diff options
| author | Oak Zeng <Oak.Zeng@amd.com> | 2019-08-01 14:55:45 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-15 10:57:48 -0500 |
| commit | 3ff985485b29693376bb470a40b7aba4394a189b (patch) | |
| tree | f54b01a4e7ed94d5307557aadf5611c0890a2f62 /drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | |
| parent | 675a9e38b39c4114dbcf1ed2e7f7a0e5a6a5e4b4 (diff) | |
| download | linux-3ff985485b29693376bb470a40b7aba4394a189b.tar.gz linux-3ff985485b29693376bb470a40b7aba4394a189b.tar.bz2 linux-3ff985485b29693376bb470a40b7aba4394a189b.zip | |
drm/amdgpu: Export function to flush TLB of specific vm hub
This is for kfd to reuse amdgpu TLB invalidation function.
On gfx10, kfd only needs to flush TLB on gfx hub but not
on mm hub. So export a function for KFD flush TLB only on
specific hub.
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Christian Konig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index ca32915fbecb..d935a2f29e5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -433,8 +433,8 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev) * * Flush the TLB for the requested page table (CIK). */ -static void gmc_v7_0_flush_gpu_tlb(struct amdgpu_device *adev, - uint32_t vmid, uint32_t flush_type) +static void gmc_v7_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, + uint32_t vmhub, uint32_t flush_type) { /* bits 0-15 are the VM contexts0-15 */ WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); @@ -677,7 +677,7 @@ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) WREG32(mmCHUB_CONTROL, tmp); } - gmc_v7_0_flush_gpu_tlb(adev, 0, 0); + gmc_v7_0_flush_gpu_tlb(adev, 0, 0, 0); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(adev->gmc.gart_size >> 20), (unsigned long long)table_addr); |