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drm/amdgpu: implement harvesting support for UVD 7.2 (v3)

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Properly handle cases where one or more instance of the IP
block may be harvested.

v2: make sure ip_num_rings is initialized amdgpu_queue_mgr.c
v3: rebase on Christian's UVD changes, drop unused var

Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2018-07-25 15:11:34 -05:00
parent d04cc604a6
commit f1e582ebfd
5 changed files with 89 additions and 12 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
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@@ -255,7 +255,8 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
if (adev->uvd.harvest_config & (1 << j))
continue;
r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
&adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
@@ -308,6 +309,8 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
drm_sched_entity_destroy(&adev->uvd.entity);
for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
if (adev->uvd.harvest_config & (1 << j))
continue;
kfree(adev->uvd.inst[j].saved_bo);
amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
@@ -343,6 +346,8 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
}
for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
if (adev->uvd.harvest_config & (1 << j))
continue;
if (adev->uvd.inst[j].vcpu_bo == NULL)
continue;
@@ -365,6 +370,8 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev)
int i;
for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
if (adev->uvd.harvest_config & (1 << i))
continue;
if (adev->uvd.inst[i].vcpu_bo == NULL)
return -EINVAL;
@@ -1159,6 +1166,8 @@ static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
unsigned fences = 0, i, j;
for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
if (adev->uvd.harvest_config & (1 << i))
continue;
fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);