[PATCH 09/11] drm/i915: Move the eviction logic to its own file.
The eviction code is the gnarly underbelly of memory management, and is
clearer if kept separated from the normal domain management in GEM.
Signed-off-by: Chris Wilson
---
drivers/gpu/drm/i915/Makefile |1 +
drivers/gpu/drm/i915/i915_drv.h |6 +
drivers/gpu/drm/i915/i915_gem.c | 234 +-
drivers/gpu/drm/i915/i915_gem_evict.c | 263 +
4 files changed, 272 insertions(+), 232 deletions(-)
create mode 100644 drivers/gpu/drm/i915/i915_gem_evict.c
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index da78f2c..384fd45 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -8,6 +8,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
i915_suspend.o \
i915_gem.o \
i915_gem_debug.o \
+ i915_gem_evict.o \
i915_gem_tiling.o \
i915_trace_points.o \
intel_display.o \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 65cf336..b6a0bd0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -964,6 +964,7 @@ int i915_gem_init_ringbuffer(struct drm_device *dev);
void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
int i915_gem_do_init(struct drm_device *dev, unsigned long start,
unsigned long end);
+int i915_gpu_idle(struct drm_device *dev);
int i915_gem_idle(struct drm_device *dev);
uint32_t i915_add_request(struct drm_device *dev,
struct drm_file *file_priv,
@@ -989,6 +990,11 @@ int i915_gem_object_flush_write_domain(struct
drm_gem_object *obj);
void i915_gem_shrinker_init(void);
void i915_gem_shrinker_exit(void);
+/* i915_gem_evict.c */
+int i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned
alignment);
+int i915_gem_evict_everything(struct drm_device *dev);
+int i915_gem_evict_inactive(struct drm_device *dev);
+
/* i915_gem_tiling.c */
void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 1b867c4..bb7d6a9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -49,9 +49,6 @@ static int i915_gem_object_wait_rendering(struct
drm_gem_object *obj);
static int i915_gem_object_bind_to_gtt(struct drm_gem_object *obj,
unsigned alignment);
static void i915_gem_clear_fence_reg(struct drm_gem_object *obj);
-static int i915_gem_evict_something(struct drm_device *dev, int min_size,
- unsigned alignment);
-static int i915_gem_evict_from_inactive_list(struct drm_device *dev);
static int i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object
*obj,
struct drm_i915_gem_pwrite *args,
struct drm_file *file_priv);
@@ -1869,19 +1866,6 @@ i915_gem_flush(struct drm_device *dev,
flush_domains);
}
-static void
-i915_gem_flush_ring(struct drm_device *dev,
- uint32_t invalidate_domains,
- uint32_t flush_domains,
- struct intel_ring_buffer *ring)
-{
- if (flush_domains & I915_GEM_DOMAIN_CPU)
- drm_agp_chipset_flush(dev);
- ring->flush(dev, ring,
- invalidate_domains,
- flush_domains);
-}
-
/**
* Ensures that all rendering to the object has completed and the object is
* safe to unbind from the GTT or access from the CPU.
@@ -1991,53 +1975,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
return 0;
}
-static int
-i915_gem_scan_inactive_list_and_evict(struct drm_device *dev, int min_size,
- unsigned alignment, int *found)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_gem_object *obj;
- struct drm_i915_gem_object *obj_priv;
- struct drm_gem_object *best = NULL;
- struct drm_gem_object *first = NULL;
-
- /* Try to find the smallest clean object */
- list_for_each_entry(obj_priv, _priv->mm.inactive_list, list) {
- struct drm_gem_object *obj = _priv->base;
- if (obj->size >= min_size) {
- if ((!obj_priv->dirty ||
-i915_gem_object_is_purgeable(obj_priv)) &&
- (!best || obj->size < best->size)) {
- best = obj;
- if (best->size == min_size)
- break;
- }
- if (!first)
- first = obj;
- }
- }
-
- obj = best ? best : first;
-
- if (!obj) {
- *found = 0;
- return 0;
- }
-
-
[PATCH 09/11] drm/i915: Move the eviction logic to its own file.
