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path: root/drivers/gpu/drm/i915/i915_gem_evict.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_evict.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_evict.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 8f3adc7d0dc8..2ca280f9ee53 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -27,8 +27,10 @@
*/
#include <drm/drmP.h>
-#include "i915_drv.h"
#include <drm/i915_drm.h>
+
+#include "i915_drv.h"
+#include "intel_drv.h"
#include "i915_trace.h"
static bool
@@ -53,6 +55,7 @@ i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm,
struct list_head eviction_list, unwind_list;
struct i915_vma *vma;
int ret = 0;
+ int pass = 0;
trace_i915_gem_evict(dev, min_size, alignment, mappable);
@@ -119,14 +122,24 @@ none:
/* Can we unpin some objects such as idle hw contents,
* or pending flips?
*/
- ret = nonblocking ? -ENOSPC : i915_gpu_idle(dev);
- if (ret)
- return ret;
+ if (nonblocking)
+ return -ENOSPC;
/* Only idle the GPU and repeat the search once */
- i915_gem_retire_requests(dev);
- nonblocking = true;
- goto search_again;
+ if (pass++ == 0) {
+ ret = i915_gpu_idle(dev);
+ if (ret)
+ return ret;
+
+ i915_gem_retire_requests(dev);
+ goto search_again;
+ }
+
+ /* If we still have pending pageflip completions, drop
+ * back to userspace to give our workqueues time to
+ * acquire our locks and unpin the old scanouts.
+ */
+ return intel_has_pending_fb_unpin(dev) ? -EAGAIN : -ENOSPC;
found:
/* drm_mm doesn't allow any other other operations while