diff options
| -rw-r--r-- | src/gallium/winsys/r600/drm/r600_priv.h | 2 | ||||
| -rw-r--r-- | src/gallium/winsys/r600/drm/radeon_bo.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/winsys/r600/drm/r600_priv.h b/src/gallium/winsys/r600/drm/r600_priv.h index 76a7ba9ec2..285a192e74 100644 --- a/src/gallium/winsys/r600/drm/r600_priv.h +++ b/src/gallium/winsys/r600/drm/r600_priv.h @@ -66,6 +66,8 @@ struct radeon_bo { void *data; struct list_head fencedlist; boolean shared; + int64_t last_busy; + boolean set_busy; }; struct r600_bo { diff --git a/src/gallium/winsys/r600/drm/radeon_bo.c b/src/gallium/winsys/r600/drm/radeon_bo.c index 97138f9f9e..42a23f0ab8 100644 --- a/src/gallium/winsys/r600/drm/radeon_bo.c +++ b/src/gallium/winsys/r600/drm/radeon_bo.c @@ -32,6 +32,7 @@ #include "r600_priv.h" #include "xf86drm.h" #include "radeon_drm.h" +#include "util/u_time.h" static int radeon_bo_fixed_map(struct radeon *radeon, struct radeon_bo *bo) { @@ -170,14 +171,23 @@ int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo) return ret; } +#define BO_BUSY_BACKOFF 10000 + int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain) { struct drm_radeon_gem_busy args; int ret; + int64_t now; + now = os_time_get(); if (LIST_IS_EMPTY(&bo->fencedlist) && !bo->shared) return 0; + if (bo->set_busy && (now - bo->last_busy < BO_BUSY_BACKOFF)) + return -EBUSY; + + bo->set_busy = FALSE; + memset(&args, 0, sizeof(args)); args.handle = bo->handle; args.domain = 0; @@ -190,6 +200,9 @@ int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain LIST_FOR_EACH_ENTRY_SAFE(entry, tent, &bo->fencedlist, fencedlist) { LIST_DELINIT(&entry->fencedlist); } + } else { + bo->set_busy = TRUE; + bo->last_busy = now; } *domain = args.domain; return ret; |