The eviction code is the gnarly underbelly of memory management, and is
clearer if kept separated from the normal domain management in GEM.
Signed-off-by: Chris Wilson ch...@chris-wilson.co.uk
---
drivers/gpu/drm/i915/Makefile |1 +
drivers/gpu/drm/i915/i915_drv.h |6 +
drivers/gpu/drm/i915/i915_gem.c | 234 +-
drivers/gpu/drm/i915/i915_gem_evict.c | 263 +
4 files changed, 272 insertions(+), 232 deletions(-)
create mode 100644 drivers/gpu/drm/i915/i915_gem_evict.c
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index da78f2c..384fd45 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -8,6 +8,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
i915_suspend.o \
i915_gem.o \
i915_gem_debug.o \
+ i915_gem_evict.o \
i915_gem_tiling.o \
i915_trace_points.o \
intel_display.o \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 65cf336..b6a0bd0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -964,6 +964,7 @@ int i915_gem_init_ringbuffer(struct drm_device *dev);
void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
int i915_gem_do_init(struct drm_device *dev, unsigned long start,
unsigned long end);
+int i915_gpu_idle(struct drm_device *dev);
int i915_gem_idle(struct drm_device *dev);
uint32_t i915_add_request(struct drm_device *dev,
struct drm_file *file_priv,
@@ -989,6 +990,11 @@ int i915_gem_object_flush_write_domain(struct
drm_gem_object *obj);
void i915_gem_shrinker_init(void);
void i915_gem_shrinker_exit(void);
+/* i915_gem_evict.c */
+int i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned
alignment);
+int i915_gem_evict_everything(struct drm_device *dev);
+int i915_gem_evict_inactive(struct drm_device *dev);
+
/* i915_gem_tiling.c */
void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 1b867c4..bb7d6a9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -49,9 +49,6 @@ static int i915_gem_object_wait_rendering(struct
drm_gem_object *obj);
static int i915_gem_object_bind_to_gtt(struct drm_gem_object *obj,
unsigned alignment);
static void i915_gem_clear_fence_reg(struct drm_gem_object *obj);
-static int i915_gem_evict_something(struct drm_device *dev, int min_size,
- unsigned alignment);
-static int i915_gem_evict_from_inactive_list(struct drm_device *dev);
static int i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object
*obj,
struct drm_i915_gem_pwrite *args,
struct drm_file *file_priv);
@@ -1869,19 +1866,6 @@ i915_gem_flush(struct drm_device *dev,
flush_domains);
}
-static void
-i915_gem_flush_ring(struct drm_device *dev,
- uint32_t invalidate_domains,
- uint32_t flush_domains,
- struct intel_ring_buffer *ring)
-{
- if (flush_domains I915_GEM_DOMAIN_CPU)
- drm_agp_chipset_flush(dev);
- ring-flush(dev, ring,
- invalidate_domains,
- flush_domains);
-}
-
/**
* Ensures that all rendering to the object has completed and the object is
* safe to unbind from the GTT or access from the CPU.
@@ -1991,53 +1975,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
return 0;
}
-static int
-i915_gem_scan_inactive_list_and_evict(struct drm_device *dev, int min_size,
- unsigned alignment, int *found)
-{
- drm_i915_private_t *dev_priv = dev-dev_private;
- struct drm_gem_object *obj;
- struct drm_i915_gem_object *obj_priv;
- struct drm_gem_object *best = NULL;
- struct drm_gem_object *first = NULL;
-
- /* Try to find the smallest clean object */
- list_for_each_entry(obj_priv, dev_priv-mm.inactive_list, list) {
- struct drm_gem_object *obj = obj_priv-base;
- if (obj-size = min_size) {
- if ((!obj_priv-dirty ||
-i915_gem_object_is_purgeable(obj_priv))
- (!best || obj-size best-size)) {
- best = obj;
- if (best-size == min_size)
- break;
- }
- if (!first)
- first = obj;
- }
- }
-
- obj = best ? best : first;
-
- if (!obj) {
- *found = 0;
- return
