-/**
- * intel_guc_suspend() - notify GuC entering suspend state
- * @dev_priv:	i915 device private
- */
-int intel_guc_suspend(struct drm_i915_private *dev_priv)
-{
-	struct intel_guc *guc = &dev_priv->guc;
-	struct i915_gem_context *ctx;
-	u32 data[3];
-
-	if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
-		return 0;
-
-	gen9_disable_guc_interrupts(dev_priv);
-
-	ctx = dev_priv->kernel_context;
-
-	data[0] = INTEL_GUC_ACTION_ENTER_S_STATE;
-	/* any value greater than GUC_POWER_D0 */
-	data[1] = GUC_POWER_D1;
-	/* first page is shared data with GuC */
-	data[2] = guc_ggtt_offset(ctx->engine[RCS].state) + LRC_GUCSHR_PN * PAGE_SIZE;
-
-	return intel_guc_send(guc, data, ARRAY_SIZE(data));
-}
-
-/**
- * intel_guc_resume() - notify GuC resuming from suspend state
- * @dev_priv:	i915 device private
- */
-int intel_guc_resume(struct drm_i915_private *dev_priv)
-{
-	struct intel_guc *guc = &dev_priv->guc;
-	struct i915_gem_context *ctx;
-	u32 data[3];
-
-	if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
-		return 0;
-
-	if (i915_modparams.guc_log_level >= 0)
-		gen9_enable_guc_interrupts(dev_priv);
-
-	ctx = dev_priv->kernel_context;
-
-	data[0] = INTEL_GUC_ACTION_EXIT_S_STATE;
-	data[1] = GUC_POWER_D0;
-	/* first page is shared data with GuC */
-	data[2] = guc_ggtt_offset(ctx->engine[RCS].state) + LRC_GUCSHR_PN * PAGE_SIZE;
-
-	return intel_guc_send(guc, data, ARRAY_SIZE(data));
-}
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
new file mode 100644
index 0000000..bbe4c32
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -0,0 +1,264 @@
+/*
+ * Copyright © 2014-2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#include "intel_guc.h"
+#include "i915_drv.h"
+
+static void gen8_guc_raise_irq(struct intel_guc *guc)
+{
+	struct drm_i915_private *dev_priv = guc_to_i915(guc);
+
+	I915_WRITE(GUC_SEND_INTERRUPT, GUC_SEND_TRIGGER);
+}
+
+static inline i915_reg_t guc_send_reg(struct intel_guc *guc, u32 i)
+{
+	GEM_BUG_ON(!guc->send_regs.base);
+	GEM_BUG_ON(!guc->send_regs.count);
+	GEM_BUG_ON(i >= guc->send_regs.count);
+
+	return _MMIO(guc->send_regs.base + 4 * i);
+}
+
+void intel_guc_init_send_regs(struct intel_guc *guc)
+{
+	struct drm_i915_private *dev_priv = guc_to_i915(guc);
+	enum forcewake_domains fw_domains = 0;
+	unsigned int i;
+
+	guc->send_regs.base = i915_mmio_reg_offset(SOFT_SCRATCH(0));
+	guc->send_regs.count = SOFT_SCRATCH_COUNT - 1;
+
+	for (i = 0; i < guc->send_regs.count; i++) {
+		fw_domains |= intel_uncore_forcewake_for_reg(dev_priv,
+					guc_send_reg(guc, i),
+					FW_REG_READ | FW_REG_WRITE);
+	}
+	guc->send_regs.fw_domains = fw_domains;
+}
+
+void intel_guc_init_early(struct intel_guc *guc)
+{
+	intel_guc_ct_init_early(&guc->ct);
+
+	mutex_init(&guc->send_mutex);
+	guc->send = intel_guc_send_nop;
+	guc->notify = gen8_guc_raise_irq;
+}
+
+int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len)
+{
+	WARN(1, "Unexpected send: action=%#x\n", *action);
+	return -ENODEV;
+}
+
+/*
+ * This function implements the MMIO based host to GuC interface.
+ */
+int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len)
+{
+	struct drm_i915_private *dev_priv = guc_to_i915(guc);
+	u32 status;
+	int i;
+	int ret;
+
+	GEM_BUG_ON(!len);
+	GEM_BUG_ON(len > guc->send_regs.count);
+
+	/* If CT is available, we expect to use MMIO only during init/fini */
+	GEM_BUG_ON(HAS_GUC_CT(dev_priv) &&
+		*action != INTEL_GUC_ACTION_REGISTER_COMMAND_TRANSPORT_BUFFER &&
+		*action != INTEL_GUC_ACTION_DEREGISTER_COMMAND_TRANSPORT_BUFFER);
+
+	mutex_lock(&guc->send_mutex);
+	intel_uncore_forcewake_get(dev_priv, guc->send_regs.fw_domains);
+
+	for (i = 0; i < len; i++)
+		I915_WRITE(guc_send_reg(guc, i), action[i]);
+
+	POSTING_READ(guc_send_reg(guc, i - 1));
+
+	intel_guc_notify(guc);
+
+	/*
+	 * No GuC command should ever take longer than 10ms.
+	 * Fast commands should still complete in 10us.
+	 */
+	ret = __intel_wait_for_register_fw(dev_priv,
+					   guc_send_reg(guc, 0),
+					   INTEL_GUC_RECV_MASK,
+					   INTEL_GUC_RECV_MASK,
+					   10, 10, &status);
+	if (status != INTEL_GUC_STATUS_SUCCESS) {
+		/*
+		 * Either the GuC explicitly returned an error (which
+		 * we convert to -EIO here) or no response at all was
+		 * received within the timeout limit (-ETIMEDOUT)
+		 */
+		if (ret != -ETIMEDOUT)
+			ret = -EIO;
+
+		DRM_WARN("INTEL_GUC_SEND: Action 0x%X failed;"
+			 " ret=%d status=0x%08X response=0x%08X\n",
+			 action[0], ret, status, I915_READ(SOFT_SCRATCH(15)));
+	}
+
+	intel_uncore_forcewake_put(dev_priv, guc->send_regs.fw_domains);
+	mutex_unlock(&guc->send_mutex);
+
+	return ret;
+}
+
+int intel_guc_sample_forcewake(struct intel_guc *guc)
+{
+	struct drm_i915_private *dev_priv = guc_to_i915(guc);
+	u32 action[2];
+
+	action[0] = INTEL_GUC_ACTION_SAMPLE_FORCEWAKE;
+	/* WaRsDisableCoarsePowerGating:skl,bxt */
+	if (!intel_enable_rc6() || NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
+		action[1] = 0;
+	else
+		/* bit 0 and 1 are for Render and Media domain separately */
+		action[1] = GUC_FORCEWAKE_RENDER | GUC_FORCEWAKE_MEDIA;
+
+	return intel_guc_send(guc, action, ARRAY_SIZE(action));
+}
+
+/**
+ * intel_guc_auth_huc() - Send action to GuC to authenticate HuC ucode
+ * @guc: intel_guc structure
+ * @rsa_offset: rsa offset w.r.t ggtt base of huc vma
+ *
+ * Triggers a HuC firmware authentication request to the GuC via intel_guc_send
+ * INTEL_GUC_ACTION_AUTHENTICATE_HUC interface. This function is invoked by
+ * intel_huc_auth().
+ *
+ * Return:	non-zero code on error
+ */
+int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset)
+{
+	u32 action[] = {
