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authorFelix Kuehling <Felix.Kuehling@amd.com>2018-02-06 20:32:36 -0500
committerOded Gabbay <oded.gabbay@gmail.com>2018-02-06 20:32:36 -0500
commit155494dbbbf4d6d6512b8bc2dc6bc483e47e1c71 (patch)
treee9d8862293f1cd847373dcc2e6a22b6d48d6ae93 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
parentd8d019ccffb838bb0dd98e583b5c25ccc0bc6ece (diff)
downloadop-kernel-dev-155494dbbbf4d6d6512b8bc2dc6bc483e47e1c71.zip
op-kernel-dev-155494dbbbf4d6d6512b8bc2dc6bc483e47e1c71.tar.gz
drm/amdgpu: Update kgd2kfd_shared_resources for dGPU support
Add GPUVM size and DRM render node. Also add function to query the VMID mask to avoid hard-coding it in multiple places later. v2: cut off GPUVM size at the VA hole Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 141d11d..3ec4bad 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -30,6 +30,8 @@
const struct kgd2kfd_calls *kgd2kfd;
bool (*kgd2kfd_init_p)(unsigned int, const struct kgd2kfd_calls**);
+static const unsigned int compute_vmid_bitmap = 0xFF00;
+
int amdgpu_amdkfd_init(void)
{
int ret;
@@ -137,9 +139,13 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
int last_valid_bit;
if (adev->kfd) {
struct kgd2kfd_shared_resources gpu_resources = {
- .compute_vmid_bitmap = 0xFF00,
+ .compute_vmid_bitmap = compute_vmid_bitmap,
.num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec,
- .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe
+ .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe,
+ .gpuvm_size = min(adev->vm_manager.max_pfn
+ << AMDGPU_GPU_PAGE_SHIFT,
+ AMDGPU_VA_HOLE_START),
+ .drm_render_minor = adev->ddev->render->index
};
/* this is going to have a few of the MSBs set that we need to
@@ -359,3 +365,13 @@ uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd)
return amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
}
+
+bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
+{
+ if (adev->kfd) {
+ if ((1 << vmid) & compute_vmid_bitmap)
+ return true;
+ }
+
+ return false;
+}
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