[PATCH 06/10] drm/i915: extract i915_sysfs.h from i915_drv.h

[Jani Nikula <jani.nikula@intel.com>]

It used to be handy that we only had a couple of headers, but over time
i915_drv.h has become unwieldy. Extract declarations to a separate
header file corresponding to the implementation module, clarifying the
modularity of the driver.

Ensure the new header is self-contained, and do so with minimal further
includes, using forward declarations as needed. Include the new header
only where needed, and sort the modified include directives while at it
and as needed.

No functional changes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/i915_drv.c   |  1 +
 drivers/gpu/drm/i915/i915_drv.h   |  4 ----
 drivers/gpu/drm/i915/i915_sysfs.c |  1 +
 drivers/gpu/drm/i915/i915_sysfs.h | 14 ++++++++++++++
 4 files changed, 16 insertions(+), 4 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_sysfs.h

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c0fee7446ce0..6621da4f4f18 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -70,6 +70,7 @@
 #include "i915_irq.h"
 #include "i915_perf.h"
 #include "i915_query.h"
+#include "i915_sysfs.h"
 #include "i915_trace.h"
 #include "i915_vgpu.h"
 #include "intel_csr.h"
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 32feb5d64859..b9f6c443ef7c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2502,10 +2502,6 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine,
 int i915_save_state(struct drm_i915_private *dev_priv);
 int i915_restore_state(struct drm_i915_private *dev_priv);
 
-/* i915_sysfs.c */
-void i915_setup_sysfs(struct drm_i915_private *dev_priv);
-void i915_teardown_sysfs(struct drm_i915_private *dev_priv);
-
 /* intel_device_info.c */
 static inline struct intel_device_info *
 mkwrite_device_info(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 013c80aa848e..d8a3b180c084 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -31,6 +31,7 @@
 #include <linux/sysfs.h>
 
 #include "i915_drv.h"
+#include "i915_sysfs.h"
 #include "intel_pm.h"
 #include "intel_sideband.h"
 
diff --git a/drivers/gpu/drm/i915/i915_sysfs.h b/drivers/gpu/drm/i915/i915_sysfs.h
new file mode 100644
index 000000000000..41afd4366416
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_sysfs.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef __I915_SYSFS_H__
+#define __I915_SYSFS_H__
+
+struct drm_i915_private;
+
+void i915_setup_sysfs(struct drm_i915_private *i915);
+void i915_teardown_sysfs(struct drm_i915_private *i915);
+
+#endif /* __I915_SYSFS_H__ */
-- 
2.20.1

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