+		INTEL_GUC_ACTION_AUTHENTICATE_HUC,
+		rsa_offset
+	};
+
+	return intel_guc_send(guc, action, ARRAY_SIZE(action));
+}
+
+/**
+ * intel_guc_suspend() - notify GuC entering suspend state
+ * @dev_priv:	i915 device private
+ */
+int intel_guc_suspend(struct drm_i915_private *dev_priv)
+{
+	struct intel_guc *guc = &dev_priv->guc;
+	struct i915_gem_context *ctx;
+	u32 data[3];
+
+	if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
+		return 0;
+
+	gen9_disable_guc_interrupts(dev_priv);
+
+	ctx = dev_priv->kernel_context;
+
+	data[0] = INTEL_GUC_ACTION_ENTER_S_STATE;
+	/* any value greater than GUC_POWER_D0 */
+	data[1] = GUC_POWER_D1;
+	/* first page is shared data with GuC */
+	data[2] = guc_ggtt_offset(ctx->engine[RCS].state) +
+		  LRC_GUCSHR_PN * PAGE_SIZE;
+
+	return intel_guc_send(guc, data, ARRAY_SIZE(data));
+}
+
+/**
+ * intel_guc_resume() - notify GuC resuming from suspend state
+ * @dev_priv:	i915 device private
+ */
+int intel_guc_resume(struct drm_i915_private *dev_priv)
+{
+	struct intel_guc *guc = &dev_priv->guc;
+	struct i915_gem_context *ctx;
+	u32 data[3];
+
+	if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
+		return 0;
+
+	if (i915_modparams.guc_log_level >= 0)
+		gen9_enable_guc_interrupts(dev_priv);
+
+	ctx = dev_priv->kernel_context;
+
+	data[0] = INTEL_GUC_ACTION_EXIT_S_STATE;
+	data[1] = GUC_POWER_D0;
+	/* first page is shared data with GuC */
+	data[2] = guc_ggtt_offset(ctx->engine[RCS].state) +
+		  LRC_GUCSHR_PN * PAGE_SIZE;
+
+	return intel_guc_send(guc, data, ARRAY_SIZE(data));
+}
+
+/**
+ * intel_guc_allocate_vma() - Allocate a GGTT VMA for GuC usage
+ * @guc:	the guc
+ * @size:	size of area to allocate (both virtual space and memory)
+ *
+ * This is a wrapper to create an object for use with the GuC. In order to
+ * use it inside the GuC, an object needs to be pinned lifetime, so we allocate
+ * both some backing storage and a range inside the Global GTT. We must pin
+ * it in the GGTT somewhere other than than [0, GUC_WOPCM_TOP) because that
+ * range is reserved inside GuC.
+ *
+ * Return:	A i915_vma if successful, otherwise an ERR_PTR.
+ */
+struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size)
+{
+	struct drm_i915_private *dev_priv = guc_to_i915(guc);
+	struct drm_i915_gem_object *obj;
+	struct i915_vma *vma;
+	int ret;
+
+	obj = i915_gem_object_create(dev_priv, size);
+	if (IS_ERR(obj))
+		return ERR_CAST(obj);
+
+	vma = i915_vma_instance(obj, &dev_priv->ggtt.base, NULL);
+	if (IS_ERR(vma))
+		goto err;
+
+	ret = i915_vma_pin(vma, 0, PAGE_SIZE,
+			   PIN_GLOBAL | PIN_OFFSET_BIAS | GUC_WOPCM_TOP);
+	if (ret) {
+		vma = ERR_PTR(ret);
+		goto err;
+	}
+
+	return vma;
+
+err:
+	i915_gem_object_put(obj);
+	return vma;
+}
diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h
new file mode 100644
index 0000000..094d649
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_guc.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright © 2014-2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _INTEL_GUC_H_
+#define _INTEL_GUC_H_
+
+#include "intel_uncore.h"
+#include "intel_guc_fwif.h"
+#include "intel_guc_ct.h"
+#include "intel_guc_log.h"
+#include "intel_uc_fw.h"
+#include "i915_guc_reg.h"
+#include "i915_vma.h"
+
+struct intel_guc {
+	struct intel_uc_fw fw;
+	struct intel_guc_log log;
+	struct intel_guc_ct ct;
+
+	/* Log snapshot if GuC errors during load */
+	struct drm_i915_gem_object *load_err_log;
+
+	/* intel_guc_recv interrupt related state */
+	bool interrupts_enabled;
+
+	struct i915_vma *ads_vma;
+	struct i915_vma *stage_desc_pool;
+	void *stage_desc_pool_vaddr;
+	struct ida stage_ids;
+
+	struct i915_guc_client *execbuf_client;
+
+	DECLARE_BITMAP(doorbell_bitmap, GUC_NUM_DOORBELLS);
+	uint32_t db_cacheline;		/* Cyclic counter mod pagesize	*/
+
+	/* GuC's FW specific registers used in MMIO send */
+	struct {
+		u32 base;
+		unsigned int count;
+		enum forcewake_domains fw_domains;
+	} send_regs;
+
+	/* To serialize the intel_guc_send actions */
+	struct mutex send_mutex;
+
+	/* GuC's FW specific send function */
+	int (*send)(struct intel_guc *guc, const u32 *data, u32 len);
+
+	/* GuC's FW specific notify function */
+	void (*notify)(struct intel_guc *guc);
+};
+
+static
+inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
+{
+	return guc->send(guc, action, len);
+}
+
+static inline void intel_guc_notify(struct intel_guc *guc)
+{
+	guc->notify(guc);
+}
+
+static inline u32 guc_ggtt_offset(struct i915_vma *vma)
+{
+	u32 offset = i915_ggtt_offset(vma);
+
+	GEM_BUG_ON(offset < GUC_WOPCM_TOP);
+	GEM_BUG_ON(range_overflows_t(u64, offset, vma->size, GUC_GGTT_TOP));
+
+	return offset;
+}
+
+void intel_guc_init_early(struct intel_guc *guc);
+void intel_guc_init_send_regs(struct intel_guc *guc);
+int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
+int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
+int intel_guc_sample_forcewake(struct intel_guc *guc);
+int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
+int intel_guc_suspend(struct drm_i915_private *dev_priv);
+int intel_guc_resume(struct drm_i915_private *dev_priv);
+struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
+
+int intel_guc_select_fw(struct intel_guc *guc);
+int intel_guc_init_hw(struct intel_guc *guc);
+u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
+
+#endif
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 770bac4..cb9f13f 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -82,25 +82,9 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv)
 		i915_modparams.enable_guc_submission = HAS_GUC_SCHED(dev_priv);
 }
 
