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drm/amdgpu: allow split of queues with kfd at queue granularity v4

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Previously the queue/pipe split with kfd operated with pipe
granularity. This patch allows amdgpu to take ownership of an arbitrary
set of queues.

It also consolidates the last few magic numbers in the compute
initialization process into mec_init.

v2: support for gfx9
v3: renamed AMDGPU_MAX_QUEUES to AMDGPU_MAX_COMPUTE_QUEUES
v4: fix off-by-one in num_mec checks in *_compute_queue_acquire

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andres Rodriguez
2017-02-02 00:38:22 -05:00
committed by Alex Deucher
parent 42794b27cc
commit 78c1683423
5 changed files with 211 additions and 44 deletions
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1
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
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@@ -33,6 +33,7 @@
struct pci_dev;
#define KFD_INTERFACE_VERSION 1
#define KGD_MAX_QUEUES 128
struct kfd_dev;
struct kgd_dev;