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winsys/radeon: clear the buffer cache on mmap failure and try again

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Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2015-12-09 22:45:56 +01:00
parent eb1e1af676
commit 84a38bfc29
1 changed files with 10 additions and 3 deletions
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7
src/gallium/winsys/radeon/drm/radeon_drm_bo.c
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@ -358,6 +358,12 @@ void *radeon_bo_do_map(struct radeon_bo *bo)
return NULL; return NULL;
} }
ptr = os_mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED,
bo->rws->fd, args.addr_ptr);
if (ptr == MAP_FAILED) {
/* Clear the cache and try again. */
pb_cache_release_all_buffers(&bo->rws->bo_cache);
ptr = os_mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED, ptr = os_mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED,
bo->rws->fd, args.addr_ptr); bo->rws->fd, args.addr_ptr);
if (ptr == MAP_FAILED) { if (ptr == MAP_FAILED) {
@ -365,6 +371,7 @@ void *radeon_bo_do_map(struct radeon_bo *bo)
fprintf(stderr, "radeon: mmap failed, errno: %i\n", errno); fprintf(stderr, "radeon: mmap failed, errno: %i\n", errno);
return NULL; return NULL;
} }
}
bo->ptr = ptr; bo->ptr = ptr;
bo->map_count = 1; bo->map_count = 1;
pipe_mutex_unlock(bo->map_mutex); pipe_mutex_unlock(bo->map_mutex);