-static void gen8_guc_raise_irq(struct intel_guc *guc)
-{
-	struct drm_i915_private *dev_priv = guc_to_i915(guc);
-
-	I915_WRITE(GUC_SEND_INTERRUPT, GUC_SEND_TRIGGER);
-}
-
-static void guc_init_early(struct intel_guc *guc)
-{
-	intel_guc_ct_init_early(&guc->ct);
-
-	mutex_init(&guc->send_mutex);
-	guc->send = intel_guc_send_nop;
-	guc->notify = gen8_guc_raise_irq;
-}
-
 void intel_uc_init_early(struct drm_i915_private *dev_priv)
 {
-	guc_init_early(&dev_priv->guc);
+	intel_guc_init_early(&dev_priv->guc);
 }
 
 void intel_uc_init_fw(struct drm_i915_private *dev_priv)
@@ -115,32 +99,6 @@ void intel_uc_fini_fw(struct drm_i915_private *dev_priv)
 	intel_uc_fw_fini(&dev_priv->huc.fw);
 }
 
-static inline i915_reg_t guc_send_reg(struct intel_guc *guc, u32 i)
-{
-	GEM_BUG_ON(!guc->send_regs.base);
-	GEM_BUG_ON(!guc->send_regs.count);
-	GEM_BUG_ON(i >= guc->send_regs.count);
-
-	return _MMIO(guc->send_regs.base + 4 * i);
-}
-
-static void guc_init_send_regs(struct intel_guc *guc)
-{
-	struct drm_i915_private *dev_priv = guc_to_i915(guc);
-	enum forcewake_domains fw_domains = 0;
-	unsigned int i;
-
-	guc->send_regs.base = i915_mmio_reg_offset(SOFT_SCRATCH(0));
-	guc->send_regs.count = SOFT_SCRATCH_COUNT - 1;
-
-	for (i = 0; i < guc->send_regs.count; i++) {
-		fw_domains |= intel_uncore_forcewake_for_reg(dev_priv,
-					guc_send_reg(guc, i),
-					FW_REG_READ | FW_REG_WRITE);
-	}
-	guc->send_regs.fw_domains = fw_domains;
-}
-
 /**
  * intel_uc_init_mmio - setup uC MMIO access
  *
@@ -151,7 +109,7 @@ static void guc_init_send_regs(struct intel_guc *guc)
  */
 void intel_uc_init_mmio(struct drm_i915_private *dev_priv)
 {
-	guc_init_send_regs(&dev_priv->guc);
+	intel_guc_init_send_regs(&dev_priv->guc);
 }
 
 static void guc_capture_load_err_log(struct intel_guc *guc)
@@ -192,27 +150,6 @@ static void guc_disable_communication(struct intel_guc *guc)
 	guc->send = intel_guc_send_nop;
 }
 
-/**
- * intel_guc_auth_huc() - Send action to GuC to authenticate HuC ucode
- * @guc: intel_guc structure
- * @rsa_offset: rsa offset w.r.t ggtt base of huc vma
- *
- * Triggers a HuC firmware authentication request to the GuC via intel_guc_send
- * INTEL_GUC_ACTION_AUTHENTICATE_HUC interface. This function is invoked by
- * intel_huc_auth().
- *
- * Return:	non-zero code on error
- */
-int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset)
-{
-	u32 action[] = {
-		INTEL_GUC_ACTION_AUTHENTICATE_HUC,
-		rsa_offset
-	};
-
-	return intel_guc_send(guc, action, ARRAY_SIZE(action));
-}
-
 int intel_uc_init_hw(struct drm_i915_private *dev_priv)
 {
 	struct intel_guc *guc = &dev_priv->guc;
@@ -344,82 +281,3 @@ void intel_uc_fini_hw(struct drm_i915_private *dev_priv)
 
