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drm/radeon: use vzalloc for gart pages 

When allocating more than 2GB of GART the array of pages
gets to big for kzalloc, use vzalloc instead.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2012-10-23 15:53:17 +02:00 committed by Alex Deucher
parent 1bcb04f758
commit 59240ee3e8
1 changed files with 5 additions and 6 deletions
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11
drivers/gpu/drm/radeon/radeon_gart.c
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@ -355,14 +355,13 @@ int radeon_gart_init(struct radeon_device *rdev)
DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n", DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n",
rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages); rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages);
/* Allocate pages table */ /* Allocate pages table */
rdev->gart.pages = kzalloc(sizeof(void *) * rdev->gart.num_cpu_pages, rdev->gart.pages = vzalloc(sizeof(void *) * rdev->gart.num_cpu_pages);
GFP_KERNEL);
if (rdev->gart.pages == NULL) { if (rdev->gart.pages == NULL) {
radeon_gart_fini(rdev); radeon_gart_fini(rdev);
return -ENOMEM; return -ENOMEM;
} }
rdev->gart.pages_addr = kzalloc(sizeof(dma_addr_t) * rdev->gart.pages_addr = vzalloc(sizeof(dma_addr_t) *
rdev->gart.num_cpu_pages, GFP_KERNEL); rdev->gart.num_cpu_pages);
if (rdev->gart.pages_addr == NULL) { if (rdev->gart.pages_addr == NULL) {
radeon_gart_fini(rdev); radeon_gart_fini(rdev);
return -ENOMEM; return -ENOMEM;
@ -388,8 +387,8 @@ void radeon_gart_fini(struct radeon_device *rdev)
radeon_gart_unbind(rdev, 0, rdev->gart.num_cpu_pages); radeon_gart_unbind(rdev, 0, rdev->gart.num_cpu_pages);
} }
rdev->gart.ready = false; rdev->gart.ready = false;
kfree(rdev->gart.pages); vfree(rdev->gart.pages);
kfree(rdev->gart.pages_addr); vfree(rdev->gart.pages_addr);
rdev->gart.pages = NULL; rdev->gart.pages = NULL;
rdev->gart.pages_addr = NULL; rdev->gart.pages_addr = NULL;