diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 64c6664b34e8..1f8161cd507f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -100,7 +100,18 @@ static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, * The first num_doorbells are used by amdgpu. * amdkfd takes whatever's left in the aperture. */ - if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) { + if (adev->enable_mes) { + /* + * With MES enabled, we only need to initialize + * the base address. The size and offset are + * not initialized as AMDGPU manages the whole + * doorbell space. + */ + *aperture_base = adev->doorbell.base; + *aperture_size = 0; + *start_offset = 0; + } else if (adev->doorbell.size > adev->doorbell.num_doorbells * + sizeof(u32)) { *aperture_base = adev->doorbell.base; *aperture_size = adev->doorbell.size; *start_offset = adev->doorbell.num_doorbells * sizeof(u32); @@ -128,7 +139,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) AMDGPU_GMC_HOLE_START), .drm_render_minor = adev_to_drm(adev)->render->index, .sdma_doorbell_idx = adev->doorbell_index.sdma_engine, - + .enable_mes = adev->enable_mes, }; /* this is going to have a few of the MSBs set that we need to |