 	i915_ggtt_disable_guc(dev_priv);
 }
-
-int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len)
-{
-	WARN(1, "Unexpected send: action=%#x\n", *action);
-	return -ENODEV;
-}
-
-/*
- * This function implements the MMIO based host to GuC interface.
- */
-int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len)
-{
-	struct drm_i915_private *dev_priv = guc_to_i915(guc);
-	u32 status;
-	int i;
-	int ret;
-
-	GEM_BUG_ON(!len);
-	GEM_BUG_ON(len > guc->send_regs.count);
-
-	/* If CT is available, we expect to use MMIO only during init/fini */
-	GEM_BUG_ON(HAS_GUC_CT(dev_priv) &&
-		*action != INTEL_GUC_ACTION_REGISTER_COMMAND_TRANSPORT_BUFFER &&
-		*action != INTEL_GUC_ACTION_DEREGISTER_COMMAND_TRANSPORT_BUFFER);
-
-	mutex_lock(&guc->send_mutex);
-	intel_uncore_forcewake_get(dev_priv, guc->send_regs.fw_domains);
-
-	for (i = 0; i < len; i++)
-		I915_WRITE(guc_send_reg(guc, i), action[i]);
-
-	POSTING_READ(guc_send_reg(guc, i - 1));
-
-	intel_guc_notify(guc);
-
-	/*
-	 * No GuC command should ever take longer than 10ms.
-	 * Fast commands should still complete in 10us.
-	 */
-	ret = __intel_wait_for_register_fw(dev_priv,
-					   guc_send_reg(guc, 0),
-					   INTEL_GUC_RECV_MASK,
-					   INTEL_GUC_RECV_MASK,
-					   10, 10, &status);
-	if (status != INTEL_GUC_STATUS_SUCCESS) {
-		/*
-		 * Either the GuC explicitly returned an error (which
-		 * we convert to -EIO here) or no response at all was
-		 * received within the timeout limit (-ETIMEDOUT)
-		 */
-		if (ret != -ETIMEDOUT)
-			ret = -EIO;
-
-		DRM_WARN("INTEL_GUC_SEND: Action 0x%X failed;"
-			 " ret=%d status=0x%08X response=0x%08X\n",
-			 action[0], ret, status, I915_READ(SOFT_SCRATCH(15)));
-	}
-
-	intel_uncore_forcewake_put(dev_priv, guc->send_regs.fw_domains);
-	mutex_unlock(&guc->send_mutex);
-
-	return ret;
-}
-
-int intel_guc_sample_forcewake(struct intel_guc *guc)
-{
-	struct drm_i915_private *dev_priv = guc_to_i915(guc);
-	u32 action[2];
-
-	action[0] = INTEL_GUC_ACTION_SAMPLE_FORCEWAKE;
-	/* WaRsDisableCoarsePowerGating:skl,bxt */
-	if (!intel_enable_rc6() || NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
-		action[1] = 0;
-	else
-		/* bit 0 and 1 are for Render and Media domain separately */
-		action[1] = GUC_FORCEWAKE_RENDER | GUC_FORCEWAKE_MEDIA;
-
-	return intel_guc_send(guc, action, ARRAY_SIZE(action));
-}
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 2f741a9..e18d3bb 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -24,54 +24,9 @@
 #ifndef _INTEL_UC_H_
 #define _INTEL_UC_H_
 
-#include "intel_uc_fw.h"
-#include "intel_guc_fwif.h"
-#include "i915_guc_reg.h"
-#include "intel_ringbuffer.h"
-#include "intel_guc_ct.h"
-#include "intel_guc_log.h"
-#include "i915_vma.h"
+#include "intel_guc.h"
 #include "intel_huc.h"
 
-struct intel_guc {
-	struct intel_uc_fw fw;
-	struct intel_guc_log log;
-	struct intel_guc_ct ct;
-
-	/* Log snapshot if GuC errors during load */
-	struct drm_i915_gem_object *load_err_log;
-
-	/* intel_guc_recv interrupt related state */
-	bool interrupts_enabled;
-
-	struct i915_vma *ads_vma;
-	struct i915_vma *stage_desc_pool;
-	void *stage_desc_pool_vaddr;
-	struct ida stage_ids;
-
-	struct i915_guc_client *execbuf_client;
-
-	DECLARE_BITMAP(doorbell_bitmap, GUC_NUM_DOORBELLS);
-	uint32_t db_cacheline;		/* Cyclic counter mod pagesize	*/
-
-	/* GuC's FW specific registers used in MMIO send */
-	struct {
-		u32 base;
-		unsigned int count;
-		enum forcewake_domains fw_domains;
-	} send_regs;
-
-	/* To serialize the intel_guc_send actions */
-	struct mutex send_mutex;
-
-	/* GuC's FW specific send function */
-	int (*send)(struct intel_guc *guc, const u32 *data, u32 len);
-
-	/* GuC's FW specific notify function */
-	void (*notify)(struct intel_guc *guc);
-};
-
-/* intel_uc.c */
 void intel_uc_sanitize_options(struct drm_i915_private *dev_priv);
 void intel_uc_init_early(struct drm_i915_private *dev_priv);
 void intel_uc_init_mmio(struct drm_i915_private *dev_priv);
@@ -79,36 +34,5 @@ void intel_uc_init_fw(struct drm_i915_private *dev_priv);
 void intel_uc_fini_fw(struct drm_i915_private *dev_priv);
 int intel_uc_init_hw(struct drm_i915_private *dev_priv);
 void intel_uc_fini_hw(struct drm_i915_private *dev_priv);
-int intel_guc_sample_forcewake(struct intel_guc *guc);
-int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
-int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
-int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
-
-static inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
-{
-	return guc->send(guc, action, len);
-}
-
-static inline void intel_guc_notify(struct intel_guc *guc)
-{
-	guc->notify(guc);
-}
-
-/* intel_guc_loader.c */
-int intel_guc_select_fw(struct intel_guc *guc);
-int intel_guc_init_hw(struct intel_guc *guc);
-int intel_guc_suspend(struct drm_i915_private *dev_priv);
-int intel_guc_resume(struct drm_i915_private *dev_priv);
-u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
-
-struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
-
-static inline u32 guc_ggtt_offset(struct i915_vma *vma)
-{
-	u32 offset = i915_ggtt_offset(vma);
-	GEM_BUG_ON(offset < GUC_WOPCM_TOP);
-	GEM_BUG_ON(range_overflows_t(u64, offset, vma->size, GUC_GGTT_TOP));
-	return offset;
-}
 
 #endif
-- 
2.7.4

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Re: [PATCH v5 3/5] drm/i915/guc: Move GuC core definitions into dedicated files

[Sagar Arun Kamble]

