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-rw-r--r--drivers/gpu/drm/i915/i915_drv.h8
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c102
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c28
3 files changed, 90 insertions, 48 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 455260067ff7..3e78314514a2 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1086,10 +1086,10 @@ int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void i915_gem_load(struct drm_device *dev);
int i915_gem_init_object(struct drm_gem_object *obj);
-void i915_gem_flush_ring(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- uint32_t invalidate_domains,
- uint32_t flush_domains);
+int __must_check i915_gem_flush_ring(struct drm_device *dev,
+ struct intel_ring_buffer *ring,
+ uint32_t invalidate_domains,
+ uint32_t flush_domains);
struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
size_t size);
void i915_gem_free_object(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 07b62449b9e1..2873d068eb1f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -35,18 +35,18 @@
#include <linux/swap.h>
#include <linux/pci.h>
-static void i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj);
+static __must_check int i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj);
static void i915_gem_object_flush_gtt_write_domain(struct drm_i915_gem_object *obj);
static void i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *obj);
-static int i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj,
- bool write);
-static int i915_gem_object_set_cpu_read_domain_range(struct drm_i915_gem_object *obj,
- uint64_t offset,
- uint64_t size);
+static __must_check int i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj,
+ bool write);
+static __must_check int i915_gem_object_set_cpu_read_domain_range(struct drm_i915_gem_object *obj,
+ uint64_t offset,
+ uint64_t size);
static void i915_gem_object_set_to_full_cpu_read_domain(struct drm_i915_gem_object *obj);
-static int i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
- unsigned alignment,
- bool map_and_fenceable);
+static __must_check int i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
+ unsigned alignment,
+ bool map_and_fenceable);
static void i915_gem_clear_fence_reg(struct drm_device *dev,
struct drm_i915_fence_reg *reg);
static int i915_gem_phys_pwrite(struct drm_device *dev,
@@ -2142,25 +2142,37 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
return ret;
}
-void
+int
i915_gem_flush_ring(struct drm_device *dev,
struct intel_ring_buffer *ring,
uint32_t invalidate_domains,
uint32_t flush_domains)
{
- if (ring->flush(ring, invalidate_domains, flush_domains) == 0)
- i915_gem_process_flushing_list(dev, flush_domains, ring);
+ int ret;
+
+ ret = ring->flush(ring, invalidate_domains, flush_domains);
+ if (ret)
+ return ret;
+
+ i915_gem_process_flushing_list(dev, flush_domains, ring);
+ return 0;
}
static int i915_ring_idle(struct drm_device *dev,
struct intel_ring_buffer *ring)
{
+ int ret;
+
if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list))
return 0;
- if (!list_empty(&ring->gpu_write_list))
- i915_gem_flush_ring(dev, ring,
+ if (!list_empty(&ring->gpu_write_list)) {
+ ret = i915_gem_flush_ring(dev, ring,
I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ if (ret)
+ return ret;
+ }
+
return i915_wait_request(dev,
i915_gem_next_request_seqno(dev, ring),
ring);
@@ -2370,10 +2382,13 @@ i915_gem_object_flush_fence(struct drm_i915_gem_object *obj,
int ret;
if (obj->fenced_gpu_access) {
- if (obj->base.write_domain & I915_GEM_GPU_DOMAINS)
- i915_gem_flush_ring(obj->base.dev,
- obj->last_fenced_ring,
- 0, obj->base.write_domain);
+ if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
+ ret = i915_gem_flush_ring(obj->base.dev,
+ obj->last_fenced_ring,
+ 0, obj->base.write_domain);
+ if (ret)
+ return ret;
+ }
obj->fenced_gpu_access = false;
}
@@ -2529,9 +2544,12 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
return ret;
} else if (obj->tiling_changed) {
if (obj->fenced_gpu_access) {
- if (obj->base.write_domain & I915_GEM_GPU_DOMAINS)
- i915_gem_flush_ring(obj->base.dev, obj->ring,
- 0, obj->base.write_domain);
+ if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
+ ret = i915_gem_flush_ring(obj->base.dev, obj->ring,
+ 0, obj->base.write_domain);
+ if (ret)
+ return ret;
+ }
obj->fenced_gpu_access = false;
}
