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authorNick Terrell <terrelln@fb.com>2022-12-13 16:21:55 -0800
committerNick Terrell <terrelln@fb.com>2022-12-13 16:21:55 -0800
commit4f2c0a4acffbec01079c28f839422e64ddeff004 (patch)
tree06ada4a8a6d94a94c93944806041b8c994cebfc5 /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
parent88a309465b3f05a100c3b81966982c0f9f5d23a6 (diff)
parent830b3c68c1fb1e9176028d02ef86f3cf76aa2476 (diff)
Merge branch 'main' into zstd-linus
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c36
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 645950a653a0..01cb89ffbd56 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -150,7 +150,7 @@ void amdgpu_gart_table_vram_free(struct amdgpu_device *adev)
* replaces them with the dummy page (all asics).
* Returns 0 for success, -EINVAL for failure.
*/
-int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
+void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
int pages)
{
unsigned t;
@@ -161,13 +161,11 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
uint64_t flags = 0;
int idx;
- if (!adev->gart.ready) {
- WARN(1, "trying to unbind memory from uninitialized GART !\n");
- return -EINVAL;
- }
+ if (!adev->gart.ptr)
+ return;
if (!drm_dev_enter(adev_to_drm(adev), &idx))
- return 0;
+ return;
t = offset / AMDGPU_GPU_PAGE_SIZE;
p = t / AMDGPU_GPU_PAGES_IN_CPU_PAGE;
@@ -188,7 +186,6 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0);
drm_dev_exit(idx);
- return 0;
}
/**
@@ -204,7 +201,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
* Map the dma_addresses into GART entries (all asics).
* Returns 0 for success, -EINVAL for failure.
*/
-int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
+void amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
int pages, dma_addr_t *dma_addr, uint64_t flags,
void *dst)
{
@@ -212,13 +209,8 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
unsigned i, j, t;
int idx;
- if (!adev->gart.ready) {
- WARN(1, "trying to bind memory to uninitialized GART !\n");
- return -EINVAL;
- }
-
if (!drm_dev_enter(adev_to_drm(adev), &idx))
- return 0;
+ return;
t = offset / AMDGPU_GPU_PAGE_SIZE;
@@ -230,7 +222,6 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
}
}
drm_dev_exit(idx);
- return 0;
}
/**
@@ -246,20 +237,14 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
* (all asics).
* Returns 0 for success, -EINVAL for failure.
*/
-int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
+void amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
int pages, dma_addr_t *dma_addr,
uint64_t flags)
{
- if (!adev->gart.ready) {
- WARN(1, "trying to bind memory to uninitialized GART !\n");
- return -EINVAL;
- }
-
if (!adev->gart.ptr)
- return 0;
+ return;
- return amdgpu_gart_map(adev, offset, pages, dma_addr, flags,
- adev->gart.ptr);
+ amdgpu_gart_map(adev, offset, pages, dma_addr, flags, adev->gart.ptr);
}
/**
@@ -274,6 +259,9 @@ void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev)
{
int i;
+ if (!adev->gart.ptr)
+ return;
+
mb();
amdgpu_device_flush_hdp(adev, NULL);
for (i = 0; i < adev->num_vmhubs; i++)