Commit be80bc36 authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/i915: extract i915_gem_shrinker.h from i915_drv.h 



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
from i915_drv.h to avoid sprinkling includes all over the place; this
can be changed as a follow-up if necessary.

No functional changes.

Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b8406f72ce5bfb8863a54003b756ebae8b17c9cb.1565271681.git.jani.nikula@intel.com
parent 6401fafb

drivers/gpu/drm/i915/gem/i915_gem_shrinker.h

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: MIT */

/*

 * Copyright © 2019 Intel Corporation

 */



#ifndef __I915_GEM_SHRINKER_H__

#define __I915_GEM_SHRINKER_H__



#include <linux/bits.h>



struct drm_i915_private;

struct mutex;



/* i915_gem_shrinker.c */

unsigned long i915_gem_shrink(struct drm_i915_private *i915,

			      unsigned long target,

			      unsigned long *nr_scanned,

			      unsigned flags);

#define I915_SHRINK_UNBOUND	BIT(0)

#define I915_SHRINK_BOUND	BIT(1)

#define I915_SHRINK_ACTIVE	BIT(2)

#define I915_SHRINK_VMAPS	BIT(3)

#define I915_SHRINK_WRITEBACK	BIT(4)



unsigned long i915_gem_shrink_all(struct drm_i915_private *i915);

void i915_gem_driver_register__shrinker(struct drm_i915_private *i915);

void i915_gem_driver_unregister__shrinker(struct drm_i915_private *i915);

void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915,

				    struct mutex *mutex);



#endif /* __I915_GEM_SHRINKER_H__ */

drivers/gpu/drm/i915/i915_drv.h

+1 −17
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ 
#include "display/intel_opregion.h"



#include "gem/i915_gem_context_types.h"

#include "gem/i915_gem_shrinker.h"

#include "gem/i915_gem_stolen.h"



#include "gt/intel_lrc.h"
@@ -2436,23 +2437,6 @@ struct drm_i915_gem_object * 
i915_gem_object_create_internal(struct drm_i915_private *dev_priv,

				phys_addr_t size);



/* i915_gem_shrinker.c */

unsigned long i915_gem_shrink(struct drm_i915_private *i915,

			      unsigned long target,

			      unsigned long *nr_scanned,

			      unsigned flags);

#define I915_SHRINK_UNBOUND	BIT(0)

#define I915_SHRINK_BOUND	BIT(1)

#define I915_SHRINK_ACTIVE	BIT(2)

#define I915_SHRINK_VMAPS	BIT(3)

#define I915_SHRINK_WRITEBACK	BIT(4)



unsigned long i915_gem_shrink_all(struct drm_i915_private *i915);

void i915_gem_driver_register__shrinker(struct drm_i915_private *i915);

void i915_gem_driver_unregister__shrinker(struct drm_i915_private *i915);

void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915,

				    struct mutex *mutex);



/* i915_gem_tiling.c */

static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)

{

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