Commit e3bd5365 authored by Qianfeng Rong's avatar Qianfeng Rong Committed by Alex Deucher
Browse files

drm/radeon: Use vmalloc_array and vcalloc to simplify code 



Use vcalloc() and vmalloc_array() to simplify the functions
radeon_gart_init().

vmalloc_array() is also optimized better, resulting in less instructions
being used.

Signed-off-by: default avatarQianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3856a53d

drivers/gpu/drm/radeon/radeon_gart.c

+4 −4
Original line number Diff line number Diff line
@@ -346,14 +346,14 @@ int radeon_gart_init(struct radeon_device *rdev) 
	DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n",

		 rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages);

	/* Allocate pages table */

	rdev->gart.pages = vzalloc(array_size(sizeof(void *),

				   rdev->gart.num_cpu_pages));

	rdev->gart.pages = vcalloc(rdev->gart.num_cpu_pages,

				   sizeof(void *));

	if (rdev->gart.pages == NULL) {

		radeon_gart_fini(rdev);

		return -ENOMEM;

	}

	rdev->gart.pages_entry = vmalloc(array_size(sizeof(uint64_t),

						    rdev->gart.num_gpu_pages));

	rdev->gart.pages_entry = vmalloc_array(rdev->gart.num_gpu_pages,

					       sizeof(uint64_t));

	if (rdev->gart.pages_entry == NULL) {

		radeon_gart_fini(rdev);

		return -ENOMEM;