diff options
| author | Nirmoy Das <nirmoy.das@amd.com> | 2021-05-28 16:35:27 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-01 22:55:38 -0400 |
| commit | 19a1d9350be632ac2d82573c4497318179c22af5 (patch) | |
| tree | 0b736ba3c868b0eae99325a03d62493d541b288e /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | |
| parent | c7b9aa7a9220538d1a99c1c6f8d00b9b5e51b0f2 (diff) | |
drm/amdgpu: flush gart changes after all BO recovery
Don't flush gart changes after recovering each BO instead
do it after recovering all the BOs. Flishing gart also needed
for amdgpu_ttm_alloc_gart().
v4: use containerof to retrieve adev struct.
v3: rename amdgpu_gart_tlb_flush() -> amdgpu_gart_invalidate_tlb().
v2: abstract out gart tlb flushing logic to amdgpu_gart.c
Signed-off-by: Nirmoy Das <nirmoy.das@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/amd/amdgpu/amdgpu_gart.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 5562b5c90c03..35cc8009ac7a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -312,8 +312,6 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, int pages, struct page **pagelist, dma_addr_t *dma_addr, uint64_t flags) { - int r, i; - if (!adev->gart.ready) { WARN(1, "trying to bind memory to uninitialized GART !\n"); return -EINVAL; @@ -322,16 +320,26 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, if (!adev->gart.ptr) return 0; - r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags, - adev->gart.ptr); - if (r) - return r; + return amdgpu_gart_map(adev, offset, pages, dma_addr, flags, + adev->gart.ptr); +} + +/** + * amdgpu_gart_invalidate_tlb - invalidate gart TLB + * + * @adev: amdgpu device driver pointer + * + * Invalidate gart TLB which can be use as a way to flush gart changes + * + */ +void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev) +{ + int i; mb(); amdgpu_asic_flush_hdp(adev, NULL); for (i = 0; i < adev->num_vmhubs; i++) amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0); - return 0; } /** |