@@ -2817,17 +2835,16 @@ i915_gem_clflush_object(struct drm_i915_gem_object *obj)
}
/** Flushes any GPU write domain for the object if it's dirty. */
-static void
+static int
i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj)
{
struct drm_device *dev = obj->base.dev;
if ((obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0)
- return;
+ return 0;
/* Queue the GPU write cache flushing we need. */
- i915_gem_flush_ring(dev, obj->ring, 0, obj->base.write_domain);
- BUG_ON(obj->base.write_domain);
+ return i915_gem_flush_ring(dev, obj->ring, 0, obj->base.write_domain);
}
/** Flushes the GTT write domain for the object if it's dirty. */
@@ -2894,7 +2911,10 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
if (obj->gtt_space == NULL)
return -EINVAL;
- i915_gem_object_flush_gpu_write_domain(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj);
+ if (ret)
+ return ret;
+
if (obj->pending_gpu_write || write) {
ret = i915_gem_object_wait_rendering(obj, true);
if (ret)
@@ -2939,7 +2959,10 @@ i915_gem_object_set_to_display_plane(struct drm_i915_gem_object *obj,
if (obj->gtt_space == NULL)
return -EINVAL;
- i915_gem_object_flush_gpu_write_domain(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj);
+ if (ret)
+ return ret;
+
/* Currently, we are always called from an non-interruptible context. */
if (pipelined != obj->ring) {
@@ -2964,12 +2987,17 @@ int
i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj,
bool interruptible)
{
+ int ret;
+
if (!obj->active)
return 0;
- if (obj->base.write_domain & I915_GEM_GPU_DOMAINS)
- i915_gem_flush_ring(obj->base.dev, obj->ring,
- 0, obj->base.write_domain);
+ if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
+ ret = i915_gem_flush_ring(obj->base.dev, obj->ring,
+ 0, obj->base.write_domain);
+ if (ret)
+ return ret;
+ }
return i915_gem_object_wait_rendering(obj, interruptible);
}
@@ -2986,7 +3014,10 @@ i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write)
uint32_t old_write_domain, old_read_domains;
int ret;
- i915_gem_object_flush_gpu_write_domain(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj);
+ if (ret)
+ return ret;
+
ret = i915_gem_object_wait_rendering(obj, true);
if (ret)
return ret;
@@ -3081,7 +3112,10 @@ i915_gem_object_set_cpu_read_domain_range(struct drm_i915_gem_object *obj,
if (offset == 0 && size == obj->base.size)
return i915_gem_object_set_to_cpu_domain(obj, 0);
- i915_gem_object_flush_gpu_write_domain(obj);
+ ret = i915_gem_object_flush_gpu_write_domain(obj);
+ if (ret)
+ return ret;
+
ret = i915_gem_object_wait_rendering(obj, true);
if (ret)
return ret;
@@ -3374,8 +3408,8 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
* flush earlier is beneficial.
*/
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
- i915_gem_flush_ring(dev, obj->ring,
- 0, obj->base.write_domain);
+ ret = i915_gem_flush_ring(dev, obj->ring,
+ 0, obj->base.write_domain);
} else if (obj->ring->outstanding_lazy_request ==
obj->last_rendering_seqno) {
struct drm_i915_gem_request *request;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 1b78b66dd77e..97d5fbd8ea13 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -713,14 +713,14 @@ err:
return ret;
}
-static void
+static int
i915_gem_execbuffer_flush(struct drm_device *dev,
uint32_t invalidate_domains,
uint32_t flush_domains,
uint32_t flush_rings)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- int i;
+ int i, ret;
if (flush_domains & I915_GEM_DOMAIN_CPU)
intel_gtt_chipset_flush();
@@ -730,11 +730,17 @@ i915_gem_execbuffer_flush(struct drm_device *dev,
if ((flush_domains | invalidate_domains) & I915_GEM_GPU_DOMAINS) {
for (i = 0; i < I915_NUM_RINGS; i++)
- if (flush_rings & (1 << i))
- i915_gem_flush_ring(dev, &dev_priv->ring[i],
- invalidate_domains,
- flush_domains);
+ if (flush_rings & (1 << i)) {
+ ret = i915_gem_flush_ring(dev,
+ &dev_priv->ring[i],
+ invalidate_domains,
+ flush_domains);
+ if (ret)
+ return ret;
+ }
}
+
+ return 0;
}
static int
@@ -798,10 +804,12 @@ i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring,
cd.invalidate_domains,
cd.flush_domains);
#endif
- i915_gem_execbuffer_flush(ring->dev,
- cd.invalidate_domains,
- cd.flush_domains,
- cd.flush_rings);
+ ret = i915_gem_execbuffer_flush(ring->dev,
+ cd.invalidate_domains,
+ cd.flush_domains,
+ cd.flush_rings);
+ if (ret)
+ return ret;
}
list_for_each_entry(obj, objects, exec_list) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 06:00:00 +0000