flush_write_domain() is only used within the GEM domain managament code,
so move it to i915_gem_domain.c and drop the export.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gem/i915_gem_domain.c | 58 +++++++++++++++++++---
drivers/gpu/drm/i915/gem/i915_gem_object.c | 47 ------------------
drivers/gpu/drm/i915/gem/i915_gem_object.h | 4 --
3 files changed, 52 insertions(+), 57 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
index fcce6909f201..f0379b550dfc 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -5,6 +5,7 @@
*/
#include "display/intel_frontbuffer.h"
+#include "gt/intel_gt.h"
#include "i915_drv.h"
#include "i915_gem_clflush.h"
@@ -15,13 +16,58 @@
#include "i915_gem_lmem.h"
#include "i915_gem_mman.h"
+static bool gpu_write_needs_clflush(struct drm_i915_gem_object *obj)
+{
+ return !(obj->cache_level == I915_CACHE_NONE ||
+ obj->cache_level == I915_CACHE_WT);
+}
+
+static void
+flush_write_domain(struct drm_i915_gem_object *obj, unsigned int flush_domains)
+{
+ struct i915_vma *vma;
+
+ assert_object_held(obj);
+
+ if (!(obj->write_domain & flush_domains))
+ return;
+
+ switch (obj->write_domain) {
+ case I915_GEM_DOMAIN_GTT:
+ spin_lock(&obj->vma.lock);
+ for_each_ggtt_vma(vma, obj) {
+ if (i915_vma_unset_ggtt_write(vma))
+ intel_gt_flush_ggtt_writes(vma->vm->gt);
+ }
+ spin_unlock(&obj->vma.lock);
+
+ i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
+ break;
+
+ case I915_GEM_DOMAIN_WC:
+ wmb();
+ break;
+
+ case I915_GEM_DOMAIN_CPU:
+ i915_gem_clflush_object(obj, I915_CLFLUSH_SYNC);
+ break;
+
+ case I915_GEM_DOMAIN_RENDER:
+ if (gpu_write_needs_clflush(obj))
+ obj->cache_dirty = true;
+ break;
+ }
+
+ obj->write_domain = 0;
+}
+
static void __i915_gem_object_flush_for_display(struct drm_i915_gem_object
*obj)
{
/*
* We manually flush the CPU domain so that we can override and
* force the flush for the display, and perform it asyncrhonously.
*/
- i915_gem_object_flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
+ flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
if (obj->cache_dirty)
i915_gem_clflush_object(obj, I915_CLFLUSH_FORCE);
obj->write_domain = 0;
@@ -80,7 +126,7 @@ i915_gem_object_set_to_wc_domain(struct drm_i915_gem_object
*obj, bool write)
if (ret)
return ret;
- i915_gem_object_flush_write_domain(obj, ~I915_GEM_DOMAIN_WC);
+ flush_write_domain(obj, ~I915_GEM_DOMAIN_WC);
/* Serialise direct access to this object with the barriers for
* coherent writes from the GPU, by effectively invalidating the
@@ -141,7 +187,7 @@ i915_gem_object_set_to_gtt_domain(struct
drm_i915_gem_object *obj, bool write)
if (ret)
return ret;
- i915_gem_object_flush_write_domain(obj, ~I915_GEM_DOMAIN_GTT);
+ flush_write_domain(obj, ~I915_GEM_DOMAIN_GTT);
/* Serialise direct access to this object with the barriers for
* coherent writes from the GPU, by effectively invalidating the
@@ -451,7 +497,7 @@ i915_gem_object_set_to_cpu_domain(struct
drm_i915_gem_object *obj, bool write)
if (ret)
return ret;
- i915_gem_object_flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
+ flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
/* Flush the CPU cache if it's still invalid. */
if ((obj->read_domains & I915_GEM_DOMAIN_CPU) == 0) {
@@ -619,7 +665,7 @@ int i915_gem_object_prepare_read(struct drm_i915_gem_object
*obj,
goto out;
}
- i915_gem_object_flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
+ flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
/* If we're not in the cpu read domain, set ourself into the gtt
* read domain and manually flush cachelines (if required). This
@@ -670,7 +716,7 @@ int i915_gem_object_prepare_write(struct
drm_i915_gem_object *obj,
goto out;
}
- i915_gem_object_flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
+ flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
/* If we're not in the cpu write domain, set ourself into the
* gtt write domain and manually flush cachelines (as required).
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c
b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 00d24000b5e8..83c6ee6a509a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -25,7 +25,6 @@
#include <linux/sched/mm.h>
#include "display/intel_frontbuffer.h"
-#include "gt/intel_gt.h"
#include "i915_drv.h"
#include "i915_gem_clflush.h"
#include "i915_gem_context.h"
@@ -313,52 +312,6 @@ static void i915_gem_free_object(struct drm_gem_object
*gem_obj)
queue_work(i915->wq, &i915->mm.free_work);
}
-static bool gpu_write_needs_clflush(struct drm_i915_gem_object *obj)
-{
- return !(obj->cache_level == I915_CACHE_NONE ||
- obj->cache_level == I915_CACHE_WT);
-}
-
-void
-i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj,
- unsigned int flush_domains)
-{
- struct i915_vma *vma;
-
- assert_object_held(obj);
-
- if (!(obj->write_domain & flush_domains))
- return;
-
- switch (obj->write_domain) {
- case I915_GEM_DOMAIN_GTT:
- spin_lock(&obj->vma.lock);
- for_each_ggtt_vma(vma, obj) {
- if (i915_vma_unset_ggtt_write(vma))
- intel_gt_flush_ggtt_writes(vma->vm->gt);
- }
- spin_unlock(&obj->vma.lock);
-
- i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
- break;
-
- case I915_GEM_DOMAIN_WC:
- wmb();
- break;
-
- case I915_GEM_DOMAIN_CPU:
- i915_gem_clflush_object(obj, I915_CLFLUSH_SYNC);
- break;
-
- case I915_GEM_DOMAIN_RENDER:
- if (gpu_write_needs_clflush(obj))
- obj->cache_dirty = true;
- break;
- }
-
- obj->write_domain = 0;
-}
-
void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
enum fb_op_origin origin)
{
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h
b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index 6e28159a883d..72c699088be0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -453,10 +453,6 @@ static inline void i915_gem_object_unpin_map(struct
drm_i915_gem_object *obj)
void __i915_gem_object_release_map(struct drm_i915_gem_object *obj);
-void
-i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj,
- unsigned int flush_domains);
-
int i915_gem_object_prepare_read(struct drm_i915_gem_object *obj,
unsigned int *needs_clflush);
int i915_gem_object_prepare_write(struct drm_i915_gem_object *obj,
--
2.20.1
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