From: Christian König Date: Wed, 5 Dec 2018 13:24:21 +0000 (+0100) Subject: drm/amdgpu: free up the first paging queue v2 X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=4f8bc72fbf10f2dc8bca74d5da08b3a981b2e5cd;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu: free up the first paging queue v2 We need the first paging queue to handle page faults. v2: handle any number of SDMA instances gracefully Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 756f3c60ae6a..1430d1cbc406 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2265,8 +2265,8 @@ static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = { static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev) { adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs; - if (adev->sdma.has_page_queue) - adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page; + if (adev->sdma.has_page_queue && adev->sdma.num_instances > 1) + adev->mman.buffer_funcs_ring = &adev->sdma.instance[1].page; else adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; } @@ -2285,15 +2285,21 @@ static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev) unsigned i; adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs; - for (i = 0; i < adev->sdma.num_instances; i++) { - if (adev->sdma.has_page_queue) + if (adev->sdma.has_page_queue && adev->sdma.num_instances > 1) { + for (i = 1; i < adev->sdma.num_instances; i++) { sched = &adev->sdma.instance[i].page.sched; - else + adev->vm_manager.vm_pte_rqs[i - 1] = + &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL]; + } + adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances - 1; + } else { + for (i = 0; i < adev->sdma.num_instances; i++) { sched = &adev->sdma.instance[i].ring.sched; - adev->vm_manager.vm_pte_rqs[i] = - &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL]; + adev->vm_manager.vm_pte_rqs[i] = + &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL]; + } + adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances; } - adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances; } const struct amdgpu_ip_block_version sdma_v4_0_ip_block = {