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drm/amdgpu: take ownership of per-pipe configuration v3

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Make amdgpu the owner of all per-pipe state of the HQDs.

This change will allow us to split the queues between kfd and amdgpu
with a queue granularity instead of pipe granularity.

This patch fixes kfd allocating an HDP_EOP region for its 3 pipes which
goes unused.

v2: support for gfx9
v3: fix gfx7 HPD intitialization

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
2017-02-01 19:08:23 -05:00
committed by Alex Deucher
parent d59095f7dd
commit 42794b27cc
7 changed files with 70 additions and 86 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -902,9 +902,9 @@ struct amdgpu_mec {
u64 hpd_eop_gpu_addr;
struct amdgpu_bo *mec_fw_obj;
u64 mec_fw_gpu_addr;
u32 num_pipe;
u32 num_mec;
u32 num_queue;
u32 num_pipe_per_mec;
u32 num_queue_per_pipe;
void *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
};