diff options
| author |   Felix Kuehling <Felix.Kuehling@amd.com> | 2020-01-17 19:54:45 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-01-27 16:46:36 -0500 |
| commit | 37c58ddf57364d1a636850bb8ba6acbe1e16195e (patch) | |
| tree | 732fdb7f2e467e406f0cc8e8dccec88372d74746 /drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | |
| parent | drm/amd/display: use odm combine for YCbCr420 timing with h_active greater than 4096 (diff) | |
| download | wireguard-linux-37c58ddf57364d1a636850bb8ba6acbe1e16195e.tar.xz wireguard-linux-37c58ddf57364d1a636850bb8ba6acbe1e16195e.zip | |
drm/amdgpu: Fix TLB invalidation request when using semaphore
Use a more meaningful variable name for the invalidation request
that is distinct from the tmp variable that gets overwritten when
acquiring the invalidation semaphore.
Fixes: 4ed8a03740d0 ("drm/amdgpu: invalidate mmhub semaphore workaround in gmc9/gmc10")
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Yong Zhao <Yong.Zhao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 0c5bf3bd640f..67318b75f5b8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -262,7 +262,8 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, { bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub); struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; - u32 tmp = gmc_v10_0_get_invalidate_req(vmid, flush_type); + u32 inv_req = gmc_v10_0_get_invalidate_req(vmid, flush_type); + u32 tmp; /* Use register 17 for GART */ const unsigned eng = 17; unsigned int i; @@ -289,7 +290,7 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n"); } - WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, tmp); + WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, inv_req); /* * Issue a dummy read to wait for the ACK register to be cleared |