minigbm: unmap right before buffer destruction
Regardless of the allocator, we want to make sure any mappings
we create are eventually freed. This patch adds logic to
drv_bo_destroy to free any mappings before the GEM close
ioctl is called.
BUG=chromium:764871
TEST=gbmtest, mmap_test -g on eve
Change-Id: I8f4edb4bc01ff6e1d71a60e0309e77e9fc3840f4
Reviewed-on: https://chromium-review.googlesource.com/441916
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Joe Kniss <djmk@google.com>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
diff --git a/helpers.h b/helpers.h
index b580643..0cc1a17 100644
--- a/helpers.h
+++ b/helpers.h
@@ -14,6 +14,7 @@
int drv_dumb_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
uint32_t flags);
int drv_dumb_bo_destroy(struct bo *bo);
+int drv_map_info_destroy(struct bo *bo);
int drv_gem_bo_destroy(struct bo *bo);
int drv_prime_bo_import(struct bo *bo, struct drv_import_fd_data *data);
void *drv_dumb_bo_map(struct bo *bo, struct map_info *data, size_t plane, int prot);