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authorJani Nikula <jani.nikula@intel.com>2019-08-08 16:42:49 +0300
committerJani Nikula <jani.nikula@intel.com>2019-08-09 12:03:32 +0300
commitbe80bc3658e811f9880fbb73e03a1834d0a2ba0f (patch)
tree7c971ff157cb8bc811383752580f6e4332d3e871 /drivers/gpu/drm/i915/gem/i915_gem_shrinker.h
parent6401fafbec5a3363b7313669818b468a2dd79903 (diff)
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: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/b8406f72ce5bfb8863a54003b756ebae8b17c9cb.1565271681.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_shrinker.h')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_shrinker.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.h b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.h
new file mode 100644
index 000000000000..b397d7785789
--- /dev/null
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.h
@@ -0,0 +1,31 @@
+/* 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__ */