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authorMichel Dänzer <michel.daenzer@amd.com>2014-07-17 19:01:08 +0900
committerAlex Deucher <alexander.deucher@amd.com>2014-08-05 08:53:33 -0400
commit02376d8282b88f07d0716da6155094c8760b1a13 (patch)
tree9e81e9b229f9230f2d42f8e80fdd50966eac13bc /drivers/gpu/drm/radeon/radeon_vm.c
parent77497f2735ad6e29c55475e15e9790dbfa2c2ef8 (diff)
downloadlinux-02376d8282b88f07d0716da6155094c8760b1a13.tar.bz2
drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)
v2: fix rebase onto drm-fixes Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_vm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_vm.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index 725d3669014f..f0a8cd7a83a6 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -510,7 +510,7 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
r = radeon_bo_create(rdev, RADEON_VM_PTE_COUNT * 8,
RADEON_GPU_PAGE_SIZE, true,
- RADEON_GEM_DOMAIN_VRAM, NULL, &pt);
+ RADEON_GEM_DOMAIN_VRAM, 0, NULL, &pt);
if (r)
return r;
@@ -858,6 +858,7 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
bo_va->flags &= ~RADEON_VM_PAGE_VALID;
bo_va->flags &= ~RADEON_VM_PAGE_SYSTEM;
+ bo_va->flags &= ~RADEON_VM_PAGE_SNOOPED;
if (mem) {
addr = mem->start << PAGE_SHIFT;
if (mem->mem_type != TTM_PL_SYSTEM) {
@@ -866,6 +867,9 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
}
if (mem->mem_type == TTM_PL_TT) {
bo_va->flags |= RADEON_VM_PAGE_SYSTEM;
+ if (!(bo_va->bo->flags & (RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC)))
+ bo_va->flags |= RADEON_VM_PAGE_SNOOPED;
+
} else {
addr += rdev->vm_manager.vram_base_offset;
}
@@ -1031,7 +1035,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
}
r = radeon_bo_create(rdev, pd_size, align, true,
- RADEON_GEM_DOMAIN_VRAM, NULL,
+ RADEON_GEM_DOMAIN_VRAM, 0, NULL,
&vm->page_directory);
if (r)
return r;