If you exceeded the size that kmalloc would return, you'd get a dmesg
warning and an error from the job submit. We can handle much larger
allocations with vmalloc, and drm_malloc_ab makes that decision.
Fixes failure in piglit's scissor-many.
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_gem.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index f9b13b54c86b..fb2b1c526646 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -536,8 +536,8 @@ vc4_cl_lookup_bos(struct drm_device *dev,
return -EINVAL;
}
- exec->bo = kcalloc(exec->bo_count, sizeof(struct drm_gem_cma_object *),
- GFP_KERNEL);
+ exec->bo = drm_calloc_large(exec->bo_count,
+ sizeof(struct drm_gem_cma_object *));
if (!exec->bo) {
DRM_ERROR("Failed to allocate validated BO pointers\n");
return -ENOMEM;
@@ -610,7 +610,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec)
* read the contents back for validation, and I think the
* bo->vaddr is uncached access.
*/
- temp = kmalloc(temp_size, GFP_KERNEL);
+ temp = drm_malloc_ab(temp_size, 1);
if (!temp) {
DRM_ERROR("Failed to allocate storage for copying "
"in bin/render CLs.\n");
@@ -677,7 +677,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec)
ret = vc4_validate_shader_recs(dev, exec);
fail:
- kfree(temp);
+ drm_free_large(temp);
return ret;
}
@@ -692,7 +692,7 @@ vc4_complete_exec(struct drm_device *dev, struct vc4_exec_info *exec)
if (exec->bo) {
for (i = 0; i < exec->bo_count; i++)
drm_gem_object_unreference(&exec->bo[i]->base);
- kfree(exec->bo);
+ drm_free_large(exec->bo);
}
while (!list_empty(&exec->unref_list)) {
--
2.8.1
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