On 10/4/2017 11:43 PM, Michal Wajdeczko wrote:
> Move GuC core definitions into dedicated files as we want to
> keep GuC specific code in separated files.
>
> v2: move all functions in single patch (Joonas)
>      fix old checkpatch issues (Sagar)
>
> v3: rebased
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> #1
> ---
<snip>
> diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h
> new file mode 100644
> index 0000000..094d649
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/intel_guc.h
> @@ -0,0 +1,109 @@
> +/*
> + * Copyright © 2014-2017 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> + * IN THE SOFTWARE.
> + *
> + */
> +
> +#ifndef _INTEL_GUC_H_
> +#define _INTEL_GUC_H_
> +
> +#include "intel_uncore.h"
> +#include "intel_guc_fwif.h"
> +#include "intel_guc_ct.h"
> +#include "intel_guc_log.h"
> +#include "intel_uc_fw.h"
> +#include "i915_guc_reg.h"
> +#include "i915_vma.h"
> +
> +struct intel_guc {
> +	struct intel_uc_fw fw;
> +	struct intel_guc_log log;
> +	struct intel_guc_ct ct;
> +
> +	/* Log snapshot if GuC errors during load */
> +	struct drm_i915_gem_object *load_err_log;
> +
> +	/* intel_guc_recv interrupt related state */
> +	bool interrupts_enabled;
> +
> +	struct i915_vma *ads_vma;
> +	struct i915_vma *stage_desc_pool;
> +	void *stage_desc_pool_vaddr;
> +	struct ida stage_ids;
> +
> +	struct i915_guc_client *execbuf_client;
> +
> +	DECLARE_BITMAP(doorbell_bitmap, GUC_NUM_DOORBELLS);
> +	uint32_t db_cacheline;		/* Cyclic counter mod pagesize	*/
> +
> +	/* GuC's FW specific registers used in MMIO send */
> +	struct {
> +		u32 base;
> +		unsigned int count;
> +		enum forcewake_domains fw_domains;
> +	} send_regs;
> +
> +	/* To serialize the intel_guc_send actions */
> +	struct mutex send_mutex;
> +
> +	/* GuC's FW specific send function */
> +	int (*send)(struct intel_guc *guc, const u32 *data, u32 len);
> +
> +	/* GuC's FW specific notify function */
> +	void (*notify)(struct intel_guc *guc);
> +};
> +
> +static
> +inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
> +{
> +	return guc->send(guc, action, len);
> +}
> +
> +static inline void intel_guc_notify(struct intel_guc *guc)
> +{
> +	guc->notify(guc);
> +}
> +
> +static inline u32 guc_ggtt_offset(struct i915_vma *vma)
> +{
> +	u32 offset = i915_ggtt_offset(vma);
> +
> +	GEM_BUG_ON(offset < GUC_WOPCM_TOP);
> +	GEM_BUG_ON(range_overflows_t(u64, offset, vma->size, GUC_GGTT_TOP));
> +
> +	return offset;
> +}
> +
> +void intel_guc_init_early(struct intel_guc *guc);
> +void intel_guc_init_send_regs(struct intel_guc *guc);
> +int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
> +int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
> +int intel_guc_sample_forcewake(struct intel_guc *guc);
> +int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
> +int intel_guc_suspend(struct drm_i915_private *dev_priv);
> +int intel_guc_resume(struct drm_i915_private *dev_priv);
> +struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
> +
/* intel_guc_loader.c */ was dropped.
> +int intel_guc_select_fw(struct intel_guc *guc);
> +int intel_guc_init_hw(struct intel_guc *guc);
> +u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
> +
> +#endif
> diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
> index 770bac4..cb9f13f 100644
> --- a/drivers/gpu/drm/i915/intel_uc.c
> +++ b/drivers/gpu/drm/i915/intel_uc.c
> @@ -82,25 +82,9 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv)
>   		i915_modparams.enable_guc_submission = HAS_GUC_SCHED(dev_priv);
>   }
>   
> -static void gen8_guc_raise_irq(struct intel_guc *guc)
> -{
> -	struct drm_i915_private *dev_priv = guc_to_i915(guc);
> -
> -	I915_WRITE(GUC_SEND_INTERRUPT, GUC_SEND_TRIGGER);
> -}
> -
> -static void guc_init_early(struct intel_guc *guc)
> -{
> -	intel_guc_ct_init_early(&guc->ct);
> -
> -	mutex_init(&guc->send_mutex);
> -	guc->send = intel_guc_send_nop;
> -	guc->notify = gen8_guc_raise_irq;
> -}
> -
>   void intel_uc_init_early(struct drm_i915_private *dev_priv)
>   {
> -	guc_init_early(&dev_priv->guc);
> +	intel_guc_init_early(&dev_priv->guc);
>   }
>   
>   void intel_uc_init_fw(struct drm_i915_private *dev_priv)
> @@ -115,32 +99,6 @@ void intel_uc_fini_fw(struct drm_i915_private *dev_priv)
>   	intel_uc_fw_fini(&dev_priv->huc.fw);
>   }
>   
> -static inline i915_reg_t guc_send_reg(struct intel_guc *guc, u32 i)
> -{
> -	GEM_BUG_ON(!guc->send_regs.base);
> -	GEM_BUG_ON(!guc->send_regs.count);
> -	GEM_BUG_ON(i >= guc->send_regs.count);
> -
> -	return _MMIO(guc->send_regs.base + 4 * i);
> -}
> -
> -static void guc_init_send_regs(struct intel_guc *guc)
> -{
> -	struct drm_i915_private *dev_priv = guc_to_i915(guc);
> -	enum forcewake_domains fw_domains = 0;
> -	unsigned int i;
> -
> -	guc->send_regs.base = i915_mmio_reg_offset(SOFT_SCRATCH(0));
> -	guc->send_regs.count = SOFT_SCRATCH_COUNT - 1;
> -
> -	for (i = 0; i < guc->send_regs.count; i++) {
> -		fw_domains |= intel_uncore_forcewake_for_reg(dev_priv,
> -					guc_send_reg(guc, i),
> -					FW_REG_READ | FW_REG_WRITE);
> -	}
> -	guc->send_regs.fw_domains = fw_domains;
> -}
> -
>   /**
>    * intel_uc_init_mmio - setup uC MMIO access
>    *
> @@ -151,7 +109,7 @@ static void guc_init_send_regs(struct intel_guc *guc)
>    */
>   void intel_uc_init_mmio(struct drm_i915_private *dev_priv)
>   {
> -	guc_init_send_regs(&dev_priv->guc);
> +	intel_guc_init_send_regs(&dev_priv->guc);
>   }
>   
>   static void guc_capture_load_err_log(struct intel_guc *guc)
> @@ -192,27 +150,6 @@ static void guc_disable_communication(struct intel_guc *guc)
>   	guc->send = intel_guc_send_nop;
>   }
>   
> -/**
> - * intel_guc_auth_huc() - Send action to GuC to authenticate HuC ucode
> - * @guc: intel_guc structure
> - * @rsa_offset: rsa offset w.r.t ggtt base of huc vma
> - *
> - * Triggers a HuC firmware authentication request to the GuC via intel_guc_send
> - * INTEL_GUC_ACTION_AUTHENTICATE_HUC interface. This function is invoked by
> - * intel_huc_auth().
> - *
> - * Return:	non-zero code on error
> - */
> -int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset)
