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-rw-r--r--intel/intel_bufmgr_gem.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index 0cfeb988..d8623295 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -156,6 +156,7 @@ struct _drm_intel_bo_gem {
void *mem_virtual;
/** GTT virtual address for the buffer, saved across map/unmap cycles */
void *gtt_virtual;
+ int map_count;
/** BO cache list */
drmMMListHead head;
@@ -879,11 +880,6 @@ drm_intel_gem_bo_free(drm_intel_bo *bo)
struct drm_gem_close close;
int ret;
- if (bo_gem->mem_virtual)
- munmap(bo_gem->mem_virtual, bo_gem->bo.size);
- if (bo_gem->gtt_virtual)
- munmap(bo_gem->gtt_virtual, bo_gem->bo.size);
-
/* Close this object */
memset(&close, 0, sizeof(close));
close.handle = bo_gem->gem_handle;
@@ -1017,6 +1013,7 @@ static int drm_intel_gem_bo_map(drm_intel_bo *bo, int write_enable)
struct drm_i915_gem_mmap mmap_arg;
DBG("bo_map: %d (%s)\n", bo_gem->gem_handle, bo_gem->name);
+ assert(bo_gem->map_count == 0);
memset(&mmap_arg, 0, sizeof(mmap_arg));
mmap_arg.handle = bo_gem->gem_handle;
@@ -1038,6 +1035,7 @@ static int drm_intel_gem_bo_map(drm_intel_bo *bo, int write_enable)
DBG("bo_map: %d (%s) -> %p\n", bo_gem->gem_handle, bo_gem->name,
bo_gem->mem_virtual);
bo->virtual = bo_gem->mem_virtual;
+ bo_gem->map_count++;
set_domain.handle = bo_gem->gem_handle;
set_domain.read_domains = I915_GEM_DOMAIN_CPU;
@@ -1077,6 +1075,7 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo)
DBG("bo_map_gtt: mmap %d (%s)\n", bo_gem->gem_handle,
bo_gem->name);
+ assert(bo_gem->map_count == 0);
memset(&mmap_arg, 0, sizeof(mmap_arg));
mmap_arg.handle = bo_gem->gem_handle;
@@ -1112,6 +1111,7 @@ int drm_intel_gem_bo_map_gtt(drm_intel_bo *bo)
}
bo->virtual = bo_gem->gtt_virtual;
+ bo_gem->map_count++;
DBG("bo_map_gtt: %d (%s) -> %p\n", bo_gem->gem_handle, bo_gem->name,
bo_gem->gtt_virtual);
@@ -1161,7 +1161,22 @@ static int drm_intel_gem_bo_unmap(drm_intel_bo *bo)
bo_gem->mapped_cpu_write = false;
}
- bo->virtual = NULL;
+ /* We need to unmap after every innovation as we cannot track
+ * an open vma for every bo as that will exhaasut the system
+ * limits and cause later failures.
+ */
+ if (--bo_gem->map_count == 0) {
+ if (bo_gem->mem_virtual) {
+ munmap(bo_gem->mem_virtual, bo_gem->bo.size);
+ bo_gem->mem_virtual = NULL;
+ }
+ if (bo_gem->gtt_virtual) {
+ munmap(bo_gem->gtt_virtual, bo_gem->bo.size);
+ bo_gem->gtt_virtual = NULL;
+ }
+
+ bo->virtual = NULL;
+ }
pthread_mutex_unlock(&bufmgr_gem->lock);
return ret;