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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-16 03:52:52 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-16 03:52:52 +0300
commit02cfe977e813501ad0e524477eb5cd5b52860448 (patch)
treecb812876a469d4c74e0fbea1c9df73d386532496 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
parentbbe05e543bfeab1c37127f38b7e575db916fbc6c (diff)
parent47e0cd6b1dbbbff7591fe7eecc20bac5ca674351 (diff)
downloadlinux-02cfe977e813501ad0e524477eb5cd5b52860448.tar.xz
Merge tag 'drm-fixes-for-v4.14-rc1' of git://people.freedesktop.org/~airlied/linux
Pull drm AMD fixes from Dave Airlie: "Just had a single AMD fixes pull from Alex for rc1" * tag 'drm-fixes-for-v4.14-rc1' of git://people.freedesktop.org/~airlied/linux: drm/amdgpu: revert "fix deadlock of reservation between cs and gpu reset v2" drm/amdgpu: remove duplicate return statement drm/amdgpu: check memory allocation failure drm/amd/amdgpu: fix BANK_SELECT on Vega10 (v2) drm/amdgpu: inline amdgpu_ttm_do_bind again drm/amdgpu: fix amdgpu_ttm_bind drm/amdgpu: remove the GART copy hack drm/ttm:fix wrong decoding of bo_count drm/ttm: fix missing inc bo_count drm/amdgpu: set sched_hw_submission higher for KIQ (v3) drm/amdgpu: move default gart size setting into gmc modules drm/amdgpu: refine default gart size drm/amd/powerplay: ACG frequency added in PPTable drm/amdgpu: discard commands of killed processes drm/amdgpu: fix and cleanup shadow handling drm/amdgpu: add automatic per asic settings for gart_size drm/amdgpu/gfx8: fix spelling typo in mqd allocation drm/amd/powerplay: unhalt mec after loading drm/amdgpu/virtual_dce: Virtual display doesn't support disable vblank immediately drm/amdgpu: Fix huge page updates with CPU
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c46
1 files changed, 20 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b9a5a77eedaf..bd20ff018512 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -165,14 +165,6 @@ static int amdgpu_vm_validate_level(struct amdgpu_vm_pt *parent,
unsigned i;
int r;
- if (parent->bo->shadow) {
- struct amdgpu_bo *shadow = parent->bo->shadow;
-
- r = amdgpu_ttm_bind(&shadow->tbo, &shadow->tbo.mem);
- if (r)
- return r;
- }
-
if (use_cpu_for_update) {
r = amdgpu_bo_kmap(parent->bo, NULL);
if (r)
@@ -1277,7 +1269,7 @@ static void amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
/* In the case of a mixed PT the PDE must point to it*/
if (p->adev->asic_type < CHIP_VEGA10 ||
nptes != AMDGPU_VM_PTE_COUNT(p->adev) ||
- p->func == amdgpu_vm_do_copy_ptes ||
+ p->src ||
!(flags & AMDGPU_PTE_VALID)) {
dst = amdgpu_bo_gpu_offset(entry->bo);
@@ -1294,9 +1286,23 @@ static void amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
entry->addr = (dst | flags);
if (use_cpu_update) {
+ /* In case a huge page is replaced with a system
+ * memory mapping, p->pages_addr != NULL and
+ * amdgpu_vm_cpu_set_ptes would try to translate dst
+ * through amdgpu_vm_map_gart. But dst is already a
+ * GPU address (of the page table). Disable
+ * amdgpu_vm_map_gart temporarily.
+ */
+ dma_addr_t *tmp;
+
+ tmp = p->pages_addr;
+ p->pages_addr = NULL;
+
pd_addr = (unsigned long)amdgpu_bo_kptr(parent->bo);
pde = pd_addr + (entry - parent->entries) * 8;
amdgpu_vm_cpu_set_ptes(p, pde, dst, 1, 0, flags);
+
+ p->pages_addr = tmp;
} else {
if (parent->bo->shadow) {
pd_addr = amdgpu_bo_gpu_offset(parent->bo->shadow);
@@ -1610,7 +1616,6 @@ error_free:
*
* @adev: amdgpu_device pointer
* @exclusive: fence we need to sync to
- * @gtt_flags: flags as they are used for GTT
* @pages_addr: DMA addresses to use for mapping
* @vm: requested vm
* @mapping: mapped range and flags to use for the update
@@ -1624,7 +1629,6 @@ error_free:
*/
static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
struct dma_fence *exclusive,
- uint64_t gtt_flags,
dma_addr_t *pages_addr,
struct amdgpu_vm *vm,
struct amdgpu_bo_va_mapping *mapping,
@@ -1679,11 +1683,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
}
if (pages_addr) {
- if (flags == gtt_flags)
- src = adev->gart.table_addr +
- (addr >> AMDGPU_GPU_PAGE_SHIFT) * 8;
- else
- max_entries = min(max_entries, 16ull * 1024ull);
+ max_entries = min(max_entries, 16ull * 1024ull);
addr = 0;
} else if (flags & AMDGPU_PTE_VALID) {
addr += adev->vm_manager.vram_base_offset;
@@ -1728,10 +1728,10 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
struct amdgpu_vm *vm = bo_va->base.vm;
struct amdgpu_bo_va_mapping *mapping;
dma_addr_t *pages_addr = NULL;
- uint64_t gtt_flags, flags;
struct ttm_mem_reg *mem;
struct drm_mm_node *nodes;
struct dma_fence *exclusive;
+ uint64_t flags;
int r;
if (clear || !bo_va->base.bo) {
@@ -1751,15 +1751,10 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
exclusive = reservation_object_get_excl(bo->tbo.resv);
}
- if (bo) {
+ if (bo)
flags = amdgpu_ttm_tt_pte_flags(adev, bo->tbo.ttm, mem);
- gtt_flags = (amdgpu_ttm_is_bound(bo->tbo.ttm) &&
- adev == amdgpu_ttm_adev(bo->tbo.bdev)) ?
- flags : 0;
- } else {
+ else
flags = 0x0;
- gtt_flags = ~0x0;
- }
spin_lock(&vm->status_lock);
if (!list_empty(&bo_va->base.vm_status))
@@ -1767,8 +1762,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
spin_unlock(&vm->status_lock);
list_for_each_entry(mapping, &bo_va->invalids, list) {
- r = amdgpu_vm_bo_split_mapping(adev, exclusive,
- gtt_flags, pages_addr, vm,
+ r = amdgpu_vm_bo_split_mapping(adev, exclusive, pages_addr, vm,
mapping, flags, nodes,
&bo_va->last_pt_update);
if (r)