> -{
> -	u32 action[] = {
> -		INTEL_GUC_ACTION_AUTHENTICATE_HUC,
> -		rsa_offset
> -	};
> -
> -	return intel_guc_send(guc, action, ARRAY_SIZE(action));
> -}
> -
>   int intel_uc_init_hw(struct drm_i915_private *dev_priv)
>   {
>   	struct intel_guc *guc = &dev_priv->guc;
> @@ -344,82 +281,3 @@ void intel_uc_fini_hw(struct drm_i915_private *dev_priv)
>   
>   	i915_ggtt_disable_guc(dev_priv);
>   }
> -
> -int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len)
> -{
> -	WARN(1, "Unexpected send: action=%#x\n", *action);
> -	return -ENODEV;
> -}
> -
> -/*
> - * This function implements the MMIO based host to GuC interface.
> - */
> -int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len)
> -{
> -	struct drm_i915_private *dev_priv = guc_to_i915(guc);
> -	u32 status;
> -	int i;
> -	int ret;
> -
> -	GEM_BUG_ON(!len);
> -	GEM_BUG_ON(len > guc->send_regs.count);
> -
> -	/* If CT is available, we expect to use MMIO only during init/fini */
> -	GEM_BUG_ON(HAS_GUC_CT(dev_priv) &&
> -		*action != INTEL_GUC_ACTION_REGISTER_COMMAND_TRANSPORT_BUFFER &&
> -		*action != INTEL_GUC_ACTION_DEREGISTER_COMMAND_TRANSPORT_BUFFER);
> -
> -	mutex_lock(&guc->send_mutex);
> -	intel_uncore_forcewake_get(dev_priv, guc->send_regs.fw_domains);
> -
> -	for (i = 0; i < len; i++)
> -		I915_WRITE(guc_send_reg(guc, i), action[i]);
> -
> -	POSTING_READ(guc_send_reg(guc, i - 1));
> -
> -	intel_guc_notify(guc);
> -
> -	/*
> -	 * No GuC command should ever take longer than 10ms.
> -	 * Fast commands should still complete in 10us.
> -	 */
> -	ret = __intel_wait_for_register_fw(dev_priv,
> -					   guc_send_reg(guc, 0),
> -					   INTEL_GUC_RECV_MASK,
> -					   INTEL_GUC_RECV_MASK,
> -					   10, 10, &status);
> -	if (status != INTEL_GUC_STATUS_SUCCESS) {
> -		/*
> -		 * Either the GuC explicitly returned an error (which
> -		 * we convert to -EIO here) or no response at all was
> -		 * received within the timeout limit (-ETIMEDOUT)
> -		 */
> -		if (ret != -ETIMEDOUT)
> -			ret = -EIO;
> -
> -		DRM_WARN("INTEL_GUC_SEND: Action 0x%X failed;"
> -			 " ret=%d status=0x%08X response=0x%08X\n",
> -			 action[0], ret, status, I915_READ(SOFT_SCRATCH(15)));
> -	}
> -
> -	intel_uncore_forcewake_put(dev_priv, guc->send_regs.fw_domains);
> -	mutex_unlock(&guc->send_mutex);
> -
> -	return ret;
> -}
> -
> -int intel_guc_sample_forcewake(struct intel_guc *guc)
> -{
> -	struct drm_i915_private *dev_priv = guc_to_i915(guc);
> -	u32 action[2];
> -
> -	action[0] = INTEL_GUC_ACTION_SAMPLE_FORCEWAKE;
> -	/* WaRsDisableCoarsePowerGating:skl,bxt */
> -	if (!intel_enable_rc6() || NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
> -		action[1] = 0;
> -	else
> -		/* bit 0 and 1 are for Render and Media domain separately */
> -		action[1] = GUC_FORCEWAKE_RENDER | GUC_FORCEWAKE_MEDIA;
> -
> -	return intel_guc_send(guc, action, ARRAY_SIZE(action));
> -}
> diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
> index 2f741a9..e18d3bb 100644
> --- a/drivers/gpu/drm/i915/intel_uc.h
> +++ b/drivers/gpu/drm/i915/intel_uc.h
> @@ -24,54 +24,9 @@
>   #ifndef _INTEL_UC_H_
>   #define _INTEL_UC_H_
>   
> -#include "intel_uc_fw.h"
> -#include "intel_guc_fwif.h"
> -#include "i915_guc_reg.h"
> -#include "intel_ringbuffer.h"
> -#include "intel_guc_ct.h"
> -#include "intel_guc_log.h"
> -#include "i915_vma.h"
> +#include "intel_guc.h"
>   #include "intel_huc.h"
>   
> -struct intel_guc {
> -	struct intel_uc_fw fw;
> -	struct intel_guc_log log;
> -	struct intel_guc_ct ct;
> -
> -	/* Log snapshot if GuC errors during load */
> -	struct drm_i915_gem_object *load_err_log;
> -
> -	/* intel_guc_recv interrupt related state */
> -	bool interrupts_enabled;
> -
> -	struct i915_vma *ads_vma;
> -	struct i915_vma *stage_desc_pool;
> -	void *stage_desc_pool_vaddr;
> -	struct ida stage_ids;
> -
> -	struct i915_guc_client *execbuf_client;
> -
> -	DECLARE_BITMAP(doorbell_bitmap, GUC_NUM_DOORBELLS);
> -	uint32_t db_cacheline;		/* Cyclic counter mod pagesize	*/
> -
> -	/* GuC's FW specific registers used in MMIO send */
> -	struct {
> -		u32 base;
> -		unsigned int count;
> -		enum forcewake_domains fw_domains;
> -	} send_regs;
> -
> -	/* To serialize the intel_guc_send actions */
> -	struct mutex send_mutex;
> -
> -	/* GuC's FW specific send function */
> -	int (*send)(struct intel_guc *guc, const u32 *data, u32 len);
> -
> -	/* GuC's FW specific notify function */
> -	void (*notify)(struct intel_guc *guc);
> -};
> -
> -/* intel_uc.c */
>   void intel_uc_sanitize_options(struct drm_i915_private *dev_priv);
>   void intel_uc_init_early(struct drm_i915_private *dev_priv);
>   void intel_uc_init_mmio(struct drm_i915_private *dev_priv);
> @@ -79,36 +34,5 @@ void intel_uc_init_fw(struct drm_i915_private *dev_priv);
>   void intel_uc_fini_fw(struct drm_i915_private *dev_priv);
>   int intel_uc_init_hw(struct drm_i915_private *dev_priv);
>   void intel_uc_fini_hw(struct drm_i915_private *dev_priv);
> -int intel_guc_sample_forcewake(struct intel_guc *guc);
> -int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
> -int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
> -int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
> -
> -static inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
> -{
> -	return guc->send(guc, action, len);
> -}
> -
> -static inline void intel_guc_notify(struct intel_guc *guc)
> -{
> -	guc->notify(guc);
> -}
> -
> -/* intel_guc_loader.c */
> -int intel_guc_select_fw(struct intel_guc *guc);
> -int intel_guc_init_hw(struct intel_guc *guc);
> -int intel_guc_suspend(struct drm_i915_private *dev_priv);
> -int intel_guc_resume(struct drm_i915_private *dev_priv);
> -u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
> -
> -struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
> -
> -static inline u32 guc_ggtt_offset(struct i915_vma *vma)
> -{
> -	u32 offset = i915_ggtt_offset(vma);
> -	GEM_BUG_ON(offset < GUC_WOPCM_TOP);
> -	GEM_BUG_ON(range_overflows_t(u64, offset, vma->size, GUC_GGTT_TOP));
> -	return offset;
> -}
>   
>   #endif

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Re: [PATCH v5 3/5] drm/i915/guc: Move GuC core definitions into dedicated files

[Joonas Lahtinen]

On Wed, 2017-10-04 at 18:13 +0000, Michal Wajdeczko wrote:
> Move GuC core definitions into dedicated files as we want to
> keep GuC specific code in separated files.
> 
> v2: move all functions in single patch (Joonas)
>     fix old checkpatch issues (Sagar)
> 
> v3: rebased
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> #1

<SNIP>

> +static
> +inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)

Split this at the correct boundary between return type and function
name. Then this is;

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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[PATCH v5 4/5] drm/i915/uc: Fix includes order

[Michal Wajdeczko]

Fix includes order and make sure we only include required headers.

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_uc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index cb9f13f..7b938e8 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -22,10 +22,9 @@
  *
  */
 
-#include "i915_drv.h"
 #include "intel_uc.h"
+#include "i915_drv.h"
 #include "i915_guc_submission.h"
-#include <linux/firmware.h>
 
 /* Reset GuC providing us with fresh state for both GuC and HuC.
  */
-- 
2.7.4

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Re: [PATCH v5 4/5] drm/i915/uc: Fix includes order

[Joonas Lahtinen]

On Wed, 2017-10-04 at 18:13 +0000, Michal Wajdeczko wrote:
> Fix includes order and make sure we only include required headers.
> 
> Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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[PATCH v5 5/5] drm/i915/uc: Unify initialization of the uC firmware helper

[Michal Wajdeczko]

Unify initialization of the uC firmware helper as we want to
maximize code reuse.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_guc_loader.c | 5 +----
 drivers/gpu/drm/i915/intel_huc.c        | 5 +----
 drivers/gpu/drm/i915/intel_uc_fw.h      | 9 +++++++++
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index c9e25be..c7a800a 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -386,10 +386,7 @@ int intel_guc_select_fw(struct intel_guc *guc)
 {
 	struct drm_i915_private *dev_priv = guc_to_i915(guc);
 
-	guc->fw.path = NULL;
-	guc->fw.fetch_status = INTEL_UC_FIRMWARE_NONE;
-	guc->fw.load_status = INTEL_UC_FIRMWARE_NONE;
-	guc->fw.type = INTEL_UC_FW_TYPE_GUC;
+	intel_uc_fw_init(&guc->fw, INTEL_UC_FW_TYPE_GUC);
 
 	if (i915_modparams.guc_firmware_path) {
 		guc->fw.path = i915_modparams.guc_firmware_path;
diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
index 8b4b535..3f796fe 100644
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ b/drivers/gpu/drm/i915/intel_huc.c
@@ -150,10 +150,7 @@ void intel_huc_select_fw(struct intel_huc *huc)
 {
 	struct drm_i915_private *dev_priv = huc_to_i915(huc);
 
-	huc->fw.path = NULL;
-	huc->fw.fetch_status = INTEL_UC_FIRMWARE_NONE;
-	huc->fw.load_status = INTEL_UC_FIRMWARE_NONE;
-	huc->fw.type = INTEL_UC_FW_TYPE_HUC;
+	intel_uc_fw_init(&huc->fw, INTEL_UC_FW_TYPE_HUC);
 
 	if (i915_modparams.huc_firmware_path) {
 		huc->fw.path = i915_modparams.huc_firmware_path;
diff --git a/drivers/gpu/drm/i915/intel_uc_fw.h b/drivers/gpu/drm/i915/intel_uc_fw.h
index 849b2ce..fcaf597 100644
--- a/drivers/gpu/drm/i915/intel_uc_fw.h
+++ b/drivers/gpu/drm/i915/intel_uc_fw.h
@@ -91,6 +91,15 @@ static inline const char *intel_uc_fw_type_repr(enum intel_uc_fw_type type)
 	return "uC";
 }
 
+static inline
+void intel_uc_fw_init(struct intel_uc_fw *uc_fw, enum intel_uc_fw_type type)
+{
+	uc_fw->path = NULL;
+	uc_fw->fetch_status = INTEL_UC_FIRMWARE_NONE;
+	uc_fw->load_status = INTEL_UC_FIRMWARE_NONE;
+	uc_fw->type = type;
+}
+
 void intel_uc_fw_fetch(struct drm_i915_private *dev_priv,
 		       struct intel_uc_fw *uc_fw);
 void intel_uc_fw_fini(struct intel_uc_fw *uc_fw);
-- 
2.7.4

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Re: [PATCH v5 5/5] drm/i915/uc: Unify initialization of the uC firmware helper

[Joonas Lahtinen]

On Wed, 2017-10-04 at 18:13 +0000, Michal Wajdeczko wrote:
> Unify initialization of the uC firmware helper as we want to
> maximize code reuse.
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>

<SNIP>

>  drivers/gpu/drm/i915/intel_guc_loader.c | 5 +----

I'm still looking to get the guc_loader.c file axed, or a more clean
code island to be formed in there. Not related to this move itself.

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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✓ Fi.CI.BAT: success for drm/i915: Guc code reorg cont'd

[Patchwork]

== Series Details ==

Series: drm/i915: Guc code reorg cont'd
URL   : https://patchwork.freedesktop.org/series/31401/
State : success

== Summary ==

Series 31401v1 drm/i915: Guc code reorg cont'd
https://patchwork.freedesktop.org/api/1.0/series/31401/revisions/1/mbox/

Test kms_pipe_crc_basic:
        Subgroup suspend-read-crc-pipe-b:
                dmesg-warn -> PASS       (fi-byt-j1900) fdo#101705

fdo#101705 https://bugs.freedesktop.org/show_bug.cgi?id=101705

fi-bdw-5557u     total:289  pass:268  dwarn:0   dfail:0   fail:0   skip:21  time:460s
fi-bdw-gvtdvm    total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:472s
fi-blb-e6850     total:289  pass:224  dwarn:1   dfail:0   fail:0   skip:64  time:394s
fi-bsw-n3050     total:289  pass:243  dwarn:0   dfail:0   fail:0   skip:46  time:565s
fi-bwr-2160      total:289  pass:184  dwarn:0   dfail:0   fail:0   skip:105 time:287s
fi-bxt-dsi       total:289  pass:259  dwarn:0   dfail:0   fail:0   skip:30  time:527s
fi-bxt-j4205     total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:541s
fi-byt-j1900     total:289  pass:255  dwarn:0   dfail:0   fail:0   skip:34  time:544s
fi-byt-n2820     total:289  pass:250  dwarn:1   dfail:0   fail:0   skip:38  time:524s
fi-cfl-s         total:289  pass:256  dwarn:1   dfail:0   fail:0   skip:32  time:566s
fi-cnl-y         total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:614s
fi-elk-e7500     total:289  pass:230  dwarn:0   dfail:0   fail:0   skip:59  time:439s
fi-glk-1         total:289  pass:261  dwarn:0   dfail:0   fail:0   skip:28  time:596s
fi-hsw-4770      total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:435s
fi-hsw-4770r     total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:419s
fi-ilk-650       total:289  pass:229  dwarn:0   dfail:0   fail:0   skip:60  time:463s
fi-ivb-3520m     total:289  pass:261  dwarn:0   dfail:0   fail:0   skip:28  time:508s
fi-ivb-3770      total:289  pass:261  dwarn:0   dfail:0   fail:0   skip:28  time:476s
fi-kbl-7500u     total:289  pass:264  dwarn:1   dfail:0   fail:0   skip:24  time:504s
fi-kbl-7560u     total:289  pass:270  dwarn:0   dfail:0   fail:0   skip:19  time:581s
fi-kbl-7567u     total:289  pass:265  dwarn:4   dfail:0   fail:0   skip:20  time:493s
fi-kbl-r         total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:590s
fi-pnv-d510      total:289  pass:223  dwarn:1   dfail:0   fail:0   skip:65  time:659s
fi-skl-6260u     total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:483s
fi-skl-6700hq    total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:614s
fi-skl-6700k     total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:540s
fi-skl-6770hq    total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:508s
fi-skl-gvtdvm    total:289  pass:266  dwarn:0   dfail:0   fail:0   skip:23  time:483s
fi-snb-2520m     total:289  pass:251  dwarn:0   dfail:0   fail:0   skip:38  time:585s
fi-snb-2600      total:289  pass:250  dwarn:0   dfail:0   fail:0   skip:39  time:440s

ce6163933673902f8cabd7111c04766b0fcd6e3d drm-tip: 2017y-10m-04d-16h-49m-44s UTC integration manifest
408e6e76dd5f drm/i915/uc: Unify initialization of the uC firmware helper
ed06cc91db00 drm/i915/uc: Fix includes order
a09fa8b2d828 drm/i915/guc: Move GuC core definitions into dedicated files
31be4b5764b5 drm/i915/guc: Move GuC submission declarations into dedicated header
8c1687c12ce4 drm/i915/guc: Move GuC log declarations into dedicated header

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_5903/
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✓ Fi.CI.IGT: success for drm/i915: Guc code reorg cont'd

[Patchwork]

== Series Details ==

Series: drm/i915: Guc code reorg cont'd
URL   : https://patchwork.freedesktop.org/series/31401/
State : success

== Summary ==

Test perf:
        Subgroup blocking:
                fail       -> PASS       (shard-hsw) fdo#102252

fdo#102252 https://bugs.freedesktop.org/show_bug.cgi?id=102252

shard-hsw        total:2430 pass:1331 dwarn:7   dfail:0   fail:8   skip:1084 time:10232s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_5903/shards.html
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